| ECO A05 in 1972 play it! porreca giorgio defeats white's szekely s in 54 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e3 O-O 9. Ba3 cxd4 10. cxd4 Nc6 11. Be2 Qa5+ 12. Nd2 Bxd4 13. exd4 Nxd4 14. Qb2 Rd8 15. Rc1 Be6 16. Rc5 Qa4 17. Bd1 Qa6 18. Nf3 Nxf3+ 19. Bxf3 Bc4 20. Bxb7 Qe6+ 21. Qe5 Qd7 22. Bd5 Bxd5 23. O-O Rac8 24. Rd1 Qg4 25. f3 Bxf3 26. Rxd8+ Rxd8 27. Qg5 Qd4+ |
| ECO A05 in 1950 play it! porreca giorgio defeats white's muller hans in 44 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. c4 Be6 9. Qa4 Qd7 10. cxd5 cxd5 11. Qxd7+ Nxd7 12. Nc3 Nb6 13. Nb5 Rc8 14. Nxa7 Rc2 15. Rd1 Bc5 16. e3 Bg4 17. f3 Bd7 18. b4 Bxb4 19. Rb1 Bc5 20. Kh1 O-O 21. Nb5 Na4 22. Ba3 Bxb5 |
| ECO A16 in 1972 play it! porreca giorgio defeats white's okelly de galway in 108 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 Nc6 7. d5 Nb8 8. O-O e5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nh5 12. Nd2 Nf4 13. Bg4 Nd7 14. f3 Re8 15. Bf2 Nf8 16. Be3 h5 17. Bxc8 Rxc8 18. Qb3 N8g6 19. Kh1 h4 20. Qxb7 Nh5 21. Rfb1 Ngf4 22. Qb3 Bh6 23. Nf1 Kh7 24. Qd1 Rg8 25. h3 Qd7 26. Bxf4 exf4 27. Nb5 Bg7 28. Nd4 Ng3+ 29. Nxg3 hxg3 30. Nc6 Rh8 31. Kg1 Kg8 32. Qc2 Re8 33. Re1 Qc8 34. Rab1 Bf6 35. b4 Kg7 36. Kf1 g4 37. fxg4 f3 38. Qd3 Qxg4 39. Qxf3 Qxf3+ 40. gxf3 Rxh3 41. Kg2 Rh2+ 42. Kxg3 Reh8 43. Kf4 Bg5+ 44. Kf5 Bd2 45. Rg1+ Kf8 46. e5 R8h5+ 47. Ke4 dxe5 48. c5 Bf4 49. b5 Rd2 50. Nxe5 Bxe5 51. b6 axb6 52. cxb6 cxb6 53. Rgd1 Rxd1 54. Rxd1 Bd6 |
| ECO A16 in 1976 play it! porreca giorgio defeats white's grzeskowiak feli in 36 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 Qa5 9. Nf3 exd5 10. exd5 a6 11. O-O Bg4 12. Qf4 Nbd7 13. Qxd6 Rfe8 14. Rac1 Ne4 15. Nxe4 Rxe4 16. Bd3 Ree8 17. h3 Ne5 18. Bd2 Nxf3+ |
| ECO A16 in 1972 play it! porreca giorgio defeats white's bobotsov milko g in 62 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 e5 6. d5 Nh5 7. Be3 f5 8. Qd2 f4 9. Bf2 Bf6 10. Nge2 Bh4 11. g3 Bg5 12. g4 Bh4 13. Nd1 Ng7 14. Nec3 h5 15. gxh5 Nxh5 16. Bxh4 Qxh4+ 17. Nf2 g5 18. c5 a6 19. cxd6 cxd6 20. Na4 Nd7 21. Bh3 Ndf6 22. Bxc8 Rxc8 23. Nb6 Rc5 24. Qe2 g4 25. Kd1 Ng3 26. hxg3 Qxh1+ 27. Nxh1 Rxh1+ 28. Kd2 Rxa1 29. gxf4 Rac1 30. Kd3 Nh5 31. Ke3 R5c2 |
