[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "4"]
[White "Arce, Julio"]
[Black "Mairose, Lee"]
[Result "1-0"]
[ECO "C56"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. 0-0 0-0 6. d4 exd4 7. cxd4 Bb6 8. e5 Ne4 9. d5 Nxf2 10. Rxf2 Bxf2+ 11. Kxf2 Na5 12. Bd3 f6 13. b4 fxe5 14. bxa5 Qh4+ 15. Kg1 Rxf3 16. gxf3 Qd4+ 17. Kh1 Qxa1 18. Qb3 Qd4 19. d6+ Kh8 20. Qf7 Qxd3 21. Qe8# 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "9"]
[White "Dastur, Soli"]
[Black "Mairose, Lee"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "93"]
[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 Bf5 5. Bxf6 exf6 6. cxd5 cxd5 7. Qb3 Be6 8. e4 dxe4 9. d5 Bc8 10. Qa4+ Bd7 11. Qxe4+ Qe7 12. Bd3 Qxe4+ 13. Bxe4 Bg4 14. Nb5 Bb4+ 15. Kf1 Ba5 16. Nd6+ Kd7 17. Nxb7 Bb4 18. d6 Nc6 19. a3 Bxd6 20. f3 Be6 21. Rd1 Ke7 22. Nxd6 Rad8 23. Bxc6 Rxd6 24. Rxd6 Kxd6 25. Bb5 Rc8 26. Ne2 Rc2 27. Kf2 Rxb2 28. a4 Ra2 29. Rc1 Bb3 30. Rc6+ Ke5 31. Ra6 Bd1 32. Ke3 Ra3+ 33. Kd2 Bxe2 34. Kxe2 Kd4 35. Rxa7 Ra2+ 36. Kf1 Ke3 37. Re7+ Kf4 38. Re4+ Kg5 39. Re2 Ra1+ 40. Kf2 Rh1 41. Ra2 Rxh2 42. a5 h5 43. Kg3 Rh1 44. a6 h4+ 45. Kf2 h3 46. Kg3 h2 47. a7 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "2"]
[White "Ernst, Dick"]
[Black "Mairose, Lee"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "49"]
[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 Be7 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 c6 9. Nf3 0-0 10. 0-0 Ne4 11. Nxe4 dxe4 12. Qb3 exf3 13. Bxe7 Qxe7 14. gxf3 b6 15. Rac1 Qg5+ 16. Kh1 Qd5 17. Qxd5 cxd5 18. Rc3 Na6 19. Rfc1 Nb4 20. Rb3 Na6 21. Ra3 Nb8 22. Rc7 Rd8 23. Raxa7 Rxa7 24. Rxa7 Nd7 25. Rc7 1/2-1/2

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "8"]
[White "Hannon, Daniel"]
[Black "Mairose, Lee"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "109"]
[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. Nf3 Bf5 5. cxd5 cxd5 6. g3 e6 7. Bg2 Nbd7 8. Nh4 Be4 9. f3 Bg6 10. 0-0 e5 11. Nxg6 fxg6 12. dxe5 Bc5+ 13. Kh1 Nxe5 14. Bg5 Qd7 15. Bxf6 gxf6 16. f4 Ng4 17. Nxd5 0-0 18. Bh3 Nf2+ 19. Rxf2 Qxh3 20. Rg2 Rad8 21. Nxf6+ Kg7 22. Qc2 Rxf6 23. Qxc5 Qd7 24. Qxa7 Rd6 25. Qf2 Rd1+ 26. Rxd1 Qxd1+ 27. Rg1 Qd5+ 28. Qf3 Qxf3+ 29. exf3 Rd2 30. Rb1 Rf2 31. Kg1 Rxf3 32. b4 Rd3 33. a4 b6 34. a5 bxa5 35. bxa5 Ra3 36. Rb5 Ra2 37. h4 Kh6 38. Rg5 Kg7 39. h5 Kf6 40. hxg6 hxg6 41. Kf1 Kf7 42. Ke1 Kf6 43. Kd1 Kf7 44. Kc1 Kf6 45. Kb1 Rd2 46. a6 Rd7 47. Ra5 Ra7 48. Kc2 Ke6 49. Kc3 Kd6 50. Kd4 Kc6 51. Rg5 Rg7 52. Ke5 Kb6 53. Kf6 Rd7 54. Rxg6 Kxa6 55. f5 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "6"]
[White "Johnson, Clarence"]
