| ECO A05 in 1946 play it! porreca defeats black's bezzi in 55 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. Bg5 c6 6. cxd5 exd5 7. e3 Qa5 8. Bd3 Ne4 9. O-O Nxc3 10. bxc3 Qxc3 11. e4 Nb6 12. exd5 Nxd5 13. Re1+ Be6 14. Bf5 Bd6 15. Bxe6 fxe6 16. Rxe6+ Kd7 17. Ne5+ Bxe5 18. Rxe5 Rae8 19. Rc1 Rxe5 20. Rxc3 Nxc3 21. Qg4+ Re6 22. Bd2 Ne2+ 23. Kf1 g6 24. d5 cxd5 25. Qb4 Rd8 26. Qxb7+ Ke8 27. Ba5 Rdd6 28. Qc8+ |
| ECO A05 in 1952 play it! porreca defeats black's vecchio d in 33 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 Qc8 10. b3 d6 11. Bb2 Nd7 12. Rfd1 e5 13. dxe5 dxe5 14. Rxd7 Qxd7 15. Nxe5 Qc8 16. Bxb7 Qxb7 17. Nd7 |
| ECO A19 in 1972 play it! porreca defeats black's endzelins in 81 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nf3 Qa5 9. exd6 Nf6 10. Qd3 Ne5 11. Nxe5 Qxe5+ 12. Be3 Qxd6 13. Nb5 Qe5 14. O-O-O Bd7 15. Bd4 Qf4+ 16. Kb1 Bc6 17. g3 Qf3 18. Be3 Bb4 19. Nc7+ Ke7 20. Be2 Qe4 21. Nxa8 Qxd3+ 22. Bxd3 Bxh1 23. Rxh1 Rxa8 24. a3 Bd6 25. Be2 b6 26. Rc1 Rc8 27. b4 Nd7 28. Ka2 f5 29. f4 h5 30. Kb3 g6 31. Bf3 Rh8 32. Bd4 Rc8 33. Re1 Kf7 34. Rd1 Be7 35. Bc3 Rc7 36. h3 Bf6 37. g4 Bxc3 38. Kxc3 fxg4 39. hxg4 hxg4 40. Bxg4 a5 41. Rd6 |
| ECO A16 in 1960 play it! porreca defeats black's tatai in 67 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. O-O-O Bf6 10. exf5 gxf5 11. Bd3 c5 12. Nge2 Kh8 13. Rhg1 Rg8 14. f4 e4 15. Bc2 Qa5 16. g4 fxg4 17. Nxe4 Qxa2 18. Nxf6 Nxf6 19. Qc3 Kg7 20. Ng3 Kf7 21. Bf5 b5 22. Be6+ Bxe6 23. dxe6+ Kxe6 24. Rxd6+ Kxd6 25. Qxf6+ Kc7 26. Qe5+ Kb7 27. Qe7+ Ka6 28. Qe6+ Kb7 29. Qf7+ Kb6 30. Bxc5+ Ka5 31. Qxg8 Qxc4+ 32. Qxc4 bxc4 33. f5 Kb5 34. Ba3 |
| ECO A13 in 1960 play it! porreca defeats black's norcia in 41 moves | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2 exd4 14. exd4 Nf6 15. Re1 Qd6 16. Ng5 h6 17. Nxf7 Rxf7 18. Qg6 Qf8 19. Rf3 Nd5 20. Rxf7 Qxf7 21. Re8+ |
