| ECO A05 in 1956 play it! kolvig bent defeats black's nilsson mogens in 51 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 c5 4. O-O Bg7 5. c4 O-O 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 a6 9. b3 Ne4 10. Bxe4 Bxd4 11. Bb2 Bg7 12. Qd2 e6 13. Bg2 Qa5 14. a3 Nd4 15. b4 Qe5 16. Rab1 Qc7 17. e3 Nf5 18. Ne4 Qxc4 19. Bxg7 Kxg7 20. Qb2+ f6 21. Rbc1 Qb5 22. g4 Nh6 23. Nxf6 Rxf6 24. Rc5 Qb6 25. g5 Ng8 26. Rfc1 |
| ECO A05 in 1954 play it! kolvig bent defeats black's ditt egon in 83 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. b3 Re8 9. Qc2 c6 10. Rd1 e4 11. Ng5 d5 12. cxd5 cxd5 13. Nb5 h6 14. Nc7 hxg5 15. Nxa8 Re6 16. Qc7 Qe8 17. Bxg5 Rc6 18. Qa5 Nf8 19. Rac1 Ne6 20. Be3 a6 21. Nb6 Qd8 22. b4 Rxb6 23. Rxc8 Qxc8 24. Qxb6 Nd7 25. Qa5 Qc4 26. Rc1 Qb5 27. Rc8+ Kh7 28. Qxb5 axb5 29. Bh3 f5 30. Re8 Nef8 31. Re7 Kg8 32. g4 Bf6 33. Re8 Kf7 34. Rc8 f4 35. Bxf4 Bxd4 36. g5 Bb6 37. Bc7 Bd4 38. Bd6 Ne6 39. Kg2 Nb6 40. Rb8 Nxg5 41. Rxb7+ Kg8 42. e3 |
| ECO A05 in 1960 play it! kolvig bent defeats black's pietzsch wolfgan in 59 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 d5 8. Ne5 Qc8 9. cxd5 Nxd5 10. Nxd5 exd5 11. Qc2 Bd6 12. Bf4 Qe6 13. Rac1 Bxe5 14. Bxe5 Nc6 15. Rfe1 Nxe5 16. Qxc7 Nc6 17. Qxb7 Nxd4 18. e3 Nf5 19. Bxd5 Qf6 20. Red1 Nh6 21. Rd4 Rad8 22. Rcd1 a5 23. Rf4 Qxb2 24. Bxf7+ Kh8 25. Rxd8 Rxd8 26. Bd5 Qd2 27. e4 Qb4 28. Qc7 Re8 29. Qd7 Rb8 30. Kg2 |
| ECO A07 in 1962 play it! kolvig bent defeats black's purewzaw in 82 moves | 1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. O-O Nf6 5. d3 Be7 6. Nbd2 O-O 7. Nh4 Bg4 8. h3 Bh5 9. g4 Nfd7 10. Nhf3 Bg6 11. e4 f5 12. Nd4 Nc5 13. gxf5 exf5 14. exd5 Bf6 15. N2b3 Nxb3 16. Ne6 Nxa1 17. Nxd8 Rxd8 18. c3 c6 19. Bf4 cxd5 20. Qxa1 Nc6 21. d4 Bf7 22. Qb1 g6 23. Qd3 a6 24. Qg3 Re8 25. Bf3 Bg7 26. Qh4 h5 27. Kh2 Kh7 28. Rg1 Rg8 29. Qg5 Bf8 30. Qf6 Rg7 31. Bd6 Bxd6+ 32. Qxd6 Re8 33. Qf6 Reg8 34. h4 Kh8 35. b3 Kh7 36. c4 dxc4 37. d5 Nb4 38. bxc4 b5 39. Qb2 a5 40. a3 Na6 41. Qxb5 Nc5 |
