| ECO A09 in 1992 play it! szmetan jorge defeats black's dotta juan in 89 moves | 1. Nf3 d5 2. c4 c6 3. d4 Bf5 4. Nc3 e6 5. Qb3 Qe7 6. a3 Nf6 7. Bf4 dxc4 8. Qxc4 Nbd7 9. h3 Ne4 10. e3 g5 11. Bh2 Bg7 12. Qb3 Ndf6 13. Ne5 O-O 14. g4 Bg6 15. Bg2 Nd6 16. O-O Nd5 17. Rfc1 Rfd8 18. Na4 Rac8 19. Nc5 b6 20. Nxg6 hxg6 21. Nd3 Nb7 22. Be5 c5 23. Bxg7 Kxg7 24. Qa4 cxd4 25. Rxc8 Rxc8 26. Qxd4+ Qf6 27. Qxf6+ Kxf6 28. e4 Nf4 29. e5+ Ke7 30. Nxf4 gxf4 31. Bxb7 Rc2 32. b4 Re2 33. Rc1 Rxe5 34. Rc7+ Kf6 35. Ba6 Rd5 36. Bf1 a5 37. bxa5 bxa5 38. Ra7 Re5 39. a4 Rc5 40. Bb5 f3 41. Kh2 e5 42. Rxa5 Kg5 43. Kg3 e4 44. h4+ Kf6 45. Kf4 |
| ECO A05 in 2003 play it! szmetan jorge defeats black's erichsen dan by checkmate in 71 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c6 5. Bg2 Nbd7 6. O-O Bd6 7. Bb2 O-O 8. d3 Re8 9. Nbd2 b6 10. Qc2 Bb7 11. e4 dxe4 12. dxe4 Qb8 13. Rad1 c5 14. Rfe1 Ne5 15. Nxe5 Bxe5 16. Bxe5 Qxe5 17. Nf3 Qc7 18. e5 Nd7 19. Ng5 g6 20. Bxb7 Qxb7 21. Ne4 Qc7 22. Rxd7 Qxe5 23. Qc3 Qxc3 24. Nxc3 Kg7 25. Red1 e5 26. Nb5 Rf8 27. Rb7 Rac8 28. Rdd7 Rc6 29. Nd6 e4 30. Nxf7 Kf6 31. h4 h6 32. Nxh6 Re6 33. Ng4+ Kf5 34. Ne3+ Ke5 35. Rd5+ Kf6 36. Ng4# |
| ECO A04 in 1993 play it! szmetan jorge defeats black's biaggi eduardo in 81 moves | 1. Nf3 g6 2. g3 Bg7 3. d4 d6 4. Bg2 Nd7 5. c4 e5 6. Nc3 Nh6 7. h4 f6 8. h5 Nf7 9. Nh4 Nf8 10. e4 c6 11. d5 c5 12. Bh3 Bxh3 13. Rxh3 Qd7 14. Rh1 Bh6 15. f4 O-O-O 16. fxe5 fxe5 17. Rf1 Bxc1 18. Rxc1 Rg8 19. Rc2 Re8 20. Rcf2 Nd8 21. Rf6 a6 22. hxg6 hxg6 23. a3 Kc7 24. b4 cxb4 25. axb4 Nh7 26. R6f3 Ref8 27. c5 Rxf3 28. Rxf3 Rg7 29. Qa1 Kb8 30. b5 dxc5 31. bxa6 bxa6 32. Qxa6 Qa7 33. Qxa7+ Kxa7 34. Nb5+ Kb6 35. Nd6 Ng5 36. Rf6 Ka5 37. Nc4+ Kb4 38. Nxe5 Nxe4 39. Rf4 g5 40. Rxe4+ Kc3 41. Nf5 |
| ECO A05 in 2003 play it! szmetan jorge defeats black's barredo luis in 107 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c5 7. Nc3 Nc6 8. d5 Na5 9. Nd2 e5 10. Qc2 Nh5 11. e4 f5 12. exf5 gxf5 13. b3 a6 14. Bb2 Rb8 15. Ne2 b5 16. Bc3 f4 17. Rab1 b4 18. Bb2 Bf5 19. Be4 Qd7 20. Bxf5 Rxf5 21. f3 fxg3 22. hxg3 Rbf8 23. Qd3 Bh6 24. Ne4 Nb7 25. Kg2 Qg7 26. Rf2 