| ECO C46 in 2005 play it! lemmers oscar defeats black's naiditsch arkadi in 79 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 f6 7. Bf4 d6 8. Nxd4 Nge7 9. Bc4 Ne5 10. Bb3 Nxd5 11. Bxd5 c6 12. Bb3 Qe7 13. O-O Bd7 14. Bg3 O-O-O 15. f4 Ng4 16. Re1 h5 17. f5 Bh6 18. Ne6 Bxe6 19. Bxe6+ Kb8 20. h3 gxf5 21. exf5 Ne5 22. b4 Ka8 23. Bf2 Qc7 24. a4 d5 25. Qd4 b6 26. b5 c5 27. Bxd5+ Kb8 28. Qe4 Bd2 29. Re2 Bc3 30. Ra3 Bd4 31. c4 Rhe8 32. Be6 Bxf2+ 33. Rxf2 Rd4 34. Qc2 Qg7 35. a5 bxa5 36. Rxa5 Nd3 37. b6 Nxf2 38. Qa4 Nxh3+ 39. Kh2 Rdd8 40. Rxa7 |
| ECO C69 in 1999 play it! lemmers oscar defeats black's roebers jan in 103 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bg4 10. Nbc3 Bxe2 11. Nxe2 Bd6 12. Bf4 Rd8 13. Rd2 g5 14. Bg3 Bxg3 15. Rxd8+ Kxd8 16. Nxg3 Nh6 17. f3 Ke7 18. Rd1 Ke6 19. Ne2 Nf7 20. Nc3 Nd6 21. Nd5 Rc8 22. Ne3 c6 23. Kf2 h5 24. h4 c4 25. c3 b5 26. Nc2 Nb7 27. Nd4+ Ke5 28. Ke3 Nc5 29. g3 Nd3 30. b3 c5 31. f4+ gxf4+ 32. gxf4+ Kd6 33. Nf5+ Kc7 34. Ne7 Rf8 35. bxc4 Nb2 36. Rd5 Nxc4+ 37. Kf3 Kb6 38. Rxh5 Nd2+ 39. Ke3 Nc4+ 40. Ke2 Nd6 41. Kf3 c4 42. Rd5 Kc7 43. Nf5 Nc8 44. Rd2 Nb6 45. Ne7 Na4 46. Nd5+ Kb7 47. h5 f5 48. h6 Rh8 49. Rh2 b4 50. cxb4 c3 51. exf5 Kc6 52. Nxc3 |
| ECO C42 in 2000 play it! lemmers oscar defeats black's hacker christian in 75 moves | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 Bb4 6. Nxe5 Qe7 7. Ng4 Nxg4 8. Qxg4 f5 9. Qh5+ g6 10. Qd1 O-O 11. O-O fxe4 12. d3 exd3 13. Qxd3 Bxc3 14. bxc3 Ne2+ 15. Kh1 Nxc1 16. Raxc1 d6 17. Rce1 Qf6 18. Qc4+ Kg7 19. Qxc7+ Rf7 20. Qc4 Bf5 21. Bb3 Re7 22. Rxe7+ Qxe7 23. Qd4+ Qe5 24. Re1 Qxd4 25. cxd4 Kf6 26. h3 a5 27. g4 Bd7 28. Bd5 Rc8 29. c4 b5 30. cxb5 Bxb5 31. Re6+ Kg5 32. Kg2 Kh4 33. Re7 h5 34. gxh5 Kxh5 35. Rh7+ Kg5 36. h4+ Kf5 37. Rf7+ Kg4 38. Be6+ |
| ECO C68 in 1999 play it! lemmers oscar defeats black's lane gary w in 57 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Be6 9. Nbd2 Ne7 10. Qc3 O-O 11. Nc4 Ng6 12. Rad1 Qe7 13. Nxd6 cxd6 14. Nd4 Kh8 15. Rfe1 Ne5 16. b3 Rad8 17. f3 Bc8 18. Ne2 Qf7 19. Rd2 f5 20. exf5 Qxf5 21. Ng3 Qg6 22. Bd4 Nf7 23. Qd3 Rde8 24. Rde2 Bd7 25. Rxe8 Rxe8 26. Rxe8+ Bxe8 27. Nf5 Ne5 28. Bxe5 dxe5 29. Qd8 |
