Sibahi: Ultima? You mean the ''unprogrammable" chess game?
Also, I like the idea of Knightmating Chess. 8x8 board, exchange the knights for kings, exchange the kings on the E file for a knight, and checkmate the knight.
(hide) Want to play more games but you're having trouble decide which game to start? Enter a tournament with random games. (pauloaguia) (show all tips)