2 | Each player has a knight in pocket, which can be dropped at any moment.
5 To use your pocket knight, "capture" the enemy king with yours,
6 and then click on any empty square.
8 figure.diagram-container
10 | fen:r1bqkbnr/ppNnpppp/2p5/3p4/2PP1B2/8/PP2PPPP/RN1QKBNR:
11 figcaption After N@c7+, black must give the queen.
16 a(href="https://www.chessvariants.com/other.dir/pocket.html")
18 | on chessvariants.com.