[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1978.04.04"]
[Round "3"]
[White "Ervin, Roy C"]
[Black "Taulbut, Shaun M"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2405"]
[PlyCount "68"]
[EventDate "1978.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 b5 6. f3 Nd7 7. Nge2 Ngf6 8. g4 Bb7 9. h4 Nb6 10. b3 h5 11. g5 Nfd7 12. Bh3 b4 13. Nd1 c5 14. Nf2 Ba6 15. a3 Bxe2 16. Kxe2 bxa3 17. Rxa3 cxd4 18. Bxd4 Bxd4 19. Qxd4 0-0 20. Rha1 Qc7 21. R1a2 Ne5 22. Nd3 Nxd3 23. cxd3 e6 24. Qa1 d5 25. e5 d4 26. f4 Nd5 27. Kf3 Nc3 28. Rd2 Rab8 29. Kg3 a5 30. Bg2 Rb5 31. Rb2 Rfb8 32. b4 Rxb4 33. Rxb4 axb4 34. Ra7 Qb6 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1978.04.03"]
[Round "2"]
[White "Peters, Jack"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2430"]
[PlyCount "89"]
[EventDate "1978.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Re1 0-0 11. Bg5 Bg4 12. h3 Bh5 13. Bxc6 bxc6 14. Nbd4 Rc8 15. c4 h6 16. Bxe7 Bxe7 17. g4 Bg6 18. Ne5 Bc5 19. b4 Bxd4 20. Qxd4 dxc4 21. Qxc4 Kh7 22. Rad1 Qh4 23. Kg2 f5 24. Nxg6 Kxg6 25. gxf5+ Kh5 26. Rd4 Qg5+ 27. Rg4 Qxf5 28. Qe2 Qb5 29. Rg5+ Kxg5 30. Qg4+ Kf6 31. Qe6+ Kg5 32. f4+ Rxf4 33. Re5+ Qxe5 34. Qxe5+ Rf5 35. h4+ Kg4 36. Qe4+ Rf4 37. Qg6+ Kxh4 38. Qg3+ Kh5 39. Qxf4 Rd8 40. Qf3+ Kg6 41. Qxc6+ Kh7 42. a4 Rd2+ 43. Kf3 Rb2 44. Qc3 Ra2 45. a5 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1978.04.02"]
[Round "1"]
[White "Ervin, Roy C"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[ECO "E18"]
[BlackElo "2440"]
[PlyCount "94"]
[EventDate "1978.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 Bf6 9. Qc2 Nxd2 10. Qxd2 d6 11. Qc2 g6 12. Rfd1 Nd7 13. e4 Qe7 14. Rac1 Bg7 15. Qe2 c5 16. d5 e5 17. Bh3 Bc8 18. Nh4 Bh6 19. Rc2 Nf6 20. Bxc8 Raxc8 21. a3 Ne8 22. Qg4 Ng7 23. Re2 f5 24. Qh3 Bg5 25. Nf3 Rce8 26. Nxg5 Qxg5 27. f3 Rf7 28. Kh1 Ref8 29. Rf1 Qd8 30. Rff2 fxe4 31. Nxe4 Rxf3 32. Rxf3 Rxf3 33. Kg2 Rf8 34. g4 Qe7 35. Qh6 Ne8 36. Ng5 Nc7 37. Re3 Qg7 38. Rh3 Qxh6 39. Rxh6 Rf4 40. Rxh7 Rxg4+ 41. Kh3 Rxg5 42. Rxc7 Rh5+ 43. Kg3 Rh7 44. Rc8+ Kg7 45. Rd8 Kf6 46. Rxd6+ Kf5 47. Re6 Rf7 1/2-1/2

[Event "San Francisco Capps Memorial"]
[Site "San Francisco"]
[Date "1977.11.??"]
[Round "1"]
[White "Arne, Mike"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "B68"]
[PlyCount "63"]
[EventDate "1977.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[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 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 a6 9. f4 Bd7 10. Be2 h6 11. Bxf6 Bxf6 12. Nxc6 Bxc6 13. Bf3 Qa5 14. e5 dxe5 15. Bxc6+ bxc6 16. Qd7+ Kf8 17. Qxc6 Re8 18. fxe5 Bxe5 19. Rd3 g5 20. Rf1 Kg7 21. Rd7 Rhf8 22. Qf3 Kg8 23. Qh5 Bxc3 24. Rfxf7 Bxb2+ 25. Kd1 Qd5+ 26. Rxd5 Rxf7 27. Rd6 Kg7 28. Rxa6 Rd8+ 29. Ke2 Rc8 30. Rxe6 Rxc2+ 31. Kd3 Rc3+ 32. Ke2 1/2-1/2

[Event "San Francisco Capps Memorial"]
[Site "San Francisco"]
[Date "1977.11.??"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Filguth, Rubens Alberto"]
[Result "0-1"]
[ECO "C09"]
[PlyCount "54"]
[EventDate "1977.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. c4 0-0 9. cxd5 Nxd4 10. Nxd4 cxd4 11. Nb3 Nxd5 12. Qxd4 Ne7 13. Bg5 Nf5 14. Bxd8 Nxd4 15. Nxd4 Rxd8 16. Nf3 Bg4 17. Rad1 Rac8 18. Bd3 Be6 19. Ng5 Bxa2 20. Bxh7+ Kf8 21. Be4 Bc4 22. Rfe1 Bb4 23. Rxd8+ Rxd8 24. Ra1 b6 25. Nf3 a5 26. Bc2 Re8 27. Bd1 Bc5 0-1

[Event "San Francisco Capps Memorial"]
[Site "San Francisco"]
[Date "1977.11.??"]
[Round "5"]
[White "Fojt, R."]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "56"]
[EventDate "1977.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 0-0 8. 0-0 d6 9. Qe1 Nd4 10. Qf2 f5 11. Nd1 e5 12. c3 Ne6 13. Nh4 fxe4 14. dxe4 exf4 15. gxf4 g5 16. Nf5 Nxf5 17. exf5 Nxf4 18. Bxf4 gxf4 19. Qxf4 Rxf5 20. Qc4+ Kh8 21. Rxf5 Bxf5 22. Bxb7 Qg5+ 23. Kh1 Re8 24. Qf1 Bd3 25. Qg1 Qxg1+ 26. Kxg1 Re1+ 27. Kf2 Rf1+ 28. Kg2 Be2 0-1

[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Ervin, Roy C"]
[Black "Boardman, Larry"]
[Result "1-0"]
[ECO "B96"]
[PlyCount "51"]
[EventDate "1977.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[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 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. Qd3 Qxf6 13. 0-0-0 Ra7 14. Qg3 e5 15. Nd5 Qd6 16. Bxb5+ Bd7 17. Nf5 Qe6 18. Nxg7+ Bxg7 19. Qxg7 Rf8 20. Nf6+ Ke7 21. Nxd7 Nxd7 22. Rxd7+ Rxd7 23. Bxd7 Qxd7 24. Qxe5+ Qe6 25. Qc5+ Ke8 26. Qc3 1-0

[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Ervin, Roy C"]
[Black "Krauss, George"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "94"]
[EventDate "1977.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Bg4 5. Be3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. h3 Bxf3 9. Qxf3 e5 10. 0-0-0 f6 11. h4 Nh6 12. dxe5 fxe5 13. Qe2 Nf7 14. Qc4 Qd7 15. Na4 Nd8 16. Kb1 Qf7 17. Qe2 0-0 18. h5 Ne6 19. hxg6 hxg6 20. Qc4 Nd4 21. Qxf7+ Rxf7 22. c3 Ne6 23. Kc2 Nf4 24. Rh2 Raf8 25. b3 c5 26. Nb2 g5 27. Nc4 Rf6 28. a3 Rh6 29. Rxh6 Bxh6 30. g3 Ne6 31. b4 cxb4 32. axb4 Kg7 33. Ra1 g4 34. Rxa6 Bxe3 35. Nxe3 Rxf2+ 36. Kd3 Rf3 37. Ke2 Kg6 38. b5 Rxg3 39. b6 cxb6 40. Rxb6 Nf4+ 41. Kd2 Kg5 42. Rxd6 Rh3 43. Rd8 Rh2+ 44. Kd1 g3 45. Rg8+ Ng6 46. Ke1 Rh1+ 47. Ke2 Rc1 1/2-1/2

[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Hepner, David"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "38"]
[EventDate "1977.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. d3 Be6 7. Nbd2 Qe7 8. c3 a6 9. Qe2 Nh5 10. Bxe6 Ng3 11. Bxf7+ Qxf7 12. Qd1 Nxf1 13. Nxf1 0-0 14. d4 exd4 15. cxd4 Nxd4 16. Nxd4 Qxf2+ 17. Kh2 Bxd4 18. Be3 Qxf1 19. Qb3+ Qf7 0-1

