[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "7"]
[White "Haisfield, Bruce"]
[Black "Levy, David Neil Lawrence"]
[Result "0-1"]
[ECO "B93"]
[PlyCount "72"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 b5 8. a4 e5 9. Nf3 b4 10. Na2 Nc6 11. 0-0 Be7 12. Qe1 0-0 13. c3 bxc3 14. Nxc3 Nb4 15. Qe2 Nxd3 16. Qxd3 Bb7 17. Kh1 Rad8 18. fxe5 dxe5 19. Qe2 Rd7 20. Bg5 Rfd8 21. Nh4 h6 22. Bxf6 Bxf6 23. Rxf6 gxf6 24. Nf5 Rd3 25. Nd5 R3xd5 26. exd5 Bxd5 27. Qxa6 Bxg2+ 28. Kxg2 Qc2+ 29. Kh1 Qe4+ 30. Kg1 Qxf5 31. Qe2 Rd4 32. Ra3 Qf4 33. a5 Qc1+ 34. Kf2 Rd2 35. Re3 Rxe2+ 36. Kxe2 Qc5 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "12"]
[White "Rubin, Gene L"]
[Black "Haisfield, Bruce"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "61"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4 Qc7 9. Be3 Nbd7 10. f5 Bc4 11. 0-0 Be7 12. Nd2 Bxe2 13. Qxe2 0-0 14. g4 h6 15. h4 d5 16. exd5 Bb4 17. Nde4 h5 18. gxh5 Kh8 19. Kh1 Rac8 20. h6 Rg8 21. hxg7+ Rxg7 22. Bg5 Nxe4 23. Nxe4 Qxc2 24. Qxc2 Rxc2 25. Rac1 Rxb2 26. Rc7 f6 27. Nxf6 Nf8 28. Rfc1 Rxa2 29. Rxg7 Kxg7 30. Rc7+ Kh8 31. Bh6 1-0

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Bassin, Charles"]
[Black "Haisfield, Bruce"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "91"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bb5 g6 5. Nf3 Bg7 6. 0-0 Nf6 7. Bxc6+ bxc6 8. Qe1 0-0 9. d3 Rb8 10. Rb1 Ne8 11. Bd2 Nc7 12. h3 e6 13. e5 d5 14. g4 Nb5 15. Nxb5 cxb5 16. g5 d4 17. b4 c4 18. Qf2 c3 19. Be1 Qd5 20. Qxd4 Qxa2 21. Bxc3 Qxc2 22. Rbc1 Qb3 23. Nd2 Qd5 24. Qxd5 exd5 25. Rf3 Be6 26. Bd4 Rb7 27. Nb3 Rc8 28. Rxc8+ Bxc8 29. Bc5 h6 30. h4 Bg4 31. Re3 h5 32. Re1 Bf8 33. Ra1 Bd7 34. Kf2 Bxc5+ 35. Nxc5 Rc7 36. Ke3 Bc6 37. Kd4 Rd7 38. Ra6 Rc7 39. Ra3 Re7 40. Rc3 Rc7 41. Nb3 Rc8 42. Na5 Bd7 43. Rxc8+ Bxc8 44. Kxd5 Kf8 45. Kd6 Ke8 46. d4 1-0

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Haisfield, Bruce"]
[Black "Henin, Charles"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "79"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d6 4. d4 Qc7 5. Be2 e5 6. Be3 Nf6 7. Nbd2 Be7 8. h3 0-0 9. 0-0 Nbd7 10. Rc1 b5 11. Bd3 Bb7 12. Qe2 d5 13. Bg5 Rae8 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qe6 17. e5 c4 18. Bc2 Bc5+ 19. Kh2 d4 20. cxd4 Bxd4 21. Qe1 Qc6 22. Nf3 Bxb2 23. Qh4 Ne4 24. Bxe4 Qxe4 25. Rce1 Qf5 26. Be7 Rxe7 27. Qxe7 Qxf4+ 28. g3 Qf5 29. Qxb7 Qc2+ 30. Kh1 Ba3 31. Qe4 Qxa2 32. Ng5 g6 33. e6 f5 34. e7 Re8 35. Qe6+ Kg7 36. Qf7+ Kh6 37. Qxe8 Kxg5 38. Qd8 Bxe7 39. Qxe7+ Kh5 40. Qxh7+ 1-0

