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Yulia OSMAK
of Ukraine

(2014-11-01)
(All annotations below by Fritz)
(Games' source: Marek's 1.b4 database)



Osmak,Iulija (1875) – Tkachova,A (1855)
ch–UKR g18, Kyiv UKR, 2010
1.b4 c5 2.bc5 e5 3.Bb2 Nc6 4.Nf3 e4 5.Nd4 Bc5 6.Nb3N Bf8 7.e3 
   (7.d3 
     A) 7...d5 8.de4 (8.N1d2 Bf5 9.Nd4 Qb6 10.Nf5 Qb2 11.Rb1 Qe5 
      12.Ng3 Bb4 13.a3=) 8...de4 9.Qd8 Nd8 10.e3 Nc6 11.N1d2 
      Bf5 12.Bb5 Rc8 13.Rb1+=;
     B) 7...Nf6 8.Bf6 Qf6 9.de4 Bb4 10.N1d2 Qe7 11.f3 Bc3 12.Rb1 0–0 
      13.e3=; 
   7.Nc3 Nf6 (7...d5 8.e3 Nf6 9.Be2 Be7 10.Rb1 0–0 11.0–0 Be6 12.f3 Rc8 
   13.fe4=) 8.d3 (8.e3 d5 9.Be2 Bd6 10.Nb5 Be7 11.0–0 0–0 
   12.Rb1 a6 13.N5d4=) 8...d5 9.de4 de4 10.Qd8 Nd8 11.Nb5 
   Ne6 12.N3d4 Bb4 13.c3=; 
   7.c4 
     A) 7...d5 8.cd5 Qd5 9.Nc3 Qe6 10.e3 Nf6 11.Nb5 Qe7 12.Bf6 gf6 
      13.d4=;
     B) 7...Qg5 8.Qc2 (8.Nc3 Nf6 9.Qb1 Qg6 10.Nb5 Rb8 11.f3 Be7 12.Nc7 
      Kd8 13.Nd5=; 8.Na3 a6 9.Nc2 b5 10.d3 d5 11.cd5 Qd5 
      12.Ne3 Qe6 13.de4=) 8...Qg6 9.Nc3 Nb4 10.Qb1 e3 11.Qg6 
      hg6 12.Rb1 ef2 13.Kf2=;
     C) 7...Nf6 8.Nc3 d6 9.d3 Ne5 10.Rb1 Qe7 11.Nd4 ed3 12.e4 Ne4 
      13.Ne4=) 
7...Nf6 
   (7...d5 8.d3 (8.Nd4 Nf6 9.Bb5 Bd7 10.0–0 Bd6 11.Be2 0–0 12.f3 Qc7 
   13.f4+=; 8.Nc3 Nf6 9.Be2 Bd6 10.Nb5 Be7 11.0–0 0–0 12.f3 
   Re8 13.a4=) 8...Nf6 9.N1d2 Bb4 10.a3 Be7 11.Rb1 Bg4 
   12.Be2 Be2 13.Qe2=) 
8.Be2 
   (8.Bb5 a6 9.Be2 d5 10.0–0 Bd6 11.f4 0–0 12.a4 b6 13.Qe1+=; 
   8.Nc3 d5 9.Be2 Bd6 10.Nb5 Be7 11.0–0 0–0 12.f3 Re8 13.Rb1=; 
   8.Bf6 Qf6 9.Nc3 Qg6 10.Rb1 Bb4 11.Nd5 0–0 12.c3 Bd6 13.d3=; 
   8.d3 d5 9.N1d2 Be7 10.Rb1 Bg4 11.Be2 Be2 12.Qe2 Nb4 13.de4=; 
   8.Bc4 Be7 9.0–0 d5 10.Be2 0–0 11.Nc3 Be6 12.f3 Re8 13.Nb5=) 
8...Be7 
   (8...d5 9.0–0 Bd6 10.Nc3 a6 11.f4 0–0 12.a4 Qc7 13.Qe1=) 
9.0–0 
   (9.Nc3 d5 10.Rb1 0–0 11.0–0 Be6 12.Nb5 Qd7 13.N5d4=) 
9...0–0 10.c4 
   (10.Nc3 d5 11.f3 Re8 12.Rb1 Be6 13.Nb5=) 
10...d5 11.d4 
   (11.cd5 Nd5 12.d3 Nf6 13.Nd4=) 
11...Qc7 
   (11...dc4 12.Bc4 a6 13.f3+=) 
12.Nc3 
   (12.c5 Be6 13.Nc3=) 
12...dc4 13.Nd2 
   (13.Bc4+=) 
13...Na5 14.Nde4 Ne4 15.Ne4 b5 16.d5 Rd8 17.Qd4 f6 18.d6 Bd6? 
   (better is 18...Rd6 19.Nd6 Qd6+=) 
19.Qd5+– Kf8 20.Nd6 
   (20.Qa8 Bb7 21.Qa7 Nc6+=) 
20...Bb7 21.Nb5 Qe7 
   (21...Qh2 22.Kh2 Bd5+–) 
22.Qf5 Rd5 23.Qd5! 
   (23.Qd5 Bd5 24.Ba3 Qa3 25.Na3+–; 
   23.Qh7?! Rb5 24.Bc3 Qe4 25.Qe4 Be4+–) 
1–0



Osmak,Iulija (1875) – Shvayger,Y (2160)
ch–UKR g18, Kyiv UKR, 2010
1.b4 d5 2.Bb2 Bg4 3.h3 Bh5 4.Nf3 Bf3 5.gf3 
   (5.ef3 Nf6 6.c4 dc4 7.Bc4 e6 8.0–0 Nbd7 9.a3 Be7 10.d4 0–0 11.Nd2 Nb6 
   12.Bd3 Nfd5 13.Ne4 Nf4 14.Bc2 Bd6 15.Bc1 Nbd5 16.g3 Nh5 17.Re1 g6 
   18.Qd3 Be7 19.Bb2 Ng7 Baranov,G (2290)–Payen,A (2420)/Chigorin mem 
   St Petersburg 1998/½–½ (59)) 
5...e6 
   (5...Nf6 6.c4 e6 7.cd5 Nd5 8.a3 f6 9.Nc3 a5 10.Nd5 Qd5 11.e4 Qd6 
   12.Rg1 Nc6 13.ba5 Na5 14.Rb1 Kf7 15.Bc3 b6 16.f4 Qf4 17.Rg4 Qh6 18.d4 
   g6 19.d5 e5 20.Bd2 Tigerbaby–pierre/internet 2010/½–½) 
6.e3 Nf6 7.b5N 
   (7.c4 Bb4 8.cd5 Nd5 9.Rg1 Bf8 10.Nc3 Nc6 11.Qb3 Qd7 12.Nd5 Qd5 13.Bc4 
   Qd7 14.Bc3 0–0–0 15.Rb1 b6 16.Qa4 Qd6 17.Bb5 Kb7 18.Qa6 Ka8 19.Rg4 Nb8 
   20.Qa4 e5 21.f4 ef4 ST_KAOURAS–marekt/ChessWorld.net 2009/½–½ 
   (41)) 
7...c5 8.c4 Be7 9.d3 Qd6 10.f4 Nbd7 11.Nd2 Bd8 12.Rg1 g6 13.Qc2 Bc7 
14.cd5 ed5 15.Bg2 0–0 16.Kf1 a6 17.a4 ab5 18.ab5 Ra1 19.Ba1 Ra8 20.Qb2 
Ra5 21.Bf3 Qb6 Attacks the isolani on b5 22.Bd5 
   (22.Kg2!? Qb5 23.Nb3 Ra1 24.Ra1-/+) 
22...Ra1!–+ 23.Qa1 Nd5 24.Qa8 Kg7 25.Qa4 N7f6 26.Qc4 Qe6 27.Rg3 b6 28.Nf3 
h6 29.Nh4 Qd7 30.Rf3 Bb8 31.f5 g5 32.e4 Nf4 33.Ng2 Be5 34.Nf4 gf4 35.h4 
Ne8 36.Rh3 Nc7 37.Rh1 Qb5 38.Rg1 Kf8 39.Qc2 f3 40.Qd1 c4 41.Qf3 cd3 
42.Qe3 Ke7 43.Qh6?? 
   (better is 43.Kg2–+) 
43...d2 44.Kg2 Qe2 45.Qg5 Kd7 
   (45...Kd7 46.Qe3 Qg4 47.Kh1 Qh4 48.Kg2 Qg4 49.Kh1 d1Q 50.Rd1 Qd1 
   51.Kg2 b5–+) 
0–1



