| ECO A04 in 1988 play it! appel ralf defeats white's hakshenas ibrahi in 48 moves | 1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. O-O Nf6 5. d3 e6 6. e4 Be7 7. Re1 d5 8. Nbd2 Nc6 9. c3 O-O 10. e5 Nd7 11. h4 b5 12. d4 b4 13. Nf1 bxc3 14. bxc3 Ba6 15. Ne3 Qa5 16. Bd2 Qa3 17. Nc2 Qa4 18. Bf1 Bxf1 19. Rxf1 Rab8 20. Nfe1 cxd4 21. cxd4 Nxd4 22. Qg4 Bc5 23. Nd3 Qxc2 24. Nxc5 Qxc5 |
| ECO A06 in 2006 play it! appel ralf defeats white's werle jan in 96 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 O-O 8. Rd1 b6 9. Be2 Bb7 10. O-O Rc8 11. Rd2 Nh5 12. Bf4 Nxf4 13. exf4 Qc7 14. g3 Nf6 15. f5 exf5 16. Qxf5 Rcd8 17. cxd5 Nxd5 18. Bc4 g6 19. Qc2 Nxc3 20. bxc3 b5 21. Bd3 c5 22. Be4 cxd4 23. Rxd4 Bf6 24. Rxd8 Rxd8 25. Rb1 Qe7 26. Re1 Bxe4 27. Rxe4 Qc5 28. c4 Rc8 29. Nd2 Qf5 30. Qd3 Kg7 31. Qe2 b4 32. Nf1 a5 33. Rf4 Qe6 34. Qc2 Qe1 35. Kg2 Qc3 36. Qe4 Be5 37. Rf3 Qd4 38. Qb7 Rc7 39. Qa6 Qc5 40. Qa8 Ra7 41. Qe8 Bd4 42. Nd2 a4 43. Rf4 b3 44. axb3 a3 45. b4 Qe5 46. Qd8 a2 47. Nf3 Qxf4 48. gxf4 Bf6 |
| ECO A05 in 1989 play it! appel ralf defeats white's lobron eric in 80 moves | 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. Re1 d6 8. e4 Nbd7 9. d4 cxd4 10. Nxd4 Rb8 11. b3 O-O 12. Bb2 a6 13. Qd2 Re8 14. Rac1 Ba8 15. Nd5 e6 16. Nc3 Qc7 17. Rc2 Nc5 18. f3 Rbd8 19. b4 Ncd7 20. f4 Qa7 21. Kh1 e5 22. fxe5 dxe5 23. Nb3 Nc5 24. Nd5 Ncxe4 25. Rxe4 Nxe4 26. Bxe4 f5 27. Bg2 e4 28. Bf1 b5 29. Qe3 Qxe3 30. Nxe3 Rd3 31. Bxg7 Kxg7 32. Re2 bxc4 33. Nxc4 e3+ 34. Kg1 Bf3 35. Nc5 Bxe2 36. Bxe2 Rc3 37. a4 g5 38. Kf1 Rc1+ 39. Kg2 Rc2 40. Kf1 f4 |
| ECO A04 in 2001 play it! appel ralf defeats white's pelletier yannic in 122 moves | 1. Nf3 g6 2. d4 Bg7 3. e4 c6 4. Nc3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. Bc4 Ngf6 8. Neg5 O-O 9. O-O h6 10. Nxf7 Rxf7 11. Bxf7+ Kxf7 12. Qd3 Qe8 13. Re1 Kg8 14. Bd2 Qf7 15. Re2 Kh7 16. Rae1 Ng8 17. Bb4 Nf8 18. Bxe7 Be6 19. d5 Bxd5 20. Ne5 Qf5 21. Qxf5 gxf5 22. Bxf8 Rxf8 23. c4 Be6 24. Ng6 Kxg6 25. Rxe6+ Kf7 26. Rd6 Nf6 27. Re5 Kg6 28. Re7 Rb8 29. Rd3 Ne4 30. Rb3 b6 31. Rxa7 Bd4 32. Rf3 Re8 33. Rd7 Bc5 34. Kf1 Bb4 35. Re3 Bc5 36. Re2 Ra8 37. a3 Ra4 38. b4 Bf8 39. Rd3 c5 40. Rb2 cxb4 41. axb4 Bxb4 42. g4 f4 43. Kg2 Bc5 44. Rc2 Ng5 45. Rb2 Rxc4 46. Rxb6+ Bxb6 47. Rd6+ Kg7 48. Rxb6 Rc3 49. Rb4 Ne6 50. h4 Kf6 51. Rb8 Rd3 52. Rb5 f3+ 53. Kh2 Nd4 54. Rh5 Ne2 55. Rxh6+ Ke5 56. Ra6 Rd4 57. Ra3 Kf4 58. g5 Kg4 59. g6 Rd6 60. Ra4+ Nf4 61. h5 Rd5 |
