2 | Captures swap pieces. Goal is to bring enemy king to your first row.
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.
9 It is forbidden to "un-do" a capture right after it was played:
10 in the diagram position, 3...Bxg7 is not allowed.
12 figure.diagram-container
14 | fen:rnbqk1nr/ppppppBp/6p1/8/8/1P6/PbPPPPPP/RN1QKBNR:
15 figcaption After 1.b3 g6 2.Bb2 Bg7 3.Bxg7
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.
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,
30 p The goal is to attract the opponent's king to your own first rank.
32 figure.diagram-container
34 | fen:2Pb3r/1rP3nq/1p2p2p/p1p2NpP/1P2R2k/P3p2P/pN1PP1B1/R1BnQ1Kb:
35 figcaption White can win with 1.Qxh4
40 a(href="https://www.chessvariants.com/rules/suction-chess") Suction chess
41 | on chessvariants.com.
43 p Inventor: Nathaniel Virgo (2018)