Osmak,Iulija (2030) – Tutov,Valeriy
Kiev Spring, 2011
1.b4 c6 2.Bb2 Qb6 3.a3 a5 4.c4 ab4 5.c5 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.e3 b6 
9.d4N 
   (9.Qa4 e6 10.d4 d6 11.cd6 Bd6 12.Nf3 b5 13.Qb3 Na6 14.Bc3 Nd5 15.Be2 
   Nc3 16.Nc3 Nb4 17.0–0 0–0 18.Rc1 Qe7 19.Ne4 Bb7 20.Nd6 Qd6 21.Ne5 Rc8 
   22.Bf3 f6 23.Nd3 Nd3 Blauhut,H–Kaschner,A/corr SOK–90–58 1990/½–1/2 (36); 
   9.Nf3 bc5 10.bc5 d6 11.cd6 ed6 12.Bf6 gf6 13.Nc3 Bg7 14.Bd3 Nd7 15.Qc2 
   h5 16.Nb5 Qb8 17.Qc6 1–0 pierred (2750)–dubdub (2000)/net–chess.com 
   2008; 
   9.Qb3 d6 10.d4 Na6 11.b5 Nb8 12.bc6 bc5 13.d5 e6 14.Bf6 gf6 15.e4 f5 
   16.f3 fe4 17.fe4 Nc6 18.dc6 Ba6 19.Ba6 Bg7 20.Qa4 Ke7 21.Bb7 Qb6 
   22.Qc2 c4 23.Ne2 Rg8 Anfilatov,D–Kull,P/Paul Keres Mem 2000/1–0 (31)) 
9...g6 10.Nf3 Bg7 11.Nc3 0–0 12.Be2 Na6 13.b5 cb5 14.Nb5 
   (worse is 14.Bb5 bc5 15.0–0 Bb7-/+) 
14...Qb7 15.cb6 Qb6 16.0–0 Bb7 17.Nc3 Rc8 18.Qa4 Bf3 19.Bf3 
   (worse is 19.gf3 Nc7=; 
   19.Ba6?! Ra8 20.Rb1 Qd6 21.gf3 Ra6= (21...Qa6?? 22.Rb8 Rb8 23.Qa6+–); 
   19.Qa6?! Qa6 20.Ba6 Ra8=) 
19...Nc7 20.Rb1 Qe6 21.Bb7 Rf8 22.Qa5 Nce8 23.Bf3 Nd6 24.h3 Bh6 25.Nd5 
Rc8 26.Nf6 Qf6 27.Qb4 Qf5 
   (27...Bg7 28.Bg4+=) 
28.d5 
   (better is 28.Bg4!? Qc2 29.Bd7+/-) 
28...Bg7+= 29.e4 Qf4 30.Bg7 Rc1 31.Rc1 Qc1 32.Kh2 Qf4 33.g3 Qf3 34.Bd4 f6 
35.Qb8 Kg7 36.e5 
   (better is 36.Bc5 Qe4 37.Bd6=) 
36...Qd5-/+ 37.Qb2 fe5 38.Be5 Kf7 39.Bh8 Ne8 40.Qc1 Qf5 41.Bd4 e5 42.Be3 d5 
43.Qc6 d4 44.Qb7 Kg8 45.Qd5 Qf7 46.Qf7 Kf7 47.Bc1 Ke6 48.Kg2 e4 49.Kf1 
Kd5 50.Ke2 Kc4 51.f3 Nd6 52.g4 
   (52.Bf4 d3 53.Ke1 e3 54.Be3 Kc3–+) 
52...e3 
   (52...d3 53.Ke3 ef3 54.Kf3–+) 
53.h4 Kd5 54.Kd3 Nb7 55.h5 
   (55.Be3 de3 56.Ke3 Ke5–+) 
55...Nc5 56.Ke2 Ne6 57.f4 
   (57.Be3 de3 58.hg6 hg6 59.Ke3–+) 
57...Ke4 58.hg6 Nf4 
   (58...Nf4 59.Kd1 Kd3 60.gh7 e2 61.Ke1 Ng2 62.Kf2 e1Q 63.Kg2 Qh4–+ (
   63...Qc1?! 64.h8Q-/+)) 
0–1



Osmak,Iulija (2170) – Mona,Khaled (2120)
Athens GRE, World Youth Ch U20 (g), 2012
1.b4 d5 2.Bb2 Nf6 3.e3 Bf5 4.Nf3 e6 5.b5 c5 6.c4 Nbd7 7.d3 Be7 
   (7...Bd6 8.Be2 0–0 9.0–0 Qc7 10.Nbd2 a6 11.a4 a5 12.Qb3 b6 13.Rac1 
   dc4 14.Nc4 e5 15.Nd6 Qd6 16.Ba1 e4 17.de4 Be4 18.Rfd1 Qc7 19.Qb2 Rad8 
   20.Ng5 Rfe8 21.Bc4 Bg6 22.Qb3 Zahn,R (2070)–Multhaup,A/
   Recklinghausen GER, Open 2011/1–0 (41); 
   7...Nb6 8.Nbd2 dc4 9.dc4 Be7 10.Be2 0–0 11.0–0 a6 12.a4 ab5 13.cb5 
   Nbd5 14.Nc4 Nb4 15.a5 Nd3 16.Be5 Ne5 17.Nfe5 Nd5 18.Bf3 f6 19.e4 Nc3 
   20.Qd8 Rad8 21.ef5 fe5 22.Bb7 Osmak,I (1975)–Batrak,A (1890)/EYCC 
   Girls U12 2010/1–0 (34)) 
8.Be2 h6 9.0–0 0–0 10.Nc3N 
   (10.a4 b6 11.Nbd2 Qc7 12.Nb3 dc4 13.dc4 Rad8 14.Qe1 Ng4 15.h3 Nge5 
   16.Nbd2 Bf6 17.Be5 Ne5 18.Ne5 Be5 19.Ra2 Bc3 20.Qc1 Bb4 21.Rd1 Rd7 
   22.Bf3 Rfd8 23.Bc6 Rd3 24.Bf3 Qd6 hal1958–Duffy/playchess.de 2003/
   0–1 (32)) 
10...Qc7 11.Qb3 dc4 12.dc4 e5 13.Nd2 e4 14.Nd5 Nd5 15.cd5 Bf6 16.Nc4 Bb2 
17.d6 Qd8 18.Qb2 Qg5 19.f4 ef3 20.Rf3 Be6 21.Raf1 
   (21.Rd1!?+=) 
21...Bc4= 22.Bc4 Ne5 23.Rg3 Nc4 24.Qc3 Qe5 The backward pawn on e3 
becomes a target 25.Qc4 Qd6 26.Qg4 Qe5 27.Rf5 Qc3 28.h4 Rad8 29.Kh2 b6 
30.Qf4 Qe1 
   (better is 30...Kh7 31.Rf7 Rf7 32.Qf7 Qf6+=) 
31.Rf6 Rd5 32.e4 Re8 
   (32...Rh5 33.Qg4 Qg3 34.Kg3 Re5+–) 
33.Rf7 
   (33.Rf7 Qg3 34.Kg3+–) 
1–0