| ECO A04 in 2000 play it! appel ralf defeats white's jackelen thomas in 61 moves | 1. Nf3 g6 2. c4 Bg7 3. d4 c5 4. e4 cxd4 5. Nxd4 b6 6. Nc3 Bb7 7. g3 d6 8. Bg2 Nd7 9. O-O Rc8 10. b3 a6 11. Bb2 Ba8 12. Re1 Ngf6 13. Qd2 O-O 14. Rad1 Re8 15. Nd5 Nc5 16. Qg5 e5 17. Nc2 b5 18. cxb5 Nxd5 19. Qxd8 Rexd8 20. exd5 Nd3 21. Rxd3 Rxc2 22. Bc1 axb5 23. a4 f5 24. axb5 e4 25. Rdd1 Bc3 26. Rf1 Rb8 27. Bf4 Rxb5 28. Bxd6 Bxd5 29. b4 Bd2 30. Rb1 e3 31. Bxd5+ |
| ECO A05 in 2006 play it! appel ralf defeats white's schebler gerhard in 78 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Ba6 5. Ne5 c6 6. d4 Bb4+ 7. Bd2 Be7 8. Nc3 O-O 9. Qa4 Bb7 10. O-O Qc7 11. e4 a6 12. Nd3 d6 13. Qc2 Nbd7 14. Rac1 c5 15. d5 exd5 16. exd5 Rfe8 17. a4 Nf8 18. Bh3 h6 19. Rce1 N6h7 20. Kh1 Ng5 21. Bg4 Nfe6 22. Qd1 Nd4 23. h4 Nh7 24. Nf4 Nf6 25. Nh5 b5 26. b3 bxc4 27. Nxf6+ Bxf6 28. bxc4 Rab8 29. Kg1 Be5 30. Bh3 Bc8 31. Bxc8 Qxc8 32. f4 Bf6 33. Ne4 Qh3 34. Re3 Rxe4 35. Rxe4 Qxg3+ 36. Kh1 Rb3 37. Be1 Qh3+ 38. Kg1 Nf3+ 39. Rxf3 Rxf3 |
| ECO A39 in 1995 play it! appel ralf defeats white's zorn frank in 86 moves | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. b3 Bf5 12. Qd2 Be4 13. Bb2 Bxg2 14. Kxg2 Qa5 15. Rfd1 Rfc8 16. Rac1 Rc5 17. a3 Rh5 18. Nd5 Nxd5 19. cxd5 Qxd2 20. Rxd2 Bxb2 21. Rxb2 Rxd5 22. Rc7 Rb5 23. Rxe7 Rc8 24. Re3 Kf8 25. Rd2 Rb6 26. b4 Rc4 27. h4 h5 28. Kf3 Rbc6 29. Rdd3 b5 30. Re4 Rxe4 31. Kxe4 Ke7 32. Kd5 Rc2 33. f4 f5 34. e4 fxe4 35. Kxe4 Ke6 36. f5+ gxf5+ 37. Kf4 Rc4+ 38. Kg5 Ke5 39. Kxh5 d5 40. Kg6 Rg4+ 41. Kf7 f4 42. gxf4+ Rxf4+ 43. Ke7 Rxh4 |