[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Myers, Hugh Edward"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "100"]
[EventDate "1977.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. d3 c5 6. Nbd2 Be7 7. e4 d6 8. Re1 Nbd7 9. Nf1 0-0 10. Qe2 Qb6 11. Ne3 Rfe8 12. b3 Bf8 13. Bb2 g6 14. h4 Bg7 15. Ng5 h6 16. Nh3 Bc6 17. Nf4 Ne5 18. Nh3 a5 19. f4 Ned7 20. Nf2 a4 21. a3 axb3 22. cxb3 d5 23. e5 Nh7 24. Nc2 f6 25. Qg4 Nhf8 26. h5 fxe5 27. fxe5 d4 28. Bxc6 Qxc6 29. Qf4 g5 30. Qe4 Nxe5 31. Qxc6 Nxc6 32. Ne4 Ne5 33. Red1 Nfd7 34. b4 c4 35. dxc4 d3 36. Nd4 bxc4 37. Rf1 Nc6 38. Nxc6 Bxb2 39. Ra2 c3 40. a4 Rf8 41. Rb1 c2 42. Raxb2 cxb1Q+ 43. Rxb1 Rxa4 44. Rd1 Ra3 45. Nf2 Rf3 46. Kg2 Re3 47. Nd4 Nf6 48. b5 Ra2 49. Kf1 Nxh5 50. Nxd3 Nxg3+ 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.30"]
[Round "9"]
[White "Ervin, Roy C"]
[Black "Biyiasas, Peter"]
[Result "1-0"]
[ECO "E82"]
[BlackElo "2435"]
[PlyCount "125"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. f3 0-0 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 Nbd7 10. Bc2 Ne5 11. b3 e6 12. 0-0 exd5 13. exd5 a6 14. a4 Re8 15. Qd2 Re7 16. Bg5 Qf8 17. Qf4 Ned7 18. Qxd6 Rae8 19. Rae1 h6 20. Bxf6 Bxf6 21. Qg3 Qg7 22. Ne4 Be5 23. Qf2 f5 24. N4g3 Qf6 25. Rd1 h5 26. Rfe1 Bb2 27. Nf1 a5 28. Kh1 Qe5 29. f4 Qd6 30. Ng1 Bd4 31. Rxe7 Rxe7 32. Qg3 Qf6 33. Nf3 Bb2 34. Re1 Rxe1 35. Qxe1 Nf8 36. h3 Bc8 37. N1h2 Bc3 38. Qe2 Kg7 39. Ne5 Qh4 40. Nd3 Qd8 41. Nf3 Nh7 42. Nde5 Nf6 43. Qf2 Ne4 44. Bxe4 fxe4 45. Qg3 Qf6 46. Nh4 Bd2 47. Nhxg6 Bf5 48. d6 Bxg6 49. d7 Bxf4 50. Qxg6+ Qxg6 51. Nxg6 Bc7 52. Ne7 h4 53. Kg1 Kf7 54. Nc6 Ke6 55. d8Q Bxd8 56. Nxd8+ Ke5 57. Nc6+ Kf4 58. Kf2 e3+ 59. Ke2 Kg3 60. Ne5 Kxg2 61. Kxe3 Kxh3 62. Nf3 Kg3 63. Nxh4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.28"]
[Round "8"]
[White "Cleghorn, Peter"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "81"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Qd2 Nbc6 9. a4 Bd7 10. Bd3 c4 11. Be2 f6 12. Ba3 0-0-0 13. 0-0 h5 14. Rfb1 Nf5 15. Rb5 Qc7 16. Rab1 b6 17. a5 Nxa5 18. Rxa5 bxa5 19. Nh4 Bc6 20. Nxf5 exf5 21. Qf4 g6 22. Qg3 Rhg8 23. Qe3 Rde8 24. f4 Re6 25. Bc5 h4 26. Qc1 g5 27. Qa3 Bb7 28. Bd6 Qc6 29. Qxa5 Rxd6 30. exd6 Rd8 31. Rb5 Qxd6 32. Qxa7 Rd7 33. Qc5+ Qxc5 34. Rxc5+ Rc7 35. Rb5 g4 36. Rb6 Bc6 37. Kf2 Kd7 38. Bd1 Ra7 39. Ke3 Kc7 40. Rb1 Ra8 41. Kd2 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.27"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "E28"]
[WhiteElo "2530"]
[PlyCount "77"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 Nc6 8. Ng3 e5 9. Bd3 Re8 10. 0-0 e4 11. Be2 Ba6 12. f3 exf3 13. Rxf3 Na5 14. Bd3 d5 15. cxd5 Bxd3 16. Qxd3 Qxd5 17. Rxf6 gxf6 18. e4 Qe6 19. Bf4 Kh8 20. Rf1 c6 21. d5 cxd5 22. exd5 Rad8 23. c4 Nxc4 24. Qxc4 Qxd5 25. Qc1 Qd4+ 26. Kh1 Rc8 27. Qb1 Rc3 28. Qa2 Qc4 29. Qa1 Qc6 30. Bd2 Rxg3 31. hxg3 Re2 32. Qxf6+ Qxf6 33. Rxf6 Rxd2 34. Rxf7 a6 35. Ra7 a5 36. Rb7 Rb2 37. a4 Rb4 38. g4 Kg8 39. Kh2 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.26"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E90"]
[BlackElo "2490"]
[PlyCount "53"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be3 Nbd7 7. h3 e5 8. d5 Nc5 9. Qc2 a5 10. g4 Ne8 11. g5 f5 12. gxf6 Nxf6 13. Ng1 c6 14. Bxc5 dxc5 15. 0-0-0 Bd7 16. Kb1 Rb8 17. f3 Nh5 18. Qf2 cxd5 19. Nxd5 b6 20. h4 Nf4 21. Nxf4 exf4 22. Bh3 Bd4 23. Qc2 Bxh3 24. Rxh3 Qf6 25. Ne2 Rfd8 26. Rhh1 Rd6 27. Nxd4 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.25"]
[Round "5"]
[White "Ervin, Roy C"]
[Black "Weinstein, Norman"]
[Result "1/2-1/2"]
[ECO "E90"]
[BlackElo "2475"]
[PlyCount "34"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be3 Nbd7 7. h3 c5 8. d5 b5 9. cxb5 a6 10. Nd2 Ne8 11. bxa6 Nc7 12. Qc2 Bxa6 13. Bxa6 Rxa6 14. Nc4 Qb8 15. 0-0 Qb4 16. Qd3 Rb8 17. Rab1 Nb6 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.23"]
[Round "4"]
[White "Balashov, Yuri S"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C75"]
[WhiteElo "2565"]
[PlyCount "116"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. Bb3 h6 8. Nbd2 g6 9. h4 Bg7 10. dxe5 dxe5 11. Nc4 Be6 12. Qxd8+ Rxd8 13. h5 g5 14. Ne3 Kd7 15. Nd2 Bxb3 16. axb3 a5 17. Ndf1 Ke6 18. g4 Rhe8 19. Ng3 Bf8 20. Ke2 b6 21. Bd2 Rd7 22. Rhd1 Red8 23. Be1 Rxd1 24. Rxd1 Rxd1 25. Kxd1 Ng8 26. Nd5 Kd7 27. f3 Nce7 28. Ke2 Kd6 29. Ne3 Ke6 30. Bf2 Nf6 31. Kd3 Nc8 32. Ngf5 Ne8 33. Nd5 Ncd6 34. Nfe3 Nb7 35. Nf5 Nbd6 36. Nxd6 Kxd6 37. b4 axb4 38. Nxb4 b5 39. Kc2 Kd7 40. Nd3 f6 41. Kb3 Ng7 42. Bc5 Bxc5 43. Nxc5+ Kd6 44. Nb7+ Kd7 45. Kb4 c6 46. Ka5 Kc7 47. Nc5 Ne8 48. b3 Kd6 49. Kb6 Nc7 50. Nb7+ Kd7 51. Na5 b4 52. cxb4 Nb5 53. Nxc6 Nd4 54. b5 Nxf3 55. Ka6 Nd4 56. Nb4 Nxb3 57. b6 Nc5+ 58. Ka7 Kd6 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.22"]
[Round "3"]
[White "Browne, Walter Shawn"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "2545"]
[PlyCount "94"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. Bb3 h6 8. Nbd2 g6 9. dxe5 dxe5 10. 0-0 Bg7 11. Qe2 0-0 12. Rd1 Qc8 13. Nc4 Be6 14. Be3 b6 15. a4 a5 16. Bc2 f5 17. exf5 gxf5 18. Na3 Qe8 19. Nb5 Rc8 20. c4 Qh5 21. Qf1 Nb4 22. Bb1 c5 23. Bc1 e4 24. Re1 Ng6 25. Ra3 Rc6 26. Nd2 Ne5 27. f4 exf3 28. gxf3 Qf7 29. Rae3 Nxc4 30. Rxe6 Rxe6 31. Rxe6 Nxd2 32. Qe2 Nxb1 33. Nd6 Qh5 34. Qg2 Kh7 35. Re1 Qg6 36. Ne8 Qxg2+ 37. Kxg2 Rxe8 38. Rxe8 Nd3 39. Be3 Nxb2 40. Rb8 Nxa4 41. Rb7 Kg6 42. h4 Bf6 43. Kg3 Nbc3 44. h5+ Kxh5 45. Rh7 Bh4+ 46. Kh3 Bg5 47. f4 Bf6 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.21"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Christiansen, Larry Mark"]
[Result "1/2-1/2"]
[ECO "E68"]
[BlackElo "2460"]
[PlyCount "109"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. Nc3 Nbd7 7. 0-0 e5 8. Qc2 Re8 9. Rd1 c6 10. e4 Qb6 11. d5 c5 12. Rb1 Re7 13. Ne1 Nf8 14. Nd3 Qd8 15. b4 b6 16. bxc5 bxc5 17. Bd2 Ne8 18. Rb3 f5 19. f3 Nf6 20. Nf2 Rf7 21. Rdb1 h5 22. Qc1 Ba6 23. Ra3 Bc8 24. Nh3 N8h7 25. Ng5 Nxg5 26. Bxg5 Qf8 27. Rb2 Nh7 28. Bd2 f4 29. Ne2 g5 30. gxf4 gxf4 31. Be1 Ng5 32. Kh1 Bf6 33. Ng1 Qh6 34. Rab3 Bd7 35. Rb8+ Rxb8 36. Rxb8+ Kg7 37. Qa3 h4 38. Qxa7 h3 39. Bf1 Nxe4 40. Rb7 Be8 41. Rxf7+ Bxf7 42. Qd7 Ng5 43. Bxh3 Nxh3 44. Qxh3 Qxh3 45. Nxh3 Bg6 46. Nf2 Bh4 47. Kg2 Bxf2 48. Kxf2 Bd3 49. Ba5 Kf7 50. h4 Bxc4 51. h5 Bxa2 52. h6 Bb1 53. Ke2 Ke7 54. Kf2 c4 55. Bb4 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1977.03.20"]
[Round "1"]
[White "Ervin, Roy C"]
[Black "Sahovic, Dragutin"]
[Result "1-0"]
[ECO "A30"]
[BlackElo "2460"]
[PlyCount "135"]
[EventDate "1977.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 e6 6. c4 Be7 7. Nc3 cxd4 8. Qxd4 Nc6 9. Qf4 0-0 10. Rd1 d6 11. b3 Qb8 12. Bb2 a6 13. Qe3 Nd7 14. Ng5 Nc5 15. Rd2 h6 16. Nge4 Rd8 17. Rad1 Qc7 18. f4 Rd7 19. g4 Re8 20. Qg3 Rdd8 21. g5 hxg5 22. fxg5 Ne5 23. Nf6+ gxf6 24. gxf6+ Ng6 25. fxe7 Qxe7 26. Rxd6 Bxg2 27. Kxg2 Qb7+ 28. Kg1 Rxd6 29. Qxd6 e5 30. b4 Ne4 31. Qd5 Qxd5 32. Rxd5 Nxc3 33. Bxc3 Rc8 34. c5 bxc5 35. Rxc5 Rd8 36. Kf2 f6 37. Rc6 Kf7 38. Rxa6 Rh8 39. Kg3 Nf4 40. Kf3 Rh3+ 41. Ke4 Rxc3 42. e3 Ne6 43. a4 Rc2 44. Ra7+ Kg6 45. h4 Ng7 46. b5 Rb2 47. Kd3 Nf5 48. Kc3 Re2 49. a5 Rxe3+ 50. Kb4 Re1 51. a6 e4 52. h5+ Kg5 53. h6 Kxh6 54. Rf7 Kg6 55. a7 Ra1 56. b6 e3 57. Rf8 e2 58. Re8 Nd4 59. Kc5 Nb3+ 60. Kc4 Na5+ 61. Kd5 Nb7 62. Rxe2 Kf7 63. Kc6 Nd8+ 64. Kc7 Ne6+ 65. Rxe6 Kxe6 66. Kb8 f5 67. a8Q Rxa8+ 68. Kxa8 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.13"]
[Round "7"]
[White "Ervin, Roy C"]
[Black "Biyiasas, Peter"]
[Result "1-0"]
[ECO "C75"]
[BlackElo "2460"]
[PlyCount "81"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nge7 7. d4 Ng6 8. Nbd2 Be7 9. d5 Nb8 10. Bxd7+ Nxd7 11. Nc4 0-0 12. Ne3 Nf4 13. g3 Nh3+ 14. Kg2 Ng5 15. Nd2 f6 16. h4 Nf7 17. h5 c5 18. Nf5 Kh8 19. Qg4 Rg8 20. Nf3 Nf8 21. Rh1 g5 22. hxg6 Rxg6 23. Qh5 Qe8 24. Be3 Ng5 25. N3h4 Rg8 26. Qxe8 Rxe8 27. Nh6 Rg7 28. N4f5 Rg6 29. Rh4 Nd7 30. Nxe7 Rxe7 31. Nf5 Re8 32. Nxd6 Rb8 33. Rah1 Rg7 34. Nf5 Rf7 35. Rg4 Rbf8 36. Rh5 b6 37. Nd6 Re7 38. Bxg5 fxg5 39. Rhxg5 Nf6 40. Rh4 Rd7 41. Nc4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.12"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Strauss, David J"]
[Result "1-0"]
[ECO "C06"]
[BlackElo "2300"]
[PlyCount "65"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 0-0 12. Bf4 Bxf4 13. Nxf4 Ne4 14. Ne2 Rxf3 15. gxf3 Ng5 16. f4 Nh3+ 17. Kh1 Qh4 18. Qd2 Nxf2+ 19. Kg2 Ng4 20. h3 Nf6 21. Qe3 Kh8 22. Rf3 Bd7 23. Rg1 Be8 24. Kh2 Bh5 25. Rfg3 Bxe2 26. Bxe2 g6 27. Bd3 Nh5 28. Rg4 Qe7 29. Bxg6 Nf6 30. Rh4 Rg8 31. Rg5 Qb4 32. Qxe6 Qxd4 33. Qxf6+ 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.11"]
[Round "5"]
[White "Sherwin, James T"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "116"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Qc2 Be7 8. Bd3 0-0 9. Nf3 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. b4 Ng6 14. Rfe1 Bf5 15. Ne2 a6 16. Ng3 Nxg3 17. Bxf5 Nxf5 18. Qxf5 Nh4 19. Nxh4 Qxh4 20. g3 Qe4 21. Qxe4 Rxe4 22. a4 Kf8 23. Rec1 Re7 24. Rc5 Rc7 25. b5 axb5 26. axb5 Ke7 27. bxc6 bxc6 28. Rb6 Kd6 29. Kg2 Ra2 30. g4 f6 31. h4 g6 32. Rb8 Raa7 33. Rb6 Ra8 34. Kg3 Re8 35. Ra5 Rg8 36. Ra3 Re8 37. Rab3 Ke6 38. Ra6 Rec8 39. Kf4 Kd6 40. Rbb6 Re8 41. Kf3 Rg8 42. Ra1 Re8 43. Ra2 Rg8 44. Ra1 Re8 45. Rc1 Rg8 46. Rb3 Re8 47. Rcb1 Rec8 48. Rb8 Rxb8 49. Rxb8 Ra7 50. Rh8 Rf7 51. Kf4 Rg7 52. f3 Re7 53. Rc8 Kd7 54. Rf8 Ke6 55. g5 Rf7 56. Rxf7 Kxf7 57. e4 dxe4 58. fxe4 Ke6 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.10"]
[Round "4"]
[White "Ervin, Roy C"]
[Black "Benko, Pal C"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2480"]
[PlyCount "68"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Be2 d5 4. exd5 exd5 5. d4 Nc6 6. 0-0 Bd6 7. Nc3 cxd4 8. Nb5 Bb8 9. Nbxd4 Nge7 10. Bg5 0-0 11. Bh4 Qb6 12. Nxc6 Nxc6 13. Qxd5 Qxb2 14. Qb3 Qxb3 15. cxb3 Be6 16. Rfd1 f6 17. Bg3 Bxg3 18. hxg3 Rfd8 19. Rac1 Rxd1+ 20. Rxd1 Rc8 21. Kf1 Kf7 22. Rc1 Nb4 23. Rxc8 Bxc8 24. Bc4+ Be6 25. Bxe6+ Kxe6 26. a3 Nc2 27. a4 Kd5 28. Ke2 Na1 29. b4 Nc2 30. b5 Nd4+ 31. Kd3 Nxf3 32. gxf3 Kc5 33. Kc3 h5 34. f4 f5 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.08"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Silman, Jeremy D"]
[Result "1-0"]
[ECO "C92"]
[BlackElo "2310"]
[PlyCount "61"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Qd7 10. d3 h6 11. Nbd2 Re8 12. a4 Bb7 13. Nh4 d5 14. Nf5 Na5 15. Bc2 dxe4 16. dxe4 Bf8 17. b4 Nc4 18. Nxc4 Qxd1 19. Rxd1 bxc4 20. f3 Bc8 21. Ne3 c5 22. Nxc4 cxb4 23. cxb4 Bxb4 24. Bb2 Nd7 25. Nd6 Re6 26. Ba3 Bc3 27. Rac1 Bd4+ 28. Rxd4 exd4 29. Bb3 Rxd6 30. Bxd6 Nf8 31. Bd5 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1976.03.07"]
[Round "1"]
[White "Denker, Arnold Sheldon"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2325"]
[PlyCount "87"]
[EventDate "1976.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 d6 7. Qe2 Nbd7 8. c3 Be7 9. e4 cxd4 10. cxd4 a6 11. b3 0-0 12. Bb2 g6 13. Rfd1 Qb8 14. h3 Rd8 15. Nf1 Nh5 16. Qe3 e5 17. dxe5 dxe5 18. Bc4 b5 19. Rxd7 Rxd7 20. Nxe5 bxc4 21. Nxd7 Qc7 22. Nb6 Rd8 23. Nxc4 Bc5 24. Qf3 f5 25. Ncd2 Bb4 26. Rc1 Qf4 27. Qe2 Bxd2 28. Rd1 Qxe4 29. Qxe4 Bxe4 30. Rxd2 Bd3 31. g3 Kf7 32. Nh2 Rd5 33. Nf3 Kg8 34. Ng5 h6 35. Ne6 Bc4 36. Rxd5 Bxd5 37. Nc5 Ng7 38. Bxg7 Kxg7 39. Nxa6 Kf6 40. f4 Ke7 41. Kf2 Kd6 42. Ke3 Bg2 43. h4 Kd5 44. Nb4+ 1-0

