[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "3"]
[White "Dastur, Soli"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "D60"]
[PlyCount "62"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 h6 9. Bh4 b6 10. e4 Nxe4 11. Bxe7 Nxc3 12. bxc3 Qxe7 13. cxd5 cxd5 14. a4 Bb7 15. Qb3 Qd6 16. Nd2 e5 17. Rfe1 e4 18. Be2 Kh8 19. Rad1 f5 20. f3 Rac8 21. c4 e3 22. Nf1 f4 23. Rc1 Rc7 24. g3 dxc4 25. Rxc4 fxg3 26. Nxg3 Rxc4 27. Bxc4 Rxf3 28. d5 Rxg3+ 29. hxg3 Qxg3+ 30. Kh1 Qxe1+ 31. Kg2 Qf2+ 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "10"]
[White "Duhlmeier, William"]
[Black "Arce, Julio"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "67"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 h6 7. 0-0 g5 8. h3 Bg7 9. Re1 Bd7 10. a4 Ne5 11. Ba2 Qc8 12. Bd2 Nd3 13. Re3 Nf4 14. Rc1 Qd8 15. e5 Be6 16. Bxe6 Nxe6 17. exd6 Qxd6 18. Nb5 Qb6 19. Rxe6 fxe6 20. Nc7+ Kf7 21. Nxa8 Qd6 22. Qb3 Nf6 23. Qxb7 Rb8 24. Qxa7 Ne4 25. Be3 Bxb2 26. Rb1 Rb4 27. Nb6 Nc3 28. Nc8 Ne2+ 29. Kh1 Qd8 30. Qc5 Bc3 31. Rxb4 Qd1+ 32. Kh2 Bxb4 33. Qxb4 Qd8 34. Qc4 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "1"]
[White "Duhlmeier, William"]
[Black "Hayes, Rea B"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "41"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. Bg5 Qb6 6. Na4 Qa5+ 7. Bd2 Qc7 8. cxd5 c4 9. dxe6 Bxe6 10. Nc3 Bb4 11. g3 0-0 12. Bg2 Nc6 13. 0-0 Rad8 14. Bg5 Qa5 15. Bxf6 gxf6 16. Qd2 Qh5 17. Qf4 Be7 18. Rad1 Kg7 19. d5 Bxd5 20. Nxd5 Rxd5 21. g4 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "4"]
[White "Duhlmeier, William"]
[Black "Rueckert, Adam"]
[Result "1-0"]
[ECO "E78"]
[PlyCount "57"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Bg4 7. Be2 c5 8. d5 Nbd7 9. 0-0 a6 10. a4 Qc7 11. h3 Bxf3 12. Bxf3 Ne8 13. Be3 f5 14. Qc2 fxe4 15. Nxe4 Qb6 16. Ng5 Bf6 17. Bg4 Bxg5 18. Be6+ Kg7 19. fxg5 Rxf1+ 20. Rxf1 Ne5 21. Bf4 Nf6 22. gxf6+ exf6 23. b3 Rd8 24. Qc3 Qb4 25. Qg3 b5 26. Bh6+ Kh8 27. Rxf6 bxa4 28. Qf2 Qb8 29. Rf7 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "7"]
[White "Duhlmeier, William"]
[Black "Rueckert, Walter"]
[Result "1/2-1/2"]
[ECO "D50"]
[PlyCount "120"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e4 Qa5 6. Bxf6 gxf6 7. Bd3 dxc4 8. Bxc4 Nd7 9. Nge2 b5 10. Bb3 Bb7 11. a3 a6 12. 0-0 Rd8 13. f4 c5 14. Bc2 Rg8 15. d5 Qb6 16. Ng3 c4+ 17. Kh1 Nc5 18. Qh5 Rg6 19. dxe6 Nxe6 20. Nd5 Bxd5 21. exd5 Rh6 22. Qf3 Nd4 23. Rfe1+ Kd7 24. Bf5+ Kc7 25. Qe4 Qc5 26. Rad1 Qxd5 27. Bxh7 Bc5 28. Qxd5 Rxd5 29. Be4 Rd8 30. Nf5 Nxf5 31. Bxf5 Rxd1 32. Rxd1 Bd6 33. g3 Rh8 34. Kg2 Rd8 35. h4 Bf8 36. Rxd8 Kxd8 37. Be4 Ke7 38. Bb7 a5 39. Ba6 f5 40. Bxb5 Bg7 41. Bxc4 Bxb2 42. a4 Kf6 43. Kf3 Bc3 44. Bd3 Ke6 45. h5 Kf6 46. h6 Kg6 47. g4 Kxh6 48. Bxf5 f6 49. Ke4 Kg7 50. Bd7 Bb4 51. Kf5 Bc3 52. g5 fxg5 53. Kxg5 Kf8 54. Kf5 Be1 55. Ke6 Bd2 56. f5 Be1 57. Bb5 Bd2 58. f6 Be1 59. Bc4 Bd2 60. Kd6 Be1 1/2-1/2