Osmak,Yulia – Migovich,Alexandr
Kiev Independence Cup–B 9th, 2009
1.b4 d5 2.Bb2 e6 3.e3 Nf6 4.b5 Be7 5.Nf3 c5 6.c4 0–0 7.Be2 a6 8.a4 b6 
   (8...ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...Qa5 11.Nc3 Bd7 12.0–0 Rd8 
   13.Qb3 Be8 14.Bb2 Nbd7 15.Ra1 Qc7 16.d4 cd4 17.Nd4 dc4 18.Qc4 Qe5 
   19.Na4 Qd5 20.Rc1 Ne5 21.Qd5 Nd5 22.g3 Bf6 23.Nb3 h6 24.Nbc5 b6 25.Ne4 
   carocan–killerdexter (1740)/kurnik 2012/½–½ (57)) 11.0–0 b6 
   12.d4 Bb7 13.Nbd2 Qc7 14.Qc2 Bd6 15.h3 ½–½ Gadjily,R 
   (2265)–Allahverdiev,A/Baku Cup 1995) 
9.0–0 Bb7 10.d4 ab5N 
   (10...cd4 11.Qd4 dc4 12.Nbd2 Bc5 13.Qc4 Nbd7 14.Qh4 ab5 15.Bb5 Ne8 
   16.Qf4 Bd6 17.Qd4 e5 18.Qg4 Nef6 19.Qf5 Qe7 20.Rfd1 Rfd8 21.Nc4 Bf3 
   22.Rd6 Be2 23.Rc6 Bc4 24.Bc4 Rac8 25.Ba3 Markus,R–Malmstroem,J/TKM/
   SF/02 2001/½–½ (49)) 
11.ab5 Nbd7 12.Nbd2 Qc7 13.Qb3 dc4 14.Bc4 cd4 15.Ra8 Ra8 16.Bd4 Nc5 
17.Qc2 h6 18.Ne5 Bd6 19.f4 Nce4 20.Ne4 Be4 21.Qe2 Bc5 22.Bb2 Rd8 23.g4 
Bb4 24.Bd4 Ne8 
   (better is 24...Bd6!?=) 
25.f5+= Bd5 26.fe6 Be6? 
   (better is 26...fe6 27.g5 Qe7+/-) 
27.Be6+– fe6 28.Nc6 e5? 
   (28...Ba5+–) 
29.Qc4 
   (29.Nb4?! ed4 30.Nc6 Ra8+–) 
29...Kh8 30.Be5 
   (30.Be5 Bd6 31.Rf8 Bf8 32.Bc7 Rd1 33.Kf2 Nc7 34.Ne5+–; 
   worse is 30.Qb4 ed4 31.Rf8 Kh7+–) 
1–0



Osmak,Yulia – Shmatko,Dmitry (2105)
Kiev Independence Cup–A 9th, 2009
1.b4 e5 2.a3 d5 3.Bb2 Bd6 4.e3 Be6 5.Nf3 Nd7 6.d4 
   (6.c4 dc4 7.Nc3 f5 8.d4 cd3 9.Nd2 Ngf6 10.Bd3 Nb6 11.Nb5 0–0 12.Nd6 
   Qd6 13.Nb3 Na4 14.Rb1 Rad8 15.Bc2 Qd1 0–1 mgriffin (1665)–mrtzc 
   (2535)/net–chess.com 2001) 
6...e4 7.Nfd2 Qg5N 
   (7...f5 8.c4 c6 9.cd5 (9.Nc3 Ngf6 10.c5 Bc7 11.a4 0–0 12.b5 f4 
   13.ef4 Bf4 14.Qe2 Bg4 15.f3 ef3 16.gf3 Re8 17.Nce4 Bh5 18.Qg2 de4 
   19.Ne4 Bf3 20.Qf3 Re4 21.Kf2 Bh6 22.Bc4 Kh8 0–1 varin123–kazimierz62/
   kurnik 2012) 9...cd5 10.g3 Ngf6 11.Nc3 a6 (11...Qb6 12.Bb5 0–0 
   13.Bd7 Bd7 14.0–0 a5 15.Qb3 ab4 16.Nd5 Nd5 17.Qd5 Kh8 18.ab4 Rae8 
   19.Nc4 Qb4 20.Ba3 Be6 21.Qe6 Re6 22.Bb4 Bb4 23.Rab1 Be7 24.Rb7 Bf6 
   25.Ra1 Rc6 26.Nb6 bluepiramid2 (1665)–tragomorfos/kurnik 2012/1–0)
    12.Be2 0–0 13.0–0 Rc8 14.Nb3 Qe8 15.Nc5 Bc5 16.bc5 Qg6 17.Qb3 Rc7 
   18.a4 h5 19.h4 Ng4 20.Bg4 hg4 21.Ba3 Rfc8 22.Rab1 ludice (1745)–dcgb/
   kurnik 2011/1–0 (38)) 
8.c4 c6 9.Nc3 a6 10.Qb3 Ngf6 11.cd5 cd5 12.h3 0–0 13.0–0–0? 
   (13.Rc1!?-/+) 
13...b5 14.g4 Qh4 15.f4 ef3! 16.Nf3 Qf2 17.Nd2 Qe3 18.Bg2 Nb6 19.Rhe1 Qg3 
20.Rg1 Bf4 21.Kb1 Bd2 22.Rd2 Ne4! 23.Rdd1 
   (23.Ne4 f5 Double attack (23...Qb3 Pinning; 23...Qb3 
   Deflection; 23...f5 Decoy); 
   23.Be4 Qe3 Double attack (23...Qg1 Pinning; 23...Qg1 
   Deflection; 23...Qe3 Decoy)) 
23...Nc3 24.Qc3 Qh4 25.Qd3 Nc4 26.Bc1 a5 27.Rgf1 
   (27.Bd2 Qf2 28.Bc1 ab4–+) 
27...Qe7 
   (27...ab4!? 28.ab4 Ra4 29.Bd2–+) 
28.Rde1 Qa7 29.Bd2 Nd2 30.Qd2 ab4 31.Qb4 Qa3 32.Qa3 Ra3 33.Re5 Rfa8 
34.Bd5 
   (34.Re2 Ra1 35.Kc2 R1a2 36.Kd1–+) 
Bd5 0–1



