| ECO A04 in 1974 play it! csom istvan defeats black's spassov liuben d in 83 moves | 1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nc3 e6 6. O-O Nge7 7. d3 O-O 8. a3 b6 9. Rb1 Bb7 10. Bd2 d5 11. cxd5 Nxd5 12. Qa4 Nd4 13. Nxd4 Bxd4 14. Rfc1 Bg7 15. h4 h6 16. Rc2 Re8 17. b4 Bxc3 18. Bxc3 Nxc3 19. Rxc3 Bxg2 20. Kxg2 cxb4 21. Rxb4 Qd5+ 22. e4 Qb7 23. Rbc4 b5 24. Qb3 Re7 25. Rb4 a6 26. a4 Rc7 27. Rxc7 Qxc7 28. axb5 axb5 29. Rxb5 h5 30. Rb7 Qd6 31. Rxf7 Rb8 32. Rd7 Qxg3+ 33. Kxg3 Rxb3 34. Kf4 Rb5 35. Re7 Rb2 36. Kg5 Rxf2 37. Kxg6 Rg2+ 38. Kxh5 Rg3 39. d4 Rd3 40. Kg6 Kf8 41. Rxe6 Rxd4 42. h5 |
| ECO A07 in 1975 play it! csom istvan defeats black's urzica aurel in 81 moves | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d4 e6 6. b3 Bd6 7. Bb2 Ne7 8. Nbd2 O-O 9. c4 f5 10. e3 Qe8 11. Qc1 Rd8 12. Ba3 Nc8 13. Bxd6 Nxd6 14. Qa3 Qe7 15. Ne5 Nxe5 16. dxe5 Nc8 17. Qb2 Nb6 18. Rfc1 dxc4 19. Nxc4 Nxc4 20. Rxc4 Rd3 21. h3 Bd1 22. Rd4 Rd8 23. Rxd8+ Qxd8 24. Qa3 a6 25. Qb4 Qd7 26. Rc1 Be2 27. Rc2 Rd1+ 28. Kh2 Bh5 29. g4 fxg4 30. hxg4 Bg6 31. Rc4 Qd2 32. Qxb7 Qxf2 33. Qc8+ Qf8 34. Qxc6 h6 35. Rf4 Qe7 36. Kg3 a5 37. Qa8+ Kh7 38. Rf8 Bd3 39. Be4+ Bxe4 40. Qxe4+ g6 41. Rf6 |
| ECO A04 in 1999 play it! csom istvan defeats black's ni hua in 79 moves | 1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 a6 8. Nbd2 O-O 9. e4 d5 10. Re1 d4 11. c4 b5 12. Qc2 Qd6 13. Nb3 b4 14. Nh4 bxa3 15. Rxa3 a5 16. Qd1 Bd7 17. f4 f6 18. Rf1 a4 19. Nd2 Bh6 20. Nb1 Kg7 21. Rxa4 Rxa4 22. Qxa4 g5 23. fxg5 fxg5 24. Rxf8 Kxf8 25. Nf5 Nxf5 26. exf5 g4 27. Bd2 Ne7 28. Qa8+ Kg7 29. Be4 Nxf5 30. Qd8 Ne3 31. Ba5 Qe6 32. Bc7 Bc6 33. Nd2 Kf7 34. Bd6 Bxe4 35. Nxe4 Qf5 36. Qe7+ Kg6 37. Qe8+ Kg7 38. Qe7+ Kg6 39. Qe8+ Kg7 40. Qe7+ |
| ECO A04 in 1973 play it! csom istvan defeats black's sax gyula in 82 moves | 1. Nf3 g6 2. g3 Bg7 3. d4 f5 4. Bg2 Nf6 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Ng5 Bc8 12. Bf4 Nh5 13. Rad1 Nxf4 14. gxf4 h6 15. Nf3 Rf6 16. Rd2 Be6 17. Rfd1 Bf8 18. e3 Nc5 19. Qd4 Nd7 20. b3 Qe7 21. Ne2 Bf7 22. Ng3 Bg7 23. Qb2 Nb6 24. Qa3 Bf8 25. Qc1 d5 26. Ne5 Be6 27. Ne2 Kh7 28. cxd5 cxd5 29. Nc3 Rc8 30. Qb2 g5 31. Nxd5 Bxd5 32. Bxd5 Bg7 33. Bf3 gxf4 34. exf4 Qb4 35. Rd4 Qc3 36. Qe2 Re8 37. Bxb7 Re7 38. Bg2 Qc7 39. Qh5 Qc2 40. R4d2 Qc3 41. Rd6 Rxe5 |