[Event "Cincinnati-ch playoff"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "1"]
[White "Duhlmeier, William"]
[Black "Thayer, Michael"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "60"]
[EventDate "1966.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. a3 Bxd2+ 5. Qxd2 Nf6 6. Nc3 d5 7. e3 b6 8. cxd5 exd5 9. Bd3 Ba6 10. Bxa6 Nxa6 11. Qd3 Nb8 12. Nf3 0-0 13. Ne5 c5 14. 0-0 c4 15. Qf5 Qe6 16. Qc2 a6 17. a4 Nc6 18. f4 Nb4 19. Qb1 Nd7 20. f5 Qd6 21. Nxd7 Qxd7 22. f6 Qe6 23. e4 dxe4 24. Nxe4 Nd3 25. fxg7 Kxg7 26. Nf2 Qd5 27. Qd1 Qxd4 28. Kh1 Nxf2+ 29. Rxf2 Qxf2 30. Qg4+ Kh8 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "6"]
[White "Duhlmeier, William"]
[Black "Timmel, Robert"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "64"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[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. Qc2 c5 5. e3 b6 6. Bd3 Bb7 7. f3 cxd4 8. exd4 d5 9. a3 Be7 10. Nge2 dxc4 11. Bxc4 Nc6 12. Be3 Rc8 13. Rd1 Na5 14. Bd3 0-0 15. 0-0 Bd5 16. Rde1 Bb3 17. Qb1 Nc4 18. Bg5 h6 19. Bxh6 gxh6 20. Qc1 Kg7 21. Qf4 Bd6 22. Qh4 Rh8 23. f4 Nxb2 24. Rf3 Nxd3 25. Rxd3 Bc2 26. Re3 Bg6 27. Rg3 Nd5 28. Qg4 Nxc3 29. Nxc3 h5 30. Qf3 Qf6 31. Ne4 Qxf4 32. Nxd6 Qxd6 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "9"]
[White "Ernst, Dick"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "103"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Nbd7 6. e3 c6 7. Bd3 h6 8. Bh4 Be7 9. Nf3 0-0 10. 0-0 Re8 11. a3 a5 12. Rc1 b5 13. Ne2 Qb6 14. Bb1 Ba6 15. h3 Ne4 16. Bxe7 Rxe7 17. Nf4 b4 18. Bd3 Rc8 19. Bxa6 Qxa6 20. Qd3 Qb7 21. Qb3 Nb6 22. Rc2 bxa3 23. bxa3 Nc4 24. Qa2 Rb8 25. Nd3 Qb3 26. Nde5 Qxa2 27. Rxa2 Rbb7 28. Nxc4 dxc4 29. Rc1 c3 30. Ne1 Rb2 31. Rc2 Reb7 32. Nd3 Rxa2 33. Rxa2 Rb1+ 34. Kh2 Rd1 35. f3 Rd2 36. Nc1 Nd6 37. Ra1 Nc4 38. Nb3 Rb2 39. Nc5 Nxe3 40. Kg3 c2 41. Rc1 Rb1 42. Nd3 Rb3 43. Ne1 Nf5+ 44. Kf4 Nxd4 45. Ke4 c5 46. a4 Rc3 47. Kd5 Kf8 48. Ke4 Ke7 49. Kd5 Kd7 50. Ke4 Kd6 51. Nd3 f5+ 52. Ke3 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "2"]
[White "Hannon, Daniel"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "102"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 Nbd7 5. c5 c6 6. a4 a5 7. Bd2 b6 8. cxb6 Qxb6 9. Bc3 Ne4 10. Qc2 Be7 11. Bd3 f5 12. 0-0 0-0 13. Nbd2 Rb8 14. Rab1 g5 15. Bxe4 fxe4 16. Ne5 Nxe5 17. dxe5 Ba6 18. Rfc1 Bd3 19. Qd1 Bxb1 20. Rxb1 Rbe8 21. Nb3 Bb4 22. Bxb4 Qxb4 23. Nd4 c5 24. Nb5 Re7 25. b3 Ref7 26. Rb2 c4 27. Nd4 c3 28. Rc2 Qe7 29. Qe1 g4 30. Qxc3 h5 31. Qxa5 h4 32. Qb6 g3 33. hxg3 hxg3 34. Qxe6 Qxe6 35. Nxe6 Rxf2 36. Rxf2 Rxf2 37. Nd4 Kf7 38. e6+ Kf6 39. a5 Ra2 40. Kf1 Rxa5 41. e7 Ra1+ 42. Ke2 Ra2+ 43. Ke1 Kxe7 44. Ne2 Kd6 45. Nxg3 Rxg2 46. Ne2 Kc5 47. Nc1 Kb4 48. Kd1 Rg1+ 49. Kd2 Rxc1 50. Kxc1 Kxb3 51. Kd2 Kb2 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "5"]
[White "Mairose, Lee"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "76"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. Bf3 Nbd7 11. h3 Rc8 12. Qd2 b5 13. a4 b4 14. Nd5 Nxd5 15. exd5 Bf5 16. Qxb4 Bxc2 17. Na5 Nc5 18. Be2 Qd7 19. Bxc5 Rxc5 20. Bxa6 Ra8 21. Bb5 Qc7 22. Nb3 Rxd5 23. Bc4 Bxb3 24. Qxb3 Rb8 25. Qxb8+ Qxb8 26. Bxd5 g5 27. a5 Bd8 28. Rfc1 Qxb2 29. Rcb1 Qd4 30. a6 Bb6 31. Rxb6 Qxa1+ 32. Kh2 Kf8 33. Bc4 Qa4 34. Rb7 Qxc4 35. a7 Qf4+ 36. g3 Qxf2+ 37. Kh1 Qf3+ 38. Kh2 Qxb7 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "8"]
[White "Thayer, Michael"]
[Black "Duhlmeier, William"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "85"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b4 a5 2. b5 Nf6 3. e3 g6 4. Nf3 b6 5. a4 Bg7 6. Bb2 0-0 7. Be2 Bb7 8. c4 d6 9. d4 Nbd7 10. Nbd2 c6 11. Rc1 Rc8 12. 0-0 cxb5 13. cxb5 Re8 14. Bc4 e5 15. dxe5 Nxe5 16. Be2 h6 17. Rxc8 Qxc8 18. Nxe5 dxe5 19. Nc4 Rd8 20. Qa1 Qf5 21. Bxe5 h5 22. Rd1 Rxd1+ 23. Qxd1 Ne4 24. f4 Bxe5 25. Nxe5 Nc3 26. Qd8+ Kg7 27. Bd3 Be4 28. Qd4 Bxd3 29. Qxc3 Be2 30. Kf2 Bd1 31. Nd7+ f6 32. Nxb6 Qe6 33. Qd2 Bb3 34. Qd7+ Qxd7 35. Nxd7 Bxa4 36. b6 Bc6 37. Nc5 Kf7 38. b7 Bxb7 39. Nxb7 a4 40. Nc5 a3 41. e4 Ke7 42. Ke3 Kd6 43. Kd4 1-0

