[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "10"]
[White "Goichberg, William"]
[Black "Costa, Marcos"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "80"]
[EventDate "1973.08.12"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 5. Qd2 c6 6. f3 b5 7. Nge2 Ngf6 8. g4 0-0 9. Ng3 Qa5 10. h4 Nb6 11. h5 Nc4 12. Bxc4 bxc4 13. Bh6 Bxh6 14. Qxh6 Rb8 15. hxg6 fxg6 16. g5 Rxb2 17. Kd2 Nxe4+ 18. Ngxe4 Rf7 19. Rae1 Bd7 20. Rb1 Rxb1 21. Rxb1 Qc7 22. Qh2 Rxf3 23. Nc5 Rh3 24. Qf4 e5 25. dxe5 dxc5 26. Qxc4+ Kg7 27. Qxc5 Rh2+ 28. Ke3 Bf5 29. Ne2 Rh3+ 30. Kd2 Qd8+ 31. Qd4 Qxg5+ 32. Nf4 Rh2+ 33. Kc3 Rxc2+ 34. Kb3 Qg3+ 35. Nd3 Qxd3+ 36. Qxd3 Bxd3 37. Rd1 Bf5 38. e6 Re2 39. Rd7+ Kf6 40. Rf7+ Kxe6 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.18"]
[Round "7"]
[White "Koploy, Paul"]
[Black "Costa, Marcos"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "67"]
[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. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 d6 6. Nf3 c5 7. 0-0 Nbd7 8. d5 a6 9. a4 Qc7 10. Qc2 e6 11. dxe6 fxe6 12. Ng5 Ne5 13. b3 Nc6 14. Rb1 Nd4 15. Qd1 Bd7 16. e3 Nf5 17. Bb2 Rad8 18. Qc2 Rfe8 19. Rfd1 Bc6 20. Nce4 Qe7 21. Nxf6+ Bxf6 22. Bxc6 bxc6 23. Ne4 Bxb2 24. Qxb2 Rf8 25. b4 cxb4 26. Qxb4 Qf7 27. Rd2 Rb8 28. Qxb8 Rxb8 29. Rxb8+ Kg7 30. Nxd6 Nxd6 31. Rxd6 Qc7 32. Rbd8 Kf6 33. Rf8+ Ke5 34. Rd4 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.17"]
[Round "6"]
[White "Costa, Marcos"]
[Black "Goichberg, William"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "92"]
[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. Bc4 Bd7 7. Bb3 g6 8. f3 Nxd4 9. Qxd4 Bg7 10. Be3 0-0 11. Qd2 b5 12. Bh6 b4 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 Qb6 16. 0-0-0 a5 17. Qd4+ Qxd4 18. Rxd4 Rfc8 19. Bc4 Rc5 20. Re1 Kf8 21. b3 Ra7 22. g4 Rac7 23. Re2 Bb5 24. Bxb5 Rxb5 25. Kb2 g5 26. Rc4 Rbc5 27. Rxc5 Rxc5 28. Rd2 Kg7 29. a3 Rc3 30. axb4 axb4 31. Rd4 Rxf3 32. Rxb4 Rh3 33. Rb7 Kf6 34. b4 Rxh2 35. b5 h5 36. gxh5 Rxh5 37. Rb8 g4 38. c4 Rg5 39. Ra8 g3 40. Ra1 g2 41. Rg1 Ke5 42. Kc3 Ke4 43. b6 Kf3 44. Kb4 Kf2 45. Rxg2+ Rxg2 46. b7 Kf3 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.16"]
[Round "5"]
[White "Denker, Arnold Sheldon"]
