| ECO A04 in 1993 play it! szmetan jorge defeats black's zambenetti victo in 51 moves | 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. h3 Nf6 5. Nc3 O-O 6. Be3 c6 7. a4 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. O-O Qc7 11. f4 e5 12. dxe5 dxe5 13. f5 gxf5 14. Rxf5 Nf8 15. Rf2 Ne6 16. Qf1 Qe7 17. Bc4 Nh5 18. Kh2 Qh4 19. Ne2 Nef4 20. Rf3 Kh8 21. g3 Qxh3+ 22. Qxh3 Nxh3 23. Bxf7 Bg4 24. Raf1 Bxf3 25. Rxf3 Rf8 26. Bxh5 |
| ECO A04 in 1975 play it! szmetan jorge defeats black's gamarra caceres in 113 moves | 1. Nf3 g6 2. g3 Bg7 3. d4 Nf6 4. Bg2 O-O 5. O-O c5 6. d5 e6 7. c4 exd5 8. cxd5 d6 9. Nc3 Qe7 10. Nd2 Nbd7 11. a4 b6 12. Nc4 Ne5 13. Na3 Ba6 14. Ncb5 Bxb5 15. axb5 a6 16. Qb3 axb5 17. Qxb5 Rfb8 18. Bd2 Ne8 19. Nc2 Nc7 20. Qb3 b5 21. Ne3 c4 22. Qc2 Nd7 23. Bc3 Nc5 24. Bxg7 Kxg7 25. h4 Nb3 26. Rxa8 Rxa8 27. h5 Ne8 28. Ng4 f5 29. Nh2 Ra2 30. Qb1 Ra7 31. Qc2 Qf6 32. hxg6 hxg6 33. e3 Ra2 34. Rb1 Nc5 35. Nf3 Na4 36. Nd4 Nc7 37. Nxb5 Nxb5 38. Qxc4 Rxb2 39. Rxb2 Qxb2 40. Qxa4 Nc3 41. Qd7+ Kh6 42. Qxd6 Ne2+ 43. Kh2 Qa1 44. Qf8+ Kh7 45. Qf7+ Kh6 46. Qg8 Qg1+ 47. Kh3 Qa1 48. d6 g5 49. Qe6+ Kh5 50. g4+ fxg4+ 51. Qxg4+ Kg6 52. Be4+ Kf6 53. Qf5+ Kg7 54. Qh7+ Kf8 55. Qe7+ Kg8 56. Bd5+ Kh8 57. Qf8+ |
| ECO A04 in 1990 play it! szmetan jorge defeats black's del castillo gus in 121 moves | 1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O e5 6. Nc3 Nge7 7. a3 a6 8. Rb1 Rb8 9. b4 cxb4 10. axb4 b5 11. c5 d5 12. cxd6 Qxd6 13. d3 f5 14. Be3 Nd4 15. Qd2 h6 16. Nxd4 exd4 17. Bf4 Be5 18. Bxe5 Qxe5 19. Na2 Be6 20. Rbc1 O-O 21. Rc5 Qd6 22. Nc1 a5 23. e3 axb4 24. Qxb4 Rfd8 25. Re1 dxe3 26. fxe3 Nd5 27. Qd4 Ne7 28. Ne2 Bf7 29. Rb1 b4 30. Qxd6 Rxd6 31. Nd4 b3 32. Ra5 Rdb6 33. Rb2 Rc8 34. Kf2 Rd8 35. Ke2 Nd5 36. Kd2 f4 37. gxf4 Nxf4 38. Be4 Nd5 39. Ne2 Nf6 40. Bf3 g5 41. Nd4 Rc8 42. Bd1 Rcb8 43. Ra3 Kg7 44. Ra7 Kf8 45. Nf5 R6b7 46. Rxb7 Rxb7 47. Nd6 Ra7 48. Nxf7 Kxf7 49. Bxb3+ Kg7 50. Be6 Ra1 51. Bf5 Rh1 52. Kc3 Rf1 53. e4 Re1 54. Kd4 g4 55. Ke5 Ne8 56. Rb7+ Kf8 57. Bxg4 Rg1 58. h3 Ng7 59. d4 h5 60. Bf5 Ne8 61. d5 |