| ECO A30 in 2003 play it! appel ralf defeats white's gurevich mikhail in 98 moves | 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 Nf6 6. Rb1 a5 7. e3 d6 8. Nge2 Bf5 9. d3 Ne5 10. e4 Bg4 11. h3 Bf3 12. O-O Nfd7 13. Bf4 O-O 14. Qd2 f5 15. Qe3 fxe4 16. Nxe4 Bxg2 17. Kxg2 Qb6 18. Bxe5 Nxe5 19. f4 Nf7 20. N4c3 Qc6+ 21. Kh2 Rae8 22. Qe6 Kh8 23. b4 axb4 24. axb4 cxb4 25. Nd5 b3 26. Rxb3 Ng5 27. Qg4 e6 28. Rb6 Qc5 29. Rb5 Qa3 30. Nb4 Nf7 31. Qf3 Ne5 32. Qxb7 d5 33. cxd5 Qb2 34. Rf2 Nf3+ 35. Kg2 Ne1+ 36. Kg1 exd5 37. Nxd5 Qd2 38. Ndc3 Bxc3 39. Nxc3 Qxc3 40. Rb3 Qd4 41. Qb6 Nf3+ 42. Kg2 Qxb6 43. Rxb6 Ne1+ 44. Kf1 Nxd3 45. Re2 Kg8 46. Rb5 Rb8 47. Rd5 Rxf4+ 48. Kg2 Nb4 49. Rd7 Rff8 |
| ECO B96 in 1987 play it! appel ralf defeats white's drollinger denni in 62 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. O-O Ra7 13. Qd3 Rd7 14. Ne4 Qe5 15. Nf3 Qc7 16. Qe3 g6 17. Kh1 Bb7 18. a4 Qxc2 19. Nc3 b4 20. Rac1 Qb3 21. Qb6 Bh6 22. Ne5 Bxc1 23. Nxd7 Nxd7 24. Qxb7 O-O 25. Qxd7 Qxb2 26. Bg4 bxc3 27. Bxe6 Bh6 28. Rd1 c2 29. Bxf7+ Rxf7 30. Qe8+ Bf8 31. Qxf8+ Rxf8 |
| ECO B15 in 1996 play it! appel ralf defeats white's helbig mark in 78 moves | 1. e4 c6 2. d4 d5 3. Nc3 g6 4. h3 Bg7 5. Nf3 dxe4 6. Nxe4 Nh6 7. Be2 Nf5 8. c3 O-O 9. O-O Nd6 10. Nxd6 Qxd6 11. Bg5 Nd7 12. Bh4 Nf6 13. Bg3 Qd8 14. Bc4 Bf5 15. Re1 Be4 16. Be5 Bd5 17. Bd3 Qb6 18. c4 Be6 19. b4 a5 20. bxa5 Rxa5 21. Rb1 Qa7 22. Re2 Ra3 23. Reb2 Bc8 24. Qe2 Qa5 25. Bf4 Nh5 26. Bd2 Qc7 27. Rd1 Nf4 28. Bxf4 Qxf4 29. Rb3 Ra5 30. Qd2 Qxd2 31. Rxd2 Rd8 32. Bb1 Ra4 33. Bd3 Bxd4 34. Bxg6 hxg6 35. Rxd4 Rxd4 36. Nxd4 Rxc4 37. Rd3 Kg7 38. Kf1 e5 39. Nb3 Be6 |
| ECO B06 in 1998 play it! appel ralf defeats white's kummerow heiko by checkmate in 68 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 Nh6 6. Bf4 O-O 7. exd5 cxd5 8. Qd2 Nf5 9. g4 Nd6 10. Bh6 Bxh6 11. Qxh6 f6 12. O-O-O Nc6 13. Qe3 Nf7 14. Ne1 e5 15. dxe5 d4 16. Qg3 fxe5 17. Ne4 Be6 18. a3 Ng5 19. Bd3 Bd5 20. f3 Rf4 21. Nd2 Qf8 22. Rf1 Qh6 23. h4 Ne6 24. Kb1 Nc5 25. Bc4 Bxc4 26. Nxc4 b5 27. Nd2 b4 28. axb4 Nxb4 29. Ng2 g5 30. Nc4 Qe6 31. b3 Qa6 32. Rf2 Qa2+ 33. Kc1 Nxc2 34. Rxc2 Nxb3# |
