| ECO A00 in 2007 play it! udder defeats white's aji in 90 moves | 1. g4 Nc6 2. Bg2 e6 3. Nc3 d5 4. d3 Bb4 5. Bd2 a5 6. f4 Qh4+ 7. Kf1 Qxg4 8. e3 e5 9. Bf3 Qd7 10. Nxd5 Bxd2 11. Qxd2 Nge7 12. Nxe7 Nxe7 13. fxe5 O-O 14. Kf2 Nd5 15. e4 Nb4 16. Ne2 Qe6 17. d4 Qe7 18. c3 Nc6 19. Rag1 Bd7 20. Rg2 Qh4+ 21. Ke3 Qh6+ 22. Kd3 Qxd2+ 23. Kxd2 Ra6 24. Rhg1 g6 25. h4 Ne7 26. h5 c5 27. hxg6 fxg6 28. Bh5 cxd4 29. cxd4 Rb6 30. b3 Bb5 31. Ng3 a4 32. Bxg6 Nxg6 33. Nf5 Bd7 34. Ne7+ Kg7 35. Nf5+ Kh8 36. Nd6 axb3 37. axb3 Rxb3 38. Kc2 Rb6 39. Nc4 Ra6 40. d5 Be8 41. e6 Nf4 42. Rg7 Ng6 43. e7 Nxe7 44. d6 Ng6 45. d7 Rf2+ |
| ECO A00 in 2007 play it! udder defeats white's aji in 46 moves | 1. g4 e5 2. Bg2 Bc5 3. Nc3 Qh4 4. Ne4 Bb6 5. Nf3 Qxg4 6. Ng3 Nc6 7. d3 Nf6 8. Be3 Bxe3 9. fxe3 Nh5 10. Qd2 Nxg3 11. h3 Qg6 12. Rg1 d6 13. O-O-O Nh5 14. Nxe5 Nxe5 15. Bd5 Ng3 16. Bxf7+ Kxf7 17. Qc3 Nxe2+ 18. Kd2 Nxc3 19. Rxg6 Nxg6 20. Kxc3 Rf8 21. e4 Bxh3 22. Rh1 Be6 23. Rxh7 Rh8 |
| ECO A00 in 2007 play it! udder defeats white's aji in 104 moves | 1. g4 b6 2. Bg2 Nc6 3. Nc3 Bb7 4. Nf3 e5 5. e4 Bb4 6. a3 Bxc3 7. dxc3 Nf6 8. Bg5 O-O 9. Qe2 h6 10. Bxf6 Qxf6 11. O-O-O d6 12. h4 Rad8 13. g5 Qf4+ 14. Kb1 Ne7 15. gxh6 Qxh6 16. Ng5 Ng6 17. h5 Nf4 18. Qf3 Nxg2 19. Qxg2 Qf6 20. Rdg1 d5 21. f3 dxe4 22. Nxe4 Qh6 23. Ng5 Rd7 24. Nxf7 Rdxf7 25. Qg6 Bxf3 26. Qxh6 Bxh1 27. Qe6 Bf3 28. h6 Kh7 29. Rxg7+ Rxg7 30. hxg7 Kxg7 31. Qxe5+ Kg8 32. Qxc7 Bd5 33. b3 Rf1+ 34. Kb2 Rf7 35. Qd6 Be4 36. Qe5 Bh7 37. c4 Bg6 38. b4 Bh7 39. c5 bxc5 40. bxc5 Rb7+ 41. Kc3 Rf7 42. Qb8+ Kg7 43. c6 Bf5 44. c7 Rf8 45. Qxa7 Rf7 46. Qb6 Kf8 47. a4 Bc8 48. a5 Bf5 49. Qd6+ Kg7 50. a6 Rf6 51. a7 Rxd6 52. a8=Q Rf6 |
| ECO A06 in 2007 play it! udder defeats white's willie in 64 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. Nc3 Bg4 5. e3 e6 6. a3 Be7 7. Bxc4 O-O 8. O-O c6 9. Be2 Qc7 10. Qc2 Bd6 11. h3 Bh5 12. e4 e5 13. Bg5 Nbd7 14. dxe5 Bxe5 15. Rad1 Bxf3 16. Bxf3 h6 17. Bh4 Nc5 18. Bg3 Bxg3 19. fxg3 Qxg3 20. Ne2 Qh4 21. g3 Qg5 22. Bg2 Rfe8 23. Rf5 Qe3+ 24. Kh2 Ncxe4 25. Rd3 Qb6 26. Bxe4 Nxe4 27. Rb3 Qc7 28. Qc4 Rad8 29. Rbf3 Rd7 30. Nd4 Nd6 31. Ne6 Nxc4 32. Nxc7 Rxc7 |
