[Event "It (open)"] [Site "masterchessopen.com – California (USA)"] [Round "0"] [White "Sumera Rosendo"] [Black "Remus Horst"] [Result "1-0"] [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.Nf3 c5 8.Be3 O-O 9.Bd3 Nc6 10.Be2 b6 11.O-O cxd4 12.cxd4 Bb7 13.Rb1 e6 14.e5 Na5 15.Rc1 Rc8 16.Qd2 Bd5 17.Ba6 Nc4 18.Qe2 Nxe3 19.Rxc8 Qxc8 20.Bxc8 Nxf1 21.Ba6 {#r} 1-0