| ECO A13 in 1969 play it! porreca defeats black's nunn in 87 moves | 1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5 11. Bf4 Be4 12. b4 d3 13. b5 dxe2 14. Qxe2 Nd4 15. Nxd4 Qxd4 16. Bxe4 Nxe4 17. Rae1 Qxa4 18. Qxe4 Qxe4 19. Rxe4 Bxc5 20. Rc1 b6 21. Kf1 a6 22. Rxc5 bxc5 23. b6 Rfb8 24. Bc7 Rb7 25. Re5 c4 26. Ke2 f6 27. Re7 a5 28. f4 Ra6 29. Re6 Kf7 30. f5 a4 31. g4 Ra5 32. Rc6 Rb5 33. Ke3 Rb2 34. Rxc4 Rxa2 35. Kd4 Rb2 36. Kc5 a3 37. Kc6 a2 38. Ra4 R7xb6+ 39. Bxb6 Rxh2 40. Ra7+ Kg8 41. Ra8+ Kf7 42. Bc5 g6 43. Ra7+ Kg8 44. g5 |
| ECO A16 in 1963 play it! porreca defeats black's toksimovic in 109 moves | 1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 d6 5. d4 exd4 6. Nxd4 Be7 7. Be2 O-O 8. O-O d5 9. cxd5 cxd5 10. e5 Ne4 11. Qc2 Nxc3 12. Qxc3 Bd7 13. Qb3 Bc6 14. Qg3 Re8 15. Nf5 g6 16. Nh6+ Kg7 17. Be3 Nd7 18. Rac1 f6 19. Nf5+ Kh8 20. Nxe7 Qxe7 21. exf6 Nxf6 22. Bd4 Kg8 23. Bd3 Nh5 24. Qg4 Qe6 25. Qg5 Qe7 26. Qh6 Qf8 27. Qxf8+ Rxf8 28. g3 Ng7 29. Rfe1 a6 30. f4 Rfe8 31. Be5 Rac8 32. Kf2 Kf7 33. Bxg7 Kxg7 34. Rxe8 Rxe8 35. Bxa6 Kf6 36. Bd3 Ra8 37. a3 Re8 38. Re1 Rc8 39. Re5 Rd8 40. Ke3 Ra8 41. Bc2 Rc8 42. Bb3 Bd7 43. Rxd5 Bf5 44. Rd6+ Kg7 45. Rb6 Re8+ 46. Kf2 Re7 47. Bd5 Bc8 48. g4 Kh6 49. Bf3 Rc7 50. h4 Rc2+ 51. Kg3 Rc7 52. h5 Rc1 53. g5+ Kg7 54. hxg6 hxg6 55. Be4 |
| ECO B90 in 1965 play it! porreca defeats black's galli in 65 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 O-O 9. f5 exf5 10. exf5 Nc6 11. O-O d5 12. Kh1 Bc5 13. Be3 Ba7 14. Bg1 Na5 15. Qf3 Nxb3 16. axb3 Qd7 17. Nce2 b5 18. b4 Re8 19. Rad1 Bb7 20. c3 Ne4 21. Ng3 Nxg3+ 22. Qxg3 Bb8 23. Qd3 Be5 24. Nb3 Rad8 25. Bb6 Rc8 26. Bd4 Qd6 27. Nc5 Ba8 28. f6 gxf6 29. Qf5 Rc7 30. Rd3 h6 31. Rh3 Kg7 32. Qg4+ Kh7 33. Rxh6+ |
| ECO B36 in 1969 play it! porreca defeats black's schonherr in 57 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Bg5 Bg7 9. Be2 O-O 10. Qd2 Be6 11. O-O Rc8 12. b3 b5 13. e5 dxe5 14. Nxb5 Qxd2 15. Bxd2 Ne4 16. Ba5 a6 17. Na7 Rce8 18. Rad1 Nd6 19. c5 Nf5 20. Bb6 Ra8 21. Bf3 Rab8 22. Nc6 Rbe8 23. Nd8 Nd4 24. Nxe6 Nxe6 25. b4 Nd4 26. Bb7 Ne2+ 27. Kh1 Nc3 28. Rd2 e4 29. c6 |