Osmak,Yulia – Petrova,Irina (1985)
Kiev–ch (Women), 2009
1.b4 Nf6 2.Bb2 e6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 0–0 7.0–0 c5 8.c4 d5 
9.d4 Nbd7 10.Nbd2 a6 
   (10...dc4 11.Nc4 Ne4 12.Ncd2 Bf6 13.Ne4 Be4 14.a4 Rc8 15.Rc1 Qe7 
   16.Nd2 Bb7 17.Bf3 Bf3 18.Nf3 cd4 19.Bd4 Nc5 20.Bc5 Rc5 21.Rc5 Qc5 
   22.Qb3 Rd8 23.Rd1 Rd1 24.Qd1 Qc4 25.h3 popovicigelu–kkkris/kurnik 
   2012/1–0 (37)) 
11.a4 ab5 12.ab5 Qc7 13.Qb3N 
   (13.Qc2 Rfc8 14.Ra8 Ra8 15.Ra1 Ne8 16.e4 Ra1 17.Ba1 cd4 18.ed5 Bd5 
   19.Bd3 Bf3 20.Nf3 e5 21.Bh7 Kf8 22.Be4 Nb8 23.Bb2 Nf6 24.Bf5 g6 25.Bh3 
   Nbd7 26.Qe2 Bd6 27.Bd7 Nd7 Nemeth,L (2060)–Binder,T (2265)/Gyongyos 
   Matra Cup 2003/0–1 (48)) 
13...Ne4 14.Ne4 de4 15.Nd2 f5 16.f4 Bf6 17.h3 h6 18.Ra8 Ba8 19.Qc2 g6 
20.Nb3 Kh7 21.Qd2 Bg7 22.dc5 Nc5 23.Nc5 Qc5 24.Bg7 Kg7 25.Qc3 Kh7 26.Rd1 
Qc7 27.Qd4 Rf7 28.Kf2 g5 29.g3 gf4 30.gf4 Qe7? 
   (better is 30...Bb7!?+/-) 
31.Qd8+– 
   (worse is 31.Qb6 Qh4 32.Kf1 Qh3 33.Ke1 Qg3 34.Kd2 Re7+/-) 
31...Qa7 32.Qd6 Re7? 
   (32...Qe7 33.Qe7 Re7+–) 
33.Ra1!! Qb7 
   (33...Qa1 34.Qe7 Double attack (34.Qe7 Deflection; 34.Qd4 
   Decoy)) 
34.Ra8! 
   (34.Ra8 Qc7 35.Qc7 Rc7 36.Re8+–) 
1–0



Osmak,Yulia – Onokienko,Alexandra
Kiev–ch (Women), 2009
1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.Nf3 0–0 5.Be2 d6 6.0–0 e5 7.d4 Nbd7 8.de5 
Ng4N 
   (8...de5 9.Ne5 Ne5 10.Be5 Bf5 (10...Qe7 11.Bf6 Bf6 12.c3 Bf5 13.Qb3 
   Be6 14.Bc4 Bc4 15.Qc4 Rad8 16.Na3 Rd7 17.Rad1 Rfd8 18.Rd7 Rd7 19.Nb5 
   a6 20.Nd4 c5 21.bc5 Rc7 22.c6 bc6 23.Nc6 Qd6 24.Qa6 Qc6 25.Qc6 
   elsh1403–golemcz/kurnik 2012/1–0 (78)) 11.c4 Re8 12.Bb2 a5 13.b5 
   a4 14.a3 Qe7 15.Nc3 Rad8 16.Qa4 Rd2 17.Qb3 Red8 18.Rac1 Bd3 19.Bd3 
   R8d3 20.Rfd1 Ng4 21.Rd2 Rd2 22.Nd5 Qh4 23.Bg7 tadziczek–hugalov/
   kurnik 2012/0–1) 
9.Nbd2 Nge5 10.Ne5 Ne5 11.Rb1 Be6 12.c4 Qd7 13.h3 a6 14.f4 Nc6 15.Bg7 Kg7 
16.a4 White prepares b5 16...Ne7 17.b5 ab5 18.ab5 Nf5 19.Ne4 f6 
20.Qd3 Rfe8 21.g4 Nh6 22.Qd4 Ng8 
   (22...Qe7 23.Bf3=) 
23.Rf3 
   (23.b6 Ra2 24.Bf3 Rc2+/-) 
23...Kf7 
   (23...Qe7 24.Bd3=) 
24.Kg2 
   (24.b6 f5 25.gf5 Bf5 26.Ng5 Kf8+/-) 
24...Qe7 25.Bd3 f5 26.Ng5 Kf8 27.gf5 Bf5 28.Bf5 gf5 29.Rg3 Ra2 30.Kg1 
Qd7?? 
   (30...Nf6 31.Nh7! Qh7 32.Qf6 Qf7 33.Qh6 Ke7+/-) 
31.Nf3 
   (31.Qh8 Ke7 32.Qh7 Kd8 33.Nf7 Kc8 34.Rg8 Qe6+–) 
31...Re4?? 
   (better is 31...Re7+/-) 
32.Qh8+– Qf7 33.Ng5 Qc4 
   (33...Re3 34.Re3 Qg6+–) 
34.Nh7 Ke7 35.Rg7 Kd8 36.Rg8 Ke7 37.Qf6 Kd7 38.Rd8 1–0



Osmak,Yulia – Dzemliuk,Elena
Kiev–ch (Women), 2009
1.b4 d5 2.Bb2 Bf5 3.e3 e6 4.Nf3 Nf6 5.b5 c5 6.c4 Bd6 7.Be2 Nbd7 8.0–0 0–0 
9.d4 Rc8N 
   (9...Qc7 10.Nbd2 e5 (10...Rac8 11.Rc1 Qb8 12.a4 e5 13.de5 Ne5 14.Ne5 
   Be5 15.Be5 Qe5 16.Qb3 Rfd8 17.Nf3 Qe7 18.Rfd1 Be6 19.cd5 Nd5 20.Bc4 
   Nc7 21.Be6 Ne6 22.Rd8 Rd8 23.Rd1 b6 24.g3 Rd6 25.Ne5 marvis 
   (1700)–sikkuj (1945)/playok.com 2013/½–½ (55)) 11.de5 Ne5 
   12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qd6 15.cd5 Qd5 16.Qd5 Nd5 17.Rac1 b6 
   18.Nh4 Be6 19.Bf3 Rad8 20.Rfd1 Nc7 21.a4 Bb3 22.Rd8 Rd8 23.Ra1 c4 
   24.g3 marvis (1680)–sikkuj (1970)/playok.com 2013/0–1 (65)) 
10.Nbd2 cd4 11.Nd4 Bg6 12.cd5 Nd5 13.Nc4 N7b6 14.Nd6 Qd6 15.Qb3 Rfd8 
16.Rac1 Qb4 17.a3 Qb3 18.Nb3 Na4 19.Bd4 
   (19.Rc8 Rc8 20.Rc1 Rc1 21.Bc1 Ndc3=) 
19...Nac3+= 20.Rfe1 Ne2 21.Re2 Bd3 
   (21...Rc1 22.Nc1 Nc7 23.b6 ab6 24.Re1-/+) 
22.Ree1 Bb5 23.Ba7 Ra8 24.Nd4 Bd3 25.Rc3?? 
   (better is 25.Red1=) 
25...Nc3–+ 
   (25...Ra7?! 26.Rd3 Rda8 27.Nb5=) 
26.Bc5 Ne2! 27.Ne2 
   (27.Ne2 Be2 Combination; 
   27.Re2 Be2 Combination) 
27...Be2 28.Bb4 Rd1 
   (28...Rd1 29.Rd1 Bd1–+) 
0–1