| ECO A15 in 2007 play it! udder defeats white's jazz by checkmate in 40 moves | 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Bd2 b6 5. e3 Bb7 6. Nf3 O-O 7. Be2 d5 8. a3 Bd6 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. O-O c5 12. dxc5 Bxc5 13. Bc3 Nd7 14. Nd4 Nf6 15. Bf3 Rc8 16. b4 Bd6 17. Nb5 Bb8 18. Bxf6 Qxf6 19. Bxd5 Qe5 20. Nxa7 Qxh2# |
| ECO A35 in 2007 play it! udder defeats white's deepyellow in 26 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Qc2 b6 6. b3 Bb7 7. Bb2 Nb4 8. Qd1 Bxf3 9. exf3 d5 10. Bg2 d4 11. f4 Nd3+ 12. Ke2 Nxb2 13. Qc2 d3+ |
| ECO A35 in 2007 play it! udder defeats white's jazz in 72 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 d6 5. Be2 g6 6. O-O Bg7 7. d4 cxd4 8. exd4 O-O 9. d5 Nb8 10. b3 Re8 11. Bb2 e6 12. dxe6 Bxe6 13. Ng5 Nc6 14. Nxe6 Rxe6 15. Bf3 Qc7 16. Nd5 Qd7 17. Nxf6+ Bxf6 18. Bxf6 Rxf6 19. Bg4 Qc7 20. Qd5 Qb6 21. Bf3 Rf5 22. Qxd6 Rd8 23. Qg3 Ne5 24. Bg4 Rd3 25. Qh4 g5 26. Qh5 Nxg4 27. Qxg4 Qf6 28. Qe4 Rd2 29. Qe3 Rd7 30. Qxa7 h5 31. Qb8+ Kg7 32. Qg3 h4 33. Qg4 Kg6 34. f3 Rd4 35. Qh3 Rd2 36. Rfd1 Qd4+ |
| ECO A15 in 2007 play it! udder defeats white's jazz in 114 moves | 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Bd2 c5 5. dxc5 Bxc5 6. e4 Qb6 7. Na4 Bxf2+ 8. Ke2 Qd4 9. Nf3 Qxc4+ 10. Kxf2 Qxe4 11. Ng5 Ng4+ 12. Kg3 Qd4 13. Bc3 Qxd1 14. Rxd1 Ne3 15. Rd3 Nf5+ 16. Kf2 O-O 17. g4 Nh6 18. h3 f6 19. Ne4 f5 20. gxf5 Rxf5+ 21. Ke2 d5 22. Nd6 Rf8 23. Nc5 b6 24. Nxc8 Rxc8 25. Nxe6 Re8 26. Re3 Nf5 27. Re5 Ng3+ 28. Kf2 Nxh1+ 29. Kg2 Nc6 30. Nc7 Rxe5 31. Bxe5 Rf8 32. Bb5 Nxe5 33. Kxh1 Rf2 34. Ba4 Rxb2 35. Bb3 Rb1+ 36. Kg2 Nc4 37. Nxd5 Nd2 38. Nc3+ Kf8 39. Nxb1 Nxb1 40. Bc2 Nc3 41. a4 g6 42. Kf1 Ke7 43. Ke1 Kd6 44. Kd2 Nd5 45. Bb3 Kc5 46. Kd3 Nf4+ 47. Ke4 Nxh3 48. Bg8 h6 49. Bf7 g5 50. Be8 Nf2+ 51. Ke3 Ng4+ 52. Kf3 Ne5+ 53. Ke4 Nc4 54. Kd3 g4 55. Bb5 g3 56. Bc6 Kxc6 57. Kxc4 g2 |
| ECO A17 in 2007 play it! udder defeats white's jazz in 60 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 Be7 4. Nf3 O-O 5. e4 d5 6. e5 Nfd7 7. c5 f6 8. exf6 Nxf6 9. Be2 b6 10. cxb6 cxb6 11. O-O Nc6 12. Bg5 Qc7 13. Bb5 a6 14. Bxc6 Qxc6 15. Ne5 Qc7 16. Bxf6 Bxf6 17. f4 Bd7 18. g3 Bxe5 19. dxe5 Qc5+ 20. Kg2 Bc6 21. Kh3 d4 22. Ne2 Rad8 23. Rc1 Qd5 24. Qd2 Qg2+ 25. Kg4 h5+ 26. Kxh5 Qxh2+ 27. Kg4 Rf5 28. Rh1 Qg2 29. Qd3 Be4 30. Qb3 Qxe2+ |
