| ECO A05 in 1990 play it! pfleger helmut defeats white's mack peter in 52 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 c6 7. Nc3 Nbd7 8. cxd5 exd5 9. Qb3 Bd6 10. Nd2 Nb6 11. e4 dxe4 12. Ndxe4 Nxe4 13. Nxe4 Be6 14. Qc2 Qd7 15. Nc5 Bxc5 16. dxc5 Nd5 17. b3 Bh3 18. Bb2 Rfe8 19. Bxh3 Qxh3 20. Rfe1 Qg4 21. Qd2 f6 22. Kg2 Kf7 23. a3 Rad8 24. Rxe8 Rxe8 25. Re1 Nf4+ 26. Kg1 Ne2+ |
| ECO A06 in 1979 play it! pfleger helmut defeats white's keene raymond d in 72 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 exd5 6. Bg5 cxd4 7. Nxd4 Be7 8. g3 Nc6 9. Bg2 Qb6 10. Nxc6 bxc6 11. Na4 Qa5+ 12. Bd2 Qb5 13. Qc2 O-O 14. O-O Be6 15. Be3 Rac8 16. Nc5 Bg4 17. Rfe1 Rfe8 18. Bf1 Nd7 19. a4 Qb4 20. Nxd7 Bxd7 21. Bxa7 c5 22. a5 Bf6 23. Red1 Bxb2 24. Ra2 Bf6 25. e3 g6 26. Rb1 Qg4 27. Be2 Qh3 28. Bf1 Qh5 29. Be2 Qe5 30. Rc1 d4 31. Ra3 Bf5 32. Qc4 dxe3 33. Rxe3 Qb2 34. Re1 Rxe3 35. fxe3 Qd2 36. Kf2 Qxa5 |
| ECO A07 in 1992 play it! pfleger helmut defeats white's dizdar goran in 67 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. O-O c6 7. c4 a5 8. d3 a4 9. Na3 Na6 10. Nc2 Re8 11. Qc1 Qb6 12. Bd4 c5 13. Be5 axb3 14. axb3 Rd8 15. Qb2 Ne8 16. cxd5 Rxd5 17. Bxg7 Nxg7 18. Ne5 Rd8 19. Nc4 Qe6 20. Rfe1 Nf5 21. b4 cxb4 22. Nxb4 Nd4 23. Nxa6 Rxa6 24. Rxa6 bxa6 25. e3 Nb5 26. Qc2 Qf5 27. Be4 Qh5 28. d4 Be6 29. Nb6 Nd6 30. Bg2 Bh3 31. Qc5 Nf5 32. Bxh3 Qxh3 33. Nd5 Re8 34. Qc6 |
| ECO A07 in 1992 play it! pfleger helmut defeats white's dizdar goran in 67 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. O-O c6 7. c4 a5 8. d3 a4 9. Na3 Na6 10. Nc2 Re8 11. Qb1 Qb6 12. Bd4 c5 13. Be5 axb3 14. axb3 Rd8 15. Qb2 Ne8 16. cxd5 Rxd5 17. Bxg7 Nxg7 18. Ne5 Rd8 19. Nc4 Qe6 20. Rfe1 Nf5 21. b4 cxb4 22. Nxb4 Nd4 23. Nxa6 Rxa6 24. Rxa6 bxa6 25. e3 Nb5 26. Qc2 Qf5 27. Be4 Qh5 28. d4 Be6 29. Nb6 Nd6 30. Bg2 Bh3 31. Qc5 Nf5 32. Bxh3 Qxh3 33. Nd5 Re8 34. Qc6 |
| ECO A06 in 1970 play it! pfleger helmut defeats white's liverios thisefs in 80 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 exd5 9. Bd3 Bb7 10. O-O Nbd7 11. Qe2 c5 12. Ba6 Qc8 13. Bxb7 Qxb7 14. Rfd1 c4 15. Ne5 b5 16. Qf3 Rad8 17. Rac1 Rfe8 18. Nxd7 Qxd7 19. Ne2 Ne4 20. Bxe7 Rxe7 21. Ng3 a5 22. Nxe4 Rxe4 23. Qe2 Rde8 24. Qd2 b4 25. b3 c3 26. Qc2 f5 27. g3 g5 28. Kh1 Qf7 29. a4 Qh5 30. Rg1 Qf3+ 31. Rg2 Kf7 32. Qd1 Qxd1+ 33. Rxd1 f4 34. gxf4 gxf4 35. Rdg1 fxe3 36. fxe3 Rxe3 37. Rg7+ Kf6 38. R7g6+ Kf5 39. Rxh6 Ke4 40. h4 Kxd4 |