Osmak,Yulia – Erofeev,Alexandr
Stepichev Memorial, 2006
1.b4 Nf6 2.Bb2 d5 3.e3 Bf5 4.Nf3 h6 5.d4 e6 6.a3 Bd6 
   (6...Be7 7.c4 c6 8.Nbd2 0–0 9.h3 Nbd7 10.Qb3 Qc7 11.Bd3 Ne4 12.Rc1 
   Ndf6 13.0–0 Rac8 14.Rfd1 Nd2 15.Nd2 Bd3 16.Qd3 Rfd8 17.f4 Qd7 18.Nf3 
   Ne4 19.Ne5 Qe8 20.c5 f6 21.Nf3 karoo54–lequangliemvn/kurnik 2012/1–0 
   (38)) 
7.c4 c6 8.c5 Bc7 9.Nc3N 
   (9.a4 Nbd7 10.Be2 0–0 11.0–0 Re8 12.Ne5 Ne5 13.de5 Nd7 14.f4 Qh4 
   15.Nd2 Bd8 16.Nf3 Qe7 17.Nd4 Be4 18.Bd3 Bd3 19.Qd3 f5 20.Rac1 Rc8 
   21.Ba3 g5 22.b5 Nb8 23.g4 Qg7 Fiedler,R–Bauer,M/Bochum–ch 1989/1–0 
   (35)) 
9...0–0 10.Be2 b5 11.0–0 a5 12.Ne5 Be5 13.de5 Nfd7 14.f4 Na6 15.Qd4 Qe7 
   (15...f6 16.e4 de4 17.Rfd1 ab4 18.ab4 Ndc5 19.Qd8 Rfd8 20.bc5 Nc5 
   21.g4=) 
16.e4+/- Bh7 17.ed5 ed5 18.Rf3 Bf5 19.Rg3 f6 
   (19...Qe6!?=) 
20.ef6+= Qf6? 
   (20...Nf6 21.Bb5 ab4 (21...cb5?? 22.Nd5 Qd8 23.Nf6 Qf6 24.Qf6 Rf6 
   25.Bf6+–) 22.ab4 Nb4 (22...cb5 23.Nd5 Qe6 24.Nf6 Rf6 25.Qf6 Qf6 
   26.Bf6+–) 23.Ra8 Ra8 24.Qb4 cb5 25.Nb5 Qe2+/-) 
21.Qf6?? 
   (better is 21.Nb5 g6 22.Qd2+–) 
21...Nf6= 
   (worse is 21...Rf6 22.Nd5 cd5 23.Bb5+/-) 
22.Na2 Nh5?? 
   (better is 22...Kf7+=) 
23.Bh5+– g6 
   (23...Ra7 24.ba5 Bh7+–) 
24.Bg6 Bg6 25.Rg6 Kf7 26.Rc6 Rfe8 
   (26...h5 27.Rh6+–) 
27.Rh6 
   (better is 27.Rf6!? Kg8 28.Rh6 Kf7+–) 
27...Re2 28.Rh7 Kg6 29.Rg7 
   (29.Rh8 Ra7 30.f5 Kf5 31.Rf1 Kg6 32.Rf6 Kg7 33.Rfh6 Rb2 34.R8h7 Kg8 
   35.Ra7 Nc5 36.bc5 Re2+–) 
29...Kh6 30.Bc3 Re3 
   (30...ab4 31.ab4 Rc2 32.Rg3 Nc5 33.bc5 Raa2 34.Ra2 Ra2 35.c6+–) 
31.Rg3 
   (better is 31.Rd7 ab4 32.ab4 Nc5 33.Bg7 Kg6 34.bc5 Re2+–) 
31...Re4 
   (31...Rg3 32.hg3 ab4 33.ab4+–) 
32.f5 
   (better is 32.Bg7!? Kh7 33.Nc3 Re7+–) 
32...d4 33.Bd2 Kh7 34.f6 Rf8 
   (34...ab4 35.ab4 Ra7 36.Rf1+–) 
35.Rh3 
   (35.Rf1!? ab4 36.Rf5 Rh4 37.Nb4 Nb4 38.ab4 Rf7+–) 
35...Kg8 36.Bg5 
   (36.Rf1 Rg4+–) 
36...Kf7 
   (36...Re5 37.Bh4+–) 
37.Rh7 Kg6 
   (37...Ke8 38.Ra7 Re5 39.Rf1 Rg5 40.Re1 Kd8 41.Ra8 Kc7 42.Re7 Kc6 
   43.Rf8 ab4 44.f7+–) 
38.Rg7 Kh5 39.h3 d3 40.g4 
   (40.Rd1 ab4 41.ab4 Nc5 42.bc5 Rf7 43.g4 Rg4 44.hg4 Kg4 45.Rf1 Ra7 
   46.Bd2 Rg7 47.fg7 Kh4 48.g8Q Kh3 49.Rf3 Kh4 50.Qg5) 
40...Rg4 41.hg4 Kg4 42.f7 Nc7 43.Be7 
   (43.Be7 Kf5 44.Bf8+–) 
1–0



