| ECO A04 in 2003 play it! roeder mathias defeats black's langner ladislav in 117 moves | 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 O-O 11. O-O d6 12. Rc1 Be6 13. Re1 Qa5 14. Qd2 Rfc8 15. Nd5 Qxd2 16. Bxd2 Bxd5 17. cxd5 Kf8 18. Rc3 Ke8 19. Rec1 Kd7 20. Be3 Bf8 21. g3 Rc5 22. f4 Rac8 23. Kf2 b6 24. Ba6 R8c7 25. Bd3 Bg7 26. Bxd4 exd4 27. Rxc5 Rxc5 28. Rh1 Ke7 29. Kf3 h6 30. h4 Kf6 31. h5 g5 32. Kg4 gxf4 33. gxf4 b5 34. Kf3 Ke7 35. Rg1 Kf8 36. a3 Bf6 37. Kg4 a5 38. Rh1 Bd8 39. Kf5 a4 40. Rd1 Bb6 41. Kg4 Ba5 42. Kf3 b4 43. axb4 Bxb4 44. Bb1 Rc4 45. e5 a3 46. Bd3 Rc8 47. bxa3 Bxa3 48. Ra1 Bb2 49. Ra7 dxe5 50. fxe5 Re8 51. Ke4 Re7 52. Ra2 Bc1 53. d6 Re8 54. Kf5 Rc8 55. Ra7 Rc3 56. Ra8+ Kg7 57. d7 Bg5 58. Ke4 f5+ 59. Kxd4 |
| ECO A05 in 2001 play it! roeder mathias defeats black's fernando diogo in 87 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 g5 7. Bg3 Ne4 8. Qc2 Bb7 9. e3 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. d5 Nd7 13. Bxe4 fxe4 14. Qxe4 Qf6 15. Qxe6+ Qxe6 16. dxe6 Nc5 17. h4 g4 18. Nd4 O-O-O 19. h5 Rde8 20. Rh4 Rhg8 21. Bf4 Nd3+ 22. Kf1 Nxf4 23. exf4 c5 24. Nf5 Rxe6 25. Rd1 Kd7 26. Ne3 g3 27. f5 Rf6 28. Rf4 Rg5 29. fxg3 Rxh5 30. Kf2 Rg5 31. Rh1 a6 32. Rfh4 Rgg6 33. g4 b5 34. Kg3 Rg8 35. Rxh6 Rxh6 36. Rxh6 b4 37. Rh7+ Kc8 38. cxb4 cxb4 39. Kf4 a5 40. f6 a4 41. g5 b3 42. axb3 axb3 43. Rh1 Re8 44. f7 |
| ECO A05 in 1999 play it! roeder mathias defeats black's guidarelli laure in 73 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Qd3 Nd7 11. b3 Nc5 12. Qd2 Rb8 13. Bb2 a6 14. Rfd1 b5 15. b4 Ne6 16. cxb5 axb5 17. Nd5 Bxb2 18. Qxb2 Nc7 19. Nxc7 Qxc7 20. Rac1 Qa7 21. Rd3 Bd7 22. Re3 e6 23. Rd3 d5 24. e4 dxe4 25. Bxe4 Rbc8 26. Rc5 Rxc5 27. bxc5 Rc8 28. c6 Be8 29. Qxb5 Qxa2 30. Qb7 Qe2 31. Re3 Qd1+ 32. Kg2 Qd8 33. Ra3 Qc7 34. Ra8 Qe5 35. Bf3 Rxa8 36. Qxa8 Kf8 37. Qd8 |
| ECO A05 in 1999 play it! roeder mathias defeats black's costa trave jaum in 37 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. e3 Bd6 6. Bd3 Nbd7 7. O-O O-O 8. Qc2 h6 9. b3 Qe7 10. Bb2 a6 11. Rfe1 b5 12. e4 bxc4 13. bxc4 dxc4 14. Bxc4 e5 15. Nh4 Nb6 16. Nf5 Qc7 17. dxe5 Nxc4 18. exd6 Qb7 19. Nxg7 |
