| 1 | p.boxed. |
| 2 | Rook and bishop can fusion to become a queen, if the queen disappeared. |
| 3 | |
| 4 | p. |
| 5 | If a side lacks a queen, then a special fusion move is allowed by "capturing" |
| 6 | a rook with a bishop (and conversely). |
| 7 | The result of the capture is a queen, hence the variant name. |
| 8 | |
| 9 | figure.diagram-container |
| 10 | .diagram.diag12 |
| 11 | | fen:1R6/1pr2k2/p1p1p2p/3p3p/2nP3P/1NP3P1/PPK1P3/2R3B1: |
| 12 | .diagram.diag22 |
| 13 | | fen:1R6/1pr2k2/p1p1p2p/3p3p/2nP3P/1NP3P1/PPK1P3/6Q1: |
| 14 | figcaption Left: before Rxg1=Q. Right: after the move. |
| 15 | |
| 16 | h3 Source |
| 17 | |
| 18 | p |
| 19 | | This variant is |
| 20 | a(href="https://www.chessvariants.com/play/erf/CoronatC.html") mentioned here |
| 21 | | . |