| 1 | p.boxed. |
| 2 | Pieces can capture both colors. |
| 3 | |
| 4 | p. |
| 5 | This can be useful to open lines for attack, and it also eliminate |
| 6 | back rank mate threats for example. |
| 7 | On the diagram 1.Qh5 is possible because 1...Ra1+ 2.Kxh2. |
| 8 | |
| 9 | figure.diagram-container |
| 10 | .diagram.diag12 |
| 11 | | fen:r5k1/5ppp/8/6N1/8/8/6PP/3Q3K: |
| 12 | .diagram.diag22 |
| 13 | | fen:r5k1/5ppp/8/6NQ/8/8/6PP/7K: |
| 14 | figcaption Before and after 1.Qh5 |
| 15 | |
| 16 | h3 Source |
| 17 | |
| 18 | p |
| 19 | |This variant is mentioned in |
| 20 | a(href="https://www.jsbeasley.co.uk/encyc.htm") |
| 21 | | The Classified Encyclopedia of Chess Variants |
| 22 | | . |
| 23 | |
| 24 | p Inventor: L. Tabi (1971) |