A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems
1.d4 Nf6 2.Bg5 e6 3.Nf3 Be7 4.e3 0-0 5.Nc3 not horrible, but typically White doesn't want to block his c-pawn in this type of position [5.Bd3 ]
5...d5 6.Bd3 Nbd7 7.h4 g6?! this just justifies White's last move [7...c5=/+ ]
8.0-0 Nh5 [8...c5 9.a3= ]
9.Bxe7 Qxe7 10.Ne5? [10.Re1+/= ]
10...Nxe5 11.dxe5 Qxh4 12.g3 [12.Be2=/+ ]
12...Qg5 13.Ne2? [>=13.Be2-/+ ]
13...Qxe5-+ 14.b3 c5 15.f4? [>=15.c4-+ ]
15...Qxe3+ 16.Kg2 c4 17.Rf3 Qc5 18.bxc4 dxc4 19.Be4 Rb8? [>=19...f5 wins a piece]
20.g4 Nf6 21.Nc3 Nxg4 22.Na4 [22.Qe2 f5 23.Rg3 b5-+ ]
22...Qe3 23.Kg3? [23.Nc3 Qb6 24.Qe2 f5 25.Rg3 ]
23...Qxe4 24.Kxg4 e5+ 25.Kg3 exf4+ 26.Rxf4 Qe3+ 27.Rf3 Qg5+ 28.Kf2 Bg4 29.Rg3? [29.Qc1 Qh4+ 30.Kg2 Bxf3+ 31.Kxf3 Rbe8-+ ]
29...Qf5+ 30.Qf3? [30.Rf3 ]
30...Bxf3 31.Rxf3 Qxc2+ 32.Kg3 Qxa4 33.Rc1 Qxa2 34.Rd1 b5 35.Rd7 b4 36.Rd4 a5 37.Re3 c3 38.Re1 Rfe8 39.Rxe8+ Rxe8 40.Rf4 c2 41.Rf1 Qa3+ 42.Kg2 c1Q 43.Rxc1 Qxc1 44.Kg3 Re3+ 45.Kf4 Kg7 46.Kg4 Qd2 47.Kg5 Re4# 0-1