Qg6 27. Rh1 Nd8 28. Rh4 Nf4+ 29. Nxf4 Bxf4 30. Rg4 Rg5 31. Rxg5 Bxg5 32. Rf1 Nf7 33. Rh1 Bh6 34. Rh4 Kh8 35. Rg4 Qf5 36. Nf2 Qxd3 37. Nxd3 Bg7 38. Nf2 Nh6 39. Rg5 Nf5 40. Ne4 Ne3+ 41. Kh3 Nd1 42. Bc1 Rxf3 43. Nxd6 Rc3 44. Bd2 Nf2+ 45. Kg2 Rc2 46. Nf5 Rxd2 47. Rxg7 Ne4+ 48. Kh3 Nd6 49. Rg5 Nxf5 50. Rxf5 e4 51. Re5 Rxa2 52. d6 Rd2 53. Rd5 e3 54. d7 |
| ECO A04 in 2001 play it! szmetan jorge defeats black's ruiz p in 45 moves | 1. Nf3 e6 2. c4 c5 3. g3 Nf6 4. Bg2 d5 5. O-O Nc6 6. b3 Be7 7. e3 O-O 8. Qe2 b6 9. Bb2 Qc7 10. Ne1 Ba6 11. f4 Rad8 12. g4 Ne8 13. g5 Nd6 14. Rf3 dxc4 15. Rh3 g6 16. Qf3 Nd4 17. exd4 cxd4 18. Bxd4 Nf5 19. Be5 Qc5+ 20. Kh1 Bxg5 21. Nc3 Be7 22. Ne4 Qd5 23. Bf6 |
| ECO A04 in 1994 play it! szmetan jorge defeats black's arambel sergio in 79 moves | 1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nc3 e6 6. d3 Nge7 7. Bf4 e5 8. Bd2 O-O 9. O-O Rb8 10. a3 a6 11. Qa4 Nd4 12. Nxd4 cxd4 13. Ne4 d5 14. cxd5 Nxd5 15. Qb3 b6 16. Bg5 Qd7 17. Nc5 Qg4 18. h4 h6 19. Bf3 Qh3 20. Bxd5 hxg5 21. hxg5 Bg4 22. Nxa6 Rbe8 23. Rfe1 Qh5 24. Qxb6 Qxg5 25. Nb4 Kh7 26. Nc6 Qf6 27. b4 Bh6 28. Qc5 Bd2 29. b5 Bxe1 30. Rxe1 Bd7 31. a4 Kg7 32. a5 Rh8 33. Bg2 Bh3 34. Qd5 Bxg2 35. Qxg2 Rh6 36. a6 Reh8 37. Rf1 Rh1+ 38. Qxh1 Rxh1+ 39. Kxh1 Qd6 40. Kg1 |
| ECO A04 in 2003 play it! szmetan jorge defeats black's marinova zhana in 51 moves | 1. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. Nc3 e5 5. g3 c6 6. e4 Be7 7. Bg2 Qc7 8. O-O Nf8 9. h3 Ng6 10. Be3 O-O 11. Qc2 Ne8 12. c5 f5 13. cxd6 Bxd6 14. exf5 Bxf5 15. Qb3+ Kh8 16. Rac1 Qd7 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Rfd1 Qe6 20. Qxe6 Bxe6 21. Bc5 Rf7 22. Re1 Bxc3 23. Rxc3 Nc7 24. Rce3 Rg8 25. Rxe6 Nxe6 26. Rxe6 |
| ECO A09 in 1996 play it! szmetan jorge defeats black's de las heras jua in 52 moves | 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 a6 5. Qb3 e6 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 O-O 9. Qc2 dxc4 10. Bxc4 c5 11. O-O b5 12. Bd3 c4 13. Be2 Bb7 14. e4 b4 15. e5 bxc3 16. exf6 Bxf6 17. Bxf6 Qxf6 18. bxc3 Bd5 19. Qa4 Rfd8 20. Rab1 h5 21. Qc2 e5 22. Qd2 e4 23. Ne1 Qg6 24. Nc2 h4 25. Ne3 h3 26. f3 Nb6 |
