| 1 | p.boxed. |
| 2 | Capturing an enemy piece changes its color. |
| 3 | The converted piece must be moved immediatly. |
| 4 | |
| 5 | p. |
| 6 | Each capture transforms the captured piece into a friendly one |
| 7 | (changing color). Since it cannot remain on the capturing square, |
| 8 | it has to be moved immediately. This newly converted piece can now |
| 9 | capture (and thus "convert") another enemy piece, and so on. |
| 10 | |
| 11 | p. |
| 12 | Castling is impossible if any square traversed by the king is controlled |
| 13 | (directly or through a chain). Checks are ignored otherwise. |
| 14 | |
| 15 | figure.diagram-container |
| 16 | .diagram |
| 17 | | fen:r1bqk2r/3nn1b1/pppppppp/8/5PQ1/PPPPPNPP/1B6/RN2KB1R: |
| 18 | figcaption Black cannot castle because f8 is attacked: Qxe6, Pxd7, Nxf8 |
| 19 | |
| 20 | p. |
| 21 | Pawns start on the third rank in an attempt to balance the game. |
| 22 | White has a large advantage otherwise, leading to a quick win. |
| 23 | |
| 24 | p. |
| 25 | The goal is to convert the enemy king. Note that capturing a king is |
| 26 | possible only if a king move is then available. However, a piece gives |
| 27 | check (concerning castle) even if it's impossible. |
| 28 | |
| 29 | figure.diagram-container |
| 30 | .diagram.diag12 |
| 31 | | fen:1nbr2nr/3q1kb1/ppppppp1/3P3p/P1P1N3/1P2PPPP/4K1BR/R1BQ2N1: |
| 32 | .diagram.diag12 |
| 33 | | fen:1nbr2nr/3q1kb1/pppp1pp1/3p3p/P1P1p3/1P2PbnP/3kp1rp/R1BQ2N1: |
| 34 | figcaption. |
| 35 | Black wins for example with exd5 xe4 xg3 xh2 xg2 xf3 xe2 and finally Kd2. |
| 36 | |
| 37 | p If in a chain a converted piece cannot move, then you must reset the move. |