| ECO A05 in 1974 play it! ree hans defeats black's vogel jaap in 83 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. d3 d5 6. Nbd2 Nc6 7. e4 e6 8. Re1 Be7 9. e5 Nd7 10. c4 Nb4 11. cxd5 Bxd5 12. Ne4 Nxa2 13. Rxa2 Bxa2 14. b3 b5 15. Qc2 Bxb3 16. Qxb3 Rb8 17. Nd6+ Bxd6 18. exd6 O-O 19. Bg5 Nf6 20. Qc3 Rb6 21. d7 Qxd7 22. Bxf6 gxf6 23. Qxf6 Qd8 24. Qh6 f6 25. Re4 Kh8 26. Bh3 f5 27. Ng5 Qe7 28. Rh4 Rf6 29. Qh5 h6 30. Nf3 Qf7 31. Qg5 Qg7 32. Qc1 Qf8 33. Ne5 Rb7 34. Bg2 Rc7 35. Qb2 Kg7 36. Qxb5 Qd6 37. Qb2 Rc8 38. Ra4 Rb8 39. Rxa7+ Kg8 40. Qa1 Qb6 41. Nd7 Qb1+ 42. Bf1 |
| ECO A04 in 1974 play it! ree hans defeats black's kaplan julio p in 83 moves | 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Bg4 10. Bg5 h6 11. Bh4 Bxf3 12. Bxf3 Nbd7 13. Qc2 a6 14. a4 c4 15. Be2 Rc8 16. Rfe1 Ne5 17. a5 g5 18. Bg3 Nfd7 19. Nd1 Re8 20. Ne3 Nd3 21. Bxd3 cxd3 22. Qxd3 Bxb2 23. Rab1 Nc5 24. Qd2 Bg7 25. f3 Na4 26. Nf5 Bc3 27. Qd1 Qxa5 28. Rf1 b5 29. Nxh6+ Kg7 30. Nf5+ Kg6 31. Nxd6 Rcd8 32. Nxe8 Rxe8 33. d6 Qb6+ 34. Kh1 Qc6 35. e5 f5 36. exf6 Bxf6 37. Qd3+ Kg7 38. Rfe1 Nc5 39. Qf5 Rxe1+ 40. Rxe1 Nd7 41. f4 gxf4 42. Bxf4 |
| ECO A08 in 2001 play it! ree hans defeats black's konings leon in 67 moves | 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O Nf6 5. d3 g6 6. Nbd2 Bg7 7. e4 dxe4 8. dxe4 O-O 9. c3 Ng4 10. Qe2 Nge5 11. Ne1 g5 12. f4 gxf4 13. gxf4 Ng6 14. Ndf3 Qc7 15. f5 Nf4 16. Bxf4 Qxf4 17. Nd3 Qd6 18. Rad1 c4 19. Nf2 Qc5 20. Kh1 e6 21. Bh3 Re8 22. Rg1 exf5 23. Rg2 f6 24. Nh4 Be6 25. Rdg1 Re7 26. Bxf5 Nd8 27. Qh5 Kf8 28. Qxh7 Bg8 29. Ng6+ Kf7 30. Qh5 Rc7 31. Nf4+ Kf8 32. Rxg7 Rxg7 33. Qh6 Qc7 34. Nh5 |
| ECO A05 in 1990 play it! ree hans defeats black's brenninkmeijer j in 115 moves | 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Nb1 Ba6 8. Be2 e6 9. O-O Be7 10. Nbd2 O-O 11. Bxc4 Bxc4 12. Nxc4 Qd5 13. b3 Nbd7 14. Bb2 Rfd8 15. Qc2 c5 16. Rfd1 Qb7 17. Nfe5 Rac8 18. Nxd7 Nxd7 19. Rac1 cxd4 20. Bxd4 Nb6 21. Bxb6 axb6 22. Qe2 Rd5 23. e4 Rxd1+ 24. Rxd1 Qc7 25. Rd3 Rd8 26. Qd1 Rxd3 27. Qxd3 Qc6 28. g3 g6 29. Kg2 f6 30. f3 Kf8 31. h4 Kf7 32. g4 Kf8 33. Qe2 Bc5 34. Qd2 Ke8 35. Qf4 e5 36. Qd2 Qe6 37. Qd3 Bd4 38. Qd2 Bc5 39. Qd3 Bd4 40. Qd2 Bc5 41. g5 fxg5 42. Qxg5 Bd4 43. Qh6 Qe7 44. Kg3 Kd7 45. h5 gxh5 46. Qxh5 Kc7 47. Kg4 Kb8 48. Qh6 Kc7 49. Qg5 Qe6+ 50. Qf5 Qe7 51. Kh5 Qg7 52. Qe6 Qg2 53. Qf7+ Kc6 54. Kh6 Qh3+ 55. Qh5 Qd7 56. Qf5 Qxf5 57. exf5 Kd5 58. Kxh7 |