| ECO A04 in 1992 play it! szmetan jorge defeats black's rodriguez andres in 60 moves | 1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 e3 5. Bxe3 e5 6. d4 Nc6 7. Nc3 Bb4 8. dxe5 Nxe5 9. Qd4 Qe7 10. O-O-O c5 11. Qh4 Bxc3 12. bxc3 b6 13. f4 Ng6 14. Qg3 O-O 15. Bc4+ d5 16. Rxd5 Kh8 17. Rdd1 Nh5 18. Qf3 Bg4 19. Qxg4 Qxe3+ 20. Kb2 Nhxf4 21. Qg3 Qe7 22. Rhe1 Ne5 23. Nf7+ Rxf7 24. Bxf7 Qf6 25. Qe3 Re8 26. Qxe5 Rxe5 27. Rxe5 h5 28. Re8+ Kh7 29. Bg8+ Kh6 30. g3 Ng6 |
| ECO A05 in 1994 play it! szmetan jorge defeats black's diaz nahuel in 71 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 c5 7. e3 O-O 8. d4 cxd4 9. exd4 d6 10. d5 e5 11. Nh4 Re8 12. f4 Nbd7 13. Nf5 Bf8 14. fxe5 Rxe5 15. Qc2 Qc7 16. b3 a6 17. a4 Rc8 18. Bb2 g6 19. Nd4 Bg7 20. Nc6 Ree8 21. Rae1 Nb8 22. Ne2 Nfd7 23. Bxg7 Kxg7 24. Qc3+ Ne5 25. Nxe5 Rxe5 26. Nf4 Nd7 27. Nd3 Kg8 28. Nxe5 Nxe5 29. Rf6 Kg7 30. Rxd6 Qxd6 31. Qxe5+ Qxe5 32. Rxe5 Kf6 33. Re2 Rd8 34. Kf2 Rd7 35. Re8 b5 36. Ke3 |
| ECO A05 in 2002 play it! szmetan jorge defeats black's escandell juan c in 64 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. cxd5 Nxd5 7. d4 Nb6 8. Nc3 Nc6 9. e3 Re8 10. d5 Na5 11. Nd4 Bd7 12. b4 Nac4 13. Qb3 a5 14. Rd1 Qc8 15. b5 a4 16. Qc2 Bh3 17. Rb1 Bxg2 18. Kxg2 Qd7 19. Rb4 Qd6 20. a3 Red8 21. Nde2 Qc5 22. Kg1 Nd6 23. e4 Ndc4 24. Nb1 e6 25. Be3 Qe7 26. Rxc4 Nxc4 27. Qxc4 exd5 28. exd5 Be5 29. Nec3 Ra5 30. Nxa4 Rda8 31. Nac3 Bxc3 32. Nxc3 Rxa3 |
| ECO A05 in 1990 play it! szmetan jorge defeats black's del rey diego in 59 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 Bf5 8. Nh4 Be6 9. d5 cxd5 10. cxd5 Bd7 11. Be3 a5 12. Bd4 a4 13. e4 Qa5 14. f4 Ng4 15. h3 Bxd4+ 16. Qxd4 Nh6 17. e5 Qa7 18. Rad1 Qxd4+ 19. Rxd4 Rd8 20. g4 Kg7 21. exd6 exd6 22. Ne4 Bb5 23. Rf2 Na6 24. g5 Nf5 25. Nxf5+ gxf5 26. Ng3 Bd7 27. h4 h6 28. Bh3 Nc5 29. Bxf5 Bxf5 30. Nxf5+ |