| ECO A05 in 1998 play it! roeder mathias defeats black's faig cristian in 85 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 Bd7 12. Bg5 Re8 13. O-O b5 14. Bb3 c5 15. a4 c4 16. Bd1 Na6 17. Be3 f5 18. axb5 Bxb5 19. Ba4 Nc7 20. Nd2 Rec8 21. d6 Bxa4 22. Rxa4 Nb5 23. Nxc4 Rc6 24. Rd1 f4 25. Bb6 Rxc4 26. Rxc4 axb6 27. d7 Rd8 28. Rc8 Bf6 29. Rd5 Na7 30. Rc7 Ra8 31. Kf1 Kf8 32. b4 Bd8 33. Rc1 Ke7 34. Ra1 Bc7 35. b5 Ke6 36. Ra6 h5 37. Rd2 g5 38. Rda2 Kxd7 39. Rxa7 Rxa7 40. Rxa7 Kd6 41. Ra2 Kd7 42. Rc2 Bd6 43. Rc6 |
| ECO A07 in 1998 play it! roeder mathias defeats black's souleidis georgi in 51 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. c4 c6 5. Ne5 Bc8 6. d4 e6 7. Nc3 Nbd7 8. O-O Bd6 9. Bf4 Qe7 10. Nxd7 Qxd7 11. cxd5 exd5 12. Be5 O-O 13. Bxf6 gxf6 14. a3 Qe7 15. e4 dxe4 16. Nxe4 Bc7 17. Qh5 f5 18. Ng5 f6 19. Rfe1 Qg7 20. Ne6 Bxe6 21. Rxe6 Qg6 22. Qe2 Rad8 23. Rd1 Kh8 24. d5 cxd5 25. Rxd5 Be5 26. Rdxe5 |
| ECO A04 in 2006 play it! roeder mathias defeats black's lieb harald in 79 moves | 1. Nf3 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 d6 7. d4 Qe8 8. d5 a5 9. Nd4 Na6 10. b3 Bd7 11. Rb1 c6 12. Bb2 Nc7 13. dxc6 bxc6 14. Na4 e5 15. Nc2 Qe7 16. Nb6 Ra7 17. Nxd7 Qxd7 18. c5 Nfe8 19. cxd6 Nxd6 20. f4 Ne6 21. fxe5 Ne4 22. Bxe4 fxe4 23. Qxd7 Rxd7 24. Rfd1 Rfd8 25. Rxd7 Rxd7 26. Ne3 Bf8 27. Nc4 Bc5+ 28. Kg2 Ra7 29. Nd6 e3 30. Ne4 Bd4 31. Kf3 c5 32. Bxd4 cxd4 33. Rc1 Kf7 34. Nd6+ Kg7 35. Ke4 a4 36. b4 a3 37. Kd5 Rc7 38. b5 d3 39. exd3 Ng5 40. d4 |
| ECO A05 in 1998 play it! roeder mathias defeats black's sierra miguel an in 71 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 a6 11. Bc4 h6 12. Be3 Bd7 13. Rc1 b6 14. Bb3 a5 15. Rxc7 Na6 16. Rc3 a4 17. Bc4 b5 18. Bd3 f5 19. a3 b4 20. Rc2 Rdb8 21. O-O bxa3 22. bxa3 Rb3 23. Bxa6 Rxa6 24. Rc7 Bb5 25. Ra1 Bd3 26. Nd2 Rb8 27. f3 Bf8 28. Rc3 fxe4 29. fxe4 Be2 30. Kf2 Bh5 31. Bc5 Rb2 32. Ke3 g5 33. Bxf8 Kxf8 34. Rf1+ Kg8 35. Rf5 Bd1 36. Rxe5 |