| ECO A07 in 1987 play it! ree hans defeats black's brenninkmeijer j in 53 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. b3 e6 6. Bb2 Nbd7 7. d4 Be7 8. Nbd2 O-O 9. c4 Qb8 10. h3 Bh5 11. Re1 h6 12. Qc1 a5 13. Ba3 Bxa3 14. Qxa3 e5 15. dxe5 Nxe5 16. Nh4 Qa7 17. Nf5 Rfd8 18. Qb2 Re8 19. cxd5 Nxd5 20. Nc4 f6 21. Rad1 Nb6 22. Ncd6 Re6 23. Qd4 Rd8 24. Qc5 Ned7 25. Nxh6+ gxh6 26. Qxh5 Ne5 27. Nf5 |
| ECO A05 in 1970 play it! ree hans defeats black's rocha antonio in 79 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. Nbd2 Be7 7. e4 O-O 8. e5 Nfd7 9. Re1 c5 10. Nf1 Nc6 11. h4 b5 12. Bf4 a5 13. N1h2 b4 14. Ng5 h6 15. Ngf3 Re8 16. Qd2 Kh7 17. Ng4 Bf8 18. c3 a4 19. c4 Nb6 20. Bxh6 gxh6 21. Nf6+ Kh8 22. d4 Bg7 23. Ng5 Bxf6 24. Nxf7+ Kg7 25. Nxd8 Bxd8 26. cxd5 Nxd4 27. dxe6 Bxg2 28. Kxg2 Rxe6 29. f4 Rg6 30. h5 Re6 31. Qd3 Bc7 32. f5 Rxe5 33. f6+ Kxf6 34. Qg6+ Ke7 35. Rxe5+ Bxe5 36. Qxb6 Rg8 37. Qxc5+ Kf6 38. Rf1+ Nf5 39. Qc6+ Kg5 40. Qe4 |
| ECO A09 in 1974 play it! ree hans defeats black's lombardy william in 81 moves | 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O a6 10. e4 c5 11. d5 e5 12. b3 Bd6 13. Re1 O-O 14. Bf1 h6 15. Bb2 Re8 16. a4 b4 17. Nb1 Nxe4 18. Rxe4 f5 19. Re1 e4 20. Nfd2 Nf6 21. h3 Nxd5 22. Nc4 Bc7 23. Qh5 Qg5 24. Qxg5 hxg5 25. Nbd2 Rad8 26. Rad1 Nc3 27. Rc1 Nd5 28. Rc2 Nf4 29. Ne3 g6 30. Bf6 Rd6 31. Bc4+ Kh7 32. Bxg5 Rd7 33. Rd1 Nd3 34. Bxd3 exd3 35. Rxc5 Bb6 36. Rcc1 Bd4 37. Nb1 Be5 38. Nc4 Bc7 39. Re1 Re2 40. Nbd2 Be5 41. Nxe5 |
| ECO A04 in 1983 play it! ree hans defeats black's de boehm h in 111 moves | 1. Nf3 f5 2. d3 Nf6 3. Bg5 d5 4. Nbd2 e6 5. e4 Be7 6. exf5 exf5 7. g3 O-O 8. Bg2 Nh5 9. Bxe7 Qxe7+ 10. Qe2 Qxe2+ 11. Kxe2 Re8+ 12. Kd1 f4 13. Re1 Rxe1+ 14. Kxe1 Nd7 15. Nb3 Ndf6 16. Kf1 c6 17. Re1 g6 18. Nfd4 Kf7 19. Nc5 fxg3 20. hxg3 b6 21. Nce6 Bxe6 22. Nxe6 Re8 23. Nd4 Rxe1+ 24. Kxe1 c5 25. Nb5 a5 26. Nd6+ Ke6 27. Nc8 b5 28. Bh3+ Ke5 29. Na7 b4 30. Nc6+ Kd6 31. Nxa5 Ng7 32. Ke2 g5 33. Nb7+ Kc6 34. Nd8+ Kc7 35. Ne6+ Nxe6 36. Bxe6 Kd6 37. Bc8 h5 38. Ke3 d4+ 39. Kf3 Ke5 40. Bb7 Ne8 41. a4 bxa3 42. bxa3 Nf6 43. a4 Kd6 44. Be4 Kc7 45. Bg6 Kb6 46. Bxh5 Ka5 47. Bf7 Kxa4 48. g4 Kb5 49. Kg3 Kc6 50. f4 gxf4+ 51. Kxf4 Kd6 52. g5 Nd7 53. g6 Ke7 54. Kf5 Nf6 55. Kg5 Nd7 56. Bb3 |