Osmak,Yulia – Chistiakov,Anatolij (1905)
Kiev Independence Cup–A 9th, 2009
1.b4 d5 2.Bb2 Bf5 3.e3 Nd7 4.Nf3 Ngf6 5.Be2 e6 6.b5 Bd6 7.0–0 0–0 8.c4 
   (8.a4 c6 9.d3 Qe7 10.Nbd2 e5 11.Rc1 e4 12.de4 Ne4 13.c4 Ne5 14.Ne5 
   Be5 15.Be5 Qe5 16.Ne4 Be4 17.Bf3 Rfe8 18.Be4 Qe4 19.cd5 cd5 20.Qc2 Qc2 
   21.Rc2 Rac8 22.Rfc1 Rc2 blaugrana18–matahari777630757 kurnik 2012/
   0–1 (75)) 
8...c6 
   (8...h6 9.d4 c6 10.c5 Bc7 11.Qa4 cb5 12.Qb5 a6 13.Qb3 b5 14.a4 ba4 
   15.Qa4 a5 16.Nc3 e5 17.de5 Ne5 18.Nd4 Bd3 19.Ncb5 Be2 20.Ne2 Nc4 
   21.Bf6 gf6 22.Nec3 Be5 23.Rad1 Machete (2295)–Taran (1810)/ICC 2003/
   1–0 (33)) 
9.Nc3N 
   (9.a4 Rc8 (9...Qe7 10.Nc3 Rac8 11.d3 dc4 12.dc4 Rfd8 13.Nd4 Ne5 
   14.Nf5 ef5 15.Qb1 Neg4 16.Rd1 g6 17.h3 Ne3 18.fe3 Qe3 19.Kh1 Qe2 
   20.Ne2 Nh5 21.Nd4 1–0 stoker–mount/Live Game Caissa's Web 2004) 
   10.d3 Qe7 11.Nh4 Rfd8 12.Nf5 ef5 13.Nd2 Ne5 14.h3 dc4 15.d4 Nd3 16.Bd3 
   cd3 17.Qb3 c5 18.Qd3 Ne4 19.Ne4 fe4 20.Qe2 cd4 21.Bd4 Be5 22.Be5 Qe5 
   23.Rac1 h6 Buczinski,H–Kawczynski,L/Siemianowice Slaskie 1991/½–1/
   2 (31); 
   9.d4 dc4 10.Bc4 cb5 11.Bb5 a6 12.Bd3 Qb6 13.Ba3 Bg4 14.Bd6 Qd6 15.Nbd2 
   h6 16.Qb3 b6 17.Rfc1 a5 18.Rc2 Rac8 19.Rac1 Rc2 20.Rc2 Nd5 21.a3 Qb8 
   22.Qb5 Qb7 23.Qc6 Rb8 Hauck,B–Berkes,A/RH–chD Bingen 1990/1–0 (55) 
  ) 
9...Qc7 10.h3 h6 11.d4 c5 
   (11...dc4!? 12.Bc4 Rac8=) 
12.cd5+= b6 
   (12...ed5!? 13.dc5 Qc5+=) 
13.de6+/- fe6 14.dc5 Nc5 15.Nd4 Bg6 16.Na4 Bf7 17.Nc5 Bc5 18.Nc6 Be8 19.Bf3 
Bc6 20.Bc6 Rad8 21.Qb3 Qe7 22.Rfd1 Kf7 23.Rd8 Rd8 24.Rd1 Rd1 25.Qd1 e5 
26.Qb3 Kf8 27.Qc3 Bd6 28.a4 g6 
   (28...e4+–) 
29.f4! Nh5 
   (29...ef4 30.Qf6 Double attack (30.Qf6 Pinning; 30.Qf6 
   Deflection; 30.Qf6 Decoy)) 
30.fe5 Bc5 31.Qd2 Qg5 
   (31...Nf4 32.Bd4 Ne6 33.Bd5+–) 
32.Bd4 Be7 
   (32...Bd4 33.Qf2 Ke7 34.ed4+–) 
33.Qf2 
   (33.g4 Kg7 34.Qf2 Nf6+–) 
33...Kg7 
   (33...Qf5 34.Be4 Qf2 35.Kf2+–) 
34.Bd5 
   (better is 34.g4 Nf6 35.Kf1 Nh7 36.e6 Nf6+–) 
34...Qf5 35.g4 Qf2 36.Kf2 Bh4 37.Kf3 
   (37.Kg2!? Ng3+–) 
37...Ng3 38.e6 Kf8 39.a5! Nf1 
   (39...ba5 40.Bc5 Double attack (40.Ba7 Pinning; 40.Ba7 
   Deflection)) 
40.ab6 ab6 41.Bb6 Nd2 42.Ke2 Nb1 43.Kd3 Be7 44.Bd4 Na3 
   (44...Nc3 45.Bc3 Bd6+–) 
45.b6 Nb5 46.b7 Bd6 47.Bc5! 
   (47.Bc5 Be7 48.b8Q Kg7 49.Be7 Nd6 50.Qf8 Kh7 51.Bf6 Ne4 52.Qf7) 
1–0



Osmak,Yulia – Zhukov,Sergei
Stepichev Memorial, 2006
1.b4 e5 2.Bb2 d6 3.b5 f5 4.e3 Nf6 5.d4 ed4 
   (5...Nbd7 6.de5 de5 7.Bc4 Bd6 8.Nf3 h6 9.Nh4 Nf8 10.Qd3 e4 11.Qb3 Qe7 
   12.g3 g5 13.Ng2 Ng6 14.Nd2 Ne5 15.0–0–0 Rf8 16.h4 Nfg4 17.Rdf1 Bd7 
   18.hg5 hg5 19.Be2 0–0–0 20.Qa4 Parker,D–Faber,K (2010)/Box Hill 
   Autumn Cup 2000/0–1 (38)) 
6.Bd4N 
   (6.ed4 g6 7.c4 Bg7 8.Be2 0–0 9.Nf3 b6 10.0–0 Bb7 11.Nbd2 Nbd7 12.Qb3 
   Kh8 13.a4 Re8 14.Rfe1 Ne4 15.Ne4 Be4 16.Nd2 Bb7 17.a5 Qg5 18.a6 Qg2 
   0–1 popovicigelu–papa25/kurnik 2012) 
6...Be7 7.Nf3 h6 8.Be2 Be6 9.0–0 Nbd7 10.c4 a6 11.a4 ab5 12.cb5 0–0 
13.Nbd2 Ne4 14.Ne4 
   (14.a5 Bf6+=) 
14...fe4= 15.Nd2 d5 16.Qb3 Kh8? 
   (better is 16...Nf6!?=) 
17.Ne4!+/- Qe8 
   (17...de4 18.Qe6 Double attack (18.Qe6 Pinning; 18.Qe6 
   Deflection; 18.Qe6 Decoy)) 
18.Nc3 
   (18.a5!?+/-) 
18...c5+= 19.Bg7 
   (better is 19.bc6!? bc6 20.Nd1+=) 
19...Kg7+= 20.Nd5 Qf7 
   (20...Bd6 21.Bc4+=) 
21.Qc3= Nf6 
   (21...Bf6 22.Nf6 Qf6 23.Qf6 Kf6 24.a5=) 
22.Nf4 
   (better is 22.Nc7+/-) 
22...Kg8?? 
   (better is 22...Bd6=) 
23.Ne6+– Qe6 24.Bc4 Nd5 25.Qb3 Rad8 26.f3 Kh8 27.e4 Bf6 28.Rad1 Bd4 
29.Kh1 Qg6 30.Bd5 Rd7 31.f4 Rg7 32.Qh3 b6 33.Rd3 Qd6 34.Qh4 Qg6 35.Rg3 
Qf6 36.Qf6 Rf6 37.Rg7 Kg7 38.g3 Rf8 39.Kg2 Re8 40.Kf3 Re7 41.Kg4 c4 
42.Bc4 Re4 43.Kf5 Re7 44.Rd1 Bc5 45.Be6 Ra7 46.Rd7 
   (46.Bb3!? Re7+–) 
46...Rd7 47.Bd7 Bg1 48.h3 Bf2 49.g4 Be1 50.Ke6 Bd2 51.f5 Bc3 
   (51...Be1 52.f6 Kf8 53.a5 Ba5 54.h4+–) 
52.h4 Bf6 
   (52...Bd4 53.g5 hg5 54.hg5+–) 
53.Bc6 
   (53.a5 ba5 54.g5 hg5 55.b6+–) 
53...Bh4 54.a5! ba5 55.b6 Bg3 56.b7 Bf4 
   (56...Kf8 57.Ba4+–) 
57.Kd7 
   (better is 57.Ke7 Bb8 58.f6 Kg6 59.f7+–) 
57...Kf6 58.Kc8 h5 59.gh5 Kf5 60.Be4! Kg5 
   (60...Ke4 61.h6 Passed pawn) 
½–½



