| ECO C00 in 1982 play it! mariotti sergio defeats black's robson in 71 moves | 1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 f6 9. exf6 Nxf6 10. O-O O-O 11. Qd2 Bd6 12. Bxd6 Qxd6 13. Rae1 e5 14. Bc4 Be6 15. Ng5 Rad8 16. Nxe6 Qxe6 17. Bb3 Na5 18. Qg5 Rfe8 19. Ba4 Re7 20. Re2 a6 21. Rfe1 e4 22. b4 h6 23. Qh4 Nc6 24. Bb3 Nd4 25. Rxe4 Nxe4 26. Rxe4 Nf3+ 27. gxf3 Qg6+ 28. Rg4 Re1+ 29. Kg2 Qd6 30. Nxd5 Kh8 31. c4 Rc1 32. c5 Qf8 33. Nf4 Qe8 34. Rg6 Kh7 35. Rxg7+ Kxg7 36. Nh5+ |
| ECO C00 in 1993 play it! mariotti sergio defeats black's abatino in 47 moves | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 b6 6. c3 Bb7 7. Qc2 Be7 8. Bg2 O-O 9. O-O Nb8 10. e5 Nfd7 11. Re1 c5 12. Nf1 Nc6 13. h4 b5 14. N1h2 Rc8 15. Ng4 d4 16. Qe2 Qc7 17. Bf4 b4 18. Nf6+ gxf6 19. exf6 Bd6 20. Nxd4 Nce5 21. Nb5 Bxg2 22. Nxc7 Bf3 23. Qe3 Rxc7 24. Bxe5 |
| ECO B11 in 1972 play it! mariotti sergio defeats black's pomar salamanca in 95 moves | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nd7 7. a3 Bd6 8. Qe2 Ne7 9. f4 Ng6 10. g3 Qe7 11. h4 h5 12. Bh3 Ngf8 13. O-O g6 14. Bd2 f5 15. Rae1 dxe4 16. dxe4 O-O-O 17. b4 a6 18. e5 Bc7 19. Bg2 Nb6 20. Be3 Nd5 21. Bc5 Bb6 22. Na4 Bxc5+ 23. bxc5 Qc7 24. c4 Ne7 25. Rd1 Rxd1 26. Rxd1 Nd7 27. Qb2 Qa5 28. Qb4 Qxb4 29. axb4 Rd8 30. Rd6 Nf8 31. Kf2 Kc7 32. Nb6 Re8 33. Ke3 Nc8 34. Nxc8 Kxc8 35. Kd4 Rd8 36. Bf3 Rd7 37. b5 axb5 38. cxb5 cxb5 39. Be2 b4 40. Kc4 Rxd6 41. cxd6 Nd7 42. Kxb4 Nb6 43. Bc4 Kd7 44. Bb5+ Kd8 45. Kc5 Nc8 46. Ba4 b6+ 47. Kc6 b5 48. Bxb5 |
| ECO B12 in 1982 play it! mariotti sergio defeats black's szmetan j in 77 moves | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 h5 5. Nf4 h4 6. e6 Bxe6 7. Nxe6 fxe6 8. Qg4 Nf6 9. Qxe6 Qd7 10. Qe3 e5 11. Qxe5+ Kf7 12. Be2 c5 13. dxc5 Nc6 14. Qf4 Re8 15. Nc3 d4 16. O-O Bxc5 17. Bc4+ Kf8 18. Nd5 Qd6 19. Qxd6+ Bxd6 20. Nxf6 gxf6 21. Bd2 h3 22. g3 Rh5 23. Rfe1 b5 24. Bd3 Ne5 25. Be2 Rh7 26. b3 f5 27. f4 Ng4 28. Bxb5 Rc8 29. Bd3 Bc5 30. b4 Bb6 31. Rac1 Rhc7 32. Re6 Rc6 33. Rxc6 Rxc6 34. a4 a6 35. Be1 Kf7 36. Kh1 Ne3 37. Bxa6 Nxc2 38. Bd3 Nxb4 39. Bc4+ |