| ECO A07 in 1997 play it! roeder mathias defeats black's acosta alejandro in 75 moves | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. b3 Nd7 5. Bb2 Ngf6 6. O-O Qc7 7. d3 e5 8. Nbd2 Bd6 9. h3 Bh5 10. Nh4 O-O 11. Nf5 Bc5 12. Qe1 Bg6 13. Nh4 e4 14. Nxg6 fxg6 15. e3 Rae8 16. dxe4 dxe4 17. a4 b5 18. Qe2 a6 19. axb5 axb5 20. Ra6 Rf7 21. Rfa1 Rfe7 22. Ra8 Qb6 23. Rxe8+ Rxe8 24. Rd1 Qc7 25. Rb1 Qd6 26. c3 Ba3 27. Ba1 Bc5 28. b4 Bb6 29. c4 Bc7 30. Bc3 bxc4 31. Qxc4+ Qe6 32. Qxe6+ Rxe6 33. Rc1 Nb6 34. Bxf6 gxf6 35. Nxe4 Nd5 36. Nc5 Re8 37. Na6 Bd6 38. Rxc6 |
| ECO A05 in 2006 play it! roeder mathias defeats black's mastalerz x in 61 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 O-O 7. Bd3 h6 8. Bh4 c5 9. a3 Bxc3+ 10. bxc3 d6 11. O-O Nbd7 12. Nd2 Qc7 13. e4 cxd4 14. cxd4 e5 15. Re1 Rfe8 16. f3 Nh7 17. Bf1 Nhf8 18. Nb3 Ng6 19. Bf2 Rad8 20. Qd2 Nf6 21. a4 Nf4 22. a5 Ne6 23. Qb4 exd4 24. Nxd4 Qc5 25. Qd2 Qe5 26. Nxe6 fxe6 27. axb6 axb6 28. Bxb6 Ra8 29. Bd4 Qh5 30. Rxa8 Rxa8 31. Bxf6 |
| ECO A05 in 1998 play it! roeder mathias defeats black's de martin juan a in 59 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 c5 6. c4 Nc6 7. O-O d6 8. Nc3 e5 9. e3 Bg4 10. h3 Bxf3 11. Bxf3 Qd7 12. Bg2 a6 13. d3 Rab8 14. Qd2 b5 15. Rac1 b4 16. Ne2 Nh5 17. d4 exd4 18. exd4 Qc7 19. Rcd1 Rbd8 20. g4 Nf6 21. d5 Nb8 22. Ng3 Nbd7 23. f4 Ne8 24. Ne4 h6 25. Bxg7 Kxg7 26. f5 Nef6 27. g5 Nxe4 28. gxh6+ Kh7 29. Bxe4 Ne5 30. Qg5 |
| ECO A04 in 2003 play it! roeder mathias defeats black's hisler thomas in 63 moves | 1. Nf3 f5 2. c4 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 a5 8. b3 Na6 9. Bb2 Qe8 10. Re1 d5 11. Ne5 c6 12. f3 c5 13. e3 Bd7 14. Rc1 Bc6 15. cxd5 exd5 16. Qc2 Qh5 17. Ne2 Ne8 18. Nf4 Qh6 19. dxc5 Bxc5 20. Bd4 Bb4 21. Red1 g5 22. Nfd3 Rc8 23. Nxb4 Nxb4 24. Qd2 f4 25. exf4 gxf4 26. a3 Na6 27. Nd3 Qd6 28. Nxf4 Nec7 29. Bb2 Ne6 30. Nxe6 Qxe6 31. Bh3 Qxh3 32. Qg5+ |