| ECO A04 in 1984 play it! csom istvan defeats black's djuric stefan in 91 moves | 1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 d6 7. Bg2 Be6 8. Ne3 Qd7 9. Nd2 Nf6 10. O-O O-O 11. Nd5 Bh3 12. Nf3 Rfc8 13. Bxh3 Qxh3 14. Bg5 Nxd5 15. cxd5 Ne5 16. Nxe5 Bxe5 17. Qd2 Rc4 18. Rac1 Rd4 19. Qe3 Rxd5 20. Qb3 Rd4 21. Qxb7 Re8 22. b3 d5 23. Qb5 Kf8 24. Rfd1 h6 25. Rxd4 Bxd4 26. Bd2 Rd8 27. Be1 Qe6 28. Qd3 Bb6 29. a4 a5 30. Qb5 Rd6 31. b4 h5 32. bxa5 Ba7 33. Qd3 h4 34. Rc7 Bb8 35. Rb7 Rd8 36. a6 Be5 37. a7 Qc6 38. Qb5 Qc1 39. Qb1 Qxb1 40. Rxb1 h3 41. f4 Bd6 42. Bb4 Ra8 43. Bxd6 Rxa7 44. Bc5 Rxa4 45. Kf2 f6 46. Rb7 |
| ECO A05 in 1981 play it! csom istvan defeats black's krnic zdenko in 69 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 c6 6. O-O d6 7. Nc3 a6 8. e4 b5 9. e5 Ne8 10. Qe2 bxc4 11. Qxc4 Be6 12. Qe2 h6 13. h4 Nd7 14. Bf4 Nb6 15. Qe3 Kh7 16. h5 Nc7 17. Ne4 Nbd5 18. Qc1 Nxf4 19. Qxf4 Bd5 20. Rfe1 Ne6 21. Qd2 g5 22. Rad1 Kh8 23. Nc3 g4 24. Nh2 dxe5 25. Nxd5 Nxd4 26. Nxe7 Qxe7 27. Qxd4 f5 28. Bxc6 Rac8 29. Qd6 Qg5 30. Ba4 Qxh5 31. Rxe5 Bxe5 32. Qxe5+ Kh7 33. Nxg4 Qf7 34. Rd7 fxg4 35. Qf5+ |
| ECO A04 in 1981 play it! csom istvan defeats black's portisch lajos in 26 moves | 1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. d4 Nb6 7. e3 Bg4 8. Nc3 cxd4 9. exd4 g6 10. Be3 Bg7 11. O-O O-O 12. a3 Bxf3 13. Qxf3 Nc4 |
| ECO A06 in 1976 play it! csom istvan defeats black's franke klaus in 59 moves | 1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. d3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Ne5 Qd6 11. f4 e6 12. Qf3 h5 13. Nc3 c4 14. Nxg6 hxg4 15. hxg4 Rxh1+ 16. Qxh1 fxg6 17. g5 Ng4 18. Qf3 Nxe3 19. Qxe3 d4 20. Qe4 dxc3 21. Bxc3 cxd3 22. O-O-O Kf7 23. Rxd3 Qc7 24. Be5 Qb7 25. Kb2 Rc8 26. Qd4 Ke8 27. Rd1 Ra8 28. Qd3 Qf7 29. Qc4 c5 30. Qa4+ |