| ECO A09 in 1968 play it! pfleger helmut defeats white's toran roman in 92 moves | 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Nc3 Nbd7 8. Bb2 Nb6 9. d3 a4 10. Rb1 axb3 11. axb3 Nbd7 12. Qc2 c6 13. e4 dxc4 14. bxc4 e5 15. Nd1 Qc7 16. Ne3 Re8 17. h3 Bc5 18. d4 exd4 19. Nxd4 Bf8 20. f4 Nxe4 21. Bxe4 Nf6 22. Nb5 cxb5 23. Bxf6 Qb6 24. Kh1 Qxf6 25. Rxb5 h6 26. Nd5 Qd6 27. Bg2 Ra3 28. Rb6 Qd8 29. Rd1 Re6 30. Rb3 Rxb3 31. Qxb3 Qa5 32. Kh2 Re2 33. Qf3 Rb2 34. Rd3 Bf5 35. Re3 Qd8 36. Re2 Rb1 37. Qe3 Be6 38. Qe4 Rb3 39. Ra2 Qc8 40. Rd2 Qc5 41. h4 b5 42. cxb5 Bxd5 43. Rxd5 Qc3 44. Re5 Qxg3+ 45. Kg1 Rc3 46. Qe1 Bc5+ |
| ECO A05 in 1978 play it! pfleger helmut defeats white's nippgen georg in 102 moves | 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 c6 7. O-O a5 8. c4 Bf5 9. Nc3 Ne4 10. Nh4 Nxc3 11. Bxc3 Bc8 12. Qd2 a4 13. e4 Nd7 14. d5 Qb6 15. Bxg7 Kxg7 16. b4 a3 17. Rab1 f6 18. Nf3 Ra7 19. Rfc1 c5 20. bxc5 Qxc5 21. Nd4 Ne5 22. Rb5 Qc7 23. f4 Nf7 24. Qe3 Ra5 25. Nb3 Ra4 26. c5 Qd8 27. Nd4 dxc5 28. Rbxc5 Qb6 29. e5 Bf5 30. h3 fxe5 31. fxe5 Qb2 32. Nxf5+ gxf5 33. R5c3 h6 34. e6 Nd6 35. R1c2 Qb4 36. Rc7 Re8 37. Qe5+ Kg6 38. R7c3 Rf8 39. Rb3 Qa5 40. Bf3 Rb4 41. Rxb4 Qxb4 42. Qe2 Rc8 43. Bh5+ Kf6 44. Rxc8 Nxc8 45. Kg2 Nd6 46. Qe3 Qe4+ 47. Kf2 Qxe3+ 48. Kxe3 Ke5 49. Bf3 b5 50. Kd3 b4 51. Kc2 Nb5 |
| ECO A05 in 1965 play it! pfleger helmut defeats white's schroeder hannes in 86 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 c5 4. g3 cxd4 5. Nxd4 Nc6 6. Bg2 Be7 7. O-O O-O 8. Nc3 a6 9. e4 Qc7 10. b3 Rb8 11. Bb2 Rd8 12. Rc1 Qa5 13. a3 Nxd4 14. Qxd4 d6 15. b4 Qh5 16. f4 e5 17. Qd3 Bh3 18. Rc2 Bxg2 19. Rxg2 Qg4 20. Nd1 b5 21. cxb5 axb5 22. Ne3 Qc8 23. Nd5 Qb7 24. Rd2 Nxd5 25. Qxd5 Qxd5 26. Rxd5 f6 27. Rc1 Rdc8 28. Kf2 Kf7 29. Ke2 g6 30. Kd3 Rxc1 31. Bxc1 Ke6 32. Bb2 h5 33. Bc3 Bd8 34. fxe5 fxe5 35. h3 Bg5 36. Bd2 Bxd2 37. Kxd2 Ra8 38. Rd3 Rf8 39. Kc3 Ke7 40. Kb3 Rf1 41. Re3 g5 42. Kb2 g4 43. hxg4 hxg4 |
