| 1 | p.boxed |
| 2 | | Pieces only move forward, |
| 3 | | until they reach the last rank where they promote. |
| 4 | |
| 5 | p. |
| 6 | Knights and bishops must move strictly forward, as in Draughts game. |
| 7 | Rooks, queen and king can also move laterally, on the same rank. |
| 8 | Pawns move as usual and are promoted into bidirectional pawns, |
| 9 | able to move and capture both ways. |
| 10 | |
| 11 | figure.diagram-container |
| 12 | .diagram.diag12 |
| 13 | | fen:1qnrkrbb/pppppp1p/1n4p1/8/3B1P2/8/PPPPP1PP/RBKQNR1N c5,b6,e5,f6,g7,h8: |
| 14 | .diagram.diag22 |
| 15 | | fen:1qnrkrbC/pppppp1p/1n4p1/8/5P2/8/PPPPP1PP/RBKQNR1N: |
| 16 | figcaption Before and after 1.Bxh8 |
| 17 | |
| 18 | p Promoted pieces appear in yellow (for white) and red (for black). |
| 19 | |
| 20 | h3 Source |
| 21 | |
| 22 | p |
| 23 | a(href="https://www.chessvariants.com/diffmove.dir/checkers.html") |
| 24 | | Checkers Chess |
| 25 | | on chessvariants.com. |
| 26 | |
| 27 | p Inventor: Hans Multhopp (1974) |