Mas lost to the top seed


photo from bielchessfestival official site
GM Ivan Ivanisevic (2664) - IM Mashafizul (2386) [E04]
2008 Biel Chess Festival (Round 4), 24.07.2008
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 dxc4 5.Bg2 Nc6 6.0–0 Rb8 7.Nc3 Bb4 8.a3 Bxc3 9.bxc3 0–0 10.Bg5 h6 Fritz opening book gave 10...b5 11.Bh4 Ivanisevic provoke Mas to weaken his kingside 11...g5 Black is more or less force to play this move because white will sooner or later play e4-e5
12.Nxg5 hxg5 13.Bxg5 Black wins a piece but white have a very strong attack 13...Kg7 16.Qh5 Nxg5 17.fxg5 e5 18.Rf6 Mas has defend well so far and after 18...Ng6 with the idea of 19..Rh8 harrasing white's queen, he could have force white to split the points for example 18...Ng6 19.Qh6+ (19.Rxg6+ fxg6 20.Qh6+ Kg8 21.Qxg6+ Kh6 22.Qxh6+ perpectual) 19...Kg8 20.Rxg6+ fxg6 21.Qxg6+ Kh8 22.Qh6+ perpectual too! )

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