| ECO A05 in 1977 play it! kolvig bent defeats black's bjerring kai in 63 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. b3 Bg7 5. Bb2 c5 6. c4 d4 7. b4 O-O 8. O-O Nfd7 9. d3 Nc6 10. bxc5 Nxc5 11. Nbd2 Re8 12. Nb3 Na4 13. Bxd4 Nxd4 14. Nfxd4 Nb2 15. Qc2 Bxd4 16. Nxd4 Qxd4 17. Rab1 Nxd3 18. Qxd3 Qxd3 19. exd3 Rb8 20. c5 b6 21. c6 Bf5 22. c7 Rbc8 23. Rfc1 e5 24. Rb3 e4 25. dxe4 Bxe4 26. Re3 f5 27. Bf1 Bb7 28. Rxe8+ Rxe8 29. Bb5 Rf8 30. Bc4+ Kg7 31. Rd1 Kf6 32. Rd8 |
| ECO A09 in 1956 play it! kolvig bent defeats black's cruusberg axel in 53 moves | 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c5 7. Qc2 dxc4 8. dxc5 Bxc5 9. Qxc4 Qd5 10. Qc2 Nc6 11. Nc3 Nb4 12. Qb1 Qh5 13. Bg5 Nbd5 14. Qc1 Nxc3 15. Qxc3 Ne4 16. Qe5 Bxf2+ 17. Rxf2 Nxf2 18. Kxf2 Re8 19. Rc1 Bd7 20. Bf4 Qg6 21. Nh4 Qf6 22. Bxb7 Qd8 23. Bxa8 Qxa8 24. Rc7 f6 25. Qd4 Bb5 26. Bh6 Qh1 27. Rxg7+ |
| ECO A22 in 1978 play it! kolvig bent defeats black's borisova borisla in 55 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 O-O 6. Nh3 d6 7. d3 Nbd7 8. O-O Rb8 9. f4 b6 10. e4 Nc5 11. f5 c6 12. g4 h6 13. g5 hxg5 14. Bxg5 d5 15. cxd5 cxd5 16. exd5 Ba6 17. Nf2 Qd6 18. c4 b5 19. d4 exd4 20. Ng4 Nxg4 21. Qxg4 Nd3 22. f6 Bc8 23. Qh4 Qe5 24. Be4 Qxe4 25. Qxe4 bxc4 26. fxg7 Kxg7 27. Bf6+ Kg8 28. Qh4 |
| ECO A15 in 1977 play it! kolvig bent defeats black's norby peter in 81 moves | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. b3 dxc4 5. bxc4 Qd4 6. Qa4+ Bd7 7. Qb3 Nc6 8. Bb2 Qc5 9. Na3 Ng4 10. e3 Rb8 11. Ne2 a6 12. O-O Na5 13. Qc3 b6 14. Rab1 Nc6 15. d4 Qg5 16. d5 Nb4 17. Nc2 Nxc2 18. Qxc2 e5 19. h3 Nf6 20. Qc3 Bd6 21. Ba3 Bf5 22. c5 Be7 23. d6 Bxb1 24. Bc6+ Nd7 25. Bxd7+ Kxd7 26. c6+ Ke6 27. f4 exf4 28. Qc4+ Kf6 29. Rxf4+ Bf5 30. dxe7 Kg6 31. Kh2 Be6 32. Qc2+ Bf5 33. Rxf5 Qxf5 34. Nf4+ Kf6 35. Bb2+ Qe5 36. Nh5+ Ke6 37. Nxg7+ Qxg7 38. Bxg7 Rhe8 39. Qe4+ Kd6 40. Be5+ Kxe7 41. Bxc7+ |
| ECO A15 in 1967 play it! kolvig bent defeats black's drew m in 67 moves | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d6 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c5 8. d5 b5 9. e4 bxc4 10. h3 Rb8 11. Re1 Nb6 12. a4 a5 13. Bd2 c3 14. Bxc3 Ra8 15. Na3 Bd7 16. b3 Qc8 17. Kh2 Rd8 18. Nd2 Qc7 19. Ndc4 Nxc4 20. Nxc4 Ra7 21. e5 Ne8 22. f4 Rb8 23. Re3 Bh6 24. Rf1 Bf5 25. Qd1 Bd7 26. Be4 Bg7 27. g4 Ra6 28. Kh1 Rd8 29. Qd2 Rda8 30. Bg2 Kh8 31. f5 Kg8 32. e6 fxe6 33. fxe6 Bc8 34. Qf2 |
