[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.26"]
[Round "12"]
[White "Bogas, Edgar"]
[Black "Thacker, Ronald S"]
[Result "0-1"]
[ECO "C74"]
[PlyCount "40"]
[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. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Qb3 Rb8 9. Ng5 d5 10. Ne6 Qd6 11. Bxc6+ Qxc6 12. Nxf8 Bxf1 13. Kxf1 Kxf8 14. d4 exd4 15. Qb4+ Ne7 16. Bg5 Qc4+ 17. Qxc4 dxc4 18. cxd4 Rd8 19. Nc3 Rxd4 20. Na4 b6 0-1

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "10"]
[White "Dickinson, Robert"]
[Black "Thacker, Ronald S"]
[Result "1/2-1/2"]
[ECO "A82"]
[PlyCount "91"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 f5 3. f3 g6 4. Bc4 e6 5. Nc3 Ne7 6. Qe2 Nbc6 7. Be3 Bg7 8. 0-0-0 a6 9. exf5 d5 10. f6 Bxf6 11. Bd3 Nb4 12. a3 Nxd3+ 13. Qxd3 Nf5 14. f4 Nxe3 15. Qxe3 Qe7 16. Nf3 b5 17. Rhe1 b4 18. axb4 Rb8 19. g4 0-0 20. Nxd5 exd5 21. Qxe7 Bxe7 22. Rxe7 Bxg4 23. Rd3 Rxf4 24. Ne5 Rf1+ 25. Kd2 Bf5 26. Rc3 Rf2+ 27. Ke3 Rxc2 28. Rxc2 Bxc2 29. Rxc7 Be4 30. Ng4 Rb6 31. Nh6+ Kf8 32. Rf7+ Ke8 33. Rf2 Rxb4 34. Ng4 Rb3+ 35. Kf4 Ke7 36. Ke5 Bf5 37. Kf4 Rb4 38. Rd2 a5 39. Ne3 Be4 40. Ke5 Rb5 41. Rf2 a4 42. Nd1 Rb6 43. Nc3 Re6+ 44. Kf4 Rf6+ 45. Ke3 Re6 46. Kf4 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "5"]
[White "Hoppe, Roy"]
[Black "Thacker, Ronald S"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "130"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. Nc3 e6 4. Nf3 d5 5. g3 c6 6. Bg2 Bd6 7. c5 Bc7 8. b4 Qe7 9. a4 a6 10. a5 Nbd7 11. Na4 h6 12. Nb6 Rb8 13. Nh4 Kf7 14. f4 Ne4 15. Nf3 g5 16. Ne5+ Nxe5 17. fxe5 Bd7 18. Qc2 Be8 19. Rf1 Kg7 20. g4 Bg6 21. Bxe4 fxe4 22. Be3 Rbf8 23. 0-0-0 Rf7 24. Qd2 Rhf8 25. Rxf7+ Rxf7 26. Nc8 Qd8 27. Nd6 Bxd6 28. cxd6 Bh7 29. h4 Kg6 30. hxg5 hxg5 31. Rh1 Qf8 32. Bxg5 Rf1+ 33. Rxf1 Qxf1+ 34. Kb2 Qf7 35. Qf4 Qxf4 36. Bxf4 Kf7 37. Bg5 Ke8 38. Bf6 Kd7 39. Kc1 Bg6 40. e3 Be8 41. Kd2 c5 42. bxc5 Kc8 43. Ke2 Bc6 44. Kf2 Kd7 45. Kg3 Ke8 46. Kh4 Kf8 47. Kg5 Kf7 48. Kh6 Kg8 49. Kg6 Be8+ 50. Kh6 Bc6 51. g5 Ba4 52. g6 Bc6 53. Kg5 Bd7 54. Kf4 Bc6 55. Kg5 Bd7 56. Kh6 Bc6 57. Bh8 Bd7 58. Kg5 Kf8 59. Kf6 Be8 60. g7+ Kg8 61. Ke7 Ba4 62. d7 Bxd7 63. Kxd7 b5 64. axb6 a5 65. b7 a4 1-0

