WGM Hou Yifan (2571) - GM Vallejo Pons,F (2702) [B30]
Corus B Wijk aan Zee NED (12), 31.01.2009
Analysed by Hairulov and Fritz 111.e4 c5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 g6 5.e5 Ng4 6.Bxc6 dxc6 7.h3 Nh6 8.g4 Bg7 9.d3 f5 10.exf6 exf6 11.Qe2+ Kf7 12.Be3 Re8 13.0–0–0 Kg8 14.d4 cxd4 15.Nxd4 Qc7 16.Rhe1 Nf7 17.Qc4 Qh2 18.Nce2 Qxh3 19.Nf4 Qxg4 20.Rg1 Qd7 21.Nde6 There's about 130 points different between Vallejo and Yifan but looking at the diagram below, it looks like Yifan who is the one with the 2700 rating !
21...Qe7 Fritz suggest sacrificing the queen for a rook and knight with 21...b5 22. Qc3 Qxd1+ 23.Rxd1 Be6 24.Qxc6 though white still have better game i believe 22.Nxg7 Kxg7 23.Nh5+ Kh8 24.Bc5 Qe6 24...Qc7 doesn't help because 25.Nxf6 Threatening 26.Qh4! for e.g 25...Re5 26.Qh4 h5 27.Rxg6 25.Rge1 Qxe1
25...Ne5 Also lost after 26.Qxe6 Bxe6 27.Nxf6 Bg4 28.Nxe8 Rxe8 (28...Bxd1 29.Rxe5) 29.f3 Bxf3 30.Rxe5 Rxe5 31.Rd8+ Kg7 32.Bd4 Kf6 33.Re8 26.Qxf7! Qxd1+ 27.Kxd1 Bg4+ 28.Kd2 Rad8+ Black can hold on a little bit longer with a stuborn defense after 28...Red8+ 29.Kc3 Rd7 30.Qxf6+ Kg8 31.Bd4 Bxh5 though white is still winning ( 31...Rad8 is checkmate in 4 after 32.Qh8+ Kf7 33.Qg7+ Ke6 34.Nf4+ Kf5 or 34...Kd6 bot will be answer with35.Qe5# checkmate) 32.Qh8+ Kf7 33.Qxa8 29.Kc3 Bxh5 30.Bd4 Rxd4 31.Qxe8+ 1–0