| ECO A07 in 1963 play it! pfleger helmut defeats white's bialas wolfram in 56 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5 11. Rc1 a4 12. bxa4 Nbd7 13. Nfe5 Bxg2 14. Kxg2 Nb6 15. a5 Nxc4 16. Nxc4 Ne4 17. Qb3 Ng5 18. h4 Qd5+ 19. Kg1 Ne4 20. Rfd1 f5 21. Qe3 f4 22. gxf4 Bh6 23. f3 Rxf4 24. Qb3 Rxh4 25. Nb6 Qxb3 26. axb3 Rxa5 27. fxe4 Be3+ 28. Kf1 Rg5 |
| ECO A08 in 1971 play it! pfleger helmut defeats white's spiridonov nikol in 104 moves | 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 Be7 7. Nc3 cxd4 8. Nxd4 O-O 9. e4 dxc4 10. Nxc6 bxc6 11. Qa4 Qb6 12. Rb1 e5 13. Bg5 h6 14. Bxf6 Bxf6 15. Rfc1 Rd8 16. Rc2 Be6 17. Bf1 Rd4 18. Ne2 Rd6 19. Nc3 Rd4 20. Ne2 Rd3 21. Nc3 Rad8 22. Bxd3 cxd3 23. Rd2 Bg5 24. Rdd1 Bg4 25. h4 Be3 26. Rf1 Rd4 27. Qa3 Bd2 28. Qe7 Qb8 29. f3 Be6 30. Rfd1 Be3+ 31. Kg2 Rd6 32. b3 d2 33. Rb2 a5 34. Rc2 Kh7 35. Kf1 Rd7 36. Qa3 Qb6 37. Kg2 Qa6 38. Qb2 Qd3 39. Qb1 Rd4 40. Rf1 g6 41. Qd1 Bc8 42. Rh1 Ba6 43. Rh2 h5 44. Kh1 a4 45. Rg2 axb3 46. axb3 Kg7 47. Kh2 Kf8 48. Qb1 g5 49. Nd1 gxh4 50. Nxe3 hxg3+ 51. Kxg3 Qxe3 52. Qd1 Qe1+ |
| ECO A05 in 1976 play it! pfleger helmut defeats white's trikaliotis geor in 82 moves | 1. Nf3 Nf6 2. d4 e6 3. g3 c5 4. Bg2 d5 5. c4 Nc6 6. cxd5 exd5 7. O-O Be7 8. Nc3 O-O 9. dxc5 Bxc5 10. Bg5 d4 11. Na4 Be7 12. Rc1 Qa5 13. a3 Rd8 14. b4 Qb5 15. Bxf6 gxf6 16. Ne1 a5 17. Nc5 axb4 18. a4 Qb6 19. Ned3 Ne5 20. Nb3 Rxa4 21. Nxd4 Ra3 22. Nc2 Nxd3 23. exd3 Raxd3 24. Qe2 Be6 25. Be4 Rd2 26. Qh5 f5 27. Bxf5 Bxf5 28. Qxf5 Qg6 29. Ne3 Qxf5 30. Nxf5 Bf6 31. Rb1 Bc3 32. Kg2 h5 33. Ne3 b5 34. Nd1 R8d5 35. Ne3 R5d3 36. Nf5 Re2 37. Nh4 Rdd2 38. Nf3 Ra2 39. Ng1 Reb2 40. Nh3 Rxb1 41. Rxb1 Ra1 |
| ECO A05 in 1961 play it! pfleger helmut defeats white's clemens christia in 80 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Bf5 8. h3 Re8 9. d3 Nbd7 10. g4 Be6 11. Nd4 Nf8 12. e4 Bc8 13. e5 N6d7 14. f4 e6 15. cxd5 cxd5 16. Ne2 g5 17. d4 f6 18. exf6 Nxf6 19. fxg5 Ne4 20. h4 Ng6 21. Qe1 e5 22. h5 Nf4 23. Nxf4 exf4 24. Qh4 Nxg5 25. Kh1 Re2 26. Bc1 Bxd4 27. Bxf4 h6 28. Nd2 Bxa1 29. Rxa1 Be6 30. Bf1 Qf6 31. Bxe2 Qxa1+ 32. Kg2 Qf6 33. Qg3 Rf8 34. Be5 Qf7 35. Qe3 Bd7 36. Qg3 d4 37. Kg1 Nh3+ 38. Kh2 Qf2+ 39. Kxh3 Qxe2 40. Bxd4 Qxd2 |