[Black "Costa, Marcos"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "77"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. g4 Nbd7 7. Be3 c6 8. g5 Ne8 9. h4 Nc7 10. h5 b5 11. hxg6 hxg6 12. cxb5 Nxb5 13. Nxb5 cxb5 14. d5 Qa5+ 15. Kf1 Qb4 16. Nf3 Qxe4 17. Rh4 Qf5 18. Kg2 Bb7 19. Bxb5 Bxd5 20. Bxd7 Bxf3+ 21. Qxf3 Qxd7 22. Rah1 Rfc8 23. Bd4 Bxd4 24. Rxd4 Qf5 25. Qxf5 gxf5 26. Rdh4 Kg7 27. Rh7+ Kf8 28. R1h6 Ke8 29. Rg7 Kd7 30. Rxf7 Rc2 31. Rhh7 Rxb2 32. Rxe7+ Kc6 33. g6 Rg8 34. g7 Rb7 35. Rxb7 Kxb7 36. Kf3 Kc6 37. Kf4 Kd7 38. Kxf5 Ke7 39. Kg6 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.15"]
[Round "4"]
[White "Costa, Marcos"]
[Black "Brandts, Paul"]
[Result "0-1"]
[ECO "C98"]
[PlyCount "166"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Qb8 15. b4 cxb4 16. cxb4 Bd7 17. axb5 axb5 18. Bb2 Rxa1 19. Qxa1 Nb7 20. Bd3 Rc8 21. Qa6 Ne8 22. Ra1 Bd8 23. Nb3 Nc7 24. Qa7 Na8 25. Bxe5 dxe5 26. Nc5 Nxc5 27. bxc5 Be8 28. d6 Bf6 29. d7 Bxd7 30. Qxd7 Rxc5 31. Bxb5 Nc7 32. Bd3 Ne6 33. Rb1 Qf8 34. g3 Rc3 35. Kg2 Nc5 36. Qc7 Rxd3 37. Nxe5 Rd8 38. Ng4 Bd4 39. Rd1 Ne6 40. Qc2 h5 41. Nh2 Qc5 42. Qe2 Rb8 43. Rd2 Bc3 44. Rd5 Qb4 45. Rxh5 Nc5 46. Rh4 Re8 47. Qh5 g6 48. Qh7+ Kf8 49. Rf4 Qb7 50. Qxg6 Rxe4 51. Qd6+ Ke8 52. Nf3 Rxf4 53. Qxf4 Ne6 54. Qe3 Bd4 55. Qe2 Kf8 56. Kh2 Ba7 57. h4 Qd5 58. Kg1 Nc5 59. Ng5 Nd3 60. Nh3 Qf5 61. Kg2 Bc5 62. f4 Qd5+ 63. Kh2 Qd4 64. Qg2 Qe3 65. h5 Kg8 66. Qa8+ Kg7 67. h6+ Kxh6 68. Qh8+ Kg6 69. Qg8+ Kf6 70. Qd8+ Be7 71. Qh8+ Ke6 72. Qc8+ Kd6 73. Qb8+ Kc6 74. Qc8+ Kb6 75. Qb8+ Ka5 76. Qa8+ Kb4 77. Qb7+ Kc3 78. Qc6+ Bc5 79. Qf6+ Bd4 80. Qc6+ Bc5 81. Qf6+ Kc2 82. Qf5 Kc1 83. Ng5 Qe2+ 0-1

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.14"]
[Round "3"]
[White "Christiansen, Larry Mark"]
[Black "Costa, Marcos"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "97"]
[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. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d3 e5 7. c4 Nbd7 8. 0-0 Nh5 9. Nc3 f5 10. Rc1 Ndf6 11. c5 Qe7 12. cxd6 cxd6 13. Nb5 Ne8 14. Nd2 Be6 15. Nc4 Qd7 16. a4 f4 17. d4 e4 18. d5 Bh3 19. Bxg7 Nhxg7 20. Bxe4 fxg3 21. hxg3 Bxf1 22. Qxf1 Qe7 23. Qg2 Rd8 24. Rc3 Qf6 25. Qf1 a6 26. Rf3 Qe7 27. Nc3 Rc8 28. Rxf8+ Kxf8 29. Bd3 Nf6 30. Qh3 Rc7 31. Qh4 Kg8 32. a5 Nge8 33. Qd4 Qg7 34. Kg2 Nh5 35. Qxg7+ Kxg7 36. Ne4 h6 37. Ned2 Nhf6 38. e4 Nd7 39. f4 Kf6 40. Nf3 Ke7 41. e5 g5 42. Nfd2 gxf4 43. gxf4 b5 44. axb6 Rb7 45. Bg6 Ng7 46. Nxd6 Rb8 47. N2c4 Rf8 48. Kg3 Rg8 49. Kf3 1-0

[Event "Lone Pine op Louis D. Statham Masters"]
[Site "Lone Pine"]
[Date "1972.03.12"]
[Round "1"]
[White "Costa, Marcos"]
