[Event "Slav Cup"] [Site "ICCF"] [Date "????.??.??"] [Round "?.2"] [White "Chukanov, Igor A."] [Black "Grbac, Boris"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2443"] [BlackElo "2395"] [Annotator "Stockfish 15 Tactical Analysis"] [PlyCount "65"] [EventDate "2021.??.??"] [WhiteTeam "Russia 1"] [BlackTeam "Croatia"] [BlackTeamCountry "CRO"] {[%evp 20,65,27,37,30,25,36,18,49,21,33,15,33,34,47,33,32,15,13,12,10,17,6,8,9, 6,9,9,9,13,12,8,7,4,5,4,2,2,4,5,5,8,8,2,3,4,6,12]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 h5 10. Nd5 Nxd5 11. exd5 Bf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. Be2 a5 13. a4 O-O (13... Nd7 $11) 14. O-O $14 Nd7 15. f4 exf4 16. Bxf4 {[#]} Rc8 $146 ({Predecessor:} 16... Bg6 17. Kh1 Qc7 18. Nd4 Nc5 19. Nb5 Qd7 20. Ra3 h4 21. c4 Ne4 22. Qc1 Rae8 {1/2 (41) Mueller,G (2567) -Giuliani,S (2635) ICCF email 2012}) 17. c3 Nf6 (17... Qb6+ $2 18. Be3 Qxb3 19. Rxf5 $18) 18. Bb5 Be4 {The position is equal.} 19. Rae1 {[#] Strongly threatening c4.} Bxd5 20. Nd4 {Threatens to win with Qd3.} Be4 {Prevents Qd3.} 21. Bg5 d5 22. Nf5 $1 Bxf5 23. Rxf5 {[%CAl Oe1e7]} Qb6+ $1 24. Kh1 g6 25. Rff1 Ne4 {[#]} 26. Rxe4 $1 Bxg5 27. Qxd5 Rc5 28. Qd4 {Hoping for Re5.} Qc7 {Against Re5} 29. Bc4 Rf5 30. Rxf5 gxf5 31. Qe5 Qc8 32. Rd4 {And now Qg3 would win.} ({ Don't go for} 32. Qxa5 $2 Bd8 33. Bxf7+ Kg7 34. Qe5+ Bf6 35. Qg3+ Kxf7 $19) 32... Rd8 {[%CAl Oc8c4] ...Qxc4! is the strong threat.} 33. Rxd8+ {Weighted Error Value: White=0.02 (flawless) /Black=0.03 (flawless)} 1/2-1/2