| ECO A05 in 2001 play it! csom istvan defeats black's kock hansuwe in 84 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d4 c6 6. Nc3 O-O 7. O-O Nbd7 8. h3 e5 9. e4 Qe7 10. Re1 Ne8 11. Kh2 f5 12. exf5 gxf5 13. Bf4 e4 14. Nh4 Nb6 15. Bf1 Qf6 16. d5 Nd7 17. f3 Nc5 18. Rc1 cxd5 19. cxd5 Bh6 20. Ng2 Bxf4 21. Nxf4 exf3 22. Qxf3 Ne4 23. Re2 Ng5 24. Qf2 Ng7 25. Bg2 Bd7 26. Rce1 Rfe8 27. Rxe8+ Bxe8 28. Qe3 Kf8 29. Ne6+ N5xe6 30. dxe6 Bc6 31. Qf4 Ke7 32. Qb4 Re8 33. Bxc6 bxc6 34. Qb7+ Kf8 35. Qxc6 Qd4 36. Qf3 Kg8 37. e7 Kh8 38. Re2 Qf6 39. Nd5 Qf7 40. Nc7 Rxe7 41. Rxe7 Qxe7 42. Qa8+ Ne8 |
| ECO A05 in 2001 play it! csom istvan defeats black's szieberth adam in 73 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. Nc3 Be6 10. Ne3 Rc8 11. Bd2 Qd7 12. Re1 Nd4 13. Ncd5 Nxd5 14. cxd5 Bh3 15. Bc3 Bxg2 16. Bxd4 Bh3 17. Bxg7 Kxg7 18. Qd4+ Kg8 19. Qxa7 Rc5 20. Qb6 e5 21. dxe6 Qxe6 22. Rad1 Qxa2 23. Rxd6 Rc6 24. Rxc6 bxc6 25. f3 Qe6 26. Rc1 Rc8 27. Qd4 Qe7 28. Kf2 Be6 29. Rc5 Rd8 30. Qc3 f5 31. Rxc6 f4 32. Ng2 Qa7+ 33. Rc5 Rd5 34. b4 fxg3+ 35. hxg3 Rd1 36. Ne3 Rh1 37. Qe5 |
| ECO A05 in 1976 play it! csom istvan defeats black's petran p in 57 moves | 1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. Bb2 Bb7 5. e3 Be7 6. d4 O-O 7. Bd3 d5 8. O-O Nbd7 9. Nc3 c5 10. Qe2 a6 11. cxd5 exd5 12. Rfd1 b5 13. dxc5 Nxc5 14. Rac1 Qa5 15. Nd4 b4 16. Nf5 Bd8 17. Na4 Nxd3 18. Qxd3 Qb5 19. Nd6 Qd7 20. Nxb7 Qxb7 21. Bxf6 Bxf6 22. Qxd5 Qb5 23. Rc5 Qe2 24. Qd2 Qg4 25. h3 Qe6 26. Rd5 a5 27. Qd3 Rfe8 28. Rd6 Qe5 29. Nb6 |
| ECO A04 in 1983 play it! csom istvan defeats black's mokry karel in 121 moves | 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. b3 Be7 7. Bb2 O-O 8. e3 d6 9. Qe2 Nbd7 10. Nc3 a6 11. e4 Qc7 12. Ne1 Ne5 13. Nc2 Nc6 14. Nd1 Nd7 15. Nde3 Bf6 16. Bxf6 Nxf6 17. f4 b5 18. d3 Nd4 19. Nxd4 cxd4 20. e5 Bxg2 21. Nxg2 Nd7 22. exd6 Qxd6 23. Ne1 e5 24. fxe5 Nxe5 25. Rf4 Rfe8 26. Qf1 bxc4 27. bxc4 Rab8 28. Qf2 Qa3 29. Rd1 Rb2 30. Rd2 Rb1 31. Re4 f6 32. Kg2 Rd8 33. Nf3 Nxf3 34. Qxf3 Rb2 35. Rxb2 Qxb2+ 36. Re2 Qa3 37. Qe4 h6 38. Qe6+ Kh7 39. Qf5+ Kg8 40. Kf2 Qd6 41. Qe6+ Kf8 42. Qxd6+ Rxd6 43. g4 Kf7 44. Kf3 Rd8 45. h4 g5 46. hxg5 hxg5 47. c5 Kg6 48. c6 Rc8 49. Rc2 f5 50. gxf5+ Kxf5 51. c7 Ke6 52. Kg4 Kd7 53. Rc4 Rxc7 54. Rxc7+ Kxc7 55. Kxg5 Kc6 56. Kf5 Kd5 57. a3 a5 58. Kf4 Kc5 59. Ke5 Kb5 60. Kxd4 Ka4 61. Kc3 |
