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Literatur_Sokolski_Opening - compiled by Peter Markus Steiner (in German)

     

Recently ended thematic tournaments:

ChessWorld.net's thematic 264768 (ended)
1. b4 e5 2. Bb2 f6 3. e4 d5 4. f4 exf4 5. Qh5+ g6 6. Qxd5 Qxd5 7. exd5 Bxb4

ChessWorld.net's thematic 263550 (ended)
1. b4 e5 2. Bb2 f6 3. e4 d5 4. f4 exf4 5. Qh5+ g6 6. Qxd5 Qxd5 7. exd5 Bxb4

gameknot.com's thematic mt-72630-24-May-17.pgn (ended)
1. b4 e5 2. Bb2 f6 3. e4 d5 4. f4 exf4 5. Qh5+ g6 6. Qxd5 Qxd5 7. exd5 Bxb4


Dirk SCHIEFELBUSCH

of Germany

    
    
    (2017-08-01)
    (All annotations below by Fritz)
    (Games' source: Marek's 1.b4 database)
    
    
    
    
    (1) Schiefelbusch,Dirk (2105) – Kozlov,Alexander GER (2200)
    Dortmund GER, Sparkassen Open, 2012
    1.b4 a5 2.b5 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 d6 6.Nf3 0–0 7.Be2 Nbd7 8.d4 e5 
    9.Nc3 ed4 10.Nd4 Nc5 11.0–0 a4N 
       (11...Ne8 12.Bf3 f5 13.Bd5 Kh8 14.Na4 Na4 15.Qa4 Nf6 16.Ne6 Be6 
       17.Be6 Qe7 18.Bd5 Nd5 19.Bg7 Kg7 20.cd5 b6 21.Qc4 Rac8 22.Rac1 Rf7 
       23.Rfd1 Qe5 24.Rd3 Qb2 25.Qc3 Qc3 26.Rdc3 orangutanb4 (1935)–topair 
       (1750)/kurnik 2011/1–0 (52)) 
    12.Rc1 Re8 13.Bf3 Nfd7 14.Qc2 Ne5 15.Be2 a3 16.Ba1 Bg4 17.Bg4 Ng4 18.Rfd1 
    Ne5 19.Nd5 Ra4 20.Qe2 c6 ½–½
    
    
    
    (2) Schiefelbusch,Dirk (2130) – Zemella,Christian (2050)
    Dortmund op–A, 2005
    1.b4 c6 2.c4 a5 3.b5 d5 4.e3 Nf6 5.Bb2 e6 6.Nf3 Nbd7 7.Nc3 Be7 8.d4 cb5N 
    9.cd5+= ed5 
       (9...Nd5 10.Bb5 Nc3 (10...0–0 11.0–0 N7f6 12.Ne5 Nc3 13.Bc3 Nd5 
       14.Rc1 Nc3 15.Rc3 Bb4 16.Rb3 Bd6+=; 10...a4 11.Nd5 ed5 
       12.Bc3 0–0 13.Ba4 Nb6 14.Bc2 Qc7 15.Qd3 g6 16.Bb3 Bf5+=; 
       10...Qb6 11.Rb1 0–0 12.0–0 N7f6 13.Ne5 Nc3 14.Bc3 Nd5 15.Bd2 Qd8 
       16.Bd3 Bd6+=) 11.Bc3 0–0 12.0–0 Nf6 13.Ne5 Nd5 14.Rc1 a4 
       15.e4 Nc3 16.Rc3 f6+=) 
    10.Bb5 0–0 11.0–0 Nb6 12.Ne5 Nfd7 13.Nd3 
       (13.Rc1 Ne5 14.de5 Be6 15.Qc2 Rc8 16.Bd3 h6=) 
    13...Nf6 
       (13...Bd6 14.Qb3 Nf6 15.Rfc1 Bf5 16.Ne5 Ne4=) 
    14.Ne5 
       (14.Qb3 Bf5= 15.Nc5 Qc7 16.Rac1 Bd6=; 
       14.Rc1 Bg4 15.Qc2 Bf5 16.Qe2 Bd6=) 
    Nfd7 ½–½
    
    
    
    (3) Schiefelbusch,Dirk (2130) – Hombrecher,Kai (1915)
    It (open) Dortmund (Germany), 2005
    1.b4 c6 2.c4 Qb6 3.Qb3 Nf6 4.Bb2 
       (4.c5 Qc7=) 
    4...e6 
       (4...d6 5.e3=) 
    5.c5 
       (5.Bf6 gf6 6.c5 Qc7=) 
    5...Qd8 6.d4 d5 7.Nc3 
       (7.Nf3 Be7=) 
    7...Nbd7 
       (7...b6 8.Nf3=) 
    8.Nf3 g6 
       (8...b6 9.e3=) 
    9.e3+= Bg7 10.Be2 Qc7 11.0–0 0–0 12.b5 e5 13.a4 e4 
       (13...Re8 14.Rfe1+=) 
    14.Nd2 Ne8 
       (14...Nb8 15.a5+=) 
    15.a5 Qd8 
       (15...Nef6 16.Qc2+=) 
    16.a6+/– Kh8 
       (16...Nc7 17.ab7 Bb7 18.b6 ab6 19.cb6+=) 
    17.Rfb1 
       (17.Ra3 Ndf6+/–) 
    17...ba6 
       (17...Nc7 18.ab7 Bb7 19.Ra3+/–) 
    18.bc6 Rb8?? 
       (better is 18...Ndf6+/–) 
    19.Qd5+– 
       (19.cd7?! Rb3 20.dc8Q Qc8 21.Nb3 Nc7+–) 
    19...Nc7 20.Qd6 
       (20.cd7?! Nd5 21.dc8Q Rc8 22.Nde4 Nb4+=; 
       20.Qe4?! Ne5 21.Qf4 Nc6+–) 
    20...Ne8 21.Qf4 
       (21.cd7?! Nd6 22.Nde4 Qd7 23.Nd6 f5+=) 
    21...Rb2 
       (21...Ne5 22.Nde4 (22.Qe4?! Bf5 23.Qd5 Qc7+–; 22.Ba6?! Ba6 23.Ra6 
       Nd3 24.Qe4 Nc5 25.dc5 Qd2+–) 22...Nc6 23.Bc4+– (worse is 23.Ba6 Ba6 24.Ra6 
       Nb4 25.Ra7 Nd3+–)) 
    22.Rb2 
       (22.cd7?! Rb1 23.Rb1 Qd7 24.Nde4 f5+–) 
    22...Nc5 23.Nde4 
       (23.Nce4 Ne6 24.Qb8 f5+–) 
    23...Ne6 24.Qb8 f5 25.Nd2 N8c7 26.Nf3 
       (26.Bc4 f4 27.Be6 Ne6+–) 
    26...f4 
       (26...Qd6 27.Qa7 Qc6 28.Rc1+–) 
    27.Qa7 
       (27.Rc1 fe3 28.fe3 g5+–) 
    27...g5 
       (27...fe3 28.fe3 Qe8 29.Rc2+– (29.Ba6?! Ba6 30.Qb6 Bc4+/–)) 
    28.Ne5 
       (28.Rab1 g4 29.Ne5 fe3 30.fe3 Be5 31.de5 Qg5+–) 
    28...Be5 
       (28...fe3 29.fe3 Be5 30.de5+–) 
    29.de5 g4 
       (29...Qe8 30.Bf3+–) 
    30.Bg4 Qg5 31.Bf3 
       (31.Be6 Ne6 32.Ra5 f3+=) 
    31...Qe5 32.Rc1 
       (32.Na4 Ng5 33.Qd4 Nf3 34.gf3 Qd4 35.ed4 Kg7+–) 
    32...Ng5 
       (32...Nb5 33.Rb5 ab5+–) 
    33.Qd4 Qd4 
       (33...Nf3 34.gf3 Qg7 35.Qg7 Kg7 36.Rb8+–) 
    34.ed4 Rg8 
       (34...Nf3 35.gf3 Be6 36.Rb7 Rg8 37.Kh1+–) 
    35.Be4 
       (35.Bd1 f3 36.g3 Rd8+–) 
    35...f3 36.g3 Bh3 
       (36...Kg7 37.Bd3+–) 
    37.Rd2 
       (37.Rb7 Rg7+–) 
    37...Bg2 
       (37...Rd8 38.Bc2+–) 
    38.h4 Nb5 
       (38...Ne4 39.Ne4 Rd8+–) 
    39.hg5 Rg5 The mate threat is Rh5 40.c7 
       (better is 40.Rd3 Rh5 41.Bf3 Bf3 42.Rf3 Na7+–) 
    40...Nc7 41.Rd3 Rh5 The mate threat is Rh1 42.Bf3 Rh1 43.Kg2 Rc1 
    44.d5 Ne8 
       (44...Kg7 45.Ne2 Ra1 46.Nf4+–) 
    45.d6 Nd6 46.Ne2 
       (46.Ne2 Rb1 47.Rd6+–) 
    1–0
    
    
    
    (4) Schiefelbusch,Dirk – Grofig,Patrick
    Dortmund op–A, 2003
    1.b4 d5 2.e3 e5 3.Bb2 Nd7 4.b5 Ngf6 5.c4 c6 
       (5...a6 6.d4 e4 7.ba6 Ra6 8.cd5=) 
    6.a4 
       (6.d4 Bb4 7.Bc3 Bc3 8.Nc3 ed4 9.Qd4 c5=) 
    6...Bb4 
       (6...Bd6 7.d4+=) 
    7.Nf3 Qe7 
       (7...e4 8.Nd4 Ne5 9.Nc6 Nc6 10.bc6 bc6 11.cd5 cd5 12.Qb3=) 
    8.Be2 0–0 9.0–0 a6 
       (9...e4 10.Nd4+=) 
    10.Nc3 
       (10.bc6 bc6 11.d4 e4=) 
    10...e4 11.Nd4 Ne5 
       (11...c5!? 12.Nc2 dc4 13.Bc4 ab5 14.Bb5 Bc3 15.Bc3 Ne5=) 
    12.cd5= cd5 13.f4 ef3 14.Nf3 Neg4 
       (14...Nf3 15.Bf3 Rd8 16.Rc1=) 
    15.Rc1 Re8 16.Kh1 
       (16.h3 Nh6+=) 
    16...Ne4 
       (16...ab5 17.Bb5 (worse is 17.Nb5 Ne4 18.Qb3 Bd2 19.Nd2 Nd2+=) 17...Bd7 
       18.Qb3=) 
    17.Qe1 
       (17.Qb3 Ngf2 18.Kg1 Bc3 19.Bc3 Nc3 20.Qc3 Ne4+=) 
    17...Qd6 
       (17...Be6 18.Nd4 Bc3 19.Bc3+=) 
    18.g3 
       (18.Kg1 Bf5=) 
    18...Re6 
       (18...b6 19.ba6 Ba6 20.Nd4–/+) 
    19.Ne4 
       (19.ba6!? Rh6 20.ab7 Bb7 21.Kg1+=) 
    19...de4+= 
       (19...Re4?! 20.Ng5 Re3 
         A) 21.Nf7 Qe7 22.Bg4 Qe4 23.Bf3 Rf3 (23...Re1 24.Rce1 Qf5 
          25.Ne5+–) 24.Qe4 de4+=;
         B) 21.Qd1 Nh2 22.Rf7= (22.Kh2?? Qg3 23.Kh1 Qh4 24.Kg1 Rg3 25.Kf2 
          Rh3 26.Kg2 Qg3)) 
    20.Nd4 Ne3 21.Ne6 Nf1?? Increases the pressure on d2 
       (21...Be6 22.Rf4 Bd2–+ (22...Qd2?! 23.Qd2 Bd2 24.Rc5+=)) 
    22.Nc7+– e3? 
       (better is 22...Ra7 23.Qf1 Bd2+–) 
    23.Na8 
       (23.Qf1 ed2 24.Na8 dc1R 25.Qc1 Qd5 26.Kg1 Bc5 27.Qc5 Qc5 28.Kg2 Qc2–+ 
      ; 
       23.Bf1?! ed2 24.Qe8 Qf8 25.Qf8 Kf8 26.Na8 dc1Q 27.Bc1 ab5 28.ab5 Bf5+– 
      ) 
    23...Qd5 24.Kg1 Bc5 
       (24...Be6 25.Qf1 ed2+–) 
    25.d4! Nd2 
       (25...Bd4 A pinning theme 26.Rc8 The nicest combinations are 
       those leading to#) 
    26.Rc5 
       (26.dc5 Bh3 27.Qf1 Bf1 28.Bf1 Qa2–+ (28...Nf1 29.Rf1 Qc5 30.Rc1 e2 
       31.Rc5 e1Q 32.Kg2 Qd2 33.Kh3 Qd7 34.Kg2=)) 
    26...Qe6 
       (26...Qd8 27.Rc3 ab5 28.Re3 ba4 29.Bb5+–) 
    27.d5 
       (better is 27.Re5 Qd7 28.Re3 b6+–) 
    27...Qf5 
       (27...Qe8 28.ba6 ba6 29.Nb6+–) 
    28.g4 
       (28.Nb6 Qf2 29.Qf2 ef2 30.Kg2 Bf5+–) 
    28...Qf2 29.Qf2 ef2 30.Kg2 Bd7 
       (30...Bg4 31.Rc2 f1Q 32.Bf1 Nf1 33.Kf1 ab5 34.ab5+–) 
    31.Rc7 Bg4 
       (31...f1Q 32.Bf1 Bg4 33.Rb7+–) 
    32.Kf2 Ne4 
       (32...h5 33.ba6 ba6 34.Bd3+–) 
    33.Ke3 h5 34.Bg4 Nf6 35.Bf3 ab5 36.Bf6 gf6 37.a5 Kh7 38.Bh5 Kh6 39.Bf7 
    Kg5 40.Be6 
       (40.Be6 b4 41.Rb7+–) 
    1–0
    
    
    
