[Event "Memorial M.Bobotsov (open)"] [Site "masterchessopen.com Sofia (Bulgaria)"] [Date "2010.05.04"] [Round "6"] [White "Spasov Ivaylo"] [Black "Kalchev Sava (BUL)"] [Result "1-0"] [BlackElo "1663"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Be3 Nc6 9.Ne2 cxd4 10.cxd4 O-O 11.O-O Bg4 12.f3 Na5 13.Bd3 Be6 14.d5 Bxa1 15.Qxa1 f6 16.Bh6 Re8 17.Kh1 Bd7 18.e5 Bc6 19.Nf4 Bxd5 20.Qb1 f5 21.Bxf5 Qb6 22.Nxd5 Qd4 23.Be6+ Kh8 24.Qe4 Qxe4 25.fxe4 Rac8 26.Rf7 Rg8 27.Bxc8 Rxc8 28.Rxe7 {#r} 1-0