[Black "Mairose, Lee"]
[Result "0-1"]
[ECO "B33"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 Bxc3+ 8. bxc3 0-0 9. Be2 Qe7 10. 0-0 d6 11. Qe1 h6 12. Bh4 g5 13. Bg3 Nxe4 14. f3 Nxg3 15. Qxg3 Qf6 16. Rad1 Bf5 17. Bd3 Bxd3 18. cxd3 Ne7 19. d4 Nf5 20. Qf2 exd4 21. Nxd4 Nxd4 22. Rxd4 Rac8 23. c4 Rfe8 24. Rfd1 Re6 25. f4 Rce8 26. fxg5 Re1+ 27. Rxe1 Rxe1+ 28. Qxe1 Qxd4+ 29. Kh1 hxg5 30. Qc1 Kf8 31. h3 Qf2 32. Qxg5 Qe1+ 33. Kh2 Qe5+ 34. Qxe5 dxe5 35. Kg3 f5 36. Kf2 Kg7 37. g4 f4 38. Kf3 Kg6 39. h4 Kf6 40. a4 b6 41. Ke4 Kg6 42. Kxe5 f3 43. Kf4 f2 44. h5+ Kg7 45. Kg5 f1Q 46. h6+ Kh7 47. Kh5 Qh1+ 48. Kg5 Qxh6+ 49. Kf5 Qf8+ 50. Kg5 Qe7+ 51. Kf5 Qf7+ 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 "1"]
[White "Mairose, Lee"]
[Black "Ernst, Edward R"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "84"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Nc3 b5 7. Bb3 0-0 8. d3 d6 9. d4 Nxd4 10. Nxd4 exd4 11. Bd5 Nxd5 12. Nxd5 c5 13. Bf4 Bb7 14. Nxe7+ Qxe7 15. f3 f5 16. exf5 Rxf5 17. Re1 Qf6 18. Bg3 h5 19. Qe2 h4 20. Bf2 Kh8 21. Qe7 Bd5 22. Qxf6 Rxf6 23. Bxh4 Rg6 24. Kf2 Bg8 25. Re7 c4 26. Re4 d3 27. cxd3 cxd3 28. Rd4 Rc8 29. Bg3 Rc2+ 30. Kf1 Bc4 31. Rd1 Rxb2 32. R4xd3 Rxa2 33. Kg1 Bxd3 34. Rxd3 d5 35. Rxd5 b4 36. Rd7 b3 37. Rb7 b2 38. Be5 Rxg2+ 39. Kf1 Rc2 40. Bxg7+ Kg8 41. Bxb2 Raxb2 42. Rxb2 Rxb2 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "3"]
[White "Mairose, Lee"]
[Black "Hayes, Rea B"]
[Result "0-1"]
[ECO "B18"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 Qxd4 6. Nf3 Qd5 7. Nc3 Qa5 8. Bxf5 Qxf5 9. Be3 Nf6 10. Qd4 Nbd7 11. 0-0-0 e5 12. Qc4 Qg4 13. Qxg4 Nxg4 14. Rhe1 Bb4 15. Nxe5 Bxc3 16. bxc3 Ndxe5 17. Bd4 0-0-0 18. Bxe5 Rxd1+ 19. Kxd1 Nxf2+ 20. Ke2 Ng4 21. Bxg7 Re8+ 22. Kd2 Rxe1 23. Kxe1 Nxh2 24. Ke2 Kd7 25. Kd3 Ng4 26. Ke4 Ke7 27. g3 f6 28. Kf4 h5 29. Kf5 Kf7 30. Bh8 Nh6+ 31. Kf4 Kg6 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "7"]
[White "Mairose, Lee"]
[Black "Riesenbeck, Jack"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "100"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Bg5+ Ke8 10. Nc3 Be6 11. Rad1 h6 12. Bf4 Rd8 13. Rxd8+ Kxd8 14. Rd1+ Kc8 15. Nd4 Nxd4 16. Rxd4 Bc5 17. Rd1 Rd8 18. Rxd8+ Kxd8 19. Ne4 Be7 20. a3 Bf5 21. f3 Bxe4 22. fxe4 Kd7 23. Kf2 Ke6 24. Kf3 Bc5 25. c3 Be7 26. Kg4 c5 27. Kf3 b6 28. a4 c6 29. Ke3 Bd8 30. Kd3 Bc7 31. b3 Bxe5 32. Bxe5 Kxe5 33. Ke3 f6 34. Kf3 a5 35. Ke3 g6 36. g3 h5 37. h3 g5 38. g4 hxg4 39. hxg4 b5 40. Kf3 b4 41. cxb4 cxb4 42. Ke3 c5 43. Kd3 Kf4 44. Kc4 Kxe4 45. Kxc5 f5 46. gxf5 Kxf5 47. Kb5 g4 48. Kxa5 g3 49. Kxb4 g2 50. a5 g1Q 0-1