    (5) Schiefelbusch,Dirk – Voulikh,Boris
    Ruhrgebiet VL1, 1999
    1.b4 d5 2.e3 e5 3.Bb2 Nd7 4.b5 Ngf6 5.Nf3 Bd6 6.d4 
       (6.Be2 0–0+=) 
    6...e4 7.Nfd2 0–0 8.c4 c6 
       (8...Re8 9.Nc3=) 
    9.Nc3 Re8 
       (9...a6 10.c5 Be7 11.bc6 bc6 12.Be2=) 
    10.Be2 Nf8 
       (10...cb5 11.Nb5 Be7 12.Qb3=) 
    11.Rc1 
       (11.bc6 bc6 12.Rb1 Ne6=) 
    11...Be6 12.0–0 Rc8 
       (12...Qb8 13.h3=) 
    13.g3 
       (13.bc6 bc6 (worse is 13...Rc6 14.cd5 Nd5 15.Bb5+/–) 14.c5 Bb8=) 
    13...Bb8 
       (13...Bh3 14.Re1=) 
    14.bc6= bc6 
       (worse is 14...Rc6 15.cd5 Nd5 16.Nde4+=) 
    15.cd5 
       (15.Rb1 Bh3 16.Re1 Ne6=) 
    15...cd5 16.Ba6 
       (16.f3 ef3 17.Bf3 Bd6=) 
    16...Bg4 17.Qb3 Rc6 
       (17...Rc7 18.Ba3+=) 
    18.Bb5= Rb6 Threatens Bd7 19.Na4 Rb7 Threatening Bd7 20.Nc5 Rb6 
    21.Qa4 Ne6 
       (21...Bh3 22.Rfe1 a6 23.Na6 Bd7 24.Bd7 Qd7 25.Qd7 N8d7 26.Nb8 Rb2 (worse is 
       26...Rbb8 27.Rc2+/–) 27.Nd7 Nd7=) 
    22.Ne6 
       (better is 22.Bc3+/–) 
    22...Ree6+= 23.Ba3? 
       (better is 23.Rc3+=) 
    23...a6–+ 24.Bc6 Bc7 
       (24...Rec6 25.Rc6 Bd7 26.Qa5 Bc6 27.Bc5–+) 
    25.Nb3 Rec6 
       (better is 25...Be2!? 26.Na5 Bf1 27.Kf1 Qb8–+) 
    26.Rc6–/+ Bd7 27.Rfc1?? 
       (better is 27.Na5 Rb8 28.Nb3+=) 
    27...Rc6 
       (27...Bc6 28.Rc6 Qe8 29.Na5 Rb1 30.Kg2 Ba5 31.Qc2–+) 
    28.Rc6 Qe8 
       (28...Bc6?! 29.Qc6 a5 30.Nc5=) 
    29.Qa6 Bc6 30.Qa7 Qb8 
       (30...Qc8 31.Qc5 Bd7 32.Bb4–+) 
    31.Qc5 
       (31.Qb8 Bb8 32.Be7 Nd7–+) 
    31...Bd7 32.h4 
       (32.Qe7 Bb5–+) 
    32...h5 
       (better is 32...Bg3 33.fg3 Qg3 34.Kf1–+) 
    33.Qe7 
       (33.Qb4 Bg3! 34.Qb8 Bb8–+) 
    33...Qd8 
       (better is 33...Bg3 34.Qf8 Qf8 35.Bf8 Kf8 36.fg3–+) 
    34.Qc5 
       (34.Qd8 Bd8 35.Bb4 Bb5–+) 
    34...Be6 35.Qc6 Qb8 36.Kg2 Bg4 37.Bc5 
       (37.Nd2–+) 
    37...Bf3 38.Kh2 
       (38.Kf1 Bg3! 39.Qb6 Qa8–+) 
    38...Qd8 
       (38...Ng4!? 39.Kg1–+) 
    39.a4 
       (39.Qa6 Ng4 40.Kg1 Qd7–+) 
    39...Ne8 40.Kg1 Qb8 
       (better is 40...Qc8 41.Kf1 Qh3 42.Ke1 Qh1 43.Kd2 Qb1–+) 
    41.Kh2 
       (41.Nd2 Bg3! 42.Nf3 ef3 43.Qb5–+) 
    41...Nf6 
       (41...Qb3?! 42.Qe8 Kh7 43.Qf7–+) 
    42.Qb5 
       (42.Bb6 Ng4 43.Kg1 Bg3 44.Kf1 Bf2 45.Qc7 Qc7 46.Bc7 Bh4 47.a5 Ne3 
       48.Kg1–+) 
    42...Bd1 
       (42...Bg3 43.fg3 Ng4 44.Kh3 Qc8 45.Qd7 Qd7 46.a5 Nf2 47.Kh2 Qh3 
       48.Kg1 Qg2) 
    43.Nd2 Qb5 44.ab5 Nd7 
       (44...Ba5 45.Nb1–+) 
    45.Nb1 Ba5 46.Kg2 
       (46.Na3 Be2 47.Kg2 Bd3–+) 
    46...Nb6 
       (46...f5 47.Na3–+) 
    47.Nc3? 
       (47.Bb6 Bb6 48.Nc3–+) 
    47...Bc3 48.Bb6 Ba4 49.Bc5 Bb5 50.Bd6 Be2 51.Bc5 Kh7 52.Be7 Kg6 53.Bd8 
    Kf5 54.Be7 Ba5 55.Bd6 Bd8 56.Bf8 g6 57.Bd6 
       (57.Kh3 Ba5 58.Bd6 Bf1 59.Kh2 Bc3–+) 
    57...f6 58.Kh3 Bf1 
       (58...g5 59.hg5 Bg4 60.Kh2 fg5 61.Kg1–+) 
    59.Kh2 Kg4 60.Kg1 Be2 61.Kg2 g5 62.hg5 fg5 63.Be5 h4 64.gh4 gh4 65.Bd6 
       (65.Kg1 Bg5 66.Kh2 Kf3–+) 
    65...h3 66.Kg1 Bh4 67.Bb4 Kf3 68.Be1 
       (68.Kh2 Bf2 69.Bd6 Bf1–+) 
    68...h2! 69.Kh2 Deflection from f2 69...Bf2 70.Bd2 Be3 71.Bc3 Bf4 
    72.Kg1 e3 73.Be1 Bg3 74.Bc3 Bd3 75.Bb2 
       (75.Bb4–+) 
    75...e2 
       (75...Be1 76.Ba3 e2 77.Be7 Bf2 78.Kh1 e1Q 79.Kh2 Bg3 80.Kh3 Qe6) 
    76.Bc3–+ 0–1
    
    
    
    (6) Schiefelbusch,Dirk (2130) – Lupor,Andre (2275)
    Dortmund, 2005
    1.b4 d5 2.e3 Nf6 3.Bb2 c6 4.c4 Nbd7 5.Nf3 e6 6.b5 Bd6 7.Nc3 0–0 8.d4 dc4 
       (8...e5 9.c5 Bc7 10.Be2=) 
    9.bc6 bc6 10.Bc4 Rb8 11.Qe2 
       (11.Rb1 Nd5 12.Qc2 Qa5+=) 
    11...c5 
       (11...e5 12.Rd1 Qa5 13.Bb3=) 
    12.0–0 
       (12.Nb5 Be7=) 
    12...cd4 13.Nd4 
       (13.Nb5 Nb6 14.Bd3 e5 15.Na7 Bb7+=) 
    13...Bb7 
       (13...Ne5 14.Bb5 Bd7 15.Rab1=) 
    14.Ndb5 
       (14.Rfd1 Qb6=) 
    14...Bc5 15.Rfd1 Qb6 
       (15...Qa5 16.Rac1=) 
    16.Rab1 
       (16.Rac1 a6 17.Na4 Qc6=) 
    16...Rfc8 
       (16...Ne5 17.Bb3=) 
    17.Bb3 
       (17.Na4 Qc6 18.Qf1 Be7=) 
    17...Qc6 
       (17...a6 18.Nd4 Bd4 19.ed4+= (worse is 19.Rd4 Rc3 20.Bc3 Qc6–/+)) 
    18.Qf1= Ba6 
       (18...a6 19.Nd4 Qc7 20.Qe2=) 
    19.a4 
       (19.Ba4 Qb7=) 
    19...Bb4 20.Rdc1 
       (20.Na2 Bf8 (20...Bb5? 21.ab5 Qb5 22.Qb5 Rb5 23.Ba4+–) 21.Bd4 Qa8= 
      ) 
    20...Qb6 
       (20...Bc3 21.Rc3 (worse is 21.Bc3 Bb5 22.ab5 Qb5+=) 21...Nc5 22.Rc4 (worse is 
       22.Na7 Bf1 23.Nc6 Rc6–+) 22...Rb5 23.ab5 Bb5 24.Bf6 Bc4 25.Bc4 gf6 
       26.Ra1+=) 
    21.Qd1= Bb7 22.Ba2 
       (22.Na2 Bc5=) 
    22...a6 23.Nd4 
       (23.Ba3 Ba3 (worse is 23...ab5 24.Rb4 Rc5 25.ab5+/–) 24.Na3 Qc5=) 
    23...Qa5+= 24.Nde2 Qg5 Threatening mate: Qxg2 25.Ng3 h5 
       (25...Qh4 26.Nce2+=) 
    26.Qd4 
       (26.Nce2 Rc1 27.Qc1 Qa5+=) 
    26...Bc5+= Black gets in control 27.h4 
       (27.Qd3 Ne5 28.Qe2 h4–+) 
    27...Qg6 
       (27...Qg3! 28.fg3 Bd4 29.ed4 Nd5–/+) 
    28.Qf4= Ba8 29.Rd1 Rb4 30.Qg5 Rg4 31.Qg6 Rg6 32.Nce2 Rg4 33.Nh5 
       (33.Bb3!?+=) 
    33...Rg2 
       (33...Nh5 34.g3 Bc6 35.Bb3–+) 
    34.Kf1–/+ Nh5 
       (34...Ng4 35.Rd7 Rf2 36.Ke1 Bb4 37.Rd2–+) 
    35.Rd7–+ Bc6 
       (35...Rg4 36.Nc3 Bc6 37.Rd2–+) 
    36.Rd2 
       (36.Bc4 Rh2 37.Rd2 Rh1 38.Ng1 Be3 39.fe3 Ng3 40.Ke1 Rg1 41.Kf2 Rb1 
       42.Kg3–+) 
    36...Rh2–/+ 37.Rc1 Rh1 38.Ng1 Ng3! 39.fg3 A deflection 39...Rg1 40.Kg1 
    Decoy theme: g1 40...Be3 Theme: Double Attack 41.Kf1?? 
       (better is 41.Rf2 Bc1 42.Bc1 Ba4 43.Bf4+/–) 
    41...Bd2–/+ 42.Rd1 
       (42.Rc4 Kf8–/+) 
    42...Ba5 
       (42...Bh6 43.a5–/+) 
    43.Rc1 Bd7 
       (43...Bb4 44.Kf2–/+) 
    44.Rc8 Bc8 45.Kf2 
       (45.Bd4 Bc7 46.Kf2 e5–/+) 
    45...Bb4 
       (45...Bb6 46.Ke2–/+) 
    46.Bd4 Bd7 47.Bc4 a5 48.Bb5 
       (48.Bb3 f6–/+) 
    48...Bc8 
       (48...Bb5 49.ab5 Bd6 50.Kf3–/+) 
    49.Ke3 
       (49.h5 f6–/+) 
    49...Bb7 
       (49...Bd6 50.Kf2–/+) 
    50.g4 f6 51.h5 
       (51.Bc4 Kf7–/+) 
    51...Kf7 
       (51...e5 52.Bb6–/+) 
    52.Bb6 Bd5 53.Bd4 
       (53.Bc7 Bb3 54.Ke2 Ke7–/+) 
    53...Bb3 
       (53...e5 54.Bb6 Ke6–/+) 
    54.Bb6 
       (better is 54.Ke2!?–/+) 
    54...Bd1–+ 55.Kf4 Bd2 
       (55...Bd6!? 56.Ke3 Bg4 57.Ba5 Bc5 58.Kd3 Bh5 59.Bc3–+) 
    56.Kg3–/+ Bb3 
       (56...g6 57.h6–/+) 
    57.Bc5 
       (57.Kf3 e5–/+) 
    57...Bd5 
       (57...g6 58.Bd4–/+) 
    58.Be2 
       (58.Bd3 Bc3–/+) 
    58...e5 
       (58...Be1 59.Kf4–/+) 
    59.Ba6 
       (59.Kf2 Ke6–/+) 
    59...Be1–+ 60.Kh2 Bb4 61.Be3 g6 
       (61...Bc3 62.Bf1–+) 
    62.hg6–/+ Kg6 63.Bd3 
       (63.Bc8 Kf7 64.Bf5 Ke7–+) 
    63...Kf7 
       (63...e4 64.Bb5–/+) 
    64.Bf5 
       (64.Kg3 Be1 65.Kh2 Bc3–+) 
    64...Bb3 
       (64...Ke7 65.Bd3–+) 
    65.Bd7 Ke7 66.Bb5 Kd6 67.Kg3 Be1 68.Kg2 Bd1 69.Kh3 Bf3 70.Ba7 
       (70.Bb6 Bc3–+) 
    70...Bc6 
       (70...Kd5 71.Be3–+) 
    71.Bb8 
       (71.Bc6 Kc6 72.Kg2 Bb4–+) 
    71...Kd7 72.Bc6 Kc6 73.g5? 
       (better is 73.Ba7–+) 
    73...fg5 74.Be5 Bd2 75.Bd4 Kd5 76.Bb6 
       (76.Bg7 Kc4–+) 
    Ke6 
       (better is 76...Kc4–+) 
    ½–½
    
    
    
