[Event "CHESS ZONE MARCH MELEE"] [Date "03.22.2025"] [Round "4"] [White "Guhan Kosalai"] [Black "Alyssa Sullivan"] [Result "0-1"] [WhiteElo "910"] [BlackElo "974"] [TimeControl "30/5"] [Variant "Standard"] [ECO "D40"] [Opening "Queen's Gambit Declined: Semi-Tarrasch Defense"] [StudyName "CZN: March 2025"] [ChapterName "Kosalai vs Sullivan"] [ChapterURL "https://lichess.org/study/beQPWIvY/coXGS9nR"] [Annotator "https://lichess.org/@/stingo1964"] [Orientation "white"] 1. d4 { [%eval 0.17] } 1... d5 { [%eval 0.2] } 2. c4 { [%eval 0.26] } 2... e6 { [%eval 0.27] } 3. Nc3 { [%eval 0.18] } 3... Nf6 { [%eval 0.24] } 4. Nf3 { [%eval 0.1] } 4... c5 { [%eval 0.11] } 5. Be3 { [%eval -0.05] } 5... cxd4 { [%eval -0.09] } 6. Bxd4 { [%eval -0.07] } 6... Bb4 { [%eval 0.4] } 7. e3 { [%eval 0.04] } 7... Nc6 { [%eval 0.02] } 8. Qb3 { [%eval -0.22] } 8... O-O { [%eval -0.18] } 9. a3 { [%eval -0.62] } 9... Ba5 { [%eval -0.21] } 10. Bd3 { [%eval -0.62] } 10... Nxd4 { [%eval -0.72] } 11. Nxd4?? { [%eval -3.48] } { Blunder. exd4 was best. } (11. exd4 dxc4) 11... e5 { [%eval -3.44] } 12. O-O?! { [%eval -4.64] } { Inaccuracy. Ne2 was best. } (12. Ne2 d4 13. O-O-O dxc3 14. Bxh7+ Nxh7 15. Rxd8 cxb2+ 16. Kxb2 Bxd8 17. Nc3 Be6) 12... exd4 { [%eval -4.76] } 13. Nxd5 { [%eval -4.67] } 13... Nxd5 { [%eval -4.7] } 14. cxd5 { [%eval -4.73] } 14... dxe3 { [%eval -4.83] } 15. fxe3 { [%eval -4.84] } 15... Qg5 { [%eval -4.63] } 16. Bc2 { [%eval -4.78] } 16... Bh3 { [%eval -4.73] } 17. Rf2 { [%eval -4.91] } 17... Bb6 { [%eval -4.91] } 18. Re1 { [%eval -5.57] } 18... Rae8 { [%eval -5.52] } 19. Qd3 { [%eval -5.72] } 19... g6 { [%eval -5.73] } 20. Rfe2?! { [%eval -8.38] } { Inaccuracy. Kh1 was best. } (20. Kh1 Rxe3 21. Rxe3 Bxe3 22. Re2 Bb6 23. Qg3 Qxg3 24. hxg3 Bg4 25. Re4 h5) 20... Rxe3 { [%eval -7.94] } 0-1