| ECO C15 in 1964 play it! csom istvan defeats white's strauss anton in 72 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Qf3 Nc6 6. Bb5 Ne7 7. Bf4 a6 8. Bxc6+ bxc6 9. Ne2 O-O 10. O-O-O Ng6 11. h4 Nxf4 12. Nxf4 Qf6 13. Qe3 Bf5 14. Nd3 Bxc3 15. bxc3 Bxd3 16. Rxd3 Rfe8 17. Qg3 Re2 18. Rd2 Re7 19. Rd3 Re2 20. Rd2 Qe7 21. Rxe2 Qxe2 22. Qe3 Qc4 23. h5 h6 24. g4 Qxa2 25. Kd2 Qa3 26. g5 Qd6 27. Rg1 Kf8 28. gxh6 Qxh6 29. Qxh6 gxh6 30. Rb1 Ke7 31. Rb7 Kd7 32. c4 a5 33. Kc3 a4 34. cxd5 cxd5 35. Kb2 Ra6 36. Rb5 Rb6 |
| ECO C15 in 1964 play it! csom istvan defeats white's pavlov mircea in 104 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Qf3 Nc6 6. Bb5 Ne7 7. Bf4 a6 8. Bxc6+ bxc6 9. Ne2 O-O 10. O-O-O a5 11. h4 Qd7 12. h5 f6 13. Rhg1 Nf5 14. g4 Nd6 15. Qg3 Ba6 16. f3 Rae8 17. Rg2 Nc4 18. g5 fxg5 19. Qxg5 Rf5 20. Qg4 Ne3 21. Bxe3 Rxe3 22. Rdg1 Rf7 23. Qxd7 Rxd7 24. f4 Rf7 25. f5 Kf8 26. Rf2 Bxc3 27. Nxc3 Rh3 28. Ne2 Rxh5 29. Nf4 Rhxf5 30. Ne6+ Ke7 31. Rxf5 Rxf5 32. Nxg7 Rf1+ 33. Rxf1 Bxf1 34. Kd2 Bh3 35. Nh5 Bg4 36. Nf4 Bf5 37. a4 Kd6 38. c3 c5 39. b3 h6 40. Nh5 Be6 41. Nf4 Bf5 42. Nh5 c6 43. Nf6 Bg6 44. Ng4 cxd4 45. Nxh6 dxc3+ 46. Kxc3 Kc5 47. Ng4 d4+ 48. Kb2 Kb4 49. Ne5 Be4 50. Nd7 Bf5 51. Ne5 d3 52. Nc4 Be4 |
| ECO B12 in 1968 play it! csom istvan defeats white's szekely mihaly in 68 moves | 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bc4 Nf6 6. Qe2 O-O 7. O-O Bg4 8. Bg5 Qa5 9. Qe3 Bxf3 10. gxf3 Nbd7 11. Rfd1 Rfe8 12. Bf1 Nf8 13. Bh3 e5 14. d5 Qc7 15. Rac1 c5 16. Nb5 Qb8 17. a4 Nh5 18. Bg4 a6 19. Nc3 Nf4 20. Bxf4 exf4 21. Qxf4 b5 22. axb5 axb5 23. Ra1 Rxa1 24. Rxa1 b4 25. Nd1 Qd8 26. Ra7 Re7 27. Ra6 Be5 28. Qh6 Re8 29. Rc6 Qf6 30. b3 Bf4 31. Qh3 Ra8 32. Ne3 Ra1+ 33. Kg2 Rc1 34. Nc4 Qa1 |