    (7) Schiefelbusch,Dirk – Berkenbusch,Franz
    Ruhrgebiet VK1–chT, 1995
    1.b4 d5 2.e3 Nf6 3.Bb2 e6 4.b5 Nbd7 5.Nf3 Bd6 6.Be2 0–0 7.0–0 e5 8.d4 e4 
    9.Nfd2 Nb6 
       (9...a6 10.Ba3+=) 
    10.a4 
       (10.Ba3 Be6+=) 
    10...Be6 11.a5 Nc8 
       (11...Nbd7 12.Ba3=) 
    12.c4 dc4 13.Nc3 
       (13.Nc4 Nd5=) 
    13...Bf5 
       (13...a6!?+=) 
    14.Nc4+= Ne7 
       (14...Be6 15.d5 Bd5 16.Nd6 Qd6 17.Ba3+/–) 
    15.Qa4 
       (15.a6 Rb8+=) 
    15...Re8 
       (15...Ned5 16.Nd6 cd6 17.a6+=) 
    16.Rfc1 
       (16.a6 b6+=) 
    16...Ned5 17.Nd6 Qd6 18.Ba3 Qd7 19.Ra2 
       (19.a6 Nc3 20.Rc3 Nd5+/–) 
    19...Nc3 20.Rc3 a6 21.Qc2 
       (21.Bc5 Be6 22.Rb2 Nd5+=) 
    21...Nd5 22.Rc5 ab5 23.Bb5 c6 24.Bc4 Nc7 
       (24...Red8 25.Rb2+=) 
    25.Rb2+/– Na6 26.Ba6 
       (better is 26.Rb7! Qb7 27.Rf5+–) 
    26...Ra6= 27.Qb3 Rb8 
       (27...Rea8 28.Qb7 Ra5 29.Ra5+–) 
    28.d5 cd5 
       (28...b5 29.dc6 Rc6 30.Bb4=) 
    29.Rd5+= Qc8 
       (29...Qc7 30.Rc2 Rc6 31.Bd6+/–) 
    30.Qd1 
       (30.Bd6 Qc1 31.Rd1 Rc8+=) 
    30...Be6 
       (30...b6 31.Rc2 Qe8 32.Rf5 Ra5 33.Ra5 ba5 34.Bb2+–) 
    31.Rc5 Rc6 32.Rc6 bc6 33.Qd4 
       (33.Qc2 Ra8 34.Bd6 Ra5+=) 
    33...Bd5 
       (33...Ra8 34.Bd6=) 
    34.h3 
       (34.Qe5 Ra8=) 
    34...Ra8 35.Qc5 h6 36.Rb6 Ra6 
       (36...Qe6 37.Rb7=) 
    37.Qd6 Ra8 38.Bc5 
       (38.Bb4 Qf5=) 
    38...Kh7 
       (better is 38...Ra5!? 39.Qe7 Rb5–/+) 
    39.Bb4= Qe6 
       (better is 39...Qf5!?=) 
    40.Qe6+/– fe6 41.Bc3 Ra7 42.a6 c5 
       (42...Bc4 43.Rb7 Ra6 44.Rg7 (44.Bg7?! Kg6=) 44...Kh8 45.Bd4+/–) 
    43.Be5+= c4 
       (43...Bc4 44.Rb7 Ra6 45.Rg7 Kh8 46.Rc7 Kg8 47.Rc5+–) 
    44.Kf1 
       (44.Bb8 Ra8+/–) 
    44...Kg6 45.Ke1 
       (45.Bb8 Ra8+/–) 
    45...Kf5 46.Bb8 
       (46.Bc3 e5+/–) 
    46...Rd7 
       (46...Ra8 47.Kd2+/–) 
    47.Kd2 
       (47.a7 c3+/–) 
    47...Ba8 
       (47...g5 48.Kc3+/–) 
    48.Kc2 
       (48.Kc3 Bd5+–) 
    48...Rd5 
       (48...g5 49.a7 h5 50.Kc3 Rd3 51.Kc4 Bd5 52.Kb4 Rb3 53.Kc5 Rc3 
       54.Kd6+–) 
    49.Kc3+– Ra5 
       (49...Rc5+–) 
    50.Kc4 Bd5 51.Kb4 
       (51.Kd4 Ra4 52.Kc5 Rc4 53.Kb5 Rc2+–) 
    51...Ra2 52.g4 Kf6 53.Bg3 Ke7 54.Kc5 
       (54.Be5 g5+–) 
    54...Ra5 55.Kb4?? 
       (55.Kd4 Ra4 56.Ke5 Ra5+/–) 
    55...Ra2 56.h4 g5 
       (56...Rb2 57.Ka5 Ra2 58.Kb5+–) 
    57.h5 Rb2 58.Kc5 Rc2 59.Kd4 Rc4 60.Ke5 Ra4 61.Rb8 
       (61.Rd6 Bc4+/–) 
    61...Kf7? 
       (61...Ra5 62.Rb6 Ra4 63.Rd6+–) 
    62.Rh8 
       (better is 62.Rb6+–) 
    62...Kg7+/– 63.Rd8 Ra6 64.Rd7 Kg8 65.Kf6 Ra8 
       (65...Rb6 66.Be5 Rb7 67.Rb7 Bb7 68.Kg6+– (68.Ke6?! Bc8 69.Kd5 Bg4+=)
      ) 
    66.Be5 
       (66.Kg6 Bc6 67.Rg7 Kh8+–) 
    66...Ra2 
       (66...Bc6 67.Rg7 Kh8 68.Rc7+–) 
    67.Rg7 
       (67.Kg6 Rf2 68.Bd6 Rf8 69.Rg7 Kh8 70.Bf8 Bc6+–) 
    67...Kf8 68.Bd6 
       (better is 68.Kg6!? Rf2 69.Kh6+–) 
    68...Ke8+= 69.Bg3 Bc4? 
       (better is 69...Ra1!?+=) 
    70.Rh7 
       (70.Kg6 e5 71.Kh6 Kf8+–) 
    70...Ra6 
       (better is 70...Be2+–) 
    71.Rh6 e5 72.Kg5 Rh6 73.Kh6 Kf7 74.Be5 
       (74.g5 Kg8+–) 
    74...Kf8 
       (74...Ke6 75.Bd4+–) 
    75.g5 Be2 
       (75...Kg8 76.g6+–) 
    76.Kg6 Bc4 
       (76...Bf3 77.h6 Bh5 78.Kh5+–) 
    77.h6 Bf7 
       (77...Be6 78.h7 Ke7 79.h8Q Bf7 80.Kf5 Be6 81.Ke4+–) 
    78.Kf6 Bh5 
       (78...Bg8 79.g6 Ke8 80.h7+–) 
    79.Kf5 
       (79.h7 Bf7 80.h8Q Bg8 81.Qg7 Ke8 82.Qe7) 
    79...Bf7 
       (79...Kf7 80.Ke4 Bg6 81.Kd5 Kf8+–) 
    80.Ke4 
       (80.Ke4 Be6 81.h7+–; 
       80.h7 Bg6 81.Kg6 Ke7+–) 
    1–0
    
    
    
    (8) Schiefelbusch,Dirk (2065) – Reichmann,Oleg (2120)
    Ruhrgebiet VL2, 2005
    1.b4 d5 2.e3 Nf6 3.Bb2 e6 4.b5 Be7 5.Nf3 0–0 6.Be2 Nbd7 7.0–0 
       (7.Nc3 Nc5=) 
    7...Re8 
       (7...a6 8.a4=) 
    8.a4= Ne4 
       (8...Bd6 9.c4=) 
    9.d3 Bf6 
       (9...Nd6 10.Nbd2=) 
    10.c3 
       (10.Qc1 Nd6=) 
    10...Nd6 11.Nbd2 Nc5 
       (11...c5!?=) 
    12.d4+= Nce4 
       (12...Nd7 13.c4+=) 
    13.Ne4 Ne4 14.c4 
       (14.Bd3 b6+=) 
    14...c6 
       (14...c5 15.Ne5+=) 
    15.Qb3 
       (15.Bd3 Nd6 16.c5 Nf5+=) 
    15...Bd7 16.Rfc1 Rc8 
       (16...a6 17.ba6 ba6 18.Qc2+=) 
    17.cd5 
       (17.Bd3 Nd6 18.cd5 ed5 19.bc6 Rc6+=) 
    17...cd5 
       (17...ed5 18.Ne5=) 
    18.Ne5 
       (18.Rc8 Qc8 19.Ne5 b6+/–) 
    18...Be5+= 19.de5 Qh4 
       (19...Qa5!?+=) 
    20.g3+/– Qg5 21.Bd4 
       (21.b6 ab6 22.Qb6 Rc1 23.Rc1 Ba4 24.Qb7 Qe7 25.Qe7 Re7+/–) 
    21...b6 
       (21...h5 22.b6 ab6 23.Qb6 Rc1 24.Rc1 Ba4 25.Qb7+/–) 
    22.Qb4+/– White prepares the advance a5 22...Qf5 
       (22...Nc5 23.a5+/–) 
    23.f3 
       (23.f4 h5 24.Rc8 Rc8+–) 
    23...Nc5+/– 24.g4 
       (24.Rc3 f6+/–) 
    24...Qg5 25.f4 
       (worse is 25.Bc5 bc5 26.Qc3 Qd8=) 
    25...Qe7 26.a5 
       (26.Rc2 Qf8+/–) 
    26...Kf8 
       (26...h6 27.Kg2+=) 
    27.Rc3 
       (27.ab6 ab6 28.Ra7+/–) 
    27...Kg8 
       (27...Rc7!?+/–) 
    28.Rac1+– f6 29.ef6 
       (29.Bc5?! bc5 30.Rc5 fe5 31.fe5 Rf8+/–) 
    29...gf6 30.ab6 ab6 31.Bc5 bc5 32.Rc5 Ra8 
       (32...Qd6 33.Kg2+–) 
    33.Qb2 
       (better is 33.b6 Rab8 34.Qb2+–) 
    33...Qg7? 
       (33...Rac8 34.Rc7 e5 35.fe5 fe5+–) 
    34.Rc7 
       (34.b6 Rab8 35.Rc7 Red8+–) 
    34...Re7 
       (34...Rab8 35.b6+–) 
    35.b6 h5 
       (35...Rd8+–) 
    36.b7 Rb8 37.h3 
       (better is 37.Rc8!? Bc8 38.bc8Q Rc8 39.Rc8 Kh7+–) 
    37...hg4 38.hg4 Kf7 
       (38...Rf7 39.Qb4 d4 40.Rd7 Rd7 41.Rc8 Rd8 42.Qd6 Rdc8 43.Qe6 Kh7 
       44.Bd3 Kh8 45.bc8R Rc8 46.Qc8 Qg8 47.Qg8 Kg8 48.Bc4 Kg7 49.ed4 Kf8 
       50.g5 Ke8 51.g6 Kf8 52.d5 Ke8 53.g7 Kd7 54.g8Q Kd6 55.Qf8 Kc7 56.Qc5 
       Kd7 57.Bb5 Kd8 58.d6 f5 59.Qc7) 
    39.Qd4 
       (better is 39.g5 Qg6 40.Rd7 Rd7+–) 
    39...Rh8 
       (39...Qh6 40.Rc8 Bc8 41.bc8R Rc8 42.Rc8 Qg6+–) 
    40.g5! Qh7 
       (40...fg5 41.Qg7 Double attack (41.Qg7 Decoy)) 
    41.Qf6 Kg8 42.Rc8 
       (42.b8Q Re8 43.Qe6 Kf8 44.Bh5 Rb8 45.Rc8 Rc8 46.Rc8 Bc8 47.Qe8 Kg7 
       48.Qf7) 
    42...Be8+– 43.Qh6! Qe4 
       (43...Qh6 44.gh6 Passed pawn) 
    44.Qf6 
       (44.b8Q Qe3 45.Kf1 Qc1 46.Rc1 Rh6 47.gh6 d4 48.Rc7 Kf7 49.h7 Rc7 
       50.Qc7 Kg6 51.h8Q Bd7 52.Qce5 d3 53.Qhg7) 
    44...Qh1 45.Kf2 Rh2 46.Kg3 Qg2 0–1
    
    
    
    (9) Schiefelbusch,Dirk (2155) – Anibar,Ahmed (2080)
    Dortmund op–A, 2004
    1.b4 d5 2.e3 Nf6 3.Bb2 Bf5 4.Nf3 e6 5.b5 Bd6 6.c4 0–0 7.Nc3 c5 
       (7...Nbd7 8.Nd4 Bg6 9.cd5 ed5 10.Be2+=) 
    8.d4= ½–½
    
    
    
    (10) Schiefelbusch,Dirk (2100) – Morgenroth,Hubertus (1650)
    Dortmund–ch, 2004
    1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 Bf5 6.Be2 0–0 7.0–0 Nbd7 8.d4 
       (8.Nc3 a6 (8...c6 9.a3 Nb6 10.d3 Be6 11.Ng5 h6 12.Ne6 fe6 13.Qb3 Qd7 
       14.a4 Nc8 15.a5 d5 16.cd5 ed5 17.e4 Kh7 18.ed5 cd5 19.Bf3 d4 20.Na4 
       Rb8 21.Rfc1 Nd6 22.Nc5 Qb5 23.Re1 marekt–akbardoc/chessworld.net 
       2008/1–0 (37)) 9.d4 ed4 10.Nd4 Bg6 11.f4 c5 12.bc5 dc5 13.f5 cd4 
       14.ed4 Bb4 15.fg6 fg6 16.Qb3 Bc3 17.Bc3 Ne4 18.c5 Kh8 19.Rf8 Qf8 
       20.Be1 Rb8 21.Rb1 Qe8 22.Bc4 Ndf6 pcmvr (2560)–felippe (2225)/
       net–chess.com 2006/1–0 (31)) 
    8...ed4 9.Nd4 Bg6 10.Nc3 Ne5?N 
       (10...c5 11.bc5 Nc5 (11...dc5 12.Nf3 Re8 13.Nd5 Be4 14.Ne7 Qe7 
       15.Qb3 Bc6 16.Rac1 Rab8 17.Rfe1 Ne4 18.Rcd1 Nb6 19.Nd2 Ba4 20.Qd3 Rbd8 
       21.Qe4 Qe4 22.Ne4 Bd1 23.Nc3 Be2 24.Ne2 Nc4 25.Ba1 Rd2 26.Nc1 
       Hasler,U–Dobry,J/CiF 1992/0–1) 12.Nb3 Qb6 13.Ba3 Rfd8 14.Nc5 dc5 
       15.Qb3 Qb3 16.ab3 Rd2 17.Rfd1 Rad8 18.Kf1 Ne4 19.Nd5 Bf6 20.Rac1 b6 
       21.f3 Rd1 22.Rd1 Nd6 23.Nf6 gf6 24.Bb2 Kg7 25.e4 Labahn,T–Peske,K/
       Verbandsklasse 1989/1–0 (54); 
       better is 10...c5 11.bc5 dc5=) 
    11.f4+– Nc4 12.Bc4 d5 13.Be2 Be4 14.Ne4 Ne4 15.a3 
       (15.Bd3 Bf6+–) 
    15...Bf6 16.Re1 
       (16.Qc2 Re8+–) 
    16...Bh4 17.g3 Bf6 18.Bf3 
       (18.Rc1 c6+–) 
    18...Re8 19.Qd3 Qd7 
       (19...c6 20.Rab1+–) 
    20.Rad1 Qf5 1–0
    
    
    
    (11) Schiefelbusch,Dirk (2125) – Tran,Duc Cuong (1970)
    Sparkassen Open A, 2011
    1.b4 e5 2.Bb2 d6 3.e3 f5 4.Nf3 Nf6 5.c4 Be7 6.Nc3 0–0 7.Be2 Qe8N 
       (7...a5 8.b5 Nbd7 9.d4 e4 10.Nd2 Qe8 11.Qb3 Kh8 12.a4 Qg6 13.g3 c5 
       14.0–0–0 Nb6 15.Rdg1 Be6 16.d5 Bc8 17.h3 Nbd7 18.g4 Ne5 19.gf5 Qf5 
       20.Nd1 b6 21.Rh2 Ng6 22.h4 Friedrich–Zavodny,Z/NED Prerovske 
       strojirny–UNI Brno 1972/0–1 (53); 
       7...Kh8 8.d4 e4 9.Nd2 c5 (9...Be6 10.0–0 Qe8 11.f3 Qg6 12.fe4 fe4 
       13.Rf4 Nbd7 14.Nde4 Ne4 15.Re4 Bh3 16.Bf3 Bf6 17.Rf4 Rae8 18.Qe2 Qg5 
       19.Ne4 Re4 20.Be4 c6 21.Raf1 d5 22.Bf5 Bf5 23.Rf5 Qh6 24.cd5 
       Zylla,J–Hengelange,T/corr GER–ch 1993/1–0) 10.bc5 dc5 11.d5 a6 
       12.a4 Nbd7 13.Qc2 Bd6 14.g3 Ne5 15.a5 Bd7 16.0–0 Nfg4 17.h3 Ne3 18.fe3 
       Qg5 19.Nde4 fe4 20.Ne4 Qe3 21.Kg2 Qh6 22.h4 Melich,J 
       (2055)–Simeonidis,I (2245)/Aegean Open, Kirykos GRE 2005/½–½; 
       7...h6 8.Qb3 Be6 9.Nh4 Kh7 10.Qc2 g6 11.g4 Ng4 12.Ng6 Nf2 13.Nf8 Bf8 
       14.Kf2 Qh4 15.Kf1 Kh8 16.Bf3 f4 17.Bg2 Bh3 18.Bh3 Qh3 19.Ke1 Be7 
       20.Rg1 Qf3 21.Ne2 Nc6 22.a3 orangutanb4 (2000)–bajri (1790)/kurnik 
       2011/1–0 (52); 
       7...b6 8.0–0 Nbd7 9.Ng5 Nb8 10.f4 Ne8 11.Nf3 e4 12.Nd4 c5 13.Nc2 Be6 
       14.Kh1 Nd7 15.g4 Bf6 16.gf5 Bf5 17.Bg4 Bg4 18.Qg4 Bc3 19.Bc3 Ndf6 
       20.Qg2 Rc8 21.b5 Qd7 22.a4 Ranby,H–Zylla,J/corr SOK–92–85 1992 (44)
       ) 
    8.0–0 c6 9.d4 e4 10.Nd2 ½–½
    
