[Event "2024 John W. Collins Postal Quads Section 24C02"] [Date "2024.??.??"] [White "Whitlock, Greg"] [Black "Leisner, Jon"] [Result "0-1"] [Annotator "Tactical Analysis 7.0"] [GameId "2206877905592443"] [Variant "Standard"] [ECO "A29"] [Opening "English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6"] [StudyName "Check is in the Mail - September 2025"] [ChapterName "Game 2"] [ChapterURL "https://lichess.org/study/Jl5sWU28/RAlj240t"] [Orientation "white"] 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6 11. d3 a5 { has lost popularity (11...Qd8-d7). } 12. b5 Nd4 13. Nd2 Qc8! { A29: English Opening: Four Knights Variation with 4 g3. } 14. e3 Nf5 15. a4 Bb4 { The position is equal. } 16. Bb2 Rd8 17. Qc2 Ne7 18. Ra1 $146 { Variations and Predecessor: } (18. Rfc1 { keeps the balance. }) (18. Rfd1 Rb8 19. Ra1 Qd7 20. Nb3 Bg4 21. Rd2 Bf5 22. Ba3 Bxd3 23. Qc1 Qe6 24. Bxb4 axb4 { ½-½ Nyvlt,Z (2428)-Shpakovsky,A (2529) EU-chT10 sf1 email ICCF email 2014 [3] }) 18... Rb8 { Black is more active. } (18... Qd7 $17 19. Rfd1 (19. Bxb7 Qxd3 20. Qxd3 Rxd3 $17) 19... Qxd3) 19. Ba3 Nbd5 20. Nxd5 Nxd5 21. Bxd5 (21. Rfc1) 21... Rxd5 $15 22. Bxb4 axb4 23. Rfc1 Qd8 (23... Qd7 $17 24. Nb3 b6 (24... Rxd3? { loses. } 25. Nc5 $18)) 24. Qxc7? { White does not recover from this. } (24. Nb3! { and White has nothing to worry. }) 24... Rxd3 $19 25. Qxd8+ Rbxd8 26. Nc4 (26. Ne4 b3 27. Rab1) 26... b3 { Threatens to win with ...Be6xc4. Black is clearly winning. } 27. Nb2 Rd2 28. Rab1 Bf5 29. Nc4 Rc2 30. Nb2 Rxc1+ 31. Rxc1 Rd2 { Weighted Error Value: White=0.68/Black=0.18 (very precise) Loses game: White=1 --- Mistake: White=3 Black=2 Inaccurate: White=2 Black=1 OK: White=7 Black=6 } 0-1