| ECO C64 in 1977 play it! mariotti sergio defeats white's vogt l in 122 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qf6 5. O-O Nge7 6. Re1 h6 7. d4 Bb6 8. Be3 O-O 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Na3 Bxe3 12. Rxe3 d6 13. Qd4 a6 14. Bf1 b5 15. Nc2 Be6 16. Qxe5 dxe5 17. Nb4 Rfd8 18. Rd3 Rdc8 19. a4 c5 20. Nd5 Nxd5 21. exd5 Bd7 22. axb5 axb5 23. Re1 c4 24. Rd2 f6 25. g3 Kf8 26. f4 exf4 27. gxf4 Ra2 28. Kf2 Bf5 29. Red1 Re8 30. Re1 Rxe1 31. Kxe1 Bd7 32. Kf2 Ke7 33. d6+ Ke6 34. Bh3+ f5 35. Bg2 Ra6 36. Bd5+ Kf6 37. Bf3 g5 38. Ke3 g4 39. Bg2 h5 40. Bb7 Rb6 41. Bg2 h4 42. Bh1 Ke6 43. Bd5+ Kf6 44. Kd4 Rxd6 45. Kc5 Ke7 46. Re2+ Be6 47. Bc6 Rd8 48. Bxb5 h3 49. Bc6 Rc8 50. Kb6 Kf6 51. Rd2 Rg8 52. Kc5 g3 53. hxg3 Rxg3 54. Rf2 Kg6 55. Rf3 Rxf3 56. Bxf3 Kf6 57. Kd4 Ke7 58. Ke5 h2 59. Bb7 Bc8 60. Bg2 Kd7 61. Kxf5 Kc7+ |
| ECO C64 in 1986 play it! mariotti sergio defeats white's jadoul michel in 56 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nge7 5. Nxe5 Nxe5 6. d4 c6 7. Be2 Bd6 8. dxe5 Bxe5 9. Nd2 Bc7 10. f4 d5 11. Bd3 dxe4 12. Nxe4 O-O 13. Qh5 Qd4+ 14. Kh1 Bf5 15. Re1 Ba5 16. Re2 Qd5 17. Qf3 Rfe8 18. Bd2 Bxd2 19. Rxd2 Qa5 20. Re2 Nd5 21. Rae1 Bxe4 22. Bxe4 Nf6 23. c3 Nxe4 24. b4 Qd5 25. Rxe4 Rxe4 26. Qxe4 Qxe4 27. Rxe4 Rd8 28. g3 Kf8 |
| ECO C60 in 1977 play it! mariotti sergio defeats white's de eccher stefan in 44 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O d6 5. c3 Bd7 6. d4 h6 7. Be3 Ng6 8. Qe2 a6 9. Ba4 Be7 10. Rd1 Qc8 11. Nbd2 O-O 12. Nf1 Nxd4 13. Nxd4 Bxa4 14. Nf5 Re8 15. Qh5 Bf8 16. N1g3 Nf4 17. Qg4 g6 18. Bxf4 exf4 19. Nh5 Bxd1 20. Rxd1 Kh8 21. Qxf4 gxf5 22. exf5 Re5 |
| ECO C64 in 1971 play it! mariotti sergio defeats white's zichichi alvise in 53 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. Ng5 Bb6 7. O-O d5 8. dxe5 e3 9. Nf3 exf2+ 10. Kh1 Ne7 11. Bg5 O-O 12. Nbd2 a6 13. Bxc6 bxc6 14. Nd4 Qe8 15. N2f3 c5 16. Nc2 c6 17. Be3 Bg4 18. Bxf2 Qh5 19. Nce1 Ng6 20. Bg3 Nxe5 21. Bxe5 Qxe5 22. Qa4 Qe2 23. Rg1 c4 24. Nd4 Bxd4 25. cxd4 Rf6 26. Nc2 Bf5 27. Nb4 |