| ECO A05 in 1990 play it! ree hans defeats black's kouatly bachar in 91 moves | 1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 O-O 5. e3 b6 6. Be2 c5 7. a3 Bb7 8. O-O d6 9. d4 Nbd7 10. d5 cxb4 11. axb4 b5 12. Nbd2 bxc4 13. e4 Nb6 14. Bd4 Qd7 15. Bxb6 axb6 16. Rxa8 Rxa8 17. Bxc4 Ne8 18. Bd3 b5 19. Nb3 Bc3 20. Nbd4 Bxb4 21. Bxb5 Qc8 22. Qb1 Qc5 23. Rc1 Bc3 24. Bxe8 Rxe8 25. Qxb7 Qa3 26. Rf1 Kf8 27. Nc6 Bf6 28. h3 Kg7 29. Qd7 Ra8 30. e5 dxe5 31. Ncxe5 h5 32. Qc6 Rd8 33. Nd7 Bb2 34. Qc7 Ra8 35. Qc2 Kg8 36. Nb6 Rb8 37. Nc4 Qc5 38. Rb1 Rb4 39. Rxb2 Rxc4 40. Rb8+ Kh7 41. Qb2 f6 42. Ng5+ Kh6 43. Ne6 Rc1+ 44. Kh2 Qd6+ 45. f4 Kh7 46. Rd8 |
| ECO A15 in 1972 play it! ree hans defeats black's clua ballague m in 59 moves | 1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. d4 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 b6 8. e5 Be6 9. exf6 Bxc4 10. fxg7 Kxg7 11. Bxc4 c6 12. O-O f6 13. Bf4 b5 14. Bb3 Qb6 15. Rfe1 Qb7 16. Re6 Na6 17. d5 Nb4 18. Rae1 Rf7 19. dxc6 Nxc6 20. Bd5 Rc8 21. Nd4 Nxd4 22. Bxb7 Nxe6 23. Bxc8 Nxf4 24. Be6 Rf8 25. Nxb5 Rb8 26. Bc4 a6 27. Rxe7+ Kh6 28. Nd6 Rxb2 29. h4 Rd2 30. Ne8 |
| ECO A13 in 1965 play it! ree hans defeats black's hoelzl franz in 77 moves | 1. c4 e6 2. Nf3 d5 3. g3 c6 4. b3 Nf6 5. Bg2 Be7 6. O-O O-O 7. Bb2 Nbd7 8. Qc2 Bd6 9. d4 Ne4 10. Ne5 f5 11. Nd2 Qg5 12. Ndf3 Qh5 13. a3 Ndf6 14. b4 a6 15. Qb3 g5 16. Rad1 Bd7 17. a4 b5 18. c5 Bb8 19. Ne1 Bxe5 20. dxe5 Ng4 21. h3 Ngxf2 22. Rxf2 Nxf2 23. Kxf2 g4 24. Nd3 bxa4 25. Qc3 f4 26. Nxf4 gxh3 27. Rh1 a5 28. bxa5 Rab8 29. Bxh3 Qg5 30. Qc2 h5 31. Bg2 Rf7 32. Bf3 Be8 33. Rxh5 Qg7 34. Rh4 Rf5 35. Rg4 Rg5 36. Nxe6 Rxg4 37. Nxg7 Rxg7 38. e6 Rg5 39. Qc3 |
| ECO A21 in 1995 play it! ree hans defeats black's peek marcel in 68 moves | 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 Nc6 5. Bg2 Nge7 6. e4 d6 7. Ne2 O-O 8. O-O f5 9. exf5 Bxf5 10. d4 Qe8 11. c5 Qh5 12. f3 Be6 13. cxd6 cxd6 14. Re1 Bd5 15. f4 Bxg2 16. Kxg2 e4 17. c4 Nf5 18. Nc3 Qf3+ 19. Qxf3 exf3+ 20. Kf2 Nfxd4 21. Rb1 b6 22. Bb2 Rae8 23. Nb5 Nc2 24. Rxe8 Rxe8 25. Kxf3 Ne1+ 26. Kg4 Re2 27. Bc3 Nd3 28. Kf3 Rxh2 29. Rd1 Nb2 30. Rxd6 Ne7 31. Rd7 Kf7 32. Bb4 Nxc4 33. Rxe7+ Kf6 34. Rxa7 Rb2 |