| ECO A15 in 1953 play it! porreca giorgio defeats white's bertok mario in 56 moves | 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. d5 cxd5 9. cxd5 Ne8 10. Qd2 Bd7 11. b4 f5 12. a4 Na6 13. Nb5 fxe4 14. fxe4 Nf6 15. Ng3 Ng4 16. Nxd6 Nxb4 17. Bc5 a5 18. Be2 Bh6 19. Qc3 Ne3 20. Bf3 Bh3 21. Bxe3 Bxe3 22. Nb5 Rc8 23. Qb3 Qb6 24. Rd1 Bxg2 25. d6+ Kg7 26. Nf5+ Rxf5 27. exf5 Bxf3 28. Qe6 Nd3+ |
| ECO A13 in 1954 play it! porreca giorgio defeats white's nielsen axel in 54 moves | 1. c4 e6 2. d4 d5 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 Ng4 11. h3 cxd4 12. Nxb5 Ngxe5 13. Be4 axb5 14. Bxa8 Qa5+ 15. Bd2 Qxa8 16. Nxe5 Qe4+ 17. Qe2 Qxe5 18. a4 b4 19. f4 Qxe2+ 20. Kxe2 Ba6+ 21. Kf3 Bd6 22. Rhc1 Ke7 23. g4 Rb8 24. Rcb1 Nc5 25. Rg1 Nb3 26. Rad1 Bb7+ 27. Kf2 Rc8 |
| ECO A02 in 1954 play it! porreca giorgio defeats white's store thor in 60 moves | 1. f4 Nf6 2. e3 g6 3. Nf3 Bg7 4. Be2 d5 5. O-O O-O 6. d4 c5 7. c3 Nc6 8. Qe1 Rb8 9. Kh1 b5 10. dxc5 e5 11. fxe5 Ne4 12. Nd4 Nxe5 13. b4 Qg5 14. Nf3 Qh6 15. Qh4 Qxh4 16. Nxh4 Nc4 17. a3 Nxc3 18. Nxc3 Bxc3 19. Ra2 Re8 20. Rd1 Nxe3 21. Bxe3 Rxe3 22. Rxd5 Be6 23. Rdd2 Bxa2 24. Rxa2 Rbe8 25. Bf1 Re1 26. Rf2 Ra1 27. Nf3 a5 28. bxa5 b4 29. axb4 Bxb4 30. Ng5 Ree1 |
| ECO B28 in 1952 play it! porreca giorgio defeats white's koch berthold in 80 moves | 1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Nf6 7. Nc3 Bc5 8. Be2 O-O 9. O-O Nd4 10. Ne3 d6 11. Ncd5 Nxd5 12. Nxd5 f5 13. exf5 Bxf5 14. Be3 Be6 15. b4 Ba7 16. Rc1 Rc8 17. Bg4 Qd7 18. Bxe6+ Qxe6 19. Re1 Qf7 20. Ne7+ Qxe7 21. Bxd4 Bxd4 22. Qxd4 exd4 23. Rxe7 b5 24. c5 d3 25. Kf1 Rf4 26. a3 dxc5 27. Rxc5 Rxc5 28. bxc5 Rc4 29. Ke1 Rxc5 30. Ra7 Rc1+ 31. Kd2 Rc2+ 32. Kxd3 Rxf2 33. Rxa6 Rxg2 34. Kc3 Rxh2 35. Ra5 Rh3+ 36. Kb4 Rh4+ 37. Kb3 Rh5 38. Kb4 Rf5 39. a4 Rf4+ 40. Kxb5 Rf5+ |
| ECO B35 in 1968 play it! porreca giorgio defeats white's berggreen a in 80 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. h4 h5 12. O-O-O Ne5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qc7 16. Ne2 Bb5 17. Nf4 Bc4 18. Nd5 Nxd5 19. exd5 Be2 20. Rde1 Qxc3 21. Rxe2 Qa1+ 22. Kd2 Qxh1 23. Qg5 Qh2 24. Qxe7 a5 25. Qf6 b5 26. a4 bxa4 27. Bxa4 Qg1 28. Qf4 Rb8 29. g3 Rb4 30. Re4 Qf2+ 31. Kc1 Qf1+ 32. Kd2 Nc4+ 33. Rxc4 Qxc4 34. Qxc4 Rxc4 35. Bb3 Rc5 36. c4 Rc7 37. Kd3 Kf8 38. Ba4 Ke7 39. Kd4 Kd8 40. f4 Re7 |
