[Event "Ch Portugal"] [Site "masterchessopen.com Lisbon (Portugal)"] [Round "8"] [White "Oliveira Carlos (POR)"] [Black "Matias Iuri"] [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.Bc4 c5 8.Ne2 O-O 9.O-O Nc6 10.Be3 Bg4 11.f3 Na5 12.Bd3 cxd4 13.cxd4 Be6 14.d5 Bxa1 15.Qxa1 f6 16.Bh6 Re8 17.Nf4 Bf7 18.Bb5 Qb6+ 19.Kh1 Qxb5 20.e5 e6 21.dxe6 Bxe6 22.Re1 Nc6 23.exf6 Qf5 24.g4 {#r} 1-0