| ECO A21 in 1971 play it! ree hans defeats black's cuijpers frans a in 113 moves | 1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 Nge7 7. Rb1 a5 8. a3 O-O 9. O-O Bf5 10. d3 Qd7 11. Nd5 Nxd5 12. cxd5 Ne7 13. e4 Bg4 14. f3 Bh3 15. d4 Bxg2 16. Kxg2 f5 17. dxe5 dxe5 18. Nc3 Rf7 19. Be3 Raf8 20. Qe2 f4 21. Bc5 fxg3 22. hxg3 b6 23. Bxe7 Qxe7 24. Rbc1 Qg5 25. Rc2 Bf6 26. Nb5 Bd8 27. Qd2 Qxd2+ 28. Rxd2 Rd7 29. Rc2 Rff7 30. Rc6 Rf6 31. Rc3 Kg7 32. Rfc1 Rff7 33. Rc6 Rf6 34. R6c4 Rff7 35. R1c2 h5 36. Rc6 Rf6 37. R6c3 Rff7 38. Rc6 g5 39. Re6 Rde7 40. Rcc6 Rxe6 41. Rxe6 g4 42. fxg4 hxg4 43. Re8 Bg5 44. Rc8 Be3 45. Rxc7 Rxc7 46. Nxc7 Bc1 47. a4 Bxb2 48. Ne8+ Kf8 49. Nd6 Bd4 50. Kf1 Bc5 51. Nc4 Bd4 52. Ke2 Ke8 53. Kd3 Kd7 54. Ne3 b5 55. Nf5 b4 56. Kc4 Bf2 57. Nh6 |
| ECO A15 in 1971 play it! ree hans defeats black's donner jan in 85 moves | 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. b3 Re8 9. Qc2 c6 10. Rd1 e4 11. Ng5 e3 12. fxe3 Ng4 13. e4 Nf8 14. Nf3 Qe7 15. h3 Nf6 16. e3 Bh6 17. Qe2 Nxe4 18. Nxe4 Qxe4 19. Ne5 Qf5 20. Rf1 Qe6 21. Nxf7 Bxe3+ 22. Bxe3 Qxe3+ 23. Qxe3 Rxe3 24. Kh2 Rd3 25. d5 cxd5 26. cxd5 b6 27. Nxd6 Ba6 28. Rf2 Rd8 29. Nf7 R8xd5 30. Bxd5 Rxd5 31. Re1 Rd7 32. Nh6+ Kg7 33. Re8 Kxh6 34. Rexf8 Rd1 35. R8f7 Bb5 36. g4 Bc6 37. h4 a5 38. Rc7 Bd5 39. Kg3 Rd3+ 40. Kf4 Bg8 41. Ke4 Rd8 42. Rf6 Rb8 43. Rcc6 |
| ECO A15 in 1971 play it! ree hans defeats black's van den berg car in 39 moves | 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 Bxc3+ 10. bxc3 d6 11. f4 Ng6 12. Bg2 O-O 13. Be3 Qa6 14. c5 Qxe2+ 15. Kxe2 dxc5 16. e5 Nd5 17. Bxc5 Re8 18. c4 Nb6 19. Na5 Bd7 20. Bd6 |
| ECO A10 in 1966 play it! ree hans defeats black's kristjansson bra in 67 moves | 1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 O-O 6. O-O d6 7. d3 Nc6 8. Rb1 e5 9. b4 h6 10. b5 Ne7 11. Qb3 Be6 12. Ne1 Qc8 13. f4 exf4 14. gxf4 Nd7 15. Nf3 c6 16. Bd2 Nb6 17. Qb4 Qc7 18. a4 a5 19. bxa6 Rxa6 20. a5 Nd7 21. Qxb7 Qxb7 22. Rxb7 Nc8 23. Na4 d5 24. cxd5 cxd5 25. Rc1 Nd6 26. Rbb1 Re8 27. Rc7 Nf6 28. Nc5 Raa8 29. Ne5 Rad8 30. Nxg6 Kh7 31. Ne5 Rc8 32. Rxc8 Bxc8 33. a6 Ng4 34. a7 |