| ECO B28 in 1956 play it! porreca defeats black's magrin in 105 moves | 1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Bc5 7. Be2 Nf6 8. Nc3 Nd4 9. O-O Ne6 10. Be3 d6 11. Qd2 Bd7 12. Rad1 O-O 13. b4 Bxe3 14. Qxe3 Qc7 15. g3 Rfd8 16. f4 exf4 17. gxf4 Nf8 18. f5 Bc6 19. Rf2 Re8 20. Bf3 N8d7 21. Qf4 Ne5 22. Be2 b5 23. Rg2 Kh8 24. Ne3 bxc4 25. Rxg7 Rg8 26. Rg3 Rxg3+ 27. hxg3 Rg8 28. Kh2 Qe7 29. Rd4 Bb7 30. Qh4 Nfg4+ 31. Bxg4 Qxh4+ 32. gxh4 Nxg4+ 33. Nxg4 Rxg4 34. Rxd6 Bxe4 35. Rxa6 Rg2+ 36. Kh3 Bb7 37. Ra7 Rc2 38. Rxb7 Rxc3+ 39. Kg4 Kg7 40. Rc7 Rc1 41. Kg5 h6+ 42. Kh5 c3 43. a3 Kf6 44. Rc5 c2 45. a4 Rb1 46. Rxc2 Rxb4 47. Ra2 Rb6 48. a5 Ra6 49. Kg4 Ke5 50. Ra1 Ke4 51. Re1+ Kd4 52. Re7 Rxa5 53. Kf4 |
| ECO B96 in 1966 play it! porreca defeats black's gostovic in 93 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. O-O-O b5 10. e5 Bb7 11. Qh3 dxe5 12. Nxe6 Qb6 13. Nxf8 Nxf8 14. fxe5 Ne4 15. Nxe4 Bxe4 16. Bd3 Bd5 17. Bf5 Qb7 18. Qd3 Ne6 19. Qxd5 Qxd5 20. Rxd5 Nxg5 21. h4 Ne6 22. Bxe6 fxe6 23. Rd6 Ke7 24. Rhd1 Ra7 25. Rc6 Rf8 26. Rdd6 Rf1+ 27. Kd2 Rf2+ 28. Kd3 Rxg2 29. Rxe6+ Kf7 30. Rxa6 Rc7 31. Rec6 Re7 32. a4 bxa4 33. Rxa4 Rg3+ 34. Kd2 h5 35. Rf4+ Kg8 36. e6 g6 37. b4 g5 38. hxg5 Rxg5 39. c4 Kg7 40. b5 Kg6 41. b6 Re5 42. c5 Kg5 43. Rb4 h4 44. b7 Rd5+ 45. Kc3 Rxb7 46. Rxb7 h3 47. Rh7 |
| ECO B53 in 1983 play it! porreca defeats black's sorokin in 99 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qd2 g6 7. b3 Bg7 8. Bb2 Nf6 9. Nc3 O-O 10. Be2 Qa5 11. Rb1 a6 12. a3 Rfc8 13. O-O Bg4 14. Rfe1 Bxf3 15. Bxf3 b5 16. b4 Qb6 17. c5 dxc5 18. e5 cxb4 19. axb4 Ne8 20. Nd5 Qb8 21. Rbc1 Ra7 22. Rc5 e6 23. Nf6+ Bxf6 24. exf6 Rd8 25. Qh6 Nd4 26. Re4 Rad7 27. Kf1 Nxf6 28. Rf4 Ne8 29. Rh4 Nxf3 30. Qxh7+ Kf8 31. gxf3 Rd1+ 32. Kg2 R1d5 33. Rxd5 exd5 34. Qh6+ Ke7 35. Qg5+ Ke6 36. Rh8 Qd6 37. Qe3+ Kd7 38. Be5 Qe7 39. Qd4 Qg5+ 40. Bg3 Nc7 41. Rh7 Rf8 42. Qc5 Ne6 43. Qd6+ Ke8 44. Qc6+ Kd8 45. Rh4 Qf5 46. Qxa6 Ng5 47. Qb6+ Ke8 48. Qxb5+ Qd7 49. Qa6 Qf5 50. Qc6+ |
