| ECO C48 in 1991 play it! wahls matthias defeats black's wegner hannu in 95 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. d3 d6 6. Be3 Bb6 7. Nd5 Bxe3 8. fxe3 O-O 9. Nc3 Ne7 10. Qd2 Ng6 11. O-O Bd7 12. Bc4 Be6 13. Bb3 Bxb3 14. axb3 c6 15. Kh1 a6 16. Ng1 d5 17. exd5 Nxd5 18. e4 Ndf4 19. Nge2 f6 20. Ng3 Nh4 21. Rf2 Qd7 22. Nf1 Ne6 23. Ne3 Nd4 24. Na4 Rae8 25. Raf1 Rf7 26. Nc5 Qc7 27. b4 Qb6 28. Qc3 Nb5 29. Qb3 Nd6 30. Qa3 Ng6 31. c3 Nf4 32. Rf3 Ne6 33. Nb3 Qd8 34. Qa2 Qb6 35. Rd1 Ree7 36. Na5 Qc7 37. Rff1 Kh8 38. Nb3 Qb6 39. Rfe1 Kg8 40. Nf5 Rd7 41. d4 exd4 42. Nbxd4 Nf8 43. e5 fxe5 44. Nxd6 Rxd6 45. Nf3 Rxd1 46. Rxd1 Qe3 47. Rf1 Qd3 48. Qxf7+ |
| ECO C68 in 1985 play it! wahls matthias defeats black's lane gary in 43 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. d3 Bg4 7. Be3 O-O-O 8. Nbd2 f6 9. Rb1 Ne7 10. b4 Ng6 11. h3 Be6 12. a4 Qd7 13. d4 Bd6 14. b5 axb5 15. axb5 exd4 16. Ra1 Kb8 17. Nxd4 cxb5 18. Ra8+ Kxa8 19. Qa1+ Kb8 20. Qa7+ Kxa7 21. Nc6+ Ka8 22. Ra1+ |
| ECO C88 in 1996 play it! wahls matthias defeats black's ginsburg gennadi in 75 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 Bb7 9. d3 d6 10. a3 Na5 11. Ba2 c5 12. Nc3 Nc6 13. Nh2 Nd4 14. Bg5 Nd7 15. Bxe7 Qxe7 16. Nd5 Bxd5 17. Bxd5 Rab8 18. c3 Ne6 19. Nf3 Nf4 20. Ba2 a5 21. h4 c4 22. dxc4 bxc4 23. Bxc4 Rxb2 24. Ra2 Rxa2 25. Bxa2 Nc5 26. g3 Nh5 27. Nd2 Nf6 28. Qc2 g6 29. Nc4 Qc7 30. f3 Kg7 31. Rd1 Rd8 32. Qd2 d5 33. Ne3 Ncxe4 34. fxe4 Nxe4 35. Qg2 Nxc3 36. Re1 Qc5 37. Qf2 Nxa2 38. Nf5+ |
| ECO C89 in 1992 play it! wahls matthias defeats black's matthaei alexand in 71 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7 10. d4 Nd7 11. Nbd2 Nb6 12. Nf1 Rc8 13. Ne3 Re8 14. Ng4 exd4 15. cxd4 Na5 16. Bc2 c5 17. d5 f5 18. exf5 Nxd5 19. Ng5 Nf6 20. Ne6 Qd7 21. Bd2 b4 22. a3 Nc4 23. Ba4 Bc6 24. Bb3 d5 25. axb4 cxb4 26. Bc1 Qb7 27. Qd4 Nd6 28. Bc2 Bd7 29. Bd3 Bxe6 30. fxe6 Ra8 31. Ra5 Nde4 32. Nxf6+ Nxf6 33. Bd2 Bd8 34. Raa1 a5 35. Re2 Bb6 36. Qh4 |