[Event "San Francisco Golden Gate op"]
[Site "San Francisco"]
[Date "1976.??.??"]
[Round "2"]
[White "Barnes, Craig N"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2280"]
[PlyCount "88"]
[EventDate "1976.12.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 d6 9. h3 Bd7 10. Bb3 0-0 11. Nde2 b5 12. Ng3 Qa6 13. Qe2 Na5 14. a4 Nxb3 15. cxb3 Qb7 16. axb5 d5 17. Ra5 Nxe4 18. Ngxe4 dxe4 19. Rfa1 a6 20. b6 Bxc3 21. bxc3 Bb5 22. c4 Bd7 23. c5 Bb5 24. Rxb5 axb5 25. Rxa8 Rxa8 26. Qxb5 Qd5 27. Qc4 Qe5 28. Bd4 Ra1+ 29. Bxa1 Qxa1+ 30. Qf1 Qc3 31. b7 Qxb3 32. c6 Kg7 33. Qa1+ f6 34. Qa7 e3 35. Qxe3 Qd1+ 36. Kh2 Qd6+ 37. Qg3 e5 38. Qc3 Qc7 39. Qc5 e4+ 40. g3 h5 41. Qd5 Qb6 42. Qd7+ Kh6 43. Qd2+ g5 44. Qd6 Qxf2+ 1/2-1/2

[Event "USA Team-ch phone"]
[Site "phone"]
[Date "1976.??.??"]
[Round "6"]
[White "Vukcevich, Milan R"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2490"]
[PlyCount "41"]
[EventDate "1976.??.??"]
[EventType "team"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 a6 12. Bf4 d4 13. Ne4 Nd5 14. Bd6 Re8 15. Bg3 f5 16. Nd6 Rf8 17. Bc4 Be6 18. Re1 Qd7 19. Nxb7 Qxb7 20. Rxe6 Na5 21. Ba2 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.24"]
[Round "10"]
[White "Rossetto, Hector"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "123"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 c5 6. c3 b6 7. 0-0 Bb7 8. a4 d6 9. Nbd2 Nc6 10. Qc2 Re8 11. Rad1 Rc8 12. Nc4 cxd4 13. exd4 Nd5 14. Bg5 h6 15. Bc1 Qd7 16. Rfe1 Nd8 17. Ne3 Nxe3 18. Bxe3 Bc6 19. Ra1 e5 20. dxe5 dxe5 21. a5 Qc7 22. axb6 axb6 23. Ra6 Rb8 24. Rea1 Ne6 25. Nd2 Nc5 26. Ra7 Rb7 27. R7a3 Bf8 28. Bc4 Ne6 29. Ra8 Rbb8 30. Rxb8 Qxb8 31. Ra6 b5 32. Rxc6 bxc4 33. Rxc4 f5 34. f3 Kh7 35. h3 Qb7 36. b3 Rd8 37. Nf1 Qb5 38. Ra4 Bc5 39. Bxc5 Qxc5+ 40. Kh2 Nf4 41. Ng3 Nd3 42. b4 Qe3 43. Qa2 Rd7 44. Ra8 Rg7 45. Re8 Ne1 46. Qe2 Qxc3 47. Rxe5 Nd3 48. Re3 Rd7 49. b5 Qa3 50. Re8 Qd6 51. Qa2 Rg7 52. Qa8 Rd7 53. b6 Nc5 54. Rh8+ Kg7 55. Qg8+ Kf6 56. Rxh6 Kg5 57. Rh5+ Kf4 58. Qc4+ Ke3 59. Rh8 Re7 60. Ra8 Ne6 61. Ra2 Nd4 62. Qc1+ 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.23"]
[Round "9"]
[White "Ervin, Roy C"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "72"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. Rb1 Be6 7. Nf3 h6 8. 0-0 f5 9. Ne1 Nf6 10. b4 a6 11. b5 axb5 12. Rxb5 Qc8 13. Nc2 Nd8 14. Ba3 0-0 15. Qd2 f4 16. Nd5 Nxd5 17. cxd5 Bh3 18. Ra5 Rxa5 19. Qxa5 Nf7 20. f3 Ng5 21. Qe1 h5 22. Rf2 fxg3 23. hxg3 Bxg2 24. Rxg2 Rxf3 25. Bc1 Rf5 26. Ne3 Rf8 27. g4 Nh3+ 28. Kh1 Nf4 29. Rh2 hxg4 30. Qg3 Nh5 31. Qh4 g3 32. Rg2 Rf4 33. Qe7 Qh3+ 34. Kg1 Rh4 35. Qe6+ Qxe6 36. dxe6 Nf4 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.22"]
[Round "8"]
[White "Ervin, Roy C"]
[Black "Silman, Jeremy D"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "153"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. Nc3 Bg7 4. e3 Nf6 5. d4 0-0 6. d5 d6 7. Be2 e6 8. 0-0 exd5 9. cxd5 Na6 10. Qb3 Nc7 11. a4 Rb8 12. Rd1 Bg4 13. Bd2 a6 14. a5 Nd7 15. h3 Bxf3 16. Bxf3 f5 17. Na4 Ne8 18. Be2 Nef6 19. Bd3 Qe7 20. Nb6 Nxb6 21. Qxb6 Kh8 22. Qb3 Ne4 23. Bxe4 fxe4 24. Bc3 Rbe8 25. Ra4 Kg8 26. Bxg7 Qxg7 27. Qc2 Qf7 28. Rxe4 Rxe4 29. Qxe4 Qxf2+ 30. Kh2 Qf5 31. Qe6+ Qxe6 32. dxe6 Rd8 33. e7 Re8 34. Rxd6 Rxe7 35. Rd3 Kf7 36. Kg3 Kf6 37. Rc3 c4 38. Kf3 Re5 39. Rxc4 Rxa5 40. g4 Rb5 41. b4 g5 42. Ke4 Ke6 43. Kd3 Rd5+ 44. Kc2 Rd7 45. Rc5 Rd5 46. Rc7 Rd7 47. Rc8 Kd5 48. Kd3 Ke5+ 49. Kc4 Ke4 50. Re8+ Kf3 51. e4 Kg3 52. e5 Kxh3 53. e6 Rc7+ 54. Kd5 Kxg4 55. Rf8 h5 56. Kd6 Rc6+ 57. Kd7 Rxe6 58. Kxe6 h4 59. Rb8 h3 60. Rxb7 Kf4 61. Rf7+ Ke4 62. Rh7 g4 63. Rh4 Kf4 64. Kf6 Kg3 65. Kg5 h2 66. Rxg4+ Kh3 67. Rh4+ Kg3 68. Rh5 Kg2 69. Kf4 h1Q 70. Rxh1 Kxh1 71. Ke4 Kg2 72. Kd5 Kf3 73. Kc6 Ke4 74. Kb7 Kd5 75. Kxa6 Kc6 76. b5+ Kc7 77. Ka7 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.21"]
[Round "7"]
[White "Tisdall, Jonathan D"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "26"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 cxd2+ 8. Bxd2 Qxf6 9. 0-0 c6 10. Bc3 Qh6 11. Re1+ Kd8 12. Bc4 f6 13. Qf3 Bd6 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.20"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Barnes, Craig N"]
[Result "1-0"]
[ECO "A41"]
[PlyCount "59"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Bg4 5. e3 c5 6. Be2 Nh6 7. dxc5 dxc5 8. Qxd8+ Kxd8 9. Bd2 Kc8 10. h3 Bd7 11. 0-0-0 Nc6 12. Ng5 f6 13. Nge4 b6 14. Nd5 Nf7 15. Bc3 Re8 16. f4 Rb8 17. Bf3 Ncd8 18. g4 Bh8 19. Rh2 Bc6 20. f5 Bxd5 21. Rxd5 Nc6 22. Nxc5 Nce5 23. Bxe5 Nxe5 24. Be4 Bg7 25. Ne6 Bh6 26. g5 Bf8 27. Rxe5 fxe5 28. fxg6 hxg6 29. Bc6 Rd8 30. Rf2 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.17"]
[Round "5"]
[White "Ervin, Roy C"]
[Black "Denker, Arnold Sheldon"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "64"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 g6 4. d4 Bg7 5. exd5 cxd5 6. Bf4 Bg4 7. Nb5 Kf8 8. c3 Nc6 9. Be2 a6 10. Na3 e6 11. Nc2 Nge7 12. Ne3 Bxf3 13. Bxf3 h6 14. h4 Kg8 15. g4 Qa5 16. 0-0 g5 17. hxg5 Ng6 18. Ng2 hxg5 19. Bxg5 Qc7 20. Re1 Re8 21. Be3 Rh3 22. Kf1 Qh2 23. Rc1 b5 24. b3 b4 25. c4 Nxd4 26. Bxd4 Bxd4 27. cxd5 Qh1+ 28. Ke2 exd5+ 29. Kd3 Rxe1 30. Nxe1 Bc3 31. Ke2 d4 32. Ng2 Nf4+ 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.16"]
[Round "4"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C84"]
[PlyCount "61"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4 11. Qg3 0-0 12. Bh6 Nh5 13. Qg4 dxc3 14. Nxc3 Nd4 15. Qxh5 gxh6 16. f4 Nxb3 17. axb3 Bf6 18. Qxh6 b4 19. Nd5 Bg7 20. Qh5 c6 21. Ne3 Qb6 22. Rf3 Kh8 23. Kh1 Qd4 24. Rg3 Qxb2 25. Rd1 Rg8 26. Nc4 Qf2 27. Nxd6 Raf8 28. Rg4 Qc2 29. Rg1 Qxb3 30. Rh4 h6 31. Qxh6+ 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.15"]
[Round "3"]
[White "Liberzon, Vladimir Mikhailovi"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "86"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nc6 7. d5 Nb8 8. Re1 c6 9. Bf1 Re8 10. h3 a6 11. a4 cxd5 12. Nxd5 b6 13. c3 Bb7 14. Nxf6+ Bxf6 15. Bg5 Nd7 16. Bxf6 Nxf6 17. e5 dxe5 18. Nxe5 Qxd1 19. Rexd1 Red8 20. Nc4 Rxd1 21. Rxd1 b5 22. Nb6 Rb8 23. a5 Kg7 24. c4 bxc4 25. Bxc4 e6 26. Rd6 Nd5 27. Bxd5 Bxd5 28. Nxd5 exd5 29. Rb6 Rc8 30. Rxa6 Rc1+ 31. Kh2 Rb1 32. Rb6 d4 33. Rb3 d3 34. Rxd3 Rxb2 35. Ra3 Rb7 36. a6 Ra7 37. Kg3 Kf6 38. Kf4 h6 39. h4 Ke6 40. Ke4 Kd6 41. f4 h5 42. f5 Kc7 43. Kf4 Kb8 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.14"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Bilek, Istvan"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "91"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Nc3 0-0 8. Bc4 Nbd7 9. 0-0 Nb6 10. Bb3 Nbxd5 11. Re1 b6 12. Ne5 Bb7 13. Qf3 Rb8 14. Qh3 Rc8 15. Bd2 Nxc3 16. bxc3 Rc7 17. Qh4 b5 18. a4 a6 19. axb5 axb5 20. Ra5 Qe8 21. Qg3 Nh5 22. Nxf7 Nxg3 23. Nd6+ Kh8 24. Nxe8 Rxe8 25. hxg3 b4 26. cxb4 Bxd4 27. Bf4 Rc3 28. Ba4 Bc6 29. Bxc6 Rxc6 30. Rd5 Bb6 31. Re2 Kg8 32. b5 Rc4 33. Re6 Bd4 34. Kf1 Rb4 35. Bd2 Ra4 36. Re4 e5 37. f4 Ra2 38. Rdxd4 exd4 39. Rxe8+ Kf7 40. Re2 d3 41. Rf2 Ke6 42. Be1 Ra3 43. Rb2 Kd7 44. b6 Kc8 45. b7+ Kb8 46. g4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1975.04.13"]
[Round "1"]
[White "Damjanovic, Mato"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "106"]
[EventDate "1975.04.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Nf3 0-0 6. 0-0 Nc6 7. h3 e5 8. d5 Ne7 9. Be3 c5 10. Nd2 Ne8 11. Nc4 f5 12. f4 exf4 13. Bxf4 Bd4+ 14. Be3 Bxe3+ 15. Nxe3 Nf6 16. exf5 Nxf5 17. Nxf5 Bxf5 18. g4 Bc8 19. Qd2 Nd7 20. Rxf8+ Qxf8 21. Rf1 Qe7 22. a4 Kg7 23. Qf4 Ne5 24. Ne4 Bd7 25. b3 Re8 26. Bd3 Rd8 27. Rf2 b6 28. Bf1 Bc8 29. a5 bxa5 30. Bb5 Bb7 31. c4 Bc8 32. Kg2 h6 33. Qf6+ Qxf6 34. Rxf6 Nf7 35. Re6 Bxe6 36. dxe6 Kf8 37. exf7 Kxf7 38. Nc3 Ke6 39. Nd5 Rf8 40. Ba4 Ke5 41. Ne7 Kf6 42. Nc6 Re8 43. Nxa7 Ra8 44. Nb5 Rd8 45. Nc3 Ra8 46. Nd5+ Ke5 47. Kg3 Ra7 48. Nb6 Rb7 49. Nd5 Rf7 50. h4 Rf1 51. Ne7 Kf6 52. Nd5+ Ke5 53. Ne7 Kf6 1/2-1/2