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Haisfield, Bruce"]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[ECO "D47"]
[PlyCount "54"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4 9. Ne4 Nxe4 10. Bxe4 Bb7 11. Bd2 Be7 12. Qa4 Qb6 13. a3 a5 14. axb4 axb4 15. Qxa8+ Bxa8 16. Rxa8+ Bd8 17. 0-0 0-0 18. Rfa1 Qb5 19. Rc8 Qb7 20. Raa8 Nb6 21. Rxd8 Nxa8 22. Bxh7+ Kxh7 23. Rxf8 f6 24. e4 Nb6 25. Bf4 e5 26. dxe5 Qe7 27. Rb8 Qa7 0-1

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Haisfield, Bruce"]
[Black "Tabash, A."]
[Result "1-0"]
[ECO "B60"]
[PlyCount "61"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[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 a6 6. Bg5 Nc6 7. Qd2 Qb6 8. Nb3 Be6 9. 0-0-0 0-0-0 10. Nd5 Bxd5 11. exd5 Ne5 12. Be3 Qc7 13. Qb4 Ned7 14. h4 e6 15. dxe6 fxe6 16. Qa4 Be7 17. Rh3 Kb8 18. Be2 Rc8 19. c3 Nd5 20. Bg5 N7f6 21. Nd4 e5 22. Ne6 Qb6 23. Rhd3 Qxf2 24. Bf3 Nb6 25. Qb3 e4 26. Be3 Qxh4 27. Qxb6 Rc5 28. Bxc5 dxc5 29. Qc7+ Ka8 30. Qxe7 exf3 31. Rd8+ 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "7"]
[White "Brandts, Paul"]
[Black "Haisfield, Bruce"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "63"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 c6 10. Nc2 Qe7 11. Bf4 Rd8 12. Qd2 Be6 13. Rad1 d5 14. cxd5 cxd5 15. exd5 Nxd5 16. Ne3 Bxc3 17. bxc3 Nc6 18. Nxd5 Rxd5 19. Qb2 Rad8 20. Rxd5 Rxd5 21. Re1 Ra5 22. c4 Qb4 23. Qxb4 Nxb4 24. Bd2 Ra4 25. Bd1 Rxa2 26. Bxb4 Bxc4 27. Bc3 Kf8 28. f4 b5 29. Bf3 a5 30. Bf6 Rd2 31. Bc6 Be2 32. Bc3 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "9"]
[White "Haisfield, Bruce"]
[Black "Avram, Herbert Mois"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "38"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Be3 Ne5 9. h3 b5 10. f4 Nc4 11. Bxc4 Qxc4 12. e5 Nd5 13. Nxd5 Qxd5 14. Qe2 Bb7 15. Rad1 Qe4 16. a4 b4 17. Rd3 Bd5 18. Qf2 Be7 19. Re1 Bh4 0-1

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "3"]
[White "Haisfield, Bruce"]
[Black "Saidy, Anthony Fred"]
[Result "0-1"]
[ECO "B82"]
[PlyCount "78"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. 0-0 Be7 9. Be3 Qc7 10. f4 a6 11. Bd3 b5 12. Qf3 Bb7 13. Rae1 Rd8 14. g4 d5 15. g5 dxe4 16. Nxe4 Nd5 17. Nec5 Bc8 18. Be4 Ncb4 19. Bd4 a5 20. c3 Nc6 21. Bf2 a4 22. Nc1 Na5 23. N5d3 a3 24. b4 Nc4 25. Bd4 Nd2 26. Qh5 Nxe4 27. Rxe4 Nxc3 28. Bxc3 Qxc3 29. g6 Rxd3 30. gxf7+ Kf8 31. Nxd3 Qxd3 32. Rc1 Bb7 33. Rxe6 Qd4+ 34. Kf1 Qxf4+ 35. Ke2 Qxc1 36. Qxb5 Qb2+ 37. Kd3 Qb1+ 38. Ke2 Qxa2+ 39. Ke3 Qxe6+ 0-1