| ECO B12 in 1999 play it! csom istvan defeats white's vajda szidonia in 68 moves | 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Bc4 d6 5. Qf3 e6 6. Nge2 Nd7 7. a4 Ngf6 8. O-O O-O 9. Ba2 a6 10. Bf4 Qc7 11. Rad1 e5 12. Bg3 b5 13. d5 Bb7 14. dxc6 Qxc6 15. Bh4 b4 16. Nd5 Qxc2 17. Bxf6 Nxf6 18. Nxf6+ Bxf6 19. Ng3 Bg7 20. Rxd6 Qxb2 21. Bb3 Qc3 22. Rd3 Qc7 23. Rfd1 Bc8 24. Rd6 Rb8 25. Qe3 Kh8 26. h4 Qe7 27. h5 Bf6 28. Qc5 Bg4 29. f3 Bc8 30. Qc6 Bg5 31. hxg6 hxg6 32. Kf2 Kg7 33. Rh1 Bb7 34. Qb6 Rfc8 |
| ECO B12 in 1987 play it! csom istvan defeats white's barua dibyendu in 72 moves | 1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Be2 Na6 6. O-O Nc7 7. a4 Nf6 8. h3 O-O 9. Be3 d5 10. e5 Nfe8 11. a5 Ne6 12. Nh2 c5 13. f4 cxd4 14. Bxd4 N8c7 15. Kh1 Bd7 16. Ng4 Nxd4 17. Qxd4 Bxg4 18. Bxg4 e6 19. Na4 Qe7 20. Be2 Rfc8 21. c3 Na6 22. b4 Nb8 23. Qd2 Nc6 24. Bb5 Rc7 25. Nc5 a6 26. Bxc6 Rxc6 27. Rf3 Bf8 28. Rd3 Rac8 29. c4 dxc4 30. Rd7 Qh4 31. Rxb7 Bxc5 32. bxc5 Rxc5 33. Rf1 Rd5 34. Qb4 c3 35. Rb8 Qd8 36. Qxc3 Rxb8 |
| ECO B12 in 2001 play it! csom istvan defeats white's gruzmann boris in 78 moves | 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Be3 d5 5. f3 Qb6 6. Qd2 Qxb2 7. Rb1 Qa3 8. e5 Qa5 9. Nge2 Nd7 10. h4 Nb6 11. Nf4 h5 12. e6 Bxe6 13. Nxe6 fxe6 14. Bd3 O-O-O 15. Bxg6 e5 16. O-O exd4 17. Bxd4 Nc4 18. Bf5+ Kb8 19. Qf4+ e5 20. Qg3 Bf6 21. Ne2 Ne7 22. Bd3 Rhg8 23. Qh2 Qc7 24. Bxc4 dxc4 25. Bc3 Nd5 26. Bd2 Qe7 27. Ng3 c3 28. Bc1 Qc5+ 29. Kh1 Qc4 30. Bg5 Bxg5 31. hxg5 Rxg5 32. Ne4 Rf5 33. Qh4 Rg8 34. Rxb7+ Ka8 35. Rfb1 Qe2 36. Qg3 Rff8 37. Rg7 Ne7 38. Nf6 Qxc2 39. Rg1 Nf5 |
| ECO B12 in 1985 play it! csom istvan defeats white's raaste eero in 81 moves | 1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Bd3 d6 5. O-O Nd7 6. c3 Qc7 7. h3 Ngf6 8. Bg5 O-O 9. Nbd2 Re8 10. Nh2 e5 11. f4 h6 12. fxe5 hxg5 13. exf6 Nxf6 14. g4 Be6 15. Rf2 Rad8 16. Qf1 Nh7 17. Nhf3 a6 18. Qg2 Qb6 19. Nc4 Qc7 20. Ne3 c5 21. d5 Bc8 22. Raf1 b5 23. Kh1 Rd7 24. Qg3 Qd8 25. Rh2 Rde7 26. Ng2 Bb7 27. h4 Rxe4 28. Bxe4 Rxe4 29. Nxg5 Nxg5 30. hxg5 Bxd5 31. Qh4 Qe7 32. Kg1 Re2 33. Nf4 Rxh2 34. Qxh2 Bc6 35. Qe2 Qxg5 36. Nd3 Qh4 37. Rf4 c4 38. Ne1 Qh1+ 39. Kf2 Bh6 40. Rf3 Bxf3 41. Nxf3 |
