[Event "ACM 1973"] [Site "Atlanta USA"] [Date "1973.08.28"] [Round "4"] [White "CHAOS"] [Black "Chess 4.0"] [Result "0-1"] [GameId "kVgFAOTq"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.27] } 1... d5 { [%eval 0.27] } 2. c4 { [%eval 0.29] } 2... dxc4 { [%eval 0.35] } 3. Nf3 { [%eval 0.3] } 3... Nf6 { [%eval 0.3] } 4. e3 { [%eval 0.29] } 4... e6 { [%eval 0.26] } 5. Bxc4 { [%eval 0.18] } 5... c5 { [%eval 0.23] } 6. O-O { [%eval 0.26] } 6... a6 { [%eval 0.21] } 7. Qe2 { [%eval 0.07] } 7... b5 { [%eval 0.19] } 8. Bb3 { [%eval 0.0] } 8... Bb7 { [%eval -0.1] } 9. Nc3 { [%eval -0.14] } 9... Nbd7 { [%eval -0.08] } 10. Bd2 { [%eval -0.2] } 10... Bd6 { [%eval -0.23] } 11. Rfe1 { [%eval -0.4] } 11... cxd4 { [%eval -0.02] } 12. exd4 { [%eval -0.17] } 12... O-O { [%eval -0.21] } 13. Bg5 { [%eval -0.24] } 13... Qb6 { [%eval -0.17] } 14. Bc2 { [%eval -0.48] } 14... Bxf3 { [%eval -0.33] } 15. Qxf3 { [%eval -0.62] } 15... Qxd4 { [%eval -0.66] } 16. Rad1 { [%eval -0.79] } 16... Qb4? { (-0.79 → 0.65) Mistake. Qc5 was best. } { [%eval 0.65] } (16... Qc5 17. Ne4 Qxc2 18. Rxd6 Nxe4 19. Qxe4 Qxe4 20. Rxe4 Nc5 21. Re2 h6 22. Be3 Ne4 23. Rd1) 17. g3?? { (0.65 → -1.20) Blunder. Re2 was best. } { [%eval -1.2] } (17. Re2 Rac8) 17... Qxb2 { [%eval -1.23] } 18. Re2 { [%eval -1.36] } 18... Qa3 { [%eval -1.07] } 19. Qc6 { [%eval -1.6] } 19... Bb4? { (-1.60 → -0.34) Mistake. Be7 was best. } { [%eval -0.34] } (19... Be7 20. Bc1) 20. Rxd7? { (-0.34 → -1.67) Mistake. Nb1 was best. } { [%eval -1.67] } (20. Nb1 Qa5 21. a3 Bxa3 22. Nxa3 Qxa3 23. Rxd7 Nxd7 24. Qxd7 Qc3 25. Qd1 Rac8 26. Qb1 h6) 20... Rac8 { [%eval -1.63] } 21. Rc7 { [%eval -1.65] } 21... Rxc7 { [%eval -1.54] } 22. Qxc7 { [%eval -1.52] } 22... Qxc3 { [%eval -1.51] } 23. Qb7 { [%eval -2.1] } 23... Qc4?! { (-2.10 → -1.46) Inaccuracy. Nd5 was best. } { [%eval -1.46] } (23... Nd5 24. Be4 Qc4 25. Bf3 h6 26. Be3 a5 27. Kg2 Bc3 28. Qd7 a4 29. Bc1 Ba5 30. Bb2) 24. Bd1?? { (-1.46 → -6.36) Blunder. Qf3 was best. } { [%eval -6.36] } (24. Qf3 Nd5 25. Bb3 Qc6 26. Rc2 Qd6 27. Qd3 h6 28. Bxd5 exd5 29. Be3 Qe6 30. Rc1 Rd8) 24... Rd8?! { (-6.36 → -4.22) Inaccuracy. Qd3 was best. } { [%eval -4.22] } (24... Qd3) 25. Re5?? { (-4.22 → Mate in 10) Checkmate is now unavoidable. Bd2 was best. } { [%eval #-10] } (25. Bd2 h6 26. Bxb4 Rxd1+ 27. Re1 Rxe1+ 28. Bxe1 Qxa2 29. Qe7 Qb1 30. Qb4 Qxb4 31. Bxb4 Nd5) 25... Rxd1+ { [%eval #-9] } 26. Kg2 { [%eval #-9] } 26... Qf1+ { [%eval #-8] } 27. Kf3 { [%eval #-8] } 27... Qh1+ { [%eval #-7] } 28. Ke2 { [%eval #-4] } 28... Re1+ { [%eval #-3] } 29. Kd3 { [%eval #-3] } 29... Qf1+ { [%eval #-2] } 30. Kd4 { [%eval #-1] } 30... Qc4# { Black wins by checkmate. } 0-1