| ECO C64 in 1989 play it! mariotti sergio defeats white's martinovic slobo in 110 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. Nc3 Nge7 6. d3 h6 7. Bxc6 dxc6 8. Be3 Bd6 9. Nd2 Be6 10. Nc4 Bxc4 11. dxc4 Ng6 12. Qh5 Qe7 13. Na4 Qe6 14. b3 Nf4 15. Bxf4 exf4 16. Nc5 Bxc5 17. Qxc5 b6 18. Qh5 O-O-O 19. c5 Qxe4 20. cxb6 axb6 21. Rfe1 Qd5 22. Qg4+ Kb7 23. Qxf4 Rhe8 24. h3 g5 25. Qf6 Rd6 26. Qg7 Rxe1+ 27. Rxe1 Qd2 28. Qa1 Qxc2 29. Rc1 Qd2 30. a4 f5 31. Rf1 f4 32. Qg7 f3 33. gxf3 Qd4 34. Qxd4 Rxd4 35. Re1 Rh4 36. Re3 c5 37. Rc3 Kc6 38. Kf1 Kd5 39. Ke2 Rh5 40. Rd3+ Kc6 41. Re3 Rxh3 42. f4 Rxe3+ 43. Kxe3 Kd5 44. fxg5 hxg5 45. Kd3 g4 46. Kc3 Ke4 47. Kd2 Kd4 48. Kc2 c6 49. Kd2 c4 50. b4 c3+ 51. Kc2 Kc4 52. a5 bxa5 53. bxa5 Kb5 54. Kxc3 Kxa5 55. Kc4 Kb6 |
| ECO C25 in 1972 play it! mariotti sergio defeats white's hartston william in 66 moves | 1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 h5 5. Nf3 h4 6. Nxh4 Rxh4 7. gxh4 Qxh4 8. d4 Bxd4 9. Qe2 Bxc3+ 10. bxc3 d6 11. O-O g5 12. Qe3 f6 13. Qg3 Qh7 14. Bf3 Nge7 15. Re1 Ng6 16. Be3 Ke7 17. c4 b6 18. c5 bxc5 19. c3 Nf4 20. Bg4 Bxg4 21. Qxg4 Rh8 22. h4 Qg8 23. Bxf4 Rxh4 24. Qg2 exf4 25. e5 Nxe5 26. Qb7 Rg4+ 27. Kf1 Qc4+ 28. Re2 Kd7 29. Qe4 f3 30. Qxc4 Nxc4 31. Rc2 Rg2 32. Re1 f5 33. Rce2 Kc6 |
| ECO C15 in 1987 play it! mariotti sergio defeats white's romero holmes al in 68 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c6 6. Qf3 Qh4 7. Bf4 Ne7 8. a3 Bxc3+ 9. bxc3 Be6 10. Rb1 b6 11. Qe3 Qg4 12. Nf3 Nf5 13. Bxf5 Qxf5 14. O-O O-O 15. Ne1 Nd7 16. Nd3 Rac8 17. f3 Rfe8 18. Qf2 c5 19. Be3 c4 20. Nf4 Nf8 21. Rb5 Ng6 22. Nxg6 Qxg6 23. Bf4 f6 24. Re1 Qf7 25. g4 Qd7 26. Rb4 Kf7 27. h3 h5 28. Kg2 g5 29. Bg3 hxg4 30. hxg4 Bxg4 31. fxg4 Rxe1 32. Qxe1 Qxg4 33. Qf2 Re8 34. Rb5 Re2 |