| ECO A06 in 1992 play it! csom istvan defeats black's jakobetz laszlo in 63 moves | 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. c4 Be7 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8. e3 b6 9. Nc3 Bb7 10. cxd5 Nxd5 11. Nxd5 exd5 12. d4 Ba6 13. Re1 c4 14. Bc3 Rc8 15. Qd2 Qd6 16. Ne5 cxb3 17. axb3 Bb5 18. Nxc6 Rxc6 19. Rxa7 Rfc8 20. Rc1 Qd8 21. Bh3 R8c7 22. Raa1 h5 23. Bb2 h4 24. Rxc6 Rxc6 25. Rc1 Rxc1+ 26. Qxc1 Bd7 27. Bg2 Be6 28. Qc6 h3 29. Bf1 Bf8 30. Bc3 Qf6 31. Qxb6 g6 32. Bxh3 |
| ECO A05 in 1987 play it! csom istvan defeats black's mithrakanth p in 75 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 Nxd5 9. Na3 c5 10. Nc4 Bb7 11. Qb1 b5 12. Nce5 Nxe5 13. Nxe5 f6 14. Nf3 Nb4 15. Ng5 fxg5 16. Bxb7 Rb8 17. Be4 h6 18. Be5 Bf6 19. Bxb8 Qxb8 20. a3 Bxa1 21. axb4 Be5 22. bxc5 a5 23. Qa2 Bd4 24. e3 Bxc5 25. Qxa5 Bd6 26. Rc1 h5 27. Qa6 h4 28. Kg2 g4 29. Qc6 Qd8 30. Qxb5 Qf6 31. Qe2 Qg5 32. Qc4 Qh6 33. Kg1 Qf6 34. Rf1 Rb8 35. Bd3 Rb4 36. Qc6 Qe7 37. Bc4 Kf7 38. Qe4 |
| ECO A05 in 1972 play it! csom istvan defeats black's pribyl joseph in 53 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 Nbd7 10. Nxd7 Nxd7 11. Rb1 Nb6 12. dxc5 Qxd1 13. Rxd1 Na4 14. Bxb7 Bxb7 15. Rxb7 Nxc3 16. Rd2 Rfc8 17. Nb5 Rxc5 18. Nxc3 Bxc3 19. Rdd7 Bf6 20. Ba3 Rc2 21. Bxe7 Bxe7 22. Rxe7 Rf8 23. Rxa7 h5 24. h4 Kg7 25. Kg2 Kf6 26. a4 Ra2 27. e4 |
| ECO A04 in 1973 play it! csom istvan defeats black's ivkov borislav in 67 moves | 1. Nf3 e6 2. g3 c5 3. Bg2 Nc6 4. O-O d5 5. d3 Nf6 6. Nbd2 g6 7. e4 Bg7 8. exd5 Nxd5 9. Nb3 b6 10. c4 Nde7 11. d4 cxd4 12. Nfxd4 Bd7 13. Bg5 f6 14. Be3 O-O 15. Qe2 e5 16. Nb5 Nf5 17. Rad1 Qe7 18. Rd2 Rac8 19. Rfd1 Be8 20. Be4 Nxe3 21. Qxe3 f5 22. Nd6 Rc7 23. Nxe8 Qxe8 24. Bd5+ Kh8 25. c5 bxc5 26. Qxc5 Rc8 27. Rc1 Nd4 28. Qxa7 Nxb3 29. Rxc8 Qxc8 30. Bxb3 Qc1+ 31. Rd1 Qxb2 32. Qe7 e4 33. Rd8 Qa3 34. Qxa3 |
