
[Event "Rudolf Teschner Mem 2023"]
[Site "Berlin GER"]
[Date "2023.05.18"]
[Round "1.2"]
[White "Costello, C"]
[Black "Kovchan, A"]
[Result "0-1"]
[WhiteElo "1880"]
[BlackElo "2459"]
[ECO "A23"]
[PlyCount "56"]
1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.d4 e4 5.Bg2 d5 6.Bg5 Bb4 7.e3 Bxc3+ 8.bxc3 Nbd7 9.Ne2 O-O 10.O-O h6 11.Bxf6 Nxf6 12.Qb3 b6 13.Rfe1 Ba6 14.cxd5 cxd5 15.Bf1 Qd7 16.h3 Rac8 17.a4 Bc4 18.Qb2 Rc6 19.a5 b5 20.Kg2 a6 21.Ng1 Rfc8 22.Ra3 Qf5 23.g4 Nxg4 24.hxg4 Qxg4+ 25.Kh2 Bxf1 26.Rxf1 Rg6 27.f3 Qh4+ 28.Nh3 Qg3+ 0-1
[Site "Berlin GER"]
[Date "2023.05.18"]
[Round "1.2"]
[White "Costello, C"]
[Black "Kovchan, A"]
[Result "0-1"]
[WhiteElo "1880"]
[BlackElo "2459"]
[ECO "A23"]
[PlyCount "56"]
1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.d4 e4 5.Bg2 d5 6.Bg5 Bb4 7.e3 Bxc3+ 8.bxc3 Nbd7 9.Ne2 O-O 10.O-O h6 11.Bxf6 Nxf6 12.Qb3 b6 13.Rfe1 Ba6 14.cxd5 cxd5 15.Bf1 Qd7 16.h3 Rac8 17.a4 Bc4 18.Qb2 Rc6 19.a5 b5 20.Kg2 a6 21.Ng1 Rfc8 22.Ra3 Qf5 23.g4 Nxg4 24.hxg4 Qxg4+ 25.Kh2 Bxf1 26.Rxf1 Rg6 27.f3 Qh4+ 28.Nh3 Qg3+ 0-1
[Event "Rudolf Teschner Mem 2023"]
[Site "Berlin GER"]
[Date "2023.05.18"]
[Round "1.2"]
[White "Costello, C"]
[Black "Kovchan, A"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1880"]
[BlackElo "2459"]
[ECO "A23"]
[Opening "English"]
[Variation "Bremen system, Keres variation"]
[EventDate "2023.05.18"]
[WhiteFideId "403580"]
[BlackFideId "14103052"]
1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 e4 5. Bg2 d5 6. Bg5 Bb4 7. e3 Bxc3+ 8.
bxc3 Nbd7 9. Ne2 O-O 10. O-O h6 11. Bxf6 Nxf6 12. Qb3 b6 13. Rfe1 Ba6 14.
cxd5 cxd5 15. Bf1 Qd7 16. h3 Rac8 17. a4 Bc4 18. Qb2 Rc6 19. a5 b5 20. Kg2
a6 21. Ng1 Rfc8 22. Ra3 Qf5 23. g4 Nxg4 24. hxg4 Qxg4+ 25. Kh2 Bxf1 26.
Rxf1 Rg6 27. f3 Qh4+ 28. Nh3 Qg3+ 0-1