| 1 | p.boxed |
| 2 | | Any piece guarded by a friendly knight can also move like a knight. |
| 3 | |
| 4 | p. |
| 5 | In addition to its normal abilities, a piece guarded by a knight can move |
| 6 | like him. On the following diagram, 1.Nf4 would checkmate because it guard |
| 7 | the g6 queen. If it is black to play, then 1...Rxe2 is possible due to the |
| 8 | c8 knight. |
| 9 | |
| 10 | figure.diagram-container |
| 11 | .diagram |
| 12 | | fen:7k/8/6Q1/1n6/8/2r5/4N3/K7: |
| 13 | |
| 14 | p. |
| 15 | A pawn on the sixth rank guarded by a knight could thus make a knight move to |
| 16 | reach the last rank and promote. |
| 17 | |
| 18 | p These oddities excepted, orthodox rules apply. |
| 19 | |
| 20 | h3 Source |
| 21 | |
| 22 | p |
| 23 | | The original rule invented by Mannis Charosh (1972) is described for |
| 24 | | example |
| 25 | a(href="https://www.chessvariants.com/diffmove.dir/nrelay.html") on this page |
| 26 | | . However, I don't really like the invulnerability condition and the |
| 27 | | restrictions imposed in these rules, so I implemented this simpler version. |