[Black "Waterman, Dennis L"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "76"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f4 Bb7 9. f5 e5 10. Nde2 Nbd7 11. Bg5 Be7 12. Ng3 h5 13. Bxf6 Nxf6 14. Bd5 Nxd5 15. Nxd5 Rc8 16. Nxe7 Qxe7 17. 0-0 d5 18. f6 Qc5+ 19. Kh1 g6 20. exd5 Bxd5 21. Re1 0-0 22. Nf5 Bxg2+ 23. Kxg2 Qxc2+ 24. Qxc2 Rxc2+ 25. Kh1 gxf5 26. Rxe5 Kh7 27. Rf1 Rd8 28. Rexf5 Kg6 29. R5f2 Rdd2 30. Rg1+ Kh6 31. Rxd2 Rxd2 32. Rg7 Rxb2 33. Rxf7 Rxa2 34. Ra7 b4 35. Rb7 a5 36. Rb5 Kg6 37. Rf5 Kf7 38. Rxh5 b3 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "2"]
[White "Berner, Giancarlo F"]
[Black "Costa, Marcos"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "84"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nf6 3. d3 g6 4. Bf4 Bg7 5. Qd2 0-0 6. e4 d6 7. h3 Nc6 8. Bh6 Nd4 9. Nxd4 Bxh6 10. Qxh6 cxd4 11. Ne2 Qb6 12. Qc1 e5 13. g4 Be6 14. f3 Rac8 15. Ng3 Qc5 16. Rh2 Qb4+ 17. Kf2 d5 18. Kg1 Rc6 19. a3 Qd6 20. Qh6 Rfc8 21. Nf5 Bxf5 22. gxf5 Rxc2 23. fxg6 fxg6 24. h4 Rxh2 25. Kxh2 Rc2+ 26. Kg1 Qc6 27. Bh3 Nh5 28. Qg5 Nf4 29. Bf1 Qd6 30. Re1 Rc5 31. exd5 Qxd5 32. Re4 a5 33. Qe7 b6 34. Qe8+ Kg7 35. Qe7+ Kg8 36. h5 gxh5 37. Kh1 Ng6 38. Qe8+ Kg7 39. Bh3 Qf7 40. Qd8 Qxf3+ 41. Bg2 Qf6 42. Qd7+ Kh6 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "7"]
[White "Costa, Marcos"]
[Black "Saltzberg, Mitchell"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "58"]
[EventDate "1972.08.13"]
[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 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Ng4 9. e6 f5 10. Qe2 Bg7 11. h3 Nf6 12. h4 d5 13. Ba6 Bxa6 14. Qxa6 Qd6 15. Qe2 0-0 16. Bd2 Rab8 17. 0-0-0 Rxb2 18. Kxb2 Ne4 19. Rb1 Qb4+ 20. Kc1 Qa3+ 21. Kd1 Bxc3 22. Rb3 Qxa2 23. Bxc3 Qxb3 24. Qxe4 Qxc3 25. Qa4 Rb8 26. Ke2 Rb4 27. Qxa7 Qxc2+ 28. Ke3 f4+ 29. Kf3 Qe4+ 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "8"]
[White "Priesinger, F."]
[Black "Costa, Marcos"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "95"]
[EventDate "1972.08.13"]
[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 g6 3. Bg2 Bg7 4. c4 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 Nh5 9. b4 f5 10. b5 Ne7 11. Qb3 Kh8 12. a4 f4 13. a5 h6 14. Ba3 Be6 15. Nd2 Rb8 16. b6 axb6 17. axb6 c6 18. Nde4 Nc8 19. Qb4 c5 20. Qb3 Nf6 21. Nxf6 Qxf6 22. Ne4 Qf5 23. f3 fxg3 24. hxg3 Qf7 25. Kf2 Kg8 26. Rh1 g5 27. Bc1 Qg6 28. Be3 Bf5 29. Qc2 Ne7 30. Ra1 Nc6 31. Ke1 Qe6 32. Nc3 Nb4 33. Qb3 Qd7 34. Kd2 Ra8 35. Ne4 Qe7 36. Ra3 Ra6 37. Rxa6 Nxa6 38. Bh3 Bxh3 39. Rxh3 Ra8 40. Qb5 Nb8 41. Rh2 Nc6 42. Qb2 Qd8 43. Rh1 Nb4 44. Ra1 Rb8 45. Ra4 Qxb6 46. Kd1 Qc7 47. Qa3 Bf8 48. Ra8 1/2-1/2