| ECO C15 in 1978 play it! mariotti sergio defeats white's sanz alonso fran in 62 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Be7 7. Nce2 Bf6 8. c3 Nge7 9. Ng3 g6 10. Qf3 Bg7 11. Bg5 h5 12. Qf4 Qd7 13. Kf1 Nd8 14. Bf6 Ne6 15. Qh4 g5 16. Bxg5 Ng6 17. Bxg6 Qb5+ 18. N1e2 fxg6 19. Bf6 Qxb2 20. Re1 Kf7 21. Bxg7 g5 22. Bxh8 gxh4 23. Nxh5 Bd7 24. Be5 Bb5 25. f4 Rg8 26. Rg1 Qxc3 27. Nf6 Nxf4 28. Bxf4 Kxf6 29. Kf2 Bxe2 30. Be5+ Ke6 31. Kxe2 c5 |
| ECO C19 in 1978 play it! mariotti sergio defeats white's bouaziz slim in 90 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. a4 Qa5 9. Bd2 Bd7 10. Be2 f6 11. exf6 gxf6 12. c4 Qc7 13. cxd5 Nxd5 14. c4 Nde7 15. dxc5 O-O-O 16. a5 a6 17. Qb3 Rhg8 18. O-O Rg7 19. Rab1 e5 20. Rfd1 e4 21. Nh4 Nd4 22. Qe3 Bc6 23. Bc3 Nxe2+ 24. Qxe2 Rxd1+ 25. Rxd1 Qf4 26. Qh5 e3 27. Be1 e2 28. Rd3 Qxh4 29. Qxh4 Rxg2+ 30. Kh1 Rg4+ 31. f3 Rxh4 32. Bxh4 Ng6 33. Bg3 Ne5 34. Re3 Nxf3 35. Rxe2 Nd4+ 36. Rg2 Nb3 37. Be1 Kd7 38. Kg1 Bxg2 39. Kxg2 Kc6 40. Kf3 Kxc5 41. Ke4 Kxc4 42. Bh4 Nxa5 43. Kf5 Nc6 44. Kxf6 b5 45. Kg7 b4 |
| ECO C05 in 1990 play it! mariotti sergio defeats white's martorelli anton in 80 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Ng8 5. Nh3 Ne7 6. Nf3 b6 7. Nf4 h5 8. Bd3 Ba6 9. Bxa6 Nxa6 10. a4 c5 11. a5 Nf5 12. axb6 axb6 13. O-O Nc7 14. Rxa8 Qxa8 15. c4 dxc4 16. dxc5 Bxc5 17. Re1 g6 18. Ng5 Bd4 19. Nf3 Bc5 20. Ng5 Be7 21. Ne4 Nd5 22. Nd6+ Bxd6 23. exd6 Kd7 24. Qe2 Nxf4 25. Bxf4 Rc8 26. Qe5 Qa5 27. Qxa5 bxa5 28. Re5 f6 29. Rxa5 e5 30. Bd2 Nxd6 31. Kf1 Rb8 32. Ra2 Ne4 33. Ke2 Ke6 34. Be1 Kf5 35. f3 Nc5 36. Bc3 Nd3 37. Kd2 h4 38. Kc2 Nf4 39. g3 hxg3 40. hxg3 Ne2 |
| ECO B06 in 1978 play it! mariotti sergio defeats white's garcia padron jo in 76 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. exd5 cxd5 6. Bb5+ Kf8 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Ne2 Ne7 11. c4 h6 12. cxd5 Qxd5 13. Qd3 Nbc6 14. Bc4 Qd7 15. Rd1 Rd8 16. Qf3 Ne5 17. Qb3 Nxc4 18. Qxc4 Kg8 19. Nc3 Kh7 20. Bf4 Nd5 21. Bg3 Rc8 22. Qb3 Rhd8 23. Ne4 Qc6 24. Be5 f6 25. Bh2 f5 26. Ng3 Nf4 27. f3 Qc2 28. Qxc2 Rxc2 29. Nf1 Ne2+ 30. Kh1 Rxd4 31. Ne3 Rxd1+ 32. Nxd1 f4 33. Rb1 Bd4 34. Nc3 Bxc3 35. bxc3 b6 36. Bg1 Nxc3 37. Rb4 Ne2 38. Bf2 Rxa2 |
