It’s certainly more satisfying to win by checkmate against a splendidly devious German but one makes do with what one can and so a resignation from an over-confident American will just have suffice.
1.d4 d5 2.g3 Nf6 3.Bg2 g6 4.Nc3 Bg7 5.Nf3 c6 6.O-O O-O 7.Qd3 e6 8.Bh3 Nbd7 9.b3 c5 10.Ba3 Re8 11.dxc5 b6 12.b4 bxc5 13.bxc5 Qa5 14.c6 Qxa3 15.Nb5 Nc5 16.Qxa3
1-0