[Event "Cincinnati-ch playoff"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "2"]
[White "Thayer, Michael"]
[Black "Duhlmeier, William"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "63"]
[EventDate "1966.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nd4 g6 9. Nc3 Bg7 10. 0-0-0 c5 11. Nxe6 fxe6 12. Re1 e5 13. f4 Nc6 14. fxe5 dxe5 15. g3 0-0 16. Bg2 Nd4 17. Qxe5 Qxe5 18. Rxe5 Ng4 19. Rxc5 Rf2 20. Bd5+ Kh8 21. Ne4 Re2 22. a3 Ne3 23. Bxe3 Rxe3 24. Rf1 Bh6 25. Kb1 Nf3 26. Rd1 Re8 27. h3 b6 28. Rc7 Re2 29. Nf6 Nd2+ 30. Ka2 R8e7 31. Rc8+ Kg7 32. Ng4 1-0

[Event "Cincinnati  op"]
[Site "Cincinnati"]
[Date "1964.07.12"]
[Round "5"]
[White "Duhlmeier, William"]
[Black "Berry, George Wendel"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "92"]
[EventDate "1964.07.11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. d5 Nb4 10. Nc3 Bf5 11. Nge2 Nd3+ 12. Kf1 Qf6 13. Be3 Nxb2 14. Qc1 Nd3 15. Qa3 e5 16. Qa5 Bd7 17. Ne4 Qg6 18. Nc5 Nxc5 19. Bxc5 Bxc5 20. Qxc5 Rc8 21. Qb4 Qg4 22. Qd6 f6 23. f3 Qf5 24. Kf2 Bb5 25. Rhe1 Qd7 26. Qb4 Nxd5 27. Bxd5 Qxd5 28. Rac1 Rxc1 29. Rxc1 Bc6 30. Rc5 Qe6 31. f4 exf4 32. Rc4 Qe3+ 33. Ke1 Qe7 34. Qb3 a5 35. Rxf4 a4 36. Qc4 Qe5 37. g3 Ke7 38. Rg4 g6 39. Rd4 Bb5 40. Qb4+ Kf7 41. Re4 Qa1+ 42. Kf2 Re8 43. Rxe8 Bxe8 44. Qc4+ Kg7 45. Qc7+ Bf7 46. Qxb7 Qxa2 0-1