Osmak,Yulia – Brozhik,Vasilij (2095)
Kiev Independence Cup–B 9th, 2009
1.b4 e6 2.Bb2 Nf6 3.b5 c5 4.e3 d5 5.Nf3 Nbd7 6.c4 Be7 7.Be2 0–0 8.0–0 Nb6 
9.d3 dc4 10.dc4 Qd1 11.Rd1 Na4 12.Be5 Ne4 13.Bd3N 
   (13.Nbd2 Nac3 14.Re1 Ne2 15.Re2 Nd2 16.Rd2 f6 17.Bd6 Bd6 18.Rd6 b6 
   19.Rad1 e5 20.e4 Bg4 21.R1d3 Kf7 22.Nh4 Be6 23.Nf5 Bc4 24.Rd7 Kg6 
   25.Rg7 Kh5 26.Rh3 1–0 avinoam–arcylisz/playok.com 2012) 
13...Rd8 14.Bc2 Rd1 15.Bd1 Nb6 16.Nbd2 Nd2 17.Nd2 f6 18.Bc7 Bd7 
   (18...f5!?+=) 
19.Bf3+/- Bd8 
   (19...Rc8 20.Bb6 ab6 21.Bb7+/-) 
20.Bd6 Bc8 21.Bc5 Nd7 22.Bd6 a6 23.Nb3 White plans c5 23...Nb6 24.c5 
Nc4 25.a4 Nd6 26.cd6 ab5 27.ab5 Ra1 28.Na1 Bd7 29.Bb7 Bb5 30.Nb3 Bb6 
31.Nd4 Bd4 32.ed4 Kf7 33.Bc8 Bc4 34.Bd7 g5 35.f3 f5 36.g3 f4 37.gf4 gf4 
38.Bc6 Bd5?? 
   (better is 38...Bd3+–) 
39.Bd5 ed5 40.Kg2 Ke6 41.Kh3 h5 
   (41...Kd6 42.Kg4 Ke6+–) 
42.Kh4 Kd6 43.Kh5 Kc6 44.Kg5 
   (44.Kg5 Kd7 45.Kf4+–) 
1–0



Osmak,Yulia – Dvornitskaya,Elena
Kiev–ch (Women), 2009
1.b4 d5 2.Bb2 Qd6 3.a3 e5 4.Nf3 f6 5.e3 Be6 6.d4 e4 7.Nfd2 Nd7 8.c4 c6 
9.Nc3 a6 10.cd5N 
   (10.Qb3 Ne7 11.c5 Qc7 12.Nce4 Ng6 13.h4 Be7 14.h5 Ngf8 15.Nc3 f5 
   16.Bd3 Nf6 17.f3 N8d7 18.0–0–0 a5 19.e4 fe4 20.fe4 Bg4 21.ed5 Bd1 
   22.Rd1 cd5 23.Nd5 Nd5 24.Qd5 0–0–0 ferminkatcho (1680)–topdantes 
   (1795)/kurnik 2012/0–1 (35); 
   10.Be2 Nh6 11.0–0 Be7 12.cd5 cd5 13.Nb3 b6 14.f3 f5 15.Rc1 0–0 16.Ba6 
   ef3 17.Nb5 Qb8 18.Qf3 Ng4 19.g3 Bg5 20.Rfe1 Ndf6 21.Nc7 Bf7 22.Na8 Qa8 
   23.Bb5 Ne4 24.h3 Ngf2 Kamminga,G–Roerqvist,K/corr NLD–SVE 1997/1–0 
   (46)) 
10...cd5 11.Be2 Nh6 12.Qb3 White intends b5 12...Be7 13.Rc1 0–0 14.b5 
   (14.0–0 f5=) 
14...a5 
   (14...f5 15.f3=) 
15.0–0= f5 16.Na4 f4 
   (16...Rac8!?=) 
17.Nc5+= Rab8 
   (better is 17...fe3!? 18.fe3 Rf1 19.Rf1 a4 20.Na4 Bg5=) 
18.Nde4!+– Nc5 
   (18...de4 19.Qe6 Double attack (19.Qe6 Pinning; 19.Qe6 
   Deflection)) 
19.Nc5 Rf6 
   (19...fe3!? 20.fe3 Rf1 21.Rf1 Bg4+/-) 
20.Ne6 Re6 
   (20...a4 21.Qa4 Re6 22.e4+–) 
21.Bf3 Rd8 22.ef4 
   (better is 22.Rc5 a4 23.Qd5 Qb6+–) 
22...Nf5? 
   (22...Qd7 23.Rfe1 Re1 24.Re1+–) 
23.g3 
   (better is 23.Rc5!? a4 24.Qa2 g6 25.Rd5 Qb6+–) 
23...Bf6 
   (23...Qd7 24.Qd3 g6 25.Rfe1+–) 
24.Bg4 
   (24.Rc5!? Ne7+–) 
24...g6 25.Bf5 gf5 26.Qc3 Re4 27.Rfd1 Ra8 28.Qc7 Qc7 29.Rc7 Rb8 
   (29...Re7 30.Rdc1 Rae8 31.Kf1+–) 
30.Rd7 Re2 31.Bc1 Re4 
   (31...Bd4 32.Rd4 Re1 33.Kg2 Rc1 34.R4d5+–) 
32.Be3 Be7 33.a4 b6 
   (33...Kf7 34.Rd5 Ke6 35.Re5 Re5 36.fe5+–) 
34.Rd5 Rf8 35.Re5 Bd6 
   (35...Rd8 36.d5 Bc5 37.Bc5 bc5 38.d6+–) 
36.Re4 
   (36.f3!? Re3 37.Re3 Rd8+–) 
36...fe4 37.Rc1 Rf7 38.Rc6 Bc7 39.d5 Rd7 40.Bb6 Bb6 41.Rb6 Rd5 42.Ra6 Rd4 
43.Ra5 Rb4 44.Ra6 Kf8 45.b6 Ke8 
   (45...h5 46.Kf1+–) 
46.a5 Rb5 
   (46...Rb1 47.Kg2 Rb2 48.Kh3+–) 
47.Ra7 Kd8 
   (47...h5 48.Rh7 Ra5 49.b7 Ra1 50.Kg2+–) 
48.b7 h6 
   (48...Kc7 49.a6+–) 
49.Ra8 Kc7 50.b8Q! Rb8 51.Rb8 Kb8 52.f5 1–0



