I had a conversation with GM Wesley So & he mentioned he won by luck. Here is his game against Anton Fillipov. By the way Anton Fillipov was the KL Open Champion.
So,Wesley - Filippov,Anton [C97]
Aeroflot Open Moscow (1), 17.02.2009
Chigorin Variation, Ruy Lopez.
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Be6 13.Nf1 Nc4 14.b3 Nb6 15.Be3 Rfc8 16.Rc1 Bd7 17.Ng3 a5 18.Bb1 a4 19.Nh2 axb3 20.axb3 Qa7 21.dxe5 dxe5 22.Nf5 Bf8 23.Qf3 Be6 24.Qg3 Qc7 25.Nf3 Nbd7 26.Ng5 Bxf5 27.exf5 Ra3 28.Bc2 c4 29.bxc4 Rxc3 30.Ne4 Nxe4 31.Bxe4 Rxc1 32.Rxc1 bxc4 33.Bg5 Qd6 34.Qf3 Nf6 35.Bd5 c3 Blunder by Anton. Here Anton Fillipov missed a brilliant move which is QxB! winning up 1 piece. 36.Bb3 Qc6 37.Qg3 e4 38.Rc2 Qc5 1-0.