| ECO B94 in 1969 play it! porreca defeats black's sejfort in 85 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 g6 8. Qe2 Qc7 9. Bb3 Bg7 10. O-O-O O-O 11. Nd5 Nxd5 12. exd5 Nf6 13. h4 Qc5 14. h5 Nxh5 15. Be3 Qc7 16. Rxh5 gxh5 17. Qxh5 Qd7 18. Rh1 h6 19. Rh4 Qe8 20. Bxh6 f6 21. Qf3 Qg6 22. Be3 f5 23. Ne2 Be5 24. Nf4 Bxf4 25. Bxf4 Rf7 26. Rh5 Rg7 27. g3 Bd7 28. Bh6 Rh7 29. Rg5 Rxh6 30. Rxg6+ Rxg6 31. Qe3 Kf7 32. Qb6 Rh8 33. Qxb7 Rh1+ 34. Kd2 Be8 35. c4 Rh2 36. Ke1 Kf6 37. Bc2 Rh1+ 38. Kd2 Rh2 39. Ke3 Rg5 40. Qc8 Bf7 41. c5 f4+ 42. gxf4 Rxd5 43. c6 |
| ECO B97 in 1972 play it! porreca defeats black's capuano in 53 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Nc6 10. Bxf6 gxf6 11. Bd3 Qa3 12. O-O Bd7 13. Kh1 Rc8 14. Rae1 Nb4 15. e5 Nxd3 16. Qxd3 fxe5 17. fxe5 Bg7 18. Qg3 Bxe5 19. Rxe5 dxe5 20. Ne4 Rf8 21. Qxe5 f6 22. Nxf6+ Kd8 23. Rd1 Rxf6 24. Qxf6+ Qe7 25. Qh8+ Kc7 26. Qe5+ Kb6 27. Rd6+ |
| ECO B30 in 1966 play it! porreca defeats black's palmiotto in 57 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. d3 d6 6. O-O e5 7. Na3 f5 8. Re1 Nf6 9. exf5 Bxf5 10. Nxe5 Be6 11. Nf3 Kd7 12. Rxe6 Kxe6 13. Ng5+ Kd7 14. Nf7 Qe8 15. Nxh8 d5 16. Bf4 Bd6 17. Nc4 Bxf4 18. Nb6+ Kc7 19. Nxa8+ Kb7 20. c3 Qxh8 21. Qb3+ Kxa8 22. Qa4 Bc7 23. Qxa6+ Kb8 24. Qxc6 Qf8 25. Re1 Qd6 26. Qb5+ Ka7 27. g3 h5 28. f4 h4 29. f5 |
| ECO B94 in 1969 play it! porreca defeats black's sejfort in 85 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 g6 8. Qe2 Qc7 9. Bb3 Bg7 10. O-O-O O-O 11. Nd5 Nxd5 12. exd5 Nf6 13. h4 Qc5 14. h5 Nxh5 15. Be3 Qc7 16. Rxh5 gxh5 17. Qxh5 Qd7 18. Rh1 h6 19. Rh4 Qe8 20. Bxh6 f6 21. Qf3 Qg6 22. Be3 f5 23. Ne2 Be5 24. Nf4 Bxf4 25. Bxf4 Rf7 26. Rh5 Rg7 27. g3 Bd7 28. Bh6 Rh7 29. Rg5 Rxh6 30. Rxg6+ Rxg6 31. Qe3 Kf7 32. Qb6 Rh8 33. Qxb7 Rh1+ 34. Kd2 Be8 35. c4 Rh2 36. Ke1 Kf6 37. Bc2 Rh1+ 38. Kd2 Rh2 39. Ke3 Rg5 40. Qc8 Bf7 41. c5 f4 42. gxf4 Rxd5 43. c6 |