| ECO C24 in 2000 play it! lemmers oscar defeats black's de vreugt dennis by checkmate in 63 moves | 1. e4 e5 2. Bc4 Nf6 3. Nc3 Be7 4. f4 d6 5. d3 O-O 6. Nf3 Nbd7 7. O-O c6 8. Kh1 exf4 9. Bxf4 Nc5 10. Qe1 d5 11. exd5 b5 12. Ne5 bxc4 13. Nxc6 Qb6 14. Nxe7+ Kh8 15. dxc4 Qxb2 16. Bd6 Nfd7 17. Qd2 Ba6 18. Rab1 Qa3 19. Qd4 Nb3 20. cxb3 Qxd6 21. Qxg7+ Kxg7 22. Nf5+ Kg6 23. Nxd6 Rad8 24. Rbe1 Nf6 25. Nde4 Ng8 26. Re3 f6 27. Rg3+ Kh6 28. Rf4 Kh5 29. Ne2 Bc8 30. Nd4 Rde8 31. Nf3 f5 32. Rh4# |
| ECO C02 in 2000 play it! lemmers oscar defeats black's schmidt bodo in 43 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. O-O cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Qe2 Ne7 11. Nc3 a6 12. Kh1 Nc6 13. Be3 Qh4 14. Bd2 g6 15. f4 Bg7 16. Na4 Nxe5 17. fxe5 Qxa4 18. Rf4 Qc6 19. Qf2 Bxe5 20. Rxf7 Bxb2 21. Bg5 h6 22. Rf8+ |
| ECO C06 in 1998 play it! lemmers oscar defeats black's remmler dirk in 51 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bb1 Nc6 9. Nf3 Rc8 10. O-O Qc7 11. Re1 Be7 12. Bf4 O-O 13. Qa4 Qb7 14. Qc2 g6 15. Qd2 b5 16. Bg5 b4 17. Bxe7 Nxe7 18. Qh6 Rfe8 19. Ng5 Nf8 20. Nf4 Nf5 21. Bxf5 exf5 22. Re3 bxc3 23. Nh5 gxh5 24. Rh3 Ng6 25. Nxh7 Rc6 26. Nf6+ |
| ECO C02 in 1993 play it! lemmers oscar defeats black's broekhuis jan in 103 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Bb4+ 8. Nc3 Nge7 9. O-O a6 10. Ne2 Ng6 11. Be3 Be7 12. a3 O-O 13. Ng3 Be8 14. Nd2 f5 15. exf6 Bxf6 16. Nb3 e5 17. dxe5 Ncxe5 18. Bf5 Nc4 19. Nd4 Nxe3 20. fxe3 Bxd4 21. exd4 Qd6 22. Qe2 Bd7 23. Bxg6 Qxg6 24. Qe5 Qe6 25. Rae1 Rae8 26. Rxf8+ Kxf8 27. Qf4+ Qf7 28. Rxe8+ Bxe8 29. Nf5 Qf6 30. Qe5 Bd7 31. Qxf6+ gxf6 32. Ne3 Be6 33. Kf2 Kf7 34. Kf3 Kg6 35. Kf4 Kf7 36. Nd1 b6 37. Nc3 b5 38. Na2 Bc8 39. Nb4 Ke6 40. Nd3 Kd6 41. b4 Kc6 42. g4 Kb6 43. g5 fxg5+ 44. Kxg5 a5 45. Kf6 axb4 46. axb4 Kc6 47. Ke5 Bg4 48. Nf4 Bf3 49. h4 Be4 50. Nh5 Bf3 51. Nf6 h6 52. Ng8 |