| ECO B02 in 1975 play it! mariotti sergio defeats white's borngaesser rene in 58 moves | 1. e4 Nf6 2. e5 Nd5 3. Nc3 e6 4. Ne4 f5 5. Nc3 Nxc3 6. dxc3 Nc6 7. Nf3 b6 8. Bf4 Bb7 9. Qd2 h6 10. h4 g6 11. O-O-O Qe7 12. Bc4 O-O-O 13. Rhe1 Qg7 14. b4 Be7 15. Kb1 Bxh4 16. Rh1 Bg5 17. Nxg5 hxg5 18. Bxg5 Rxh1 19. Rxh1 Nxe5 20. Bxe6 Bxg2 21. Rg1 Nf3 22. Qd5 Nxg5 23. Qxg2 Ne4 24. Bxf5 Nxc3+ 25. Kb2 Nb5+ 26. Kc1 Qa1+ 27. Kd2 Qc3+ 28. Kd1 Kb8 29. Bd3 Qxb4 |
| ECO B00 in 1974 play it! mariotti sergio defeats white's bonfa ileano in 76 moves | 1. e4 Nc6 2. Nf3 e5 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Qf5 11. Bg5 h6 12. Bh4 Bc5 13. Qd3 O-O 14. Nxc5 Qxc5 15. Rad1 Bf5 16. Qd2 Bg4 17. Bg3 Bxf3 18. gxf3 Qd5 19. Bxc7 Qxf3 20. Qf4 Qxf4 21. Bxf4 Rfe8 22. Kf1 f5 23. a3 g5 24. Bd6 Kf7 25. Bb4 Rxe1+ 26. Bxe1 Ke6 27. c3 Rd8 28. cxd4 Rxd4 29. Rc1 Rd3 30. Bc3 g4 31. Re1+ Kf7 32. Re2 h5 33. Rd2 Rxd2 34. Bxd2 Ke6 35. Ke2 Ke5 36. Kd3 f4 37. b4 b5 38. Be1 Kd5 |
| ECO B00 in 1972 play it! mariotti sergio defeats white's hartston william in 65 moves | 1. e4 Nc6 2. Nc3 e5 3. g3 Bc5 4. Bg2 h5 5. Nf3 h4 6. Nxh4 Rxh4 7. gxh4 Qxh4 8. d4 Bxd4 9. Qe2 Bxc3+ 10. bxc3 d6 11. O-O g5 12. Qe3 f6 13. Qg3 Qh7 14. Bf3 Nge7 15. Re1 Ng6 16. Be3 Ke7 17. c4 b6 18. c5 bxc5 19. c3 Nf4 20. Bg4 Bxg4 21. Qxg4 Rh8 22. h4 Qg8 23. Bxf4 Rxh4 24. Qg2 exf4 25. e5 Nxe5 26. Qb7 Rg4+ 27. Kf1 Qc4+ 28. Re2 Kd7 29. Qe4 f3 30. Qxc4 Nxc4 31. Rc2 Rg2 32. Re1 f5 33. Rce2 |
| ECO B00 in 1981 play it! mariotti sergio defeats white's avgousti p in 72 moves | 1. e4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Bd6 12. Rfe1 Rb8 13. Na4 Rb4 14. b3 Rg4 15. Bxf6 gxf6 16. g3 Kh8 17. c4 Be5 18. Rad1 Rg5 19. cxd5 cxd5 20. Qe3 Qc7 21. Qc5 Qxc5 22. Nxc5 Bd6 23. b4 Rd8 24. a3 Kg7 25. Bf1 Bxc5 26. bxc5 d4 27. Re7 Rxc5 28. Rxa7 Bg4 29. f3 Bxf3 30. Rd2 Rc1 31. Kf2 Be4 32. Ra4 Rc2 33. Ke1 Re8 34. Raxd4 Bd3+ 35. Be2 Rxe2+ 36. Rxe2 Bxe2 |
