[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.23"]
[Round "10"]
[White "Haisfield, Bruce"]
[Black "Jaaska, Eero"]
[Result "1-0"]
[ECO "E55"]
[PlyCount "87"]
[EventDate "1966.08.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. a3 Bxc3 10. bxc3 b6 11. Qe2 Ne4 12. Bb2 Bb7 13. Nd2 Nxd2 14. Qxd2 Qg5 15. f3 Rac8 16. Bd3 c4 17. Bc2 f5 18. Qe2 Nf6 19. a4 Rf7 20. e4 f4 21. Rfb1 Qh5 22. Bc1 g5 23. a5 g4 24. axb6 Rg7 25. Kh1 Qh6 26. bxa7 Nh5 27. Kg1 Nf6 28. Rxb7 Rxb7 29. a8Q Rxa8 30. Rxa8+ Kf7 31. fxg4 Qh4 32. Qf2 Qxg4 33. Qf3 Qh4 34. g3 fxg3 35. hxg3 Qg4 36. Qxg4 Nxg4 37. Kg2 Nf6 38. Kf3 Rc7 39. Ra4 Nd7 40. e5 Nb6 41. Ra3 Ke8 42. Be4 Rf7+ 43. Bf4 Rd7 44. Bc6 1-0

[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.16"]
[Round "4"]
[White "Jaaska, Eero"]
[Black "Vigneau, Stanley"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "39"]
[EventDate "1966.08.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. Bf4 Nbd7 7. Qd2 c5 8. d5 a6 9. a4 a5 10. Bh6 Bxh6 11. Qxh6 e6 12. Ng5 exd5 13. Nxd5 Re8 14. Bb5 Rxe4+ 15. Nxe4 Nxe4 16. 0-0 Ne5 17. h3 b6 18. Rae1 Nf6 19. Nxf6+ Qxf6 20. f4 1-0

[Event "corr"]
[Site "corr"]
[Date "1965.??.??"]
[Round "?"]
[White "Jaaska, Eero"]
[Black "Harvey, C."]
[Result "0-1"]
[ECO "B92"]
[PlyCount "90"]
[EventDate "1965.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Qc7 10. a4 b6 11. Qd2 Be6 12. Rfd1 Rc8 13. Nc1 Qb7 14. f3 Nc6 15. N1a2 Rd8 16. Nd5 Bxd5 17. exd5 Nb8 18. c4 a5 19. b4 axb4 20. Nxb4 Nfd7 21. Rdb1 Nc5 22. Bd1 Qc7 23. Bc2 Bf8 24. Qf2 Re8 25. Bd2 e4 26. Re1 f5 27. fxe4 Nxe4 28. Bxe4 fxe4 29. Be3 Qxc4 30. Rab1 Rxa4 31. Rbc1 Qxb4 32. Rc7 Be7 33. Rec1 Bf6 34. Qf5 Nc6 35. R7xc6 Ra1 36. Rxa1 Bxa1 37. Rc1 Qa4 38. Rf1 Qa7 39. Kh1 Bf6 40. g4 Bd8 41. h4 Bxh4 42. g5 Qe7 43. Qg4 Rf8 44. Rxf8+ Qxf8 45. Qxh4 Qf3+ 0-1