| ECO C07 in 1995 play it! lemmers oscar defeats black's koster l in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Qe2 Nf6 8. Nb3 Nc6 9. Bg5 Be7 10. O-O-O Nd5 11. Nbxd4 Bxg5+ 12. Nxg5 Qf4+ 13. Qd2 Qxd2+ 14. Rxd2 Nxd4 15. Bxd5 h6 16. Rxd4 hxg5 17. Bf3 Rh4 18. Rhd1 Rxd4 19. Rxd4 f5 20. Rc4 Kd8 21. Rc3 Rb8 22. Bh5 b6 23. Rg3 g4 24. f3 g5 25. fxg4 f4 26. Rd3+ Ke7 27. g3 e5 28. gxf4 exf4 29. Rd5 Kf6 30. Rd8 Ra8 31. Rf8+ Kg7 32. Rf7+ Kg8 33. Rf6 Kh7 34. Rf8 Kg7 35. Rf7+ Kg8 36. Rf6 Kh7 37. c4 Ba6 38. b3 Bc8 39. h3 Ba6 40. Kc2 Bc8 41. Kc3 |
| ECO C06 in 2001 play it! lemmers oscar defeats black's bertrem stijn in 45 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf1 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 O-O 13. Ne3 g6 14. Bb5 Qg7 15. O-O Rxf3 16. gxf3 Nxd4 17. Be2 Qf6 18. Ng4 Nxf3+ 19. Bxf3 Qxf3 20. Qg5 Nc5 21. Rac1 b6 22. Rc3 Qe2 23. Re3 |
| ECO C02 in 1994 play it! lemmers oscar defeats black's grinfeld alla b in 55 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O Nxd4 9. Nxd4 Qxd4 10. Qe2 Ne7 11. Nc3 a6 12. Kh1 Nc6 13. Be3 Qxe5 14. f4 Qd6 15. f5 Be7 16. Rad1 e5 17. Bc4 d4 18. Ne4 Qc7 19. Bxf7+ Kxf7 20. Qh5+ Kg8 21. f6 gxf6 22. Nxf6+ Bxf6 23. Rxf6 Be8 24. Qg4+ Qg7 25. Bh6 Bg6 26. Rdf1 Re8 27. Qd7 Qxh6 28. Qd5+ |
| ECO C11 in 1992 play it! lemmers oscar defeats black's martinidesz denn in 99 moves | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Nd4 Bb7 12. Nce2 Ne4 13. g3 Na5 14. Bh3 Nc4 15. Qc1 Qa5+ 16. b4 Qb6 17. O-O Nc3 18. Rf2 Rc8 19. f5 Nxe5 20. fxe6 Nxe2+ 21. Nxe2 f6 22. Qd1 Nf3+ 23. Kf1 Ng5 24. Bg4 Nxe6 25. Nf4 Nxf4 26. Bxc8 Bxc8 27. gxf4 d4 28. Qh5+ g6 29. Qd5 Be6 30. Qa8+ Qd8 31. Qxd8+ Kxd8 32. Rd1 Bh3+ 33. Kg1 Re8 34. Rf3 Bg4 35. Rxd4+ Kc7 36. Rc3+ Kb7 37. h3 Bf5 38. Kf2 h5 39. Re3 Rxe3 40. Kxe3 Bxh3 41. Rd6 Bf5 42. c3 g5 43. Rxf6 gxf4+ 44. Kxf4 Bg4 45. Rh6 Be2 46. Ke5 Bf3 47. Kd4 Bg4 48. Kc5 Bf3 49. Rh7+ Kc8 50. Kb6 |
| ECO C05 in 1999 play it! lemmers oscar defeats black's obsivac josef in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ngf3 Nc6 7. Bd3 a5 8. O-O Be7 9. Re1 a4 10. Nf1 a3 11. bxa3 c4 12. Bc2 Qa5 13. Re3 Na7 14. N3d2 Nb6 15. Qg4 g6 16. Rf3 Bd7 17. Qf4 Rf8 18. Qh6 Bxa3 19. Qxh7 Nb5 20. Bxa3 Qxa3 21. Re1 O-O-O 22. Rxf7 Rxf7 23. Qxf7 Qxc3 24. Bxg6 Nxd4 25. h4 Nc6 26. Nf3 d4 27. h5 Nd5 28. N1d2 Kb8 29. h6 b5 30. h7 Qa3 31. Rb1 Nc3 32. Re1 Qf8 33. Ng5 Qh6 34. Ndf3 d3 35. g3 d2 36. Nxd2 Nd4 37. Qe7 Nde2+ 38. Kg2 Bc6+ 39. Be4 Rf8 40. Rxe2 Bxe4+ 41. Rxe4 |