| ECO A05 in 1976 play it! csom istvan defeats black's heilemann manfre in 51 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 c6 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 Nxe5 10. dxe5 Ng4 11. Nxd5 Nxe5 12. Bg5 f6 13. Bf4 Be6 14. Qb3 Kh8 15. Rfd1 Qc8 16. Bxe5 fxe5 17. Rac1 Bxd5 18. Qxd5 Qf5 19. Bf3 Rac8 20. Rxc8 Qxc8 21. Qxb7 Qc2 22. Rd7 Qb1+ 23. Kg2 e4 24. Qxe4 Qxa2 25. Qxe7 Qxb2 26. Rd8 |
| ECO A04 in 1977 play it! csom istvan defeats black's miles anthony j in 111 moves | 1. Nf3 b6 2. g3 Bb7 3. Bg2 Nf6 4. c4 e6 5. O-O d5 6. b3 Be7 7. Bb2 O-O 8. e3 c5 9. Nc3 Nc6 10. cxd5 exd5 11. d4 Qd7 12. Rc1 Rac8 13. Ne5 Qe6 14. Ne2 Rfd8 15. Nf4 Qd6 16. Re1 Nb8 17. Nh5 Rf8 18. dxc5 bxc5 19. Nc4 Qa6 20. Bxf6 Bxf6 21. Bxd5 Bxd5 22. Qxd5 Rfd8 23. Qf3 Be7 24. Rc2 Nc6 25. Rd1 Rxd1+ 26. Qxd1 Rd8 27. Rd2 Qxa2 28. Rxd8+ Nxd8 29. Qd7 Qb1+ 30. Kg2 Qe4+ 31. f3 Qc2+ 32. Kh3 Ne6 33. Qxe7 Qf5+ 34. Kg2 Qxh5 35. Qxa7 h6 36. Qa8+ Kh7 37. Qe4+ Kg8 38. Ne5 Qg5 39. Qa8+ Kh7 40. Qe4+ Kg8 41. Nc6 Qf6 42. Qe5 Nf4+ 43. Qxf4 Qxc6 44. Qe4 Qd7 45. Qc2 Qd6 46. e4 h5 47. Qe2 Qd4 48. f4 g6 49. Kh3 Qd7+ 50. f5 gxf5 51. Qxh5 fxe4+ 52. Qg4+ Qxg4+ 53. Kxg4 f5+ 54. Kf4 Kf7 55. g4 fxg4 56. Kxg4 |
| ECO A04 in 1978 play it! csom istvan defeats black's stean michael in 95 moves | 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bb5+ N8c6 7. d4 cxd4 8. a3 dxc3 9. Qxd8+ Kxd8 10. axb4 g6 11. bxc3 Bg7 12. Ra3 Bd7 13. O-O Rc8 14. Rd1 Ke8 15. Rxa7 Nxa7 16. Bxd7+ Kd8 17. Be3 Kc7 18. Bf4+ Kb6 19. Bxc8 Nxc8 20. c4 Bc3 21. Be5 Bxe5 22. Nxe5 f6 23. Ng4 Kc6 24. e5 Nb6 25. exf6 exf6 26. Ne3 Ra8 27. g3 Ra2 28. c5 Nc8 29. Rd8 Ne7 30. Rd6+ Kc7 31. Rxf6 Rb2 32. Kg2 Nc6 33. Rf7+ Kb8 34. Nd5 Nxb4 35. Nb6 Ka7 36. Nc4 Rc2 37. Nd6 Ka6 38. Nxb7 Nd3 39. Nd6 g5 40. h3 h5 41. Ne4 g4 42. hxg4 hxg4 43. Rg7 Ne1+ 44. Kh1 Nd3 45. Rxg4 Nxc5 46. Nxc5+ Rxc5 47. Rf4 Rc2 48. Rf5 |
| ECO A05 in 1986 play it! csom istvan defeats black's kindermann stefa in 71 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Ng5 Bxg2 11. Kxg2 Nc6 12. Qf4 O-O 13. Nge4 Nxe4 14. Nxe4 Ra7 15. b3 Rd7 16. Bb2 d5 17. cxd5 Rxd5 18. Nc3 Rxd1 19. Rxd1 Qc8 20. Ne4 f6 21. Qe3 Qc7 22. Rc1 Rc8 23. Nxf6+ gxf6 24. Qxe6+ Kg7 25. Rc4 h5 26. Qf5 Qd8 27. Qg5+ Kf8 28. Qxh5 Qd7 29. Rg4 Qe8 30. Qh8+ Kf7 31. Rg7+ Ke6 32. Qh3+ f5 33. e4 Qf8 34. exf5+ Kd5 35. Qg4 Ne5 36. Qd4+ |