| ECO C05 in 1997 play it! wahls matthias defeats black's sermek drazen in 107 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. Bd3 Qb6 8. dxc5 Nxc5 9. Nb3 Bd7 10. c3 a5 11. Be3 a4 12. Nxc5 Bxc5 13. Bxc5 Qxc5 14. Qd2 O-O 15. a3 f6 16. exf6 Rxf6 17. O-O-O Na5 18. Kb1 Bb5 19. Bxb5 Qxb5 20. Ne5 Ra6 21. g3 Rb6 22. Qc2 Ra6 23. Rhe1 Nc4 24. Nxc4 Qxc4 25. Rd4 Qc6 26. c4 Ra5 27. Re5 Qb6 28. Qd2 Rf8 29. cxd5 exd5 30. Rdxd5 Rxd5 31. Qxd5+ Kh8 32. Qc5 Qg6+ 33. f5 Qf6 34. Qe7 h5 35. Qxf6 Rxf6 36. Rb5 b6 37. h3 Kh7 38. g4 Kh6 39. Rb4 Kg5 40. Rxa4 h4 41. Rc4 Rf8 42. a4 Re8 43. Rc3 Re4 44. b3 Re2 45. b4 Kf4 46. Rb3 Re4 47. Ka2 Re2+ 48. Ka3 Re1 49. a5 b5 50. Rc3 Rb1 51. Ka2 Rxb4 52. a6 Rd4 53. a7 Rd8 54. Ra3 |
| ECO C16 in 1992 play it! wahls matthias defeats black's hertneck gerald in 69 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 b6 8. Bb5+ Bd7 9. Bd3 h6 10. h4 Nbc6 11. O-O c4 12. Be2 O-O 13. Re1 f6 14. Bf1 fxe5 15. Nxe5 Nxe5 16. dxe5 Qe8 17. Re3 Rd8 18. Rh3 Qg6 19. a4 Bc6 20. Qe2 h5 21. Ba3 Rd7 22. Rg3 Qh7 23. Qd2 Rf7 24. Rg5 g6 25. Be2 Rf5 26. g4 hxg4 27. Bxg4 Kf7 28. Bxe7 Kxe7 29. Bxf5 gxf5 30. Qd4 Kd8 31. a5 Kc7 32. axb6+ axb6 33. Rb1 Kc8 34. Qxb6 Bb7 35. Qxe6 |
| ECO C05 in 1993 play it! wahls matthias defeats black's chen de in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 f6 10. exf6 Nxf6 11. O-O Bd6 12. b3 O-O 13. Bf4 Bxf4 14. Nxf4 Nxd4 15. Nxd4 e5 16. Nxd5 Qxd4 17. Bc4 Kh8 18. Qxd4 exd4 19. Nc7 Rb8 20. Rad1 Bd7 21. Rxd4 Rbc8 22. Nd5 Nxd5 23. Bxd5 Bb5 24. Rfd1 Be2 25. Re1 Rc2 26. a4 b5 27. a5 h6 28. Re4 Bh5 29. f3 Rd8 30. Re5 Bg6 31. h4 Rc5 32. Bb7 Rxe5 33. Rxe5 b4 34. Rd5 Re8 35. Rd4 Re5 36. a6 Rb5 37. Rd8+ Kh7 38. Bd5 Bc2 39. h5 g5 40. Rd7+ Kh8 41. Bc4 |
| ECO C05 in 1987 play it! wahls matthias defeats black's leiber bernhard in 61 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 O-O 12. Bd3 Kh8 13. Ne2 fxe5 14. dxe5 Be7 15. h4 h6 16. Bb1 Nc5 17. Qc2 Ne4 18. Nc3 Nb4 19. Qe2 Bd7 20. a3 Na6 21. Nxe4 dxe4 22. Qxe4 Rf5 23. Qd4 Qxd4 24. Nxd4 Rff8 25. b4 Nc7 26. Be4 Rfb8 27. Bd2 Nb5 28. Nf3 Bc6 29. Bxc6 bxc6 30. Rhc1 Rb6 31. Be3 |