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "11"]
[White "Haisfield, Bruce"]
[Black "Simms, Gary M"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "77"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 a6 8. Be3 Bd7 9. 0-0 Na5 10. f4 b5 11. a3 Qc7 12. Qf3 Rc8 13. Rad1 Be7 14. g4 0-0 15. g5 Ne8 16. f5 Nc4 17. Bxc4 Qxc4 18. Qh5 exf5 19. exf5 g6 20. Qh6 Bxf5 21. Rf4 Bxg5 22. Qxg5 f6 23. Qg3 Bd7 24. Ndxb5 Qe6 25. Nd4 Qf7 26. Re1 Rc5 27. Nf3 Rh5 28. Rh4 Rf5 29. Nd4 Re5 30. Re4 Rh5 31. Bf4 Rh3 32. Qf2 g5 33. Re7 Qh5 34. Qg2 Kh8 35. Rxd7 Rh4 36. Ree7 gxf4 37. Rxe8 Rg4 38. Rxf8+ Rg8 39. Qxg8# 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "12"]
[White "Truesdel, L David"]
[Black "Haisfield, Bruce"]
[Result "1-0"]
[ECO "A72"]
[PlyCount "71"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 e6 8. Nf3 h6 9. Bh4 exd5 10. cxd5 g5 11. Bg3 Nh5 12. 0-0 Qe7 13. Nd2 Nxg3 14. hxg3 Nd7 15. Nc4 Ne5 16. Na3 a6 17. f4 Ng6 18. e5 gxf4 19. gxf4 Qh4 20. Qe1 Qxe1 21. Raxe1 f5 22. Bh5 Kh7 23. Nc4 dxe5 24. Bxg6+ Kxg6 25. Nb6 Rb8 26. fxe5 f4 27. Nxc8 Rbxc8 28. d6 Rcd8 29. Nd5 Rfe8 30. Ne7+ Kg5 31. Re4 Bf8 32. Nd5 Bxd6 33. Rfe1 Bb8 34. Nxf4 Rxe5 35. Rxe5+ Bxe5 36. Ne6+ 1-0

[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.25"]
[Round "12"]
[White "Haisfield, Bruce"]
[Black "Shelton, Howard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "83"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. Be3 0-0 10. Qc2 Nb4 11. Bxh7+ Kh8 12. Qb3 Kxh7 13. Qxb4 d5 14. c5 Nc4 15. Qxb7 Be6 16. Bf4 g5 17. Bxc7 Qd7 18. c6 Qe8 19. 0-0 f5 20. Rfe1 Qf7 21. Nc1 Rac8 22. Nd3 Bf6 23. Be5 Be7 24. Re2 Na5 25. Qb5 Nxc6 26. Rae1 Rfe8 27. f4 g4 28. Qb3 Bh4 29. g3 Be7 30. Qd1 Bd8 31. Nb5 Ba5 32. Nd6 Qd7 33. Nxe8 Rxe8 34. Nc5 Qf7 35. Rf1 Bb6 36. Qa4 Bd7 37. Qd1 Bc8 38. a3 Bxc5 39. dxc5 Ba6 40. Rfe1 Bxe2 41. Rxe2 d4 42. Bd6 1-0

[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 "1966.08.23"]
[Round "11"]
[White "Haisfield, Bruce"]
[Black "Saidi, Touradj"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "62"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 Nf6 12. Be3 c5 13. a3 Qd7 14. gxf5 gxf5 15. b4 b6 16. Nd3 f4 17. Bd2 Nh5 18. Rf2 Ng6 19. Qa4 Qe7 20. Kf1 Bf6 21. Ke1 Bh4 22. Kd1 Bxf2 23. Nxf2 Bd7 24. Qa6 Rfb8 25. b5 Bc8 26. Qa4 a6 27. Qb3 a5 28. Be1 Nh4 29. Kc2 Ng2 30. Bd2 Qh4 31. Nd3 Qxh2 0-1

