(123) Anderson,Paul (1945) - Cacas,Alex (1801) [D80] Southern Colorado Open Colorado Springs (5.1), 15.06.2008 [Fritz 8 (60s)] D80: Grünfeld: Unusual White 4th moves and 4 Bg5 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 dxc4 last book move 5.Bxf6 exf6 6.e4 Bg7 7.Bxc4 0-0 8.Nge2 Nd7 9.0-0 Nb6 10.Bb3 Re8 11.Rc1 Bd7 12.Qd3 a6 Covers b5 13.Rfd1 Qe7 14.a3 Rad8 15.Qg3 Bc8 16.Rd3 f5 17.e5 White gets more space 17...c6 Controls b5+d5 [17...c5 18.dxc5 Bxe5 19.Rxd8 Bxg3 20.Rxe8+ Qxe8 21.hxg3=/+ ] 18.Rcd1 Be6 19.Bxe6 fxe6 20.b4 Rd7 21.Nc1 Bf8 22.Nb3 Qg7 23.f4 Red8 24.h4 Nc4 25.Na4 b5 [25...Qf7!?= ] 26.Nac5+/- Bxc5 27.Nxc5 A beautiful square! 27...Re7 28.Rb1 Ra8 29.Qf3 Rc8 30.Nxa6 Ra7 31.Nc5 Qe7 32.Qg3 Rca8 33.Rbb3 Kg7 34.h5 Qe8 35.Qf3 [35.hxg6 Qxg6 36.Nxe6+ Kf7 37.Ng5+ Kf8+- ] 35...Qc8? [35...gxh5!? 36.Qg3+ Kh8+/- ] 36.Kf2 Qe8 37.g4 Kf7? [37...Rf7!?+- ] 38.Qh3 [38.hxg6+!? seems even better 38...Kg8 39.gxf5 exf5+- ] 38...Qh8 39.Qh1 Rxa3 [39...fxg4 40.hxg6+ hxg6+- ] 40.Rxa3 Rxa3 41.Rxa3 Nxa3 42.hxg6+ Kxg6 43.Qh5+ Kg7 44.Nxe6+ Kg8 45.Qe8# 1-0