[Event "IBM-B"] [Site "Amsterdam"] [Date "1980.??.??"] [Round "?"] [White "Rogoff, Kenneth"] [Black "Van Wijgerden, Cor"] [Result "1/2-1/2"] [GameId "rjZQodXD"] [WhiteElo "2520"] [BlackElo "2435"] [Variant "Standard"] [TimeControl "-"] [ECO "A42"] [Opening "Modern Defense: Randspringer Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.36] } 1... g6 { [%eval 0.71] } 2. d4 { [%eval 0.68] } 2... Bg7 { [%eval 0.73] } 3. c4 { [%eval 0.64] } 3... d6 { [%eval 0.63] } 4. Nc3 { [%eval 0.43] } 4... f5?! { (0.43 → 1.40) Inaccuracy. Nf6 was best. } { [%eval 1.4] } { A42 Modern Defense: Randspringer Variation } (4... Nf6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3) 5. exf5 { [%eval 1.41] } 5... Bxf5 { [%eval 0.95] } 6. Nf3 { [%eval 0.83] } 6... Nh6?! { (0.83 → 1.63) Inaccuracy. c5 was best. } { [%eval 1.63] } (6... c5 7. Be2 Nc6 8. d5 Nd4 9. O-O Nxf3+ 10. Bxf3 Nh6 11. Bxh6) 7. Be2 { [%eval 1.26] } 7... O-O { [%eval 1.31] } 8. O-O { [%eval 0.95] } 8... Na6 { [%eval 1.04] } 9. Bg5 { [%eval 0.89] } 9... Qd7 { [%eval 1.06] } 10. Qd2 { [%eval 1.07] } 10... Nf7 { [%eval 1.1] } 11. Be3 { [%eval 1.17] } 11... Rae8 { [%eval 1.19] } 12. Rad1 { [%eval 1.16] } 12... Qc8 { [%eval 1.19] } 13. a3 { [%eval 1.24] } 13... e5 { [%eval 1.18] } 14. dxe5 { [%eval 1.19] } 14... Nxe5 { [%eval 1.21] } 15. Nxe5 { [%eval 1.4] } 15... Bxe5 { [%eval 1.2] } 16. b4 { [%eval 1.26] } 16... Nb8 { [%eval 1.71] } 17. Rfe1 { [%eval 1.79] } 17... Nc6 { [%eval 1.84] } 18. Bf1?! { (1.84 → 1.13) Inaccuracy. c5 was best. } { [%eval 1.13] } (18. c5 Bg4) 18... Bg7 { [%eval 1.11] } 19. Bh6 { [%eval 0.92] } 19... Qd7 { [%eval 1.08] } 20. Bxg7 { [%eval 1.28] } 20... Qxg7 { [%eval 0.88] } 21. Nd5 { [%eval 0.83] } 21... Be6 { [%eval 0.7] } 22. Rc1 { [%eval 0.55] } 22... Qf7 { [%eval 0.97] } 23. Re3 { [%eval 0.51] } { The game is a draw. } 1/2-1/2