| ECO A05 in 2006 play it! roeder mathias defeats black's van hecke ewout in 83 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ Bd7 6. Qb3 Nb6 7. d4 Be6 8. Qc2 Nc6 9. e4 Nb4 10. Qd1 Bg4 11. a3 Nc6 12. d5 Bxf3 13. gxf3 Nb8 14. Qd4 f6 15. Be3 Bg7 16. Bh3 O-O 17. Be6+ Kh8 18. h4 f5 19. e5 f4 20. Bxf4 Nc6 21. Qe4 Rxf4 22. Qxf4 Nxe5 23. Qe4 Qf8 24. Ke2 Nbc4 25. h5 g5 26. h6 Bf6 27. f4 Nd6 28. fxe5 Nxe4 29. Nxe4 Qe8 30. exf6 exf6 31. Ke3 Qe7 32. f4 c6 33. f5 cxd5 34. Nf2 Qc5+ 35. Kf3 Qc4 36. Rad1 Qf4+ 37. Kg2 d4 38. Rd3 Rd8 39. Re1 Qc7 40. Re4 Qc6 41. Kg3 Qc2 42. Rexd4 |
| ECO A04 in 2001 play it! roeder mathias defeats black's pinho paulo in 69 moves | 1. Nf3 f5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. d4 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 h6 11. Rd1 g5 12. Bd2 f4 13. Ne4 Qe8 14. Be1 Qh5 15. c5 Nxe4 16. Bxe4 fxg3 17. hxg3 Qxe2 18. d6+ Kh8 19. dxe7 Re8 20. Bf3 Qa6 21. Rd8 Bh3 22. Rad1 Qf6 23. Rxa8 Rxa8 24. Qxb7 Re8 25. Rd8 Rxd8 26. exd8=Q+ Qxd8 27. Be4 Be6 28. Bc3 g4 29. Qxa7 Bc4 30. Qa4 Be6 31. a3 Bf6 32. Qa8 Bc8 33. Bb7 Bxb7 34. Qxb7 h5 35. Qe4 |
| ECO A05 in 2003 play it! roeder mathias defeats black's ahn martin in 85 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c5 7. Nc3 cxd4 8. Nxd4 Nc6 9. Nc2 Be6 10. b3 Ng4 11. Bd2 f5 12. Rc1 f4 13. gxf4 Rf5 14. Ne4 Rh5 15. h3 Nh6 16. Ng5 Qd7 17. Nxe6 Qxe6 18. e4 Rf8 19. Be3 Qf6 20. Ne1 Nd8 21. Nd3 Ne6 22. f5 Nd4 23. Nf4 Rg5 24. Bxd4 Rxg2+ 25. Nxg2 Qxd4 26. Qxd4 Bxd4 27. Nf4 Rf6 28. Nd5 Rf7 29. Rfd1 Bg7 30. fxg6 hxg6 31. c5 dxc5 32. Rxc5 e6 33. Rc8+ Kh7 34. Ne3 Be5 35. Rcd8 Rf4 36. R1d7+ Nf7 37. Rxb7 Kg7 38. Nc4 Bc3 39. Nd6 Be5 40. Nxf7 Rxf7 41. Rxf7+ Kxf7 42. Rd7+ Kf6 43. Rxa7 |
| ECO A05 in 2000 play it! roeder mathias defeats black's naes flovin tor in 43 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 Nxc3 7. bxc3 e5 8. d3 Be7 9. Rb1 Qa5 10. Qc2 O-O 11. O-O Rb8 12. Nd2 Bd7 13. Nc4 Qc7 14. f4 Bf6 15. f5 b5 16. Ne3 b4 17. Nd5 Qd6 18. c4 Nd4 19. Qd2 Bxf5 20. e3 Bg5 21. Qd1 b3 22. axb3 |