    
    
    (12) Schiefelbusch,Dirk (2135) – Carmesin,Matthias (1855)
    Sparkassen Open A, Dortmund GER, 2010
    1.b4 e5 2.Bb2 d6 3.e3 g6 4.c4 Bg7 5.Nf3 Ne7 6.Be2 0–0 7.d4 e4 8.Nfd2 f5 
    9.Nc3 Nd7 10.0–0 g5N 
       (10...Nf6 11.a4 d5 12.b5 c6 13.Qb3 Be6 14.Ba3 Re8 15.a5 Rb8 16.Bc5 
       Nc8 17.bc6 1–0 pcmvr (2530)–rhand (2240)/net–chess.com 2006) 
    11.Qb3 Nf6 12.d5 Ng6 13.c5 Qe7 14.Rac1 f4 15.cd6 cd6 16.Nb5 a6 17.Nc7 Rb8 
    18.Rc2 Ng4 19.Bg7 Qg7 20.Ne6 Be6 21.de6 Nf6 22.e7 Rf7 23.Qe6 Ne7 24.Qd6 
       (24.Ne4?! Ne4 25.Qe4 d5+=) 
    24...Rff8 25.Rc7 
       (25.ef4 gf4 26.Ne4 Nc6+–) 
    25...Rbd8 26.Qe5 Nfd5 27.Qg7 Kg7 28.Rb7 fe3 29.fe3 Rf1 30.Nf1 Rc8 31.Ba6 
    Kf6 32.Re7! Ne7 
       (32...Ne7 33.Bc8 Discovered attack (33.Bc8 Remove defender)
      ; 
       32...Ke7 33.Bc8 Discovered attack (33.Bc8 Remove defender)) 
    33.Bc8 Nc8 34.Kf2 Ke5 35.Ke2 Kd5 36.Kd2 
       (36.g4!? Nb6+–) 
    36...Kc4 37.a3 Kb3 38.b5 Nb6 39.Ng3 Nc4 40.Ke2 Nd6? 
       (40...Ka3 41.Ne4 h6+–) 
    41.b6 Ka3 42.Ne4! Nb7 
       (42...Ne4 43.b7 Passed pawn) 
    43.Ng5 h6 44.Nf7 h5 45.e4 Nc5 
       (45...Kb4 46.Nd6! Nd8 47.b7+–) 
    46.Nd6 1–0
    
    
    
    (13) Schiefelbusch,Dirk (2060) – Gorval,Eugen (2120)
    Dortmund–ch, 2005
    1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c5 5.d4 ed4 
    6.ed4 c4 7.c3 
       (7.a4 Bf5 8.Be2 a6 9.Nf3 ab5 10.Nh4 Bc8 11.ab5 Ra1 12.Ba1 Qa5 13.Bc3 
       Qb5 14.0–0 Ne7 15.Re1 Kf7 16.Bd2 g5 17.Bh5 Kg7 18.Nc3 Qd7 19.Qc1 Rg8 
       20.Bg5 fg5 21.Qg5 Kh8 Grott,P (2070)–Krammer,W (2000)/DESC 2002/½–½
       ; 
       7.Qe2 Qe7 8.Nc3 Qe2 9.Nge2 Bb4 10.Nf4 Ne7 11.0–0–0 Bc3 12.Bc3 g5 
       13.Re1 Kf7 14.Re7 Ke7 15.Nd5 Kd6 16.Bc4 Be6 17.Bb4 1–0 
       guest3527–guest2111/ICC 2005) 
    7...Bf5N 
       (7...a6 8.ba6 Ra6 9.Nf3 Bg4 10.Be2 Ne7 11.0–0 Ng6 12.Nbd2 Bd6 13.Re1 
       0–0 14.h3 Bf5 15.Bc1 Kh8 16.Nf1 Qd7 17.Ne3 Be6 18.Qc2 Nf4 19.Rb1 Re8 
       20.Bf1 Nc6 21.Bd2 Ne7 22.Rbd1 Bogma,E–Mikhalsky,V/Kiev Spring op 
       1999/½–½ (36)) 
    8.Ne2 
       (8.Be2 Qd7 9.a4 Qe6+=) 
    8...Qe7 
       (8...Qa5 9.a4+=) 
    9.Ba3 Qe6 10.Bf8 Kf8 11.Qd2 
       (11.g3 Be4 12.Rg1 Kf7+=) 
    11...Nd7 12.Qe3 
       (12.Qd1 Kf7–/+) 
    12...Qb6 13.a4 a6 
       (13...Re8 14.Qf4 Ne7 15.Nd2+=) 
    14.Na3 
       (14.Qf3 Qe6 15.ba6 ba6+=) 
    14...Re8 15.Qf3 Be4 
       (15...Qe6 16.Kd2 Be4 17.Qe3+=) 
    16.Qh3= Qd6 17.Kd2 
       (17.a5 Nh6+=) 
    17...Ne7 
       (17...Nh6 18.a5+=) 
    18.f3 
       (18.Ng3 Bg6+=) 
    18...Bf5 
       (18...Bg6 19.Qg3 Qg3 20.hg3+=) 
    19.g4 Bd3 20.Qg3 Qe6 
       (better is 20...Qb6=) 
    21.Nf4+/– Qb6 22.Nd3 cd3 23.Bd3 Kf7 
       (23...a5 24.Rhe1+/–) 
    24.Rhe1 
       (24.a5 Qa7+– (24...Qa5?? 25.Nc4 Qd8 26.Nd6 Kg8 27.Rhe1+–)) 
    24...Qa5 
       (24...a5!?+/–) 
    25.Qd6+– Nb6 26.Nc2 Nec8 
       (26...g6+–) 
    27.Qb4 
       (better is 27.Qb8+–) 
    27...Qb4+/– 28.Nb4 
       (28.cb4 Re1 29.Re1 ab5 30.Bb5 Nd6+=) 
    28...a5 
       (28...Re1 29.Ke1 a5 30.Nc2+=) 
    29.Nc2 
       (29.Re8 Re8 30.Nc2 Nd6+/–) 
    29...Re1 
       (29...Nd6 30.Ne3+=) 
    30.Ne1 
       (30.Re1 h5 31.g5 fg5+=) 
    30...h5+= 31.h3 
       (31.g5 fg5 32.Ng2 Nd6+=) 
    31...hg4 32.hg4 Rh2 
       (32...Nd6 33.Ke2=) 
    33.Ke3+= Nd6 34.Kf4 Rh1 35.Nc2?? 
       (better is 35.Kg3+=) 
    35...Ra1–+ 36.Na1 Na4 37.Nb3? 
       (better is 37.Nc2!?–+) 
    37...b6 
       (37...Nc3?! 38.Na5 b6 39.Nc6 Ncb5 40.Ke3–/+) 
    38.g5 
       (38.Ke3 Nc3 39.f4 a4–+) 
    38...Nc3 39.gf6 gf6 40.Na5 
       (40.Na1–+) 
    40...ba5 41.b6 Na4 42.b7 Nb7 43.Bb5 
       (43.Ke3 Nb2 44.Ba6 Nd6–+) 
    43...Nc3 44.Bc6 a4 45.Bb7 
       (45.Ba4 Na4 46.Ke3–+) 
    45...a3 46.Ba6 a2 47.Bd3 a1Q 48.Ke3 
       (48.Bg6 Kg6 49.Kg3 Qg1 50.Kh3 Ne2 51.Kh4 Qg3) 
    48...Qg1 
       (48...Qe1 49.Kf4 Qg1 50.Bg6 Ke7 51.Be4 Qg5) 
    49.Kd2–+ Qd4 0–1
    
    
    
    (14) Schiefelbusch,Dirk (2060) – Dahm,Jochen (2235)
    Ruhrgebiet Regionalliga, 2003
    1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6 5.c4 c6 6.a4 Ne7 7.Nf3 0–0 8.d4 e4 
    9.Nfd2 f5 10.g3 Nd7 11.Nc3 Nf6 12.Be2 Be6 13.Qb3 Qd7 14.0–0 g5 
       (14...dc4 15.Bc4 Bc4 16.Qc4 Kh8 17.Ba3+=) 
    15.bc6 bc6 16.cd5 Ned5 17.Nd5 Bd5 18.Qc3 f4 19.Rfc1 fg3 20.fg3 Qh3 21.Bf1 
    Qh5 22.Nc4 Bg3? 
       (22...Be7 23.Ne5=) 
    23.hg3 Ng4 24.Rc2 Rf3 25.Ba3 Rg3 26.Bg2 Qh2 27.Kf1 Rg2! 28.Rg2 
       (28.Rg2 Bc4 Deflection (28...Bc4 Decoy)) 
    28...Qh1 29.Rg1 Qf3 30.Ke1 Qf2 31.Kd1 Qg1 32.Kc2 Qf2 33.Kc1 Qf1 34.Kd2 
    Qc4 35.Qc4 Bc4 36.Rg1 Be6 37.Bc5 
       (37.Rc1 Bd5 38.Rg1 h5–+) 
    37...Kf7 38.Rb1 h5 39.Rb7 Kg6 40.Ba7 
       (40.Ra7 Ra7 41.Ba7 h4–+) 
    40...h4 41.Ke2 h3 42.Kf1 
       (42.Bb8 Ra4 43.Rb2–+) 
    42...Rf8 43.Kg1 
       (43.Ke2 Rf2 44.Ke1 h2 45.Rh7 Kh7 46.a5 h1Q) 
    43...h2 44.Kg2 Rf2 45.Kh1 Rf1 46.Kg2 Rg1 
       (46...Rg1 47.Kh3 h1Q; 
       46...h1Q 47.Kg3 Qf3) 
    0–1
    
    
    
    (15) Schiefelbusch,Dirk (2155) – Richter,Kurt (2080)
    Dortmund op–A, 2004
    1.b4 e5+= 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Nc6 5.Bb2 Be7 6.c4 0–0 7.e3 d5 8.cd5 
    Nd5 9.Nf3 a6 10.Be2 Bf6 11.d4 Re8 12.0–0 Bf5 13.Nbd2 Nb6 14.Rc1 Qe7 
    15.Re1 Rad8 
       (15...Qd7 16.Qb3=) 
    16.Bf1 
       (16.Ba6 Nb4 17.ab4 ba6+/–) 
    16...Bg6 
       (16...Qd7 17.Qb3=) 
    17.Qb3 
       (17.Ba6!? Na5 18.Bf1+/–) 
    17...Qd7 18.h3 h6 19.Bc3 Qc8 20.a4 Nd5 21.Bb2 Na5 22.Qd1 Nc6 23.Ba3 Be7 
       (23...Nb6 24.Qb3=) 
    24.Be7+= Nde7 25.Qb3 Rd7 26.Rc5 b6 27.Rcc1 Na5 28.Qa3 Nec6 29.Rc3 Red8 
    30.Rec1 Qb7 31.Nb3 f6 
       (31...Nb3 32.Qb3 Be4 33.Nd2+=) 
    32.Na5+/– Na5 33.Qa2 Bf7 34.Qc2 c6 35.Qf5 Rd5 36.Qe4 Re8 37.Qd3 Ra8 38.Qb1 
    Rdd8 39.Bd3 Rab8 40.Be4 Bd5 41.Bd5 Rd5 42.e4 Rdd8 43.Re3 White intends 
    e5 43...Qf7 44.e5 Re8 45.Qd3 b5 46.Rce1 Nc4 47.R3e2 fe5 
       (47...ba4?? 48.e6 Qb7 49.Qc4+–) 
    48.de5 Rbd8 
       (worse is 48...ba4 49.e6 Qf4 50.Re4+=) 
    49.e6 Qf6 
       (49...Rd3?? 50.ef7 Kf7 51.Re8+–) 
    50.Qe4 Rd6 51.ab5 ab5 52.Qg4 ½–½
    
    
    
    (16) Schiefelbusch,Dirk – Hilverda,Alexander
    Dortmund op–A, 2003
    1.b4 e5+= 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.a3 Be7 6.Nf3 c5 7.e3 Nc6 8.Bb2 d5 
    9.cd5 Nd5 
       (9...Qd5 10.Nc3 Qd6 11.Rc1+=) 
    10.Nc3 Bf6 
       (10...Be6 11.Bb5+=) 
    11.Qc2 Re8 
       (11...Ne5 12.Ne5 Be5 13.Bd3=) 
    12.Be2 
       (12.Bd3 h6=) 
    12...Bg4 
       (12...Be6 13.0–0+=) 
    13.0–0 
       (13.Nd5 Bb2 14.Qb2 Qd5 15.Qb7 Rab8=) 
    13...Bc3 14.dc3 Qe7 15.Rfe1 
       (15.h3 Bf3 16.Bf3 Rad8+=) 
    15...Nc7 
       (15...Rad8 16.c4 Nf6 17.Red1=) 
    16.h3 
       (16.c4 Rad8=) 
    16...Bh5 17.c4 Rad8 18.Rad1 Bg6 19.Qc3 Do you see the mate threat? 
    19...f6 
       (19...Ne6 20.Ne5=) 
    20.Nh4 Ne5 
       (20...Bf7 21.Qc2=) 
    21.Ng6+= Ng6 22.Bf3 b6 23.Qc2 Ne5 24.Be4 g6 
       (24...h6+=) 
    25.f4 
       (25.Qa4!?+=) 
    25...Rd1= 26.Rd1 Nf7 27.Bg6 
       (27.Bc6 Qe3 28.Qf2 Qf2 29.Kf2 Re6+=) 
    27...Qe3+= 28.Kh1 hg6 29.Qg6 Kf8 30.Bf6 The passed pawn on f4 will 
    quickly become a dangerous weapon. The mate threat  30...Ne6 31.f5 
    Do you see the mate threat? 31...Qh6 
       (better is 31...Qe2 32.Rd7 Qf1 33.Kh2 Qf4 34.Kh1 Qc1 35.Kh2 Qf4 36.Kh1 Qf1 
       37.Kh2 Qf4=) 
    32.Qh6+/– Nh6 33.fe6 Re6 34.Bg5 
       (better is 34.Rd8 Kf7 35.Bc3+/–) 
    34...Nf5?? 
       (better is 34...Nf7 35.Bf4 Re4+/–) 
    35.Rf1+– Kg7 36.Rf5 Re1 
       (36...Kg6 37.g4 Re4 38.Bf4+–) 
    37.Kh2 Kg6 38.g4 
       (38.Bd2 Rd1 39.Rd5 Ra1+–) 
    38...Re2 
       (38...Re4 39.Kg3+–) 
    39.Kg3 Rc2 
       (39...Ra2 40.h4 Ra3 41.Kf2+–) 
    40.h4 Rc4 
       (40...Rc3 41.Rf3 Rc4 42.Bf4+–) 
    1–0
    
