Svidler terrible blunder against Mamedyarov - Round 10 , Nalchik 2009 FIDE 2009 Grand Prix, Nalchik

It's been quite a time since i followed Super GM game live. Tonight i watch the round 10 game of the 2009 FIDE Grand Prix , Nalchik and one of the interesting game is between Mamedyarov vs Svidler . Svidler seems to have a good game before he blunder terribly on move 31. which Mamedyarov punish immediately. Below are the game.



GM Shakhriyar Mamedyarov (2725) - GM Peter Svidler (2726)
FIDE Grand Prix, Nalchik, Round 10, 26.04.2009

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Nbd7 6.Qc2 Bd6 7.g4 h6 8.h3 a6 9.c5 Bc7 10.Bd2 b5 11.cxb6 Nxb6 12.Bd3 Bd6 13.e4 Be7 14.0–0–0 Bb7 15.Kb1 Rc8 16.Rhg1 c5 17.dxc5 Bxc5 18.g5 dxe4 19.Nxe4 Nxe4 20.Bxe4 Bxe4 21.Qxe4 Qd5 22.Qe2 hxg5 23.Nxg5 Rh4 24.Bc3 Qc4 25.Qf3 Rf4 26.Qb7 Bxf2 27.Rgf1 Nd5 28.Be5 Rf5 29.Rc1 Qd3+ 30.Ka1 Rd8 31.Qc6+The game should ended with a draw after 31...Rd7 32.Qc8+ Rd8 33.Qc6+ etc. but Svidler who has about 5 minutes to reach the first time control blunder terribly with 31...Ke7??
32.Rxf2 Rxg5 black other choice will also lost for eg.


a) 32...Rxf2 33.Qc5+ Ke8 34.Qxf2 f6 35.Nxe6 ;


b.) 32...Rxe5 33.Rxf7# checkmate


33.Qb7+ Rd7 34.Rxf7+ Kxf7 35.Qxd7+ Kg8 36.Bxg7 1-0 Svidler resign because after for e.g 36... Qc2 (36...Rxg7 37.Qe8+ Kh7 38.Qh5+ Kg8 39.Rc8# mate ) 37.Qd8+ Kxg7 38.Qxg5+ Qg6 39.Qxg6+ Kxg6 40.Rc6 Kf5 41.Rxa6 white is clearly winning