| ECO A05 in 1988 play it! csom istvan defeats black's krasenkov mikhai in 65 moves | 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 a5 5. a3 Nbd7 6. e3 c6 7. d3 Be7 8. Be2 O-O 9. O-O b6 10. Nbd2 Bd6 11. Qc2 Bb7 12. Rfe1 c5 13. cxd5 exd5 14. Bc3 Re8 15. Nf1 b5 16. a4 b4 17. Bb2 Rc8 18. Rac1 Nb6 19. N3d2 Qe7 20. Qb1 Ba6 21. Qa1 Nbd7 22. Nf3 h6 23. h3 Qe6 24. N1d2 g6 25. Bf1 Bf8 26. Qb1 Bg7 27. Qa1 Nb6 28. Rc2 Re7 29. Rec1 Rec7 30. Ne5 Ne8 31. Nxg6 Bxb2 32. Qxb2 Kh7 33. Ne5 |
| ECO A04 in 1973 play it! csom istvan defeats black's ostojic predrag in 75 moves | 1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. g3 Nf6 5. Bg2 O-O 6. Nc3 c6 7. O-O Qa5 8. h3 Be6 9. d5 cxd5 10. Nd4 Bd7 11. cxd5 Rc8 12. Nb3 Qd8 13. e4 Be8 14. Be3 Nbd7 15. Bd4 Nb6 16. f4 Na4 17. e5 Nxc3 18. bxc3 dxe5 19. Bxe5 Bb5 20. Rf2 Ne8 21. Qe1 Nd6 22. Nd4 Bc4 23. Bxg7 Kxg7 24. f5 Kg8 25. Qe3 Ne8 26. fxg6 hxg6 27. Qg5 Ng7 28. Re1 Rc7 29. Rf4 e6 30. Qh6 Bxd5 31. Rh4 Nh5 32. Re5 Rxc3 33. Rhxh5 Qf6 34. Bxd5 Rxg3+ 35. Bg2 Rd8 36. Qh7+ Kf8 37. Nxe6+ fxe6 38. Qh8+ |
| ECO A05 in 1974 play it! csom istvan defeats black's perenyi bela in 81 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. Nc3 O-O 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. O-O Be6 10. Ne3 Rc8 11. Bd2 Qd7 12. Re1 Ng4 13. Ned5 Bd4 14. e3 Bg7 15. Qe2 Bf5 16. Rad1 Nge5 17. Bc1 e6 18. Nf4 g5 19. Nh3 Qe7 20. Nxg5 Bg4 21. f3 Qxg5 22. fxg4 Nxg4 23. Ne4 Qg6 24. Nxd6 Rc7 25. Nb5 Rcc8 26. Nd4 Nxd4 27. exd4 Rfd8 28. Bxb7 Rc7 29. Bf3 Bxd4+ 30. Kg2 h5 31. b3 Rcd7 32. h3 Nf6 33. Bf4 Qf5 34. Be4 Qc5 35. Rf1 a5 36. Rd3 Be5 37. Bxe5 Nxe4 38. Rxd7 Rxd7 39. Qxe4 Rd2+ 40. Kh1 f5 41. Qa8+ |
| ECO A05 in 1971 play it! csom istvan defeats black's planinec albin in 69 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. d3 h6 7. O-O Be7 8. Nbd2 O-O 9. e3 a5 10. a3 Nbd7 11. Qe2 Bh7 12. Rfd1 b5 13. e4 Qb6 14. Bd4 c5 15. Bb2 a4 16. Rab1 d4 17. b4 e5 18. c3 cxb4 19. cxb4 Rac8 20. Rbc1 Qe6 21. Qf1 Rxc1 22. Rxc1 Ne8 23. Bh3 f5 24. exf5 Bxf5 25. Bxf5 Qxf5 26. Qe2 Nef6 27. Nh4 Qh7 28. Rc6 g5 29. Nhf3 Nd5 30. Nxe5 Nc3 31. Bxc3 dxc3 32. Nxd7 cxd2 33. Nxf8 Bxf8 34. Qxd2 Qf7 35. Qe3 |