| ECO A13 in 1968 play it! ree hans defeats black's timman jan in 67 moves | 1. c4 e6 2. Nc3 Bb4 3. e4 Ne7 4. a3 Bxc3 5. dxc3 d6 6. f4 Nd7 7. Bd3 b6 8. Nf3 Bb7 9. Bc2 e5 10. f5 Nf6 11. Qe2 Qd7 12. O-O Qc6 13. Re1 h6 14. a4 a5 15. Bd3 Qd7 16. Rf1 Bc6 17. b3 Bb7 18. Nd2 Rg8 19. Nf3 O-O-O 20. b4 Qc6 21. Nd2 g6 22. fxg6 Rxg6 23. c5 dxc5 24. bxa5 Qd7 25. Bb5 Qh3 26. Rf3 Qh4 27. axb6 Nxe4 28. Ba6 Ng5 29. Rg3 Rxb6 30. Bxb7+ Rxb7 31. Nc4 f6 32. Bxg5 fxg5 33. Rh3 Qf4 34. Rf1 |
| ECO A15 in 1965 play it! ree hans defeats black's glauser hansrued in 65 moves | 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. Rb1 e5 8. b4 Bf5 9. d3 Qd7 10. b5 Ne7 11. Re1 Bh3 12. Bh1 h6 13. Nd2 Rab8 14. Qa4 b6 15. Qxa7 d5 16. Qa3 d4 17. Na4 Nh5 18. c5 f5 19. cxb6 cxb6 20. Nc4 f4 21. Naxb6 fxg3 22. f3 Qe6 23. hxg3 Nxg3 24. Qd6 Qf5 25. Qxe7 Nxh1 26. Qh4 Bf6 27. Qxh6 Ng3 28. Nd5 Rbd8 29. Nxf6+ Rxf6 30. Bg5 Rdf8 31. Bxf6 Rxf6 32. Kh2 Nh5 33. Rg1 |
| ECO A13 in 1997 play it! ree hans defeats black's vanderstricht ge in 79 moves | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. e3 Re8 9. Qe2 Bf8 10. d4 cxd4 11. exd4 Ne4 12. Ne5 f5 13. Rd1 Bd7 14. Nc3 Nxe5 15. dxe5 Qc7 16. Qd3 Nc5 17. Qe2 dxc4 18. Qxc4 Bc6 19. Nb5 Bxb5 20. Qxb5 a6 21. Qe2 Rad8 22. Bd4 Qa5 23. Rac1 Rd7 24. Bxc5 Rxd1+ 25. Qxd1 Bxc5 26. Qd7 Kf8 27. Bxb7 Rd8 28. Qxe6 Bxf2+ 29. Kg2 Ba7 30. Qxf5+ Kg8 31. Qe6+ Kh8 32. Rc2 Qe1 33. Bf3 Qg1+ 34. Kh3 Qf1+ 35. Bg2 Qd1 36. Qf5 g6 37. Qf6+ Kg8 38. Bf3 Qf1+ 39. Rg2 Qd3 40. Bg4 |
| ECO A12 in 1984 play it! ree hans defeats black's kuijf marinus in 79 moves | 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bg4 5. d3 e6 6. Nbd2 Nbd7 7. h3 Bxf3 8. Nxf3 e5 9. e3 Qa5+ 10. Nd2 dxc4 11. bxc4 Rd8 12. Qc1 e4 13. Bc3 Bb4 14. Bxb4 Qxb4 15. d4 Qa5 16. g3 c5 17. d5 b5 18. Bg2 bxc4 19. O-O Nb6 20. Nxc4 Nxc4 21. Qxc4 O-O 22. Rfd1 Rfe8 23. Rac1 h6 24. Qxc5 Qxa2 25. d6 Qe6 26. Bf1 Nd7 27. Qxa7 Ne5 28. Qc5 Rc8 29. Qa3 Rxc1 30. Qxc1 Rc8 31. Qb1 Nf3+ 32. Kh1 Rd8 33. Qb6 Rd7 34. Qc6 g6 35. Qd5 Ng5 36. h4 Qxd5 37. Rxd5 Ne6 38. Bb5 Rd8 39. d7 f5 40. Re5 |