| ECO A05 in 1979 play it! nei iivo defeats black's zilberstein vale in 80 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. b3 Be7 9. Ba3 O-O 10. Rc1 b6 11. Ne1 Bb7 12. Nd3 Bd6 13. Ne4 Rb8 14. Nxd6 Qxd6 15. Nxc5 bxc5 16. Bxc5 Qd7 17. Bxf8 Kxf8 18. Qc2 Nd5 19. Qxh7 Nf6 20. Qh8+ Ke7 21. Bxc6 Rxh8 22. Bxd7 Nxd7 23. Rc7 Rb8 24. d3 Kd6 25. Rfc1 a5 26. h4 f5 27. f3 g6 28. Kf2 Nf8 29. R7c5 Ra8 30. Rb5 Ra7 31. Rb6+ Kd7 32. h5 gxh5 33. Rf6 Ne6 34. Rxf5 Kd6 35. Rxh5 Bd5 36. e4 Bc6 37. Rh6 Bd7 38. f4 exf4 39. gxf4 Ke7 40. Rh7+ Kd8 |
| ECO A08 in 1989 play it! nei iivo defeats black's kiik kalle in 78 moves | 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O Nf6 5. d3 e6 6. Nbd2 Be7 7. e4 O-O 8. Re1 Kh8 9. e5 Ng8 10. Nf1 b5 11. h4 a5 12. c4 b4 13. Qe2 Ra7 14. Bf4 Rd7 15. Rad1 Bb7 16. Ne3 Qa8 17. cxd5 exd5 18. Nf5 Nd8 19. d4 Ne6 20. Be3 c4 21. Bh3 Ba6 22. Qc2 Bb5 23. Kg2 Qe8 24. Rc1 Rc7 25. Bg5 Nxg5 26. hxg5 Bd7 27. Rh1 g6 28. Ne3 Be6 29. Rh2 Kg7 30. Rch1 h6 31. gxh6+ Kh7 32. Qe2 Qd7 33. Ne1 Bxh3+ 34. Rxh3 f6 35. Nf3 Qe6 36. Qc2 f5 37. Nf1 Rfc8 38. Ne3 c3 39. b3 Bd8 |
| ECO A05 in 1975 play it! nei iivo defeats black's beliavsky alexan in 55 moves | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e3 O-O 7. Bc4 Nb6 8. Bb3 c5 9. O-O cxd4 10. exd4 Bg4 11. d5 a5 12. a3 Na6 13. h3 Bxf3 14. Qxf3 Rc8 15. Re1 Nc5 16. Ba2 h6 17. Bf4 Nca4 18. Nxa4 Nxa4 19. Be5 Bxe5 20. Rxe5 Qb6 21. Rb1 Rc2 22. Bb3 Rxb2 23. Rxb2 Nxb2 24. Rxe7 Qc5 25. d6 Qc1+ 26. Kh2 Nc4 27. Qf6 b5 28. d7 |
| ECO A07 in 1963 play it! nei iivo defeats black's mikenas vladas in 73 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Ne4 10. Bb2 f5 11. Rc1 Qe8 12. e3 Rd8 13. Qe2 Bd5 14. Ne1 g5 15. f3 Nd6 16. Ne5 Nc8 17. e4 Bxe5 18. exd5 Bxd4+ 19. Bxd4 Nxd4 20. Qe5 Nb5 21. a4 Nbd6 22. Rxc7 Rf6 23. f4 gxf4 24. Qxf4 Rd7 25. Rxd7 Qxd7 26. Nd3 Qc7 27. Rc1 Qb6+ 28. Nc5 a5 29. Kh1 Qb4 30. Qxb4 axb4 31. Nxb7 Nxb7 32. Rxc8+ Kf7 33. Rb8 Nc5 34. Rxb4 Ra6 35. Rb5 Nxa4 36. bxa4 Rxa4 37. Rb1 |