| ECO A05 in 1975 play it! csom istvan defeats black's farago ivan in 101 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. Qc2 Nbd7 7. O-O c6 8. b3 b5 9. c5 Ne4 10. Bb2 f5 11. Ne1 Bg5 12. Nd3 a5 13. a3 Qe8 14. e3 h5 15. f3 Nef6 16. Re1 h4 17. Nd2 hxg3 18. hxg3 Bb7 19. Nf1 Bh6 20. Nf2 a4 21. b4 Qh5 22. e4 fxe4 23. fxe4 Ng4 24. Nxg4 Qxg4 25. e5 Rf7 26. Qd3 Raf8 27. Nh2 Qh5 28. Re2 Re8 29. Bf3 Qg5 30. Bg4 Nf8 31. Kg2 Bc8 32. Rh1 Qg6 33. Qxg6 Nxg6 34. Bh5 Kh7 35. Bc3 Ref8 36. Nf3 Rc7 37. Rf2 Ne7 38. Ng5+ Kg8 39. Bf7+ Rxf7 40. Nxf7 Nf5 41. Rxf5 exf5 42. Nxh6+ Kf8 43. Rh5 gxh6 44. Rxh6 Kg7 45. Bd2 Bd7 46. Bg5 Be8 47. e6 Kg8 48. Kf3 Rh7 49. Rxh7 Kxh7 50. Kf4 Kg6 51. Be7 |
| ECO A04 in 1993 play it! csom istvan defeats black's afek yochanan in 49 moves | 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c3 e5 5. d3 Bg7 6. a3 Nge7 7. h4 h6 8. b4 d6 9. e4 O-O 10. Be3 cxb4 11. axb4 f5 12. Qd2 f4 13. gxf4 exf4 14. Bxf4 Nxb4 15. Be3 Kh7 16. Ng5+ hxg5 17. hxg5+ Kg8 18. cxb4 Bxa1 19. Qa2+ Rf7 20. Qxa1 Rh7 21. Rxh7 Kxh7 22. Qf6 Nc6 23. Qf7+ Kh8 24. Qxg6 Qe7 25. Bd2 |
| ECO A05 in 1980 play it! csom istvan defeats black's hess ralf in 83 moves | 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Be7 5. cxd5 exd5 6. e3 O-O 7. Be2 Bf5 8. O-O Re8 9. d3 h6 10. Nbd2 a5 11. a3 c6 12. Qc2 Bd6 13. Bc3 Nbd7 14. Qb2 Nc5 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. d4 Ne6 18. Nh4 Bg6 19. Bg4 Bd3 20. Rfc1 Ng7 21. g3 Ra6 22. Rc3 Bh7 23. f4 Be4 24. Nxe4 Rxe4 25. Kf2 h5 26. Bf5 Nxf5 27. Nxf5 Bf8 28. Kf3 Kh7 29. h3 Re8 30. g4 hxg4+ 31. hxg4 Rb6 32. Rh1+ Kg8 33. Rc2 Rxb3 34. Rch2 Bg7 35. Rh7 Rexe3+ 36. Nxe3 f5 37. Ke2 Rb2+ 38. Kd3 Rb3+ 39. Kd2 fxg4 40. Nf5 Bf6 41. R7h6 Bg7 42. R6h4 |
| ECO A04 in 1974 play it! csom istvan defeats black's hartoch robert in 77 moves | 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. e4 Qa5+ 5. Bd2 Qb6 6. Bc3 Nf6 7. d5 O-O 8. Nbd2 d6 9. Be2 e5 10. O-O Nh5 11. g3 Bh6 12. Ne1 Ng7 13. f4 Bh3 14. Rf2 f5 15. Nd3 Nd7 16. Bf1 Bg4 17. Qb3 exf4 18. Nxf4 Bxf4 19. gxf4 Qc7 20. h3 Bh5 21. Bxg7 Kxg7 22. Qc3+ Kg8 23. exf5 gxf5 24. Rg2+ Bg6 25. Bd3 Rae8 26. h4 Nf6 27. Bxf5 Nh5 28. Be6+ Rxe6 29. dxe6 Nxf4 30. Rf2 Nxe6 31. Rxf8+ Nxf8 32. Re1 d5 33. Qe5 Qc8 34. Qxd5+ Kh8 35. Qe5+ Kg8 36. Qg5 Qh3 37. Re3 Qc8 38. h5 h6 39. Qg2 |
