The 2013 release date is guesswork, based on it being nominated for awards in 2013.
6354 Looking for games to play on the flight back home from SF, I grabbed this free chess game.
6355 completed the game on CPU 1 difficulty (CASUAL).
6366 I played a game of chess with Martin F on the final stretch home from GDC. Of course, he won, but at least I put up a fight.
8941 completed the game on CPU 1 difficulty.
I beat the level 1 CPU in 15 moves using one undo. The level 1 CPU really makes a lot of mistakes, and the mistake was 100 percent sloppy play on my part.
8943 completed the game on CPU 1 difficulty.
On my way home I beat CPU 1 in PRO mode (no undos, I think). This is maybe a bit too easy, the AI made a whole bunch of really stupid mistakes.
8944 Difficulty 1 corresponds to ELO rating 750, which according to Wikipedia roughly corresponds to 'beginner'.
8947 completed the game on CPU 2 difficulty.
I beat CPU level 2 with some extremely risky and sloppy play. I should play a little more seriously.
8948 CPU 2 should correspond to an ELO rating of 920.