[Event "Ch Peru (juniors) (under 20)"] [Site "masterchessopen.com Lima (Peru)"] [Round "5"] [White "Chambi Alexander"] [Black "Perez Guevara Ciro (PER)"] [Result "0-1"] [BlackElo "2075"] [ECO "C17"] [Opening "French: Winawer, 5.a3"] 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxb4 7.Nb5 b3+ 8.c3 Bc7 9.Qg4 Kf8 10.a4 f5 11.exf6 Nxf6 12.Qh4 a6 13.Nxc7 Qxc7 14.Ne2 Nc6 15.g4 Ne7 16.Ba3 Kf7 17.Bxe7 Qxe7 18.g5 Ne4 19.g6+ Kf8 20.Qxh7 Rxh7 {#R} 0-1