| ECO B06 in 2001 play it! appel ralf defeats white's holzke frank in 126 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Qe2 Nf6 6. e5 dxe5 7. dxe5 Nd5 8. Bd2 O-O 9. O-O-O b5 10. Bd3 Na6 11. f4 Nab4 12. Nxd5 Nxd3+ 13. Qxd3 cxd5 14. Bc3 Qb6 15. Bd4 Qa6 16. Qb3 b4 17. Qxb4 Bf5 18. Qa3 Qxa3 19. bxa3 Rfc8 20. Rd2 Bh6 21. Ne2 e6 22. g3 Bf8 23. Bb2 Rc4 24. Re1 Rac8 25. Nd4 Be4 26. Ree2 Bc5 27. Nb5 Rc6 28. Bd4 Rb6 29. Bxc5 Rxb5 30. Bxa7 Ra4 31. Bd4 Rxa3 32. Re3 Rxa2 33. g4 Rb4 34. g5 Raa4 35. Bc3 Rc4 36. Bb2 Bf5 37. Rb3 Ra8 38. Rb7 Rac8 39. Bd4 Bxc2 40. Kb2 Bf5 41. Ka3 Bc2 42. Kb2 Kf8 43. Ka3 Ra8+ 44. Kb2 Raa4 45. Bc3 d4 46. Bb4+ Raxb4+ 47. Rxb4 Rxb4+ 48. Kxc2 d3+ 49. Kxd3 Rxf4 50. Rg2 h6 51. gxh6 Kg8 52. Rg3 Rh4 53. Rg2 Rh5 54. Kd4 Kh7 55. Re2 Kxh6 56. Kc5 Kg5 57. Kd6 Kg4 58. Ke7 Rf5 59. Kf8 Kf4 60. Kg7 g5 61. Re1 g4 62. Re2 Rxe5 63. Rf2+ Kg5 |
| ECO B03 in 1995 play it! appel ralf defeats white's kottwitz d in 60 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 c6 5. Nf3 Bg4 6. O-O dxe5 7. dxe5 e6 8. Be2 Nd7 9. c4 Ne7 10. Qd4 Bxf3 11. Bxf3 Ng6 12. Bf4 Qb6 13. Qxb6 axb6 14. Be3 Ngxe5 15. Be2 Bc5 16. Bd2 Nf6 17. Bc3 Ng6 18. g3 Ne4 19. Bxg7 Rg8 20. Bh6 Bd4 21. Bc1 O-O-O 22. Bf3 Nc5 23. Na3 Ne5 24. Be2 Ned3 25. Rb1 Nxc1 26. Rfxc1 Ne4 27. Rd1 Bxf2+ 28. Kg2 Bc5 29. Nc2 f5 30. Bf3 Nd2 |
| ECO B02 in 1991 play it! appel ralf defeats white's korolev s in 62 moves | 1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3 c6 7. Bd3 Na6 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 Qxd5 11. Qe2 Nb4 12. Bc4 Qe4 13. O-O-O Bg4 14. Rd4 Qf5 15. Bb3 c5 16. Rc4 Nd5 17. Bd2 b5 18. Rxc5 Nxf4 19. Qxb5 Rab8 20. Qc4 Ne6 21. Nd4 Qf2 22. Nxe6 Bxe6 23. Qc3 Bxb3 24. axb3 Rbd8 25. Be3 Qxg2 26. Qe1 Rc8 27. Rf1 Bh6 28. Bxh6 Rxc5 29. Rf2 Rxe5 30. Qf1 Qxf1+ 31. Rxf1 Rd8 |
| ECO B02 in 1992 play it! appel ralf defeats white's hallerova eva in 77 moves | 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 g6 5. Bc4 Nxc3 6. bxc3 Bg7 7. O-O O-O 8. d4 c5 9. Be3 cxd4 10. cxd4 Nc6 11. c3 Bf5 12. Nh4 Be4 13. Nf3 Rc8 14. Bb3 Na5 15. Rc1 Bd5 16. Re1 Nc4 17. Nd2 Nxe3 18. fxe3 b5 19. e4 Bb7 20. Nf3 Qb6 21. Kh1 e6 22. Qe2 Rfd8 23. Red1 a5 24. a4 b4 25. cxb4 Rxc1 26. Rxc1 Qxb4 27. Qe3 Bxd4 28. Nxd4 Qxd4 29. Re1 Qxe3 30. Rxe3 Rd4 31. e5 Rd2 32. Rg3 Bd5 33. Kg1 Bxb3 34. Rxb3 Ra2 35. Rb5 Rxa4 36. Kf2 Ra3 37. h3 g5 38. Ke2 h5 39. Kf2 |
