| ECO A05 in 2002 play it! alvarez ibarra r defeats white's bustamante monto in 70 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. d4 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bc4 O-O 9. O-O cxd4 10. cxd4 Nc6 11. Be3 Bg4 12. h3 Bxf3 13. Qxf3 Nxd4 14. Bxd4 Qxd4 15. Rac1 e6 16. Rfd1 Qb6 17. Qb3 Bd4 18. Qxb6 Bxb6 19. Bb3 Rfd8 20. Kf1 Kf8 21. Rxd8+ Rxd8 22. Rd1 Bd4 23. f4 Ke7 24. Ke2 f6 25. g4 b5 26. Rc1 Bb6 27. e5 fxe5 28. fxe5 Rd4 29. Kf3 Rd3+ 30. Ke4 Re3+ 31. Kf4 g5+ 32. Kxg5 Rxb3 33. Rc7+ Bxc7 34. axb3 Bxe5 35. Kh6 a5 |
| ECO A05 in 1989 play it! alvarez ibarra r defeats white's velasco gonzalez in 120 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. d4 cxd4 6. Nxd4 O-O 7. O-O Nc6 8. Nc3 Ng4 9. e3 d6 10. b3 Bd7 11. Bb2 Rc8 12. Nd5 Nge5 13. f4 Nxd4 14. Bxd4 Nc6 15. Bxg7 Kxg7 16. Qd2 Be6 17. Rad1 Kg8 18. e4 a6 19. Qf2 Bxd5 20. exd5 Nb8 21. Rfe1 Nd7 22. Rd2 Nf6 23. Rde2 Re8 24. Qd4 b5 25. cxb5 axb5 26. h3 Qd7 27. Kh2 h5 28. Bf3 Rc7 29. Kg2 Qf5 30. a4 bxa4 31. bxa4 Rec8 32. Rxe7 Rc4 33. Qf2 Rxa4 34. R7e2 h4 35. g4 Qxf4 36. Qxh4 Ra3 37. Rf2 Rcc3 38. Be4 Qg3+ 39. Qxg3 Rxg3+ 40. Kf1 Kg7 41. Bg2 Nd7 42. Kg1 Ne5 43. Ref1 Kf8 44. Kh2 Rgb3 45. Rc2 Rc3 46. Rb2 Rcb3 47. Rc2 Kg7 48. Rcf2 Kh6 49. Rf6 Rb2 50. R6f2 Rxf2 51. Rxf2 Kg5 52. Rb2 Nd3 53. Rb6 Nf4 54. Rb2 Kh4 55. Rf2 g5 56. Bf1 f6 57. Bg2 Rd3 58. Ra2 Nxh3 59. Ra6 Nf4 60. Be4 Rd4 |
| ECO A04 in 2003 play it! alvarez ibarra r defeats white's gonzalez aguirre in 72 moves | 1. Nf3 d6 2. c4 e5 3. g3 f5 4. Nc3 Nf6 5. d4 e4 6. Ng5 Be7 7. Bg2 O-O 8. Nh3 c6 9. Qb3 Na6 10. f3 exf3 11. exf3 Nc7 12. O-O d5 13. c5 Ne6 14. Be3 b6 15. cxb6 Qxb6 16. Qxb6 axb6 17. Rfd1 Ne8 18. Nf4 Bg5 19. Nce2 Ba6 20. Kf2 Bxe2 21. Nxe2 Bxe3+ 22. Kxe3 Nd6 23. Kd3 Rfe8 24. Nc3 Nc4 25. b3 Nb2+ 26. Kc2 Nxd1 27. Rxd1 c5 28. dxc5 d4 29. f4 Rac8 30. Na4 b5 31. Nb6 Rxc5+ 32. Kb1 Rd8 33. b4 Rc7 34. Bd5 Rd6 35. Re1 Kf7 36. Na8 Rxd5 |
| ECO A05 in 1995 play it! alvarez ibarra r defeats white's reales manuel in 44 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. d4 cxd4 8. Nxd4 Ng4 9. Nb3 b6 10. Bg5 Nge5 11. c5 bxc5 12. Nxc5 Rb8 13. Qc1 d6 14. N5e4 Re8 15. b3 f5 16. Nd2 Nd4 17. Nc4 Nxc4 18. Bd5+ Be6 19. bxc4 Bxd5 20. cxd5 Rc8 21. Kg2 Qa5 22. Bd2 Nxe2 |
