[Event "URS-ch24 Quarterfinal"]
[Site "Frunze"]
[Date "1956.??.??"]
[Round "?"]
[White "Bolshakov, E."]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "83"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 h5 7. h3 e5 8. Be3 Be6 9. Qd2 Qd7 10. f4 Nd4 11. fxe5 dxe5 12. 0-0-0 Ne7 13. Rdf1 f6 14. Kb1 0-0-0 15. b3 b6 16. Kb2 Qc6 17. Qe1 Kb8 18. Qf2 Rd7 19. Rc1 Rhd8 20. Rhd1 Rd6 21. Qf1 Qc8 22. Ng1 R8d7 23. Nb1 Qd8 24. Rd2 Bg8 25. Rcd1 b5 26. c3 Qa5 27. cxd4 cxd4 28. Bf2 Ra6 29. a3 b4 30. Ka1 bxa3 31. Ra2 Rb7 32. Be1 Qb6 33. Nd2 Nc6 34. Ngf3 Na5 35. Rb1 Bxb3 36. Nxb3 Nxb3+ 37. Rxb3 Qxb3 38. Bd2 Qb2+ 39. Rxb2 axb2+ 40. Kb1 Ra1+ 41. Kc2 Rc1+ 42. Bxc1 0-1

[Event "UKR-ch23"]
[Site "Kiev"]
[Date "1954.??.??"]
[Round "?"]
[White "Bolshakov, E."]
[Black "Gufeld, Eduard"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "41"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "UKR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 a6 10. g4 Ne5 11. Bb3 b5 12. 0-0-0 a5 13. g5 b4 14. Na4 Nh5 15. f4 Nd7 16. Bxf7+ Rxf7 17. Ne6 Qe8 18. Nc7 Qd8 19. Ne6 Qe8 20. Nc7 Qd8 21. Ne6 1/2-1/2