| ECO A04 in 2003 play it! szmetan jorge defeats black's herman diego in 62 moves | 1. Nf3 d6 2. d4 g6 3. g3 f5 4. Bg2 Nf6 5. O-O Bg7 6. b3 O-O 7. Bb2 Ne4 8. Nfd2 Nxd2 9. Nxd2 c5 10. Nc4 cxd4 11. Bxd4 Nc6 12. Bd5+ Kh8 13. Bxg7+ Kxg7 14. Qd2 Bd7 15. Qc3+ Rf6 16. Rad1 Rc8 17. Qb2 Qc7 18. Bg2 Be6 19. Ne3 Ne5 20. c4 f4 21. gxf4 Rxf4 22. Nd5 Bxd5 23. Bxd5 Qd7 24. e3 Qg4+ 25. Kh1 Rf3 26. Rg1 Qh5 27. Qe2 Rcf8 28. Rg2 Rxf2 29. Qxh5 Rf1+ 30. Rg1 Rxd1 31. Qxd1 Rf2 |
| ECO A09 in 2003 play it! szmetan jorge defeats black's tenti joaquin in 93 moves | 1. Nf3 d5 2. c4 c6 3. d4 e6 4. Bg5 Nf6 5. Nc3 Be7 6. e3 Nbd7 7. Bd3 h6 8. Bh4 O-O 9. O-O Re8 10. Qe2 Qc7 11. e4 dxc4 12. Bxc4 e5 13. Bg3 Bd6 14. Rad1 exd4 15. Bxd6 Qxd6 16. Nxd4 Qf4 17. g3 Qg4 18. f3 Qh5 19. g4 Qg6 20. Nf5 Ne5 21. Nd6 Rf8 22. Bb3 h5 23. Nxc8 Raxc8 24. h3 hxg4 25. hxg4 Qg5 26. f4 Qxg4+ 27. Qxg4 Nexg4 28. e5 Nh5 29. Rd7 Rb8 30. Ne4 Nh6 31. Ng5 a5 32. Rc7 b5 33. Rxc6 a4 34. Bd5 Ng3 35. Re1 Ngf5 36. e6 Nd4 37. exf7+ Kh8 38. Rc7 Rbd8 39. Re5 Ng4 40. Be4 Nxe5 41. fxe5 b4 42. e6 Nxe6 43. Nxe6 Rd1+ 44. Kg2 a3 45. Nxf8 axb2 46. Ng6+ Kh7 47. Nf4+ |
| ECO A09 in 1992 play it! szmetan jorge defeats black's soppe guillermo in 65 moves | 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. e3 Nc6 8. Qe2 Qa5 9. Bb2 dxc4 10. bxc4 Rd8 11. Nc3 Bd7 12. Rfd1 Be8 13. Rab1 a6 14. Ba1 Rab8 15. d4 cxd4 16. exd4 Bb4 17. Qc2 Be7 18. h4 Nb4 19. Qe2 Bf8 20. Ne5 Nc6 21. Nxc6 Bxc6 22. d5 exd5 23. Nxd5 Nxd5 24. cxd5 Bb5 25. Qh5 Bd7 26. Be5 Qxa2 27. Bxb8 Rxb8 28. d6 g6 29. Qg5 Re8 30. Qf4 Qa4 31. Rd4 Qc2 32. Rxb7 Bc6 33. Qxf7+ |
| ECO A05 in 1991 play it! szmetan jorge defeats black's mellano santiago in 78 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d6 7. Nc3 Qa5 8. h3 Be6 9. Nd2 Qh5 10. g4 Qa5 11. d5 cxd5 12. Nb3 Qa6 13. cxd5 Bd7 14. e4 b5 15. a3 Qc8 16. Qd3 Qc4 17. Qxc4 bxc4 18. Nd2 Rc8 19. Re1 h5 20. g5 Ne8 21. Bf1 Na6 22. Re3 Bd4 23. Rf3 Nc5 24. Bxc4 a5 25. Rb1 a4 26. Bf1 Rab8 27. Na2 f5 28. Bd3 fxe4 29. Nxe4 Nxd3 30. Rxd3 Be5 31. Nb4 Rc4 32. f3 e6 33. Be3 Kf7 34. Nd2 Rcc8 35. Bd4 Bxd4+ 36. Rxd4 e5 37. Rh4 Bf5 38. Re1 Rc5 39. f4 Rc2 |
