Ivanchuk lost a won game against Aronian

Position after 23…Qg5

GM Ivanchuk (2751) – GM Aronian (2739) [C88]
19.02.2008

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0–0 Be7 6.Re1 b5 7.Bb3 0–0 8.d4 Nxd4 9.Nxd4 exd4 10.e5 Ne8 11.Qxd4 Bb7 12.c4 bxc4 13.Qxc4 d5 14.exd6 Nxd6 15.Qg4 Nb5 16.Nc3 Nxc3 17.bxc3 Bd6 18.Bf4 Qf6 19.Bxd6 cxd6 20.Rad1 Rad8 21.Qb4 Ba8 22.Re3 g6 23.Qb6 Qg5 24.Rg3 Qb5 25.Rxd6 Rxd6 26.Qxd6 a5 27.Qf4 Bd5 28.Rg5 f5?? 29.Qe5 Rd8 +- (30. Qxf5! Bxb3 31. Qxb5 Rd1+ 32. Qf1Rxf1+ 33. Kxf1 Bxa2 and it is an easy win for White) 30.h4? This allows Aronian a small chance to hold 30…a4 31.Bc2 Qb8 32.Qxf5 Bxa2 33.Bxa4 Bf7 34.h5 Qb6 35.hxg6 hxg6 36.Qf4 Rc8 37.Rg3 Rc4 38.Qh6 Rxa4 39.Rh3 Ra1+ 40.Kh2 Qd6+ 41.f4 Qf6 42.Qh7+ Kf8 43.Qh6+ Ke7 44.Re3+ Kd7 45.Kg3 Ra4 46.Rd3+ Kc6 47.Rd4 Ra3 48.Rd3 Bd5 49.Qh3 Qf5 50.Qxf5 gxf5 51.Kh3 Ra1 52.Rd2 Rh1+ 53.Kg3 Rh6 54.Re2 Re6 55.Rd2 Rg6+ 56.Kh3 Kc5 57.Re2 Kc4 58.Rd2 Be4 59.g4 Kxc3 60.gxf5 Bxf5+ 0–1