p.boxed | Zen chess only change one thing to the standard rules: | a piece A captures an opponent piece B if and only if B can take A according to the orthodox rules. figure.diagram-container .diagram | fen:r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R: figcaption After 3.Bb5?? black can play 3...Nxb5 or 3...e5xf3 for example h3 Specifications ul li Chessboard: standard. li Material: standard. li Non-capturing moves: standard. li Special moves: standard. li Captures: reverse, as stated above. li End of game: standard; see below. h3 End of the game p Conforming to the rule, the king captures the pieces which are attacking him. figure.diagram-container .diagram | fen:8/8/8/3r1k2/8/8/3K4/8: figcaption The white king can take the rook p However, the king is attacked in the same way as in regular chess - and it's the only exception. figure.diagram-container .diagram | fen:r7/2n5/1q6/5k2/8/8/K7/8: figcaption The king cannot take on a8 because it's guarded by the knight: it's checkmate h3 Credits p. Very few resources about this variation: #[a(href="http://play.chessvariants.org/erf/ZenChess.html") this webpage] and #[a(href="http://www.pathguy.com/chess/ZenChess.htm") this one]. Ed Friedlander developed the Zen Chess applet from the link above.