| ECO A00 in 2007 play it! udder defeats white's whitewiz by checkmate in 58 moves | 1. g3 e5 2. Bg2 Nc6 3. e4 b6 4. Qg4 Bb7 5. c3 Nf6 6. Qf5 Qe7 7. d4 g6 8. Qg5 exd4 9. f3 Bg7 10. Bh3 O-O 11. e5 Qxe5+ 12. Ne2 Qxg5 13. Bxg5 dxc3 14. bxc3 Rfe8 15. Nd2 Ne5 16. O-O-O Nxf3 17. Be3 Nxd2 18. Kxd2 Bxh1 19. Rxh1 Ne4+ 20. Kd3 Nf6 21. Bg4 d5 22. Rf1 c5 23. c4 dxc4+ 24. Kd2 Ne4+ 25. Ke1 c3 26. Rf4 f5 27. Bf3 Rad8 28. g4 c2 29. gxf5 Rd1# |
| ECO A00 in 2007 play it! udder defeats white's kaant by checkmate in 62 moves | 1. h3 e5 2. e4 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qe3 b6 6. e5 Bc5 7. Qe2 Nd5 8. c4 Nd4 9. Qe4 Nb4 10. a3 Nbc2+ 11. Kd2 Rb8 12. Ra2 Bb7 13. Qg4 O-O 14. Bd3 Nb4 15. axb4 Bxb4+ 16. Nc3 Nb3+ 17. Kc2 Nc5 18. Ra4 Nxa4 19. Nxa4 Bc6 20. b3 b5 21. Nb2 bxc4 22. bxc4 Ba3 23. Nf3 Bxb2 24. Bxb2 Ba4+ 25. Kc1 Rxb2 26. Kxb2 Qb8+ 27. Kc1 g6 28. Re1 Qb3 29. Qe4 Qc3+ 30. Kb1 Rb8+ 31. Ka2 Qb2# |
| ECO C00 in 2007 play it! udder defeats white's dorin in 134 moves | 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nc6 5. c3 Bf5 6. Be2 Nf6 7. O-O Bd6 8. Bg5 O-O 9. Nh4 Be6 10. g3 Be7 11. Bxf6 Bxf6 12. Ng2 Bh3 13. Bg4 Bxg2 14. Kxg2 Re8 15. Nd2 Bg5 16. Nb3 b6 17. Kg1 Re4 18. Bf3 Re8 19. Qc2 Qf6 20. Bg2 Rad8 21. Rae1 Rxe1 22. Rxe1 Nb8 23. a4 c6 24. a5 Rd7 25. axb6 Qd8 26. Nc5 axb6 27. Nxd7 Nxd7 28. Bf1 Nf6 29. Bd3 h6 30. f4 Ne4 31. Bxe4 Bf6 32. Bd3 Be7 33. Qe2 Bf8 34. Qe8 Qxe8 35. Rxe8 g6 36. b3 Kg7 37. Rc8 c5 38. dxc5 bxc5 39. Kg2 Bd6 40. Rd8 Be7 41. Rxd5 f5 42. Rd7 Kf6 43. Kf3 h5 44. h4 Bf8 45. Rb7 Be7 46. b4 cxb4 47. cxb4 Bd6 48. Rb6 Ke7 49. b5 Kd7 50. Rc6 Bc7 51. Bc4 Bd8 52. Rxg6 Bc7 53. Bd5 Bd6 54. Rg7+ Be7 55. Rxe7+ Kxe7 56. b6 Kd7 57. Bc6+ Kd6 58. b7 Kc7 59. Ke3 Kxc6 60. b8=Q Kd7 61. Kd4 Ke7 62. Qb6 Kd7 63. Kd5 Ke7 64. Qd6+ Kf7 65. Ke5 Kg7 66. Qf6+ Kg8 67. Qg6+ Kf8 |
