[Event "E4!: E4 opening if both sides play perfectly"] [Site "https://lichess.org/study/yiYgHyVK/ViKl87Rv"] [Date "2023.09.29"] [White "?"] [Black "?"] [Result "*"] [UTCDate "2023.02.10"] [UTCTime "14:39:40"] [WhiteElo "?"] [BlackElo "?"] [Variant "From Position"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Unterminated"] [FEN "rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1... e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 d6 7. Bg5 Bg4 8. Nbd2 Qd7? { (0.39 → 1.58) Mistake. h6 was best. } (8... h6 9. Bh4 g5 10. Bg3 a6 11. h3 Bh5 12. Re1 Ba7 13. a4) 9. Qc2? { (1.58 → 0.11) Mistake. h3 was best. } (9. h3) 9... Rfe8?! { (0.11 → 0.72) Inaccuracy. Nh5 was best. } (9... Nh5) 10. Rfe1 Rad8?! { (0.40 → 1.34) Inaccuracy. Nh5 was best. } (10... Nh5 11. b4 Bb6 12. h3 Be6 13. Nh2 f6 14. Bxe6+ Rxe6 15. Be3 Bxe3 16. fxe3 g6 17. Re2) 11. Rad1?! { (1.34 → 0.62) Inaccuracy. b4 was best. } (11. b4 Bb6 12. a4 a5 13. Bxf6 gxf6 14. Bb5 Kh8 15. bxa5 Bxa5 16. Nh4 Rg8 17. Nc4 Ra8) 11... a6 12. d4?! { (0.66 → -0.43) Inaccuracy. b4 was best. } (12. b4 Ba7 13. a4 Ne7 14. d4 exd4 15. h3 Bh5 16. cxd4 d5 17. exd5 Nexd5 18. Bxd5 Qxd5) 12... exd4 13. cxd4?! { (-0.19 → -0.96) Inaccuracy. Bxf6 was best. } (13. Bxf6 gxf6 14. Bd5 dxc3 15. Qxc3 Ne5 16. h3 Bh5 17. b4 Ba7 18. Nxe5 dxe5 19. g4 Bg6) 13... Nxd4 14. Nxd4? { (-0.82 → -2.55) Mistake. Qc3 was best. } (14. Qc3 b5 15. Bxf6 gxf6 16. Bb3 b4 17. Qd3 Nxb3 18. Nxb3 Qb5 19. Nxc5 dxc5 20. Qxd8 Rxd8) 14... Bxd4?! { (-2.55 → -1.87) Inaccuracy. Bxd1 was best. } (14... Bxd1 15. Rxd1) *