[Event "WchT Students 20th final A"]
[Site "Teeside"]
[Date "1974.07.31"]
[Round "9"]
[White "Ambroz, Jan"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "85"]
[EventDate "1974.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "United States"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "USA"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Qe2 c6 6. Bb3 0-0 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. 0-0 e5 11. Be3 Qe7 12. Rad1 Kh8 13. dxe5 dxe5 14. Rd2 Nc5 15. Rfd1 Ne6 16. Qe2 b5 17. Bxe6 Qxe6 18. Rd6 Qe8 19. Bc5 Rg8 20. g4 h6 21. Qf3 Nh7 22. Be3 Nf8 23. Ne2 a6 24. Qg3 Kh7 25. Bxh6 Bxh6 26. g5 Bxg5 27. Qxg5 Rh8 28. Ng3 Kg8 29. h4 Ne6 30. Qf6 Rh7 31. c3 Rg7 32. Kf1 Rh7 33. Ke2 Rc8 34. h5 Rg7 35. h6 Rh7 36. Qxe5 Rxh6 37. f4 Rh2+ 38. Kf3 Rh7 39. Qf6 Qf8 40. f5 gxf5 41. exf5 Ng7 42. Rd8 Rxd8 43. Rxd8 1-0

[Event "WchT Students 20th final A"]
[Site "Teeside"]
[Date "1974.07.26"]
[Round "5"]
[White "Ervin, Roy C"]
[Black "Ost Hansen, Jacob"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "41"]
[EventDate "1974.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "DEN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. c4 Qc7 8. Nc3 g6 9. Be3 Bg7 10. Rc1 0-0 11. f3 b6 12. Qd2 Bb7 13. Rfd1 Nbd7 14. Bf1 Rfd8 15. b4 Rac8 16. Nb3 Bf8 17. Qf2 Rb8 18. Na4 Ba8 19. c5 bxc5 20. bxc5 Qc6 21. Rc4 1/2-1/2

[Event "WchT Students 20th final A"]
[Site "Teeside"]
[Date "1974.07.25"]
[Round "4"]
[White "Ervin, Roy C"]
[Black "Enigl, Karl"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "51"]
[EventDate "1974.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Austria"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "AUT"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 d6 7. Nc3 Bg4 8. h3 Bh5 9. g4 Bf7 10. Ng5 Bg8 11. f4 exf4 12. Bxf4 Qd7 13. e5 dxe5 14. Bxe5 0-0-0 15. Bxf6 Bc5+ 16. Kh1 gxf6 17. Qxd7+ Rxd7 18. Nge4 Bd4 19. Nxf6 Rg7 20. Rf4 Be5 21. Nh5 Rf7 22. Re4 Bd6 23. Rae1 Rf2 24. Re8+ Kd7 25. R1e2 Rxe2 26. Nf6# 1-0

[Event "WchT Students 20th final A"]
[Site "Teeside"]
[Date "1974.07.24"]
[Round "3"]
[White "Ervin, Roy C"]
[Black "Nehmert, Ulrich"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "59"]
[EventDate "1974.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "GER"]

1. d3 g6 2. g3 Bg7 3. Bg2 e5 4. c4 Ne7 5. Nc3 0-0 6. Bd2 c6 7. e4 Na6 8. Nge2 d6 9. Be3 Be6 10. 0-0 Qd7 11. f4 f5 12. b3 Rae8 13. Rc1 b6 14. Qd2 Nb8 15. d4 fxe4 16. dxe5 dxe5 17. Qxd7 Nxd7 18. Nxe4 Bh6 19. Rcd1 Bg4 20. Bf3 Bh3 21. Rfe1 exf4 22. Bxf4 g5 23. Bxg5 Bxg5 24. Nxg5 Ne5 25. Bh5 Bg4 26. Bxe8 Rxe8 27. h3 Nf3+ 28. Nxf3 Bxf3 29. Rd3 Be4 30. Rd2 1-0

[Event "WchT Students 20th final A"]
[Site "Teeside"]
[Date "1974.07.22"]
[Round "1"]
[White "Hazai, Laszlo"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "49"]
[EventDate "1974.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "United States"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "USA"]

1. e4 d6 2. Nc3 g6 3. d4 Bg7 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 Nc6 7. d5 Nb8 8. h3 c6 9. Re1 Nbd7 10. Bf1 Re8 11. Be3 Qc7 12. Qd2 Nb6 13. b3 Nxe4 14. Nxe4 cxd5 15. Bxb6 axb6 16. Qxd5 Bxa1 17. Rxa1 Qxc2 18. Nfg5 Rf8 19. Bc4 Qb2 20. Re1 Ra5 21. Qd3 Bf5 22. Rb1 Qe5 23. b4 Raa8 24. Re1 Bxe4 25. Nxe4 1/2-1/2

[Event "WchT Students 20th Group5"]
[Site "Teeside"]
[Date "1974.07.19"]
[Round "4"]
[White "Ervin, Roy C"]
[Black "Al Junid, F."]
[Result "1-0"]
[ECO "B83"]
[PlyCount "81"]
[EventDate "1974.07.15"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Iraq"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "IRQ"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. 0-0 Be7 8. Kh1 0-0 9. f4 Bd7 10. Ndb5 Qb8 11. a4 a6 12. Na3 Qc7 13. Be3 Na5 14. Qd4 Rac8 15. Rad1 Nc6 16. Qd2 Na5 17. Bd4 e5 18. Be3 Be6 19. Nd5 Bxd5 20. exd5 Ne4 21. Qb4 Nc5 22. fxe5 dxe5 23. Qg4 Qd6 24. b4 Nxa4 25. bxa5 Nc3 26. Nc4 Qg6 27. Nxe5 Qxg4 28. Bxg4 Nxd1 29. Rxd1 Rxc2 30. d6 Bd8 31. Bb6 Bxb6 32. axb6 Rd8 33. h3 Rc5 34. Re1 Rd5 35. Nxf7 Kxf7 36. Be6+ Kf8 37. Rf1+ Ke8 38. Bf7+ Kd7 39. Bxd5 Kxd6 40. Bxb7 Kc5 41. Rb1 1-0