| ECO B11 in 2000 play it! mariotti sergio defeats black's sibilio mario in 63 moves | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Bd6 7. Qe2 d4 8. Nb1 Ne7 9. g3 h5 10. h4 Nd7 11. Nd2 Bc7 12. Bh3 c5 13. Nf3 Nc6 14. Ng5 Ba5+ 15. Kf1 Qe7 16. Kg2 O-O-O 17. f4 Kb8 18. Bd2 Bxd2 19. Qxd2 Nf8 20. e5 f6 21. exf6 gxf6 22. Nxe6 Nxe6 23. Rhe1 Nxf4+ 24. Qxf4+ Ne5 25. Rf1 Rhf8 26. b3 Rd6 27. Rae1 a6 28. Qh6 Ka7 29. Rf5 Re6 30. Re4 Nf7 31. Rxe6 Qxe6 32. Qxf8 |
| ECO B18 in 1974 play it! mariotti sergio defeats black's grinza andrea in 97 moves | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. N1e2 Nf6 8. Nf4 Bh7 9. Bc4 e6 10. c3 Bd6 11. Qe2 Nbd7 12. Bxe6 fxe6 13. Nxe6 Qe7 14. Nf5 Bxf5 15. Nxg7+ Kf7 16. Nxf5 Qxe2+ 17. Kxe2 Bf8 18. h5 Re8+ 19. Kf1 Ne4 20. Bf4 Re6 21. Re1 Nd6 22. Nxd6+ Bxd6 23. Bxd6 Rxd6 24. Rh3 Re8 25. Rxe8 Kxe8 26. Re3+ Kf7 27. g4 Nf6 28. f3 Nd5 29. Re4 b5 30. Ke2 a5 31. Re5 a4 32. Rf5+ Kg7 33. Kd2 Rf6 34. Rxf6 Kxf6 35. Kd3 Kg5 36. Ke4 a3 37. bxa3 Nxc3+ 38. Ke5 Ne2 39. d5 cxd5 40. Kxd5 Kf4 41. Kc5 Nc3 42. Kb4 Nd5+ 43. Kxb5 Kxf3 44. Kc6 Ne7+ 45. Kd6 Nc8+ 46. Kc7 Ne7 47. a4 Kxg4 48. a5 Nd5+ 49. Kb7 |
| ECO B10 in 1996 play it! mariotti sergio defeats black's arlandi ennio it in 81 moves | 1. e4 c6 2. d3 d5 3. Nd2 g6 4. h4 dxe4 5. dxe4 Nf6 6. a4 Bg7 7. Bc4 O-O 8. Qe2 Qc7 9. c3 Nbd7 10. Ngf3 Nh5 11. g3 Ne5 12. Nxe5 Bxe5 13. Nf1 b5 14. Bb3 Rb8 15. f4 Bh8 16. axb5 cxb5 17. e5 Ng7 18. h5 gxh5 19. Ne3 Be6 20. Bxe6 fxe6 21. Nc2 a5 22. Be3 b4 23. cxb4 axb4 24. Nd4 Rf7 25. Rc1 Qb7 26. Qf3 Qxf3 27. Nxf3 Nf5 28. Kf2 h4 29. g4 Nxe3 30. Kxe3 Rff8 31. Rxh4 Rbc8 32. Rhh1 Bg7 33. Ng5 Rxc1 34. Rxc1 Rb8 35. Rc7 Bf8 36. Nxe6 h6 37. Ke4 b3 38. Kf5 Kf7 39. g5 hxg5 40. fxg5 Ra8 41. Rb7 |