| ECO C00 in 2007 play it! udder defeats white's fdebane in 100 moves | 1. e4 e6 2. e5 d5 3. exd6 Bxd6 4. d4 Nc6 5. Nf3 Nf6 6. Bc4 Na5 7. b3 Nxc4 8. bxc4 Bb4+ 9. c3 Bd6 10. Bg5 Be7 11. O-O c5 12. d5 O-O 13. Na3 a6 14. Ne5 Ne4 15. Bxe7 Qxe7 16. Qf3 Ng5 17. Qg4 exd5 18. Qf4 f6 19. Nf3 Ne6 20. Qg3 Ng5 21. Rae1 Nxf3+ 22. gxf3 Qf7 23. cxd5 Qxd5 24. Re7 g6 25. Rfe1 Bf5 26. Qh4 g5 27. Qh6 Rf7 28. Rxf7 Qxf7 29. Nb1 Qg6 30. Qxg6+ Bxg6 31. Nd2 Rd8 32. Ne4 Bxe4 33. fxe4 Rd2 34. a4 Ra2 35. e5 fxe5 36. Rxe5 Rxa4 37. Rxg5+ Kh8 38. Rxc5 Rg4+ 39. Kf1 Rh4 40. Kg2 b5 41. Kg3 Rh6 42. f4 Rg6+ 43. Kh4 Rg2 44. Kh3 Rb2 45. f5 a5 46. f6 Rf2 47. Rxb5 Rxf6 48. Rxa5 Kg7 49. Kg4 Rg6+ 50. Kf4 Rf6+ |
| ECO C02 in 2007 play it! udder defeats white's fotias by checkmate in 48 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. f4 cxd4 5. Qxd4 Nc6 6. Bb5 Ne7 7. c4 Bd7 8. Bxc6 Nxc6 9. Qc3 Bb4 10. cxd5 Bxc3+ 11. Nxc3 Nd4 12. Kd2 Rc8 13. dxe6 Bxe6 14. Nf3 Nxf3+ 15. Ke2 Nd4+ 16. Ke3 Nf5+ 17. Kf2 Qd4+ 18. Ke1 Rxc3 19. bxc3 Qxc3+ 20. Kd1 Qxa1 21. Re1 O-O 22. g4 Qd4+ 23. Bd2 Rd8 24. gxf5 Qxd2# |
| ECO C02 in 2007 play it! udder defeats white's theowl in 90 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. a3 cxd4 6. cxd4 Qb6 7. Nf3 f6 8. exf6 Nxf6 9. Nc3 Be7 10. Bb5 O-O 11. O-O a6 12. Bxc6 bxc6 13. Re1 c5 14. Na4 Qa7 15. dxc5 Bxc5 16. Nxc5 Qxc5 17. Ng5 Ng4 18. Be3 Nxe3 19. Rxe3 Qb6 20. Qd3 g6 21. b4 Bd7 22. Rae1 Rf6 23. Qe2 Re8 24. Rh3 h5 25. Nf3 Bb5 26. Qc2 Kg7 27. Ne5 Ref8 28. Rf3 Rxf3 29. Nxf3 Be8 30. Qc3+ Kg8 31. Qc2 d4 32. Ne5 Rf5 33. h3 Qd6 34. Qe4 g5 35. g3 Kg7 36. f4 gxf4 37. gxf4 h4 38. Rd1 d3 39. Rxd3 Qb6+ 40. Qd4 Qxd4+ 41. Rxd4 Kf6 42. Ng4+ Ke7 43. Kf2 Bc6 44. Ke3 Bd5 45. Nf2 Kf7 |
| ECO C02 in 2007 play it! udder defeats white's smi in 126 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Bc5 6. Bb5+ Bd7 7. Bxd7+ Nxd7 8. Nf3 Qb6 9. O-O Ne7 10. b3 O-O 11. Bb2 Ng6 12. a3 Rac8 13. c4 dxc4 14. Qxd7 cxb3 15. Nc3 Rfd8 16. Qb5 Qxb5 17. Nxb5 a6 18. Nbd4 h6 19. Nxb3 Be7 20. Rac1 Rxc1 21. Nxc1 Nf4 22. h3 Bc5 23. Kh2 Ng6 24. Ne2 b5 25. Ng3 b4 26. axb4 Bxb4 27. Rc1 a5 28. Bc3 Rc8 29. Ne2 Ne7 30. Bxb4 Rxc1 31. Nxc1 axb4 32. Nd4 Nd5 33. Nde2 Kf8 34. f4 Ke8 35. Kg3 Kd7 36. Kf3 g6 37. g3 Kc6 38. Ke4 Kc5 39. Kd3 h5 40. Nb3+ Kb5 41. Ned4+ Kb6 42. Kc4 Kc7 43. Nc2 Kd7 44. Nxb4 Ne3+ 45. Kd4 Nf5+ 46. Ke4 Ne7 47. Nd4 Ke8 48. Nb5 Kf8 49. Nd6 Kg7 50. Nd3 Ng8 51. Nc5 Ne7 52. Ncb7 Ng8 53. Nd8 Nh6 54. Kd4 Nf5+ 55. Nxf5+ gxf5 56. Kc5 Kg6 57. Kd6 Kg7 58. Ke7 Kg6 59. Nxf7 h4 60. Kxe6 hxg3 61. Nh8+ Kg7 62. Kxf5 g2 63. e6 g1=Q |