| ECO A05 in 1989 play it! alvarez ibarra r defeats white's munoz cuesta jos in 85 moves | 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 c5 6. O-O cxd4 7. Nxd4 Nc6 8. e4 Ng4 9. Nb3 d6 10. h3 Nge5 11. Qe2 Be6 12. Na3 Na5 13. Nxa5 Qxa5 14. Be3 Rac8 15. Rac1 Qa6 16. Rc2 Nxc4 17. Rfc1 Nxe3 18. Qxe3 Bxb2 19. Rxb2 Rxc1+ 20. Qxc1 Qxa3 21. Qd2 b6 22. Kh2 Rc8 23. f4 Qc3 24. Qf2 Bd7 25. Rd2 Bb5 26. f5 Rc5 27. Qf4 Qe5 28. Qh4 Kg7 29. Rf2 Bc6 30. fxg6 hxg6 31. Qg4 Qe6 32. Qf4 Re5 33. Re2 Ra5 34. Qd2 Qe5 35. Re3 Bd7 36. a3 Be6 37. Bf1 Ra4 38. Bg2 b5 39. Rd3 a5 40. h4 b4 41. axb4 axb4 42. Rd4 Ra3 43. Qb2 |
| ECO A04 in 2007 play it! alvarez ibarra r defeats white's bravo narciso in 60 moves | 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. Qd2 a5 11. Rd1 Bd7 12. Qe1 a4 13. Rb1 Qa5 14. Bf1 Rfc8 15. b4 axb3 16. axb3 Be6 17. Nd5 Nxd5 18. Qxa5 Rxa5 19. exd5 Bf5 20. Bd3 Bxd3 21. Rxd3 b5 22. Bg5 bxc4 23. bxc4 f6 24. Bd2 Rac5 25. Rb7 Bf8 26. g4 Rxc4 27. h3 R4c7 28. Rb1 Kf7 29. Kg2 Rc4 30. Rb7 R4c7 |
| ECO A06 in 1992 play it! alvarez ibarra r defeats white's cebalos f in 76 moves | 1. Nf3 d5 2. d4 c6 3. c4 e6 4. Nc3 dxc4 5. a4 Bb4 6. Ne5 Nf6 7. Nxc4 O-O 8. e3 c5 9. Bd3 cxd4 10. exd4 Nc6 11. Be3 b6 12. O-O Bb7 13. Qf3 Na5 14. Qh3 Nxc4 15. Bxc4 Rc8 16. Bd3 Bxc3 17. bxc3 Rxc3 18. Bd2 Rc8 19. Bb4 Re8 20. Rad1 Qd5 21. Rfe1 Qh5 22. Qxh5 Nxh5 23. a5 Nf4 24. Bf1 Bc6 25. Ba6 Nxg2 26. Re5 Nh4 27. Bxc8 Nf3+ 28. Kf1 Nxe5 29. Bxe6 Rxe6 30. dxe5 Rxe5 31. axb6 axb6 32. Rd8+ Re8 33. Rd6 Rc8 34. Ke2 f6 35. Ke3 Kf7 36. Kf4 b5 37. Kf5 Be8 38. Bd2 Rc4 |
| ECO A04 in 1997 play it! alvarez ibarra r defeats white's roeder mathias in 80 moves | 1. Nf3 c5 2. b3 Nc6 3. Bb2 Nf6 4. e3 e6 5. Be2 d5 6. O-O Be7 7. d4 cxd4 8. exd4 O-O 9. a3 b6 10. Bd3 Bb7 11. Nbd2 Re8 12. b4 Bf8 13. Ne5 Rc8 14. Qe2 Ne4 15. Nxe4 Nxe5 16. Nf6+ gxf6 17. dxe5 Bg7 18. exf6 Bxf6 19. Qg4+ Kf8 20. Bxf6 Qxf6 21. f4 Ke7 22. Rae1 Kd6 23. Re5 Rg8 24. Qe2 Kc7 25. Rf2 d4 26. Bxh7 Rgd8 27. Be4 Bxe4 28. Qxe4 Kb8 29. f5 d3 30. cxd3 Rxd3 31. Qxd3 Qxe5 32. fxe6 fxe6 33. g3 Rc3 34. Re2 Qf6 35. Qd6+ Kb7 36. Qd7+ Ka6 37. b5+ Ka5 38. Qxa7+ Kxb5 39. Qd7+ Ka6 40. Kg2 Qf3+ |
