[Event "USCF 1983 Absolute ch"] [Site "corr USA"] [Date "1984.??.??"] [White "Jacobs, Robert Merton"] [Black "Sproule, Ray"] [Result "0-1"] [Variant "Standard"] [ECO "C15"] [Opening "French Defense: Winawer Variation, Delayed Exchange Variation"] [StudyName "Chess is in the Mail - April 2025"] [ChapterName "Game 3"] [ChapterURL "https://lichess.org/study/kN4f8zWU/0o8UkkA0"] [Annotator "https://lichess.org/@/jkfrench"] [Orientation "white"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Ne2 Qe7 $146 { Predecessor: } (5... Nf6 6. a3 Be7 7. Nf4 O-O 8. Bd3 Bg4 9. f3 Bh5 10. Ncxd5 Nxd5 11. Nxh5 Bg5 12. O-O Ne3 13. Bxe3 Bxe3+ { 0-1 Roos,L (2375)-Dolmatov,S (2550) WchT U26 04th Chicago 1983 (8) }) 6. Be3 { C01: French: Exchange Variation. } 6... Nf6 7. a3 Ba5 8. b4 { The position is equal. } 8... Bb6 9. Nf4 c6 10. Be2 { Wards off Nf6-g4 } 10... Bf5 (10... O-O) 11. O-O (11. g4 Bg6 12. h4) 11... O-O 12. Re1 Nbd7 13. g4 Bg6 14. Nxg6 hxg6 15. Bf4 { Against Bb6-c7 } 15... Ne4 16. Nxe4 Qxe4 17. Be3 Qe7 18. Qd2 Nf6 19. f3 { Prevents Nf6-e4. } 19... Rfe8 20. Bg5 Qd7 21. c3 Bc7 22. Bd3 Qd6 23. Bh4 Qf4 24. Qf2 (24. Qxf4 Bxf4 25. Bf2 Rxe1+ 26. Bxe1 Re8) 24... Rxe1+ 25. Rxe1 { aiming for Bh4-g3. } 25... Re8 26. Rxe8+ Nxe8 27. Bg3 Qc1+ 28. Qe1 Bf4 (28... Qxe1+ { simplifies } 29. Bxe1 Bf4 30. h4 Kf8) 29. Bf1 (29. Kf2 Bxg3+ 30. hxg3 Qxe1+ 31. Kxe1) 29... Be3+ $15 30. Kh1 (30. Kg2 $15) 30... b5 $17 31. h4 Kf8 32. Bf2 Bd2 { Black is much more active. } 33. Qxc1 Bxc1 { Endgame KBB-KBN } 34. Be1 { Inhibits Bc1-d2. } 34... Bxa3 35. Bd2 { Prevents Ba3-c1. } 35... Nd6 36. Kg2 Nb7 37. Kf2 a5 38. c4? { This costs White the game. } 38... Bxb4 $19 (38... bxc4 39. bxa5 Nd6 40. a6 $15) 39. Bxb4+ axb4 40. cxb5 cxb5 41. Bxb5? { KB-KN. Black is a pawn up. } (41. Ke2 { was worth a try. }) 41... b3 { Black is clearly winning. } 42. Ke2 b2 43. Bd3 Nd6 44. Kd2 Nb5! { ...Nb5-a3 would now be deadly. Deflection, Promotion } 45. Kc2 Nxd4+ 46. Kxb2 Nxf3 { Weighted Error Value: White=0.28 (precise) /Black=0.09 (flawless) Loses game: White=1 --- Mistake: White=4 Black=1 Inaccurate: White=4 Black=4 OK: White=14 Black=19 Best: White=3 Black=1 } 0-1