| ECO A04 in 1961 play it! nei iivo defeats black's oim tonu in 69 moves | 1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. d3 Nf6 6. e4 d6 7. Nbd2 Qc7 8. Re1 Nc6 9. b3 Be7 10. Bb2 O-O 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 Nd7 14. Rc1 e5 15. Be3 f5 16. exf5 Bxg2 17. Kxg2 Rxf5 18. c4 Qc6+ 19. Kg1 Raf8 20. Rc2 h5 21. Nb1 e4 22. Bd4 Ne5 23. Bxe5 Rxe5 24. Nc3 b5 25. Nxb5 d5 26. Nd4 Qb6 27. f4 Bc5 28. fxe5 Bxd4+ 29. Kg2 dxc4 30. Rxe4 cxb3 31. axb3 Rd8 32. Rd2 Qb7 33. Qe2 Bb6 34. Rxd8+ Bxd8 35. Qf3 |
| ECO A05 in 1977 play it! nei iivo defeats black's karner hillary in 71 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb7 5. Bd3 c5 6. Bc2 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Ng4 10. h3 Qh4 11. g3 Qf6 12. Qxf6 Nxf6 13. Bd2 Rc8 14. Bd3 Bb4 15. f3 Ba6 16. e5 Bxc3 17. Bxc3 Nh5 18. Kf2 Bxc4 19. Bxc4 Rxc4 20. Rhc1 O-O 21. Bd2 Rfc8 22. g4 Rc2 23. Rxc2 Rxc2 24. Rc1 Rxd2+ 25. Ke3 Re2+ 26. Kxe2 Nf4+ 27. Kd2 Kf8 28. Rc7 Ke7 29. Rxa7 Ng6 30. Rb7 Nxe5 31. Ke2 Ng6 32. Rxb6 Nf4+ 33. Kd2 Nxh3 34. a4 Kd8 35. a5 Kc7 36. Rb5 |
| ECO A16 in 1990 play it! nei iivo defeats black's lahti jouko in 55 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. e3 Bg7 5. d4 O-O 6. Be2 d6 7. O-O Na6 8. b3 b6 9. Bb2 Nc7 10. Qd2 Rb8 11. Rad1 Bg4 12. h3 Bd7 13. Rfe1 Qc8 14. e4 Nh5 15. dxc5 bxc5 16. e5 Be6 17. exd6 exd6 18. Qxd6 Ne8 19. Qd2 Nc7 20. Ne4 Bxb2 21. Qxb2 Ne8 22. Qe5 f6 23. Qxc5 Bxh3 24. gxh3 Qxh3 25. Nh2 Nf4 26. Bf1 Qh4 27. Qe3 Ng7 28. Qg3 |
| ECO A16 in 1992 play it! nei iivo defeats black's aalto t in 67 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Bg5 c5 6. d5 Qa5 7. f3 O-O 8. Qd2 a6 9. a4 e6 10. Ra3 Re8 11. Bd3 exd5 12. cxd5 Nbd7 13. Be2 Rb8 14. Nh3 Ne5 15. Nf2 Qb4 16. Qc2 Bd7 17. Bd2 Qd4 18. Ncd1 c4 19. Be3 Nd3+ 20. Bxd3 cxd3 21. Nxd3 Rbc8 22. Qxc8 Qxe3+ 23. Nxe3 Rxc8 24. Ke2 Ne8 25. Rd1 b5 26. a5 b4 27. Rb3 Ba4 28. Rxb4 Bxd1+ 29. Kxd1 Bf6 30. Nc4 Be7 31. b3 Bd8 32. Rb7 f5 33. exf5 gxf5 34. Nb4 |
