3 ms·
Reading this I realized chess is not fully Markovian (you cannot know everything about the game by just looking at the board at any point), specifically because
by yewenjie 3y ago
Reading this I realized chess is not fully Markovian (you cannot know everything about the game by just looking at the board at any point), specifically because whether determining if castling and en passant are valid moves depend on the history of the board.
- phkahler 3y agoThe author of the post forgot a bit to indicate which sides turn it is. That's another piece of state you don't get by looking at the board.