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