| ECO A21 in 1965 play it! nei iivo defeats black's kuijpers frans a in 61 moves | 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 c6 7. f3 d5 8. Qb3 Qb6 9. Qxb6 axb6 10. cxd5 cxd5 11. g4 h6 12. gxf5 exf3 13. Bd3 f2+ 14. Kxf2 Nc6 15. Rg1 Kf7 16. Nf3 Bd6 17. Bd2 Re8 18. Nxd5 Nxd5 19. Bc4 Nce7 20. e4 Kf8 21. e5 Bxe5 22. dxe5 Bxf5 23. Nd4 Red8 24. Rad1 Rac8 25. Bxd5 Rxd5 26. Nxf5 Rc2 27. Nxe7 Rdxd2+ 28. Rxd2 Rxd2+ 29. Ke3 Rxh2 30. Nf5 Kf7 31. Rxg7+ |
| ECO A21 in 1964 play it! nei iivo defeats black's mnatsakanian edu in 79 moves | 1. c4 e5 2. Nc3 d6 3. Nf3 Nf6 4. d4 Nbd7 5. e4 Be7 6. Be2 O-O 7. O-O Re8 8. Re1 h6 9. Rb1 a5 10. b3 c6 11. Bf1 Nh7 12. d5 c5 13. a3 Ng5 14. Nd2 Bf8 15. h4 Nh7 16. g3 Nhf6 17. Bh3 Nb8 18. Bxc8 Qxc8 19. Kg2 Na6 20. Nf1 g6 21. f3 Bg7 22. Be3 Nh5 23. Nh2 Rf8 24. Qd2 Kh7 25. Nb5 Qd8 26. g4 Nf4+ 27. Bxf4 exf4 28. Qxf4 Be5 29. Qe3 g5 30. hxg5 hxg5 31. Nf1 Kg6 32. Ng3 Rh8 33. Rh1 Rxh1 34. Rxh1 Qf6 35. Qd3 Rh8 36. Rxh8 Qxh8 37. Nxd6 Nb8 38. Nh5 Nd7 39. Nf5 Nf8 40. Qb1 |
| ECO A15 in 1959 play it! nei iivo defeats black's kliavinsh janis in 84 moves | 1. c4 Nf6 2. Nf3 c5 3. e3 d5 4. d4 cxd4 5. exd4 g6 6. cxd5 Nxd5 7. Bc4 Bg7 8. Qb3 e6 9. Nc3 Nxc3 10. bxc3 O-O 11. O-O Nc6 12. Bb5 Bd7 13. Bd3 Qc7 14. Re1 Na5 15. Qc2 Rac8 16. Bd2 Nc4 17. Rac1 Bb5 18. Bxc4 Bxc4 19. Ne5 Qa5 20. Rb1 Qd5 21. a4 b6 22. Ra1 Rfd8 23. a5 Bb3 24. Qb2 bxa5 25. c4 Bxc4 26. Rxa5 Qxd4 27. Bc3 Qb6 28. Qa1 Bb5 29. h4 f6 30. Ng4 e5 31. Rxa7 Rxc3 32. Rxg7+ Kxg7 33. Qxc3 Qd4 34. Qf3 Rd6 35. h5 Qb4 36. Rc1 Qd4 37. Rc7+ Kf8 38. hxg6 Qd1+ 39. Kh2 hxg6 40. Qh3 Rd7 41. Qh8+ Ke7 42. Qxf6+ Ke8 |
| ECO A35 in 1975 play it! nei iivo defeats black's rantanen yrjo by checkmate in 69 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. h3 e6 7. Be2 Nge7 8. O-O O-O 9. d5 Ne5 10. Nh2 f5 11. f4 Nf7 12. Bd2 e5 13. Kh1 g5 14. g3 Ng6 15. Rf2 a6 16. Rb1 b6 17. b4 Ra7 18. a4 gxf4 19. gxf4 exf4 20. exf4 Bd4 21. Rg2 cxb4 22. Rxb4 Re8 23. Nf3 Bc5 24. Rb1 Kf8 25. a5 bxa5 26. Na4 Be3 27. Bc3 Nxf4 28. Bg7+ Ke7 29. Nd4 Kd7 30. Nb6+ Kc7 31. Qa4 Bd7 32. Nxd7 Qxd7 33. Qxa5+ Kc8 34. Nc6 Nxg2 35. Rb8# |
