| ECO A05 in 2002 play it! wahls matthias defeats black's handke florian in 79 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 d4 5. Bg2 c5 6. e3 Nc6 7. exd4 cxd4 8. O-O Bd6 9. d3 O-O 10. Bg5 h6 11. Bxf6 Qxf6 12. Ne1 e5 13. Nd2 Qe7 14. Nc2 Nb4 15. Ne4 Nxc2 16. Qxc2 Bb4 17. c5 Bf5 18. Nd6 Bg6 19. Qc4 Bc3 20. Rac1 Rad8 21. Nxb7 Rb8 22. c6 Rfc8 23. h3 e4 24. dxe4 Qf6 25. f4 Rxc6 26. Qd5 Rc7 27. Nd6 d3 28. e5 Qe7 29. f5 Bh7 30. Qxd3 Bxe5 31. Nc4 Qc5+ 32. Kh2 Bf6 33. Rcd1 Rcc8 34. Qd5 Qe7 35. Qd7 Qf8 36. Qxa7 Rb5 37. Nd6 Rcb8 38. Nxb5 Rxb5 39. Qd7 Ra5 40. Rc1 |
| ECO A05 in 1999 play it! wahls matthias defeats black's cela altin in 81 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 h6 8. Rb1 a5 9. a3 Nc6 10. b4 axb4 11. axb4 Be6 12. b5 Ne7 13. Bb2 Qd7 14. Ra1 Bh3 15. Qb3 Qe6 16. Nd2 Bxg2 17. Kxg2 Nd7 18. Ra3 Rab8 19. Rfa1 f5 20. Ra7 e4 21. dxe4 Nc5 22. Qc2 fxe4 23. Nd1 Bxb2 24. Qxb2 Nf5 25. Qc3 Rbe8 26. Nb3 Nd3 27. h3 Nh4+ 28. gxh4 Nf4+ 29. Kf1 e3 30. Nxe3 Nxh3 31. Ke1 Nxf2 32. Ra8 Rxa8 33. Rxa8 Rxa8 34. Kxf2 Rf8+ 35. Ke1 Qe4 36. Kd2 Qxh4 37. Qd3 Kg7 38. Nd4 Qh3 39. Nef5+ Qxf5 40. Nxf5+ Rxf5 41. Qd4+ |
| ECO A05 in 2002 play it! wahls matthias defeats black's bunzmann dimitri in 85 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bg2 b6 6. Bb2 O-O 7. O-O Bb7 8. e3 c5 9. Nc3 Nc6 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. d4 Qd8 13. dxc5 Bxc5 14. Ne5 Nxe5 15. Bxb7 Rb8 16. Be4 Ng6 17. Qe2 a5 18. h4 f5 19. Bg2 Qe7 20. Rad1 Rbd8 21. Qc4 Rc8 22. h5 Nh8 23. h6 gxh6 24. Qf4 Nf7 25. e4 Qg5 26. exf5 Qxf4 27. gxf4 exf5 28. Bd5 Rfd8 29. Kh1 Kf8 30. Rg1 Rd7 31. Bg7+ Ke8 32. Bf6 Kf8 33. Bg7+ Ke8 34. Bf6 Kf8 35. Rg2 Ba3 36. Rdg1 Ng5 37. Bc4 Rxc4 38. bxc4 Ne6 39. Be5 Kf7 40. Rh2 Bf8 41. Rh5 Rd2 42. Rxf5+ Ke7 43. Re1 |
| ECO A16 in 2002 play it! wahls matthias defeats black's zwanzger johanne in 105 moves | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. a3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. d3 h6 9. Rb1 Be6 10. b4 Qd7 11. b5 Ne7 12. e4 c6 13. bxc6 bxc6 14. Qa4 Rfb8 15. Be3 Ne8 16. Nd2 c5 17. Qxd7 Bxd7 18. Rfc1 Nc6 19. Nd5 Rxb1 20. Rxb1 Rb8 21. Rb5 Kf8 22. Bf3 Be6 23. Bd1 Rxb5 24. cxb5 Bxd5 25. exd5 Nd4 26. Bxd4 cxd4 27. Nc4 Ke7 28. a4 f5 29. a5 Nc7 30. b6 axb6 31. axb6 Na6 32. Na5 Kd7 33. Ba4+ Kc8 34. Be8 g5 35. Bg6 f4 36. Kg2 Nc5 37. Kf3 Kb8 38. Kg4 fxg3 39. fxg3 Nd7 40. Kf5 Nxb6 41. Ke6 Kc7 42. Bf5 h5 43. Nb3 e4 44. Bxe4 Be5 45. Nd2 h4 46. Nf3 Nd7 47. g4 Bf4 48. Kf5 h3 49. Nxd4 Bxh2 50. Ne6+ Kb6 51. Nxg5 Kc5 52. Nxh3 Nb6 53. Nf4 |
