Medio Juego - Kelvin Sanchez Chess

Kelvin Sánchez Chess
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Medio Juego
[Event "Tradewise Gibraltar Masters"] [White "Sonis, Francesco"] [Black "Pichot, Alan"] [Site "Prueba"] [Result "1/2-1/2"] [Date "2018.01.24"] [WhiteElo "2425"] [BlackElo "2552"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 { I played againts Alan Pichot at Continental Championship, And he's stronger player with the sicilian... We will see this game to Evaluate the option with white used by Francesco... Player strong too from Italy.. } 5.Nc3 d6 6.g4 { [%csl Bg4] } 6...e5 ( 6...h6!? { [%csl Gh6] } 7.h4 Nc6 8.Rg1 { [%csl Bg1] } ( 8.g5 hxg5 9.Bxg5 { [%csl Bg5] } 9...Qb6 10.Nb3 { [%csl Bc1] } ) ) 7.Bb5+ Bd7 8.Bxd7+ Qxd7 9.Nf5 h5 { Black is generating iniciative on king side.. In this typical position, black uses long castle include with the bad pawn on d6. Remember, the pawn on d6 can not bee weak while the bishop is present on e7 to protect.. } 10.gxh5 ( 10.Bg5 { this is other possibility,... } 10...Nh7 11.Bd2 { [%csl Bd2] } 11...hxg4 12.Qxg4 g6 13.Ne3 { [%csl Be3] } ) 10...Nxh5 11.Ng3 { this is the best move in this position... others players chooise Bh6, but this is the better option here.. [%csl Bg3] } ( 11.Bh6 { [%csl Bh6] } 11...g6 12.Bxf8 gxf5 13.Bxd6 Nc6 14.Bc5 { and black has very good iniciative with the knights on the center.. using f4, d4, rooks on d and g file.. } 14...Qxd1+ 15.Rxd1 b6 16.Be3 f4 { [%csl Gf4] } 17.Bc1 { [%csl Bc1] } 17...Nd4 $10 { with bad develop for white.. } ) 11...g6 12.Nd5 { preparing basic tactics... [%csl Bf6,Bh5] } 12...Bg7 13.Qf3 Nc6 14.Be3 Nf4 15.O-O-O ( 15.Bxf4 { accept the pawn is not very good. because the bad bishop on g7 will be very strong.. } 15...Nd4 16.Qd1 exf4 { [%csl Ba1,Be4] } ) 15...Nxd5 16.Rxd5 ( 16.exd5 { this is bad option.. giving option for black to open the diagonal for bishop on g7. } 16...Nd4 { [%csl Ba1] } ) 16...Nb4 { [%cal Bb4d5,Bb4c2,Bb4a2] } 17.Rd2 Qe6 ( 17...Nxa2+ 18.Kb1 Nb4 { [%csl Bb4,Bc3,Bh5] } ) 18.c3 ( 18.a3 Qa2 $17 { [%csl Ba1,Bb2] } ) 18...Rc8 { [%csl Ga3] } 19.Kd1 ( 19.a3 Na2+ 20.Kb1 Qb3! { [%csl Bc3] } ) 19...Nc6 20.Qe2 ( 20.h4 { possible option to give the pawn on a2 as sacrifice... [%csl Bh5] } ) 20...Qxa2 21.Qb5 { [%csl Bb7,Bd6][%cal Bb5b7,Bd2d6] } 21...O-O 22.Ke1?! { preparing the king to defend the position if black keep the pawn.. } ( 22.h4!? { [%csl Bh5] } ) 22...b6 23.Qe2?! { [%csl Be2] } 23...Qe6 24.h4 Na5 25.h5 Nc4 26.Rd5 ( 26.Rd3! { [%csl Bd3,Bh3] } ) 26...Nxe3 27.Qxe3 Rc5 28.Qd3 { white is keeping the bad bishop on g7 with the pawn on d6 and e5... } 28...Rxd5 29.exd5 ( 29.Qxd5 Qxd5 30.exd5 Bf6 { [%csl Gf6,Ge7] } ( 30...f5 { [%csl Bf5] } 31.hxg6 Rf6 { [%csl Bf6] } ) 31.Ne4 Be7 32.hxg6 fxg6 { with possible position for white generate draws.. knight on e4 is very strong in comparation with bishop on e7. [%csl Bg7,Ba7,Bb6] } ( 32...f5 { [%csl Gf5] } 33.Rh7 { [%csl Ba7] } ) ) 29...Qg4 30.Ne4 { [%csl Bd6] } 30...Qg2 ( 30...f5 { [%csl Bf5] } 31.Nxd6 Rd8 { [%csl Bd8,Be4,Bd5] } 32.Nc4 Qg2 { [%csl Bd5] } 33.Rf1 Rxd5 34.Ne3 Rxd3 35.Nxg2 gxh5 { black is better ... } ) 31.Ng3 e4 { [%cal Bg7b2] } 32.Qe3 ( 32.Qxe4?? Qxe4+ 33.Nxe4 Re8 { [%csl Be1] } 34.f3 f5 { [%csl Be4] } ) ( 32.Nxe4 Qxh1+ { [%csl Bh1] } ) 32...Re8 33.hxg6 fxg6 34.Rh4! { now, black lost the pawn and The game will be good for white... now black lost all the advantage... [%csl Be4] } 34...Qg1+ 35.Nf1 Qg2 36.Ng3 Qg1+ 37.Nf1 Re5 38.c4 Qg2 39.Ng3 Qg1+ 40.Nf1 Qg5 41.Qxg5 Rxg5 42.b3 { [%csl Be4] } 42...Re5 43.Ke2 ( 43.Ng3 e3 { [%csl Be3] } 44.f4 { [%csl Bf4] } ) 43...Bf6 44.Rg4 { [%csl Bg6][%cal Bg4g7,Bg6g8] } 44...Kf7 45.Nd2 ( 45.Ng3 e3 46.fxe3 Bg5 47.Ne4 { [%csl Be4] } ) 45...e3 46.fxe3 { 1/2-1/2 The game is a draw. } 1/2-1/2
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FM Kelvin Sánchez
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