| ECO C05 in 1992 play it! wahls matthias defeats black's poldauf dirk in 59 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. Bd3 cxd4 8. Nb3 Qb6 9. O-O Be7 10. Kh1 O-O 11. Nfxd4 Nxd4 12. Be3 f5 13. Bxd4 Qc7 14. g4 Nc5 15. Bxc5 Bxc5 16. c3 Bd7 17. Bxf5 exf5 18. Qxd5+ Kh8 19. Qxc5 Bc6+ 20. Kg1 b6 21. Qc4 Qd7 22. Rad1 Qe8 23. Nd4 Be4 24. Qe6 fxg4 25. Qxg4 Bb7 26. Ne6 Rf7 27. Ng5 Re7 28. Qf5 g6 29. Qf6+ Kg8 30. Rd6 |
| ECO C03 in 1994 play it! wahls matthias defeats black's ambroz jan in 63 moves | 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. Be2 Nf6 7. O-O Nc6 8. Re1 Be6 9. Bd3 Be7 10. dxc5 Bxc5 11. Nb3 Bb6 12. Be3 O-O 13. Qd2 Bg4 14. Bxb6 Qxb6 15. Ne5 a5 16. Qf4 Be6 17. a4 Rfd8 18. Nxc6 bxc6 19. Qd4 Rdb8 20. Rab1 Nd7 21. Qh4 Nf8 22. Qe7 Ra7 23. Qd6 Nd7 24. h3 Qb4 25. Qxc6 Qf4 26. Qc3 Qxa4 27. Nd4 Raa8 28. Nxe6 fxe6 29. Rxe6 Rc8 30. Qd2 Nf6 31. Qg5 Rf8 32. Rxf6 |
| ECO C04 in 1993 play it! wahls matthias defeats black's sawadkuhi massou in 31 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 Nh6 5. Ngf3 Be7 6. Bd3 f5 7. exd5 exd5 8. Nf1 Nf7 9. Ne3 g6 10. Qb3 O-O 11. Qxd5 Qe8 12. O-O b6 13. Re1 Rb8 14. b4 Nd8 15. Qb3 Bb7 16. Nd5 |
| ECO C03 in 1989 play it! wahls matthias defeats black's ambroz jan in 76 moves | 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. c4 O-O 7. cxd5 exd5 8. Bd3 c5 9. O-O Nc6 10. Re1 Re8 11. a3 Nf8 12. dxc5 Bxc5 13. b4 Bb6 14. Bb2 Bg4 15. Qa4 Ne7 16. h3 Bf5 17. Bf1 Ne6 18. Nh4 Bg6 19. Rad1 Qb8 20. Nxg6 hxg6 21. Qb5 Qc8 22. Rc1 Qd8 23. Nb3 Nf5 24. Rcd1 Nf4 25. Nc5 Qg5 26. Kh1 Nh4 27. g3 Nf3 28. Re3 Nxh3 29. Bxh3 Qh5 30. Qf1 f5 31. Rdd3 Ng5 32. Kh2 Kh7 33. f4 Ne4 34. Qf3 Qh6 35. Rxd5 Rf8 36. Nxe4 fxe4 37. Rxe4 Kg8 38. Qg4 Rf7 |
| ECO B13 in 1989 play it! wahls matthias defeats black's kosten anthony c in 85 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 Nbd7 8. g3 Nb6 9. Bg2 Bf5 10. Qb5+ Bd7 11. Qa5 O-O 12. Nge2 Bg4 13. Nf4 Ne8 14. Be3 Nd6 15. b3 Rc8 16. Rc1 Qc7 17. O-O Qb8 18. h3 Bf5 19. Rfd1 Rc7 20. Nfe2 h6 21. Nb5 Rxc1 22. Rxc1 Nxb5 23. Qxb5 Qd6 24. Rc5 g5 25. a4 Qg6 26. Qb4 Be4 27. Bxe4 Qxe4 28. Nc3 Qf3 29. Rc7 Nc8 30. Qxb7 Nd6 31. Qa6 Bf6 32. Qe2 Qf5 33. g4 Qg6 34. b4 Ra8 35. b5 Kg7 36. Qd1 h5 37. gxh5 Qh6 38. Qg4 Kh7 39. Ne4 Nxe4 40. Qxe4+ Kg7 41. Qg4 Rd8 42. h4 Rxd5 43. Rc5 |
