[Event "Denver Open 2023"] [Site "https://lichess.org/study/d4KvBiRa/HTEWpPen"] [Date "7/23/23"] [Round "4"] [White "BURKHARDT"] [Black "CASE"] [Result "1-0"] [WhiteElo "1501"] [BlackElo "1234"] [TimeControl "90+30"] [Board "61"] [Variant "Standard"] [ECO "C41"] [Opening "Philidor Defense: Exchange Variation"] [Annotator "https://lichess.org/@/cristoper"] [Source "https://lichess.org/study/d4KvBiRa/HTEWpPen"] [Orientation "white"] 1. e4 { [%eval 0.36] } 1... e5 { [%eval 0.35] } 2. Nf3 { [%eval 0.29] } 2... d6 { [%eval 0.64] } 3. d4 { [%eval 0.44] } 3... exd4 { [%eval 0.8] } 4. Nxd4 { [%eval 0.52] } 4... Nf6 { [%eval 0.91] } 5. Bd3 { [%eval 0.49] } 5... Be7 { [%eval 0.44] } 6. O-O { [%eval 0.74] } 6... O-O { [%eval 0.65] } 7. Nc3 { [%eval 0.5] } 7... c5 { [%eval 0.86] } 8. Nf5?! { [%eval 0.0] } { Inaccuracy. Nde2 was best. } (8. Nde2 Nc6 9. Nf4 Be6 10. Re1 a6 11. a4 Nd7 12. Be2 Bf6) 8... Bxf5 { [%eval 0.02] } 9. exf5 { [%eval 0.0] } 9... Nc6 { [%eval 0.3] } 10. Ne4? { [%eval -0.89] } 10... Nd4? { [%eval 0.53] } { Mistake. d5 was best. } (10... d5) 11. c3?! { [%eval -0.02] } { Inaccuracy. Nxf6+ was best. } (11. Nxf6+ Bxf6 12. c3 Nc6 13. Be4 h6 14. Bd5 a5 15. a4 Ne7 16. Bxb7 Ra7 17. Bf3 d5) 11... Nc6 { [%eval 0.34] } 12. Nxf6+ { [%eval 0.3] } 12... Bxf6 { [%eval 0.48] } 13. Be4 { [%eval 0.51] } 13... Qb6 { [%eval 0.76] } 14. Qxd6 { [%eval 0.24] } { I thought black had just dropped the d pawn, but they ended up getting significant compensation in the form of activity. } 14... Rad8 { [%eval 0.31] } 15. Qg3 { [%eval 0.26] } 15... Rfe8 { [%eval 0.22] } 16. Bc2 { [%eval 0.33] } 16... Re2 { [%eval 0.31] } 17. Bd1 { [%eval 0.31] } { I don't like having both of my bishops on the back rank separating my rooks, but I foresaw this before I played 16.Bc2 and didn't see any immediate threats available to black. } 17... Rxb2?! { [%eval 2.5] } { My opponent spent a long time on this move, so I eventually figured out that he must be considering this exchange sacrifice! } 18. Bxb2 { [%eval 2.78] } 18... Qxb2 { [%eval 2.47] } 19. Bb3 { [%eval 2.58] } { Black cannot take the c pawn with their bishop or I will chase the queen away and then take the bishop with my queen. } 19... Qe2? { [%eval 4.55] } { Mistake. Be5 was best. } (19... Bxc3 20. Rab1 Qd2 (20... Qa3 21. Qxc3) 21. Rfd1 { (Important to notice my bishop is guarding d1 here) }) 20. Rfe1 { [%eval 4.31] } 20... Qh5 { [%eval 4.82] } 21. Qc7 { [%eval 4.21] } { Threatening b7 but also back rank tactics. } 21... Bxc3?? { [%eval #2] } { The fork was tempting, but he missed the back rank issues. } { [%cal Gc3a1,Gc3e1] } 22. Qxd8+ { [%eval #1] } { My opponent resigned here (22... Nxd8 23. Re8#) } 1-0