| ECO A40 in 1986 play it! mariotti sergio defeats white's farago ivan in 82 moves | 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 f5 5. g3 Nf6 6. Bg2 O-O 7. O-O Bxd2 8. Nbxd2 d6 9. Re1 e5 10. e4 f4 11. dxe5 dxe5 12. gxf4 Nh5 13. f5 Nf4 14. Nf1 Nd7 15. Ne3 c6 16. Qc2 Nf6 17. Rad1 Bd7 18. c5 Be8 19. Qc3 Bh5 20. Nc4 Qxc5 21. Ncxe5 Qxc3 22. bxc3 Rfe8 23. Bh1 Bxf3 24. Nxf3 Nxe4 25. Rd7 Nc5 26. Rde7 Rxe7 27. Rxe7 Nd5 28. Re1 Nxc3 29. a3 Rd8 30. Kg2 Kf7 31. Ne5+ Kf6 32. Kg3 Kxf5 33. Nc4 Rd3+ 34. Bf3 Kf6 35. Re8 N3e4+ 36. Kg2 Nd6 37. Nxd6 Rxd6 38. Bg4 g6 39. Rf8+ Kg7 40. Ra8 Rd4 41. Bc8 Ra4 |
| ECO A40 in 1988 play it! mariotti sergio defeats white's chinchilla e in 38 moves | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 Nbd7 7. Ne2 O-O 8. Bf4 Bd6 9. Qd2 Bxf4 10. Qxf4 c6 11. O-O Qa5 12. Ne4 Nxe4 13. Bxe4 Qb5 14. Qf3 c5 15. b3 cxd4 16. Nxd4 Qb6 17. Rfd1 f5 18. Bd3 Qxd4 19. Bb5 Qa4 |
| ECO A40 in 1990 play it! mariotti sergio defeats white's vaisser anatoly in 52 moves | 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. Qc2 c6 8. Bg5 Ne4 9. Bxe7 Qxe7 10. Ne5 Nd7 11. Nd3 b6 12. Nd2 Ba6 13. b3 Rac8 14. Rfd1 c5 15. dxc5 Nxd2 16. c6 Ne4 17. cxd7 Qxd7 18. Ne5 Qe7 19. Qb2 dxc4 20. bxc4 Nc5 21. Rd2 Na4 22. Qd4 Rfd8 23. Bd5 exd5 24. cxd5 Qd6 25. Qxa4 Qxe5 26. Rad1 Bxe2 |
| ECO A40 in 1988 play it! mariotti sergio defeats white's chinchilla eugen in 38 moves | 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 Nbd7 7. Ne2 O-O 8. Bf4 Bd6 9. Qd2 Bxf4 10. Qxf4 c6 11. O-O Qa5 12. Ne4 Nxe4 13. Bxe4 Qb5 14. Qf3 c5 15. b3 cxd4 16. Nxd4 Qb6 17. Rfd1 f5 18. Bd3 Qxd4 19. Bb5 Qf6 |
| ECO A43 in 1977 play it! mariotti sergio defeats white's tatai s in 58 moves | 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. g3 e5 5. Nb3 Nc6 6. Bg2 Be6 7. O-O f5 8. f4 e4 9. Be3 Nf6 10. h3 h5 11. c3 h4 12. gxh4 Nh5 13. Nd4 Nxd4 14. Qxd4 Rh6 15. Na3 Rg6 16. Rf2 a6 17. Nc2 Bd6 18. Qd2 Qxh4 19. c4 Qxh3 20. cxd5 Bd7 21. Nd4 Ke7 22. Ne6 Rh8 23. Ng5 Rxg5 24. fxg5 Qh2+ 25. Kf1 Ng3+ 26. Ke1 Qg1+ 27. Bf1 Nxf1 28. Qd4 Nxe3+ 29. Kd2 Qxg5 |