| ECO A17 in 1966 play it! kolvig bent defeats black's nielsen jorgen g in 53 moves | 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 Nc6 6. Bg2 Bf5 7. Nf3 Ne4 8. O-O Qd7 9. Be3 Nxc3 10. bxc3 Bd6 11. c4 dxc4 12. d5 Ne5 13. Nxe5 Bxe5 14. Bd4 Bxd4 15. Qxd4 O-O 16. Qxc4 Rac8 17. Rfd1 Rfe8 18. Bf3 Re7 19. Rac1 Rce8 20. Rd4 Qd6 21. Qc5 b6 22. Qc3 Rc8 23. Rc4 Qd8 24. h4 Kf8 25. e4 Bd7 26. d6 Re5 27. Qxe5 |
| ECO A15 in 1983 play it! kolvig bent defeats black's olafsson hannes in 69 moves | 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 c5 6. d5 e6 7. Be2 exd5 8. cxd5 b5 9. e5 Ng4 10. Bg5 Qb6 11. a4 Nxe5 12. O-O d6 13. Nxe5 Bxe5 14. a5 Qb7 15. Nxb5 a6 16. f4 Bxb2 17. Nxd6 Qc7 18. Nc4 Bd4+ 19. Kh1 Bf5 20. Bf3 Nd7 21. Rc1 Rae8 22. d6 Qb8 23. Bc6 Qb4 24. Be7 Rb8 25. Qf3 Rfc8 26. g4 Be6 27. f5 Bxc4 28. Bxd7 Rd8 29. Bc6 Bxf1 30. Rxf1 Qc3 31. fxg6 Qxf3+ 32. Rxf3 f6 33. Rb3 Be5 34. d7 f5 35. Rxb8 |
| ECO A22 in 1960 play it! kolvig bent defeats black's petersen finn in 81 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 e4 5. Nd2 Bf5 6. e3 c6 7. Be2 d5 8. f3 exf3 9. Bxf3 Qd7 10. O-O Be7 11. e4 dxe4 12. Ndxe4 O-O 13. Bf4 Nxe4 14. Nxe4 Rd8 15. d5 cxd5 16. cxd5 Qb5 17. Qd2 Na6 18. Kh1 Rd7 19. Rad1 Rad8 20. Nc3 Qa5 21. a3 Bd6 22. Bxd6 Rxd6 23. Qf4 Bg6 24. b4 Qb6 25. Be4 R8d7 26. Bf5 Bxf5 27. Qxf5 Qd8 28. Ne4 Rg6 29. d6 b6 30. Rd5 h6 31. Re5 Nb8 32. Rc1 Kh7 33. g3 a6 34. h4 Kg8 35. h5 Re6 36. Rxe6 fxe6 37. Qxe6+ Kh8 38. a4 b5 39. Re1 Qf8 40. Kg2 Rf7 41. axb5 |
| ECO A00 in 1960 play it! kolvig bent defeats black's johansson jan sv in 55 moves | 1. g3 d5 2. Bg2 g6 3. f4 Bg7 4. Nf3 Nh6 5. O-O Nf5 6. d3 d4 7. c3 c5 8. e4 dxe3 9. Na3 Nc6 10. Nc4 O-O 11. Nxe3 Rb8 12. Ng5 e5 13. Qb3 Nce7 14. fxe5 h6 15. Ne4 Bxe5 16. Ng4 Bg7 17. Nxc5 Nd4 18. Qd1 Qb6 19. Na4 Bxg4 20. Qxg4 Qa5 21. Qd1 Ne6 22. d4 Rfd8 23. b4 Qc7 24. Nc5 g5 25. Qb3 Qd6 26. Nxb7 Qa6 27. Nxd8 Rxd8 28. Kh1 |
| ECO B27 in 1962 play it! kolvig bent defeats black's andersen borge in 51 moves | 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. f3 a6 8. Qd2 O-O 9. O-O-O b5 10. Bh6 Qa5 11. Bxg7 Kxg7 12. a3 Be6 13. h4 h5 14. Bd3 Rc8 15. e5 dxe5 16. Nxe6+ fxe6 17. Qg5 Rxc3 18. Qxg6+ Kf8 19. Qh6+ Kg8 20. Rh3 Rxd3 21. Rxd3 Kf7 22. b4 Qb6 23. Rg3 Qg1+ 24. Kb2 Nbd7 25. Qg6+ Kf8 26. Rxd7 |