| ECO A15 in 1978 play it! pfleger helmut defeats white's polugaevsky lev in 72 moves | 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. cxd5 exd5 6. d4 Nc6 7. O-O Be7 8. Nc3 O-O 9. Bg5 c4 10. Ne5 Be6 11. Nxc6 bxc6 12. b3 Qa5 13. Na4 Rfd8 14. e3 c5 15. Bxf6 gxf6 16. dxc5 Bxc5 17. Qh5 Rac8 18. Rfd1 Bf8 19. Rac1 Qb4 20. Bxd5 Rxd5 21. Rxd5 cxb3 22. Rxc8 Bxc8 23. axb3 Bg4 24. Qh4 Qe1+ 25. Kg2 Be2 26. g4 Qf1+ 27. Kg3 Qg1+ 28. Kf4 Qg2 29. Qxf6 Qxf2+ 30. Ke5 Qxe3+ 31. Kf5 Qf3+ 32. Kg5 Qe3+ 33. Kf5 Bd3+ 34. Rxd3 Qxd3+ 35. Kg5 Qe3+ 36. Kh5 Be7 |
| ECO A34 in 1974 play it! pfleger helmut defeats white's garcia gonzales in 102 moves | 1. c4 c5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nh3 d6 7. Nf4 Bd7 8. Bd2 a6 9. h4 h6 10. a3 Rb8 11. Rb1 b5 12. cxb5 axb5 13. b4 cxb4 14. axb4 O-O 15. Nfd5 Nxd5 16. Nxd5 e6 17. Ne3 f5 18. f4 Nd4 19. O-O Rc8 20. Qe1 Bc6 21. Qf2 Qb6 22. Kh2 h5 23. Rfc1 Bxg2 24. Nxg2 Qb7 25. Ne1 Rxc1 26. Bxc1 Qd5 27. e3 Nc6 28. Qg2 Qxg2+ 29. Kxg2 Ra8 30. d4 Ra2+ 31. Kf1 Kf7 32. Nf3 Ke7 33. Bd2 Kd7 34. Be1 Bf6 35. Rb3 e5 36. dxe5 dxe5 37. Bc3 Ke6 38. Nd2 Be7 39. Nb1 e4 40. Na3 Kd5 41. Be1 Bxb4 42. Rxb4 Nxb4 43. Bxb4 Rb2 44. Bf8 b4 45. Nb5 Kc4 46. Nd6+ Kd3 47. Nf7 Kxe3 48. Ne5 Rb1+ 49. Kg2 b3 50. Nc4+ Kd3 51. Ne5+ Ke2 |
| ECO A17 in 1968 play it! pfleger helmut defeats white's bobotsov milko in 114 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Be7 5. Nf3 O-O 6. e3 b6 7. Qc2 Bb7 8. O-O-O Ne4 9. Bxe7 Qxe7 10. Nxe4 dxe4 11. Nd2 f5 12. f3 exf3 13. Nxf3 Nd7 14. Bd3 c5 15. e4 cxd4 16. exf5 Bxf3 17. gxf3 exf5 18. Rhg1 Qf6 19. f4 Rae8 20. Rg5 Nc5 21. Bxf5 d3 22. Qc3 Qxc3+ 23. bxc3 h6 24. Rh5 Rd8 25. Bg6 Rxf4 26. Rd5 Rdf8 27. Bxd3 Rf2 28. Rd2 Rxd2 29. Kxd2 Rf2+ 30. Ke3 Nxd3 31. Kxd3 Rxh2 32. c5 bxc5 33. Rxc5 Rxa2 34. Rf5 g5 35. c4 Kg7 36. c5 Ra1 37. Kc4 g4 38. c6 Rc1+ 39. Kb5 Kg6 40. Rc5 Rxc5+ 41. Kxc5 g3 42. c7 g2 43. c8=Q g1=Q+ 44. Kd5 Qg5+ 45. Ke4 a5 46. Qe8+ Kg7 47. Qd7+ Kf8 48. Qc8+ Kf7 49. Kf3 Qd5+ 50. Kg3 h5 51. Qa6 Qe5+ 52. Kg2 Qe4+ 53. Kh2 a4 54. Qa7+ Kg6 55. Qb8 Qc2+ 56. Kh1 Qd1+ 57. Kh2 Qc2+ |
| ECO A16 in 1973 play it! pfleger helmut defeats white's saidy anthony in 67 moves | 1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4 11. Ne5 h6 12. Be3 Qc7 13. f4 Rad8 14. h3 Nxe5 15. fxe5 Ne4 16. Nxe4 dxe4 17. Qc2 f5 18. exf6 Bxf6 19. Qxe4 Bd5 20. Qg4 Bxg2 21. Kxg2 Qc6+ 22. Kh2 Rde8 23. Bxh6 Qe6 24. Qxe6+ Rxe6 25. Bf4 Rxe2+ 26. Kh1 Rxb2 27. Rxc4 Rxa2 28. Rb1 Re8 29. d5 g5 30. Bc7 Ree2 31. g4 Rad2 32. Rcc1 Re3 33. Bh2 Rxh3 34. Rc8+ |