| ECO B07 in 1972 play it! mariotti sergio defeats black's lim kok ann in 76 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 Qb6 6. Rb1 Bg7 7. Qd2 O-O 8. Nge2 Re8 9. h4 Qc7 10. Bh6 e5 11. Bxg7 Kxg7 12. h5 Nbd7 13. hxg6 fxg6 14. Qh6+ Kg8 15. Rd1 Nf8 16. dxe5 dxe5 17. Qg5 Qe7 18. Ng3 b5 19. Bd3 Kh8 20. Nce2 Ng8 21. Qxe7 Nxe7 22. c4 a6 23. Kd2 Be6 24. Kc3 Red8 25. b3 Kg7 26. Nf1 b4+ 27. Kb2 c5 28. Ne3 Nc6 29. g3 Bg8 30. f4 Ne6 31. Ng4 h5 32. Ne3 Ned4 33. f5 Rf8 34. g4 hxg4 35. Rdg1 Nxe2 36. Bxe2 Rad8 37. Kc1 Nd4 38. Bxg4 Rd6 |
| ECO B09 in 1972 play it! mariotti sergio defeats black's saliba michael m in 51 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Kxd1 Ng4 8. Ke1 c6 9. h3 Nh6 10. g4 Be6 11. Nf3 f6 12. Nd4 Bg8 13. exf6 exf6 14. Bg2 f5 15. Ndb5 Na6 16. g5 Nf7 17. Be3 Nd8 18. Nd6+ Ke7 19. Rd1 Be6 20. Kf2 b6 21. Bd4 Bxd4+ 22. Rxd4 Nc7 23. Re1 Ne8 24. Nxe8 Rxe8 25. Nb5 Rb8 26. Nc7 |
| ECO B07 in 1975 play it! mariotti sergio defeats black's botterill george in 77 moves | 1. e4 d6 2. d4 g6 3. h4 Nf6 4. Nc3 Bg7 5. f3 Nc6 6. Be3 a6 7. Qd2 b5 8. a4 bxa4 9. Rxa4 Bb7 10. Bh6 Bxh6 11. Qxh6 e5 12. Nge2 Qe7 13. d5 Nb8 14. Rb4 Bc8 15. Nc1 c5 16. Ra4 Ra7 17. g4 Bd7 18. Ra2 Ng8 19. Qe3 h5 20. g5 Bc8 21. f4 exf4 22. Qxf4 f6 23. Rg1 Bg4 24. Nd3 Rh7 25. gxf6 Nxf6 26. Kd2 Rf7 27. e5 Nfd7 28. exd6 Rxf4 29. dxe7 Rd4 30. Nb5 axb5 31. Rxa7 Bf5 32. Rh1 Rxd5 33. Kc1 c4 34. Nf4 Rd4 35. Ne2 Rd6 36. Bh3 Nc6 37. Rb7 Be4 38. Re1 Nb4 39. Bxd7+ |
| ECO B07 in 1969 play it! mariotti sergio defeats black's cordovil joao ma in 103 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h4 h5 5. Nh3 Bg4 6. f3 Bxh3 7. Rxh3 Nbd7 8. Be3 a6 9. a4 Bh6 10. Qd2 Bxe3 11. Qxe3 e5 12. d5 b5 13. axb5 axb5 14. Rxa8 Qxa8 15. Bxb5 Qa1+ 16. Kd2 Qxb2 17. Rh1 O-O 18. g4 Nc5 19. Rb1 Qa3 20. Be2 Qa7 21. g5 Nfd7 22. Qg1 Rb8 23. Ra1 Qb6 24. Bb5 Kf8 25. Bxd7 Nxd7 26. Qxb6 Nxb6 27. Ra7 Na8 28. Ke3 Ke7 29. f4 exf4+ 30. Kxf4 Kd8 31. e5 Rb4+ 32. Ne4 dxe5+ 33. Kxe5 Nb6 34. d6 Nc4+ 35. Kf6 cxd6 36. c3 Rb6 37. Kxf7 d5 38. Ra8+ Kc7 39. Nf6 Ne5+ 40. Ke7 Rb5 41. Ke6 d4 42. cxd4 Nf3 43. d5 Rb6+ 44. Kf7 Nxh4 45. Ra4 Nf3 46. Kxg6 h4 47. Ra3 Ne5+ 48. Kf5 Nf7 49. g6 Nd6+ 50. Kg5 Rb1 51. g7 Rg1+ 52. Ng4 |