| ECO C96 in 1988 play it! wahls matthias defeats black's nikolac juraj in 101 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. dxc5 dxc5 13. Nbd2 f6 14. Nf1 Nb6 15. Qe2 Be6 16. Ne3 Ra7 17. Nf5 Re8 18. Nxe7+ Qxe7 19. b3 Nc6 20. Be3 b4 21. cxb4 Nxb4 22. Rec1 Nc6 23. Bd3 Nd4 24. Nxd4 exd4 25. Bf4 Bf7 26. Qc2 Rc8 27. e5 g6 28. exf6 Qxf6 29. Qd2 Bd5 30. Rc2 a5 31. Rac1 Rf7 32. Bg5 Qd6 33. Qxa5 Nd7 34. Bh4 Re8 35. Bg3 Qf6 36. Re1 Rfe7 37. Rcc1 Rf8 38. Rxe7 Qxe7 39. Re1 Qf6 40. Qc7 Rf7 41. Bb5 Be6 42. Qd6 Bf5 43. Bc4 d3 44. Qxf6 Nxf6 45. Be5 Kf8 46. Bxf7 Kxf7 47. Bxf6 Kxf6 48. g4 Bd7 49. f4 h5 50. Rd1 Bb5 51. Kf2 |
| ECO C08 in 1990 play it! wahls matthias defeats black's frick renato in 113 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. dxc5 Bxc5 7. Nb3 Bb6 8. Bb5+ Bd7 9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Bd3 Re8 12. O-O Nc6 13. Bg5 h6 14. Rfe1+ Be6 15. Be3 Bxe3 16. Rxe3 Kd6 17. Nfd4 Nxd4 18. Nxd4 Bd7 19. Rxe8 Rxe8 20. f3 a6 21. Kf2 Nh5 22. g3 g6 23. Rd1 Re7 24. c3 Ng7 25. Be2 Kc7 26. Nc2 Be6 27. a3 Rd7 28. Nb4 Ne8 29. Rd2 Nf6 30. Nc2 Ng8 31. Ne3 Ne7 32. f4 h5 33. Bf3 b5 34. Nc2 Rd6 35. Nd4 Ng8 36. f5 gxf5 37. Bxh5 Nf6 38. Bf3 Rd8 39. Ke3 Ne4 40. Rg2 Kd7 41. Kf4 Nd6 42. h4 Kc7 43. h5 Rh8 44. Rh2 Kd7 45. Nc2 a5 46. Ne3 Ne4 47. Nxf5 Bxf5 48. Kxf5 Nxg3+ 49. Kf6 Rh7 50. Ke5 Nf1 51. Rh1 Ne3 52. Kd4 Nf5+ 53. Kxd5 Nd6 54. Kc5 f5 55. Bc6+ Kc7 56. Rh4 Re7 57. h6 |
| ECO C03 in 1995 play it! wahls matthias defeats black's lyrberg patrick in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 Be7 9. b3 O-O 10. Bb2 Bxf3 11. Qxf3 c6 12. Rfe1 Re8 13. c4 Qa5 14. a3 Rad8 15. Rad1 Nf8 16. b4 Qc7 17. Bc3 Rd7 18. h4 Red8 19. h5 h6 20. a4 N8h7 21. Ne4 Nxe4 22. Qxe4 Nf8 23. Bc2 f5 24. Qe5 Bf6 25. Qxc7 Rxc7 26. Re3 Rcd7 27. Red3 g6 28. hxg6 Nxg6 29. g3 Kf7 30. a5 Ne7 31. Kg2 b6 32. Ba4 Rc7 33. Rh1 Bg7 34. Bd2 Rcd7 35. Be3 Bxd4 36. Rxh6 Bxe3 37. Rxe3 bxa5 38. bxa5 Rd6 39. c5 Rd2 40. Rhxe6 Nd5 41. Bxc6 |
| ECO C04 in 1989 play it! wahls matthias defeats black's gallagher joseph in 67 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 dxe4 5. Nxe4 Qd5 6. Nd2 e5 7. Ngf3 exd4 8. Bc4 Qf5 9. Nxd4 Nxd4 10. cxd4 Be6 11. Qa4+ Bd7 12. Qb3 O-O-O 13. O-O Bd6 14. Nf3 f6 15. Re1 Ne7 16. Bd2 Kb8 17. d5 c5 18. Ba5 Rde8 19. Nd2 Qh5 20. h3 Ka8 21. Ne4 Nc8 22. Qa3 b5 23. Bxb5 Bxb5 24. Nxd6 Nxd6 25. Qxc5 Bc4 26. Qxd6 Qxd5 27. Qa3 Rxe1+ 28. Rxe1 Rb8 29. Bc7 Rc8 30. Re7 Qd1+ 31. Kh2 Qd4 32. Qb4 Qd5 33. Bb6 axb6 34. Qxb6 |
