The British Knockout championship is taking place now as a warm-up to the London Chess Classic that starts this Friday. There have been very interesting games (especially the ones played by Nicholas Pert) like this one between Jonathan Rowson and Gawain Jones.
[fen "5rk1/4R3/1pQp4/3Pp3/4B1pp/4q1P1/PP3rPK/3R4 w - - 0 1"]
Gawain had a huge advantage but has just played ...h4 letting it slip away. Rowson has one chance to avoid losing the game. What should he play?