| ECO B12 in 2001 play it! csom istvan defeats white's hoelzl franz in 72 moves | 1. e4 c6 2. d4 g6 3. c4 d6 4. Nc3 Bg7 5. Be2 a6 6. Nf3 b5 7. O-O Nd7 8. Re1 Nb6 9. a4 b4 10. a5 Nd7 11. Na2 c5 12. dxc5 dxc5 13. e5 e6 14. Bg5 Qc7 15. Nc1 h6 16. Bh4 Bb7 17. Nd3 Ne7 18. Bxe7 Kxe7 19. Qd2 Rac8 20. Qe3 Rhd8 21. h4 Kf8 22. Bd1 Nb8 23. Bc2 Bxf3 24. Qxf3 Nc6 25. Rac1 Nd4 26. Qh3 h5 27. Bb1 Nf5 28. Nf4 Bxe5 29. Nxh5 gxh5 30. Bxf5 exf5 31. Qxf5 Bxb2 32. Qxh5 Qf4 33. g3 Qf6 34. Rc2 Bd4 35. Rce2 Re8 36. Qg4 Bxf2+ |
| ECO B12 in 1999 play it! csom istvan defeats white's zieher hartmut in 79 moves | 1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. c4 d6 5. Nc3 Bg4 6. Be2 Qb6 7. Na4 Qa5+ 8. Bd2 Qc7 9. Bf4 Nf6 10. e5 dxe5 11. Nxe5 Bxe2 12. Qxe2 Nh5 13. Bd2 Nd7 14. f4 O-O 15. O-O c5 16. Nxc5 Nxc5 17. dxc5 Qxc5+ 18. Kh1 Qc7 19. Rae1 Rad8 20. b3 Rd6 21. Bb4 Re6 22. Qf2 Nxf4 23. Qxf4 Bxe5 24. Qf2 b6 25. Bc3 Qd6 26. Rd1 Qc6 27. Bxe5 Rxe5 28. h3 Rf5 29. Qe2 Rxf1+ 30. Qxf1 Rc8 31. Qd3 Rc7 32. Qd8+ Kg7 33. Qd4+ f6 34. Qd5 Qxd5 35. Rxd5 Kf7 36. Rd8 e5 37. Rh8 Ke6 38. Kg1 e4 39. Kf2 Rd7 40. Ke2 |
| ECO B12 in 1980 play it! csom istvan defeats white's nielsen jens ove in 82 moves | 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d6 5. a4 Na6 6. Be2 Nc7 7. O-O Nf6 8. h3 O-O 9. Be3 d5 10. e5 Nd7 11. Nh2 f5 12. f4 a5 13. g4 b6 14. Rf2 Ba6 15. Bxa6 Rxa6 16. Ne2 e6 17. Ng3 Qh4 18. Kg2 Qe7 19. Nf3 Rb8 20. Kh1 b5 21. axb5 cxb5 22. Rg2 a4 23. c3 Rba8 24. Bc1 b4 25. cxb4 Qxb4 26. Qg1 Ne8 27. Ng5 Nf8 28. Bd2 Qb5 29. Nxe6 Rxe6 30. gxf5 Rb6 31. fxg6 hxg6 32. f5 Qd7 33. e6 Nxe6 34. fxe6 Qxe6 35. Re1 Qxh3+ 36. Rh2 Qg4 37. Bc1 Nf6 38. Qg2 Re6 39. Rxe6 Qxe6 40. Qd2 Ng4 41. Re2 Qf6 |