| ECO A09 in 1993 play it! szmetan jorge defeats black's schweber samuel in 79 moves | 1. Nf3 d5 2. c4 e6 3. g3 g6 4. Bg2 Bg7 5. O-O Ne7 6. d4 O-O 7. Qc2 Nbc6 8. Rd1 Nf5 9. e3 a5 10. b3 Bd7 11. Bb2 Nb4 12. Qe2 Nd6 13. Ne5 c6 14. Nc3 f5 15. Na4 Be8 16. f3 Na6 17. e4 Nc7 18. Ba3 b5 19. cxb5 cxb5 20. Nc5 b4 21. Bb2 Qe7 22. exf5 exf5 23. Re1 f4 24. Qd2 Qd8 25. g4 Bf6 26. a3 Bh4 27. Rec1 Rb8 28. axb4 axb4 29. Ra7 Ndb5 30. Rb7 Rxb7 31. Nxb7 Qe7 32. Nc5 h5 33. gxh5 gxh5 34. Qxb4 Kh8 35. Ncd3 Qg7 36. Kh1 Rg8 37. Qd2 Ne6 38. Nb4 Nbxd4 39. Nec6 Nxc6 40. Rxc6 |
| ECO A04 in 1985 play it! szmetan jorge defeats black's schweber samuel in 61 moves | 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Be2 Nf6 5. Nc3 c6 6. O-O O-O 7. a4 Qc7 8. h3 e5 9. dxe5 dxe5 10. Be3 Nh5 11. Re1 Nf4 12. Bf1 Na6 13. Nd2 Rd8 14. Qc1 Ne6 15. a5 Bf8 16. Na4 Bd7 17. c3 Nac5 18. Nxc5 Bxc5 19. Nc4 b5 20. axb6 axb6 21. Bxc5 Nxc5 22. Qg5 Rxa1 23. Rxa1 Re8 24. Qe3 Be6 25. b4 Nd7 26. h4 Bxc4 27. Bxc4 Nf6 28. Ra6 Rb8 29. Be2 h5 30. Qh6 Qe7 31. Bc4 |
| ECO A04 in 1973 play it! szmetan jorge defeats black's bazan o in 79 moves | 1. Nf3 b6 2. d4 Bb7 3. c4 e6 4. e3 Nf6 5. Bd3 c5 6. O-O Be7 7. Nc3 cxd4 8. exd4 d6 9. Bf4 O-O 10. Rc1 Re8 11. Re1 a6 12. b4 Nbd7 13. a3 Nf8 14. h3 Ng6 15. Bh2 Qd7 16. Re3 Bd8 17. Bc2 Bc7 18. Ba4 Bc6 19. Bxc6 Qxc6 20. d5 Qd7 21. dxe6 fxe6 22. Ng5 Rac8 23. Qa4 d5 24. Qxd7 Bxh2+ 25. Kxh2 Nxd7 26. cxd5 Nf6 27. d6 Nf8 28. Rd1 Red8 29. Nce4 Rc4 30. Nxf6+ gxf6 31. Ne4 Nd7 32. Rdd3 Kf7 33. g4 h6 34. Rc3 Rdc8 35. Rcd3 Ne5 36. Rd1 Nd7 37. Kg2 Ra8 38. Rdd3 a5 39. bxa5 Rxa5 40. Rb3 |
| ECO A05 in 1992 play it! szmetan jorge defeats black's cianni pablo in 112 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. a3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. d3 Qd7 11. Rb1 b6 12. b4 cxb4 13. axb4 Bb7 14. Bb2 Rfd8 15. Bxg7 Kxg7 16. b5 Nd4 17. Ne5 Qc7 18. Bxb7 Qxb7 19. e3 f6 20. exd4 fxe5 21. Qe2 Qd5 22. Rb4 Rd7 23. Re1 exd4 24. Qg4 Rf8 25. Re4 Qf5 26. Qe2 Qc5 27. Qe1 Rf7 28. Kg2 Qc3 29. Re6 Qxd3 30. Rb2 Qf5 31. Re5 Qf3+ 32. Kg1 Qc3 33. Rd2 Rc7 34. Rd5 d3 35. R5xd3 Qc1 36. Rd1 Qb2 37. Rb1 Qf6 38. Rb4 e5 39. Re3 Rc2 40. Re2 Rc5 41. Rd2 Rfc7 42. Qe3 Rc3 43. Rd3 Rxd3 44. Qxd3 Qf5 45. Re4 Rc5 46. g4 Qe6 47. Ra4 Qe7 48. Qa3 Rc7 49. Qa1 Kf6 50. Rf4+ Kg7 51. Re4 Rc5 52. Ra4 Qg5 53. Kg2 Rxb5 54. Rxa7+ Kh6 55. Qd1 Rb4 56. h3 Rd4 |