| ECO A25 in 2002 play it! wahls matthias defeats black's enders peter in 45 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 Nge7 6. Nge2 Nd4 7. Nxd4 exd4 8. Ne2 d6 9. d3 a6 10. h3 h5 11. b4 O-O 12. a4 Rb8 13. a5 b6 14. axb6 c5 15. bxc5 dxc5 16. b7 Bxb7 17. Bf4 Ra8 18. Qb3 Ra7 19. Qa3 Qb6 20. O-O Rc8 21. Rfb1 Qe6 22. Bd2 Bf8 23. Ba5 |
| ECO A20 in 2002 play it! wahls matthias defeats black's chevelevitch evg in 55 moves | 1. c4 e5 2. d3 Nf6 3. Nf3 d6 4. g3 g6 5. b4 Bg7 6. Bb2 O-O 7. Nbd2 e4 8. dxe4 Re8 9. Bg2 Nxe4 10. Bxg7 Kxg7 11. Nxe4 Rxe4 12. Nd2 Re8 13. Ne4 Nc6 14. b5 Ne5 15. Qd4 f5 16. Nc3 Qf6 17. Rd1 Be6 18. Bxb7 c5 19. bxc6 Bxc4 20. Kf1 Rab8 21. f4 Ng4 22. Qxf6+ Nxf6 23. Rxd6 Ne4 24. Rd4 Nxc3 25. Rxc4 Nd5 26. Kf2 Re7 27. Rd1 Ne3 28. Rd7 |
| ECO A25 in 2001 play it! wahls matthias defeats black's sadler matthew in 79 moves | 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. d3 Nf6 7. e3 O-O 8. Nge2 a6 9. O-O Rb8 10. b3 b5 11. Bb2 Ne7 12. Qc2 c6 13. Rbe1 d6 14. Kh1 Be6 15. f4 Bf7 16. Nd1 Nd7 17. Nf2 Qb6 18. Ba1 h6 19. Qd2 Rbd8 20. Bc3 Qa7 21. e4 Kh7 22. g4 fxg4 23. Nxg4 Be6 24. Ne3 Kh8 25. d4 exf4 26. Nxf4 Bg8 27. Bh3 Nf6 28. Qd3 b4 29. Ba1 d5 30. exd5 Bh7 31. Ne6 cxd5 32. Bg2 g5 33. Qe2 Ng6 34. Nf5 Nf4 35. Rxf4 gxf4 36. Nfxg7 Be4 37. cxd5 f3 38. Bxf3 Bxf3+ 39. Qxf3 Qe7 40. Qe2 |
| ECO A16 in 2001 play it! wahls matthias defeats black's langheinrich fer in 59 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 e5 6. e4 Nc6 7. Nge2 Nh5 8. O-O d6 9. Nd5 f5 10. exf5 Bxf5 11. h3 Bd7 12. g4 Nf6 13. Bg5 Qc8 14. Qd2 Nxd5 15. cxd5 Nd4 16. Nxd4 exd4 17. Rac1 Rf7 18. Rc2 a5 19. Be4 Bxg4 20. hxg4 Qxg4+ 21. Bg2 Rf5 22. f4 h6 23. Be7 Re8 24. Qe2 Qxe2 25. Rxe2 Kf7 26. Bh3 Rxe7 27. Rxe7+ Kxe7 28. Bxf5 gxf5 29. Re1+ Kf7 30. Rc1 |