| ECO A05 in 1976 play it! csom istvan defeats black's van seters frits in 129 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O a6 7. Nc3 Nc6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 bxc4 13. bxc4 Qc7 14. Nd1 e5 15. Bc3 Bd7 16. f4 exf4 17. gxf4 Nh5 18. Bxg7 Nxg7 19. Qc3 f5 20. Nf2 Nb7 21. Rab1 Nh5 22. e3 Rbe8 23. Rb3 Bc8 24. Bf3 Nf6 25. Rfb1 Qe7 26. Kh1 Nd8 27. Rg1 Qg7 28. Nf1 Re7 29. Ng3 Rfe8 30. Qd2 Qf8 31. Bd1 Rg7 32. Bc2 Qe7 33. Qc3 Rf8 34. Rbb1 Ng4 35. Nxg4 fxg4 36. Rbf1 Rgf7 37. Rf2 Rf6 38. Rgf1 Nf7 39. Kg1 Nh6 40. e4 R6f7 41. e5 Bf5 42. Bb3 Rb8 43. Re1 Rff8 44. Ree2 Rb4 45. Rb2 Rfb8 46. a3 R4b6 47. Ba4 Qd8 48. Rxb6 Qxb6 49. e6 Qd8 50. Re2 Qe7 51. Kg2 Rb1 52. Rb2 Qh4 53. Rxb1 Bxb1 54. Qb3 Nf5 55. e7 Qxe7 56. Qb8+ Kf7 57. Qxb1 Ne3+ 58. Kf2 Nxc4 59. Qc1 Nb6 60. Bc2 Qf6 61. Ne2 Kg7 62. Be4 Nd7 63. Qc3 Qxc3 64. Nxc3 Kf7 65. Kg3 |
| ECO A06 in 1973 play it! csom istvan defeats black's horvath in 111 moves | 1. Nf3 d5 2. b3 Nf6 3. Bb2 c6 4. g3 Bf5 5. Bg2 e6 6. O-O Nbd7 7. d3 h6 8. Nbd2 Bc5 9. e4 dxe4 10. dxe4 Bh7 11. Qe2 O-O 12. Rad1 Qc7 13. e5 Nd5 14. Ne4 Bb4 15. c4 Bxe4 16. Qxe4 N5b6 17. Nd4 a5 18. a3 Be7 19. f4 Bc5 20. Kh1 Rfe8 21. Ne2 Nf8 22. Qc2 Qe7 23. Qc1 Red8 24. Nc3 a4 25. Rxd8 Rxd8 26. b4 Bd4 27. c5 Bxc3 28. Qxc3 Nd5 29. Qc1 Rd7 30. Rd1 Qd8 31. Be4 Qa8 32. Kg2 Qa6 33. Kf3 Ng6 34. Qc2 Nf8 35. Rd3 Ng6 36. Bc1 Nge7 37. Rd1 Qa8 38. g4 f6 39. exf6 Nxf6 40. Rxd7 Nxd7 41. Bb2 Nd5 42. Bh7+ Kh8 43. Bg6 Nf8 44. Bd3 Nd7 45. Qe2 Qb8 46. Qe4 N7f6 47. Qd4 Qf8 48. h4 Nd7 49. Qe4 Qg8 50. g5 hxg5 51. hxg5 Ne7 52. Kg4 Nf5 53. Qh1+ Qh7 54. Qxh7+ Kxh7 55. Bxf5+ exf5+ 56. Kxf5 |
| ECO A04 in 1972 play it! csom istvan defeats black's hradeczky tamas in 47 moves | 1. Nf3 g6 2. d4 Bg7 3. g3 Nf6 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. Nbd2 dxc4 8. Nxc4 Be6 9. b3 Ne4 10. Bb2 Nd7 11. Qc2 Nd6 12. e4 Bxc4 13. bxc4 b5 14. c5 Nc4 15. e5 Nxb2 16. Qxb2 Qc7 17. a4 Rab8 18. axb5 Rxb5 19. Qa2 a5 20. Rfb1 Rxb1+ 21. Rxb1 e6 22. Nd2 Rd8 23. Nc4 Nb8 24. Qxa5 |
| ECO A05 in 2003 play it! csom istvan defeats black's sikula vaszilij in 61 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nc6 7. O-O e5 8. h3 Nd7 9. Bg5 f6 10. Be3 f5 11. dxe5 Ndxe5 12. Qd2 Nxf3+ 13. exf3 Be6 14. b3 Qd7 15. f4 Rae8 16. Rac1 Kh8 17. Rfd1 Rd8 18. Bf3 Rfe8 19. Qd3 b6 20. Nd5 Nb8 21. Bd4 c6 22. Nf6 Qf7 23. Nxe8 Qxe8 24. Rc2 Qf7 25. Rcd2 Kg8 26. Bxg7 Qxg7 27. Qe3 Qe7 28. Re2 Kf7 29. Bd5 Re8 30. Bxe6+ Qxe6 31. Rxd6 |