[Event "WchT Students 20th Group5"]
[Site "Teeside"]
[Date "1974.07.17"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Galarza, Polo"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "93"]
[EventDate "1974.07.15"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Qh5 Bd7 17. Bh3 0-0-0 18. Qxf7 Bh6+ 19. Kb1 Rdf8 20. Qe7 Re8 21. Nxe6 Bxe6 22. Bxe6+ Nxe6 23. Qxd6 Qxd6 24. Rxd6 Nc7 25. Nd5 Re6 26. Ne7+ Kb7 27. Rxe6 Nxe6 28. Rg1 Rf8 29. Nd5 Bg5 30. e5 Kc6 31. Nb4+ Kb6 32. c3 a5 33. Nd3 Kc6 34. h4 Be3 35. Rg4 Kd5 36. h5 Nc5 37. Kc2 Ke6 38. Rg7 Rf7 39. Rg8 Rb7 40. Re8+ Kf5 41. Re7 Rb8 42. b4 axb4 43. Nxb4 Ne6 44. Rxh7 Rc8 45. Rb7 Bd4 46. Rxb5 Bxe5 47. Nd5 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1974.03.29"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Cleghorn, Peter"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "57"]
[EventDate "1974.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 Bd7 9. 0-0-0 0-0 10. g4 Ne5 11. Kb1 Rc8 12. h4 b5 13. Nd5 Nxd5 14. exd5 Qc7 15. h5 b4 16. hxg6 fxg6 17. Qh2 h5 18. gxh5 Nxf3 19. Qg2 Nxd4 20. Bxd4 Rf4 21. Bxg7 Rg4 22. Qd2 Kxg7 23. hxg6 Bf5 24. Bd3 Bxd3 25. Qh6+ Kf6 26. Rhf1+ Bxf1 27. g7+ Rg6 28. Rxf1+ Ke5 29. Qxg6 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1974.03.27"]
[Round "4"]
[White "Ervin, Roy C"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "B94"]
[PlyCount "66"]
[EventDate "1974.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 b5 8. Qd3 Bb7 9. 0-0-0 e6 10. a3 Rc8 11. f5 e5 12. Nde2 Qc7 13. Rd2 Be7 14. h4 0-0 15. g4 b4 16. axb4 d5 17. exd5 Bxb4 18. Kb1 e4 19. Qh3 Qa5 20. Rd4 Bxc3 21. Nxc3 Nxd5 22. Nxd5 Bxd5 23. c4 Bc6 24. Bg2 Rb8 25. Bf4 Rb7 26. Rc1 Nc5 27. Rc3 Ba4 28. Bd6 Qb6 29. Rd2 Nb3 30. Rxb3 Bxb3 31. Bxf8 Qa5 32. Re2 Qa2+ 33. Kc1 Rd7 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1974.03.24"]
[Round "1"]
[White "Ervin, Roy C"]
[Black "Barnes, Craig N"]
[Result "1-0"]
[ECO "B79"]
[PlyCount "59"]
[EventDate "1974.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Bb3 Rfc8 12. h4 Ne5 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. Bd4 Be6 17. Rhe1 Nd7 18. Bxg7 Kxg7 19. Nd4 Rc8 20. Nce2 Kg8 21. h5 Ne5 22. hxg6 Qb6 23. Rh1 Nxg6 24. Qh6 Nf8 25. Rd3 Rxc2 26. Nxc2 Qa6 27. Qg5+ Ng6 28. Nb4 Qc4 29. Qd2 a5 30. Nd5 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.22"]
[Round "8"]
[White "Ulrich, James W"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "D26"]
[PlyCount "60"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nc3 cxd4 5. exd4 Bb4 6. Nf3 0-0 7. Bd3 d5 8. 0-0 dxc4 9. Bxc4 a6 10. Qe2 b5 11. Bb3 Bb7 12. Bg5 Be7 13. Rad1 b4 14. Na4 Nbd7 15. Rfe1 Nd5 16. Bc1 Qa5 17. Ne5 Nxe5 18. Qxe5 Rfd8 19. Bg5 Bxg5 20. Qxg5 Bc6 21. Nc5 Qc7 22. Nd3 a5 23. Rc1 Qd6 24. Bc2 Rac8 25. Ne5 Be8 26. Qh4 g6 27. Nf3 Qf4 28. Qxf4 Nxf4 29. Be4 Rxc1 30. Rxc1 Ne2+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.21"]
[Round "7"]
[White "Ervin, Roy C"]
[Black "Berry, Jonathan"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "65"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 c6 5. h3 Qc7 6. a4 Nf6 7. Bc4 Nxe4 8. Bxf7+ Kxf7 9. Nxe4 Rf8 10. h4 Kg8 11. h5 Bg4 12. hxg6 hxg6 13. Qd3 Bxf3 14. gxf3 Qa5+ 15. Bd2 Qf5 16. Qb3+ d5 17. Ng5 Nd7 18. Rh4 Bf6 19. Rg4 c5 20. c3 cxd4 21. cxd4 Nb6 22. Ne4 Kg7 23. Ng3 Qe6+ 24. Kf1 Nc4 25. Qd3 Nxd2+ 26. Qxd2 Rh8 27. Kg2 Rh4 28. Re1 Qd7 29. Rxh4 Bxh4 30. Rh1 Rh8 31. Qf4 Bxg3 32. fxg3 Rxh1 33. Kxh1 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.20"]
[Round "6"]
[White "Harkins, James L"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "118"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f3 Bg7 5. c3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. Ne2 d5 9. 0-0 Re8 10. exd5 Nxd5 11. Bg5 f6 12. Bh4 exd4 13. cxd4 N7b6 14. Nbc3 Ne3 15. Rfe1 Nf5 16. Bf2 Bh6 17. f4 Nd6 18. b3 c6 19. Qc2 f5 20. Rad1 Be6 21. Nb1 Nd5 22. g3 Nb4 23. Qd2 Nxd3 24. Qxd3 Ne4 25. Be3 Bf8 26. Nec3 Nf6 27. h3 a5 28. Nd2 Bb4 29. Re2 Bxc3 30. Qxc3 a4 31. Bf2 axb3 32. axb3 Bd5 33. Rxe8+ Qxe8 34. Re1 Qd7 35. Ra1 Re8 36. Re1 Rxe1+ 37. Bxe1 Qe6 38. Kf1 Bg2+ 39. Kxg2 Qxe1 40. Qd3 Nd5 41. Nf1 Kf7 42. Kf3 Nc3 43. Nd2 Qd1+ 44. Kg2 Nd5 45. h4 Qe1 46. Nc4 Ke6 47. Kf3 Qh1+ 48. Kf2 Qh2+ 49. Kf3 Qh1+ 50. Kf2 Kd7 51. Ke2 Qg2+ 52. Kd1 Qg1+ 53. Ke2 Qa1 54. Kd2 Nf6 55. d5 cxd5 56. Ne5+ Ke6 57. Qb5 Ne4+ 58. Kc2 Qa2+ 59. Kc1 Qd2+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.18"]
[Round "1"]
[White "Lorencis, Girts"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "65"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 dxe5 5. fxe5 Bf5 6. Nf3 e6 7. c4 Nb4 8. Na3 c5 9. Be3 N8c6 10. Be2 Qa5 11. 0-0 0-0-0 12. d5 exd5 13. cxd5 Nxd5 14. Bg5 f6 15. exf6 gxf6 16. Bh4 Bh6 17. Qb3 Rhg8 18. Be1 Qc7 19. Nh4 Nd4 20. Nb5 Nxb3 21. Nxc7 Nxa1 22. Nxd5 Rxd5 23. Nxf5 Rxf5 24. Rxf5 Be3+ 25. Bf2 Nc2 26. Bxe3 Nxe3 27. Rxc5+ Kd7 28. Bf3 b6 29. Rh5 Rg7 30. Be4 f5 31. Bxf5+ Kd6 32. Be4 Nd1 33. Rd5+ 1-0

