[Event "Mengarini variation : Sicilian Defense: 2. Nc6 pt1"] [Site "https://lichess.org/study/k79vVDrM/dtBal19v"] [Result "*"] [Variant "Standard"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/JayBayC"] [FEN "rnbqkbnr/pp1ppppp/8/2p5/4P3/P7/1PPP1PPP/RNBQKBNR b KQkq - 0 1"] [SetUp "1"] [UTCDate "2020.11.15"] [UTCTime "11:24:31"] [Source "https://lichess.org/study/k79vVDrM/dtBal19v"] [Orientation "white"] 1... Nc6 2. b4 { with this move, white is gambiting a pawn for pressure in the position } 2... cxb4 3. axb4 Nxb4 { Knight on b4 is extremely vulnerable... lets see the different ideas for white in this position } { [%csl Bb4,Ge4][%cal Ge4d5,Ge4f5,Ge4e5,Ge5f6,Ge5d6] } 4. c3 (4. Ra4) (4. Nc3) (4. d4) (4. Nf3) 4... Nc6 5. d4 { most logical continuation to grab space in the centre } { [%csl Bd6,Bd4,Bd5,Gb5,Gd3][%cal Bd7d6,Bd4d7,Bd6d5,Ba7a6,Gc1g5,Gd1a4,Gd1b3,Gd1c2,Gf1b5,Gf1c4,Ga1a7,Gc1a3,Ga3f8,Bf8g7,Bg7g6] } 6... d6 { delaying the development and disturbing piece fliudity } 7. Nf3 Nf6 8. Nbd2 { [%csl Ge4][%cal Gd2e4,Gc1a3,Ga3d6,Bg7g6] } 8... e5 9. Bc4 { [%csl Rf7][%cal Ga2f7,Gf3g5,Gg5f7] } 9... Be7 10. O-O O-O 11. Re1 Bg4 { [%csl Rd1][%cal Bg4d1] } 12. h3 Bh5 13. Bb2 { white compensation is in the piece activity.. Thus having a slight positional dominance } 13... exd4 14. cxd4 d5 15. exd5 Nxd5 16. Qb3 Nb6 17. Bd3 Nb4 { [%cal Ga1a7,Ge1e7] } 18. Be4 (18. Rxe7!! { would have been a cool exchange sac } 18... Qxe7 19. Re1 Qd6 { black holds onto the knight } { [%csl Rb4][%cal Bd6b4] } 20. Ne4 Qc7 (20... Qe7 21. Nc5 Nxd3 22. Rxe7) 21. Qxb4 Bxf3 22. gxf3 $16 { unclear but white is better }) 18... N4d5 19. Ra5 { attacking the knight thrice } { [%csl Rd5,Gh5][%cal Ga5d5,Gb3d5,Ge4d5,Ga5h5] } 19... Nf6 20. Bxb7 Rb8 21. Rxa7 Qc7 22. Rc1 { missed opportunity to go for the same sac } (22. Rxe7! Qxe7 23. Qxb6 Nd5 24. Bxd5 Rxb6 25. Rxe7 Rxb2 26. g4 $18) 22... Qf4 (22... Qd6 23. Rc6 Qd8 24. Rxb6) 23. Qxb6 Rfd8 24. Qb3 Bg6 25. Qe3! { the exchange would strengthen the white d4 pawn } 25... Qd6 26. Qe5 Qd7 27. Rc7 { [%cal Gc7e7,Ge5e7] } 27... Qf5 28. Qxf5 Bxf5 29. Rxe7 { black is now positionally lost } 29... Nd5 30. Bxd5 { [%csl Rb2,Rd5][%cal Bb8b2,Bd8d5] } 30... Rxb2 31. Bxf7+ Kh8 32. Bc4 { doreality1991 - IM IMFAR, 1-0, -, https://lichess.org/jHIPNoyc } *