[Event "Moscow"]
[Site "Moscow"]
[Date "1936.??.??"]
[Round "?"]
[White "Simagin, Vladimir Pavlovich"]
[Black "Yakubovich, N."]
[Result "1-0"]
[ECO "A44"]
[PlyCount "51"]
[EventDate "1936.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "URS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 g6 4. Nc3 Bg7 5. d6 Nf6 6. Bg5 Qa5 7. Qd2 0-0 8. Nf3 Nc6 9. Bxf6 Bxf6 10. Nd5 Qxd2+ 11. Kxd2 Bg7 12. Bc4 Rb8 13. a4 h6 14. h4 b6 15. h5 g5 16. Nxg5 hxg5 17. h6 Bh8 18. h7+ Kg7 19. Ne3 Re8 20. Rh5 f6 21. Nf5+ Kf8 22. Rh6 Na5 23. Bg8 Ba6 24. b3 Re6 25. Rg6 Rxd6+ 26. Nxd6 1-0

[Event "RUS corr"]
[Site "Russia"]
[Date "1886.??.??"]
[Round "?"]
[White "Arnold"]
[Black "Yakubovich, N."]
[Result "1-0"]
[ECO "C52"]
[PlyCount "39"]
[EventDate "1886.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 0-0 8. dxe5 Nxe4 9. Bd5 Nc5 10. Ng5 g6 11. f4 d6 12. f5 Nxe5 13. fxg6 hxg6 14. Qd4 Bg4 15. Nxf7 Nxf7 16. Qxg4 Kg7 17. Bxf7 Rxf7 18. Bh6+ Kxh6 19. Rxf7 Qg5 20. Rh7+ 1-0

[Event "RUS corr"]
[Site "Russia"]
[Date "1879.??.??"]
[Round "?"]
[White "Chigorin, Mikhail Ivanovich"]
[Black "Yakubovich, N."]
[Result "1-0"]
[ECO "C51"]
[PlyCount "47"]
[EventDate "1879.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. 0-0 d6 7. d4 exd4 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 f6 11. Bf4 Nxc4 12. Qa4+ Qd7 13. Qxc4 Qf7 14. Nd5 Be6 15. Qa4+ Bd7 16. Qa3 Rc8 17. Rfe1 Be6 18. Nxb6 axb6 19. e5 fxe5 20. Ng5 Qxf4 21. Nxe6 Qh6 22. dxe5 d5 23. Qf8+ Kd7 24. Nc5+ 1-0