| ECO B14 in 1992 play it! wahls matthias defeats black's wockenfuss klaus in 110 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8. Bd3 O-O 9. Ne5 Nc6 10. O-O Bd6 11. Nxc6 bxc6 12. Bg5 h6 13. Bh4 Re8 14. Rc1 Bf4 15. Rc2 Qd6 16. Bg3 Bg4 17. Qc1 Bxg3 18. hxg3 Rab8 19. f3 Bd7 20. Qf4 Qxf4 21. gxf4 Rb4 22. Rd1 Kf8 23. Ne2 h5 24. a3 Rb3 25. Nc1 Rb6 26. b4 h4 27. Kf2 Nh5 28. Ne2 a5 29. bxa5 Rb3 30. Ra2 Ra8 31. Bc2 Rbb8 32. Rh1 Ke7 33. Rxh4 Nf6 34. Rh1 Rxa5 35. Rb1 Rxb1 36. Bxb1 Kd6 37. Nc1 Rb5 38. Bd3 Rb8 39. Rc2 Ne8 40. Ke3 Nc7 41. f5 Ra8 42. Rc3 Bc8 43. Na2 Ba6 44. Nb4 Bb5 45. Bxb5 cxb5 46. g4 f6 47. Kf4 Kd7 48. Nd3 Kd6 49. Nc5 Na6 50. Ne6 g5+ 51. Kg3 b4 52. axb4 Nxb4 53. Rc7 Rh8 54. Rf7 Rh6 55. Ng7 Nc2 |
| ECO B14 in 1991 play it! wahls matthias defeats black's gruenberg hansul in 59 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. c5 Ne4 8. Bd3 Nxc3 9. bxc3 Be7 10. O-O O-O 11. Bf4 b6 12. cxb6 axb6 13. Qe2 Ra3 14. Rfc1 Bd7 15. Qc2 g6 16. Rab1 Re8 17. Rb3 Rxb3 18. axb3 Bf6 19. Re1 Qa8 20. h4 Qa5 21. h5 Kg7 22. Qd2 Kg8 23. b4 Qa3 24. Bc7 Bd8 25. Bxd8 Rxd8 26. Qh6 Qxc3 27. Re3 Be8 28. Ng5 Nxd4 29. Qxh7+ Kf8 30. hxg6 |
| ECO B14 in 1994 play it! wahls matthias defeats black's klauser markus in 73 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 O-O 10. O-O Be7 11. Qe2 Bf6 12. Rad1 g6 13. Be4 Nxc3 14. bxc3 Re8 15. Bxc6 bxc6 16. Ne5 Qd5 17. Bf4 Bg7 18. Rfe1 Bb7 19. c4 Qa5 20. c5 Qa4 21. Rb1 Re7 22. Qd2 a5 23. Nf3 Ba6 24. Bd6 Rea7 25. Ne5 Bc4 26. Bb8 Re7 27. Bd6 Rea7 28. Rb6 Rc8 29. Qc3 Bb5 30. a3 f6 31. Ng4 e5 32. Qh3 Re8 33. dxe5 fxe5 34. Qg3 e4 35. h4 h5 36. Ne5 Bxe5 37. Qxg6+ |