    
    
    (17) Schiefelbusch,Dirk (2155) – Wolter,Jens (2035)
    Dortmund op–A, 2004
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.a3 Be7 6.Nf3 Nc6 7.Bb2 d5 8.e3 Bg4 
    9.cd5 Nd5 10.Be2 Bf6 11.d4 Na5 
       (11...Re8 12.0–0=) 
    12.Nbd2 
       (12.Qc2 Re8=) 
    12...c5 13.0–0 Nc6 14.Ne4 cd4 15.Nf6 Nf6 16.Nd4 Be2 17.Qe2 Nd4 18.Bd4 
       (18.ed4?! Re8 19.Qf3 Rc8=) 
    18...Qe7 19.Qb2 b6 20.a4 Rfc8 21.a5 ba5 22.Ra5 h6 
       (22...Ne8 23.Rfa1+=) 
    23.Rfa1+/– Rc7 24.h3 Ne8 25.Ra6 Rb7 26.Qc2 Nc7 
       (26...Nd6 27.Qc6 Nc8 28.Qf3+/–) 
    27.Ra7 Rba7 28.Ra7 Ra7 29.Ba7 Ne6 30.Bb8 Qb4 31.Bg3 Qa5 32.Kh2 Qb6 33.Qe4 
    Qc5 34.Be5 Qe7 35.Bg3 Qc5 36.Qe5 Qe5 37.Be5 f6 38.Bc3 Kf7 39.g4 g6 40.Kg3 
    h5 41.gh5 gh5 42.Kh4 Kg6? 
       (42...Ng5 43.Bf6 Kf6 44.f4 Nf3 45.Kh5=) 
    43.Bd4?? 
       (better is 43.Bf6 Kf6 44.Kh5+–) 
    43...f5+/– 44.Be5 Ng5 45.Bf4 Ne6 46.Kg3 Kf6 47.Kf3 Nf8 48.Ke2 Ke6 49.Bh6 
    Ng6 50.Bg7 Kf7 51.Bd4 Ke6 52.Kd3 Kd5 53.Bg7 
       (53.f3 Ke6+/–) 
    53...Ne7 
       (53...Nh4 54.Bh6+/–) 
    54.Bf6 Ng6 55.f3 Ke6 56.Bg5 Ne5 57.Ke2 Ng6 58.Bd8 Kd5 59.Bc7 Ke6 60.Kd3 
       (60.e4!?+/–) 
    60...Nh4+= 61.Ke2 Ng6 62.e4 fe4 63.fe4 Nf8 64.Kf3 Kf6 65.Ba5 Ne6 66.Bc3 
    Kg5 67.Kg3 Kg6 68.h4 Kf7 69.Kf3 Kg6 70.Ke3 Kf7 71.Be5 Nf8 72.Kd4 Ke6 
    73.Bg3 White prepares e5 73...Ng6 74.e5 
       (better is 74.Kc4+/–) 
    74...Kf5= 75.Kd5 Nf8?? 
       (75...Kg4 76.Be1 Kf5 77.e6 Nf4 78.Kd4 Ne6 79.Ke3=) 
    76.Be1?? 
       (76.Kd6 Ne6+–) 
    76...Ne6?? 
       (76...Nd7 77.Bc3 Nb6 78.Kd4=) 
    77.Bg3 Nf8 78.Kd6 Ne6 79.Ke7 
       (79.Bf2!?+–) 
    79...Nd4+/– 80.Kf7 
       (better is 80.Kd7!?+/–) 
    Ne6 ½–½
    
    
    
    (18) Schiefelbusch,Dirk (2130) – Bluebaum,Karl Ernst (2270)
    Dortmund op–A, 2005
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 
    d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0–0 Qe7 11.a3 Ba5 12.Qb3 
    Rad8 13.d4 Nf4 
       (13...Bb6 14.dc5 Bc5 15.Nc3=) 
    14.Bd1 
       (better is 14.Bc4!? Ng6 15.Qb5+=) 
    14...c4 15.Qa2 
       (15.Qc4 Bd3 Double attack (15...Bd3 Decoy)) 
    15...Nd3 16.Bc3 b5 17.Ba5 Na5 18.Nc3 a6 19.Nd2 Bg6 20.Bf3 Qa7 21.Nd5 Rc8 
    22.Nc3 Rfe8 23.Rad1 Nb7 24.Nde4 Qb6 25.Nd2 Nd6 26.Ra1 
       (26.Be2 a5–/+) 
    26...a5 27.Rfb1 b4 28.Nd5 Qb8 Black intends c3 
       (28...Qd8 29.ab4 Nb4 30.Nb4 Bb1 31.Qa5 Qa5 32.Ra5–/+) 
    29.ab4+= ab4 30.Qa5 c3 31.Nb3 
       (31.Nb4 Nf2 
         A) 32.Kf2? Bb1 (32...cd2?! 33.Nc6 Qc7 34.Rd1=) 33.Nb1 c2–+;
         B) 32.Na6+=) 
    31...Nc4–/+ 32.Qa6 Na3 33.Rf1 Re6 
       (33...Nc2 34.Rab1–/+) 
    34.Qa4+= Qd6 
       (34...Nc2 35.Ra2 Nce1+=) 
    35.e4 
       (better is 35.Nb4 Nb4 36.Qa3+=) 
    35...Be4–/+ 36.Be4 Re4 37.Nb4 Qb4 38.Ra3 
       (38.Qb4 Nb4 39.Ra3 c2–/+) 
    38...Qa4 39.Ra4 c2 40.Nc1 
       (better is 40.Raa1–+) 
    40...Nb2?? 
       (better is 40...Nc1 41.Rc1 Re1 42.Re1 c1Q–+) 
    41.Rb4 
       (41.f3 Re3 42.Ra7 Nd3–/+) 
    41...Nd1 
       (41...Nc4 42.Nb3 Re2 43.Nc5–+) 
    42.f3–/+ Re7 43.Rb3 Kf8 44.Rd3 Rc4 
       (better is 44...Rb7!? 45.Rb3 Rb3 46.Nb3 Rd8–+) 
    45.Rd2 Rd7 46.Ne2 Re7 47.Nc1 Re3 48.h4 Ke7 49.Kh2 
       (49.Rdd1!? cd1R 50.Rd1–/+) 
    49...Kd6 50.Kg3 Ra3 51.Re1 Ra1 52.Nd3? 
       (52.Ne2 Rb1–+) 
    52...c1Q 
       (better is 52...Rd4!? 53.Rc2 Rd3 54.Rc8–+) 
    53.Nc1 Rcc1 54.Re8 Nc3 55.Rg8 g6 56.Rg7 Ke6 57.Rh7 Ra2 
       (better is 57...Rd1!? 58.Rc2 Ra3 59.Rb2 Ne4 60.Kf4–+) 
    58.Ra2–/+ Na2 59.h5 Nc3 
       (59...gh5!? 60.Rh5 Rd1–+) 
    60.hg6–/+ fg6 61.Rg7 
       (61.Kf4 Rg1 62.g4 Kf6–/+) 
    61...Kf6–+ 62.Rd7 ½–½
    
    
    
