| 1 | p.boxed |
| 2 | | The capture of an enemy piece produces a new "checkered" piece belonging to both players. |
| 3 | |
| 4 | figure.showPieces.center-align |
| 5 | img(src="/images/tmp_checkered/cp.png") |
| 6 | img(src="/images/tmp_checkered/cr.png") |
| 7 | img(src="/images/tmp_checkered/cn.png") |
| 8 | img(src="/images/tmp_checkered/cb.png") |
| 9 | img(src="/images/tmp_checkered/cq.png") |
| 10 | img(src="/images/tmp_checkered/no_ck.png") |
| 11 | figcaption Checkered pieces, born after captures. |
| 12 | |
| 13 | h3 Specifications |
| 14 | |
| 15 | ul |
| 16 | li Chessboard: standard. |
| 17 | li Material: additional checkered pieces. |
| 18 | li Non-capturing moves: standard; see below. |
| 19 | li Special moves: standard; see below. |
| 20 | li Captures: standard; see below. |
| 21 | li End of game: standard. |
| 22 | |
| 23 | p The game potentially evolves in two stages. |
| 24 | |
| 25 | h2.stageDelimiter Stage 1 |
| 26 | |
| 27 | h3 Basics |
| 28 | |
| 29 | ol |
| 30 | li Each capture produces a new piece, taking on nature of the capturing or captured one. |
| 31 | li The new piece arising from a capture has a new color: "checkered", as illustrated above. |
| 32 | li All checkered pieces belong to the player in turn and can capture the opponents pieces. |
| 33 | |
| 34 | span Remarks: |
| 35 | ul |
| 36 | li A checkered move cannot be "undone" right after if this repeat the position. |
| 37 | li Checkered chess pieces cannot be captured. |
| 38 | |
| 39 | figure.diagram-container |
| 40 | .diagram |
| 41 | | fen:2kr4/pp6/2p5/4ss1r/1P2ns1P/2Np4/P1P1P1BP/R2o1RK1: |
| 42 | figcaption. |
| 43 | Black plays Rxh4=P. (Checkered pawn to) h5 is allowed then, because piece's nature changed. |
| 44 | |
| 45 | h3 Pawn moves |
| 46 | |
| 47 | ul |
| 48 | li A pawn captured on its starting square keeps the right to advance two squares. |
| 49 | li Checkered pawns cannot capture en passant. |
| 50 | |
| 51 | h2.stageDelimiter Stage 2 |
| 52 | |
| 53 | p. |
| 54 | During the game one of the two players can decide to take control of the checkered pieces. |
| 55 | They thus become autonomous and vulnerable to being captured - stage 2 begins. |
| 56 | The other player is in charge of both the white and black pieces, and tries to eliminate checkered pieces. |
| 57 | The checkered side wins by checkmating either the white or black king. |
| 58 | |
| 59 | h3 Special moves |
| 60 | |
| 61 | span Checkered pawns can... |
| 62 | ul |
| 63 | li move and capture in either direction; |
| 64 | li take en passant, |
| 65 | li be promoted on either the first or eighth row. |
| 66 | |
| 67 | h3 Credits |
| 68 | |
| 69 | ul |
| 70 | li The rules of Checkered Chess were thought up by Patrick Bernier and developed with the help of Benjamin Auder. |
| 71 | li Thanks to Bevis Martin for the initial english translation. |
| 72 | li Thanks also to Christian Poisson, Laurent Nouhaud and Frédéric Fradet. |