| ECO A05 in 1991 play it! alvarez ibarra r defeats white's olaizola ortega in 96 moves | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O g6 5. c4 Bg7 6. Nc3 O-O 7. d4 cxd4 8. Nxd4 Ng4 9. e3 Nxd4 10. exd4 Nh6 11. Bg5 Nf5 12. Nd5 h6 13. Bf4 d6 14. Qd2 e6 15. Nc3 e5 16. dxe5 dxe5 17. Qxd8 Rxd8 18. Bc1 Nd4 19. Bd5 Bh3 20. Bg2 Bf5 21. Bd5 Nc2 22. Rb1 Nb4 23. Ra1 Bd3 24. Rd1 Nxd5 25. Rxd3 Nxc3 26. Rxc3 Rd1+ 27. Kg2 e4 28. Re3 f5 29. Re2 Rc8 30. Rc2 Bd4 31. Rb1 b5 32. Rd2 Rxd2 33. Bxd2 Rxc4 34. Bc3 Bb6 35. a3 Rc8 36. Rd1 Re8 37. Rd5 Rd8 38. Rxd8+ Bxd8 39. f3 Kf7 40. fxe4 fxe4 41. b3 Ke6 42. g4 Be7 43. Bb2 Kd5 44. Kf2 Bc5+ 45. Ke2 h5 46. gxh5 gxh5 47. Bc1 a6 48. Kd2 a5 |
| ECO A22 in 1995 play it! alvarez ibarra r defeats white's gastanares lopez by checkmate in 102 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. Rb1 Bf5 9. b4 a6 10. Nd5 Nxd5 11. cxd5 Nd4 12. Nxd4 exd4 13. e4 dxe3 14. fxe3 Qe7 15. e4 Bd7 16. Be3 f5 17. Rc1 Rac8 18. Qd2 fxe4 19. dxe4 Rxf1+ 20. Rxf1 Rf8 21. Rxf8+ Kxf8 22. Bh6 Ke8 23. Bxg7 Qxg7 24. h4 h6 25. Qe3 g5 26. hxg5 hxg5 27. a3 Qe5 28. Kh2 Kd8 29. Kg1 Kc8 30. Kh2 Kb8 31. Bf1 c6 32. dxc6 Bxc6 33. Bg2 d5 34. Qc5 Qh8+ 35. Kg1 dxe4 36. Qxg5 Qd4+ 37. Kh2 Qf2 38. Qe5+ Ka7 39. Qc5+ Qxc5 40. bxc5 e3 41. Bf1 Bf3 42. Kg1 e2 43. Bxe2 Bxe2 44. Kf2 Bh5 45. Ke3 Kb8 46. Kd4 Kc7 47. Kc4 Kc6 48. Kb4 Be2 49. a4 a5+ 50. Kxa5 Kxc5 51. g4 b6# |
| ECO A21 in 2002 play it! alvarez ibarra r defeats white's garcia roman dan in 74 moves | 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. Nf4 c6 8. e3 Na6 9. h4 O-O 10. g3 Nc7 11. d5 cxd5 12. cxd5 Nd7 13. Be2 Bf6 14. Bd2 Be5 15. Qc2 Nf6 16. Rc1 Bd7 17. Nxe4 Nxe4 18. Qxc7 Bxb2 19. Qxd8 Rfxd8 20. Rb1 Be5 21. Rxb7 Rab8 22. Rxb8 Rxb8 23. Bc1 Nc3 24. Bd3 Nxa2 25. O-O Nb4 26. Bc4 Rc8 27. Be2 a5 28. Bd2 Rc2 29. Rd1 Ba4 30. Bxb4 axb4 31. Bd3 Rc3 32. Rd2 b3 33. Kg2 g6 34. Bb1 Rc1 35. Bd3 b2 36. Ne2 Bb3 37. Nf4 Bc4 |
| ECO A11 in 1994 play it! alvarez ibarra r defeats white's kharlov andrei in 86 moves | 1. c4 c6 2. e4 d5 3. exd5 Nf6 4. Nc3 cxd5 5. d4 Nc6 6. Bg5 Be6 7. Bxf6 gxf6 8. a3 Qd7 9. Be2 O-O-O 10. Bf3 dxc4 11. d5 Ne5 12. dxe6 Qxe6 13. Qe2 Bh6 14. Qe4 Rd7 15. Be2 f5 16. Qh4 Rd2 17. Nf3 Nxf3+ 18. gxf3 Rxb2 19. O-O Bg7 20. Bxc4 Qg6+ 21. Kh1 Bxc3 22. Rac1 Qf6 23. Qxf6 Bxf6 24. Bxf7+ Kb8 25. Be6 Rd8 26. Kg2 a6 27. f4 h5 28. a4 Rd4 29. Bxf5 Rxa4 30. Rc8+ Ka7 31. Bg6 h4 32. Kf3 Rb3+ 33. Kg4 Rbb4 34. Kf5 Rxf4+ 35. Ke6 Rac4 36. Rxc4 Rxc4 37. f3 b5 38. Be4 Kb6 39. Rg1 a5 40. Rg8 a4 41. Ra8 Kc5 42. Bd5 Kb4 43. Bxc4 Kxc4 |
