[Event "USA"]
[Site "USA"]
[Date "1975.??.??"]
[Round "?"]
[White "Peters, Jack"]
[Black "Koplik, Charles"]
[Result "1-0"]
[ECO "B69"]
[PlyCount "63"]
[EventDate "1975.??.??"]
[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 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 Bxf6 12. Qxd6 Be7 13. Qd2 b4 14. Na4 Ra7 15. Qe3 Qa5 16. b3 Rb7 17. Nd2 Na7 18. e5 Bxa4 19. Nc4 Qc7 20. bxa4 0-0 21. Bd3 Nc6 22. Qe4 g6 23. h4 Rd8 24. h5 Nd4 25. hxg6 fxg6 26. Rxh7 Nf5 27. Rdh1 Rxd3 28. Qxd3 Qc6 29. Rh8+ Kf7 30. R1h7+ Ng7 31. Rxg7+ Kxg7 32. Qh3 1-0

[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.23"]
[Round "12"]
[White "Bone, Eric Dale"]
[Black "Koplik, Charles"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "56"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 Nf6 7. Qc1 Be6 8. Nge2 Ng4 9. Bd2 c4 10. dxc4 Bxc4 11. h3 Nf6 12. Bh6 0-0 13. Bxg7 Kxg7 14. Qd2 Qa5 15. f4 Rfd8 16. Bf3 Rac8 17. g4 Nd7 18. h4 Nb6 19. h5 d5 20. exd5 Nxd5 21. Nd4 Nxc3 22. Bxc6 bxc6 23. hxg6 hxg6 24. bxc3 c5 25. f5 Rh8 26. Rxh8 Rxh8 27. Nc6 Qc7 28. Qg2 Qf4 0-1

[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.16"]
[Round "6"]
[White "Gilden, Lawrence C"]
[Black "Koplik, Charles"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "41"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[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. f4 g6 7. Be2 Bg7 8. Nb3 Be6 9. Be3 0-0 10. 0-0 a5 11. a4 Nb4 12. Bf3 Bc4 13. Rf2 Rc8 14. Qd2 Qc7 15. Nd4 Nd7 16. b3 e5 17. bxc4 exf4 18. Bxf4 Qxc4 19. Ncb5 Ne5 20. Rd1 Nxf3+ 21. Nxf3 1-0

[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.14"]
[Round "4"]
[White "Popovych, Orest"]
[Black "Koplik, Charles"]
[Result "0-1"]
[ECO "B65"]
[PlyCount "90"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[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. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 Nxd4 10. Qxd4 h6 11. Bh4 a6 12. Be2 Nxe4 13. Nxe4 Bxh4 14. Qxd6 Qa5 15. Kb1 Rd8 16. Qc5 Qxc5 17. Nxc5 b6 18. Na4 Rb8 19. Rxd8+ Bxd8 20. Rd1 Bb7 21. g3 Bc6 22. Nc3 b5 23. Rd6 Rc8 24. a4 Be7 25. Rd1 Rb8 26. axb5 axb5 27. Na2 g5 28. fxg5 hxg5 29. Rf1 f5 30. Bd3 Kg7 31. Re1 Kf6 32. Rf1 b4 33. Nc1 Rh8 34. Nb3 Rxh2 35. Nd4 Bg2 36. Rf2 Rh1+ 37. Ka2 Bd5+ 38. Nb3 Rg1 39. c4 bxc3 40. bxc3 Rxg3 41. Rd2 Rg2 42. c4 Rxd2+ 43. Nxd2 Bc6 44. Kb3 g4 45. Nf1 Bd6 0-1

[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.13"]
[Round "3"]
[White "Koplik, Charles"]
[Black "Rohde, Michael A"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "73"]
[EventDate "1974.08.11"]
[EventType "swiss"]
[EventRounds "12"]
[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 Nf6 5. Bg5 Nc6 6. Qd2 h6 7. Bf4 Bg4 8. 0-0-0 Bxf3 9. gxf3 e5 10. dxe5 dxe5 11. Be3 Qxd2+ 12. Rxd2 0-0 13. Bb5 a6 14. Bxc6 bxc6 15. Rhd1 Rfb8 16. Na4 Bf8 17. Nc5 Bd6 18. Rxd6 cxd6 19. Rxd6 Kg7 20. Rxc6 a5 21. Bxh6+ Kxh6 22. Rxf6 Ra7 23. Nd3 Re8 24. Rd6 a4 25. c4 Kg5 26. Kc2 Ree7 27. Rd5 Kf6 28. Kc3 Red7 29. Nxe5 Rxd5 30. Ng4+ Kg5 31. exd5 Kf4 32. c5 Kxf3 33. Nf6 Kf4 34. Kd4 Kf5 35. Ne4 a3 36. b3 Re7 37. f3 1-0

[Event "Montreal North American Intercoll"]
[Site "Montreal"]
[Date "1969.12.28"]
[Round "4"]
[White "Koplik, Charles"]
[Black "Berry, Jonathan"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "72"]
[EventDate "1969.12.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. Be2 e5 6. dxe5 Nxe5 7. Nxe5 Bxe5 8. Be3 Be6 9. f4 Bxc3+ 10. bxc3 Qe7 11. 0-0 f5 12. Bd4 Nf6 13. exf5 gxf5 14. Bh5+ Kd7 15. Bf3 c6 16. Rb1 Kc7 17. Re1 Qf7 18. Qe2 Bd7 19. Rxb7+ Kxb7 20. Qb5+ Kc7 21. Qa5+ Kc8 22. Rb1 Re8 23. Qa6+ Kd8 24. Bxc6 Rc8 25. Bxf6+ Qxf6 26. Qa5+ Ke7 27. Bxd7 Kxd7 28. Qb5+ Ke7 29. Re1+ Kf8 30. Rd1 Re6 31. Rd5 Re1+ 32. Kf2 Qe6 33. Rxf5+ Kg8 34. Rg5+ Kf8 35. Qf5+ Ke8 36. Rg8+ Kd7 1-0