| ECO A04 in 1974 play it! szmetan jorge defeats black's maiztegui lincol in 77 moves | 1. Nf3 Nc6 2. d4 d5 3. e3 Bg4 4. Be2 Nf6 5. c4 dxc4 6. Qa4 e6 7. h3 Bh5 8. Ne5 Bxe2 9. Kxe2 Qd5 10. Nxc6 b5 11. Qa6 Qxg2 12. Qb7 Rd8 13. Qxc7 Ra8 14. Rh2 Qe4 15. Ne5 Be7 16. Qc6+ Qxc6 17. Nxc6 Bd6 18. Rg2 O-O 19. Ne5 Bxe5 20. dxe5 Nd7 21. f4 Nc5 22. Bd2 Rfd8 23. Na3 Rd3 24. Bc3 a6 25. Bd4 Ne4 26. Rd1 Rxd1 27. Kxd1 Rd8 28. Kc2 g6 29. Nb1 Kf8 30. Nd2 Nxd2 31. Rxd2 Rc8 32. Kc3 a5 33. a3 Ke7 34. Bb6 Ra8 35. Rd6 f6 36. Bc5 Kf7 37. Rd7+ Ke8 38. Re7+ Kd8 39. exf6 |
| ECO A04 in 1976 play it! szmetan jorge defeats black's barreras alberto in 59 moves | 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 O-O 7. O-O Nc6 8. Nc3 Nb6 9. e3 e5 10. d5 Na5 11. e4 c6 12. Bg5 Qd7 13. Rc1 h6 14. Be3 Rd8 15. b3 Qe7 16. Qd2 cxd5 17. Nxd5 Nxd5 18. exd5 Nc6 19. Bxh6 Be6 20. Bxg7 Kxg7 21. Ng5 Bxd5 22. Bxd5 Nb4 23. Nxf7 Rxd5 24. Qh6+ Kf6 25. Qh4+ Ke6 26. Ng5+ Kd7 27. Qh3+ Ke8 28. Qh8+ Qf8 29. Qxf8+ Kxf8 30. Ne6+ |
| ECO A04 in 1993 play it! szmetan jorge defeats black's scarella enrique in 77 moves | 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 Nd5 10. Bxd5 e6 11. Bxc6+ bxc6 12. O-O Qb6 13. Qc3 Bg7 14. Bf4 O-O 15. Be5 f6 16. Bg3 Re8 17. Rac1 Bd7 18. Rfe1 Bf8 19. a3 Rac8 20. Nd2 Rcd8 21. Ne4 Bg7 22. Nd6 Re7 23. Nc4 Qa6 24. Bc7 Rc8 25. Bd6 Ree8 26. b4 Rcd8 27. Na5 e5 28. dxe5 fxe5 29. Bxe5 Bxe5 30. Rxe5 Rxe5 31. Qxe5 Re8 32. Qd4 Qe2 33. h3 Rf8 34. Qxd7 Rxf2 35. Qxc6 Rxg2+ 36. Qxg2 Qe3+ 37. Kh2 Qf4+ 38. Qg3 Qd2+ 39. Kg1 |
| ECO A05 in 1993 play it! szmetan jorge defeats black's llanos guillermo in 81 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. e4 c6 9. Rb1 exd4 10. Nxd4 Re8 11. h3 Nc5 12. Re1 a5 13. Qc2 Bd7 14. Nb3 Be6 15. Nxc5 dxc5 16. b3 Nh5 17. g4 Nf6 18. e5 Bxg4 19. hxg4 Nxg4 20. Bf4 Nxe5 21. Ne4 Qd3 22. Qd1 Rad8 23. Bxe5 Rxe5 24. Qxd3 Rxd3 25. Rbd1 Rd4 26. Kf1 b5 27. Nd6 Rxe1+ 28. Kxe1 Rg4 29. Bxc6 bxc4 30. Nxc4 Bd4 31. Ke2 Rf4 32. f3 Rf6 33. Bb5 g5 34. Nxa5 g4 35. fxg4 Rf2+ 36. Kd3 Rxa2 37. Nc6 Bg7 38. Ne7+ Kf8 39. Nf5 Be5 40. Ke4 Bc7 41. Rd7 |