| ECO C03 in 2006 play it! lemmers oscar defeats black's ionescu mihai in 93 moves | 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O a5 9. a4 b6 10. Re1 cxd4 11. cxd4 Nb4 12. Bb5 Ba6 13. Nb1 Bxb5 14. axb5 O-O 15. Nc3 Re8 16. Bf4 Rc8 17. g3 Kh8 18. h4 f5 19. exf6 Bxf6 20. h5 Qe7 21. Qd2 Qf7 22. h6 gxh6 23. Kg2 Bg7 24. Rh1 Rf8 25. Rae1 Rce8 26. Re3 Qg6 27. Ne2 Rc8 28. Bd6 Rfe8 29. Nf4 Qf7 30. Bxb4 axb4 31. Rhe1 Nf6 32. Ne5 Qc7 33. Nc6 Ne4 34. Qxb4 Bf8 35. Qb3 Bd6 36. Nxe6 Qf7 37. Rxe4 dxe4 38. Rxe4 Qf5 39. Re3 h5 40. d5 Kg8 41. Rf3 Qg6 42. Ncd4 Qb1 43. Qe3 Bc5 44. Rf6 Re7 45. Qg5+ Kh8 46. Qe5 Kg8 47. Nf5 |
| ECO C01 in 1993 play it! lemmers oscar defeats black's dam ruurd in 65 moves | 1. e4 e6 2. d4 a6 3. Nf3 b5 4. Bd3 Bb7 5. c3 c5 6. Nbd2 Nf6 7. Qe2 cxd4 8. cxd4 Nc6 9. O-O Be7 10. Re1 Nb4 11. Bb1 Rc8 12. Nf1 Qc7 13. Bd2 Qc4 14. Qd1 d5 15. e5 Ne4 16. a3 Nc2 17. Ne3 Nxe3 18. Bxe3 h6 19. Re2 Qc7 20. Ne1 Qd7 21. Nd3 Rc4 22. f3 Ng5 23. b3 Rc7 24. Bd2 Qc6 25. Ba5 Rc8 26. Rc2 Qd7 27. Bb4 Bxb4 28. axb4 Rc6 29. Raa2 Nh7 30. Nc5 Qc8 31. Qc1 O-O 32. Nxb7 Rxc2 33. Qxc2 |
| ECO C07 in 2005 play it! lemmers oscar defeats black's knaak rainer in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 g6 8. h4 h6 9. O-O Qb6 10. dxc5 Qc7 11. Nb3 Ndxe5 12. Bf4 Bg7 13. Re1 Nxf3+ 14. Qxf3 e5 15. Bg3 O-O 16. h5 gxh5 17. Qxd5 Be6 18. Qf3 h4 19. Bxh4 f5 20. Qe2 Qf7 21. Nd2 Kh8 22. Bc4 Rae8 23. Rad1 Rg8 24. Bxe6 Rxe6 25. Nc4 Bf8 26. Nd6 Qg6 27. Qf3 e4 28. Qg3 Qh7 29. Qh3 Ne5 30. Bg3 Ng4 31. Rd5 Bxd6 32. cxd6 Qf7 33. Qh4 f4 34. Bxf4 Qxf4 35. d7 e3 36. f3 Rd6 37. Rxd6 Qxd6 38. fxg4 Kh7 39. Rxe3 Rg5 40. Qe1 Rg7 41. Qb1+ |
