[Event "Eric Rosen: Chapter 1"] [Date "2022.06.10"] [Result "*"] [Variant "Standard"] [ECO "C42"] [Opening "Petrov's Defense: Stafford Gambit"] [StudyName "Eric Rosen"] [ChapterName "Chapter 1"] [ChapterURL "https://lichess.org/study/jaZFCHyr/vE6TdK8b"] [Annotator "https://lichess.org/@/Henry-Yip"] [UTCDate "2022.06.10"] [UTCTime "09:37:48"] [Orientation "white"] 1. e4 { [%eval 0.33] } 1... e5 { [%eval 0.12] } 2. Nf3 { [%eval 0.19] } 2... Nf6 { [%eval 0.5] } 3. Nxe5 { [%eval 0.34] } 3... Nc6? { [%eval 1.4] } { Mistake. d6 was best. } (3... d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4) 4. Nxc6 { [%eval 2.3] } 4... dxc6 { [%eval 2.53] } 5. d3 { [%eval 1.68] } 5... Bc5 { [%eval 1.8] } 6. Be2 { [%eval 1.51] } 6... h5?! { [%eval 2.66] } { Inaccuracy. Ng4 was best. } (6... Ng4 7. Bxg4 Qh4 8. O-O Bxg4 9. Qd2 O-O-O 10. Qg5 Qxg5 11. Bxg5) 7. c3 { [%eval 2.95] } 7... Ng4?! { [%eval 4.62] } { Inaccuracy. a6 was best. } (7... a6 8. Qc2 Qe7 9. Bg5 Qe6 10. Nd2 Nh7 11. Bh4 Bd6 12. Nc4) 8. d4 { [%eval 2.69] } 8... Qh4?! { [%eval 3.51] } { Inaccuracy. Bd6 was best. } (8... Bd6) 9. g3 { [%eval 3.71] } 9... Qf6 { [%eval 3.76] } 10. Bf3 { [%eval 3.51] } 10... Bd7?! { [%eval 4.87] } { Inaccuracy. Be7 was best. } (10... Be7 11. h3 Nh6 12. Bf4 h4 13. Bxc7 hxg3 14. Bxg3 Qe6 15. Qb3 f5 16. Nd2 O-O 17. Be2) 11. dxc5?! { [%eval 3.81] } { Inaccuracy. h3 was best. } (11. h3 O-O-O 12. Nd2 Qg6 13. hxg4 hxg4 14. Rxh8 Rxh8 15. Be2 Rh1+ 16. Nf1 Qxe4 17. Be3 Be7) 11... O-O-O { [%eval 3.45] } 12. Qe2?? { [%eval -2.48] } { Blunder. Nd2 was best. } (12. Nd2) 12... Ne5 { [%eval -2.37] } 13. Bf4?? { [%eval -4.95] } { Blunder. Nd2 was best. } (13. Nd2 Bh3 { [%cal Ge1d1] } 14. Nc4 (14. a4) (14. b4 Nd3+ 15. Kd1 Qxc3) (14. Rb1 g5 { [%cal Ga2a4] } 15. a4 g4) 14... Nxc4) (13. a4) (13. Bg2 Bg4 14. f3 Nd3+ 15. Kd1 (15. Kf1 Nxc1 16. Qe3) 15... Nf4+) 13... Nxf3+ { [%eval -5.02] } 14. Kd1?! { [%eval -7.52] } { Inaccuracy. Qxf3 was best. } (14. Qxf3 Bg4 15. Qxg4+ hxg4 16. Nd2 Qe6 17. Be3 Rd7 18. a3 Rhd8 19. O-O-O b5 20. Rde1 a5) 14... Bg4+ { [%eval -6.76] } 15. Kc1 { [%eval -7.4] } 15... Nd4? { [%eval -3.65] } { Mistake. g5 was best. } (15... g5 16. Be3 Ne5 17. f3 Bxf3 18. Qf1 Qg6 19. Bd4 Bxh1 20. Qxh1 Rhe8 21. Nd2 g4 22. Bxe5) 16. Qxg4+?? { [%eval -8.85] } { Blunder. Qe3 was best. } (16. Qe3 Nf3) 16... hxg4 { [%eval -8.93] } 17. cxd4 { [%eval -9.15] } 17... Qxd4 { [%eval -8.68] } 18. Nc3 { [%eval -11.48] } 18... Qxf2 { [%eval -12.17] } 19. a4 { [%eval -12.93] } 19... Rxh2 { [%eval -9.04] } 20. Rxh2 { [%eval -8.52] } 20... Qxh2 { [%eval -8.88] } 21. Ra3 { [%eval -9.18] } 21... Qg1+ { [%eval -9.66] } 22. Kc2 { [%eval -9.19] } 22... Qxc5 { [%eval -9.31] } *