| 1 | p.boxed. |
| 2 | Pieces of the same kind mutually attacked are immobilized. |
| 3 | |
| 4 | p. |
| 5 | Two pieces of the same kind which both attack the other are paralysed. |
| 6 | They cannot move and they don't give check. |
| 7 | This rule also applies to kings, which would then stay in the same position |
| 8 | until the end of the game. |
| 9 | |
| 10 | figure.diagram-container |
| 11 | .diagram |
| 12 | | fen:bN2kq1r/p1pp4/2n2Qpr/4RpNp/1pPb1P1P/P2K2P1/1P1R1B2/7B: |
| 13 | figcaption e5 rook is safe and give check. 1...Kd8 is possible. |
| 14 | |
| 15 | p. |
| 16 | The diagram look like a checkmate because both black knight and bishop are |
| 17 | immobilized, but since the queens are paralysed the king can escape to d8. |
| 18 | |
| 19 | h3 Source |
| 20 | |
| 21 | p |
| 22 | | This variant appears on a number of web pages, like |
| 23 | a(href="https://echekk.fr/spip.php?page=article&id_article=1") this one |
| 24 | | or the |
| 25 | a(href="https://en.wikipedia.org/wiki/Madrasi_chess") Wikipedia page |
| 26 | | . |
| 27 | |
| 28 | p Inventor: Abdul J. Karwathar (1979) |