[Event "It (b)"] [Site "masterchessopen.com - Porto (Portugal)"] [Round "9"] [White "Guimaraes Jorge (POR)"] [Black "Silva Antonio Augusto (POR)"] [Result "1/2-1/2"] [WhiteElo "2313"] [BlackElo "2202"] [ECO "A16"] [Opening "English: Anglo-Gruenfeld, 3.cxd5"] 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7 7.f4 c5 8.Rb1 Qc7 9.Nf3 Nc6 10.O-O O-O 11.Qa4 Rb8 {#d} 1/2-1/2