| ECO C22 in 1969 play it! porreca defeats black's cappello in 77 moves | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 g6 5. Bd2 Bg7 6. Nc3 Nf6 7. O-O-O O-O 8. Bc4 d6 9. f4 Rb8 10. Nf3 Bd7 11. h3 Na5 12. Bd3 b5 13. e5 Ne8 14. Ne4 b4 15. Be1 Qc8 16. Bh4 f6 17. exf6 Nxf6 18. Nxf6+ Rxf6 19. Bxf6 Bxf6 20. f5 c5 21. fxg6 Qf8 22. Qe4 Kh8 23. Kb1 Qg7 24. gxh7 c4 25. Bxc4 Bf5 26. Qxf5 Nxc4 27. Nd2 Nxb2 28. Rdf1 Bd4 29. Qg4 Na4 30. Qxg7+ Bxg7 31. Rf7 Nc3+ 32. Kb2 Kxh7 33. Rxa7 Nb5+ 34. Rxg7+ Kxg7 35. Rf1 d5 36. Rf4 Na7 37. h4 Nc6 38. g4 Re8 39. Rf5 |
| ECO C55 in 1967 play it! porreca defeats black's smrcka in 53 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nbd2 O-O 6. c3 d6 7. Bb3 Na5 8. Bc2 c5 9. Nf1 h6 10. Ne3 Re8 11. h3 Bf8 12. Nh2 d5 13. Nhg4 Nxg4 14. hxg4 dxe4 15. Ba4 Bd7 16. dxe4 b5 17. Bc2 Bc6 18. Qf3 Nb7 19. g5 Qxg5 20. Nf5 Qg6 21. Rh3 Kh8 22. Rg3 Qe6 23. Qg4 g6 24. Bxh6 Bxh6 25. Rh3 gxf5 26. Qg5 Bxe4 27. O-O-O |
| ECO C57 in 1966 play it! porreca defeats black's montanelli in 85 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. h4 h6 9. Ne4 Ne6 10. d4 exd4 11. Bxb5+ Bd7 12. Qa4 c5 13. O-O Nb6 14. Bxd7+ Nxd7 15. b4 cxb4 16. cxd4 Be7 17. d5 Nd4 18. Qd1 Nf5 19. d6 Bxh4 20. Qd5 g6 21. g3 O-O 22. Bb2 Kh7 23. gxh4 Qxh4 24. Nbd2 Rae8 25. Rae1 Re6 26. Re3 Nxd6 27. Nxd6 Rxe3 28. fxe3 Qg3+ 29. Qg2 Qxd6 30. Ne4 Qe7 31. Rd1 f6 32. Qh3 Nb6 33. Qg2 Rf7 34. Rd6 Nd7 35. Qf3 Kg7 36. Qf4 Rf8 37. Bd4 a5 38. Rxd7 Qxd7 39. Nxf6 Qc8 40. Nd7+ Kg8 41. Nxf8 Qxf8 42. Qe5 a4 43. Qh8+ |
| ECO C57 in 1966 play it! porreca defeats black's montanelli in 85 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. h4 h6 9. Ne4 Ne6 10. d4 exd4 11. Bxb5+ Bd7 12. Qa4 c5 13. O-O Nb6 14. Bxd7+ Nxd7 15. b4 cxb4 16. cxd4 Be7 17. d5 Nd4 18. Qd1 Nf5 19. d6 Bxh4 20. Qd5 g6 21. g3 O-O 22. Bb2 Kh7 23. gxh4 Qxh4 24. Nbd2 Rae8 25. Rae1 Re6 26. Re3 Nxd6 27. Nxd6 Rxe3 28. fxe3 Qg3+ 29. Qg2 Qxd6 30. Ne4 Qe7 31. Rd1 f6 32. Qh3 Nb6 33. Qg2 Rf7 34. Rd6 Nd7 35. Qf3 Kg7 36. Qf4 Rf8 37. Bd4 a5 38. Rxd7 Qxd7 39. Nxf6 Qc8 40. Nd7 Kg8 41. Nxf8 Qxf8 42. Qe5 a4 43. Qh8+ |