projects / vchess.git / blame
| Commit | Line | Data |
|---|---|---|
| 964eda04 BA |
1 | p.boxed |
| 2 | | In addition to standard moves, a piece can be exchanged | |
| 3 | | with an adjacent friendly unit. | |
| 4 | ||
| 5 | p. | |
| 6 | Instead of a normal move, a piece may be exchanged with an adjacent | |
| 7 | friendly one. Switching can move pawns until rank 1 or final rank. | |
| 8 | In the first case a 2-squares jump is possible, and in the second a | |
| 9 | promotion occurs. | |
| 10 | Switching must involves two different units. | |
| 11 | Switching while the king is under check is not allowed. | |
| 12 | ||
| 13 | p. | |
| 14 | Notation: a switch move is marked by the capital letter 'S' followed by | |
| 15 | the exchanged squares. Example in diagram: Sb8c8. | |
| 16 | ||
| 17 | figure.diagram-container | |
| 18 | .diagram | |
| 19 | | fen:1RB3k1/5ppp/8/8/8/8/8/K7: | |
| 20 | figcaption White can mate in 1 by switching b8-c8 | |
| 21 | ||
| 22 | p. | |
| 23 | Note: to trigger a switch move involving the king, select the non-royal | |
| 24 | piece first (to not interfere with castling). | |
| 25 | ||
| 26 | h3 Source | |
| 27 | ||
| 28 | p | |
| 29 | a(href="https://www.chessvariants.com/diffmove.dir/switching.html") Switching chess | |
| 30 | | on chessvariants.com. | |
| 31 | ||
| 32 | p Inventor: Tony Quintanilla (2004) |