| ECO B10 in 1992 play it! csom istvan defeats white's varga zoltan in 124 moves | 1. e4 c6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. Be3 a6 6. a4 a5 7. Be2 Na6 8. h4 h5 9. Nh3 Nb4 10. Ng5 Nh6 11. f3 d5 12. cxd5 cxd5 13. Bb5+ Bd7 14. e5 O-O 15. O-O Bf5 16. Rc1 f6 17. e6 Qb6 18. Qd2 fxg5 19. hxg5 Ng4 20. fxg4 Bxg4 21. Rfe1 Bxe6 22. Ne4 dxe4 23. d5 Qd6 24. dxe6 Nd3 25. Bxd3 exd3 26. Bc5 Bd4+ 27. Bxd4 Qxd4+ 28. Qe3 Qxe3+ 29. Rxe3 Rfd8 30. Rd1 Ra6 31. Rexd3 Rxd3 32. Rxd3 Rxe6 33. Rd5 Rb6 34. Rxa5 Rxb2 35. Re5 Kf7 36. a5 Rb4 37. g3 Rb2 38. Kf1 b6 39. axb6 Rxb6 40. Kg2 Rb4 41. Kf3 Rg4 42. Kf2 Ra4 43. Kf3 Ra1 44. Ke4 Rg1 45. Kf4 Rf1+ 46. Ke4 Rf2 47. Ra5 Rd2 48. Re5 Ra2 49. Kf3 Ra3+ 50. Kf4 Rd3 51. Re4 Rd6 52. Re5 Ke8 53. Ke4 Kd7 54. Ra5 Re6+ 55. Kf4 Rb6 56. Ke5 Rb4 57. Ra7+ Ke8 58. Ke6 Re4+ 59. Kd5 Re3 60. g4 hxg4 61. Ra4 g3 62. Rg4 Kd7 |
| ECO B12 in 1976 play it! csom istvan defeats white's pinter j in 72 moves | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Be3 a6 11. dxc5 Nbd7 12. c6 bxc6 13. Nh3 Bd6 14. O-O-O Qc7 15. Rhg1 a5 16. a3 a4 17. Ba2 Ba6 18. Qd2 Ne4 19. Qe1 Ndf6 20. Bd4 c5 21. Bxf6 Nxf6 22. g4 c4 23. c3 Rb8 24. Qe2 Nd7 25. g5 hxg5 26. Nhxg5 Nc5 27. Nxf7 Bf4+ 28. Kb1 Qxf7 29. Bxc4 Bxc4 30. Qxc4 Qb7 31. b4 Qe4+ 32. Qxe4 Nxe4 33. Kb2 O-O 34. Rd7 Bh6 35. Nd4 Rxf2+ 36. Ka1 Nxc3 |
| ECO B12 in 2001 play it! csom istvan defeats white's klovans janis in 36 moves | 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. f4 d6 5. Nf3 Bg4 6. Be3 d5 7. e5 Qb6 8. Rb1 Nh6 9. h3 Nf5 10. Bf2 Bxf3 11. Qxf3 Nd7 12. b4 e6 13. g4 Ne7 14. Bd3 f5 15. Na4 Qc7 16. b5 Qa5+ 17. Ke2 Qxa4 18. Rb3 Rc8 |
| ECO B07 in 2002 play it! csom istvan defeats white's lickleder andrea in 92 moves | 1. e4 d6 2. Nc3 g6 3. d4 Bg7 4. Bc4 c6 5. Bb3 Qc7 6. Nf3 e5 7. dxe5 dxe5 8. O-O Nf6 9. a4 b6 10. Qe2 O-O 11. Rd1 Nh5 12. Bc4 Nf4 13. Bxf4 exf4 14. h3 Nd7 15. Ra3 Ne5 16. Nxe5 Bxe5 17. Rd2 a6 18. Nd1 Ra7 19. Rad3 b5 20. Bb3 Qa5 21. axb5 axb5 22. c3 Qc7 23. f3 Ra1 24. Kh2 Qe7 25. Nf2 h5 26. Rd1 Ra7 27. R3d2 Bc7 28. Kh1 Bb6 29. Rd6 Kg7 30. Rxc6 Be3 31. Rcd6 Qh4 32. Rf1 Rc7 33. Qe1 b4 34. Nd1 Qe7 35. Rd5 Bc5 36. Qd2 Be6 37. c4 Bxd5 38. cxd5 Qf6 39. Nf2 Rb8 40. Nd3 Be3 41. Qe2 Rd8 42. Rd1 Qb6 43. Ne5 Rc1 44. Nc4 Qd4 45. Rxc1 Bxc1 46. g3 fxg3 |