| ECO B06 in 1977 play it! mariotti sergio defeats black's forintos gyozo v in 111 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. h4 Nc6 5. Be3 Nf6 6. f3 e5 7. d5 Ne7 8. Qd2 c6 9. dxc6 bxc6 10. O-O-O d5 11. Bc5 d4 12. Na4 h5 13. Kb1 Rb8 14. Nh3 Bh6 15. Qe1 Qc7 16. Ba3 Bxh3 17. Rxh3 Nc8 18. b3 Nd6 19. Rxd4 exd4 20. e5 Nb5 21. exf6+ Be3 22. Be7 Qe5 23. Bxb5 Rxb5 24. Nb2 Qe6 25. Nd3 Qf5 26. Kb2 Rb7 27. Rh1 Rxe7 28. fxe7 Kxe7 29. Qb4+ Kf6 30. Qb7 Bd2 31. Qxc6+ Kg7 32. Rf1 Bc3+ 33. Kb1 Rc8 34. Qe4 Qd7 35. Qe5+ Kg8 36. Qf4 Re8 37. g4 Qd5 38. gxh5 Qxh5 39. Qf6 Re3 40. Qf4 Qd5 41. Qf6 Qh5 42. a4 Qd5 43. Ka2 Re2 44. Rf2 Re3 45. Rf1 Re2 46. Kb1 Rh2 47. Qf4 Rd2 48. Qe5 Qxe5 49. Nxe5 Rh2 50. Rd1 Rxh4 51. Nc6 Rf4 52. Rd3 Rh4 53. b4 Kg7 54. Ka2 Rh1 55. b5 Kf6 56. Nxd4 |
| ECO B06 in 1970 play it! mariotti sergio defeats black's andersson ulf in 69 moves | 1. e4 g6 2. d4 Bg7 3. h4 h5 4. Nc3 d6 5. f3 c6 6. Be3 Qb6 7. Rb1 a5 8. Bc4 Na6 9. Nge2 Bd7 10. Qd2 Qc7 11. a4 Nb4 12. Nf4 Nf6 13. Kf2 Rd8 14. Bb3 e5 15. Nh3 O-O 16. dxe5 dxe5 17. Qe2 Bxh3 18. Rxh3 Kh7 19. g4 Rd7 20. Rg1 Rfd8 21. Ke1 b5 22. Rhg3 Qd6 23. Qg2 hxg4 24. fxg4 bxa4 25. Bc4 Qb8 26. h5 g5 27. Bxg5 Rd4 28. Bxf7 Na6 29. Qf3 Rf8 30. Qf5+ Kh8 31. h6 Rxf7 32. hxg7+ Kxg7 33. Bh6+ Kh8 34. Rh1 Qe8 35. Bf4+ |
| ECO B06 in 1974 play it! mariotti sergio defeats black's micheli carlo in 57 moves | 1. e4 g6 2. d4 d6 3. Nc3 Nf6 4. f3 c6 5. Be3 Nbd7 6. Qd2 b5 7. a4 b4 8. Nd1 a5 9. b3 Qc7 10. Nb2 c5 11. dxc5 Nxc5 12. Bb5+ Nfd7 13. Bd4 f6 14. Ne2 Bg7 15. Bxc5 Qxc5 16. Nd4 f5 17. Ne6 Qc3 18. Nxg7+ Qxg7 19. O-O-O Ra7 20. exf5 gxf5 21. Qd5 Rc7 22. Rhe1 Kd8 23. Bxd7 Rc5 24. Qa8 Kxd7 25. Qa7+ Ke8 26. Kb1 Qf6 27. Nd3 Rc3 28. Qxa5 Kf7 29. Qxb4 |