| ECO B14 in 1996 play it! wahls matthias defeats black's mueller karsten in 87 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Qc2 Nc6 9. a3 Be7 10. Bd3 Nf6 11. O-O O-O 12. Rd1 h6 13. Bc4 Bd7 14. Be3 Rc8 15. Rac1 Nb8 16. Ne5 Bc6 17. Qe2 Nd5 18. Qg4 Bg5 19. Re1 Bxe3 20. fxe3 Nxc3 21. Nxf7 Rxf7 22. Bxe6 Ne4 23. Bxc8 Nf2 24. Qe6 Bd5 25. Qg6 Rf6 26. Qg3 Nc6 27. Rf1 Ne4 28. Qh3 Rd6 29. Bxb7 Rg6 30. Rc2 Ng5 31. Qc8 Nf3+ 32. Rxf3 Qxc8 33. Bxc8 Bxf3 34. Bf5 Rg5 35. Be6+ Kh8 36. d5 Be4 37. dxc6 Bxc2 38. c7 Rc5 39. c8=Q+ Rxc8 40. Bxc8 Kg8 41. Kf2 Kf7 42. Bb7 Ke6 43. Ke2 Ke5 44. Kd2 |
| ECO B13 in 1988 play it! wahls matthias defeats black's graf juergen in 97 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. Be2 Nbd7 9. Bg5 Nb6 10. Bf3 a5 11. Nge2 a4 12. Qb5 Bd7 13. Qb4 Bf5 14. d6 exd6 15. Bxb7 Rb8 16. Bf3 Bd3 17. O-O Re8 18. Rfe1 h6 19. Bf4 Nc4 20. Qxa4 Nxb2 21. Qa3 g5 22. Bg3 Nc4 23. Qc1 Rc8 24. Qd1 Bf5 25. a4 Qa5 26. Nb5 Ne4 27. Bxe4 Bxe4 28. Nec3 Bc6 29. Rxe8+ Rxe8 30. h4 Qd8 31. hxg5 Qxg5 32. Qd3 Nb2 33. Qc2 Nxa4 34. Qxa4 Ra8 35. Qxa8+ Bxa8 36. Rxa8+ Kh7 37. Ra1 d5 38. Rd1 Qg4 39. Be5 f6 40. Bd6 f5 41. f3 Qg6 42. Nxd5 Qe6 43. Ndc3 Qe3+ 44. Kf1 h5 45. Bg3 Qh6 46. d5 Qa6 47. Kg1 Qc8 48. d6 Bxc3 49. Nxc3 |
| ECO B12 in 1998 play it! wahls matthias defeats black's cvitan ognjen in 111 moves | 1. e4 c6 2. d4 d5 3. f3 Nf6 4. e5 Nfd7 5. c3 c5 6. Na3 cxd4 7. cxd4 Nc6 8. Nc2 Nb6 9. Bd3 e6 10. Ne2 Nb4 11. Nxb4 Bxb4+ 12. Bd2 Bxd2+ 13. Qxd2 O-O 14. O-O Bd7 15. Rfc1 Rc8 16. b3 Rc6 17. Rc5 Nc8 18. Rac1 Ne7 19. b4 Rxc5 20. dxc5 a6 21. f4 f6 22. exf6 Rxf6 23. Nd4 Qc7 24. Rf1 e5 25. fxe5 Qxe5 26. Nf3 Qh5 27. Qe3 Nc6 28. a3 Bg4 29. Nd4 Rxf1+ 30. Bxf1 Ne5 31. h3 Bd7 32. g4 Qe8 33. Bg2 Bc6 34. a4 Bxa4 35. Bxd5+ Kh8 36. Bxb7 Qb8 37. c6 Qd6 38. Bxa6 h5 39. gxh5 Qxd4 40. Qxd4 Nf3+ 41. Kf2 Nxd4 42. c7 Bd7 43. c8=Q+ Bxc8 44. Bxc8 Kh7 45. Bg4 Kh6 46. Be2 g6 47. hxg6 Kxg6 48. h4 Kf5 49. h5 Kg5 50. Bd1 Nb5 51. Ke3 Nc3 52. Kd4 Nb5+ 53. Kc4 Na3+ 54. Kc5 Kh6 55. Be2 Nb1 56. Kd4 |
| ECO B13 in 1987 play it! wahls matthias defeats black's hansen m in 85 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. Be2 Na6 9. Bg5 Qb6 10. Qxb6 axb6 11. d6 exd6 12. Nf3 Nb4 13. O-O Be6 14. Nb5 Ne4 15. Be7 Rfc8 16. Nxd6 Nxd6 17. Bxd6 Nc2 18. Rad1 Rxa2 19. d5 Bf5 20. Be5 Bxe5 21. Nxe5 Re8 22. Bc4 Rxb2 23. g4 b5 24. gxf5 bxc4 25. d6 Rd8 26. d7 Rb5 27. Nxc4 Rb4 28. Ne5 Re4 29. Rd5 f6 30. Nf3 Re7 31. Rc1 Nb4 32. Rc8 Nc6 33. Nd4 Rxd7 34. Rxd8+ Rxd8 35. Nxc6 Rxd5 36. Ne7+ Kf7 37. Nxd5 gxf5 38. Kf1 Ke6 39. Nb6 Kd6 40. Ke2 Kc6 41. Nc8 Kd7 42. Na7 Kd6 43. Ke3 |
