[Event "Ch Bulgaria (seniors)"] [Site "masterchessopen.com – Sofia (Bulgaria)"] [Date "2009.05.15"] [Round "8"] [White "Kostov Nikolay (BUL)"] [Black "Berberyan Maruke"] [Result "1-0"] [WhiteElo "1967"] [ECO "A42"] [Opening "Modern: Averbakh"] 1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nf6 5.f3 c6 6.Be3 a5 7.Qd2 Na6 8.a3 O-O 9.Bh6 e5 10.Bxg7 Kxg7 11.Nge2 Rb8 12.g4 Kg8 13.h4 h5 14.Qg5 Nxg4 15.Qxd8 Rxd8 16.fxg4 Bxg4 17.Bh3 Bxe2 18.Nxe2 b5 19.cxb5 cxb5 20.O-O-O b4 21.axb4 Nxb4 22.dxe5 dxe5 23.Rxd8+ Rxd8 24.Nc3 Nd3+ 25.Kb1 Nf4 26.Rh2 Rd4 27.Bf1 f5 28.exf5 gxf5 29.Bb5 e4 30.Kc2 Kg7 31.Ne2 Nxe2 32.Bxe2 {#r} 1-0