| ECO B06 in 1971 play it! mariotti sergio defeats black's gasic bozidar in 71 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nge2 d5 5. e5 f6 6. exf6 Nxf6 7. Ng3 Qd6 8. f4 Be6 9. Bd3 Nbd7 10. Nce2 c5 11. c3 cxd4 12. cxd4 Bf7 13. O-O O-O 14. Kh1 Rac8 15. Bd2 Nb6 16. b3 e6 17. Qe1 Rfd8 18. Bb4 Qb8 19. Ng1 Ne4 20. Nf3 Nd6 21. Bd2 Nd7 22. Ne5 Nf5 23. Ne2 Nf6 24. g4 Nd6 25. f5 exf5 26. gxf5 gxf5 27. Rg1 Ng4 28. Nxg4 fxg4 29. Bxh7+ Kf8 30. Rxg4 Qc7 31. Bb4 Qe7 32. Qg3 Qf6 33. Rxg7 Qxg7 34. Bxd6+ Rxd6 35. Qxd6+ Ke8 36. Re1 |
| ECO B06 in 1981 play it! mariotti sergio defeats black's dellaccio in 73 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 Nc6 4. Be3 d5 5. exd5 Nb4 6. Bb5+ Bd7 7. Bc4 Bf5 8. Bb3 Nf6 9. Qd2 Nbxd5 10. Nxd5 Nxd5 11. Bh6 Bxh6 12. Qxh6 Qd6 13. Ne2 O-O-O 14. O-O Nf6 15. Rfe1 Kb8 16. c3 Bc8 17. Qh4 Rhf8 18. Nf4 b6 19. Nd3 Bb7 20. Ne5 g5 21. Qh6 Nd5 22. Qxd6 exd6 23. Nd3 Rde8 24. Ba4 c6 25. Bb3 Nc7 26. Rxe8+ Rxe8 27. Bxf7 Re2 28. Bg8 h6 29. Kf1 Rd2 30. Ke1 Rxd3 31. Bc4 Rxd4 32. cxd4 d5 33. Be2 Ne6 34. Rd1 c5 35. dxc5 bxc5 36. Rd3 Nd4 37. Rh3 |
| ECO B05 in 1996 play it! mariotti sergio defeats black's corvi marco in 125 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. exd6 cxd6 8. O-O Be7 9. b3 O-O 10. Bb2 d5 11. c5 Nc8 12. Ne5 Bf5 13. Bd3 Bg6 14. Bxg6 hxg6 15. Nd2 Nc6 16. Ndf3 Bf6 17. a3 Bxe5 18. dxe5 N8e7 19. b4 Nf5 20. Re1 Nh4 21. Rc1 Nxf3+ 22. Qxf3 Qg5 23. Rcd1 Rad8 24. Bc1 Qf5 25. Qxf5 gxf5 26. Bd2 a6 27. a4 Ra8 28. Rb1 Rfc8 29. f4 Nd4 30. Bc3 Nc2 31. Re2 Na3 32. Rb3 Nc4 33. Bd4 Kf8 34. Rc2 Ke7 35. Rg3 Rg8 36. h4 g6 37. Rgc3 Rh8 38. g3 Rhc8 39. Kf2 Kd7 40. Ke2 Rc7 41. Kd3 Rac8 42. Bf2 g5 43. hxg5 Rh8 44. Rxc4 dxc4+ 45. Kxc4 Rh1 46. b5 Rb1 47. c6+ bxc6 48. b6 Rb7 49. Rd2+ Kc8 50. g6 fxg6 51. Rd6 Rc1+ 52. Kb4 Rd7 53. Rxe6 Kb7 54. Rxg6 a5+ 55. Kxa5 Rc4 56. Rd6 Rxd6 57. exd6 Rc2 58. Be3 Rc3 59. Bd4 Rd3 60. Bc5 Rb3 61. g4 fxg4 62. f5 g3 63. f6 |
