[Event "Ch Bulgaria"] [Site "masterchessopen.com Bulgaria"] [Round "0"] [White "Semkov Semko (BUL)"] [Black "Tsvetkov Georgi (BUL)"] [Result "1-0"] [WhiteElo "2470"] [BlackElo "2218"] [ECO "D31"] [Opening "Semi-Slav: 4.Nf3"] 1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 f5 5.Bg5 Nf6 6.e3 Be7 7.Bd3 O-O 8.Qc2 b6 9.cxd5 cxd5 10.Ne5 Ba6 11.Bxa6 Nxa6 12.Qa4 Nb8 13.O-O Nfd7 14.Bxe7 Qxe7 15.Nd3 Rc8 16.Rac1 Rc4 17.Qb3 Nc6 18.Nxd5 {#r} 1-0