| ECO C06 in 2005 play it! lemmers oscar defeats black's claesen pieter in 65 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 g6 8. h4 Qb6 9. h5 g5 10. Nxg5 cxd4 11. cxd4 Nxd4 12. Ndf3 Bc5 13. O-O Nc6 14. Nxh7 Ncxe5 15. Nxe5 Nxe5 16. Nf6+ Kf8 17. Nh7+ Kg8 18. Nf6+ Kf8 19. h6 Be7 20. Ng4 Nxg4 21. Qxg4 Bf6 22. Qf3 Qd8 23. Bd2 Bd7 24. Bb4+ Ke8 25. h7 a5 26. Bc5 Bc6 27. Rac1 Bxb2 28. Rc2 Be5 29. Qh5 Bg7 30. Re1 Bd7 31. Qxd5 Qh4 32. Rce2 Qf6 33. Bb5 |
| ECO C03 in 1994 play it! lemmers oscar defeats black's bohm hans in 101 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. dxc5 Bxc5 9. Qe2 Bd7 10. Ne5 Bc6 11. O-O O-O 12. Nxc6 bxc6 13. Bg5 Be7 14. c4 Qa5 15. Bd2 Bb4 16. Bf4 Rfd8 17. Rad1 Be7 18. a3 c5 19. Be5 Rac8 20. Qf3 Qb6 21. Qf4 Nd7 22. Bxh7+ Kxh7 23. Rxd7 Rxd7 24. Qxf7 Bf6 25. Qxd7 Rd8 26. Qf7 Bxe5 27. Qh5+ Kg8 28. Qxe5 Rd4 29. b3 a5 30. Re1 a4 31. bxa4 Rxc4 32. a5 Qc6 33. g3 Kf7 34. Qh5+ Kf6 35. h4 Qd5 36. Qe8 Rg4 37. Qf8+ Kg6 38. Qe8+ Kf6 39. Qf8+ Kg6 40. Qe7 Kh7 41. Qxe6 Qxe6 42. Rxe6 Ra4 43. Re3 Rxa5 44. Kf1 Kg6 45. Rf3 c4 46. Ke2 Kh5 47. Kd2 Kg4 48. Re3 Kh3 49. Re7 g6 50. Re6 g5 51. hxg5 |
| ECO C02 in 1992 play it! lemmers oscar defeats black's visser bert in 61 moves | 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O Nxd4 9. Nxd4 Qxd4 10. Qe2 Ne7 11. Nc3 Nc6 12. Be3 Qxe5 13. f4 Qd6 14. f5 a6 15. Rad1 Be7 16. Kh1 O-O 17. f6 Bxf6 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Ne4 Qe5 21. Nxf6+ gxf6 22. Qg4+ Kh8 23. Rf3 Qe4 24. Rh3+ Qh7 25. Rxh7+ Kxh7 26. Qh5+ Kg8 27. Bh6 Ne5 28. Rd3 Be8 29. Qh4 Rc8 30. Rg3+ Ng6 31. Qxf6 |
| ECO B13 in 1995 play it! lemmers oscar defeats black's spiridonov nikol in 107 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8. Nge2 Nbd7 9. g3 Nb6 10. Bg2 a5 11. a4 Bf5 12. O-O Bd3 13. d6 exd6 14. Bxb7 Rb8 15. Bf3 Nbd5 16. Nb5 Nb4 17. Bf4 Re8 18. Nxd6 Re6 19. Nxf7 Kxf7 20. Bxb8 Qxb8 21. Nf4 Bf5 22. Rfe1 Qd6 23. Rac1 Nd7 24. Nxe6 Bxe6 25. Rxe6 Qxe6 26. Qxe6+ Kxe6 27. Bg4+ Kd6 28. Bxd7 Kxd7 29. Rc5 Bxd4 30. Rxa5 Kc6 31. Kg2 Bxb2 32. Ra7 h5 33. Rh7 Nd5 34. a5 Ba3 35. a6 Ne7 36. Rf7 Bc5 37. Rf6+ Kb5 38. h4 Bb6 39. Re6 Nd5 40. Rxg6 Kxa6 41. Rh6 Kb5 42. Rxh5 Kc6 43. Re5 Kd6 44. f4 Bd4 45. Re4 Bg7 46. Kf3 Nc3 47. Re1 Nb5 48. h5 Nd4+ 49. Kg4 Ne6 50. Kf5 Nf8 51. g4 Kd7 52. g5 Bc3 53. Re3 Bd4 54. Re4 |