| ECO A20 in 2004 play it! wahls matthias defeats black's pirrot dieter in 113 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. d3 f5 7. Nge2 Nh6 8. h4 f4 9. gxf4 O-O 10. f3 Nf7 11. Nd5 Nb8 12. h5 c6 13. hxg6 hxg6 14. Ndc3 Be6 15. fxe5 dxe5 16. Be3 Na6 17. Qd2 Qd7 18. O-O-O b5 19. Qe1 Rfd8 20. Qh4 Kf8 21. Qh7 bxc4 22. Qxg6 cxd3 23. Ng3 Nh8 24. Rxh8+ Bxh8 25. Rh1 Bg7 26. Rh7 Qf7 27. Rxg7 Qxg6 28. Rxg6 Kf7 29. Rg5 Rg8 30. Bf1 Nb4 31. Kd2 Nc2 32. Rxg8 Rxg8 33. Bf2 Nd4 34. Bxd3 Nxf3+ 35. Ke3 Nh2 36. Ke2 Bg4+ 37. Kd2 Nf3+ 38. Kc2 Nd4+ 39. Bxd4 exd4 40. Na4 Be6 41. Ne2 Rd8 42. Nc5 Kf6 43. Ba6 Bg4 44. Nc1 Rh8 45. N1d3 Be2 46. Kb3 Rb8+ 47. Nb4 Bd1+ 48. Kc4 Be2+ 49. Kxd4 Rxb4+ 50. Kc3 Bxa6 51. Kxb4 Bc8 52. Nd3 Ba6 53. Kc3 Ke7 54. Nb4 Bb7 55. Kd4 c5+ 56. Kxc5 Bxe4 57. Nc6+ |
| ECO A10 in 2002 play it! wahls matthias defeats black's reddmann hauke in 87 moves | 1. c4 f5 2. g3 Nf6 3. Nc3 e6 4. Bg2 Bb4 5. Qc2 a5 6. Nf3 O-O 7. O-O Nc6 8. Nb5 Be7 9. d4 Ne4 10. a3 d6 11. d5 Na7 12. Nxa7 Rxa7 13. Be3 Ra6 14. Nd4 exd5 15. cxd5 Nc5 16. b3 Bf6 17. Rad1 Bxd4 18. Bxd4 b6 19. b4 axb4 20. axb4 Nd7 21. Rd3 Nf6 22. Rc3 Ne8 23. e4 Rf7 24. f4 fxe4 25. Bxe4 Nf6 26. Bg2 Ne8 27. Be4 Nf6 28. Bg2 Ne8 29. f5 Bd7 30. g4 Qa8 31. g5 Ra1 32. Rf3 Ra2 33. Qe4 Bb5 34. Re1 c5 35. g6 cxd4 36. gxf7+ Kxf7 37. Qe6+ Kf8 38. f6 Nxf6 39. Qxd6+ Kg8 40. Qxb6 Bc4 41. Qe6+ Kh8 42. Rxf6 Rxg2+ 43. Kxg2 Bxd5+ 44. Kg1 |
| ECO A16 in 2001 play it! wahls matthias defeats black's gutman lev in 89 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 Nc6 6. Nge2 a6 7. O-O Rb8 8. d4 b5 9. e5 Ne8 10. c5 b4 11. Nd5 e6 12. Ne3 Ne7 13. Qa4 d6 14. Rd1 d5 15. Ng4 Bd7 16. Qc2 Nc6 17. h4 f6 18. exf6 Nxf6 19. Bg5 Qe8 20. Nxf6+ Bxf6 21. Bxf6 Rxf6 22. Qd2 Qf7 23. f4 h6 24. Nc1 Qg7 25. Qe3 g5 26. hxg5 hxg5 27. Ne2 gxf4 28. Nxf4 Rh6 29. Rd2 Rf8 30. Re1 Ne7 31. Qe5 Qg4 32. Bh3 Rxh3 33. Nxh3 Rf5 34. Qxc7 Kf7 35. Nf2 Qf3 36. Nd3 Kf6 37. Qxd7 e5 38. dxe5+ Kf7 39. c6 Qxg3+ 40. Rg2 Qxd3 41. e6+ Kf6 42. Qa7 Qc4 43. Qe3 Qh4 44. c7 d4 45. Qe4 |
| ECO A22 in 2001 play it! wahls matthias defeats black's mcshane luke j in 83 moves | 1. c4 e5 2. Nc3 Nf6 3. e3 Bb4 4. Nge2 O-O 5. a3 Bxc3 6. Nxc3 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Qxc3 Re8 10. b4 Bf5 11. Bb2 Nd7 12. Be2 Nb6 13. Rc1 Na4 14. Qb3 Nxb2 15. Qxb2 Qg5 16. g3 Re7 17. Rc5 Be4 18. O-O Rae8 19. f4 Qg6 20. Rxe5 Rxe5 21. fxe5 Qg5 22. Qb3 Re7 23. d4 Qg6 24. Rf4 h6 25. Qc4 b6 26. Qc3 c6 27. Bc4 Rb7 28. Qb3 Re7 29. Qd1 Bf5 30. Qf1 Be4 31. Qd1 Bf5 32. Qe2 Bd7 33. Bd3 Qe6 34. Bc2 g6 35. Qd3 Kg7 36. Bb3 Qh3 37. Qc4 Be8 38. Qc3 Qd7 39. d5 Qd8 40. d6 Rb7 41. e6+ f6 42. Qd4 |