| ECO A10 in 1998 play it! alvarez ibarra r defeats white's carnicero rodrig in 42 moves | 1. c4 b6 2. e4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Ne7 6. O-O O-O 7. Re1 f5 8. e5 Bxf3 9. gxf3 Ng6 10. Bf1 Qg5+ 11. Kh1 Qh4 12. Nb5 Nc6 13. Nxc7 Rad8 14. Na6 Be7 15. d4 f4 16. Re4 Rf5 17. Qe2 Rdf8 18. Bd2 Nd8 19. Nb4 Nf7 20. Nd3 Rh5 21. h3 Ng5 |
| ECO A00 in 2001 play it! alvarez ibarra r defeats white's fontana sotomayo in 44 moves | 1. Nc3 c5 2. e4 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nde2 d6 7. g3 Bg4 8. Bg2 Ne5 9. h3 Bf3 10. O-O Nf6 11. Bxf3 Nxf3+ 12. Kg2 Ne5 13. Nd4 O-O 14. Re1 Rc8 15. f4 Nc4 16. b3 Qa5 17. Qd3 Ne5 18. fxe5 Rxc3 19. Bd2 Rxd3 20. Bxa5 Rxd4 21. exf6 Bxf6 22. Bc3 Rc4 |
| ECO A00 in 1992 play it! alvarez ibarra r defeats white's palacios e in 76 moves | 1. d3 d5 2. f4 Nf6 3. Nf3 g6 4. c3 Bg7 5. Qc2 O-O 6. e4 c5 7. Be2 Nc6 8. O-O b6 9. Ne5 Nxe5 10. fxe5 Ng4 11. exd5 Nxe5 12. c4 e6 13. Nc3 exd5 14. cxd5 Bb7 15. Qb3 h6 16. Be3 Rc8 17. Kh1 Qd7 18. d4 c4 19. Qb5 Qxb5 20. Nxb5 Nd3 21. Nd6 Bxd5 22. Nxc8 Rxc8 23. Bxd3 cxd3 24. Rac1 Rc2 25. Rxc2 dxc2 26. Rc1 Be4 27. Kg1 f5 28. g3 Kf7 29. Kf2 Ke6 30. Ke2 Kd5 31. Kd2 Bxd4 32. Bxd4 Kxd4 33. a4 g5 34. Ra1 f4 35. gxf4 gxf4 36. Ra3 f3 37. Rc3 h5 38. Rc7 f2 |
| ECO B31 in 1996 play it! alvarez ibarra r defeats white's gomez gandara e in 65 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Nbd2 cxd4 10. cxd4 Nxd2 11. Bxd2 Qb6 12. Qa4 Bd7 13. Ba5 Qxa5 14. Qxa5 Nxa5 15. Bxd7 e6 16. Rac1 Nc4 17. b3 Nb6 18. Rc7 Rab8 19. Rec1 a6 20. Ng5 Bh6 21. f4 Bxg5 22. fxg5 Rfd8 23. Ba4 Na8 24. Bd7 Nxc7 25. Rxc7 b5 26. Kf2 Rxd7 27. Rxd7 Rc8 28. g4 Rc2+ 29. Kg1 Rxa2 30. h4 Rd2 31. h5 gxh5 32. gxh5 Rxd4 33. Rd8+ |
| ECO B23 in 2000 play it! alvarez ibarra r defeats white's jorge bort emili in 44 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 e6 9. Ndb5 d5 10. Bc5 Re8 11. Nd6 d4 12. Nxe8 Nxe8 13. Ba4 Qg5 14. Bxc6 bxc6 15. Bxd4 Qxg2 16. Rf1 Ba6 17. Ne2 Rd8 18. c3 c5 19. Qc2 cxd4 20. cxd4 Rc8 21. Qd2 Qxe4 22. Rd1 Rc2 |