| ECO C03 in 1995 play it! wahls matthias defeats black's teske henrik in 67 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. g3 Ngf6 6. Nxf6+ Nxf6 7. Bg2 c5 8. Nf3 Qa5+ 9. c3 Be7 10. dxc5 Qxc5 11. Be3 Qa5 12. O-O O-O 13. Bd4 Rd8 14. Qc2 Bd7 15. Ne5 Qa6 16. a4 Bc6 17. Nxc6 bxc6 18. b4 Rac8 19. Rfb1 Nd5 20. Be4 g6 21. b5 Qa5 22. c4 Bb4 23. Rb3 c5 24. Be5 Ne7 25. Bb7 Rd2 26. Qe4 Rcd8 27. Qh4 Kf8 28. Qxh7 Rd1+ 29. Rxd1 Rxd1+ 30. Kg2 Qd8 31. Bf6 Ke8 32. Bc6+ Nxc6 33. Qg8+ Kd7 34. bxc6+ |
| ECO C08 in 1991 play it! wahls matthias defeats black's vuksanovic sanja in 43 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Re1 O-O 11. Nf1 Nce4 12. Be3 Re8 13. Bd4 a5 14. Ne3 g6 15. Qd3 Ra6 16. Rad1 Rd6 17. Qb3 b6 18. c4 Bf8 19. cxd5 Nd7 20. Qb5 Ndc5 21. Ne5 Bh6 22. N3c4 |
| ECO C05 in 1994 play it! wahls matthias defeats black's masserey yvan in 59 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 f6 8. Nf4 Qe7 9. Nf3 cxd4 10. cxd4 fxe5 11. dxe5 Ndxe5 12. Nxe5 Nxe5 13. Qh5+ Nf7 14. O-O g6 15. Bb5+ Bd7 16. Bxd7+ Qxd7 17. Qh3 e5 18. Qxd7+ Kxd7 19. Nxd5 Kc6 20. Nc3 Bc5 21. Be3 Bd4 22. Rac1 Rac8 23. Ne2+ Kd5 24. Rcd1 Rc4 25. b3 Rb4 26. Bd2 Rb6 27. Bc3 Rc8 28. Nxd4 exd4 29. Rxd4+ Kc6 30. Ba5 |
| ECO C05 in 1994 play it! wahls matthias defeats black's fitzner f in 95 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 Bb4+ 10. Bd2 f6 11. exf6 Nxf6 12. O-O Bd6 13. Bc3 O-O 14. Ng3 Bd7 15. a3 Rac8 16. Ne5 Be8 17. Kh1 g6 18. f4 Ne7 19. Qe2 Nf5 20. Qe1 Qc7 21. Rc1 Qe7 22. Qd2 Rc7 23. Rce1 Qg7 24. Kg1 Re7 25. Bb4 Bxb4 26. Qxb4 Nxg3 27. hxg3 Nh5 28. Rf3 g5 29. fxg5 Rxf3 30. Nxf3 Nxg3 31. Qd6 Nh5 32. Rxe6 Rxe6 33. Qxe6+ Qf7 34. Qe5 Nf4 35. Bf5 Ng6 36. Bxg6 hxg6 37. Qb8 b6 38. Qd8 Kg7 39. Ne5 Qe6 40. Qc7+ Kg8 41. Qxa7 Qc8 42. Qe7 Qc1+ 43. Kh2 Qf4+ 44. Kh3 Qf5+ 45. Kg3 Ba4 46. Qd8+ Kg7 47. Qc7+ Kf8 48. Qb8+ |
| ECO C09 in 1994 play it! wahls matthias defeats black's casper thomas in 79 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Ne7 9. Nb3 Bb6 10. Re1 O-O 11. Be3 Bf5 12. c3 Be4 13. Nfd2 Bg6 14. Nf1 Re8 15. Qd2 Qc7 16. Ng3 Rad8 17. Rad1 h6 18. Ba4 Nc8 19. Nf1 Bxe3 20. Nxe3 Nb6 21. Bb5 Rf8 22. Nd4 Ne5 23. f4 Nec4 24. Bxc4 Nxc4 25. Qf2 Nxe3 26. Rxe3 Be4 27. f5 Qb6 28. Rf1 Rd6 29. g4 a6 30. h4 g6 31. fxg6 Rxg6 32. Rg3 Qd6 33. Ne2 Qd8 34. Qh2 Qd7 35. Qh3 Kh8 36. Nf4 Rg7 37. Nh5 Rg6 38. Nf6 Qd6 39. g5 Rc8 40. Qxc8+ |