| ECO A04 in 1974 play it! csom istvan defeats black's planinc albin in 85 moves | 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. e4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 O-O 11. Bd3 b6 12. O-O Bb7 13. b4 a5 14. a3 axb4 15. axb4 Ra3 16. Nb5 Ra2 17. Nc3 Ra3 18. Qd2 f5 19. Nd5 Bxd5 20. exd5 f4 21. dxe6 fxe3 22. Qxe3 Rf6 23. exd7 Rd6 24. c5 Rdxd3 25. c6 Rdc3 26. Rfd1 Rxc1 27. Qxc1 Rc3 28. Qxc3 Bxc3 29. c7 Qxc7 30. d8=Q+ Qxd8 31. Rxd8+ Kf7 32. b5 g5 33. Kf1 Kf6 34. Ke2 Bb4 35. h4 gxh4 36. Rd4 Bc5 37. Rxh4 Kg6 38. g4 h6 39. Rh5 Bd6 40. Kd3 Bf4 41. Ke4 Bd6 42. Kd5 Bc5 43. f4 |
| ECO A07 in 1986 play it! csom istvan defeats black's balashov yuri s in 101 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Rb1 cxd4 12. cxd4 Nb6 13. d5 Bd7 14. Be3 Ba4 15. Qd2 Qd6 16. Bxb6 axb6 17. Nc4 Qc5 18. Nxb6 Bc2 19. Nxa8 Bxb1 20. Rxb1 Rxa8 21. Rxb7 Bc3 22. Qc2 Ra3 23. Bf3 Bd4 24. Qxc5 Bxc5 25. Rc7 Bd6 26. Rc2 Kg7 27. e3 Ra5 28. Kf1 h5 29. h4 f5 30. Kg2 Kf6 31. Kh3 Ke5 32. Kg2 Ra3 33. Re2 Kf6 34. e4 fxe4 35. Bxe4 Kf7 36. Bc2 Rc3 37. f4 Bc5 38. Kh2 Bd4 39. Kg2 Bc5 40. Bb3 Bd6 41. Rc2 Rd3 42. Bc4 Ra3 43. Bb3 Kg7 44. Kf3 Ra8 45. Rc4 Kf6 46. Re4 Rc8 47. Bc4 Ra8 48. Re6+ Kf7 49. Ke2 Ra4 50. Bb3 Ra5 51. Kd3 |
| ECO A04 in 1972 play it! csom istvan defeats black's deze anton in 65 moves | 1. Nf3 c5 2. b3 Nc6 3. Bb2 d6 4. g3 e5 5. Bg2 Nge7 6. O-O g6 7. e3 Bg7 8. c4 O-O 9. Nc3 h6 10. Ne1 Rb8 11. Nc2 Be6 12. Nd5 Qd7 13. Rb1 Bg4 14. f3 Bf5 15. d3 Nxd5 16. cxd5 Ne7 17. g4 Nxd5 18. gxf5 gxf5 19. f4 Ne7 20. d4 cxd4 21. exd4 e4 22. Ne3 Rbc8 23. Bh3 Qb5 24. Kh1 Rfe8 25. Rg1 d5 26. Bxf5 Rc7 27. a4 Qa6 28. Qg4 Qf6 29. Bxe4 Kh8 30. Bd3 Ng6 31. Nxd5 Qc6 32. Qg2 Rd7 33. Bb5 |
| ECO A04 in 1972 play it! csom istvan defeats black's nn in 107 moves | 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e5 6. O-O Nge7 7. d3 d6 8. Rb1 O-O 9. Bd2 h6 10. a3 a5 11. Qa4 Be6 12. Rfc1 f5 13. Ne1 f4 14. Nc2 Rf7 15. Qb5 Bd7 16. Qb3 Kh7 17. Ne4 a4 18. Qa2 Be6 19. b4 b6 20. b5 d5 21. bxc6 dxe4 22. Bxe4 Rb8 23. Ne1 Qd6 24. Qc2 Nxc6 25. Bc3 Bf5 26. Bd5 Ra7 27. Nf3 Ne7 28. Be4 Bxe4 29. dxe4 fxg3 30. hxg3 Nc6 31. Kg2 Qf6 32. Rd1 Nd4 33. Nxd4 cxd4 34. Bd2 Qc6 35. Qd3 Rc7 36. Rdc1 Rf7 37. Rb5 Rc8 38. c5 Qf6 39. f3 bxc5 40. Rcxc5 Rxc5 41. Rxc5 Ra7 42. Qb5 Qa6 43. Qxa6 Rxa6 44. Bb4 g5 45. Rd5 Ra7 46. g4 Kg6 47. Kf2 Kf7 48. Ke1 Bf6 49. Kd2 Kg6 50. Rd6 Rf7 51. Re6 Ra7 52. Rc6 Rf7 53. Bd6 Rb7 54. Bxe5 |
