[Event "Ch USA (open)"] [Site "masterchessopen.com – Pittsburgh (USA)"] [Round "0"] [White "Ulvestad Olaf (AND)"] [Black "Elo Arpad"] [Result "1-0"] [WhiteElo "2270"] [ECO "E10"] [Opening "Blumenfeld Countergambit"] 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 h6 7.Bxf6 Qxf6 8.e4 Qxb2 9.Nbd2 a6 10.a4 Qf6 11.axb5 Bb7 12.e5 Qd8 13.Qb3 axb5 14.Rxa8 Bxa8 15.Bxb5 Qa5 16.O-O Qb4 17.Qa2 Bxd5 18.Qxd5 Qxb5 19.Rb1 {#r} 1-0