| 1 | p.boxed |
| 2 | | Captures swap pieces. Goal is to bring enemy king to your first row. |
| 3 | |
| 4 | p. |
| 5 | When a piece is taken it is not removed from the board, but moved instead |
| 6 | to the square that was initially occupied by the capturing piece. |
| 7 | |
| 8 | p. |
| 9 | It is forbidden to "un-do" a capture right after it was played: |
| 10 | in the diagram position, 3...Bxg7 is not allowed. |
| 11 | |
| 12 | figure.diagram-container |
| 13 | .diagram |
| 14 | | fen:rnbqk1nr/ppppppBp/6p1/8/8/1P6/PbPPPPPP/RN1QKBNR: |
| 15 | figcaption After 1.b3 g6 2.Bb2 Bg7 3.Bxg7 |
| 16 | |
| 17 | ul |
| 18 | li. |
| 19 | The king cannot move at all, except by being captured by one of the |
| 20 | opponent's pieces. There is no castling. |
| 21 | li Taking a king has no effect besides moving it. |
| 22 | |
| 23 | p. |
| 24 | Pawns don't promote, but instead just stay on the back rank where they |
| 25 | can't move. A pawn can still re-enter play after this happens, |
| 26 | by being captured. |
| 27 | |
| 28 | h3 End of the game |
| 29 | |
| 30 | p The goal is to attract the opponent's king to your own first rank. |
| 31 | |
| 32 | figure.diagram-container |
| 33 | .diagram |
| 34 | | fen:2Pb3r/1rP3nq/1p2p2p/p1p2NpP/1P2R2k/P3p2P/pN1PP1B1/R1BnQ1Kb: |
| 35 | figcaption White can win with 1.Qxh4 |
| 36 | |
| 37 | h3 Source |
| 38 | |
| 39 | p |
| 40 | a(href="https://www.chessvariants.com/rules/suction-chess") Suction chess |
| 41 | | on chessvariants.com. |
| 42 | |
| 43 | p Inventor: Nathaniel Virgo (2018) |