[Event "Ch Scotland"] [Site "masterchessopen.com – Bearsden (Scotland)"] [Date "1973.07.15"] [Round "2"] [White "Macdonald-Ross Michael (ENG)"] [Black "Kerr Brian"] [Result "1-0"] [WhiteElo "2136"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 c6 7.Be2 dxc4 8.Bxc4 b5 9.Be2 Be6 10.Qc2 Nbd7 11.O-O Nb6 12.e4 Bc4 13.Rd1 Rc8 14.Bxc4 Nxc4 15.a4 Qa5 16.b3 Nb6 17.Bd2 b4 18.Na2 c5 19.dxc5 Qxc5 20.Qxc5 Rxc5 21.Bxb4 Rc7 22.Nc3 Rfc8 23.a5 Nbd7 24.e5 Ne4 25.Nd5 Nxe5 26.Nxc7 {#r} 1-0