    (19) Schiefelbusch,Dirk (2130) – Wagner,Mirco (1935)
    It (open) Dortmund (Germany), 2005
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8 8.Bb2 
    Nf4 9.a3 Bd6 10.d4 Bf5 11.Nc3 
       (11.Ne5 
         A) 11...Nd5 
            A1) 12.Qb3 Be5 13.de5 Nb6 14.Nd2 N8d7 15.Nf3+=;
            A2) 12.Qf3 Be5 (12...Be6 13.Bd3 Be5 14.de5 Nc6 15.Nd2=
             ) 13.Qf5 Ne3 14.fe3 Bd4 15.Bd4+=;
            A3) 12.Nc3;
            A4) 12.Nc4;
            A5) 12.Qh5 Be6 13.Nc3 Nf6 14.Qg5 c6 15.Be2+=;
         B) 11...Ng6 
            B1) 12.Qf3 Be5 (12...Qc8 13.Ng6 Be4 14.Qd1 Bg6 15.Nc3=/
             9) 13.de5 Qc8 14.Qg3 Qe6 15.Nd2+=;
            B2) 12.Nc4 Nc6 (12...Be7 13.Qb3 b6 14.Be2 a6 15.Bf3=
             ; 12...Bf8 13.Qb3 b6 14.Be2 Qg5 15.g3+=) 13.Qb3 
             Rb8 14.d5 Nce5 15.Nd6+=;
            B3) 12.Ng6 Bg6 13.Nc3 c6 14.Bd3 Bd3 15.Qd3+=;
         C) 11...Be5 12.de5 Nd3 (12...Qd1 13.Kd1 Ng6 14.f4 Nc6 15.Nc3= 
         ) 13.Bd3 Bd3 14.Bd4 Bf5 15.0–0+=; 
       11.Qb3 
         A) 11...b6 
            A1) 12.Nc3 Nc6 (12...a5 13.Rd1 Nd7 14.Nb5 a4 15.Qc4=
             ; 12...c6 13.Rd1 Nd7 14.Ne2 Nd5 15.Ng3=) 13.Nb5 
             Be4 14.Rc1 Bd5 15.Qd1+=;
            A2) 12.Ne5 Be5 13.de5 Ng6 14.Qc3 Qe7 15.Nd2+=;
            A3) 12.Nbd2 Nc6 (12...Be6 13.Qc2 Nd7 14.Ne5 Be5 15.de5= 
            ; 12...a5 13.Nc4 a4 14.Qd1 Be4 15.Rc1+=; 
             12...a6 13.Bc4 Qd7 14.Ng5 Bg6 15.0–0=; 12...Qd7 
             13.d5 c6 14.Qc3 f6 15.dc6=) 13.g3 Na5 14.Qb5 Bd7 
             15.Qa6+=;
            A4) 12.g3 Be6 (12...Ne6 13.Bg2 c6 14.Nh4 Bg4 15.h3=
             ; 12...Nh3 13.Nbd2 c6 14.d5 c5 15.Nc4=; 12...Ng6 
             13.Bg2 c6 14.0–0 Nd7 15.Rc1=) 13.Bc4 Bc4 14.Qc4 Nd5 
             15.0–0=;
         B) 11...Nd7 
            B1) 12.Nc3 Nb6 (12...Be6 13.Qc2 c6 14.g3 Bg4 15.Nd2+=
             ) 13.Nb5 Be4 14.Rc1 Bd5 15.Qc2+=;
            B2) 12.h3 a6 (12...Nb6 13.Nbd2 a5 14.Ne5 Be5 15.de5+=
             ; 12...Qe7 13.Nc3 Nb6 14.Nb5 Rec8 15.Rc1+=; 
             12...Be6 13.Qc2 Qf6 14.Nbd2 Bf5 15.Qb3+=; 12...Qf6 
             13.Nbd2 Nb6 14.Ne5 Nfd5 15.Rc1+=; 12...Rb8 13.Nc3 
             Be6 14.Qc2 c6 15.g3+=; 12...Re7 13.Nbd2 Nb6 14.Ne5 
             Be5 15.de5+=) 13.g3 Nd5 14.Bg2 Be6 15.Qd3+=
             ;
            B3) 12.Nbd2 Nb6 (12...Be6 13.Qc2 Bd5 14.0–0–0 Ng6 15.e4+= 
            ) 13.Ne5 Be5 14.de5 Ng6 15.Nf3+=) 
    11...a6 
       (11...Nd7 
         A) 12.Rc1 c6 (12...Nb6; 12...a6) 13.g3 Ng6 14.d5 Qb6 15.Qd2+= 
         ;
         B) 12.Nb5 Bf8 (12...Be4 13.Nc3 Bg6 14.g3 Ne6 15.Nh4=) 
          13.Ne5 Nd5 14.Qf3 Be6 15.Nc3+=;
         C) 12.Qb3 Bg4 (12...Be6 13.Qc2 c6 14.g3 Bg4 15.Nd2+=; 
          12...Nb6 13.Nb5 Qe7 14.Ne5 Nfd5 15.Rc1+=; 12...b6 
          13.Nb5 Be4 14.Rc1 Nf6 15.Qc4+=; 12...Rb8 13.Nb5 Be4 
          14.Rc1 Nf6 15.Nd6+=) 13.Nb5 Bf8 14.h3 Be6 15.Qc2+= 
         ;
         D) 12.g3 Ng6 13.Nd2 c6 14.Qf3 Be6 15.Nde4+=; 
       11...Nc6 
         A) 12.Rc1 Qf6 (12...Bg4 13.h3 Bh5 14.Nb5 Bf8 15.g4+=; 
          12...Rb8 13.g3 Ng6 14.Nb5 Be4 15.Bg2=; 12...Qd7 13.g3 
          Ng6 14.Nb5 Be4 15.Be2=; 12...Rc8 13.g3 Ng6 14.Bg2 Qf6 
          15.0–0=; 12...Qe7 13.g3 Ng6 14.Nb5 Rad8 15.Nd6+= 
         ; 12...a6 13.g3 Ng6 14.Bg2 Qe7 15.Qb3=) 
          13.d5 Ne5 14.Ne5 Be5 15.g3+=;
         B) 12.g3 Nh3 (12...Ng6 13.Bg2 Qf6 14.Qb3 Rab8 15.0–0= 
         ) 13.Nb5 Qf6 14.Nd6 cd6 15.Be2+=;
         C) 12.Qb3 a6 (12...Bg4 13.Qb7 Bf3 14.gf3 Nd4 15.0–0–0= 
         ; 12...Rb8 13.Nb5 Be6 14.Qa4 Qf6 15.Kd2+=; 12...Qd7 
          13.Rd1 Bg4 14.Ne2 Be6 15.Qc2+=; 12...Bd3 13.0–0–0 Bf1 
          14.Rhf1 Ng2 15.Qb7=; 12...b6; 12...Qc8) 13.0–0–0 
          Qd7 14.ef4 Bf4 15.Nd2–+;
         D) 12.Nb5 a6 (12...Rc8 13.Rc1 a6 14.Nd6 cd6 15.Nd2+=; 
          12...Be7 13.Ne5 Ne5 14.de5 Nd5 15.Qf3=; 12...Be4 
          13.Rc1 a6 14.Nc3 Bf5 15.g3+=; 12...Rb8 13.Nd6 Qd6 14.g3 
          Nd5 15.Bg2+=; 12...Qe7 13.Nd6 Qd6 14.Ne5 Ne5 15.de5+= 
         ; 12...Bf8 13.Ne5 Ne5 14.de5 Nd5 15.Qf3=) 
          13.Nd6 cd6 14.Nd2 Bd3 15.Qf3+=; 
       11...c6 
         A) 12.g3 Ng6 (12...Nd5 13.Nd5 cd5 14.Nh4 Be6 15.Bd3+= 
         ; 12...Nh3 13.d5 cd5 14.Qd5 Be4 15.Qh5=) 13.d5 Ne5 
          14.Ne5 Be5 15.Bg2+=;
         B) 12.Rc1 Qe7 (12...Qa5 13.g3 Nd5 14.Qb3 b5 15.Nd2+=; 
          12...Nd7 13.g3 Ng6 14.d5 Qb6 15.Qd2+=; 12...Qb6 13.Qd2 
          Bd3 14.Bd3 Qb2 15.Bc2=; 12...Bg4 13.h3 Bh5 14.Qb3 b6 
          15.Nb1+=) 13.g3 Ng6 14.Qa4 a5 15.Be2+=;
         C) 12.Qb3 Qc7 (12...b6 13.Rd1 Nd7 14.Ne2 Nd5 15.Ng3= 
         ; 12...Qe7 13.Ne5 Be5 14.de5 Ne6 15.Qd1+=; 12...b5 
          13.Ne5 Be5 14.de5 Re5 15.Rd1=; 12...Qd7 13.Rd1 Bg4 
          14.d5 Na6 15.dc6=; 12...Qc8 13.Rd1 Qc7 14.d5 Nd7 
          15.dc6+=) 13.g3 Nd3 14.Bd3 Bd3 15.Nh4+=;
         D) 12.h3 Qf6 (12...Qe7 13.Qb3 b5 14.d5 b4 15.Nd4+=; 
          12...Qa5 13.Qd2 Na6 14.Ne4 Qd2 15.Ned2=; 12...Qb6 
          13.Qd2 Qa5 14.g4 Bg6 15.Nh4+=; 12...Nd7 13.g3 Nd5 
          14.Nd5 cd5 15.Bg2+=; 12...a6; 12...Qd7) 13.Qb3 Nd7 
          14.0–0–0 Nd5 15.Be2–/+;
         E) 12.Ne5 Be5 13.de5 Nd3 14.Bd3 Bd3 15.Ne2+=; 
       11...Qd7 12.d5 (12.g3; 12.Rc1; 12.Qb3) 12...h6 (12...c6 13.dc6 
       Nc6 14.Nb5 Rad8 15.Nd6=; 12...Bg4 13.h3 Bf5 14.g3 Ng6 
       15.Nd4=; 12...a5 13.g3 Nh3 14.Nd4 Be5 15.Be2=; 
       12...Re7 13.g3 Ng6 14.h3 Qd8 15.Rc1=; 12...a6 13.g3 Nh3 
       14.Nd4 Be5 15.Bg2=; 12...Kh8 13.g3 Ng6 14.Nd4 Bh3 15.Bh3= 
      ) 13.g3 Ng6 14.Nd4 Bh3 15.Qa4=) 
    12.g3 Ng6 
       (12...Nh3 13.Nh4 Bd7 14.Bd3 Ng5 15.0–0=) 
    13.Bg2 Nc6 14.0–0 Qd7 
       (14...Rb8 15.Re1=) 
    15.Re1 
       (15.Ng5=) 
    15...Na5 16.Qe2 Rac8 17.e4 c5 18.d5 
       (18.Rad1!? cd4 19.Rd4=) 
    18...Bg4+= 19.Qf1 Nb3 
       (19...b5 20.h3 Bf3 21.Bf3+=) 
    20.Rad1+= c4 
       (20...b5 21.h3 Bf3 22.Bf3+=) 
    21.h3= Bf3 22.Bf3 Ne5 23.Be2 Bc5 24.Kh2 Nd4 25.f4 Ne2 26.Qe2 
       (26.fe5 Nc3 27.Bc3 Ba3+=) 
    26...Nd3–/+ 27.Rd3 cd3 28.Qd3 b5 29.e5 b4 30.ab4 Bb4 31.d6 
       (31.Rd1 Red8+=) 
    31...a5 32.Re2 Bc3 33.Bc3 Rc5 34.f5 Qc6?? 
       (better is 34...h6+=) 
    35.Bb2 
       (better is 35.d7 Rd8 36.e6 fe6 37.fe6+–) 
    35...Rd5+= 36.Qe4? 
       (36.Qf3!? Qc4 37.Rg2+=) 
    36...f6 
       (better is 36...Rd6 37.Qg4 Rd1–+) 
    37.Rc2?? 
       (better is 37.Qg4 fe5 38.f6–/+) 
    37...Rd2!!–+ 38.Rd2 Qe4 39.d7 Rd8 40.e6 Qb4 
       (40...Qe3 41.Rc2 Kf8 42.Bc1–+) 
    41.Re2 Kf8 
       (better is 41...Qb5 42.Rd2 Qc5–+ (42...Qf5?? 43.e7 Qd7 44.ed8R Qd8 45.Rd8 
       Kf7 46.Ra8+–)) 
    42.Bc3–/+ Qe7 
       (42...Qc3 43.e7) 
    43.Ba5 
       (better is 43.Ra2!?–/+) 
    43...Rd7–+ 44.Bb4 Rd6 
       (44...Qb4 45.ed7) 
    45.g4 
       (45.Ra2 g6 46.Ra8 Kg7 47.Ra6–+) 
    45...Ke8 46.Bd6 Qd6 47.Kg2 Qd3 48.Rf2 Ke7 49.Rf3 Qe4 50.Kf2 h5 
       (50...g6 51.Re3 Qc2 52.Re2 Qc5 53.Ke1 gf5 54.gf5 Qc3 55.Rd2 Qh3 
       56.Rf2–+) 
    51.Re3 
       (51.gh5 Qh4 52.Ke2 Qh5–+) 
    51...Qf4 52.Rf3 Qh2 53.Ke3 Qg1 54.Kf4 h4 
       (54...hg4 55.hg4 g5 56.fg6 Qh2 57.Ke3 Qh6 58.Rf4 Ke6 59.g7 Qg7 60.Re4 
       Kd5 61.Rd4 Kc5 62.Rf4–+) 
    55.Rd3 
       (55.Ke4 g6 56.fg6 Qb1 57.Kd4 Qg6–+) 
    55...Qf2 56.Ke4 Qe2 
       (better is 56...g6!? 57.Rd7 Ke8 58.Rd3 Qe2 59.Re3 Qc4 60.Kf3 Qd5 61.Ke2 gf5 
       62.gf5 Qb5 63.Ke1 Qf5 64.Ke2–+) 
    57.Re3 Qc2 58.Kf3 
       (58.Kd4 g6 59.fg6 Qd2 60.Ke4 Ke6 61.Kf3 Kd6–+) 
    58...g6 59.fg6 Qg6 60.Kf2 Qc2 61.Re2 Qd3 62.Re3 Qd2 63.Kf3 Qh2 64.Ke4 Ke6 
    65.Rf3 
       (65.Kd4 Kd6–+) 
    65...Qe5 
       (better is 65...Qe2!? 66.Re3 Qc4 67.Kf3 Kd5 68.Kf2–+) 
    66.Kd3 Qd5 67.Ke3 
       (67.Ke2 Qa2 68.Ke3 Qg2–+) 
    67...Qc4 
       (67...Qd1 68.Ke4 Qe2 69.Re3 Qc4 70.Kf3 Kd5 71.Kf2–+) 
    68.Kf2 Ke5 69.Re3 Kd4 70.Rf3 Qc2 71.Kf1 
       (71.Kg1 Qe2 72.Rf6 Qe1 73.Kg2 Qg3 74.Kf1 Qh3 75.Ke1 Qg3 76.Kd2 h3–+) 
    71...Ke4 72.Rf6 
       (72.Rf2 Qd3 73.Kg1 Qh3 74.Re2 Kf3 75.Rf2 Kg4 76.Rg2 Qg3–+) 
    72...Qh2 
       (72...Qd3 73.Kg2 Qg3 74.Kf1 Qh3 75.Kf2 Qe3 76.Kf1 Qc1 77.Kf2 Qb2 
       78.Kg1 Qf6 79.Kg2 Qf3 80.Kh2 h3 81.g5 Qg2) 
    73.g5 
       (73.Re6 Kf3 74.Rf6 Ke3 75.Re6 Kd2 76.Rf6 Qh3 77.Kg1 Qe3 78.Kf1 Qd3 
       79.Kg2 Qe4 80.Kf2 Qd4 81.Kf1 Qf6 82.Kg2 Qf4 83.Kh1 Qf3 84.Kh2 h3 85.g5 
       Qg2) 
    73...Qh3 74.Kg1 Qg3 75.Kf1 Qg5 76.Rf2 
       (76.Rf7 Qc1 77.Kf2 Qc5 78.Kg2 h3 79.Kh3 Qh5 80.Kg2 Qf7 81.Kg3 Qf3 
       82.Kh2 Qg4 83.Kh1 Kf3 84.Kh2 Qg2) 
    76...h3 77.Rh2 Qg3 
       (77...Qc1 78.Kf2 Qf4 79.Kg1 Qg3 80.Kf1 Qh2 81.Ke1 Ke3 82.Kf1 Qf2) 
    78.Re2–+ Kf3 
       (better is 78...Kd4–+) 
    79.Re3= Ke3 ½–½
    
    
    
    (20) Schiefelbusch,Dirk (2060) – Gorzinski,Dariusz (1885)
    Dortmund–ch, 2005
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 b6 6.e3 Bb7 7.Be2 d5 8.cd5 Bd5 
    9.0–0 Bd6 10.Bb2 Ne4 
       (10...c6 11.Nc3=) 
    11.d3+= Ng5 12.e4 
       (12.Nc3 Bc6+=) 
    12...Bb7 13.Nbd2 c5 14.Nc4 Be7 15.Ne3 Nc6 16.Nf5 Ne6 17.Qd2 f6 
       (17...Bf6 18.e5 Be7 19.Rfd1=) 
    18.Bd1 Ned4 
       (18...Re8 19.Bb3 Bd6 20.d4 cd4 21.Rad1+=) 
    19.N3d4+= Nd4 20.Nd4 cd4 21.Bb3 Kh8 22.f4 Bc5 23.f5 Qd6 24.Rf3 Rac8 
    25.Raf1 
       (25.Qf2 Be4 26.de4 d3=) 
    25...Bb4 26.Qf2 Attacking the isolated pawn on d4 26...Rc7 
       (better is 26...Bc3!?=) 
    27.Rh3+/– 
       (27.Qd4?? Bc5 28.Qe3 Be3 29.Re3 Re8–+) 
    27...h6 28.Bc1 
       (28.Qd4?? Bc5 29.Qe3 Be3 30.Re3 Re8–+; 
       28.Bd4?! Rd8 29.Be3 Qe5+/–) 
    28...Rc1 
       (better is 28...Re7!?+/–) 
    29.Rc1+– Ba3 30.Rf1 
       (30.Rc4 Bc5+–) 
    30...Bc5 31.Qh4 Qe7 32.Qg4 Bd6 33.Rc1 Rc8?? 
       (better is 33...Re8+–) 
    34.Rc8 Bc8 
       (34...Qf8 35.Rf8 Bf8 36.Rh6 gh6 37.Qg8) 
    35.Rh6!! 
       (35.Rh6 gh6 36.Qg8) 
    1–0
    
    
    
    (21) Schiefelbusch,Dirk (2105) – Cebulla,Konstantin (1975)
    Dortmund GER, Sparkassen Open, 2012
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 d5 6.cd5 Nd5 7.e3 c5 8.Be2 Nc6 
    9.Bb2 Bg4 10.0–0 Ba5N 
       (10...Qe7 11.Qc2 (11.a3 Ba5 12.Qa4 Bh5 13.Nc3 Nb6 14.Qf4 Rad8 
       15.Rfd1 Rfe8 16.Qg3 f5 17.d3 Rd6 18.Nh4 Bg6 19.Nb5 Rd7 20.Ng6 hg6 
       21.Qg6 Brauer,C–Kahn,E/corr 1976) 11...Rfd8 12.a3 Ba5 13.Rc1 b6 
       14.Qa4 (14.d4 cd4 15.Ne5 Ne5 16.Bg4 Ng4 17.Bd4 Nde3 18.Be3 Qe5 19.Ra2 
       Qh2 20.Kf1 Qh1 21.Ke2 Qg2 0–1 Dopper,J–Bothe,E/corr SOK–92–91 1992 
      ) 14...Bd7 15.Qc4 Bf5 16.Nc3 Nc3 17.Bc3 Bc3 18.Rc3 Be4 19.d3 Bd5 
       20.Qf4 Rd6 21.h4 Rad8 22.h5 Rf6 23.Qg3 Qd6 24.Qd6 Rfd6 25.Nh4 
       Miralles,G–Gulko,B/Marseille 1986/0–1 (49); 
       10...Re8 11.h3 Bh5 12.d4 Bf3 13.Bf3 c4 14.Qc2 b5 15.a4 ba4 16.Qc4 Nce7 
       17.Ra4 Rc8 18.Qb3 Qd7 19.Rb4 Nb4 20.Qb4 Rb8 21.Qd2 Qb5 22.Ba3 Qb1 
       23.Rb1 Rb1 24.Kh2 Nf5 25.Bc5 carocan (1875)–konciwoko (1715)/kurnik 
       2011/1–0 (33)) 
    11.d4 cd4 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 
       (worse is 14.ed4 Re8 15.Qb5 a6–/+) 
    14...Nf4 15.Qb2 
       (worse is 15.ef4 Qd4 16.Qe5 Qe5 17.fe5 Bc7–/+) 
    15...Ne6 16.Be5 Qd5 17.Na3 Rfd8 18.Rab1 Rac8 19.Bg3 Rd7 20.h3 a6 21.Rfc1 
    Rc1 22.Qc1 
       (22.Rc1 b5+=) 
    22...h6 
       (better is 22...Qa2!? 23.Nc4 Bc3–/+) 
    23.Qc8 Kh7 24.Qc2 g6 25.Nc4 Bc7 26.Nb6 Bb6 27.Rb6 Qd1 28.Qd1 Rd1 29.Kh2 
    Rd7 30.Be5 g5 31.f4 Nd8 32.g4 Nc6 33.Bb2 Ne7 34.fg5 hg5 35.Kg3 Nd5 36.Rb3 
    b5 37.Rd3 a5 38.Kf3 Kg6 39.Ke4 Nf6 40.Bf6 Rd3 41.Kd3 Kf6 42.Kd4 Ke6 
    43.Kc5 f5?? 
       (better is 43...b4=) 
    44.gf5+– Kf5 45.Kb5 Ke4 46.Ka5 Ke3 47.Kb5 Kf3 48.a4 Kg3 49.a5 Kh3 50.a6 
    g4 51.a7 g3 52.a8Q g2 53.Qf3 Kh2 54.Qf2 
       (better is 54.Qf4 Kh1 55.Qh6 Kg1+–) 
    54...Kh1 55.Qh4 Kg1 56.Kc4 Kf1 57.Qf4 Ke2 58.Qg3 Kf1 
       (58...g1Q 59.Qg1 Kf3 60.Qf1 Kg4 61.Qf6 Kg3 62.Qg5 Kf3 63.Kd3 Kf2 
       64.Qe3 Kg2 65.Ke2 Kh2 66.Kf2 Kh1 67.Qh6#) 
    59.Qf3 
       (59.Qf3 Kg1 60.Qf6 Kh2 61.Qh4 Kg1 62.Kd3 Kf1 63.Qf4 Kg1 64.Qf6 Kh1 
       65.Qh8 Kg1 66.Ke3 Kf1 67.Qa1#) 
    1–0
    
