D52: Queen's Gambit Declined: Cambridge Springs Variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Be7 7.Bd3 dxc4 8.Bxc4 b5 9.Bb3!? definitely offbeat [9.Bd3 a6 10.0-0 c5 11.Qe2 c4 12.Bc2 Bb7 13.e4 0-0 14.e5 Nd5 15.Qe4 g6 16.Qh4 f6 Tarrasch-Colle, Merano 1924]
9...Bb7 10.0-0 0-0 11.Rc1 a5 12.a3 [12.Bc2 b4 13.Na4 c5+/= ]
12...Qb6 [12...b4 13.axb4 axb4= ]
13.Ne5+/= thematic
13...Rfd8 14.Nxd7 Rxd7 15.Bxf6 Bxf6 16.Ne4 Be7 17.Qc2 [17.Qg4! Qd8+/- ]
17...Rc8 18.Nc5 Bxc5 19.dxc5 [19.Qxc5 Qxc5 20.Rxc5 a4+/= ]
19...Qc7 20.Qe4 Rcd8 21.Bc2 g6 22.b4 Rd5 23.Rfd1 Qd7 24.Qf3 axb4 25.axb4 Kg7 26.h4 Qe7 27.Qf4 e5 28.Qg4 Bc8 29.Qg3 f5 30.h5 Rd2 31.Rxd2 Rxd2 32.hxg6 hxg6 33.f3 [33.e4 f4 34.Qc3 Rd4= ]
33...Qf6 34.Qe1 Rd8 35.Qc3 Be6 36.f4?? White tries to throw it all away [>=36.Ra1= ]
36...e4? [>=36...exf4 37.Qxf6+ Kxf6 38.exf4 Rd4-+ and White's position falls apart]
37.Qxf6+ Kxf6 38.Rd1 Rxd1+ [38...Ra8 39.Rd6 Ra1+ 40.Bd1 Rb1-/+ leaves Black with some play]
39.Bxd1= now the position is quite drawish
39...g5 40.g3 g4 41.Kf1 Ba2 42.Ke1 Ke6 43.Kd2 Kd5 44.Kc3 Bc4 1/2-1/2