| ECO A10 in 2003 play it! wahls matthias defeats black's haskamp stephan in 80 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 e6 6. b4 Nxb4 7. axb4 cxb4 8. Nb5 Bxa1 9. Qa4 Bf6 10. d4 a6 11. Nd6+ Kf8 12. Qxb4 Kg7 13. Nf3 Be7 14. c5 Bxd6 15. cxd6 b5 16. Bb2 f6 17. Nd2 a5 18. Qxb5 Ba6 19. Qa4 Rb8 20. Bc3 Rc8 21. Qa1 a4 22. O-O Nh6 23. Ne4 Nf7 24. Re1 Bb7 25. d5 e5 26. f4 Bxd5 27. fxe5 Bxe4 28. exf6+ Kh6 29. Bxe4 Qb6+ 30. Bd4 Qxd6 31. Rd1 Qe6 32. Bd5 Qxe2 33. Re1 Qd3 34. Bxf7 Rc2 35. Bd5 Rhc8 36. Be4 Qb3 37. Bxc2 Rxc2 38. Be3+ g5 39. f7 Qd5 40. Qf6+ Kh5 |
| ECO A16 in 2002 play it! wahls matthias defeats black's trisic alexandar in 66 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 c5 6. Rb1 Nc6 7. a3 a5 8. Nh3 d6 9. Nf4 g5 10. Nfd5 e6 11. Nxf6+ Bxf6 12. Bd2 Be7 13. O-O f5 14. Nb5 Kh8 15. e3 Bf6 16. Kh1 Qe7 17. d4 e5 18. dxc5 dxc5 19. Nc3 Bg7 20. Nd5 Qd8 21. Qa4 Ra6 22. Bc3 Rf7 23. Qc2 f4 24. Qd1 Qf8 25. Qh5 f3 26. Bh3 Bxh3 27. Qxh3 Nd8 28. Rfd1 Ne6 29. Bxa5 Rf5 30. Nc7 Nxc7 31. Bxc7 Qf7 32. Rd8+ Bf8 33. Rbd1 Kg7 |
| ECO A11 in 1988 play it! wahls matthias defeats black's hermann manfred in 101 moves | 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 Nb6 10. d5 Nd4 11. Qd1 e5 12. dxe6 Qf6 13. exf7+ Kxf7 14. Bg2 Qe6+ 15. Be3 Nf5 16. Qb3 Qxb3 17. axb3 Bb4 18. Ke2 Bxc3 19. bxc3 Nd5 20. Bd2 Rhe8+ 21. Kf1 Rad8 22. Bh3 Nh4 23. Bg5 Nxf3 24. Bxd8 Nf4 25. Bg4 Nd2+ 26. Kg1 Rxd8 27. h4 h5 28. Bd1 Rd6 29. Kh2 Rd3 30. Rxa7 Rxc3 31. Rxb7+ Kf6 32. Rb6+ Kf5 33. Rb5+ Kf6 34. Bxh5 Nxh5 35. Rxh5 Rxb3 36. Kg2 Nf3 37. Rh8 Ne5 38. Rh3 Nd3 39. Rf3+ Kg6 40. Re8 Nc5 41. Rxb3 Nxb3 42. Re5 Nd4 43. Kg3 Nf5+ 44. Kg4 Nh6+ 45. Kf4 Ng8 46. Rg5+ Kf7 47. Rf5+ Kg6 48. h5+ Kh6 49. Rf8 Nf6 50. Rh8+ Nh7 51. Kf5 |
| ECO A16 in 2001 play it! wahls matthias defeats black's christ ralf in 73 moves | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Be7 5. Qb3 O-O 6. a3 Re8 7. d3 d6 8. Be2 a6 9. O-O Bd7 10. Qc2 Rb8 11. b4 Bf8 12. Bb2 b5 13. d4 exd4 14. exd4 Bg4 15. cxb5 axb5 16. Nxb5 Qd7 17. Rac1 d5 18. Rfe1 Bxf3 19. gxf3 Re6 20. Bf1 Rxe1 21. Rxe1 Rb6 22. Rd1 Nh5 23. Nc3 Nf4 24. Na4 Nxd4 25. Rxd4 Rg6+ 26. Kh1 Nh3 27. Bg2 Qe8 28. Bc3 Nxf2+ 29. Qxf2 Qxa4 30. Qb2 Qb5 31. Qd2 c6 32. Qd3 Qb8 33. Rg4 Rh6 34. h3 Qe8 35. Qd2 Re6 36. Bf1 Re3 37. Qd4 |