| ECO B50 in 1960 play it! kolvig bent defeats black's nielsen hartvig in 43 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. g3 e5 6. Bg2 Be7 7. O-O O-O 8. Na3 d5 9. exd5 Nxd5 10. Re1 Bf6 11. Nc4 Bg4 12. h3 Bxf3 13. Qxf3 Nb6 14. Be3 Nd7 15. Nd6 Rb8 16. Rab1 Qc7 17. Nxb7 Rxb7 18. Qxc6 Rfb8 19. Red1 Be7 20. d4 cxd4 21. cxd4 exd4 22. Bf4 |
| ECO B33 in 1954 play it! kolvig bent defeats black's andersen henrik in 75 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 h6 10. Bh4 Qa5 11. Nb3 Qh5 12. Bf2 e5 13. f5 Ng4 14. Kb1 Nxf2 15. Qxf2 f6 16. Bc4+ Kh8 17. Rd3 Bd7 18. Nb5 Nb4 19. Rh3 Qg5 20. a3 d5 21. Be2 a6 22. Nc3 d4 23. Rh5 Qf4 24. Bf3 Nxc2 25. Nd5 Qe3 26. Nxe3 Nxe3 27. Rc1 Rac8 28. Be2 Ba4 29. Rxc8 Rxc8 30. Na1 Bc5 31. Bd3 Nd1 32. Qd2 Bxa3 33. Rxh6+ Kg8 34. Qa5 gxh6 35. Qxa4 Bxb2 36. Qxd1 Rc1+ 37. Qxc1 Bxc1 38. Kxc1 |
| ECO B71 in 1954 play it! kolvig bent defeats black's auchenberg e in 31 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 Nh5 8. Bb5+ Kf8 9. O-O f5 10. Be3 e6 11. exd6 Qxd6 12. Nxe6+ Qxe6 13. Bc5+ Kg8 14. Bc4 Qxc4 15. Qd8+ Kf7 16. Qe7+ |
| ECO B28 in 1956 play it! kolvig bent defeats black's enevoldsen haral in 61 moves | 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 e6 7. O-O d6 8. Qe2 Be7 9. Rd1 Qc7 10. Bf4 Nf6 11. Rac1 O-O 12. Bb3 e5 13. Nd5 Qa5 14. Rxc6 Nxd5 15. Rxd5 Qd8 16. Rcxd6 Bxd6 17. Bxe5 Bg4 18. Bxd6 Re8 19. Qd3 Rc8 20. h3 Be6 21. Ng5 Rc1+ 22. Kh2 Qf6 23. Nxe6 fxe6 24. Rf5 Qg6 25. Qe3 Rc6 26. Rg5 Qf7 27. Be5 g6 28. f4 h6 29. Rg3 Kh7 30. f5 g5 31. fxe6 |
| ECO C83 in 1962 play it! kolvig bent defeats black's martins poul in 47 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4 11. Nd4 Nxd4 12. cxd4 f5 13. f3 Ng5 14. Bxg5 Bxg5 15. f4 Be7 16. Nd2 O-O 17. Rc1 c5 18. dxc5 Rc8 19. Nf3 Bxc5+ 20. Kh1 Qd7 21. Qd3 d4 22. Ng5 Bxb3 23. Qxb3+ Kh8 24. Ne6 |
| ECO C47 in 1956 play it! kolvig bent defeats black's tornerup john in 41 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. exd5 Nxd5 6. Nxe5 Nxe5 7. Qe2 Bd6 8. Nxd5 O-O 9. d4 Bg4 10. f3 Re8 11. dxe5 Rxe5 12. Ne3 Bc5 13. Bd2 Qh4+ 14. g3 Qe7 15. fxg4 Rd8 16. O-O-O Rxd2 17. Rxd2 Rxe3 18. Qd1 g6 19. Bc4 Re4 20. Bd5 Bxa3 21. Rd4 |