| ECO A17 in 1975 play it! pfleger helmut defeats white's ogaard leif in 96 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Be6 12. Qa4 Qd7 13. Nxe6 Qxe6 14. Nb5 Rac8 15. Rac1 a6 16. Nd4 Nxd4 17. Qxd4 Ne4 18. Rxc8 Rxc8 19. Rd1 Nf6 20. Qd3 b5 21. Bd4 Ne4 22. b3 b4 23. Bb2 Bf6 24. Bxf6 Nxf6 25. e3 Rc3 26. Qd2 Qf5 27. Qe2 a5 28. h3 h5 29. Rd4 g6 30. Rf4 Qe5 31. Qa6 Kg7 32. Qxa5 g5 33. Rxb4 h4 34. g4 Rc1+ 35. Bf1 Ne4 36. Rxe4 Qxe4 37. Qb5 Qf3 38. Qd3 Qxh3 39. Qe2 Kf8 40. b4 f5 41. gxf5 Qxf5 42. Qa6 h3 43. Qd6+ Kf7 44. Qg3 g4 45. Qd6 Qe4 46. Qd7+ Kg6 47. Qd6+ Kh5 48. Qg3 d4 |
| ECO A15 in 1971 play it! pfleger helmut defeats white's pr markland in 80 moves | 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. cxd5 exd5 5. Bg2 Be7 6. O-O O-O 7. d4 c6 8. Nc3 Bf5 9. Qb3 Qb6 10. Qxb6 axb6 11. Bf4 Nbd7 12. Ne5 b5 13. Nxd7 Nxd7 14. e4 dxe4 15. Bxe4 Bxe4 16. Nxe4 f5 17. Bd6 fxe4 18. Bxe7 Rfe8 19. Bd6 Ra4 20. Rfd1 Rea8 21. a3 Kf7 22. Rac1 Ke6 23. Bb4 Nf6 24. Re1 Rd8 25. Bc3 Kd5 26. Re3 Re8 27. Rce1 Raa8 28. Kg2 Re6 29. h3 h5 30. R3e2 g6 31. Re3 Rf8 32. b3 g5 33. Bb2 g4 34. h4 Ne8 35. Rc1 b6 36. a4 Nc7 37. a5 bxa5 38. Rec3 Na6 39. Ra1 Ref6 40. Rc2 Nb4 |
| ECO A15 in 1975 play it! pfleger helmut defeats white's polugaevsky lev in 60 moves | 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. O-O Nc6 6. cxd5 exd5 7. d4 Be7 8. Nc3 O-O 9. Bg5 c4 10. Ne5 Be6 11. e3 Nd7 12. Bxe7 Nxe7 13. b3 Nxe5 14. dxe5 Qa5 15. Qe1 Rfd8 16. bxc4 dxc4 17. f4 Rd3 18. Ne4 Qa3 19. Ng5 Rxe3 20. Qb1 Bf5 21. Qxb7 Rf8 22. Rae1 Rxe1 23. Rxe1 c3 24. Qf3 Rc8 25. g4 Qc5+ 26. Kh1 c2 27. Rc1 Bxg4 28. Qb3 Qc4 29. Ne4 Qe2 30. Nc3 Rxc3 |
| ECO A15 in 1965 play it! pfleger helmut defeats white's ree hans in 64 moves | 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. cxd5 exd5 8. d4 Nc6 9. Bb2 Bf5 10. Nbd2 Rc8 11. Rc1 cxd4 12. Nxd4 Nxd4 13. Bxd4 Qa5 14. Nf3 Ne4 15. a4 a6 16. Bb2 h6 17. Nd4 Bg6 18. Bh3 Rxc1 19. Qxc1 Bf6 20. Rd1 Qb6 21. Qa1 Re8 22. Bg2 Rc8 23. h3 Kh7 24. Qa3 Nc3 25. a5 Qc7 26. Bxc3 Qxc3 27. Qa4 Rc5 28. b4 Rc4 29. e3 Bxd4 30. exd4 Bc2 31. Qd7 Bxd1 32. Bxd5 Rc7 |