Failon, Nick(2007)
1:30:00
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Vaibhav Kalpaka(2252)
1:30:00
1.c4Nf62.Nc3e63.e4d54.cxd5exd55.e5d46.exf6dxc37.Bb5+c68.Qe2+Be69.Bc4Qxf610.dxc3Be711.Bxe6fxe612.Nf3h613.O-ONa614.Ne5h515.Nxc6bxc616.Qxa6O-O17.Qxc6Rac818.Qe4Rb819.Be3Rxb220.Bxa7Qf521.Qxf5Rxf522.Bd4Bc523.f3?!...This ends up giving more chances to Black, but the reasons why this is better require very accurate calculation in some key lines:23.Bxc5!Rxc524.a4Ra5(24...Rxc3allows White's pawn to advance too far, pacifying Black's rooks.25.a5Rb726.Rfc1Rcb327.h4R3b528.Rc8+Kh729.Rc6Ra730.a6e531.Ra2e432.Kf1Rb433.g3Rb8)25.c4Rc226.Rac1!±and White banks on the c-pawn rather than a rook's pawn.(26.Rfc1?Rxa4!=)23....Bxd4+24.cxd4Ra525.Rf2Rb426.Rd2...After missing a cleaner conversion on move 23 (that required precise calculation), we have now reached yet another endgame between an expert and a master where the stronger player pushes a marginal edge.26....Raa4?26...Rba4!It is counterintuitive to attack the a-pawn rather than the d-pawn, sure, but this move keeps an eye on White's d4-d5 break that could greatly improve the d2-rook.27.d5...An instructive point: active pieces require targets. By choosing to attack the d4-pawn, Black's rooks now look out of place after the target moves!27....exd528.Rxd5h428...Rb229.Rxh5liquidates into a winning three-versus-one ending.29.a3h3!?29...Rb330.h3!is instructive, fixing the h4-pawn as a target such thatRbxa3(30...Rb631.Rg5Kf732.Rg4Rba633.Rxa4Rxa434.Kf2+−and Black's rook is overburdened.)31.Rxa3Rxa332.Rd4reaches the same winning endgame.30.Rh5!hxg231.axb4Rxa1+32.Kxg2...After precise calculation, White has simplified into a winning single-rook ending. Of course, winning with split f- and h-pawns is no easy task, so Black has plenty of chances to play for.32....Rb133.b5Kf734.Rc5Rb2+35.Kg3Rb436.h4Kf637.h5Kf738.f4Ke639.Kg4Rb140.Rc6+Kd541.Rg6...Nice technique! The rook is defend on g6 and Rg6-g5+ indirectly defends the b-pawn.41....Ke442.Re6+Kd543.Kf5Rh144.Re5+Kd645.Kg6Rf146.Kxg7Rxf447.Rg5...White has built the bridge to shield the king from checks, and now the h-pawn marches through.47....Ke748.h61-0 White wins.1-0