| ECO B04 in 1980 play it! mariotti sergio defeats black's cramling dan in 79 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 Nd7 6. Qf3 Nxe5 7. dxe5 Nb4 8. Na3 Qd5 9. Qf4 e6 10. Bd2 Qc5 11. c3 Nc6 12. Nc4 g6 13. b4 Qe7 14. b5 Nb8 15. h4 h5 16. g4 Nd7 17. Rb1 Bg7 18. g5 Qc5 19. Be3 Bxe5 20. Qxe5 Qxe5 21. Nxe5 Nxe5 22. Bf4 Nd7 23. Bxc7 Nc5 24. Be5 Rg8 25. Ke2 b6 26. Bg2 Bb7 27. Bxb7 Nxb7 28. Rhd1 Nc5 29. Rb2 Rd8 30. Rd4 Rxd4 31. cxd4 Nd7 32. Rc2 Ke7 33. Rc7 Ra8 34. a4 a6 35. a5 Kd8 36. axb6 Nxe5 37. dxe5 axb5 38. Rxf7 Ra6 39. Rf8+ Ke7 40. b7 |
| ECO D31 in 1969 play it! mariotti sergio defeats black's zichichi alvise in 115 moves | 1. d4 d5 2. c4 e6 3. Nc3 f5 4. h4 c6 5. Bg5 Nf6 6. e3 Be7 7. Nh3 O-O 8. Nf4 Qa5 9. a3 Rf7 10. b4 Qc7 11. Rc1 Qd8 12. Qb3 Na6 13. cxd5 Nxd5 14. Ncxd5 cxd5 15. Bxe7 Rxe7 16. Bd3 Nc7 17. g4 Ne8 18. gxf5 Nf6 19. Qb1 e5 20. dxe5 Rxe5 21. h5 Ne4 22. Qb2 Ng5 23. Kf1 Nf7 24. Ng6 hxg6 25. hxg6 Qf6 26. gxf7+ Kxf7 27. Rc7+ Re7 28. Qxf6+ Kxf6 29. Rxe7 Kxe7 30. Rh8 b6 31. Kg2 Bb7 32. Rxa8 Bxa8 33. Kg3 Bc6 34. Kf4 Kf6 35. f3 Ba4 36. e4 Bd1 37. e5+ Ke7 38. Ke3 Kf7 39. f4 Ke7 40. Kd4 Bf3 41. Bc2 Bg2 42. Bb3 Be4 43. Bxd5 Bxf5 44. Be4 Bd7 45. Bd3 Bc6 46. f5 Bb7 47. Ke3 Bc6 48. Kf4 Ba4 49. Kg5 Be8 50. b5 Bf7 51. e6 Be8 52. a4 g6 53. fxg6 Kxe6 54. Bc4+ Ke7 55. g7 Bf7 56. Bxf7 Kxf7 57. Kh6 Kg8 58. Kg6 |
| ECO D02 in 1992 play it! mariotti sergio defeats black's guido flavio in 69 moves | 1. d4 d5 2. Nf3 c6 3. g3 Bg4 4. Bg2 Nd7 5. O-O e6 6. Nbd2 f5 7. h3 Bh5 8. b3 Bd6 9. Bb2 Ngf6 10. Ne5 O-O 11. Bf3 Bxf3 12. exf3 f4 13. g4 Bxe5 14. dxe5 Ne8 15. c4 Nc7 16. Qe2 a5 17. Ba3 Re8 18. Bd6 Na6 19. Kg2 Nac5 20. Rac1 b6 21. Rfd1 Rc8 22. Nb1 Nb7 23. Ba3 Qg5 24. Bb2 Nbc5 25. Nd2 Nf8 26. Bd4 Ng6 27. Nb1 Nd7 28. cxd5 cxd5 29. Nd2 h5 30. Qb5 Ndxe5 31. Bxe5 Nxe5 32. Rxc8 Rxc8 33. Qxb6 hxg4 34. Qxe6+ Kh7 35. hxg4 |