| 1 | p.boxed. |
| 2 | At each turn play first a normal move, and then exchange two pieces' |
| 3 | positions by making a capture. |
| 4 | |
| 5 | ol |
| 6 | li. |
| 7 | Each turn is made of a standard move and a swap move (see 2). |
| 8 | At the first white move, only the regular move is done. |
| 9 | li. |
| 10 | A swap move is a two piece swap of positions. One piece is a player's |
| 11 | piece, and the other is on a square where the first piece could move |
| 12 | (if the square was empty) or take (if the square had an opponent piece). |
| 13 | li If a player cannot make the regular move or the swap, he loses. |
| 14 | |
| 15 | p. |
| 16 | On the diagram the queen first takes the g7 pawn, and then swap its |
| 17 | position with the g8 knight: checkmate. |
| 18 | |
| 19 | figure.diagram-container |
| 20 | .diagram.diag12 |
| 21 | | fen:r1pqk1n1/pn1pppp1/2p5/8/8/2PPPK2/BP4Q1/N1R2P2: |
| 22 | .diagram.diag22 |
| 23 | | fen:r1pqk1Q1/pn1pppn1/2p5/8/8/2PPPK2/BP6/N1R2P2: |
| 24 | figcaption Before and after 1.Qxg7,Sg7g8# |
| 25 | |
| 26 | h3 Source |
| 27 | |
| 28 | p |
| 29 | a(href="https://www.chessvariants.com/diffmove.dir/balancedswap.html") |
| 30 | | Balanced Swap Chess |
| 31 | | on chessvariants.com. Here is an |
| 32 | a(href="/variants/Swap/game.pgn") example game |
| 33 | | played by the variant's creator. |
| 34 | |
| 35 | p Inventor: Joao P. Neto (1998) |