| ECO A19 in 1961 play it! nei iivo defeats black's klovans janis in 99 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 Nc6 6. dxc5 Bxc5 7. Nf3 Nge7 8. Bd3 Ng6 9. Bxg6 hxg6 10. Ne4 Bb4+ 11. Bd2 Qa5 12. a3 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 Ke7 15. Ke3 Rh5 16. Ng3 Rh8 17. Rad1 b6 18. h4 Bb7 19. h5 gxh5 20. Nxh5 g6 21. Nf4 g5 22. Nd3 g4 23. Nd2 Rag8 24. Rxh8 Rxh8 25. g3 Rh2 26. b4 Nd8 27. Kd4 d6 28. exd6+ Kxd6 29. Ke3 Ke7 30. a4 Rh5 31. Kf4 f5 32. a5 bxa5 33. b5 Kf6 34. Ne5 Nf7 35. Nxf7 Kxf7 36. Nb3 Kf6 37. Nxa5 e5+ 38. Ke3 Bf3 39. Rc1 Kg5 40. c5 Rh7 41. c6 f4+ 42. Kd2 Rc7 43. Rc5 Kf5 44. Nc4 Ke4 45. Kc3 fxg3 46. fxg3 Be2 47. Nxe5 Ke3 48. Kb4 Kd4 49. Rc2 Bf3 50. Nxg4 |
| ECO A16 in 1959 play it! nei iivo defeats black's stein leonid in 63 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. e3 g6 5. d4 cxd4 6. exd4 d5 7. Be2 dxc4 8. d5 Na5 9. b4 cxb3 10. axb3 b6 11. b4 Nb7 12. Bf4 Bg7 13. Ne5 O-O 14. O-O Nd6 15. Nc6 Qd7 16. Bf3 Re8 17. Re1 Bb7 18. Rc1 Ba6 19. g4 h6 20. h4 Bc4 21. Ne5 Qd8 22. Nxc4 Nxc4 23. Nb5 Nd6 24. Nc7 Qd7 25. g5 hxg5 26. hxg5 Nh7 27. Bg4 Nf5 28. Nxa8 Rxa8 29. Rc7 Qb5 30. Bxf5 gxf5 31. Rexe7 Rf8 32. Qh5 |
| ECO A16 in 1989 play it! nei iivo defeats black's rovid kalman in 41 moves | 1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. e3 O-O 6. Be2 dxc4 7. Bxc4 c5 8. O-O cxd4 9. exd4 Bg4 10. Be3 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. Bxf3 Bxf3 14. Qxf3 Qd7 15. Rad1 Rfd8 16. Rfe1 Ne8 17. Bg5 Bf8 18. d6 Nxd6 19. Nd5 Re8 20. Bxe7 Bg7 21. Qf4 |
| ECO A18 in 1963 play it! nei iivo defeats black's estrin yacov in 55 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Nc6 7. Bb5 Bd7 8. O-O a6 9. Be2 Be6 10. d4 Be7 11. Bd3 Bf5 12. Ne2 Qd7 13. Be3 Rd8 14. a3 f6 15. Qc2 fxe5 16. Nxe5 Nxe5 17. dxe5 O-O 18. Nd4 Bg6 19. b4 Rc8 20. f3 c5 21. bxc5 Bxc5 22. Qb2 Ng3 23. e6 Qe7 24. Bxg6 Nxf1 25. Bf7+ Rxf7 26. exf7+ Kh8 27. Bf2 Ne3 28. Re1 |