| ECO A05 in 1973 play it! szmetan jorge defeats black's morgado juan seb in 45 moves | 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. e3 Be7 6. Bd3 d5 7. O-O O-O 8. b3 Ne4 9. Bb2 Nd7 10. Rc1 a6 11. Qc2 f5 12. cxd5 exd5 13. Ne2 Bd6 14. Ne5 Rf6 15. f3 Rh6 16. fxe4 fxe4 17. Bxe4 Bxe5 18. dxe5 Qh4 19. h3 Qxe4 20. Qxe4 dxe4 21. Rxc7 Bc6 22. Nd4 Nxe5 23. Nxc6 |
| ECO A09 in 1987 play it! szmetan jorge defeats black's per granda zunig in 59 moves | 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d4 7. e3 Nc6 8. Bb2 e5 9. exd4 exd4 10. d3 Bf5 11. Re1 Bb4 12. Re2 Bc5 13. Na3 Nb4 14. Nb5 Nxd3 15. Bxd4 Ne4 16. Qxd3 Nxg3 17. Qe3 Bxd4 18. Nfxd4 Nxe2+ 19. Qxe2 Re8 20. Qf3 Be4 21. Qf4 Bxg2 22. Kxg2 Re7 23. Nf5 Rd7 24. Re1 g6 25. Nh6+ Kg7 26. Ng4 g5 27. Qf5 c6 28. Ne5 Rd2 29. Qxf7+ Kh8 30. Nc7 |
| ECO A05 in 1993 play it! szmetan jorge defeats black's ippoliti horacio in 55 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. d4 d6 6. d5 Ne5 7. Nxe5 dxe5 8. Nc3 O-O 9. O-O Rb8 10. Qa4 a6 11. Rd1 b5 12. cxb5 axb5 13. Qb4 Bd7 14. Be3 Ne8 15. Ne4 h6 16. Nc5 Nd6 17. Rac1 Nc4 18. Ne6 Qc8 19. Nxf8 Bxf8 20. Bc5 Qe8 21. b3 Nd6 22. Bxd6 cxd6 23. Rc7 Bg7 24. Rdc1 f5 25. Ra7 Bf6 26. Rcc7 Rd8 27. e3 g5 28. Bf1 |
| ECO A05 in 2003 play it! szmetan jorge defeats black's johnson leonard in 61 moves | 1. Nf3 Nf6 2. c4 d6 3. g3 e5 4. Bg2 Nc6 5. d4 Be7 6. Nc3 O-O 7. O-O Bg4 8. d5 Nb8 9. h3 Bh5 10. Nh4 Re8 11. Nf5 Bf8 12. Qb3 Qc8 13. e4 Nbd7 14. Qc2 a5 15. Rb1 Nc5 16. g4 Bg6 17. Be3 Nfd7 18. b3 f6 19. a3 Bf7 20. b4 axb4 21. axb4 Na6 22. Qd2 c5 23. dxc6 bxc6 24. Nxd6 Bxd6 25. Qxd6 Bxc4 26. Rfc1 Nc7 27. Qxc6 Bd3 28. Nd5 Ra6 29. Qxc7 Bxb1 30. Qxc8 Rxc8 31. Rxc8+ |
| ECO A07 in 1993 play it! szmetan jorge defeats black's schweber samuel in 79 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c5 5. c3 cxd4 6. cxd4 Nc6 7. Nc3 e6 8. O-O Nge7 9. b3 O-O 10. Ba3 Re8 11. Qd2 Nf5 12. e3 b6 13. Rfd1 Ba6 14. Rac1 Rc8 15. Ne1 h5 16. Nd3 h4 17. g4 h3 18. Bxh3 Qh4 19. Kg2 Nh6 20. f3 Bxd3 21. Qxd3 e5 22. Nb5 exd4 23. exd4 Re6 24. Rd2 Bf8 25. Bxf8 Kxf8 26. Re2 Rce8 27. Rxe6 Rxe6 28. Nc7 Rd6 29. Qe3 Ng8 30. Rxc6 Rxc6 31. Qe8+ Kg7 32. Qxc6 Qe7 33. Qc2 Nf6 34. Nb5 a6 35. Nc3 Qe3 36. Na4 b5 37. Nc5 Qxd4 38. Nxa6 Qe3 39. Nb4 d4 40. Qd3 |
