[Event "Ch World (team) (under 26)"] [Site "masterchessopen.com - Roque Saenz Pena (Argentina)"] [Round "7"] [White "Steinhoff Igor Muramatsu (BRA)"] [Black "Hernandez Juan J (PUR)"] [Result "1-0"] [WhiteElo "2226"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian, 3...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Re8 10.Nd2 a6 11.a4 Nbd7 12.h3 Rb8 13.Nc4 Ne5 14.Na3 Nh5 15.e4 Qf6 16.f4 Nxg3 17.fxe5 Qxe5 18.Rf2 Nh5 19.Nc4 Qg3 20.Ne2 Qh4 21.Nxd6 Bxh3 22.Nxe8 Ng3 23.Nxg3 Bd4 24.Qf3 Bxf2+ 25.Qxf2 {#r} 1-0