Hello again, let's remind ourselves of the position from Krush - Ruxton, Gibraltar 2007:
The solution is: 37. Qh8+ Kf7 38. Qxg7+ Kxg7 39. Rh7+ Kg8 40. Rh8+ Kg7 41. R1h7 mate.
Irina Krush is a strong IM and is currently the US Women's Champion. To find out more about her, visit http://www.chessgames.com/perl/chessplayer?pid=49592.