| ECO A05 in 1981 play it! csom istvan defeats black's hoi carsten in 61 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. Be3 Nd7 10. Bxc6 bxc6 11. Qa4 Qb8 12. Qxc6 Qxb2 13. Rc1 Nb6 14. O-O e6 15. Rfd1 Rac8 16. Qb5 Qa3 17. c5 c6 18. Qd3 dxc5 19. dxc5 Na4 20. Nxa4 Qxa4 21. Qc4 Qa5 22. Rd6 Be5 23. Rd7 Rcd8 24. Rcd1 h5 25. Kg2 Rb8 26. Qe4 Bg7 27. Qxc6 Qxa2 28. Qf3 a5 29. c6 a4 30. c7 Rbc8 31. Bc5 |
| ECO A07 in 2001 play it! csom istvan defeats black's hiermann dietmar in 106 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. Nbd2 c6 7. b3 Nbd7 8. Bb2 b6 9. Ne1 Bb7 10. Nd3 Rc8 11. c4 e6 12. Rc1 Qe7 13. Rc2 Rfd8 14. Qa1 h5 15. Re1 Bh6 16. e3 Qd6 17. e4 Qb8 18. e5 Ne8 19. Ba3 Ng7 20. Bd6 Qa8 21. c5 Nf5 22. Nf3 Ba6 23. Nb4 Bb7 24. Nd3 Ba6 25. Qc3 Bxd3 26. Qxd3 Nxd6 27. exd6 bxc5 28. dxc5 Bg7 29. Bh3 Re8 30. Ng5 Qb7 31. Ree2 Rcd8 32. f4 Qb4 33. Qa6 Nxc5 34. Qxc6 Qd4+ 35. Kg2 Ne4 36. Nxe4 dxe4 37. Rcd2 Qa1 38. d7 Rf8 39. Qxe4 Bc3 40. Rd3 Ba5 41. Qe5 Qb1 42. Qe4 Qa1 43. Qd4 Qc1 44. Bxe6 Bb6 45. Qe4 Qg1+ 46. Kh3 Qf1+ 47. Rg2 fxe6 48. Qxg6+ Kh8 49. Qh6+ Kg8 50. Qxe6+ Rf7 51. Rd5 Qf3 52. Rg5+ Kf8 53. Qd6+ Re7 |
| ECO A04 in 1975 play it! csom istvan defeats black's schmidt wlodzimi in 73 moves | 1. Nf3 g6 2. g3 Bg7 3. c4 Nf6 4. Bg2 O-O 5. d4 d5 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 Nc6 10. Nac4 Nd5 11. Bb2 Be6 12. Rc1 Re8 13. Nxc6 bxc6 14. Ba3 Nb6 15. Na5 Bd5 16. Nb7 Qc7 17. Nxc5 Bxa2 18. Re1 Rad8 19. Ra1 Bc4 20. Bb4 e5 21. e3 Bd5 22. Ra6 Bc4 23. Ra1 Bd5 24. Qc2 Ra8 25. Reb1 Reb8 26. Ba5 f5 27. Qb2 f4 28. exf4 exd4 29. Bxd5+ cxd5 30. cxd4 Qf7 31. Bxb6 axb6 32. Nd3 Rxa1 33. Rxa1 Qf5 34. Ne5 g5 35. Qb5 Rd8 36. Qxb6 Rc8 37. Qb7 |
| ECO A04 in 1987 play it! csom istvan defeats black's marin mihail in 65 moves | 1. Nf3 d6 2. c4 g6 3. g3 Bg7 4. d4 Nf6 5. Bg2 O-O 6. Nc3 Nbd7 7. O-O e5 8. b3 Re8 9. h3 c6 10. e4 a6 11. Re1 b5 12. cxb5 axb5 13. dxe5 dxe5 14. Qc2 Nf8 15. Be3 N6d7 16. b4 Ne6 17. Red1 Qe7 18. Rab1 Rb8 19. a4 bxa4 20. Qxa4 Bb7 21. Qa7 Nd8 22. Rxd7 Qxd7 23. Qxb8 Ne6 24. Nxe5 Qe7 25. Nxc6 Bxc6 26. Qb6 Bxc3 27. Qxc6 Nd4 28. Qc4 Qd7 29. Rd1 Rd8 30. Kh2 Bb2 31. Rd2 Ba1 32. b5 Qa7 33. Ra2 |