    
    
    (22) Schiefelbusch,Dirk (2060) – Eismont,Igor (2170)
    Dortmund–ch, 2005
    1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 Re8 6.e3 d5 7.a3 Ba5 8.cd5 Nd5 
    9.Be2 Bg4 10.Bb2 c5 11.0–0 Nc6 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 15.Qc2 
    Bf5 16.Qb2 b6 17.Rfd1 Be4 18.Nd2 Bd5 19.Bf3 Rad8 20.Qc2 Bf3 21.Nf3 g6 
       (21...Rd1 22.Rd1 Rd8 23.Rd8 Qd8 24.Nd2=) 
    22.h3 Na5 23.e4 Qe6 24.e5 Nc4 25.Rd8 Rd8 26.Re1 h6 27.a4 Kg7 28.h4 a6 
    29.Qe4 Nd2 30.Nd2 Rd2 31.Re2 
       (31.h5 gh5 32.Re3 Rd5+=) 
    31...Rd5 
       (better is 31...Qa2! 32.Rd2 Qd2–/+) 
    32.Re1+= b5 33.ab5 ab5 34.g3 c4 35.Re3 Rd1 36.Re1 Rd3 37.Re3 Rd1 38.Re1 
    Rd5 39.Re3 Kf8 40.Re1 Ke7 
       (40...Kg8 41.Qf4+=) 
    41.Qe3= Qf5 42.e6 fe6 43.Qh6 Qf6 
       (43...Rd8 44.Qg7 Qf7 45.Qe5=) 
    44.Qe3 
       (44.Ra1 Rd7+= (44...Qc3 45.Ra7 Rd7 46.Qh7 Kf6 47.Rd7 Qe1 48.Kg2 Qe4 
       49.Kh2 Qg2 50.Kg2 g5 51.Qf7 Ke5 52.f4 gf4 53.Qf4)) 
    44...Kf7 45.Qa7 Qe7 46.Qe3 Qf6 47.Qa7 Qe7 48.Qe3 ½–½
    
    
    
    (23) Schiefelbusch,Dirk – Klein,Felix
    Dortmund op–A, 2003
    1.b4 
       (1.Nf3 Nf6=) 
    1...e5+= 2.Bb2 Bb4 3.Be5 Nf6 4.c4 
       (4.c3 Be7+=) 
    4...0–0 5.Nf3 
       (5.a3 Nc6 6.Bc7 Qc7 7.ab4 d5+=) 
    5...Re8 
       (5...d6 6.Bc3 Bc3 7.Nc3+=) 
    6.e3 d5 7.a3 Bf8 
       (7...Be7 8.d4+=) 
    8.cd5 
       (8.d4 Nbd7=) 
    8...Nd5 9.Be2 
       (9.d4 Nc6+=) 
    9...Nc6 10.Bb2 Bf5 
       (10...Be6 11.0–0+=) 
    11.0–0 Qe7 
       (11...Bd6 12.Bb5+=) 
    12.Nc3 
       (12.Bb5 Qd6=) 
    12...Nb6 
       (12...Nc3 13.Bc3 Qd7 14.Bb5=) 
    13.d4 
       (13.Bb5 Qd6=) 
    13...Rad8 14.Na4 
       (14.Bb5 Rd6=) 
    14...Nd5 
       (14...Qe6 15.Nb6 ab6 16.Qd2=) 
    15.Re1 
       (15.Bb5 Qf6=) 
    15...Qf6 
       (15...a6 16.Qc1 Qf6 17.Nc5 Bc5 18.Qc5=) 
    16.Rc1 
       (16.Qb3 Na5 17.Qb5 b6=) 
    16...Be4 
       (16...a6 17.Nc5=) 
    17.Nc5 Bc5 18.Rc5 Nce7 
       (18...Qg6!?=) 
    19.Nd2+= Bg6 
       (19...Qe6 20.Ne4 Qe4 21.Bd3+=) 
    20.Qb3 
       (20.e4 b6 21.Rd5 Nd5 22.ed5 Rd5+/–) 
    20...Qb6? 
       (better is 20...b6!? 21.Rcc1 Nf5=) 
    21.Rb5+/– Qd6 
       (21...Qf6 22.Rb7 Nc6 23.Rb5+–) 
    22.Rb7+– Nc6 23.Rb5 
       (23.Bb5 a6 24.Be2 Na5+/–) 
    23...h6 
       (23...a6 24.Rc5+–) 
    24.Rc1+– Nb6 
       (24...Nce7+–) 
    25.Rbc5 Ne7 
       (25...Ne5 26.Nf1 Ned7 27.Rc7+–) 
    26.Bf3 
       (26.Rc7 a5+–) 
    26...Ned5 
       (26...Nbd5 27.Nc4 Qe6 28.Qb7+–) 
    27.e4 
       (27.Rc6 Qe7 28.e4 Nf4+–) 
    27...Nf4 
       (27...Qf4 28.Qc2+–) 
    28.d5 
       (28.Rc6 Qe7 29.Rc7 Qg5+–) 
    28...Rc8 
       (28...Rb8 29.Rc6 Qf8 30.Bd4 (30.Rc7 Nbd5 31.Rb7 Rb7 32.Qb7 Rb8 
       33.Qa7 Rb2 34.ed5 Rd2+=) 30...Be4 31.Ne4 (31.Be4 Ne2 32.Kh1 Nd4–+) 
       31...Re4 32.Qd1+– (32.Be4?! Ne2 33.Kh1 Nd4+=)) 
    29.Rc6 
       (29.Qc3 f6 30.Rc6 Qd7 31.Rc7 Qd8+–) 
    29...Qd7 30.h3 
       (30.Rb1 Bh7 31.Bc3 Rb8+–) 
    30...Bh5 
       (30...a6 31.Bd4+–) 
    31.Qc3 
       (31.Bh5 Nh5 32.Qf3 Nf6 33.Bf6 gf6 34.Qf6 Qe7+–) 
    31...f6 
       (31...f5 32.Bh5 Nh5 33.Qf3+–) 
    32.Bh5 
       (32.Rc7?! Bf3 33.Rd7 Ne2 34.Kh2 Nc3 35.Ra7 Ne4 36.Nf3 Nd5+/–) 
    32...Nh5 33.Qf3 
       (33.Rc7 Rc7 34.Qc7 Qa4+–) 
    33...Qf7 34.g4 Qg6 35.Kh1 
       (better is 35.Bc3 Qg5 36.h4 Qf4 37.gh5 Qf3 38.Nf3 Re4+–) 
    35...Qg5 36.gh5 
       (36.R1c2 Nf4+–) 
    36...Qd2 37.Bf6! gf6?? 
       (37...Nd5 38.ed5 gf6 39.Rg1 Qg5 40.Rg5 hg5 41.Qf6 Re1 42.Kh2 Ree8 
       43.h6 Re7 44.Qe7 g4 45.Qg7) 
    38.Rg1 Kh7 
       (38...Qg5 39.Rg5 hg5 40.Qf6 Nd7 41.Qg5 Kf7 42.Qf4 Ke7 43.Re6 Kd8 
       44.Qh4 Nf6 45.Qf6 Kd7 46.Qf7 Re7 47.Qe7) 
    39.Qf5 
       (39.Qf5 Kh8 40.Qf6 Kh7 41.Qg7) 
    1–0
    
    
    
    (24) Schiefelbusch,Dirk (2130) – Buckels,Valentin (1975)
    Dortmund GER, Sparkassen Open, 2013
    1.b4 e5+= 2.Bb2 Bb4 3.Be5 Nf6 4.c4 
       (4.a3 Be7+=) 
    4...0–0 5.Nf3 Re8 6.e3 d5 7.cd5 Nd5 8.Bb2 Nf4 
       (8...Nc6 9.Bb5+=) 
    9.a3 
       (9.Ne5 Ne6=) 
    9...Bf8 
       (9...Bd6 10.d4+=) 
    10.Qa4 
       (10.Ne5 Nd5=) 
    10...Ne6 
       (10...Bd6 11.Qd4 Nh5 12.Bc4=) 
    11.d4 a6 12.Be2 c5 13.0–0 cd4 14.Nd4 Nd4 15.Qd4 Nc6 16.Qd8 Rd8 17.Bf3 Be6 
    18.Nc3 
       (18.Rd1 Rd1 19.Bd1 Rd8–/+) 
    18...Rd2 
       (18...Ne5!?–/+) 
    19.Rab1= Na5 20.Ne4 Rd7 
       (20...Rc2 21.Bc3 Nc4 22.a4+=) 
    21.a4 
       (21.Ng5 Nc4=) 
    21...Rad8+= 22.Bd4 Nc4 
       (22...Bf5 23.g4 Bg6 24.Bb6=) 
    23.Rfc1= h6 24.Be2 Bf5 25.Rc4 Be4 26.Rb6 Bd6 27.f3 Bc6 28.Kf2 Be7 
       (28...Bd5 29.Rc2=) 
    29.g3 
       (29.Rbc6 bc6 30.Rc6 a5+=) 
    29...Rd5 30.h4 R8d7 31.f4 Ra5 Exerts pressure on the isolated pawn 
    32.Bd1 
       (32.Bf3 Bf3 33.Kf3 Kh7=) 
    32...Bc5 
       (32...Bd8 33.Rb2=) 
    33.Rc6+= 
       (worse is 33.Bc5 Rd1 34.e4 Ra1+=; 
       worse is 33.Rc5 Rc5 34.Bc5 Rd1+=) 
    33...bc6 34.Bg4 Rd4 35.ed4 
       (35.Rd4? Bd4 36.ed4 Ra4–+) 
    35...Ba7 
       (35...Be7+/–) 
    36.Bd7 
       (36.Ke3!?+/–) 
    36...Rd5= Attacks the isolani on d4 37.Bc6 Rd4 38.Rd4 Bd4 39.Kf3 a5 
       (39...h5 40.f5=) 
    40.g4 g6 ½–½
    
    
    
    (25) Schiefelbusch,Dirk (2135) – Fistoul,Michail
    Sparkassen Open A, Dortmund GER, 2010
    1.b4 e6 2.Bb2 f5 3.e3 Nf6 4.b5 Be7 5.Nf3 d6 6.c4 0–0 7.Nc3 
       (7.Be2 e5 8.d4 e4 9.Nfd2 Qe8 10.Nc3 Qg6 11.g3 Nbd7 12.Qb3 c5 13.a4 
       Kh8 14.f4 ef3 15.Bf3 Qh6 16.Ne2 Bd8 17.Nf4 Re8 18.0–0–0 a6 19.h3 ab5 
       20.ab5 Nb6 21.dc5 dc5 Teichmann,E (2290)–Bhend,E (2315)/Bern op 1991/
       1–0 (31)) 
    7...Qe8 8.d4 d5N 
       (8...Nbd7 9.Bd3 Qh5 10.Ne2 Ne4 11.Nf4 Qf7 12.d5 Ndc5 13.de6 Be6 
       14.Ne6 Ne6 15.Nd4 N6c5 16.g3 Nd3 17.Qd3 d5 18.Rc1 Bb4 19.Ke2 Qh5 20.f3 
       Qh3 21.Rcg1 Nc5 22.Qc2 Rae8 23.cd5 Schmitt,B–Krause,O/Verbandsliga 
       Sued Baden 2004/1–0) 
    9.Bd3 c6 10.a4 Ne4 11.0–0 Nd7 12.Qb3 g5 13.Rfd1 g4 14.Ne5 Ne5 15.de5 Bg5 
    16.g3 
       (16.Ba3!? Be7 17.Be2+/–) 
    16...Qh5 17.Qc2 Qh6 18.Qe2 
       (better is 18.Ba3 Rd8 19.Ne4 fe4 20.Be2+=) 
    18...Nf2–/+ 19.Kf2 Qh2 20.Kf1 Qh1 
       (20...Qg3 21.Bc1 f4–+) 
    21.Kf2= Qh2 22.Kf1 Qg3 23.Qf2 Qe3 
       (worse is 23...Qe5 24.Nd5 Qd6 25.Nf4+=) 
    24.Qe3 Be3 25.Ke2 d4 26.Na2 c5 27.Bc1 Bc1 28.Nc1 b6 29.Kf2 Bb7 30.Rg1 h5 
    31.Kg3 f4 32.Kh4 f3 
       (better is 32...g3!?–+) 
    33.Kh5–/+ Kf7 34.Rg4 Rh8 35.Kg5 Rag8 36.Kf4 Rg4 37.Kg4 Rg8 38.Kh3 Rg1 
    39.Nb3 
       (39.a5 Rh1 40.Kg3 Rg1 41.Kf2 Rg2 42.Kf1+/–) 
    39...f2–/+ 40.Rc1? 
       (better is 40.Kh2 Re1 41.a5–+) 
    40...Bg2–+ 41.Kh2 Rc1 42.Nc1 f1Q 43.Bf1 Bf1 44.Nb3 Bc4 45.Nd2 Bd5 46.Kg3 
    c4 47.Kf4 
       (47.Nc4 Bc4 48.Kf3–+) 
    c3 
       (47...c3 48.Ne4 c2 49.Kg4 Be4 50.a5 c1Q 51.ab6 Qg1 52.Kf4 Qg2 53.ba7 
       Bf3 54.a8Q Qg4) 
    0–1
    
    
    