| ECO C14 in 1992 play it! wahls matthias defeats black's gempe thomas in 51 moves | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. Qd2 Nc6 10. O-O-O c4 11. f5 Rb8 12. fxe6 fxe6 13. Nb5 Nb6 14. h4 Bd7 15. Nc3 Nc8 16. Qg5 b5 17. Be2 b4 18. Na4 Rf5 19. Qxe7 N8xe7 20. Nc5 Bc8 21. b3 c3 22. Ng5 Rxg5 23. hxg5 Nf5 24. Bd3 g6 25. Bxf5 exf5 26. Rh6 |
| ECO C03 in 1993 play it! wahls matthias defeats black's paehtz thomas in 123 moves | 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 cxd4 6. cxd4 Nc6 7. Ndf3 f6 8. Bd3 Qa5+ 9. Bd2 Bb4 10. Ne2 Bxd2+ 11. Qxd2 Qxd2+ 12. Kxd2 Nge7 13. Bb5 Bd7 14. Rhe1 O-O 15. Rac1 Rac8 16. Rc3 a6 17. Bxc6 Rxc6 18. Rb3 b6 19. Rc1 Rb8 20. Nf4 Rxc1 21. Kxc1 Nc6 22. Re3 Kf7 23. h4 Rc8 24. Kd2 Nb4 25. a3 Nc6 26. g4 fxe5 27. Nxe5+ Nxe5 28. Rxe5 Rc4 29. Kd3 Rc1 30. Re3 Rf1 31. Ke2 Rc1 32. b3 a5 33. Kd2 Ra1 34. a4 Ra2+ 35. Ke1 Ra3 36. g5 g6 37. Nd3 Ke7 38. Ne5 Ra1+ 39. Ke2 Rh1 40. Rc3 Kd6 41. Nf7+ Ke7 42. Rc7 Kxf7 43. Rxd7+ Kf8 44. Rxh7 Rb1 45. Kf3 Rxb3+ 46. Kf4 Ra3 47. Ke5 Rf3 48. Kxe6 Rxf2 49. Rb7 Rf4 50. Kxd5 Rxh4 51. Rxb6 Rh1 52. Rb5 Rf1 53. Ke4 Re1+ 54. Kd3 Rd1+ 55. Ke3 Re1+ 56. Kd2 Rg1 57. Rxa5 Rg3 58. Re5 Kf7 59. a5 Ra3 60. Kc2 Kf8 61. Kb2 Rd3 62. Rd5 |
| ECO C05 in 1994 play it! wahls matthias defeats black's kersten uwe in 67 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Ne4 5. Bd3 c5 6. Nxe4 dxe4 7. Bxe4 cxd4 8. Nf3 Bc5 9. a3 a5 10. b3 Nc6 11. Bb2 Qb6 12. O-O Bd7 13. Qd3 h6 14. Rad1 O-O 15. Qe2 Rfd8 16. Bd3 Be8 17. Qe4 g6 18. Bc1 Bf8 19. Qh4 Qc7 20. Rfe1 Rd5 21. Bxh6 Nxe5 22. Rxe5 Rxe5 23. Bxf8 Rh5 24. Qe7 Qf4 25. Qd6 e5 26. Be7 Bc6 27. Bc4 Kg7 28. Rxd4 Qf5 29. Rd3 Re8 30. Re3 Qf4 31. g3 Qf5 32. Nxe5 Qh3 33. Qf6+ Kh6 34. Qf4+ |