[Event "Montreal op"]
[Site "Montreal"]
[Date "1973.09.03"]
[Round "7"]
[White "Zalys, Ignas"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "72"]
[EventDate "1973.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. c4 Nb6 9. exd6 Bxd6 10. Nc3 0-0 11. Bg5 Be7 12. Rd1 Qe8 13. Nb5 f5 14. Qh4 Bxg5 15. Qxg5 h6 16. Qd2 Qg6 17. Qc3 a6 18. Nd6 Rd8 19. Qb3 Nd7 20. Nxc8 Raxc8 21. Qxb7 Qe8 22. Qxa6 Nc5 23. Rxd8 Qxd8 24. Qa3 Nd4 25. Nxd4 Qxd4 26. Be2 Qe4 27. 0-0 Qxe2 28. b3 Rd8 29. g3 Nd3 30. Qa7 f4 31. Qe7 Rf8 32. Qa7 Qf3 33. Qb6 Rf6 34. a4 fxg3 35. hxg3 Nf4 36. Qe3 Qg2# 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1973.03.23"]
[Round "6"]
[White "Grefe, John Alan"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "91"]
[EventDate "1973.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Qf4 g5 12. Qg3 Nc6 13. Nf3 Qa5 14. h4 cxd4 15. hxg5 Bd7 16. gxh6 0-0-0 17. h7 Rdf8 18. Ke2 dxc3 19. Rh6 Qc5 20. Rah1 Nb4 21. Ne1 Bb5 22. R1h5 Nxd3 23. Nxd3 d4 24. Rg5 Bxd3+ 25. Qxd3 f5 26. f4 Qd5 27. Rg7 Kb8 28. Rf6 Rd8 29. Kf2 Qe4 30. Rff7 Qxf4+ 31. Qf3 Qd2+ 32. Kg3 Qe1+ 33. Kh3 Qh1+ 34. Kg3 Qe1+ 35. Kh2 Qh4+ 36. Qh3 Qe4 37. Qg3 d3 38. cxd3 Qd5 39. Qf3 Qxf3 40. gxf3 c2 41. Rxb7+ Ka8 42. Rxa7+ Kb8 43. Rab7+ Ka8 44. Rbc7 Rxd3 45. Rxc2 Rdd8 46. Rcc7 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.13"]
[Round "4"]
[White "Formanek, Edward W"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "135"]
[EventDate "1973.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c5 7. dxc5 Qa5 8. 0-0 Qxc5+ 9. Kh1 a6 10. Ne1 Qc7 11. g4 Nc6 12. g5 Nd7 13. Nd5 Qd8 14. c3 b5 15. Nd3 Bb7 16. Bf3 e6 17. Ne3 Nc5 18. Ng4 Ne7 19. Nxc5 dxc5 20. Be3 Qc7 21. Nf6+ Kh8 22. Qe1 Bxf6 23. gxf6 Ng8 24. Qh4 Rad8 25. Rae1 Rd3 26. Bg2 Rc8 27. Rf3 Qd8 28. Rh3 Nxf6 29. Bd4 Rxd4 30. cxd4 Qxd4 31. Re2 Qd1+ 32. Qe1 Rd8 33. Rhe3 Kg7 34. Qxd1 Rxd1+ 35. Re1 Rd4 36. Bf3 Kf8 37. Kg2 Ke7 38. Kf2 Kd8 39. Rc3 Bxe4 40. Rxc5 Bxf3 41. Kxf3 Nd5 42. Re4 Rd2 43. Re2 Rxe2 44. Kxe2 Nxf4+ 45. Kf3 Nd5 46. a4 bxa4 47. Ra5 Nc7 48. Rxa4 Kd7 49. Rd4+ Ke7 50. Rc4 Kd6 51. Rd4+ Ke7 52. Rc4 Kd8 53. Rd4+ Kc8 54. Rf4 f5 55. Rh4 g5 56. Rxh7 Nd5 57. h3 e5 58. Rg7 e4+ 59. Kg3 f4+ 60. Kf2 Nb4 61. Rxg5 Nd3+ 62. Ke2 Nxb2 63. h4 Nd3 64. h5 f3+ 65. Ke3 Nf4 66. Rf5 Nxh5 67. Rxh5 Kb7 68. Rh6 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1973.03.12"]
[Round "2"]
[White "Pease, Ronald"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "48"]
[EventDate "1973.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 Nfd7 7. Be3 Nb6 8. Be2 f6 9. 0-0 c6 10. Qd2 Be6 11. d5 Nxd5 12. Nxd5 Bxd5 13. Rad1 fxe5 14. Nxe5 dxe5 15. c4 e6 16. Bc5 Rxf4 17. Rxf4 exf4 18. Qxf4 Nd7 19. Bf2 Qf6 20. Qc7 Rf8 21. Bxa7 Qxb2 22. cxd5 Qxe2 23. Rb1 c5 24. Bxc5 Qd3 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.18"]
[Round "7"]
[White "Ramirez, Gilbert"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "27"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. d3 d6 7. Re1 Nf6 8. Nc3 0-0 9. Bg5 h6 10. Bh4 g5 11. Bg3 e5 12. h3 Rb8 13. Rb1 Qa5 14. a3 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.17"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Cleghorn, Peter"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "74"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Nc3 Qxg2 8. Qf3 Qxf3 9. Nxf3 Bd7 10. d3 0-0-0 11. Be3 Bb4 12. 0-0-0 Bxc3 13. bxc3 Nd5 14. Ba6+ Kb8 15. Kd2 Ka8 16. Ng5 Nxe3 17. Kxe3 Rdf8 18. Rb1 Na5 19. Rb4 c5 20. Rb2 f5 21. Rhb1 h6 22. Nf3 Re8 23. Bb7+ Nxb7 24. Rxb7 f4+ 25. Ke2 Bg4 26. Rxg7 Rhg8 27. Rxg8 Rxg8 28. Rb5 Rc8 29. h3 Bh5 30. Ra5 Rc6 31. Ra4 c4 32. Ra5 cxd3+ 33. cxd3 Rb6 34. Rxe5 Rb2+ 35. Ke1 Bxf3 36. Rc5 Re2+ 37. Kf1 Rd2 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.16"]
[Round "5"]
[White "Savage, Allan George"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "90"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. d4 Nxd4 8. Nxe5 0-0 9. 0-0 Nxb3 10. axb3 Ne8 11. Be3 Nf6 12. Qe2 d5 13. Rfd1 Be6 14. Qb5 Qc8 15. Bc5 a6 16. Qb4 Bxc5 17. Qxc5 Rd8 18. Rd3 Rd6 19. Rad1 b6 20. Qd4 Bf5 21. Rg3 Bxc2 22. Rd2 Bg6 23. Nxg6 fxg6 24. h3 Qd7 25. Re2 Re8 26. Rxe8+ Qxe8 27. b4 Qd7 28. Rg5 Kf7 29. Kh2 h6 30. Rg3 g5 31. Rf3 Qc6 32. b3 Re6 33. Qxd5 Qxd5 34. Nxd5 Rc6 35. Kg3 Ke6 36. Nxf6 gxf6 37. Kg4 Kf7 38. Kf5 Re6 39. Rc3 Re5+ 40. Kg4 Re4+ 41. Kg3 Rxb4 42. Rxc7+ Kg6 43. Rc3 a5 44. f3 h5 45. Kf2 h4 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.15"]
[Round "4"]
[White "Manetti, Pete"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "A94"]
[PlyCount "96"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 d5 5. Bg2 c6 6. 0-0 Bd6 7. b3 0-0 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Qc1 Qe7 11. Ne5 Qd6 12. Qb2 g5 13. e3 a5 14. Rac1 Qe7 15. Nc2 Qg7 16. Ne1 Kh8 17. N1d3 g4 18. Nf4 Nxe5 19. dxe5 Ne4 20. Bxe4 fxe4 21. Nh5 Qg6 22. Nf6 Kg7 23. Qa3 Rxf6 24. exf6+ Qxf6 25. Qd6 Qf8 26. Qxf8+ Kxf8 27. Kg2 Bd7 28. h3 gxh3+ 29. Kxh3 Be8 30. f3 exf3 31. Rxf3+ Ke7 32. Rcf1 Bg6 33. g4 a4 34. cxd5 axb3 35. axb3 exd5 36. R3f2 Kd6 37. Kg3 Ra3 38. Rb2 Kc5 39. Rf4 Be4 40. Rf7 Ra7 41. g5 Kb4 42. Kf4 Kc3 43. Rh2 Kxb3 44. Rhxh7 Bxh7 45. Rxh7 Ra1 46. Rxb7+ Kc4 47. g6 Rg1 48. g7 c5 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.14"]
[Round "3"]
[White "Ervin, Roy C"]
[Black "Berner, George"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "140"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 h5 5. Bd3 Qd7 6. Ne2 h4 7. h3 f6 8. f4 Nh6 9. Na3 e6 10. Nc2 Bxd3 11. Qxd3 Nf5 12. Ne3 Nce7 13. Ng4 Kf7 14. Bd2 b6 15. 0-0 c5 16. Kh2 Ng6 17. exf6 gxf6 18. dxc5 bxc5 19. b4 c4 20. Qc2 Bd6 21. Rad1 Qc7 22. Kh1 Nge7 23. Be3 Rag8 24. Rf3 Ng3+ 25. Nxg3 hxg3 26. Nxf6 Kxf6 27. Bd4+ Kf7 28. Bxh8 Rxh8 29. f5 e5 30. f6 Ng6 31. Rxg3 e4 32. Rg5 Be5 33. Rf1 Qc8 34. Kg1 Qe6 35. Qd1 Nf4 36. Rg7+ Kxf6 37. Rg4 Qb6+ 38. Kh1 Qe6 39. Rgxf4+ Bxf4 40. Qd4+ Qe5 41. Rxf4+ Ke6 42. Qe3 Rg8 43. Rh4 Rf8 44. Rh6+ Rf6 45. Rxf6+ Qxf6 46. Kg1 Qh4 47. Kf1 Qf6+ 48. Ke2 Qg7 49. g4 Qe5 50. g5 Qh2+ 51. Kd1 Qh1+ 52. Ke2 Qg2+ 53. Kd1 Qxa2 54. Ke1 Qh2 55. b5 Qb2 56. g6 Qb1+ 57. Kd2 Qxb5 58. Qxa7 Qb2+ 59. Kd1 Qb1+ 60. Ke2 Qd3+ 61. Kf2 Qf3+ 62. Ke1 Qxc3+ 63. Kd1 Qf3+ 64. Kc1 Qf1+ 65. Kc2 Qg2+ 66. Kb1 Qxg6 67. Qb6+ Kf5 68. Qd4 Qd6 69. h4 Qb4+ 70. Ka1 Qa3+ 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.13"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Goichberg, William"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "99"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 0-0 9. g4 a5 10. g5 Nd7 11. a4 Nb4 12. Qd2 b6 13. Bd4 Bb7 14. Bxg7 Kxg7 15. f3 Rc8 16. h4 Nc5 17. Nd4 e5 18. Ndb5 d5 19. exd5 Nxd5 20. 0-0-0 Nxc3 21. Nxc3 Qxd2+ 22. Rxd2 Rfd8 23. Rhd1 Ne6 24. Rxd8 Rxd8 25. Rxd8 Nxd8 26. Nb5 Ne6 27. Nd6 Nd4 28. Nxb7 Nxe2+ 29. Kd2 Nd4 30. Ke3 Nf5+ 31. Ke4 f6 32. c3 Nxh4 33. b4 fxg5 34. bxa5 bxa5 35. Nxa5 Nf5 36. Nc6 h5 37. Nxe5 Kf6 38. a5 Nd6+ 39. Kd5 Nb5 40. c4 Nc7+ 41. Kc6 Na6 42. Nd3 h4 43. Kb7 h3 44. Kxa6 h2 45. Nf2 Kf5 46. Kb5 Kf4 47. Nh1 Kxf3 48. a6 Kg2 49. a7 Kxh1 50. a8Q+ 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.12"]
[Round "1"]
[White "Karklins, Andrew"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "57"]
[EventDate "1972.03.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 c4 7. Nbd2 Nc6 8. b3 cxb3 9. Nxb3 Na5 10. Nxa5 Qxa5 11. Bd2 Qa4 12. Qb1 b5 13. Bd3 Ne7 14. 0-0 Nc8 15. Bxh7 Nb6 16. Bc2 Qc4 17. Bd3 Qc7 18. Qd1 Nc4 19. Bc1 Rc8 20. Ng5 Be7 21. Ra2 Nb6 22. Rc2 Nc4 23. f4 g6 24. Qg4 Rg8 25. Qh3 Bxg5 26. fxg5 Qb6 27. Qh7 Rf8 28. Qg7 Rc7 29. Rcf2 1-0

[Event "USA"]
[Site "USA"]
[Date "1972.??.??"]
[Round "?"]
[White "Ervin, Roy C"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "71"]
[EventDate "1972.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Qe7 16. Nxe6 Bxe6 17. fxe6 g6 18. exf7+ Kxf7 19. Qe2 Kg7 20. Nd5 Qd8 21. Bh3 Rf8 22. Rhf1 Ra7 23. Be6 Nc4 24. Rxf8 Qxf8 25. b3 Ne5 26. Rf1 Qd8 27. Qf2 Rb7 28. Qd4 Qe8 29. Bh3 a5 30. Ne3 Bxe3 31. Qxe3 b4 32. Qd4 Qc6 33. Be6 Qc5 34. Qd2 Rc7 35. Rf2 Qc3 36. Qf4 1/2-1/2

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.31"]
[Round "8"]
[White "Ervin, Roy C"]
[Black "Wuntschek, S."]
[Result "1-0"]
[ECO "C51"]
[PlyCount "89"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a5 6. b5 Nce7 7. Nxe5 d5 8. exd5 Bd4 9. Nxf7 Kxf7 10. c3 Nxd5 11. Qh5+ Ke6 12. Qg4+ Kf7 13. Qxd4 Ngf6 14. 0-0 Re8 15. d3 h6 16. Nd2 Bf5 17. f3 Kg6 18. Ne4 Nb6 19. Nxf6 Qxd4+ 20. cxd4 Kxf6 21. Bf4 Re7 22. Be5+ Kg6 23. g4 Bc8 24. Kg2 Nxc4 25. dxc4 Be6 26. c5 Rf8 27. Kg3 Rd7 28. f4 Bd5 29. h4 Re8 30. f5+ Kf7 31. Rf2 Kg8 32. g5 Rf8 33. g6 Be4 34. Kg4 Bd5 35. Ra3 c6 36. Re3 Bc4 37. bxc6 bxc6 38. Bd6 Rfd8 39. Rb2 Ra8 40. Rb1 Kh8 41. Rbe1 Bg8 42. Re8 Rxe8 43. Rxe8 Rd8 44. Re7 Re8 45. f6 1-0

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.30"]
[Round "7"]
[White "Benko, Pal C"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "157"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 0-0 8. Qc2 Re8 9. Nge2 c6 10. 0-0 Nf8 11. Ng3 g6 12. Rab1 a5 13. a3 Ne6 14. Bxf6 Bxf6 15. b4 axb4 16. axb4 Qd6 17. Rfc1 Bd7 18. b5 Ra5 19. bxc6 bxc6 20. Na4 Rb8 21. Rxb8+ Qxb8 22. Ne2 Qa7 23. Nac3 Kg7 24. h3 h5 25. Qb2 Qa8 26. Rd1 c5 27. dxc5 Nxc5 28. Bc2 Ba4 29. Bxa4 Nxa4 30. Qd2 Nxc3 31. Nxc3 Bxc3 32. Qxc3+ Kh7 33. Qe5 Qd8 34. Rb1 Ra6 35. Rb7 Qf6 36. Qxd5 Kg7 37. g3 Ra1+ 38. Kg2 Rc1 39. Qd4 Rc2 40. Qxf6+ Kxf6 41. Kf3 Ra2 42. Rb6+ Ke5 43. g4 hxg4+ 44. hxg4 g5 45. Kg3 Ra3 46. Rb5+ Kf6 47. Kf3 Ra2 48. Rc5 Kg6 49. Rd5 Rb2 50. e4 Rb3+ 51. Ke2 Rb4 52. Ke3 Rb1 53. f3 Re1+ 54. Kf2 Ra1 55. e5 Ra3 56. Ke2 Rb3 57. Rd6+ Kg7 58. Rd3 Rb5 59. Re3 Rd5 60. Re4 Kf8 61. f4 gxf4 62. Kf3 Kg7 63. Kxf4 Rd1 64. Kf5 Rf1+ 65. Rf4 Re1 66. g5 Ra1 67. Rg4 Rf1+ 68. Ke4 Kg6 69. Rf4 Re1+ 70. Kd5 Rd1+ 71. Kc6 Re1 72. Kd6 Rd1+ 73. Ke7 Rd5 74. Re4 Kxg5 75. Kxf7 Kf5 76. e6 Kxe4 77. e7 Re5 78. e8Q Rxe8 79. Kxe8 1/2-1/2