| ECO B02 in 1995 play it! appel ralf defeats white's scherer frank in 30 moves | 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. Nf3 Nc6 7. dxc5 Qc7 8. h4 g6 9. Bb5 Bg7 10. Bxc6 bxc6 11. Be3 O-O 12. Bd4 Nf6 13. Qd2 Nh5 14. Bxg7 Kxg7 15. O-O-O e5 |
| ECO B02 in 2004 play it! appel ralf defeats white's maiwald jensuwe in 54 moves | 1. e4 Nf6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. Re1 b5 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 Nb6 12. h4 d4 13. N1h2 Nd5 14. Bg5 Bb7 15. Ng4 Rad8 16. Re4 Kh8 17. Bd2 c4 18. Ng5 c3 19. bxc3 Nxc3 20. Bxc3 dxc3 21. Nf6 h6 22. Qh5 Nxe5 23. Rxe5 Bxf6 24. Rxb5 Bxg2 25. Kxg2 Bxg5 26. Rxg5 Qb7+ 27. Kg1 Qb2 |
| ECO B03 in 2003 play it! appel ralf defeats white's landa konstantin in 79 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 O-O 8. Nge2 Nc6 9. O-O Bg4 10. f3 Bh5 11. b3 Re8 12. Bb2 Bf6 13. Kh1 Nb4 14. Bf5 c6 15. a3 Na6 16. a4 Nc7 17. a5 Nc8 18. Bh3 d5 19. c5 Bg6 20. Qd2 Ne7 21. Ng3 h5 22. Rfe1 h4 23. Nf1 Nf5 24. Rxe8+ Qxe8 25. Re1 Qd8 26. Ne2 Bg5 27. Qb4 Nb5 28. Nc1 Qf6 29. a6 bxa6 30. Qa4 Bxc1 31. Rxc1 Re8 32. Rd1 Re2 33. Ba1 Ne3 34. Nxe3 Rxe3 35. Qa5 Rxf3 36. gxf3 Qxf3+ 37. Kg1 Qxd1+ 38. Kf2 Qc2+ 39. Kg1 Qc1+ 40. Bf1 |
| ECO B03 in 1992 play it! appel ralf defeats white's kopp bernhard in 44 moves | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 dxe5 5. fxe5 Bf5 6. Nf3 e6 7. Bd3 Bxd3 8. Qxd3 c5 9. a3 cxd4 10. Qxd4 Nd7 11. c4 N5b6 12. Nc3 Nc5 13. Nb5 Nb3 14. Qxd8+ Rxd8 15. Bg5 Nxa1 16. Bxd8 Kxd8 17. Ng5 Ke7 18. Nd4 f6 19. exf6+ gxf6 20. c5 fxg5 21. cxb6 Bg7 22. Nb5 axb6 |
| ECO B02 in 1993 play it! appel ralf defeats white's del rio roland in 76 moves | 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. Nxd5 Nxe5 5. Ne3 c5 6. g3 Bd7 7. Bg2 Bc6 8. Nf3 Nxf3+ 9. Bxf3 g6 10. O-O Bg7 11. d3 O-O 12. Bd2 Qd7 13. Bc3 e5 14. Re1 Na6 15. Be4 Rae8 16. Qf3 Nb8 17. Re2 f5 18. Bxc6 Nxc6 19. Qd5+ Qxd5 20. Nxd5 Rd8 21. Ne3 b5 22. b3 e4 23. Bxg7 Kxg7 24. Rd2 Ne5 25. Kg2 g5 26. a4 f4 27. Nf1 exd3 28. axb5 Rf7 29. c4 fxg3 30. fxg3 Nf3 31. Rf2 Rdf8 32. Kh1 Nd4 33. Rxf7+ Rxf7 34. Nd2 Rf2 35. Rxa7+ Kg6 36. b6 Rxd2 37. b7 Nf3 38. Ra6+ Kg7 |