Inspired by the image of endgame expert Alexey Troitzky sitting in a Siberian forest, analyzing night after night whether king plus four knights can always beat king plus queen, Prof Azlan Iqbal set his AI composer Chesthetica on finding a nice 4N-Q chess problem. It took his program a week, and the result was deemed not aesthetically perfect. So we issued a challenge to our readers: come up with a better problem of four knights vs queen. Here are the results.
http://en.chessbase.com/post/four-knights-vs-queen-challenge-2