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.29"]
[Round "6"]
[White "Ervin, Roy C"]
[Black "Durrant, Edward"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "91"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. h3 Bg7 7. g4 0-0 8. g5 Nfd7 9. f4 e5 10. Nde2 exf4 11. Bxf4 Ne5 12. Nd4 Nbc6 13. Ndb5 Be6 14. Qxd6 Qb6 15. 0-0-0 a6 16. Nc7 Rad8 17. N7d5 Qf2 18. Bxe5 Rxd6 19. Bxd6 Rd8 20. Bc7 Rd7 21. Bb6 Qh4 22. Bd3 Qxg5+ 23. Kb1 Qe5 24. h4 h5 25. Bc4 Bg4 26. Rdf1 Nd4 27. Rf2 Nf3 28. Rhf1 Qg3 29. Na4 Qe5 30. Nac3 Qg3 31. Na4 Qxh4 32. Nc5 Rd6 33. Nd3 Qh3 34. N3f4 Qh4 35. c3 Ne5 36. Bb3 Rd7 37. Bd4 Qd8 38. Bxe5 Bxe5 39. Nxg6 fxg6 40. Nf6+ Kg7 41. Nxd7 Bxd7 42. Rf7+ Kh6 43. Rd1 Qh4 44. Rfxd7 Qxe4+ 45. Bc2 Qf3 46. Rg1 1-0

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.28"]
[Round "5"]
[White "Vranesic, Zvonko"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "127"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7. Nf3 0-0 8. Bd3 Re8 9. 0-0 c6 10. Qc2 a5 11. Rab1 Nf8 12. a3 Ne4 13. Bxe7 Qxe7 14. b4 axb4 15. axb4 Ng6 16. Nd2 f5 17. Nf3 f4 18. Rfe1 Bf5 19. b5 Nxc3 20. Qxc3 Ra3 21. Rb3 Rxb3 22. Qxb3 Bxd3 23. Qxd3 fxe3 24. Rxe3 Qd7 25. bxc6 bxc6 26. Ng5 Rxe3 27. Qxe3 Qe7 28. Qe6+ Qxe6 29. Nxe6 Ne7 30. g4 Kf7 31. Nf4 Ng6 32. Nd3 Ke6 33. f4 Kd6 34. Kf2 Nf8 35. Ke3 g6 36. f5 gxf5 37. gxf5 Nd7 38. Kf4 h6 39. h3 Nf6 40. Ne5 Nh5+ 41. Ke3 Ng3 42. Nf7+ Ke7 43. Nxh6 Kf6 44. Kf3 Nf1 45. Kf4 Nd2 46. Ng4+ Ke7 47. h4 Nb3 48. Ke5 c5 49. dxc5 Nxc5 50. Kxd5 Nd7 51. Ke4 Kf8 52. Kf4 Kg7 53. Kg5 Nc5 54. f6+ Kf7 55. Kf5 Kg8 56. Ne5 Kh7 57. Nf7 Nd7 58. Kg5 Nf8 59. Kh5 Nd7 60. Ng5+ Kg8 61. Kg6 Ne5+ 62. Kf5 Nd7 63. h5 Nf8 64. Ke5 1-0

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.26"]
[Round "3"]
[White "Zeidaks, Andris"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "52"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. c4 Nf6 6. Bg5 dxc4 7. Bxc4 0-0 8. 0-0 Nbd7 9. Nbd2 c6 10. Ne4 Be7 11. Ng3 h6 12. Bd2 Nb6 13. Bd3 Re8 14. Qc2 Nbd5 15. a3 a5 16. Rae1 Be6 17. Nf5 Bf8 18. Ne5 Ne7 19. Re3 Nxf5 20. Bxf5 Qxd4 21. Bc3 Qc5 22. Bxe6 Rxe6 23. Rfe1 Nd5 24. Nxf7 Nxe3 25. Qb3 Qd5 26. Qxb7 Qxg2# 0-1

[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.25"]
[Round "2"]
[White "Ervin, Roy C"]
[Black "Johnson, Robert K"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "123"]
[EventDate "1971.08.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bc4 Qb6 7. Nb3 Bg4 8. f3 Bd7 9. Qe2 e6 10. Be3 Qc7 11. 0-0 Be7 12. Rfd1 a6 13. Qf2 b5 14. Bf1 Rb8 15. a4 b4 16. Nb1 a5 17. N1d2 Ne5 18. Nd4 0-0 19. h3 d5 20. f4 Nc4 21. e5 Nxe3 22. Qxe3 Ne8 23. Bd3 g6 24. Kh1 Ng7 25. g4 Bc5 26. N2b3 Ba7 27. Qg3 Bb6 28. Qh4 Qb7 29. Qh6 Rbe8 30. Kh2 f6 31. Nf3 Re7 32. Qh4 Ne8 33. Nbd4 Rg7 34. Bb5 fxe5 35. Bxd7 Qxd7 36. Nxe5 Qc8 37. Ndc6 Rxf4 38. Rf1 g5 39. Ne7+ Rxe7 40. Qxg5+ Rg7 41. Qxf4 Nd6 42. Rae1 Bc7 43. Kh1 Nf7 44. Qd4 Nxe5 45. Rxe5 Bxe5 46. Qxe5 Qe8 47. Rf6 Rg6 48. g5 Rxf6 49. gxf6 Qd7 50. Kg2 h6 51. Qg3+ Kh8 52. Kf3 e5 53. Qxe5 Qxh3+ 54. Ke2 Qg4+ 55. Ke3 Qg5+ 56. Kd4 Qxe5+ 57. Kxe5 Kg8 58. Kxd5 Kf7 59. Ke5 h5 60. Kf5 h4 61. Kg4 Kxf6 62. Kxh4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.19"]
[Round "7"]
[White "Ervin, Roy C"]
[Black "Marchand, Erich Watkinson"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "133"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 e5 6. d3 Nc6 7. f4 Bd6 8. Nf3 Nf6 9. 0-0 Bg4 10. c3 Qb6 11. cxd4 cxd4 12. a3 a5 13. Kh1 0-0 14. fxe5 Bxe5 15. Nxe5 Nxe5 16. Bf4 Qxb2 17. Bxe5 Bxe2 18. Rf2 Qb5 19. Qxe2 Qxe5 20. Rf5 Qe7 21. Qb2 Rfd8 22. Rb5 Ra7 23. Rb1 g6 24. Bf3 h5 25. Rxb7 Rxb7 26. Qxb7 Qxa3 27. e5 Ng4 28. Bxg4 hxg4 29. e6 fxe6 30. Qe4 Qe7 31. Qxg6+ Qg7 32. Qxe6+ Qf7 33. Qxg4+ Qg7 34. Qxg7+ Kxg7 35. Kg2 Ra8 36. Kf3 Re8 37. Kf4 Re3 38. Rb3 Re2 39. h4 Rf2+ 40. Kg5 Rf6 41. g4 a4 42. Ra3 Ra6 43. Kf5 Kh6 44. Ke5 Kg7 45. Kxd4 Rg6 46. g5 Ra6 47. Ke5 Ra5+ 48. Kf4 Kg6 49. Kg4 Ra8 50. h5+ Kf7 51. d4 Ke6 52. h6 Kf7 53. Kh5 Ra5 54. d5 Rxd5 55. Rxa4 Kg8 56. Ra8+ Kh7 57. Ra7+ Kg8 58. Re7 Ra5 59. Kg4 Rb5 60. g6 Rb8 61. Kf5 Rb5+ 62. Ke6 Rb8 63. Kd7 Rb7+ 64. Kd8 Rb8+ 65. Kc7 Ra8 66. Kb7 Rd8 67. Rc7 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.18"]
[Round "6"]
[White "McCormick, James"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "239"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. d3 c5 9. Nbd2 Nc6 10. cxd5 Nxd5 11. Nc4 Bf6 12. Qd2 Bxb2 13. Qxb2 Qe7 14. Rfd1 Rfd8 15. Rac1 Rac8 16. a3 Nf6 17. e3 h6 18. Rd2 Rc7 19. Rcd1 b5 20. Nce5 Nxe5 21. Qxe5 Qd6 22. Qb2 a6 23. e4 Qb6 24. Ne5 Rdc8 25. h3 Qd6 26. Kh2 Nd7 27. Ng4 e5 28. Ne3 g6 29. h4 h5 30. Bh3 Rd8 31. Rg1 Nf6 32. Rdd1 Bc8 33. Bxc8 Rdxc8 34. Qe2 Qe6 35. Rb1 Rd8 36. Rgd1 Kg7 37. Kg2 Qd6 38. Rbc1 Qe6 39. Qb2 Rdc8 40. f4 exf4 41. Nd5 f3+ 42. Kxf3 Rc6 43. Kg2 Kg8 44. Nf4 Qd7 45. Rd2 Ng4 46. Nd5 Rd6 47. Kg1 Rxd5 48. exd5 Qd6 49. Rg2 Ne3 50. b4 Nxg2 51. Qxg2 Rc7 52. Kh2 cxb4 53. Rxc7 Qxc7 54. axb4 Qd6 55. Qe4 Qc7 56. Qe8+ Kg7 57. Qe2 Qd6 58. Qe4 Qf6 59. Kg2 Qb2+ 60. Kh3 Qf6 61. d4 Qf1+ 62. Qg2 Qxg2+ 63. Kxg2 Kf6 64. Kf3 Ke7 65. g4 hxg4+ 66. Kxg4 f6 67. Kf4 Kd7 68. Ke3 Kd6 69. Ke4 f5+ 70. Kf4 Kxd5 71. Kg5 Kc4 72. Kxg6 f4 73. h5 f3 74. h6 f2 75. h7 f1Q 76. h8Q Qg1+ 77. Kf5 Qxd4 78. Qc8+ Kxb4 79. Qxa6 Qd3+ 80. Kf6 Kb3 81. Kg7 Kb2 82. Kh8 Qc3+ 83. Kh7 b4 84. Kg8 Qf3 85. Kh8 b3 86. Qg6 Qf8+ 87. Kh7 Qc8 88. Qg7+ Qc3 89. Qa7 Kb1 90. Qg1+ Qc1 91. Qg6+ Qc2 92. Kh8 b2 93. Qg1+ Qc1 94. Qg6+ Ka2 95. Qe6+ Ka3 96. Qa6+ Kb4 97. Qb6+ Kc4 98. Qc6+ Kd3 99. Qd5+ Ke3 100. Qe5+ Kf3 101. Qf6+ Ke2 102. Qe5+ Kd1 103. Qh5+ Kc2 104. Qc5+ Kb3 105. Qb5+ Ka2 106. Qa6+ Kb1 107. Qg6+ Qc2 108. Qg1+ Ka2 109. Qa7+ Kb3 110. Qb6+ Ka3 111. Qd6+ Kb3 112. Qb6+ Kc3 113. Qf6+ Kd2 114. Qg5+ Kd1 115. Qg1+ Kd2 116. Qg5+ Kd3 117. Qd5+ Ke3 118. Qg5+ Kf2 119. Qf6+ Kg1 120. Qg6+ 1/2-1/2