| ECO B35 in 2004 play it! alvarez ibarra r defeats white's vicente montesin in 104 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nd5 Nxd5 10. exd5 Ne5 11. Bb3 d6 12. h3 Qa6 13. Qe2 Qxe2 14. Nxe2 Nd7 15. c3 Nc5 16. Bc2 Bd7 17. Rfe1 Rfe8 18. Rad1 Rac8 19. Bd4 Bb5 20. Bxg7 Bxe2 21. Rxe2 Kxg7 22. Rde1 Kf8 23. b4 Nd7 24. Ba4 Rc7 25. c4 Rec8 26. Rxe7 Nb6 27. Rxc7 Rxc7 28. Re8+ Kg7 29. Bb3 Nxc4 30. Bxc4 Rxc4 31. Ra8 Rxb4 32. Rxa7 Kf6 33. Kf1 Ke5 34. Ra5 g5 35. Ke2 h5 36. g3 h4 37. gxh4 Rxh4 38. Rb5 Rxh3 39. Rxb7 f6 40. Ra7 Kxd5 41. a4 Ra3 42. Ra8 f5 43. a5 Ke4 44. Re8+ Kf4 45. Rd8 Ra2+ 46. Ke1 Kf3 47. Rxd6 Re2+ 48. Kd1 Ra2 49. Rd5 f4 50. Rxg5 Kxf2 51. Rf5 f3 52. Rg5 Kf1 |
| ECO B30 in 2000 play it! alvarez ibarra r defeats white's bello filgueira in 136 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. O-O Ne7 6. d3 Ng6 7. c4 e5 8. h3 Be7 9. Nc3 d6 10. Ne2 f5 11. exf5 Bxf5 12. Ng3 Bd7 13. Re1 O-O 14. Be3 Rb8 15. b3 Nf4 16. Kh2 Qe8 17. Bxf4 Rxf4 18. Re4 Rf8 19. Qe2 Qg6 20. Re1 Rf7 21. Rxe5 dxe5 22. Nxe5 Qe6 23. Nxf7 Qxe2 24. Nh6+ gxh6 25. Rxe2 Bd6 26. Kg1 Bxg3 27. fxg3 Re8 28. Rd2 Re6 29. Kf2 Kf7 30. g4 Rd6 31. Ke3 Ke7 32. Rf2 Be8 33. Rf3 Rg6 34. g3 Rd6 35. Rf5 Bg6 36. Rxc5 Rxd3+ 37. Kf4 Rd4+ 38. Kf3 Rd6 39. Ra5 Rd7 40. Kf4 Kd6 41. g5 h5 42. h4 Rf7+ 43. Ke3 Re7+ 44. Kf2 Bc2 45. Kf3 Be4+ 46. Ke3 c5 47. Kf4 Bc6 48. Ra6 Rf7+ 49. Ke3 Rf3+ 50. Kd2 Rxg3 51. Rxa7 Be4 52. Ra6+ Ke5 53. Rf6 Rg2+ 54. Ke3 Rxa2 55. Rf8 Bg6 56. Rd8 Rb2 57. Rd5+ Ke6 58. Rxc5 Rxb3+ 59. Kf4 Rh3 60. Re5+ Kd7 61. Rd5+ Kc6 62. Ke5 Rxh4 63. Rd8 Rxc4 64. Kf6 h4 65. Kg7 h3 66. Rd2 Rh4 67. Rh2 Kd5 68. Kf6 Ke4 |
| ECO B35 in 2000 play it! alvarez ibarra r defeats white's hernandez lopez by checkmate 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. h3 Bd7 10. O-O Rc8 11. f4 Na5 12. Qd3 a6 13. e5 Nh5 14. e6 Nxb3 15. exf7+ Rxf7 16. axb3 Ng3 17. Rfe1 e5 18. fxe5 dxe5 19. Nde2 Nxe2+ 20. Qxe2 Bc6 21. Rad1 Qh4 22. Bf2 Qf4 23. Nd5 Bxd5 24. Rxd5 h5 25. Red1 Kh7 26. Be3 Qe4 27. R5d2 Re8 28. Bc5 Qc6 29. b4 e4 30. Rd6 Qc7 31. Bb6 Qe7 32. Bc5 Qc7 33. Bb6 Qe7 34. Bc5 Qe5 35. c3 e3 36. R6d5 Qe4 37. Qd3 e2 38. Re1 Rf1+ 39. Rxf1 exf1=Q+ 40. Kxf1 Qe1# |