[Event "jorge1999's Study: Chapter 1"] [Site "https://lichess.org/study/t3s4gsv7"] [Date "2019.03.01"] [White "?"] [Black "?"] [Result "*"] [UTCDate "2019.03.01"] [UTCTime "15:38:12"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A30"] [Opening "English Opening: Symmetrical Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. c4 c5 { A30 English Opening: Symmetrical Variation } 2. g3 f5?! { (0.00 → 0.95) Inaccuracy. g6 was best. } (2... g6 3. Bg2 Nc6 4. Nc3 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2) 3. Bg2 Nc6 4. Nc3 e6 5. Nf3 Bd6?! { (0.95 → 1.63) Inaccuracy. e5 was best. } (5... e5 6. d3 Be7 7. b3 Nf6 8. Bb2 d6 9. O-O O-O 10. e3 Bd7 11. a3 h6 12. Nd2) 6. O-O?! { (1.63 → 1.00) Inaccuracy. d4 was best. } (6. d4 cxd4 7. Nxd4 Bb8 8. O-O Nge7 9. Qd2 O-O 10. Ndb5 Ne5 11. b3 Nf7 12. Ba3 a6) 6... Nf6 7. d3 Nd4? { (0.75 → 2.22) Mistake. O-O was best. } (7... O-O 8. d4 Ne4 9. Nb5 Bb8 10. dxc5 Nxc5 11. Bf4 Bxf4 12. gxf4 Qf6 13. b3 Rb8 14. Nd6) 8. e4 Nxf3+ 9. Qxf3 O-O 10. e5?? { (2.12 → -0.48) Blunder. exf5 was best. } (10. exf5) *