2 | Any piece guarded by a friendly knight can also move like a knight.
5 In addition to its normal abilities, a piece guarded by a knight can move like him.
6 On the following diagram, 1.Nf4 would checkmate because it guard the g6 queen.
7 If it is black to play, then 1...Rxe2 is forbidden because of the knight
8 immunity exception. Exceptions to the orthodox rules are the following:
11 li Knights cannot capture or be captured.
12 li Kings cannot be knight-relayed.
13 li Pawns cannot give check on last rank or promote with knight-relay.
15 p These oddities excepted, orthodox rules apply.
17 figure.diagram-container
19 | fen:7k/8/6Q1/1n6/8/2r5/4N3/K7:
24 | These are the original N-relay or Knight-relay rules, described for example
25 a(href="https://www.chessvariants.com/diffmove.dir/nrelay.html") on this page
26 | . See also Knightrelay2.
28 p Inventor: Mannis Charosh (1972)