| ECO B33 in 1955 play it! porreca giorgio defeats white's matanovic alexan in 58 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bc4 O-O 8. Qd3 d5 9. exd5 e4 10. Qg3 Bd6 11. Qh4 Ne5 12. Be2 Ng6 13. Qg5 Re8 14. f4 exf3 15. gxf3 h6 16. Qg2 Nh5 17. Qf2 Nhf4 18. Bxf4 Bxf4 19. h4 Be3 20. Qg3 Bf5 21. Nd2 Bxc2 22. Nc4 Bf4 23. Qf2 Bd3 24. Qd4 Bxe2 25. Nxe2 Qe7 26. Qd3 Rad8 27. Kf1 b5 28. Na3 Rxd5 29. Qe4 Re5 |
| ECO C58 in 1952 play it! porreca giorgio defeats white's matteucci guido in 56 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10. h3 O-O 11. Nh2 e3 12. Bxe3 Bxe3 13. fxe3 Ne4 14. O-O Ng3 15. Qf2 Nxf1 16. Nxf1 Qg5 17. Qf3 Bf5 18. e4 Bxe4 19. Qxe4 Rae8 20. Qd4 Re1 21. Kf2 Rfe8 22. Ng3 Qc1 23. Nd2 Qxa1 24. Nf5 R1e5 25. g4 Qe1+ 26. Kf3 Qe2+ 27. Kg3 Re3+ 28. Nxe3 Rxe3+ |
| ECO C67 in 1977 play it! porreca giorgio defeats white's szanto j in 62 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Bd2 Be6 11. Ne4 b6 12. Rfe1 c5 13. Bc3 Kc8 14. a3 a5 15. h3 Ne7 16. b3 a4 17. Nfd2 Nc6 18. Bb2 Be7 19. bxa4 Rd8 20. Nf1 Rxa4 21. Nc3 Ra5 22. Ne2 c4 23. Nf4 Bc5 24. Re4 Bd4 25. Nxe6 fxe6 26. c3 Bc5 27. g3 Rf8 28. Re2 Nxe5 29. Ne3 Nd3 30. Kg2 Bxe3 31. fxe3 Raf5 |
| ECO C74 in 1956 play it! porreca giorgio defeats white's castaldi vincenz in 72 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. d4 e4 8. Ng5 d5 9. f3 h6 10. fxe4 hxg5 11. exf5 Bd6 12. Nd2 Qf6 13. Bc2 O-O-O 14. Nf3 Re8+ 15. Kf2 g4 16. Bg5 Qf7 17. Nh4 Qh5 18. Qd2 g3+ 19. hxg3 Re2+ 20. Qxe2 Bxg3+ 21. Kf1 Qxg5 22. Qe6+ Kb8 23. Nf3 Rxh1+ 24. Ke2 Qh5 25. Qxg8+ Ka7 26. Rxh1 Qxh1 27. Qxd5 Qxg2+ 28. Kd3 Qf1+ 29. Ke3 Bd6 30. Qe4 Qc1+ 31. Kd3 Qxb2 32. a4 Qa3 33. Ne5 Nb4+ 34. Kd2 Na2 35. Qf3 Qc1+ 36. Kd3 Qb2 |
| ECO C58 in 1952 play it! porreca giorgio defeats white's paoli enrico in 68 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3 Be7 10. Nc3 h6 11. Nge4 Nd5 12. Ng3 Nf4 13. Bf5 Bb7 14. d4 c5 15. d5 g6 16. Be4 f5 17. Bxf5 gxf5 18. Bxf4 exf4 19. Qh5+ Kd8 20. O-O-O fxg3 21. d6 Bg5+ 22. Kb1 Qd7 23. Rhe1 Kc8 24. hxg3 Bc6 25. f4 Bf6 26. Qg6 Rf8 27. Nd5 Bxd5 28. Rxd5 Kb7 29. Rxc5 Rae8 30. Rh1 Nc6 31. a3 Ka8 32. Qxf5 Qxd6 33. Rxh6 Rb8 34. c3 Qd1+ |
