[Event "International tournament"]
[Site "Havana"]
[Date "1940.01.??"]
[Round "6"]
[White "González de Vega, Juan"]
[Black "Koltanowski, George"]
[Result "0-1"]
[ECO "D81"]
[PlyCount "74"]
[EventDate "1940.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[Source "http://ichessbase.com/icbgame.aspx?id=13164969"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Nc6 6. Nf3 Bg7 7. g3 Be6 8.
Qa4 Nd5 9. Bg2 O-O 10. e3 Nb6 11. Qd1 Qc8 12. O-O Rd8 13. Ng5 Bc4 14. Re1 h6
15. b3 hxg5 16. bxc4 Nxc4 17. Ne4 e5 18. Qc2 Nb6 19. dxe5 Nxe5 20. Rb1 g4 21.
Nc5 Nf3+ 22. Bxf3 gxf3 23. Qe4 Rd5 24. Ba3 Bf8 25. Rec1 Qf5 26. Qxf5 gxf5 27.
Rb3 Rad8 28. h3 Rd1+ 29. Rxd1 Rxd1+ 30. Kh2 Nc4 31. Bb4 a5 32. Rc3 Nd2 33. Ba3
Nf1+ 34. Kg1 Nxg3+ 35. Kh2 Nf1+ 36. Kg1 Nxe3+ 37. Kh2 Bd6# 0-1

[Event "International tournament"]
[Site "Havana"]
[Date "1940.01.??"]
[Round "7"]
[White "Koltanowski, George"]
[Black "Kashdan, Isaac"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "80"]
[EventDate "1940.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[Source "http://ichessbase.com/icbgame.aspx?id=13164971"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Qe2
b6 9. e4 dxe4 10. Nxe4 cxd4 11. Nxd4 Bb7 12. Rd1 Qc8 13. Bg5 Re8 14. Nxf6+ Nxf6
15. Bxf6 Bxf6 16. Be4 a6 17. Nf3 Qc7 18. Rd3 Rad8 19. Bxb7 Qxb7 20. Rad1 Rxd3
21. Rxd3 g6 22. Qd1 Qc8 23. Rd7 Rd8 24. Rxd8+ Qxd8 25. Qxd8+ Bxd8 26. Kf1 Kf8
27. Ke2 Ke7 28. Kd3 Kd6 29. b4 e5 30. Nd2 f5 31. f3 Bc7 32. c4 Kc6 33. h3 Bd6
34. Kc3 Be7 35. a3 Kd7 36. Kd3 Ke6 37. Nb3 h5 38. Nd2 Kd7 39. Nb3 Kc6 40. Nd2
Bf8 1/2-1/2

[Event "International tournament"]
[Site "Havana"]
[Date "1940.02.02"]
[Round "9"]
[White "Koltanowski, George"]
[Black "Paz Peñalver, José"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "53"]
[EventDate "1940.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[Source "http://ichessbase.com/icbgame.aspx?id=12514883"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. c4 Nbd7 7. Nc3 e5 8. h3
Re8 9. Be3 c6 10. Rc1 h6 11. dxe5 dxe5 12. b4 Qc7 13. Qb3 Nb6 14. a4 Be6 15.
Nd2 Rad8 16. a5 Nc8 17. Nd5 Qd7 18. Nxf6+ Bxf6 19. Ne4 Bg7 20. Bxh6 Bxh3 21.
Bg5 Bxg2 22. Kxg2 Ne7 23. Rcd1 Qf5 24. Qf3 Rb8 25. Nf6+ Bxf6 26. Bxf6 Kf8 27.
Qxf5 1-0