Sofia Round 1

Mamedyarov beats Kamsky, and Nisipeanu beats Topalov. Adams-Sasikiran was drawn.

Mamedyarov,S (2757) - Kamsky,G (2705) [D10]
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 Bg4 5.f3 Be6 6.Nge2 dxc4 7.Nf4 Qc8 8.e4 g6 9.g4 Bg7 10.h4 h6 11.b3 cxb3 12.axb3 Nbd7 13.Nxe6 fxe6 14.e5 Qc7 15.exf6 Qg3+ 16.Ke2 Nxf6 17.Qd3 0-0-0 18.Rxa7 Kb8 19.Ra4 Rhf8 20.Rh3 Qc7 21.Be3 e5 22.Qc4 Nd5 23.Nxd5 Rxd5 24.Qd3 exd4 25.Bd2 Rf6 26.Kd1 Re6 27.f4 Qb6 28.Bg2 Rc5 29.Rc4 Rb5 30.f5 gxf5 31.gxf5 Rd6 32.Kc2 Qa7 33.Kb2 Re5 34.Ra4 Qb6 35.Bf4 Re2+ 36.Kb1 Rxg2 37.Rg3 Rxg3 38.Qxg3 1-0.

Topalov,V (2772) - Nisipeanu,LD (2693) [B01]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.g3 Nf6 5.Bg2 c6 6.d4 g6 7.Bf4 Qb4 8.Nge2 Bg7 9.Qc1 0–0 10.0–0 Bg4 11.a3 Qa5 12.h3 Bxe2 13.Nxe2 Nbd7 14.c4 e5 15.b4 Qc7 16.dxe5 Nxe5 17.Qc2 a5 18.Rae1 axb4 19.axb4 Rfe8 20.c5 Nd5 21.Bd2 Nd7 22.Qc4 N7f6 23.g4 h5 24.Ng3 hxg4 25.hxg4 Qd7 26.g5 Rxe1 27.Rxe1 Ne8 28.Bf3 Nec7 29.Bg4 Qd8 30.Kg2 Nb5 31.Rd1 Ra1 32.Rxa1 Bxa1 33.Bf3 Be5 34.Ne2 Ndc7 35.Be3 Ne6 36.Bg4 Nbc7 37.Qe4 Bg7 38.f4 Qd1 39.Kf2 Bc3 40.b5 Qe1+ 41.Kg2 Nd5 42.bxc6 bxc6 43.Qd3?? Bd4! 44.Bxe6 Nxe3+ 45.Kh2 Qf2+ 46.Kh3 Qf3+ 47.Ng3 Qg2+ 0–1.