| ECO A05 in 2003 play it! szmetan jorge defeats black's ezat mohamed mah by checkmate in 97 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. d3 Nc6 10. a3 b6 11. Be3 Bb7 12. d4 Nxd4 13. Bxd4 cxd4 14. Rc1 Rac8 15. Qa4 Rxc1 16. Rxc1 Qa5 17. Qxa5 bxa5 18. Rc7 Rb8 19. Rxe7 Bf6 20. Rd7 a4 21. h4 h6 22. g4 Bc8 23. Rd6 Bg7 24. Rd8+ Kh7 25. g5 d3 26. exd3 Bxb2 27. Bh3 Bxh3 28. Rxb8 Bxa3 29. Rb7 Bc5 30. Rxf7+ Kg8 31. Rc7 Bb6 32. Rc4 a3 33. Ra4 Bc5 34. d4 Bd6 35. gxh6 Be6 36. Ng5 Bd5 37. Ra5 a2 38. Rxa7 Bb4 39. Kh2 Bc3 40. h7+ Kh8 41. Rc7 Be6 42. Re7 Bd7 43. Rxd7 Ba5 44. Ra7 Bd8 45. Ra8 Kg7 46. Rxd8 Kf6 47. h8=Q+ Kf5 48. Kg3 a1=Q 49. Qe5# |
| ECO A04 in 2007 play it! szmetan jorge defeats black's aparicio anibal in 60 moves | 1. Nf3 g6 2. e4 Bg7 3. d4 c6 4. h3 d6 5. a4 Nf6 6. Nc3 O-O 7. Be3 Qb6 8. a5 Qc7 9. Nd2 Be6 10. Be2 d5 11. e5 Nfd7 12. b4 f6 13. exf6 Nxf6 14. O-O Nbd7 15. f4 Kh8 16. Nf3 Qd6 17. Qd2 Nh5 18. Ne5 Ng3 19. Rfb1 Nf6 20. Bf3 Nfh5 21. b5 Bh6 22. a6 b6 23. bxc6 Bxf4 24. Nb5 Qd8 25. c4 Bxe5 26. dxe5 Rxf3 27. gxf3 Qf8 28. Qf2 dxc4 29. Nc7 Bxh3 30. Nxa8 Qxa8 |
| ECO A05 in 2003 play it! szmetan jorge defeats black's mensing fabio in 67 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 d5 8. Ne5 Nbd7 9. Qa4 Nxe5 10. dxe5 Ne8 11. cxd5 exd5 12. Nxd5 Bxd5 13. Rd1 c6 14. e4 b5 15. Qc2 Rc8 16. exd5 cxd5 17. Qb3 d4 18. Qxb5 Nc7 19. Qa5 Ne6 20. Qxa7 Bc5 21. Qb7 Bb6 22. b4 Rc2 23. Qe4 Qc7 24. Bf1 f5 25. Qd5 Qc8 26. Bd3 Rc3 27. f4 Rd8 28. Qf3 Nc7 29. a4 Nd5 30. a5 Nxb4 31. axb6 Nxd3 32. b7 Qc7 33. Ra8 Nb4 34. Rxd8+ |
| ECO A05 in 1993 play it! szmetan jorge defeats black's german pablo in 86 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. Rb1 exd4 10. Nxd4 Re8 11. h3 Nc5 12. Re1 a5 13. Qc2 Qc7 14. Be3 Bd7 15. b3 Re7 16. Rbd1 Rd8 17. a3 Bc8 18. Qb1 h6 19. b4 axb4 20. axb4 Ne6 21. Qc1 Nxd4 22. Bxd4 Be6 23. Ne2 c5 24. bxc5 dxc5 25. Be3 Red7 26. Rxd7 Nxd7 27. Nf4 Ne5 28. Nxe6 fxe6 29. Qc2 b6 30. f4 Nd3 31. Rf1 Nb4 32. Qe2 Rd3 33. e5 Ra3 34. Be4 Qf7 35. Rd1 Bf8 36. Bf2 h5 37. Rd8 Ra1+ 38. Kg2 Kg7 39. h4 Qc7 40. Qd2 Ra7 41. Re8 Kf7 42. Bxg6+ Kxg6 43. Rxf8 Qc6+ |
