[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.26"]
[Round "12"]
[White "Bourke, Alan W"]
[Black "Blackstone, John"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "43"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Bd3 e5 8. Nge2 Nbd7 9. Qd2 exd4 10. Nxd4 d5 11. exd5 cxd5 12. 0-0 dxc4 13. Bxc4 Nb6 14. Bb3 Nbd5 15. Nxd5 Nxd5 16. Bf2 Ne7 17. Rad1 a6 18. Rfe1 Nf5 19. Nxf5 Bxf5 20. g4 Qxd2 21. Rxd2 Bc8 22. Bc5 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.23"]
[Round "9"]
[White "Smith, Adam1111"]
[Black "Bourke, Alan W"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "51"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Be3 Bb6 6. 0-0 d6 7. c3 Be6 8. Bb3 Qd7 9. Nbd2 h6 10. Qc2 Bxe3 11. fxe3 d5 12. exd5 Bxd5 13. e4 Bxb3 14. Nxb3 0-0-0 15. Rad1 Rhe8 16. Rfe1 Qg4 17. Qf2 Rd6 18. Qh4 Qd7 19. d4 g5 20. Qf2 g4 21. Nfd2 Qe7 22. Nc4 Rdd8 23. d5 Nb8 24. Qxa7 Qd7 25. Nc5 Qb5 26. a4 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.22"]
[Round "8"]
[White "Hanken, Jerome B"]
[Black "Bourke, Alan W"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "61"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. d3 Nc6 6. c4 Be7 7. Nc3 d4 8. Nb5 a6 9. Na3 0-0 10. Nc2 Qc7 11. b4 e5 12. bxc5 Bxc5 13. Bg5 Nd7 14. e3 dxe3 15. Bxe3 Rd8 16. Ng5 Be7 17. Qh5 Bxg5 18. Bxg5 Re8 19. Ne3 Nc5 20. Nd5 Qd6 21. f4 e4 22. f5 Nxd3 23. f6 Qc5+ 24. Kh1 Qxc4 25. Nb6 Qd4 26. Nxa8 Nf2+ 27. Rxf2 Qxa1+ 28. Rf1 Qxa2 29. Nc7 Re5 30. fxg7 e3 31. Bd5 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.21"]
[Round "7"]
[White "Bourke, Alan W"]
[Black "Osbun, Erik Delwin"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "76"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 Ne7 8. Nc3 Ng6 9. Qe2 Be7 10. Rd1 Bd7 11. Qc4 Qb8 12. h3 Qb7 13. 0-0 Nf4 14. Bxf4 exf4 15. a4 a5 16. Qd3 g5 17. e5 fxe5 18. dxe5 0-0-0 19. Ne4 g4 20. e6 Bxe6 21. Nfg5 Bd5 22. hxg4 Rhg8 23. Nf3 Rxg4 24. Nf6 Bxf3 25. Qxf3 Rg7 26. Qh3+ Kb8 27. Rd3 Ka8 28. Rb3 Qa7 29. Nh5 Rf7 30. Qe6 Rdf8 31. Qd7 Qc5 32. Qxc7 Bh4 33. Rb8+ Rxb8 34. Qxf7 Rxb2 35. Nxf4 Bxf2+ 36. Kh1 Qxc2 37. Ne6 Qg6 38. Qd7 Qh6# 0-1

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.20"]
[Round "6"]
[White "Bourke, Alan W"]
[Black "Gross, Ronald Joseph"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "101"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 0-0 10. h3 Na5 11. Bc2 Be6 12. Na3 c6 13. d4 Qc7 14. axb5 cxb5 15. d5 Bd7 16. Bg5 h6 17. Bc1 Nh7 18. Kh1 Nc4 19. Bd3 Nxa3 20. Rxa3 f5 21. exf5 Bxf5 22. Bxf5 Rxf5 23. Qd3 Qd7 24. Nd2 a5 25. b4 a4 26. c4 bxc4 27. Nxc4 Raf8 28. Be3 Bg5 29. Rfa1 Bxe3 30. Nxe3 Rxf2 31. Ng4 R2f4 32. Rxa4 Rd4 33. Qg6 Rd1+ 34. Rxd1 Qxa4 35. Rc1 Qa3 36. Rc7 Qa1+ 37. Kh2 e4 38. Nxh6+ Kh8 39. Nf7+ Kg8 40. Qe6 Nf6 41. Rc8 Rxc8 42. Ng5+ Kh8 43. Qxc8+ Ng8 44. Nf7+ Kh7 45. Qf5+ g6 46. Qxe4 Nf6 47. Qe6 Qd4 48. Qxd6 Nxd5 49. b5 Qc4 50. Qe5 Kg8 51. Nd6 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.16"]
[Round "3"]
[White "Mortz, John R"]
[Black "Bourke, Alan W"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "42"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 a6 4. d4 exd4 5. 0-0 Be7 6. c3 b5 7. Bb3 d6 8. cxd4 Nf6 9. e5 dxe5 10. dxe5 Qxd1 11. Rxd1 Nd7 12. Bd5 Bb7 13. Bxf7+ Kxf7 14. Rxd7 Rhd8 15. Rxd8 Rxd8 16. Nc3 b4 17. Ng5+ Kg8 18. Ne6 Rd7 19. Bg5 bxc3 20. Bxe7 c2 21. Re1 Rd1 0-1