[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.22"]
[Round "9"]
[White "Panayotu, Alex"]
[Black "Haisfield, Bruce"]
[Result "1/2-1/2"]
[ECO "D14"]
[PlyCount "80"]
[EventDate "1966.08.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 9. Ne5 0-0 10. f3 Nh5 11. Nxc6 Bxc3+ 12. Qxc3 bxc6 13. Bg3 Nxg3 14. hxg3 Qb6 15. g4 Bg6 16. Bd3 Bxd3 17. Qxd3 Qb4+ 18. Qd2 Rab8 19. Qxb4 Rxb4 20. b3 c5 21. dxc5 Rc8 22. Rc1 Rb5 23. Kd2 Rbxc5 24. Rxc5 Rxc5 25. Rc1 Rxc1 26. Kxc1 Kf8 27. Kd2 Ke7 28. Kd3 e5 29. Kc3 Kd6 30. b4 Kc6 31. a4 a6 32. Kd3 Kb6 33. f4 f6 34. g5 Kc6 35. g4 h6 36. g6 Kb6 37. fxe5 fxe5 38. Ke2 Kc6 39. Kf3 Kc7 40. Kg3 Kd6 1/2-1/2

[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.18"]
[Round "2"]
[White "Saidy, Anthony Fred"]
[Black "Haisfield, Bruce"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "79"]
[EventDate "1966.08.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. Qc2 0-0 8. e3 Ne4 9. Bxe7 Qxe7 10. Bd3 f5 11. 0-0 Be6 12. Ne2 a5 13. Ne5 Nd7 14. f3 Nxe5 15. dxe5 Nc5 16. Nd4 Nxd3 17. Qxd3 Bd7 18. f4 c5 19. Nb5 Bxb5 20. Qxb5 Qc7 21. Rac1 b6 22. Rfd1 Rad8 23. Rd3 Kf7 24. a3 Ke6 25. b4 axb4 26. axb4 c4 27. Rd2 Qb7 28. Rcd1 g6 29. h3 Rg8 30. Kf2 h5 31. h4 Rgf8 32. Ra1 Rb8 33. Kf1 Ra8 34. Rda2 Rxa2 35. Rxa2 Rc8 36. Ra6 Rc6 37. Ra7 Qc8 38. Rg7 Qa8 39. Rxg6+ Kd7 40. Qxd5+ 1-0

[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.14"]
[Round "1"]
[White "Haisfield, Bruce"]
[Black "Chin, Howie"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "93"]
[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. d4 d5 2. c4 Bf5 3. cxd5 Nf6 4. Nc3 Nxd5 5. f3 Nxc3 6. bxc3 e6 7. e4 Bg6 8. Nh3 e5 9. dxe5 Qxd1+ 10. Kxd1 Nc6 11. Bf4 0-0-0+ 12. Kc2 a6 13. Bc4 Re8 14. Ng5 Nxe5 15. Bxe5 Rxe5 16. Nxf7 Bxf7 17. Bxf7 Bc5 18. Rhe1 Rf8 19. Bc4 b5 20. Bd5 Rf6 21. Rad1 b4 22. cxb4 Bxb4 23. Rf1 c6 24. Bc4 Rc5 25. Kb3 Ra5 26. Kxb4 Re5 27. Bxa6+ Kc7 28. Bc4 c5+ 29. Kc3 Rb6 30. Rd5 Re7 31. Rxc5+ Kd6 32. Rd5+ Kc6 33. a4 Rbb7 34. Rfd1 Kb6 35. Rb1+ Kc7 36. Rxb7+ Kxb7 37. a5 Kc6 38. Bb5+ Kb7 39. Rd7+ Rxd7 40. Bxd7 Ka6 41. Kb4 g5 42. e5 Kb7 43. e6 h5 44. e7 g4 45. e8Q gxf3 46. Qc8+ Ka7 47. Bc6 1-0