| ECO A05 in 1992 play it! szmetan jorge defeats black's vidal raul in 63 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 a5 9. h3 c6 10. Be3 Qe7 11. Qc2 Ne8 12. Rfe1 f5 13. exf5 gxf5 14. c5 e4 15. cxd6 Nxd6 16. Bf4 Nf7 17. Rad1 a4 18. Nh2 a3 19. b3 Qb4 20. Qd2 Nc5 21. Nxe4 Qxd2 22. Nxd2 Nd3 23. Re2 Nxf4 24. gxf4 Bxd4 25. Nc4 Bg7 26. Nf3 b5 27. Nce5 Re8 28. Rc2 Be6 29. Nd4 Nxe5 30. fxe5 Red8 31. Rcd2 Bd5 32. Nxc6 |
| ECO A05 in 2000 play it! szmetan jorge defeats black's nielsen peter he in 68 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bg2 O-O 6. O-O c5 7. e3 b6 8. Qe2 Bb7 9. Rd1 Nc6 10. Bb2 Qc7 11. Nc3 a6 12. cxd5 exd5 13. d4 cxd4 14. Nxd4 Nxd4 15. Rxd4 Rfd8 16. Rad1 Bc5 17. R4d2 Bb4 18. Rc2 Qe7 19. Na4 Qe6 20. Rc7 Rab8 21. Bd4 b5 22. Nc5 Bxc5 23. Rxc5 Ne4 24. Rc7 Rdc8 25. Rdc1 b4 26. Qh5 Nc3 27. Rxc8+ Rxc8 28. Rc2 a5 29. Bh3 Qe4 30. Bxc8 Bxc8 31. Qe5 Ne2+ 32. Rxe2 Qb1+ 33. Kg2 Bh3+ 34. Kxh3 Qf1+ |
| ECO A04 in 1993 play it! szmetan jorge defeats black's borghi humberto in 55 moves | 1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 e5 5. dxe4 Bb4+ 6. Nd2 h6 7. Nf3 O-O 8. c3 Bc5 9. b4 Bb6 10. Nc4 d5 11. Nxb6 axb6 12. exd5 e4 13. Ne5 Re8 14. Ng6 Bg4 15. Qb3 Bh5 16. Nf4 Bf7 17. c4 b5 18. cxb5 c6 19. bxc6 bxc6 20. Ne6 Qe7 21. Nd4 cxd5 22. Bb5 Rf8 23. O-O Nbd7 24. Bb2 Ne5 25. a4 Nc4 26. Bxc4 dxc4 27. Qe3 Qxb4 28. Ba3 |
| ECO A05 in 1973 play it! szmetan jorge defeats black's cuasnicu oscar in 113 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Qe2 Re8 10. Rd1 Bf8 11. Nc3 Ne4 12. d3 Nxc3 13. Bxc3 c5 14. cxd5 exd5 15. d4 Rc8 16. dxc5 bxc5 17. Qb2 Qe7 18. Ne1 Nb6 19. a4 Rcd8 20. a5 Nc8 21. Ra4 Bc6 22. Raa1 Qg5 23. b4 Nd6 24. bxc5 Nc4 25. Qe2 Bxc5 26. Bd4 Qe7 27. Bxc5 Qxc5 28. Nd3 Qe7 29. Nf4 Qc5 30. Nd3 Qe7 31. Nf4 Qc5 32. Qg4 Ne5 33. Qh5 g6 34. Qe2 Nc4 35. h4 Rd7 36. Qc2 Red8 37. Qc3 h5 38. Rd4 Qb5 39. e4 Nd6 40. Bf1 Qb7 41. exd5 Bb5 42. Bh3 Rc7 43. Qf3 Be8 44. Re1 Qb2 45. Rd3 Bb5 46. Rde3 Qd2 47. Qd1 Qxa5 48. Re5 Qa4 49. Qf3 Bd7 50. Bf1 Bg4 51. Qe3 Nf5 52. Rxf5 Bxf5 53. Nxh5 Rd6 54. Qe5 gxh5 55. Qxd6 Qd7 56. Qf6 Bg6 57. Bh3 |