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+p.boxed
+ | Each player has a knight in pocket, which can be dropped at any moment.
+
+p.
+ To use your pocket knight, "capture" the enemy king with yours,
+ and then click on any empty square.
+
+figure.diagram-container
+ .diagram
+ | fen:r1bqkbnr/ppNnpppp/2p5/3p4/2PP1B2/8/PP2PPPP/RN1QKBNR:
+ figcaption After N@c7+, black must give the queen.
+
+h3 Source
+
+p
+ a(href="https://www.chessvariants.com/other.dir/pocket.html")
+ | Pocket Knight
+ | on chessvariants.com.