[Event "Memorial J.M.Soto"] [Site "San Jose (Costa Rica)"] [Round "11"] [White "Valdes Romero Leonardo (MEX)"] [Black "Charpentier William (CRC)"] [Result "1/2-1/2"] [WhiteElo "2285"] [BlackElo "2295"] [ECO "A35"] [Opening "English: Symmetrical, Four Knights"] 1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 Nd7 11.Qc2 Ne5 12.b3 Nc6 13.Bb2 {#d} 1/2-1/2