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "11"]
[White "Huneke, Carl"]
[Black "Thacker, Ronald S"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "88"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c3 b6 5. Bd3 Bb7 6. Nbd2 d5 7. 0-0 Bd6 8. Re1 Ne4 9. Qe2 Nd7 10. Nf1 Qc7 11. N3d2 f5 12. f3 Nef6 13. e4 dxe4 14. fxe4 fxe4 15. Nxe4 Bxe4 16. Bxe4 0-0-0 17. Bf3 e5 18. dxe5 Nxe5 19. Bg5 Rhf8 20. Bxf6 Nxf3+ 21. Qxf3 Rxf6 22. Qa8+ Qb8 23. Qxb8+ Kxb8 24. Ne3 b5 25. Ng4 Rf4 26. Ne5 Kc7 27. Nf3 c4 28. Rad1 Bc5+ 29. Kh1 Rxd1 30. Rxd1 Re4 31. Re1 Rxe1+ 32. Nxe1 a5 33. Nc2 Kd6 34. g3 Kd5 35. Kg2 Ke4 36. Ne1 a4 37. a3 Ke3 38. Nf3 Kd3 39. Kf1 Bxa3 40. bxa3 Kxc3 41. Ke1 b4 42. axb4 a3 43. b5 a2 44. Nd2 a1Q+ 0-1