Osmak,Yulia – Docenko,Feodosij (2085)
Stepichev Memorial, 2006
1.b4 d5 2.Bb2 Bf5 3.e3 e6 4.Nf3 Nf6 
   (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–) 
5.b5 Bd6 6.Be2 0–0 7.0–0 Nbd7 8.c4 c6 9.a4 Bg4 10.Nd4 Be2 11.Qe2 Rc8 
12.d3 Bb8 13.Nc3 
   (13.Nd2 c5 14.N4f3 Bc7=) 
13...Re8 
   (13...cb5 14.Ncb5 dc4 15.dc4+=) 
14.Qd1 
   (14.bc6 bc6 15.Rfb1 Bd6=) 
14...Qc7 
   (14...cb5 15.cd5 b4 16.Ne4 Nd5 17.Qh5-/+) 
15.g3 Rcd8 
   (15...dc4 16.bc6 Ne5 17.Ncb5-/+) 
16.Qb1 
   (16.cd5!? ed5 17.bc6 bc6 18.Rb1=) 
16...dc4+= 17.dc4 Ne5 18.Qa2 c5 19.Nde2 b6 20.e4 
   (20.f4 Nd3+=) 
20...Rd2 21.Qb3 Nc4! 22.Bc1 
   (22.Qc4 Rb2 Deflection (22...Rb2 Overloading)) 
22...Na5 23.Qb1 Rd7 24.Bg5 Ng4 25.h3 Ne5 26.Bf4 Qd8 27.Rd1 Nf3 28.Kg2 Bf4 
29.Nf4 Nd4 30.Rd3 Qa8 31.f3 Red8 32.Ra2 Qb7 33.Qd1? 
   (33.Nce2 Nc4-/+) 
33...Nc4 
   (33...c4 34.Rdd2 Nab3 35.Rdb2 Nb5 36.Qe1–+) 
34.Nce2? 
   (better is 34.Qc1–+) 
34...Ne5 
   (better is 34...Nf3 35.Rd7 Rd7 36.Qc1 Qe4 37.Nc3–+) 
35.Rc3 
   (35.Nd4 Nd3 36.Qd3 Rd4 37.Qc2–+) 
35...Ndf3 36.Qf1 
   (36.Qb1 Nd2 37.Rd2 Rd2–+) 
36...Nd2 37.Qg1 
   (37.Rd2 Qe4 38.Kf2 Rd2–+) 
37...Qe4 
   (better is 37...Ne4 38.Rf3 Nf3 39.Qe3–+) 
38.Kf2 Qb7 39.Re3 
   (39.Qg2 Ne4 40.Kg1 Nc3 41.Qb7 Ne2 42.Re2 Rb7 43.Re5 Rd4–+) 
39...Ndc4 
   (better is 39...Ne4 40.Re4 Qe4–+) 
40.Qe1 
   (40.Rc3 Nd6 41.Qg2 Ne4 42.Kg1 Nc3 43.Qb7 Ne2 44.Re2 Rb7 45.Re5–+) 
40...Ne3 41.Ng1 N5c4 
   (better is 41...Nd3 42.Ke3 Ne1 43.Re2–+) 
42.Re2 Rd1 43.Qc3 Rf1 0–1



Osmak,Yulia – Vdovichenko,Vladislav (2180)
Kiev Independence Cup–B 9th, 2009
1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 Nf6 7.e3 e5 8.c4 d6 
9.b5 Bf5 10.Nf3 Qa5 11.Nc3 Nbd7 12.Na4 
   (12.Be2 Be7=) 
12...Be7 13.Bc3 Qa7 14.d4 Ne4 15.Bd3 Nc3 16.Nc3 Qa5 
   (16...Bg4 17.bc6 bc6 18.0–0=) 
17.Bf5 
   (17.0–0 Bg4 18.Qa1 Qc7=) 
17...Qc3= 18.Nd2 ed4 19.bc6 bc6 20.Qa4? 
   (better is 20.ed4!? Qd4 21.0–0-/+) 
20...de3–+ 21.Qa8 
   (21.fe3 Qe3 22.Kd1 Ne5–+) 
21...Bd8 22.fe3 Qc1 23.Ke2 Qh1 24.Qc6 0–0 25.Bd7 Qh2 26.Ne4 
   (26.Qf3 Ba5–+) 
26...Qg2 27.Kd3 
   (27.Nf2 Qh2 28.Bh3–+) 
27...Qf1 28.Kd2 
   (28.Kc2 Qe2 29.Nd2 Ba5–+) 
Ba5 
   (28...Ba5 29.Nc3 Rb8–+) 
0–1



Osmak,Iulija (2195) – Terletsky,O (2275)
Chervonograd UKR, 9th Cup, 2013
1.b4 e5 2.Bb2 
   (2.a3 Nf6+=) 
2...Bb4+= 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0–0 6.Nf3 d5 7.Be2 Re8 8.0–0 Bg4 9.d3 
Qe7 10.Nbd2 Rad8 
   (10...Ba3 11.Qc1 Bb2 12.Qb2=) 
11.h3 Bc8 12.c3 Bd6 13.c4 Ba3 
   (13...Be6 14.d4 dc4 15.Nc4=) 
14.Ba3 
   (14.Bf6!? gf6 15.d4+=) 
14...Qa3= 15.d4 Ne4 16.Ne4 de4 17.Nd2 Qd6 18.Re1 Qg6 19.Bg4 Bg4 20.Qg4 
Nb4 21.Qg6 hg6 22.Red1 b6 23.a3 Nc6 24.Rac1 White prepares c5 24...f5 
25.c5 b5 26.Rb1 a6 27.a4 Rb8 
   (27...b4 28.Nc4+=) 
28.Rb2 Ne7 
   (28...b4 29.Nc4=) 
29.Ra1 
   (29.ab5 ab5 30.Rdb1 c6=) 
29...Nd5 30.ab5 ab5 31.Ra7 g5 Black plans f4 32.g3 f4 33.Rb3 f3 
34.Ra5 c6 35.Ra6 Rbc8 36.Rba3 g4 
   (36...Re7 37.Ra7 Rce8 38.R3a6 Ra7 39.Ra7=) 
37.hg4+= b4 
   (37...Kf7 38.Rb3+=) 
38.Ra1 Rb8 39.Rc6 b3 40.Rb1?? 
   (40.Ra7 b2 41.Nb1=) 
40...b2+= 41.Nc4 Rb4 42.Nb2 Nc3 43.Ra1 Rb2 44.Rc7 
   (44.g5 Rd2 45.g6 Nd1+=) 
44...Ne2 
   (44...Kh7 45.Raa7 Rb1 46.Kh2 Rg8–+) 
45.Kh2+= Re6 
   (45...Kh7 46.Raa7 Rg8 47.Re7-/+) 
46.g5 Nd4 
   (46...Nc3 47.Kh3 Rf2 48.c6+=) 
47.ed4= e3 
   (worse is 47...Rf2 48.Kh3 Rd2 49.Raa7+=) 
48.d5 
   (48.g4 e2 49.g6 Rg6 50.Kg3+=) 
48...Rg6?? 
   (better is 48...Ra6! 49.Rc1 Rf2 50.Kh3 e2=) 
49.d6 
   (49.g4 e2 50.d6 Rd2+–) 
49...Rf2 50.Kh3 Rd2? 
   (50...Rg5 51.d7 Rd2 52.Rc8 Kh7+–) 
51.Re7 
   (better is 51.Kg4 f2 52.Kf5 Rgd6 53.cd6 Rd5 54.Kg4 Rd6 55.Re7+–) 
51...e2= 52.d7 Kh7 53.Kg4 Rd7 54.Rd7 f2 55.Rdd1 Rc6 ½–½

Play 1.b4 at Chessworld.net!

Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

Available lines:
• 1.b4 (4 players, 1 day/move)
• 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
• 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
• 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
• 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
• 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
• 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)