| ECO A05 in 1998 play it! roeder mathias defeats black's bernard christop in 78 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 6. Nxd4 Nc6 7. Be3 O-O 8. Be2 b6 9. O-O Bb7 10. Nxc6 dxc6 11. e5 Ne8 12. f4 Qc7 13. Qb3 Kh8 14. c5 b5 15. a4 bxa4 16. Rxa4 f6 17. Ne4 Bc8 18. exf6 Nxf6 19. Rd1 Re8 20. Nxf6 exf6 21. Bf3 Be6 22. Qc3 Rab8 23. b4 Rbd8 24. Rxd8 Rxd8 25. Qa3 Rd7 26. Ra6 Bd5 27. Bxd5 cxd5 28. c6 Rd8 29. Qc3 d4 30. Bxd4 Qxf4 31. c7 Rc8 32. Rxa7 Qe4 33. h3 Qb1+ 34. Kh2 Qf5 35. Rb7 h5 36. Rb8 Kh7 37. Rxc8 Qxc8 38. b5 Bf8 39. Qc6 Qf5 |
| ECO A09 in 2005 play it! roeder mathias defeats black's vega gutierrez b in 91 moves | 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Qc2 Nbd7 5. cxd5 cxd5 6. Nc3 a6 7. g4 e6 8. g5 Ng8 9. h4 b6 10. d4 Bb7 11. Bd2 Ne7 12. Bd3 Nc6 13. a3 Rc8 14. Bxh7 g6 15. Bxg6 fxg6 16. Qxg6+ Ke7 17. h5 Qe8 18. Nh4 Kd8 19. Qxe8+ Kxe8 20. Ng6 Rh7 21. f4 Bd6 22. Ke2 Ne7 23. Nxe7 Kxe7 24. Rag1 Rg8 25. Nd1 Rgh8 26. h6 Rg8 27. g6 Rhh8 28. Bb4 Bxb4 29. axb4 Bc6 30. Nf2 Nf6 31. Kf3 Be8 32. g7 Rh7 33. Rg5 Bf7 34. Ng4 Nxg4 35. Rxg4 Kf6 36. Rgg1 Rc8 37. e4 dxe4+ 38. Kxe4 Bg6+ 39. Ke3 Bf7 40. Ra1 Ra8 41. Rac1 Kg6 42. f5+ exf5 43. Rc6+ Kg5 44. Rg1+ Kh5 45. Rc2 Re8+ 46. Kf4 |
| ECO A05 in 2006 play it! roeder mathias defeats black's mrdja milan in 66 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. h3 c5 7. d5 e6 8. Bd3 exd5 9. exd5 Re8+ 10. Be3 Bh6 11. O-O Bxe3 12. fxe3 Qe7 13. e4 Nbd7 14. Qd2 Ne5 15. Nxe5 Qxe5 16. Rf2 Re7 17. Raf1 Nd7 18. Ne2 a6 19. b3 b5 20. cxb5 axb5 21. Bxb5 Qxe4 22. Nc3 Qe3 23. Qxe3 Rxe3 24. Bc6 Rxc3 25. Bxa8 f5 26. Bc6 Ne5 27. Bb5 Kf7 28. Rf4 Kf6 29. Ra4 Kg5 30. h4+ Kh5 31. Ra7 f4 32. Rxf4 g5 33. Be2+ Bg4 |
| ECO A05 in 2006 play it! roeder mathias defeats black's van zutphen jimm in 81 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ c6 6. Nxd5 Qxd5 7. e4 Qd8 8. d4 Bg7 9. Be3 O-O 10. Rd1 Nd7 11. Be2 Qc7 12. O-O e5 13. d5 cxd5 14. exd5 Nb6 15. Qb4 Bf5 16. Rd2 Rfd8 17. Rfd1 Rac8 18. a4 Qd6 19. Qh4 Nd7 20. a5 Nc5 21. Ng5 h6 22. Ne6 g5 23. Qh5 Bg6 24. Qg4 fxe6 25. dxe6 Nd3 26. Bxd3 Bxd3 27. Rxd3 Qe7 28. Bc5 Qe8 29. Rxd8 Rxd8 30. Rxd8 Qxd8 31. e7 Qe8 32. Qe6+ Kh7 33. h4 gxh4 34. Kh2 a6 35. b4 h3 36. g4 Kh8 37. Kxh3 Kh7 38. f3 Kh8 39. Kh4 Kh7 40. Be3 h5 41. g5 |