Daily puzzle 021307

How does White continue? The solution will be published tomorrow.

Yesterday's solution: 37.a3!! (37.Rh8+ Kf7 38.Rxc8 Qxc8 39.Nxf4 Qa6! is unclear) 37?¢‚Ǩ¬¶Rc4 38.Ne5 and White won, Otero-Perez, Havana 2003. Have fun with our daily puzzles!