[Event "Cincinnati  op"]
[Site "Cincinnati"]
[Date "1964.07.12"]
[Round "4"]
[White "Timmel, Robert"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "B98"]
[PlyCount "94"]
[EventDate "1964.07.11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 e5 10. Nb3 Nc6 11. f5 b5 12. Bxf6 Bxf6 13. 0-0-0 Bb7 14. Nd5 b4 15. g4 a5 16. Kb1 a4 17. Nc1 Nd4 18. Rxd4 exd4 19. Bb5+ Kf8 20. Nd3 Bxd5 21. exd5 b3 22. cxb3 axb3 23. a3 Kg8 24. Re1 Kh7 25. Qe2 Bh4 26. Rg1 Qg5 27. Nc1 Rab8 28. Rg2 Rhc8 29. Nxb3 Qe3 30. Qxe3 dxe3 31. a4 Bf2 32. Nd4 Rc5 33. Bc6 Rb4 34. Ne2 Kg8 35. g5 hxg5 36. Rxg5 Rb3 37. Nf4 Rc4 38. Ne2 Bh4 39. Rg2 Bf6 40. Ng3 Rcb4 41. Kc1 Bxb2+ 42. Kd1 Be5 43. Bb5 Rd4+ 44. Kc2 Ra3 45. Re2 Rb4 46. Kd1 Rb1+ 47. Kc2 Ra2+ 0-1

[Event "Cincinnati  op"]
[Site "Cincinnati"]
[Date "1964.07.11"]
[Round "2"]
[White "Duhlmeier, William"]
[Black "Struss, John H"]
[Result "1-0"]
[ECO "C21"]
[PlyCount "29"]
[EventDate "1964.07.11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Nxc3 Bb4 5. Bc4 Bxc3+ 6. bxc3 Qe7 7. Qe2 d6 8. Nf3 Nf6 9. 0-0 d5 10. exd5 Qxe2 11. Bxe2 Nxd5 12. Bc4 Ne7 13. Re1 Kd8 14. Ba3 Nec6 15. Ng5 1-0

[Event "Cincinnati  op"]
[Site "Cincinnati"]
[Date "1964.07.11"]
[Round "1"]
[White "Etson, Don"]
[Black "Duhlmeier, William"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "78"]
[EventDate "1964.07.11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 Nxe4 4. Nf3 d5 5. Qe2 Bg4 6. Nbd2 Nxd2 7. Qxe5+ Be6 8. Bxd2 dxc4 9. 0-0-0 Nd7 10. Qb5 a6 11. Qxb7 Rb8 12. Qe4 Nf6 13. Qc6+ Qd7 14. Qxa6 Nd5 15. Ne5 Qb5 16. Qxb5+ Rxb5 17. Nxc4 Be7 18. a4 Rb7 19. Na5 Ra7 20. b3 0-0 21. Nc6 Ba3+ 22. Kb1 Ra6 23. Ne5 Rb8 24. Nc4 Nc3+ 25. Bxc3 Bxc4 26. Ka2 Bb4 27. Bxb4 Rxb4 28. Rhe1 Rb8 29. Ka3 Bd5 30. Re7 c6 31. f3 Be6 32. c4 Kf8 33. Rc7 Bf5 34. Rd2 Rab6 35. c5 Rxb3+ 36. Ka2 Bb1+ 37. Ka1 Ra8 38. Ra2 Bxa2 39. Kxa2 Rb4 0-1

[Event "Cincinnati  op"]
[Site "Cincinnati"]
[Date "1964.07.11"]
[Round "3"]
[White "Petrison, John"]
[Black "Duhlmeier, William"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "49"]
[EventDate "1964.07.11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e5 5. 0-0 d6 6. Nc3 Be7 7. e3 h6 8. d4 Nbd7 9. d5 0-0 10. e4 c6 11. Nh4 a5 12. Nf5 Nc5 13. Re1 a4 14. Be3 Ba6 15. Bxc5 bxc5 16. Qxa4 cxd5 17. cxd5 Kh7 18. Qc2 g6 19. Ne3 Qc7 20. b3 Rfb8 21. Bf1 Bc8 22. Nb5 Qa5 23. a4 Qd8 24. Nd1 Bd7 25. Ndc3 1/2-1/2

