World Chess Championship 2012 - Tiebreak Rapid Game 4

[Result "1/2-1/2"]
[White "Viswanathan Anand"]
[Black "Boris Gelfand"]
[ECO "B51"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.e5 Qa5+ 6.Nc3 Ne4 7.Bd2
Nxc3 8.Bxd7+ Bxd7 9.Bxc3 Qa6 10.exd6 exd6 11.Qe2+ Qxe2+
12.Kxe2 f6 13.b3 Bb5+ 14.Kd2 Bc6 15.Rad1 Kf7 16.Kc1 Be7 17.d5
Bd7 18.Bb2 b5 19.Nd2 a5 20.Rhe1 Rhe8 21.Re3 f5 22.Rde1 g5
23.c4 b4 24.g3 Bf8 25.Rxe8 Bxe8 26.Nf3 Kg6 27.Re6+ Kh5 28.h3
Bf7 29.Rf6 Bg6 30.Re6 Re8 31.Bf6 g4 32.hxg4+ Kxg4 33.Nh2+ Kh3
34.Nf3 f4 35.gxf4 Kg4 36.Ng5 Ra8 37.Re3 Kf5 38.Bb2 a4 39.Ne6
Bh6 40.Rh3 Bxf4+ 41.Nxf4 Kxf4 42.Bf6 Ra7 43.Re3 Be4 44.Bh4
axb3 45.Bg3+ Kf5 46.axb3 Ra1+ 47.Kd2 Ra2+ 48.Ke1 Ra6 49.f3 Bb1
50.Kd2 h5 51.Kc1 h4 52.Bxh4 Kf4 53.Bg5+ Kxg5 54.Kxb1 Kf4
55.Re6 Kxf3 56.Kb2 1/2-1/2