    (26) Schiefelbusch,Dirk (2100) – Borjini,Mohamed (1915)
    Dortmund–ch, 2004
    1.b4 e6 2.Bb2 Nf6 3.b5 d5 4.e3 c5 5.c4 Bd6 6.Nf3 Nbd7 7.Nc3 0–0 8.Be2 dc4 
    9.Bc4 b6 10.0–0 Bb7 11.Be2 Qc7 12.h3 
       (12.Rc1 h6=) 
    12...e5 
       (12...c4 13.Qc2=) 
    13.d3 Rad8 
       (13...Nd5 14.Ne4=) 
    14.Qc2 
       (14.Qb3 Rfe8+=) 
    14...Rfe8 Black intends e4 
       (14...Nd5 15.Nd5 Bd5 16.Nd2+=) 
    15.Rfd1 
       (15.Nd2 h6+=) 
    15...e4= 16.de4 Ne4 17.Rac1 
       (17.Nd5 Bd5 18.Rd5 Ndf6+=) 
    17...Ndf6 18.Qb3 Qe7 19.Rf1 
       (19.Ne4 Ne4 20.Qc4 Ra8=) 
    19...Bb8 
       (19...Kh8 20.Ne4 Ne4 21.Rcd1+=) 
    20.Rcd1 
       (20.Ne4!? Ne4 21.Rfd1=) 
    20...Rd1–/+ 21.Qd1 
       (21.Rd1? Nf2! 22.Kf2 Qe3 23.Kf1 Bg3–+) 
    21...Qc7 22.Ne4 Be4 
       (22...Ne4 23.Re1–/+) 
    23.Re1= Bf3 
       (23...Rd8 24.Qc1=) 
    24.Bf3 Rd8 25.Qc2 Qh2 26.Kf1 Be5 27.Be5 Qe5 28.Rd1 Rd1 29.Qd1 g6 30.g3 
       (30.g4 Ne4=) 
    30...Qb2 
       (30...Qe6 31.g4=) 
    31.Qa4 Qc1 32.Kg2 c4 33.Qa7 c3 34.Qb8? 
       (better is 34.Be2 Qc2 35.Qb6–+) 
    34...Kg7–+ 35.Qe5 
       (35.Qb6?? c2 36.Qc7 Qb1–+) 
    35...Qd2?? 
       (better is 35...c2 36.Be4 Qd2 37.Bc2 Qc2–+) 
    36.g4= c2 37.g5 c1Q 38.gf6 Kh6 39.Qf4 g5 40.Qg4 Kg6 41.Be4 Kf6 42.Qf5 Ke7 
    43.Qe5 Kd8 44.Bc6 Kc8 
       (44...Qa2?? 45.Qe8 Kc7 46.Qd7 Kb8 47.Qb7) 
    45.Qe8 Qd8 46.Qf7 Qc7 47.Qe8 Qd8 48.Qf7 Qc7 49.Qe8 Qd8 ½–½
    
    
    
    (27) Schiefelbusch,Dirk (2070) – Boehm,Joachim (2165)
    Ruhrgebiet VL playoff, 2005
    1.b4 g6 2.Bb2 Nf6 3.c4 Bg7 4.e3 0–0 5.Nf3 d6 6.Be2 e5 7.d4 Nbd7 8.0–0 Re8 
    9.Nc3 e4 10.Nd2 Nf8 11.a4 h5 12.Re1 N8h7 13.Qb3 Bg4 14.Bf1 Ng5 15.d5 Qd7 
    16.Ne2 h4 17.Nf4 
       (better is 17.h3 Be2 18.Be2+=) 
    17...Nh5 
       (better is 17...h3!?=) 
    18.Bg7 
       (18.h3 Bf5 19.Nh5 gh5+/–) 
    18...Kg7 
       (18...Ng7 19.h3 Bf5 20.c5+/–) 
    19.c5 
       (19.h3 Bf5+/–) 
    19...Re5 
       (better is 19...h3!?+=) 
    20.cd6 cd6 21.Rac1 
       (21.h3 Bf5+–) 
    21...Qf5 
       (better is 21...h3!? 22.g3 Nf6+=) 
    22.h3+– Bf3 23.gf3 
       (23.Nf3?! ef3 24.Bd3 Qf6+=) 
    23...ef3? 
       (23...Nf4 24.ef4 Qf4 25.Rcd1+–) 
    24.Qd3 
       (better is 24.Nh5!? gh5 25.Kh2 Rd5+–) 
    24...Qd3 25.Nd3 
       (25.Bd3?! Nf4 26.ef4 Nh3 27.Kh2 Rd5 28.Kh3 Rd3+=) 
    25...Rd5 26.e4 
       (better is 26.Rc4!?+–) 
    26...Nh3+/– 27.Kh2 Rd3 28.Bd3 Nf2 29.Bf1 
       (better is 29.Bc4!? Nf6 30.Nf3+/–) 
    29...Ng4= 30.Kh3 f2?? 
       (better is 30...Nf2!? 31.Kh2 Ng4 32.Kh3 Nf2 33.Kh2=) 
    31.Kg4 fe1Q 32.Re1 Nf6 33.Kh4 d5 34.e5 Rh8 35.Kg3 Nh5 36.Kf3 Rc8 37.Nb3 
    Rc2 38.Nd4 Ra2 
       (38...Rb2 39.b5+/–) 
    39.a5+– Rd2 40.Ke3 Rb2 41.b5 Ng3 
       (41...Ra2 42.a6 ba6 43.ba6+–) 
    42.Bd3 Ra2 43.a6 ba6 44.ba6 Ne4 45.Rc1 Ra3 46.Rc7 Kg8 
       (46...Rc3 47.Rc3 (47.Ra7?! Nc5 48.Nf5 gf5+–) 47...Nc3 48.Nc6+–) 
    47.Nc2 
       (47.Ra7?! Nc5 48.Nc6 Rd3 49.Ke2 Ra3 50.Ra8 Kg7+/–) 
    47...Rb3 48.Rb7 
       (48.Ra7 Nc5 49.Ra8 Kg7+–) 
    48...Rc3 
       (48...Nc5 49.Rb3 Nb3 50.Nb4 d4 51.Ke4+–) 
    49.Kd4 Rc8 50.Be4 de4 51.Ne3 
       (51.Ke4?! Rc2 52.Ra7 Ra2+/–; 
       51.Ra7?! Rc2 52.Rb7 Ra2+–) 
    51...Rc1 52.Ra7 Ra1 53.Ke4 Ra4 54.Kd5 Ra1 55.Ng4 Rd1 56.Kc6 Rc1 57.Kd6 
    Kf8 
       (57...Ra1 58.Nh6 Kg7 59.Nf7+–) 
    58.Nf6 
       (58.Ra8!? Kg7 59.Nf6 Ra1+–) 
    58...Rd1 59.Nd5 Rd2 
       (59...Ra1 60.Ra8 Kg7 61.a7 Ra6 62.Kc7+–) 
    60.Rb7 1–0
    
    
    
    (28) Schiefelbusch,Dirk – Mueller,Martin
    Ruhrgebiet VK1–chT, 1995
    1.b4 Nf6 2.Bb2 d5 3.e3 Bf5 4.c4 c6 5.Nf3= e6 6.b5 Be7 7.Nc3 0–0 8.Be2 
       (8.Nd4 Be4+=) 
    8...cb5 
       (8...dc4 9.Bc4 Bd3 10.Qa4+=) 
    9.cb5= Ne4 10.0–0 Nd7 11.Rc1 Ndc5 
       (11...Nc3 12.Bc3 Ba3 13.Ra1+=) 
    12.d3 Nc3 13.Bc3 Rc8 14.h3 
       (14.Nd4 Bg6=) 
    14...Re8 
       (14...Bd6 15.Bd4=) 
    15.Qd2 Bf6 16.Bf6 
       (16.Be5=) 
    16...gf6 
       (16...Qf6!? 17.d4 Ne4=) 
    17.Rfd1 
       (17.Nd4 Bg6+=) 
    17...Qb6 
       (17...e5 18.d4 Ne4 19.Qb4+=) 
    18.d4 
       (18.Nd4 Bg6 19.a3 e5=) 
    18...Ne4 19.Qb4 Rc7 20.Qa3 
       (20.Rc7 Qc7 21.Qa4 Nc3–+) 
    20...Rec8 21.Rc7 Rc7 22.Rc1 a5 
       (22...Qd6 23.Qb2+=) 
    23.Bf1 
       (better is 23.ba6!? ba6 24.Rc7 Qc7 25.Nh4+/– (25.Ba6 Qc2–/+)) 
    23...Rc1+= 24.Qc1 Qd8 
       (24...a4 25.Qc8 Kg7 26.Bd3+/–) 
    25.Ne1 
       (25.Bd3 a4+=) 
    25...Nd6 
       (25...e5 26.Bd3=) 
    26.Qc5 
       (26.Qc3 Ne4 27.Qb2 a4+=) 
    26...b6 
       (26...Ne4 27.Qa7 b6 28.Bd3=) 
    27.Qc6+= Kf8 
       (27...Ne4 28.Nf3+=) 
    28.Nd3 
       (28.Be2 Kg8+=) 
    28...Bd3 
       (28...Kg8!?+=) 
    29.Bd3+/– f5 30.f3 
       (30.Kh2 Ne4 31.Qc2 Qd6 32.Kg1 Kg7+=) 
    30...Nc8 
       (30...Kg8 31.a4+=) 
    31.Kf2 
       (31.a3 Kg8+=) 
    31...Ke7 
       (31...Kg7 32.g3+=) 
    32.g4 
       (32.Kg1 Kf8=) 
    32...fg4+= 33.hg4 h6 
       (33...Nd6 34.Ke1+/–) 
    34.Qb7 
       (34.Ke1 Nd6+/–) 
    34...Qd7 35.Qb8 Qd8 36.Qf4 Qd6 37.Qh6 Qa3 38.Be2 
       (38.Qg5!? Kd7 39.Ke2+=) 
    38...Qa2= 39.g5 
       (39.Qg5!? Kd7 40.Ke1=) 
    39...Nd6 40.Qf6 Kd7 41.g6 fg6 42.Qg7 Kd8 43.Qg6 Nb5 44.Qe6 Nc3? 
       (better is 44...a4+/–) 
    45.Qd6+– 
       (45.Qd6 Ke8 46.Qc6 Kd8 47.Qc3+–) 
    1–0
    
    
    
    (29) Schiefelbusch,Dirk (2105) – Simanowski,Mio (1855)
    Dortmund GER, Sparkassen Open, 2012
    1.b4 Nf6 2.Bb2 e6 3.b5 d5 4.e3 c6 5.a4 Be7 6.Nf3 0–0 7.c4 c5 8.Be2 b6 
    9.0–0 Nbd7 10.Nc3 Bb7 11.d4 Qc7N 
       (11...dc4 12.Bc4 Rc8 13.d5 ed5 14.Nd5 Nd5 15.Bd5 Bd5 16.Qd5 Nf6 
       17.Qe5 Qc7 18.Rfd1 Rfe8 19.Qf5 Rcd8 20.Ne5 Rd1 21.Rd1 Bd6 22.Nc4 Be7 
       23.e4 Rd8 24.Rd8 Qd8 25.Ne3 h6 26.h3 Mahony,M (1910)–Simon,H (1940)/
       IECG 2001/½–½) 
    12.cd5 Nd5 13.Nd5 Bd5 14.dc5 Nc5 
       (14...Qc5? 15.Ba3 Qa3 16.Ra3 Ba3 17.e4 Be4 18.Qd7+–; 
       14...bc5?! 15.Qc2=) 
    15.Nd4 Bd6 16.h3 Rfd8 17.Bf3 Bf3 18.Qf3 Nd3 19.Ba3 Ne5 20.Qe4 Ba3 21.Ra3 
    Qd6 22.Rc3 Nd7 23.Nc6 Re8 24.Rd3 Qc7 25.Rd4 Nc5 26.Qh4 e5 27.Rd5 Re6 
    28.Rfd1 f6? 
       (better is 28...e4+=) 
    29.Qc4+– Kf7 30.Nd8 Rd8 31.Rd8 Qe7 
       (31...e4+–) 
    32.Qh4 f5 33.Qh7 Rf6 
       (33...Kf6+–) 
    34.Qh5 g6 
       (34...Rg6 35.Qf5 Qf6+–) 
    35.Qh8 
       (35.Qh7 Ke6 36.Qg8 Rf7 37.R8d6 Qd6 38.Qg6 Rf6 39.Qe8 Qe7 40.Rd6 Kd6 
       41.Qc6#) 
    35...Re6 36.Rg8 Qf6 
       (36...Rd6 37.Qh7 Ke6 38.Qg6 Kd7 39.Rd6 Kc7 40.Rc6 Kb7 41.Rb6 ab6 
       42.Qc6 Ka7 43.Ra8#) 
    37.Qh7 
       (37.Qh7 Qg7 38.Qg7#) 
    1–0
    
    
    
    (30) Schiefelbusch,Dirk (2065) – Kock,Wolfgang (2025)
    Ruhrgebiet VL2, 2004
    1.b4 Nf6 2.Bb2 e6 3.b5 d5 4.e3 Be7 5.Nf3 0–0 6.Be2 c5 7.0–0 Nbd7 8.a4 Ne4 
    9.d3 Nd6 10.c4 b6 11.Nc3 Bf6 Black prepares d4 12.Qc2 d4 13.ed4 cd4 
    14.Na2 e5 15.Nb4 Bb7 16.Nd2 Rc8 
       (16...Bg5 17.a5 ba5 18.Nc6 Bc6 19.bc6+=) 
    17.Bf3= Nb8 18.Bb7 Nb7 19.Qd1 Be7 20.Nd5 Nc5 21.Qe2 Bd6 22.Ne4 Ne4 23.Qe4 
    f5 24.Qe2 f4 25.f3 Rf5 26.a5 ba5 27.Ba3 Ba3 28.Ra3 Nd7 29.Ra5 Qa5 30.Ne7 
    Kh8 31.Nf5 Qb4 32.Ra1 Qf8 33.g4 g6? 
       (better is 33...fg3 34.Ng3 Qc5=) 
    34.Ra7+/– Rd8?? 
       (better is 34...gf5 35.Rd7 Re8+–) 
    35.Rd7!+– Rd7 
       (35...Rd7 36.Qe5 Double attack) 
    36.Qe5 Kg8 37.Qe6 
       (37.Qe6 Kh8 38.Qd7 gf5 39.Qd4 Kg8 40.Qf4 Qc5 41.Kg2 fg4 42.Qg4 Kf8 
       43.h4+–) 
    1–0
    
    
    
    (31) Schiefelbusch,Dirk (2135) – Quast,Marcel (2145)
    Sparkassen Open A, Dortmund GER, 2010
    1.Nf3 f5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 d6 6.d4 0–0 7.Nc3 
       (7.Bd3 c5 8.a3 b6 9.0–0 Bb7 10.Nbd2 Nbd7 11.Qc2 Rc8 12.Rac1 e6 13.Qb3 
       d5 14.Rcd1 Ne4 15.Rfe1 Ndf6 16.Ne5 Nd2 17.Rd2 Ne4 18.Rdd1 Be5 19.de5 
       Qh4 20.g3 Qe7 21.b5 Ng5 futsalboy (1725)–waltad (1615)/kurnik 2011/
       0–1) 
    7...c6 8.Be2 Nbd7 9.0–0 e5N 
       (9...Ne4 10.Ne4 fe4 11.Ng5 Nf6 12.f3 ef3 13.Bf3 Qc7 14.d5 h6 15.Ne4 
       8...Nbd7) 
    10.a4 e4 11.Nd2 Qe7 12.Re1 d5 13.b5 Qf7 14.Rc1 Kh8 15.Ba3 Rd8 16.Qb3 Bf8 
    17.Rc2 g5 18.Rec1 Ba3 19.Qa3 Nf8 20.bc6 bc6 21.cd5 cd5 22.Nb5 Be6 23.Nc7 
    Rab8 24.Nb3 N6d7 Black prepares f4 
       (better is 24...f4+/–) 
    25.Na5+– Nb6 26.Ne6 Ne6 27.Nc6 f4 28.Nb8 Rb8 29.Qd6 Rd8 30.Qe5 Kg8 31.a5 
       (31.a5 Nd7 32.Qd5+–) 
    1–0
    
    
    
    

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