| ECO A10 in 2004 play it! wahls matthias defeats black's siebrecht sebast in 47 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. d3 d6 6. e4 Nd4 7. Nge2 Bg4 8. h3 Bf3 9. Bxf3 Nxf3+ 10. Kf1 c6 11. Kg2 Nd4 12. Nxd4 exd4 13. Ne2 a5 14. Bf4 Ne7 15. Qd2 h6 16. g4 Qd7 17. a3 a4 18. Rab1 f5 19. exf5 gxf5 20. Ng3 fxg4 21. hxg4 Qxg4 22. Rbe1 O-O 23. Rxe7 Rxf4 24. Rxg7+ |
| ECO A13 in 2001 play it! wahls matthias defeats black's bewersdorff oliv in 80 moves | 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Qc2 a5 10. Nc3 Ne4 11. Nb5 Nd6 12. Nfd4 c6 13. Nxd6 Bxd6 14. Rac1 Rc8 15. Qb1 Qe7 16. cxd5 cxd5 17. Nb5 Ba6 18. Nxd6 Qxd6 19. Rfd1 Ne5 20. Rxc8 Rxc8 21. d4 Nd7 22. Rc1 Nf6 23. Rxc8+ Bxc8 24. Bf1 Bd7 25. Qc1 Qc6 26. f3 Qxc1 27. Bxc1 a4 28. Ba3 axb3 29. axb3 Bc6 30. g4 Nd7 31. Bd6 f6 32. Bd3 Kf7 33. Kf2 g6 34. Ke2 e5 35. Bc7 Ke6 36. Kd2 f5 37. gxf5+ gxf5 38. Kc3 exd4+ 39. exd4 Kf6 40. Bd8+ Ke6 |
| ECO A22 in 2002 play it! wahls matthias defeats black's murdzia piotr by checkmate in 75 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nb6 7. e3 Bd6 8. b4 a6 9. Bb2 O-O 10. Be2 f5 11. d3 Bd7 12. O-O Kh8 13. Rfe1 Qe8 14. Rac1 Qe6 15. g3 Rae8 16. Bf1 Nd8 17. Bg2 Qh6 18. Ba1 Qh5 19. Nb1 Bc6 20. Nbd2 Nd7 21. Qd1 Qh6 22. Nc4 Nf7 23. Na5 Bxf3 24. Qxf3 Ng5 25. Qxb7 f4 26. exf4 exf4 27. Rxe8 Rxe8 28. Qc6 f3 29. Qxd7 Nh3+ 30. Bxh3 Qxc1+ 31. Bf1 Rg8 32. Bd4 Qxa3 33. Nc6 Bxb4 34. Ne5 h6 35. Nf7+ Kh7 36. Qf5+ g6 37. Ng5+ hxg5 38. Qh3# |
| ECO A13 in 2000 play it! wahls matthias defeats black's wells peter k in 69 moves | 1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. b3 c5 5. Bg2 b5 6. Nc3 Qb6 7. e4 d6 8. Qe2 Nc6 9. e5 dxe5 10. cxb5 axb5 11. Qxb5 Qxb5 12. Nxb5 Nd5 13. Bb2 Ba6 14. a4 f6 15. O-O Kd7 16. Rfb1 Be7 17. Bf1 Rhb8 18. Ne1 Nd4 19. Bxd4 cxd4 20. Nc2 Nb4 21. Nca3 d3 22. Bg2 Bb7 23. Nc3 Nc2 24. Nxc2 dxc2 25. Rc1 Bxg2 26. Kxg2 Rxb3 27. Rxc2 Bb4 28. Nb5 Ba5 29. d4 Bb6 30. Rd1 Rxa4 31. dxe5+ Ke7 32. exf6+ gxf6 33. Nd6 f5 34. Re2 Kf6 35. Rde1 |