46... hxg4+47. Qxg4Rh6+48. Kg2Qe2+49. Kg1
There are 32,771 more.
Every one is the critical moment from a real grandmaster game, and no position is ever shown twice.
Keep playingFound by reading 285,307 games from 1,753 grandmasters, and checked by the engine before it reached you.