| ECO C00 in 2007 play it! udder defeats white's chefmanj by checkmate in 102 moves | 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Be2 Ne7 6. O-O O-O 7. Nc3 Bg4 8. Qd3 Ng6 9. Nxd5 c6 10. Ne3 Bxf3 11. Bxf3 Nf4 12. Qd1 Qg5 13. Ng4 h5 14. Bxf4 Bxf4 15. Ne5 Bxe5 16. dxe5 Qxe5 17. Bxh5 Qg5 18. Bf3 Rd8 19. Qe2 Nd7 20. Rad1 Ne5 21. Rxd8+ Rxd8 22. Re1 Nxf3+ 23. Qxf3 Qd2 24. Kf1 Qxc2 25. h4 Qc4+ 26. Qe2 Qxh4 27. Kg1 Qf6 28. Rd1 Kf8 29. Qh5 Rxd1+ 30. Qxd1 Ke7 31. b4 b6 32. a4 Qd6 33. Qe2+ Qe6 34. Qb2 f6 35. a5 b5 36. a6 Qe1+ 37. Kh2 Qe5+ 38. g3 Qxb2 39. Kh3 Qxb4 40. f4 c5 41. Kg4 c4 42. Kh5 Kf7 43. g4 c3 44. g5 fxg5 45. fxg5 Qd6 46. Kg4 c2 47. Kh5 Qg6+ 48. Kg4 Qe6+ 49. Kh5 g6+ 50. Kh6 Qe5 51. Kh7 Qg7# |
| ECO C02 in 2007 play it! udder defeats white's tebaugh in 80 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. f4 Qb6 6. Nf3 cxd4 7. cxd4 Bb4+ 8. Nc3 Nge7 9. a3 Ba5 10. b4 Nxb4 11. axb4 Bxb4 12. Bd2 Nf5 13. Bb5+ Bd7 14. Bxd7+ Kxd7 15. Qa4+ Ke7 16. Rb1 a5 17. Nb5 Rac8 18. Bxb4+ axb4 19. Qxb4+ Kd8 20. O-O Ne3 21. Rfe1 Nc2 22. Qd6+ Qxd6 23. Nxd6 Nxe1 24. Nxc8 Nxf3+ 25. gxf3 Kxc8 26. Rb6 Kb8 27. Rd6 Rc8 28. Rd7 b5 29. Rxf7 b4 30. Rxg7 b3 31. Rg2 Rc2 32. Rg8+ Kc7 33. Rg7+ Kb6 34. Rd7 b2 35. Rd6+ Kb7 36. Rd7+ Rc7 37. Rd6 b1=Q+ 38. Kf2 Qc2+ 39. Kg3 Rg7+ 40. Kh4 Qf2+ |
| ECO C17 in 2007 play it! udder defeats white's christt by checkmate in 42 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bg5 Qxg5 6. dxc5 Bxc5 7. Nf3 Qh5 8. Be2 Nc6 9. O-O Nge7 10. Nd4 Qxe5 11. Nxc6 Nxc6 12. Re1 Qf6 13. Bf3 Nd4 14. Nxd5 Nxf3+ 15. gxf3 Qg5+ 16. Kh1 O-O 17. Rg1 Qxd5 18. Rxg7+ Kxg7 19. Qg1+ Kh8 20. Qg4 Rg8 21. Qh4 Qxf3# |
| ECO C02 in 2007 play it! udder defeats white's fletcher in 36 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 cxd4 6. Nxd4 Ne7 7. Bg5 Bd7 8. Bxe7 Bxe7 9. Bxc6 Bxc6 10. O-O Qb6 11. b3 O-O 12. Nd2 Qxd4 13. Nf3 Qxd1 14. Rfxd1 f6 15. exf6 Bxf6 16. Rac1 Rad8 17. c4 dxc4 18. Rxc4 Rxd1+ |