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.18"]
[Round "5"]
[White "Mengarini, Ariel"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "21"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 Nc6 4. Ne2 Nf6 5. e5 Nd7 6. c3 Be7 7. Nf4 Nf8 8. Qh5 Ng6 9. Nf3 0-0 10. Bd3 Bd7 11. h4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.17"]
[Round "4"]
[White "Ervin, Roy C"]
[Black "Mayer, Harry"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "133"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bxf6 Bxf6 10. 0-0-0 Qc7 11. h4 Nc6 12. Nb3 Bd7 13. g4 0-0-0 14. Rh3 g5 15. fxg5 Bxc3 16. Qxc3 hxg5 17. hxg5 Rxh3 18. Qxh3 Ne5 19. Be2 Bc6 20. Qe3 Kb8 21. Kb1 Rh8 22. Qf4 Rg8 23. Nd4 Rh8 24. b3 Rd8 25. Qf6 Bxe4 26. Qf4 Bg6 27. Qd2 Rc8 28. Kb2 d5 29. Re1 Rh8 30. Bd1 Nc6 31. Nxc6+ Qxc6 32. Bf3 Qc7 33. Re2 Rh3 34. Bg2 Rh8 35. Qd4 Rc8 36. Qd2 Qg3 37. Qb4 Qc7 38. Qd2 Rd8 39. Qd4 Rd6 40. Rd2 Qd8 41. Qe5 Qc7 42. c4 d4 43. Rxd4 Rxd4 44. Qxd4 e5 45. Qd5 Qe7 46. c5 e4 47. Qd6+ Qxd6 48. cxd6 Kc8 49. Kc3 Kd7 50. Kd4 Kxd6 51. Bxe4 b6 52. Bf5 a5 53. a4 Kc6 54. Ke5 Kc5 55. Bxg6 fxg6 56. Kf6 Kb4 57. Kxg6 Kxb3 58. Kf7 Kxa4 59. g6 b5 60. g7 b4 61. g8Q b3 62. Qh8 b2 63. Qh7 Kb3 64. Qd3+ Kb4 65. g5 a4 66. g6 a3 67. Qc2 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.16"]
[Round "3"]
[White "Ervin, Roy C"]
[Black "Newbold, Robert C"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "97"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Ng4 9. Ne2 f6 10. exf6 exf6 11. Bf4 Qe7 12. Qd2 Re8 13. h3 Ne3 14. Kf2 Nd5 15. Bc4 Be6 16. Rae1 Qd7 17. Bh6 Bf7 18. Ng3 Nb6 19. Bxf7+ Qxf7 20. b3 Rad8 21. Bxg7 Kxg7 22. Rxe8 Rxe8 23. Re1 Rxe1 24. Qxe1 Qd7 25. Qd2 Qe7 26. c4 Nd8 27. d5 Nd7 28. Nd4 Qe5 29. Qe3 a6 30. Qxe5 Nxe5 31. Ne4 Kf7 32. Ke3 Ke7 33. g4 b6 34. c5 Nb7 35. b4 h5 36. gxh5 bxc5 37. bxc5 gxh5 38. Nf5+ Kf7 39. c6 Na5 40. Nc5 Nac4+ 41. Kd4 Kg6 42. Ne3 Nxe3 43. Kxe3 Kf7 44. Nxa6 Ke7 45. Nxc7 Kd6 46. Nb5+ Kxd5 47. c7 Nc4+ 48. Kf4 Nb6 49. Na7 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.15"]
[Round "2"]
[White "Evans, Larry Melvyn"]
[Black "Ervin, Roy C"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "73"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 f5 6. d3 d6 7. Nge2 Nf6 8. Rb1 0-0 9. b4 a6 10. a4 Rb8 11. 0-0 a5 12. b5 Nb4 13. Ba3 c5 14. bxc6 bxc6 15. Bxb4 axb4 16. Bxc6 bxc3 17. Rxb8 Qc7 18. Rxc8 Rxc8 19. Bb5 d5 20. Nxc3 d4 21. exd4 exd4 22. Ne2 Ng4 23. Nf4 Bh6 24. Nd5 Qd6 25. Re1 Bg5 26. Qe2 Kg7 27. a5 Kh6 28. Qe6 Qa3 29. Qxc8 Qb2 30. Rf1 Be3 31. Qf8+ Kg5 32. Qe7+ Kh6 33. Qh4+ Kg7 34. fxe3 dxe3 35. Nxe3 Qd4 36. Qe7+ Kh6 37. Rf4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1971.03.14"]
[Round "1"]
[White "Ervin, Roy C"]
[Black "Grefe, John Alan"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "46"]
[EventDate "1971.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 0-0 6. Bg5 c6 7. Qd2 b5 8. Bd3 Nbd7 9. e5 b4 10. exf6 bxc3 11. Qxc3 Nxf6 12. Qxc6 Rb8 13. Qc3 Bb7 14. 0-0-0 Nd5 15. Qa3 Qb6 16. Rhe1 e6 17. Bc4 Rfc8 18. Bb3 Nb4 19. Kb1 a5 20. c4 a4 21. Bxa4 Rxc4 22. Qe3 Nd5 23. Qb3 Rxa4 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "4"]
[White "Chism, Olin"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "56"]
[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 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. exf6 Qxf6 8. Bd3 Bd6 9. 0-0 0-0 10. h3 Kh8 11. Be2 e5 12. dxe5 Ndxe5 13. Nxe5 Qxe5 14. f4 Rxf4 15. Nf3 Rxf3 16. Rxf3 Qh2+ 17. Kf2 Ne5 18. Bf4 Bc5+ 19. Be3 Nxf3 20. Bxc5 Nh4 21. Qxd5 Bxh3 22. Bf3 Nxf3 23. Qxf3 Be6 24. Qxb7 Rd8 25. Bd4 Bd5 26. Qxa7 Qxg2+ 27. Ke3 Re8+ 28. Kf4 Re4+ 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "9"]
[White "Ervin, Roy C"]
[Black "Appleberry, Martin"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "62"]
[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 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 e5 7. Nc2 Bc5 8. Be3 d6 9. Bxc5 dxc5 10. Qxd8+ Kxd8 11. 0-0-0+ Nd4 12. f4 Ng4 13. Rd2 Bd7 14. Be2 Nxe2+ 15. Rxe2 exf4 16. Nd5 Be6 17. Rd1 Bxd5 18. Rxd5+ Ke7 19. Rxc5 Rac8 20. Rg5 Nxh2 21. g3 Nf3 22. Rxg7 Rcg8 23. Rxg8 Rxg8 24. g4 Rxg4 25. b4 Rg1+ 26. Kb2 h5 27. Rf2 Rg3 28. b5 h4 29. Nb4 h3 30. Nd5+ Kd8 31. bxa6 bxa6 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "5"]
[White "Ervin, Roy C"]
[Black "Levy, David Neil Lawrence"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "71"]
[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. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 Rb8 10. a4 Nd4 11. Ra2 a6 12. Ne2 Nxf3+ 13. Bxf3 b5 14. axb5 Rxb5 15. b3 Qc7 16. Ra4 Rb4 17. Ra3 Nc6 18. Qe1 Nd4 19. Nxd4 Bxd4 20. Bxd4 Rxd4 21. Qe3 Rb4 22. Rfa1 Re8 23. Ra5 Rb5 24. R5a4 Kf8 25. Be2 Rb4 26. R4a3 f5 27. Bf3 d5 28. c3 Rb5 29. Re1 Bd7 30. g4 Qd6 31. gxf5 exf5 32. e5 Qe7 33. Rxa6 Rxb3 34. Bxd5 Rb2 35. Qh3 h5 36. Qg3 1-0

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "11"]
[White "Ervin, Roy C"]
[Black "Roy, David W"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "35"]
[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. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 e6 6. Nge2 Nge7 7. h4 d5 8. h5 d4 9. Ne4 dxe3 10. fxe3 Qa5 11. Nd6+ Kf8 12. 0-0 Nf5 13. Nxf5 gxf5 14. d4 Qd8 15. dxc5 Qg5 16. e4 Qxh5 17. exf5 exf5 18. Bxc6 1-0

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "6"]
[White "Gauntt, Robert J"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "110"]
[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. g3 c5 2. Bg2 Nc6 3. d3 g6 4. c3 Bg7 5. Nd2 e6 6. Nb3 d6 7. e4 Nge7 8. Be3 0-0 9. f4 f5 10. Nd2 Rb8 11. h4 b5 12. h5 b4 13. hxg6 hxg6 14. Qc2 bxc3 15. bxc3 Ba6 16. Nh3 Nb4 17. cxb4 Bxa1 18. Ng5 Qd7 19. Nb3 Bg7 20. e5 Rfc8 21. Rh7 cxb4 22. Qd2 dxe5 23. Nc5 Rxc5 24. Bxc5 e4 25. Rxg7+ Kxg7 26. Qb2+ Kg8 27. Qf6 Rf8 28. Qxe7 Qxe7 29. Bxe7 Re8 30. Bxb4 Bxd3 31. Bf1 Bxf1 32. Kxf1 e5 33. Nh3 exf4 34. Nxf4 Kf7 35. Kf2 g5 36. Nh3 Kg6 37. Bd2 Rh8 38. Kg2 Rc8 39. Bxg5 Rc2+ 40. Kg1 Rxa2 41. Be3 a5 42. Nf4+ Kg5 43. Nd5+ Kg4 44. Bf4 Re2 45. Kf1 Kf3 46. Ne7 Rb2 47. Ke1 e3 48. Bxe3 Kxe3 49. Nxf5+ Kf3 50. Kd1 a4 51. Nd4+ Kxg3 52. Kc1 a3 53. Nc2 Rb3 54. Nd4 Rb4 55. Nc2 a2 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "8"]
[White "Lapiken, Peter Petrovich"]
[Black "Ervin, Roy C"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "108"]
[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. c4 e6 2. b3 d5 3. Bb2 Nf6 4. Nf3 c6 5. Qc2 Nbd7 6. d3 Bd6 7. Nbd2 0-0 8. e3 Qe7 9. Be2 a5 10. a4 e5 11. 0-0 e4 12. Ne1 Nc5 13. Bd4 Bf5 14. Rc1 exd3 15. Nxd3 Ne6 16. Nf3 Nxd4 17. Nxd4 Be4 18. c5 Bc7 19. Qd1 Rae8 20. Rc3 Nd7 21. Qc1 f5 22. g3 g5 23. Ne1 f4 24. Bh5 Bg6 25. Bxg6 hxg6 26. Qc2 Kg7 27. Kg2 Ne5 28. Qb2 Qf6 29. exf4 gxf4 30. gxf4 Qxf4 31. Rg3 Rf6 32. Kg1 Nd7 33. Ng2 Qe5 34. f4 Qh5 35. Rg5 Qh7 36. Nh4 Kf7 37. Rg4 Re4 38. Ndf3 Bxf4 39. Rxf4 Rexf4 40. Ng5+ Kg8 41. Rxf4 Qh5 42. Ne6 Rxe6 43. Nf3 Ne5 44. Qc3 Nxf3+ 45. Rxf3 Re2 46. Rh3 Qe5 47. Qxe5 Rxe5 48. Kf2 Rh5 49. Re3 Rxh2+ 50. Kg3 Rb2 51. Kg4 Kf7 52. Rf3+ Ke6 53. Re3+ Kf6 54. Kf4 Rc2 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "12"]
[White "Radaikin, Vitaley"]
[Black "Ervin, Roy C"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "55"]
[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. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c3 Be7 5. g3 Nc6 6. Nf3 Nxe5 7. Nxe5 0-0 8. Bg2 d6 9. Nd3 c6 10. 0-0 Bf5 11. f3 Bxd3 12. exd3 Qb6+ 13. Kh1 Qb2 14. Qb3 Qxa1 15. Na3 Qxf1+ 16. Bxf1 d5 17. Nc2 Rab8 18. Qa4 a6 19. d4 Bd6 20. Kg2 Rfe8 21. Bd3 g6 22. Qa5 Nh5 23. Kf2 Re7 24. Qb6 Rbe8 25. Ne3 f5 26. Nxd5 Bxg3+ 27. hxg3 cxd5 28. Qd6 1/2-1/2

