So, we get angry with ourselves for commiting gross blunders. Here's something to ease your mind, and you can take it easy on yourself when such things happen. Morozovich had a winning position against Radjabov at the first ACP World Rapid Chess Cup at Odessa, January 2007. Morozevich had just played the incredible move 64. b5?? Radjabov took the rook on c5 and Morozevich immediately resigned his game.