| ECO A16 in 1962 play it! nei iivo defeats black's vooremaa andres in 51 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. e5 dxe5 10. fxe5 Ng4 11. Bg5 Qa5 12. cxd5 Nxe5 13. O-O Nxf3+ 14. Bxf3 f6 15. Bf4 Nd7 16. d6 Nb6 17. Nd5 Bd7 18. Ne7+ Kh8 19. Bxb7 Rae8 20. Kh1 Nc4 21. Qc2 Qb5 22. Bd5 Nxb2 23. Rab1 f5 24. Rf3 Rxe7 25. dxe7 Re8 26. Re3 |
| ECO A19 in 1964 play it! nei iivo defeats black's donner jan hein in 63 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nf3 Qa5 9. Bd2 dxe5 10. Nb5 Bb4 11. O-O-O Bxd2+ 12. Rxd2 Nf6 13. Qh4 O-O 14. Nc3 Rd8 15. Bd3 Bd7 16. Re1 Be8 17. g4 h6 18. g5 hxg5 19. Nxg5 Nb4 20. Re3 Nxd3+ 21. Rexd3 Rxd3 22. Rxd3 Rd8 23. Rh3 Kf8 24. Qh8+ Ke7 25. Qxg7 e4 26. Rh8 Qf5 27. Qf8+ Kd7 28. Nxf7 Qf4+ 29. Kb1 Rc8 30. Qg7 Kc6 31. Rh6 Nd7 32. Rxe6+ |
| ECO A17 in 1990 play it! nei iivo defeats black's henttinen markku in 121 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Nc6 7. a3 Bxc3+ 8. Qxc3 Ne4 9. Qe3 f5 10. Nd2 Qa5 11. Rb1 Qxc5 12. Nxe4 Qxe3 13. Bxe3 fxe4 14. c5 Rb8 15. g3 b6 16. Bg2 Rf7 17. Bxe4 bxc5 18. Bxc5 d5 19. Bc2 Ba6 20. b4 Ne5 21. Ra1 Rc8 22. Bd1 Bc4 23. f3 a5 24. Bd6 Nc6 25. bxa5 Rd7 26. Bb4 Rb7 27. Rb1 Nxa5 28. Ba4 Ba6 29. Kf2 Nc4 30. Rbc1 Rbc7 31. Bb3 Ra7 32. Rhd1 Rb8 33. Rc3 Bb5 34. Ra1 Nd2 35. Bc2 Nc4 36. Bd3 Rba8 37. Rac1 Ba6 38. e4 Bb5 39. Bf1 Kf7 40. Rd1 Nb2 41. Rd2 Bxf1 42. Rxb2 Bc4 43. Ke3 Rb7 44. Kf4 Rb5 45. exd5 exd5 46. h4 Rb6 47. Ke3 Rc6 48. Kd4 Rb6 49. Re3 Rb7 50. Rb1 Rc8 51. Rbe1 Ba2 52. Bc5 Rb3 53. Re7+ Kg8 54. R7e2 Rb5 55. Re8+ Rxe8 56. Rxe8+ Kf7 57. Ra8 Rb7 58. a4 Bc4 59. a5 Rb3 60. Ke5 g6 61. a6 |
| ECO A10 in 1988 play it! nei iivo defeats black's pyhaelae antti in 58 moves | 1. c4 f5 2. d3 Nf6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. e4 O-O 7. Nge2 d6 8. O-O Nc6 9. Rb1 Bd7 10. b4 a6 11. Nd5 b5 12. Bg5 fxe4 13. Nec3 Nxd5 14. Bxd8 Nxc3 15. Qe1 Nxb1 16. Bxc7 Na3 17. Qc3 exd3 18. Qxa3 bxc4 19. b5 axb5 20. Qxd6 Be8 21. Bxc6 Bxc6 22. Qxc6 Rac8 23. Qe6+ Kh8 24. Bxe5 Rfd8 25. Rd1 b4 26. Kg2 h5 27. Qxg6 Bxe5 28. Qxh5+ Kg8 29. Qxe5 c3 |