| ECO C04 in 1989 play it! wahls matthias defeats black's landenbergue cla in 93 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. Ngf3 exd4 7. Bc4 Qh5 8. cxd4 Be6 9. Qe2 O-O-O 10. Bxe6+ fxe6 11. Qxe6+ Kb8 12. O-O Re8 13. Qb3 Bd6 14. h3 Na5 15. Qa4 Nf6 16. b4 Nc6 17. b5 Ne7 18. Nc4 Ned5 19. Nxd6 cxd6 20. Qa3 Ne4 21. Re1 Qf5 22. Qd3 Rhf8 23. Bd2 g5 24. Re2 Nf4 25. Bxf4 Qxf4 26. Rae1 d5 27. Qe3 Qf5 28. Ne5 Rc8 29. g4 Qe6 30. f3 Rc3 31. Nc6+ bxc6 32. Qxc3 Nxc3 33. Rxe6 cxb5 34. R1e3 Rc8 35. a3 a5 36. h4 gxh4 37. f4 Kb7 38. Re7+ Kb6 39. R3e6+ Rc6 40. f5 b4 41. axb4 axb4 42. f6 b3 43. f7 b2 44. Rxc6+ Kxc6 45. Re1 Ne2+ 46. Kh1 Nc1 47. f8=Q |
| ECO C05 in 1988 play it! wahls matthias defeats black's lautier joel in 101 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 f6 10. Bd3 Be7 11. Kf1 O-O 12. Kg2 Rf7 13. Ne2 Nf8 14. Nc3 Bd7 15. Na4 Qc7 16. Bd2 fxe5 17. dxe5 g5 18. Rc1 gxf4 19. Bxf4 Ng6 20. Bxg6 hxg6 21. Nc5 Raf8 22. Qd3 Rf5 23. h4 Be8 24. Nb3 Qb6 25. Nfd4 R5f7 26. Rhf1 Nxd4 27. Qxd4 Bd7 28. Qxb6 axb6 29. Be3 Rxf1 30. Rxf1 Rxf1 31. Kxf1 Bd8 32. Nd4 Be7 33. Nf3 Bd8 34. Bg5 Bc7 35. Bf6 b5 36. Ng5 Bb6 37. Ke2 Bg1 38. g4 d4 39. Nf3 Be3 40. Bg5 Bc6 41. Bxe3 dxe3 42. Nd4 Bd7 43. Kxe3 Kf7 44. Kf4 Kg7 45. Kg5 Kf7 46. Kh6 Be8 47. Kh7 Bd7 48. Nf3 Be8 49. Ng5+ Ke7 50. Kg7 b4 51. Ne4 |
| ECO C07 in 1989 play it! wahls matthias defeats black's thesing matthias in 121 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nfxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 Bd7 12. Bf4 Rc8 13. Be2 Nd5 14. Bg3 Bc5 15. Nb3 Bb6 16. c4 Ne7 17. Bd6 Nf5 18. Ba3 Nd4 19. Nxd4 Bxd4 20. Rfd1 Bf6 21. Rd2 Be7 22. Bxe7 Kxe7 23. Rad1 Rhd8 24. f4 Bc6 25. Rxd8 Rxd8 26. Rxd8 Kxd8 27. c5 Kc7 28. Kf2 Bd5 29. a3 a5 30. b4 axb4 31. axb4 Kc6 32. g3 f6 33. Ke3 e5 34. fxe5 fxe5 35. Kd3 b6 36. cxb6 Kxb6 37. Ke3 Bc6 38. Bc4 h6 39. Kd3 Bg2 40. Kc3 Bf3 41. Bf7 Bg2 42. Bc4 Bf3 43. Kd2 Bg2 44. Ke3 Bb7 45. Be2 Bc6 46. Bf3 Bd7 47. Bd5 Bf5 48. Bc4 Bg6 49. Be2 Bh7 50. h4 Kc6 51. Bc4 Bg6 52. g4 Kd6 53. h5 Be8 54. Bd3 Bc6 55. Be2 Be8 56. Ke4 g6 57. g5 gxh5 58. gxh6 Ke6 59. b5 Kf6 60. b6 Bc6+ 61. Ke3 |
| ECO C05 in 1991 play it! wahls matthias defeats black's beliavsky alexan in 53 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Qc7 11. O-O Bd6 12. g3 O-O 13. Bf4 Bxf4 14. Nxf4 Bd7 15. Re1 Qd6 16. Rc1 Rae8 17. Ne5 g5 18. Nh5 Re7 19. Nxf6+ Rxf6 20. Bb5 Be8 21. Bxc6 bxc6 22. Rc5 h5 23. Qc1 Rg7 24. Nxc6 Qf8 25. Re2 Bxc6 26. Rxc6 Qf7 27. Rcxe6 |