| ECO B06 in 1972 play it! csom istvan defeats white's abbou mohamed ma in 78 moves | 1. e4 g6 2. Nf3 Bg7 3. d4 c6 4. Nbd2 d5 5. Bd3 Nh6 6. c3 Nd7 7. O-O O-O 8. Re1 Re8 9. e5 Nf8 10. Nf1 f6 11. Qc2 Bg4 12. Bxh6 Bxh6 13. h3 Be6 14. Re2 Qd7 15. N1d2 Bf7 16. exf6 exf6 17. Rae1 Ne6 18. g3 Ng7 19. Rxe8+ Rxe8 20. Rxe8+ Nxe8 21. Kh2 Nd6 22. Nf1 Qe6 23. Qe2 Qxe2 24. Bxe2 Bc1 25. b3 Ne4 26. c4 Nxf2 27. N1d2 Bb2 28. Kg2 Ne4 29. Nxe4 dxe4 30. Nd2 f5 31. d5 cxd5 32. cxd5 Bxd5 33. Bc4 Bf7 34. Kf2 Bc3 35. Bxf7+ Kxf7 36. Nc4 Ke6 37. Ke3 b5 38. Na3 a6 39. g4 Kf6 |
| ECO B06 in 1971 play it! csom istvan defeats white's paoli enrico in 80 moves | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 c6 5. a4 Nf6 6. h3 O-O 7. Be3 Qc7 8. Bc4 Nbd7 9. O-O d5 10. exd5 Nb6 11. Bb3 Nbxd5 12. Bxd5 cxd5 13. Nb5 Qb6 14. Bf4 Bd7 15. Bc7 Qa6 16. Qd3 Rfc8 17. Qb3 Ne8 18. Be5 f6 19. Bg3 Qc6 20. Rfe1 Bf8 21. Re2 Qc4 22. Qxc4 Rxc4 23. Nc3 e6 24. Bf4 Rac8 25. Be3 Rb4 26. Ra2 Nd6 27. Ne1 Nf5 28. Rd2 a6 29. g4 Nxe3 30. fxe3 Rbc4 31. Nd3 Bh6 32. Kf2 Rxd4 33. Re2 Rdc4 34. Ra3 R8c7 35. Ra1 g5 36. Nc1 Bf8 37. Nb3 Bb4 38. Na2 Bd6 39. Nc3 Be5 40. Nd2 Rb4 |
| ECO B00 in 1966 play it! csom istvan defeats white's jocha andras in 90 moves | 1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 c5 6. O-O cxd4 7. Nb5 Be7 8. Bf4 d6 9. e5 d5 10. Nbxd4 g5 11. Bd2 Nd7 12. Re1 Nc5 13. Bb5+ Kf8 14. Bc6 Rc8 15. Bxb7 Nxb7 16. b4 Rc4 17. h3 h6 18. c3 Qd7 19. Nc2 g4 20. Nfd4 gxh3 21. Qh5 hxg2 22. f4 f5 23. Qg6 Nd8 24. Re2 Bh4 25. Qh5 Be7 26. Ne3 Rc7 27. Rxg2 Qe8 28. Qh3 Qf7 29. Kh1 h5 30. Rag1 Nh6 31. Rg7 Qxg7 32. Rxg7 Kxg7 33. Nxe6+ Nxe6 34. Nxf5+ Nxf5 35. Qxf5 Nxf4 36. Qxf4 Rc4 37. Qf5 Rh4+ 38. Kg2 Rg8 39. Qe6 Rg4+ 40. Kf3 Rf8+ 41. Ke2 Rg2+ 42. Kd1 Rf1+ 43. Be1 Bh4 44. Qd7+ Kh6 45. Qc6+ Kg5 |