| ECO B14 in 1987 play it! wahls matthias defeats black's burgess mark r in 67 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8. Bd3 O-O 9. Ne5 Nc6 10. O-O Re8 11. Nxc6 bxc6 12. Bg5 Qd6 13. Rc1 Ne4 14. Nxe4 dxe4 15. Bc4 Be6 16. Qa4 a5 17. Bxe6 Qxe6 18. Rxc6 Qd7 19. Be3 Re6 20. Rfc1 Rf8 21. Qc2 Bd6 22. Rc8 Ree8 23. Rxe8 Rxe8 24. Qc6 Qe7 25. Qb5 g6 26. Qxa5 f5 27. g3 Qf7 28. Qa4 Rb8 29. Qa6 Qd5 30. Qc6 Qe6 31. Bf4 Rd8 32. Bg5 Rd7 33. Qa8+ Kg7 34. d5 |
| ECO B09 in 1991 play it! wahls matthias defeats black's blees albert in 65 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 O-O 9. Be3 Qa5 10. O-O Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. Kh1 Nd7 14. Bd2 Nc5 15. Rad1 Nxd3 16. cxd3 Rac8 17. Qf2 b5 18. f5 Bxc3 19. Bxc3 b4 20. Bd2 Qxa2 21. Bh6 Rfe8 22. f6 e5 23. Be3 Qb3 24. h4 Nd8 25. h5 Rc2 26. Qh4 Rxb2 27. Rde1 Rc2 28. Rf3 Rc7 29. Ref1 Rb7 30. Qg5 Qxd3 31. Qh6 Ne6 32. hxg6 hxg6 33. Kg1 |
| ECO B09 in 1992 play it! wahls matthias defeats black's reich thomas in 67 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Nc6 7. dxc5 Qa5 8. O-O O-O 9. Qe1 Nd7 10. Bxc6 Qxc5+ 11. Be3 Qxc6 12. Nd5 Qxc2 13. Qh4 Nf6 14. Ng5 Re8 15. Rac1 Qe2 16. Rf2 Qg4 17. Nxf6+ exf6 18. Qxh7+ Kf8 19. Nxf7 Kxf7 20. Rc7+ Bd7 21. h3 Qd1+ 22. Rf1 Qxf1+ 23. Kxf1 Re7 24. Rxd7 Rxd7 25. f5 g5 26. Bd4 Re8 27. Bxf6 Kxf6 28. Qg6+ Ke7 29. Qxg7+ Kd8 30. Qxg5+ Kc7 31. Qc1+ Kb8 32. Qf4 Rde7 33. Qxd6+ Ka8 34. f6 |
| ECO B09 in 2003 play it! wahls matthias defeats black's gallagher joseph in 68 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. Bxd7+ Nfxd7 8. d5 O-O 9. O-O Na6 10. f5 Nc7 11. a4 a6 12. Qe1 b5 13. Qh4 b4 14. Ne2 e6 15. Bg5 f6 16. Bd2 exd5 17. exd5 g5 18. Qe4 Qe8 19. Ng3 Qf7 20. Rad1 Rfe8 21. Qg4 Ne5 22. Nxe5 Rxe5 23. c4 bxc3 24. Bxc3 Rxd5 25. Ne4 h5 26. Qg3 Ne8 27. h3 Rc8 28. Rde1 c4 29. Re3 Qa7 30. Kh1 Qf7 31. Qf3 Kh7 32. Rfe1 Rd3 33. Rxd3 cxd3 34. Qxd3 Qc4 |