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "2"]
[White "Loftsson, Julius H"]
[Black "Thacker, Ronald S"]
[Result "1/2-1/2"]
[ECO "A90"]
[PlyCount "72"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d5 4. Nf3 e6 5. c4 c6 6. 0-0 Bd6 7. b3 Nbd7 8. Bb2 Ne4 9. Nc3 0-0 10. Qc2 b6 11. Nd2 Bb7 12. Ndxe4 fxe4 13. f3 exf3 14. Bxf3 Qc7 15. e4 dxe4 16. Nxe4 Nf6 17. Nxd6 Qxd6 18. Rae1 Rae8 19. Qe2 Re7 20. Qe5 Ne8 21. Qxd6 Nxd6 22. Ba3 Rd8 23. Bg4 Bc8 24. Re2 Ree8 25. Rfe1 Kf7 26. Bh5+ g6 27. Bf3 Bb7 28. g4 c5 29. Bxb7 Nxb7 30. dxc5 Nxc5 31. Bxc5 bxc5 32. Re5 Rc8 33. g5 Rc6 34. Rd1 Ke7 35. Kf2 Rf8+ 36. Ke3 Rf5 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "7"]
[White "McCullough, Roy"]
[Black "Thacker, Ronald S"]
[Result "1/2-1/2"]
[ECO "A86"]
[PlyCount "70"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 d5 4. Bg2 c6 5. Nc3 Be6 6. Qb3 b6 7. cxd5 Bxd5 8. Nxd5 cxd5 9. Bf4 e6 10. Nf3 Nc6 11. Qa4 Qd7 12. Rc1 Rc8 13. Ne5 Nxe5 14. Rxc8+ Kf7 15. Qxd7+ Nexd7 16. 0-0 h6 17. Rfc1 Ne8 18. f3 g5 19. Bb8 Bg7 20. e3 Nxb8 21. Rxb8 f4 22. gxf4 gxf4 23. Kf2 h5 24. Rb7+ Kg6 25. Rxa7 fxe3+ 26. Kxe3 Nd6 27. Ra4 Bh6+ 28. f4 Rf8 29. Rf1 Nc4+ 30. Rxc4 dxc4 31. Ke4 Ra8 32. f5+ exf5+ 33. Rxf5 Bg7 34. Rb5 Re8+ 35. Kd5 Rd8+ 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "8"]
[White "Sutherland, Don C"]
[Black "Thacker, Ronald S"]
[Result "1/2-1/2"]
[ECO "C35"]
[PlyCount "50"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Kf1 d5 6. exd5 Bg4 7. d3 Qd6 8. Nc3 Nf6 9. Qe2+ Kd8 10. Qe5 Bxf3 11. Qxd6+ cxd6 12. gxf3 g5 13. Bd2 Nbd7 14. Nb5 Ne5 15. Nxd6 Kd7 16. Nf5 Nxf3 17. Bc3 Ng4 18. Nxh4 Nxh4 19. Bxh8 Rxh8 20. c3 Kd6 21. Bb3 Re8 22. h3 Ne3+ 23. Kf2 f5 24. Rae1 Ng6 25. Bd1 Ne5 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "3"]
[White "Thacker, Ronald S"]
[Black "Dickinson, Robert"]
[Result "1/2-1/2"]
[ECO "C36"]
[PlyCount "84"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qe6+ 6. Kf2 Be7 7. Bb5+ Bd7 8. d4 Bxb5 9. Nxb5 Qc4 10. Qd3 Qxd3 11. cxd3 Bd6 12. Nxd6+ cxd6 13. Bxf4 Kd7 14. Ng5 Nf6 15. Bxd6 Rc8 16. Ba3 Rc2+ 17. Kg3 Nc6 18. Rhe1 Nd5 19. Nf3 b5 20. Ne5+ Nxe5 21. Rxe5 Kc6 22. b3 b4 23. Rc1 Rxc1 24. Bxc1 Rd8 25. Bd2 a5 26. Kf3 Rd6 27. g4 Rf6+ 28. Ke2 Rg6 29. g5 h6 30. h4 hxg5 31. hxg5 Kd6 32. Kd1 f6 33. gxf6 gxf6 34. Re1 f5 35. Rf1 Rf6 36. Bf4+ Nxf4 37. Rxf4 Kd5 38. Kd2 Rf8 39. Ke3 Rf7 40. Kf3 Rf8 41. Kg3 Rg8+ 42. Kh3 Rh8+ 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "12"]
[White "Thacker, Ronald S"]
[Black "Hoppe, Roy"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "63"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. c4 b5 6. cxb5 Nf6 7. Nc3 Nbd7 8. g3 Be7 9. Bg2 0-0 10. Nge2 Ne5 11. 0-0 Bg4 12. f4 Ng6 13. f5 Ne5 14. h3 Bxe2 15. Qxe2 g6 16. g4 Re8 17. Bg5 Ne4 18. Nxe4 Bxg5 19. f6 Bh6 20. Qf2 Qb6 21. Qh4 Bf8 22. Rae1 c4+ 23. Kh2 Qxb5 24. Ng5 h6 25. Ne6 Kh7 26. Nxf8+ Rxf8 27. g5 h5 28. Be4 Qxb2+ 29. Rf2 Qc3 30. Qxh5+ Kg8 31. Qh6 Nf3+ 32. Bxf3 1-0

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "9"]
[White "Thacker, Ronald S"]
[Black "Loftsson, Julius H"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "30"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Qe2 Nc6 4. c3 Bc5 5. f4 Bxg1 6. Rxg1 0-0 7. g4 d5 8. exd5 exf4 9. g5 Nxd5 10. Bxd5 Qxd5 11. d4 f3 12. Qf2 Re8+ 13. Be3 Qe4 14. d5 Ne5 15. Kd2 Nc4+ 0-1

