[Event "Ch World (juniors) (under 20)"] [Site "masterchessopen.com Adelaide (Australia)"] [Round "5"] [White "Wolff Patrick G (USA)"] [Black "Southam David (CAN)"] [Result "1-0"] [WhiteElo "2500"] [BlackElo "2086"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.a4 Bf8 14.Bd3 Bc6 15.b4 d5 16.exd5 Nxd5 17.dxe5 g6 18.Nd4 Nxe5 19.Nxc6 Nxd3 20.Ne4 Qd7 21.Qxd3 Qxc6 22.axb5 Qxb5 23.c4 Qxb4 24.Bd2 Qb7 25.cxd5 {#r} 1-0