| ECO D31 in 1978 play it! csom istvan defeats white's botterill george in 113 moves | 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. cxd5 exd5 7. e3 c6 8. Bd3 Nbd7 9. Qc2 Re8 10. O-O-O Nf8 11. h3 b5 12. Ne5 Bb7 13. Kb1 Qb6 14. g4 a6 15. Rhg1 c5 16. Bf5 Rad8 17. dxc5 Bxc5 18. Nf3 Be7 19. Nd4 g6 20. Bd3 N8d7 21. f4 Rc8 22. Qg2 Bf8 23. Rge1 Bg7 24. Bc2 Nc5 25. Bxf6 Qxf6 26. Nxd5 Qh4 27. Nf3 Qd8 28. e4 Bxd5 29. Rxd5 Qf6 30. Ne5 Qxf4 31. Rf1 Qe3 32. Nxf7 Ne6 33. Rd3 Qc5 34. Nd6 Qe5 35. Bb3 Rf8 36. Rxf8+ Rxf8 37. Nf5 Kh8 38. Bxe6 gxf5 39. gxf5 b4 40. Rd2 a5 41. Rd7 a4 42. Qxg7+ Qxg7 43. Rxg7 Kxg7 44. e5 Kh6 45. Kc2 Kg5 46. Bd7 Rd8 47. e6 Kf6 48. Bxa4 Rd4 49. Bd7 Rh4 50. Kb3 h5 51. a4 bxa3 52. bxa3 Rxh3+ 53. Kb4 Rh1 54. a4 h4 55. a5 Rb1+ 56. Ka4 Rc1 57. e7 |
| ECO A40 in 1965 play it! csom istvan defeats white's kluger gyula in 98 moves | 1. d4 e6 2. e4 b6 3. Nf3 Bb7 4. Bd3 c5 5. O-O cxd4 6. Nxd4 Nc6 7. Nxc6 Bxc6 8. Bf4 Nf6 9. Nd2 Be7 10. Qe2 O-O 11. c4 d6 12. Rad1 Nd7 13. Bc2 Qb8 14. Bg3 b5 15. f4 e5 16. Kh1 exf4 17. Bxf4 Ne5 18. Bxe5 dxe5 19. Bb3 a5 20. cxb5 Bxb5 21. Bc4 Bxc4 22. Nxc4 Bc5 23. Rd5 Bd4 24. h3 a4 25. Rf5 f6 26. Rf3 Qb4 27. a3 Qb7 28. Rg3 Rfc8 29. h4 Qc6 30. Ne3 Rc7 31. Kh2 Qc1 32. Rxd4 exd4 33. Nd5 Rf7 34. Qg4 Qc6 35. h5 Re8 36. Qf4 f5 37. h6 Rxe4 38. Qb8+ Re8 39. Rxg7+ Rxg7 40. Nf6+ Kf7 41. Qa7+ Kxf6 42. Qxg7+ Ke6 43. Qxh7 Qd7 44. Qg6+ Kd5 45. Qh5 Rh8 46. Kg1 Qe6 47. h7 Qd7 48. Qf3+ Ke5 49. Qg3+ Kf6 |
| ECO A40 in 1996 play it! csom istvan defeats white's deutsch ludwig in 62 moves | 1. d4 e6 2. Nf3 c5 3. e3 b6 4. a4 Nf6 5. Bd3 Bb7 6. O-O Be7 7. c3 O-O 8. Re1 cxd4 9. exd4 d6 10. Bg5 Nbd7 11. Nbd2 a6 12. Qe2 h6 13. Bxf6 Nxf6 14. Ne4 Nd5 15. Qd2 Qd7 16. Ng3 b5 17. axb5 axb5 18. Rxa8 Rxa8 19. Bb1 Bc6 20. Nh5 Qb7 21. Qc2 Nf6 22. Nh4 Kf8 23. Nxf6 Bxf6 24. Nf3 b4 25. Qd3 bxc3 26. bxc3 Ra3 27. Bc2 Qb2 28. Re3 Bb5 29. Qe4 d5 30. Qf4 Qxc2 31. Qb8+ Be8 |