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "1"]
[White "Thacker, Ronald S"]
[Black "Sutherland, Don C"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "103"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. f4 d5 2. d4 g6 3. e3 Bf5 4. Nd2 e6 5. Ne2 Nf6 6. Ng3 Bg4 7. Nf3 Ne4 8. Be2 Bxf3 9. Bxf3 Bb4+ 10. c3 Nxg3 11. hxg3 Bd6 12. Qb3 Qc8 13. c4 c6 14. Bd2 Nd7 15. Rc1 Nf6 16. Qd3 Qd8 17. g4 Qe7 18. g5 Nd7 19. c5 Bc7 20. Kf2 f5 21. g4 Qf7 22. b4 a6 23. a4 Ke7 24. Rc2 e5 25. gxf5 e4 26. Bxe4 dxe4 27. Qxe4+ Kf8 28. fxg6 Qd5 29. Qxd5 cxd5 30. c6 bxc6 31. Rxc6 Bd8 32. a5 Kg7 33. f5 Bxg5 34. gxh7 Bf6 35. Rd6 Ra7 36. Rxd5 Rxh7 37. Rxh7+ Kxh7 38. e4 Bh4+ 39. Kf3 Nf6 40. Rd6 Rg7 41. e5 Rg3+ 42. Ke2 Ng4 43. Rxa6 Rg2+ 44. Kd3 Nf2+ 45. Kc4 Ng4 46. Ra7+ Kg8 47. f6 Nxe5+ 48. dxe5 Rxd2 49. Rg7+ Kf8 50. e6 Re2 51. e7+ Ke8 52. Rg8+ 1-0

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "6"]
[White "Thacker, Ronald S"]
[Black "Wang, Arthur D"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "81"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. f4 Nf6 2. d4 g6 3. Nd2 c5 4. e3 Bg7 5. c3 0-0 6. Bd3 d6 7. h3 e5 8. Ngf3 exf4 9. exf4 Nh5 10. Nf1 cxd4 11. cxd4 Qf6 12. g3 Nc6 13. Be3 Nb4 14. Bb1 Bf5 15. a3 Nd5 16. Kf2 Bxb1 17. Rxb1 Rfe8 18. Qb3 Qe6 19. Ng5 Qf5 20. Rd1 Nxe3 21. Nxe3 Qd7 22. Rd3 h6 23. Nf3 Re4 24. Kg2 Rae8 25. Re1 b6 26. Qc3 Qb7 27. Kf2 Nf6 28. Qc1 Rc8 29. Rc3 Rxc3 30. bxc3 Re8 31. Qc2 Qd7 32. Kg2 Qc6 33. Re2 Rc8 34. c4 Nd7 35. Kf2 Nf8 36. Rd2 Qd7 37. Kg2 Re8 38. Qd3 Qb7 39. Re2 Ne6 40. Kf2 h5 41. f5 1/2-1/2

[Event "Oakland 'YMCA' Inv"]
[Site "Oakland"]
[Date "1960.??.??"]
[Round "13"]
[White "Wang, Arthur D"]
[Black "Thacker, Ronald S"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "47"]
[EventDate "1960.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 bxc6 7. 0-0 f5 8. c4 e4 9. cxd5 cxd5 10. Be3 Nf6 11. Nc3 Be6 12. Nb5 Qd7 13. Nd4 Bf7 14. f3 g6 15. Rc1 Bd6 16. Bg5 Nh5 17. fxe4 fxe4 18. Bh6 Bf8 19. Qd2 Bg7 20. Bxg7 Nxg7 21. Qb4 Be6 22. Nxe6 Nxe6 23. Bh3 Qe7 24. Qc3 1-0

[Event "USA Junior-ch"]
[Site "USA"]
[Date "1957.??.??"]
[Round "?"]
[White "Thacker, Ronald S"]
[Black "Fischer, Robert James"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "63"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Fischer"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. Bc2 Bg7 6. d4 0-0 7. h3 cxd4 8. cxd4 Nc6 9. Nc3 e5 10. d5 Nd4 11. Nxd4 exd4 12. Ne2 Re8 13. f3 Qb6 14. Bd3 Nd7 15. Qa4 Rf8 16. 0-0 Nc5 17. Qd1 Bd7 18. Kh1 f5 19. Ng3 Nxd3 20. Qxd3 Bb5 21. Qd1 Bxf1 22. Qxf1 f4 23. Ne2 g5 24. Qd1 Rac8 25. Rb1 Qa6 26. Qb3 Qxe2 27. Bxf4 gxf4 28. Qxb7 d3 29. Qxa7 d2 30. Qxg7+ Kxg7 31. Re1 dxe1Q+ 32. Kh2 0-1