| ECO C02 in 1957 play it! porreca giorgio defeats white's postpischl domen in 84 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Qc7 6. Bf4 a6 7. c3 Nc6 8. Qd1 Nf6 9. Bd3 Nh5 10. g3 Nxf4 11. gxf4 g5 12. Rg1 gxf4 13. Qe2 Bd7 14. Nbd2 O-O-O 15. Nb3 Be7 16. Nbd4 Nxd4 17. cxd4 Kb8 18. Rg7 h6 19. Qd2 Rdg8 20. Rh7 Rxh7 21. Bxh7 Rg7 22. Bd3 f6 23. Qxf4 fxe5 24. Qxh6 Bc6 25. Kf1 Bd6 26. dxe5 Bc5 27. Rc1 Rf7 28. Rxc5 Rxf3 29. Be2 Rf5 30. Qxe6 Rxe5 31. Qf6 Re8 32. Qh4 Ka8 33. Rc3 d4 34. Qxd4 Qxh2 35. Ke1 Qg1+ 36. Kd2 Qg5+ 37. Ke1 Rd8 38. f4 Qh4+ 39. Qf2 Qh1+ 40. Bf1 Bb5 41. Rf3 Qh7 42. Bxb5 Qb1+ |
| ECO C06 in 1954 play it! porreca giorgio defeats white's janosevic dragol in 66 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6 9. a3 a5 10. O-O Bd7 11. f4 g6 12. Nf3 h5 13. Be3 a4 14. Bf2 Na5 15. Bh4 Be7 16. Qe1 Nbc4 17. Qg3 Nd2 18. Nxd2 Bxh4 19. Qh3 Be7 20. Rac1 Qb6 21. Rc2 Kf8 22. g4 Kg8 23. f5 hxg4 24. Qxg4 exf5 25. Qg2 Rh4 26. Bxf5 Bxf5 27. Rxf5 Rxd4 28. Nxd4 Qxd4+ 29. Rf2 Bh4 30. Nf3 Bxf2+ 31. Rxf2 Qe3 32. Qg4 Nc4 33. Ng5 Qe1+ |
| ECO C06 in 1954 play it! porreca giorgio defeats white's anagnostou j in 80 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qb4 12. a3 Qxd2+ 13. Nxd2 a5 14. b3 Nb6 15. O-O Bd7 16. Rac1 Ke7 17. f4 Rac8 18. g4 g6 19. Nf3 Na7 20. Nc3 a4 21. b4 Nc4 22. Bxc4 Rxc4 23. Ne2 Bb5 24. Rxc4 Bxc4 25. Kf2 Bxe2 26. Kxe2 Rc8 27. Kd2 Nb5 28. f5 gxf5 29. gxf5 exf5 30. Nh4 Nxd4 31. Nxf5+ Nxf5 32. Rxf5 Rg8 33. Rh5 Rg2+ 34. Kd3 Ra2 35. Kd4 Rxa3 36. Kxd5 Rd3+ 37. Kc4 Rd2 38. Rh6 a3 39. Rb6 a2 40. Rxb7+ Rd7 |
| ECO C06 in 1959 play it! porreca giorgio defeats white's giustolisi alber in 68 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 Bb4+ 10. Kf1 f6 11. exf6 Nxf6 12. Bf4 O-O 13. a3 Be7 14. b4 a6 15. h4 Ng4 16. Bg3 e5 17. Qb3 Kh8 18. dxe5 Ncxe5 19. Ned4 Nxf3 20. Nxf3 Bd6 21. Ra2 Bxg3 22. fxg3 Bd7 23. Re2 Rac8 24. Qb2 Bb5 25. Bxb5 Qxb5 26. Ke1 Qd3 27. Re7 d4 28. Re2 Ne3 29. Kf2 Nxg2 30. Kxg2 Rxf3 31. Rh3 Re3 32. Rd2 Qe4+ 33. Kh2 Re1 34. Rg2 Rcc1 |
| ECO B02 in 1952 play it! porreca giorgio defeats white's czerniak moshe in 72 moves | 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Be2 Qd7 10. Nf3 O-O-O 11. h3 f6 12. exf6 gxf6 13. O-O Qg7 14. Kh1 Rg8 15. Rg1 Ne5 16. Qf1 Nf7 17. g4 Bg6 18. a4 a5 19. Qf2 Ng5 20. Nxg5 fxg5 21. Rgd1 Bb4 22. Nb5 Bc2 23. Rdc1 Rgf8 24. Qg3 Bxa4 25. c5 Bxb5 26. cxb6 Bc6+ 27. Rxc6 bxc6 28. Ba6+ Kb8 29. Bxg5 Rd6 30. bxc7+ Kxc7 31. Bf4 Qxd4 32. Bxd6+ Bxd6 33. Qd3 Qxb2 34. Qxh7+ Kd8 35. Qh4+ Ke8 36. Qh5+ Rf7 |