2 | Click on an empty square to start the game.
3 | The first player unable to move the knight loses.
6 White puts a knight on any square of an empty chessboard.
7 Black moves the knight, and its initial square vanish:
8 the knight will no longer be able to land on that square.
9 Play alternates, always with the vanishing initial square condition.
10 The first player unable to make a move loses.
12 figure.diagram-container
14 | fen:3xx2x/1x1xNxx1/2xxxxxx/xxxxxx2/2xxxxx1/x1xxxx2/1xxxxx2/1x2xx2 g8,c8:
15 figcaption Ng8 wins, but Nc8 loses because it allows Na7.
18 | Note about the name: when the game ends, the knight has walked on an
19 a(href="https://en.wikipedia.org/wiki/Hamiltonian_path") Hamiltonian path
20 | considering the subgraph formed by all the removed squares
21 | plus the final square.
24 | Inventor: David Silverman (1971) according to
25 a(href="https://www.jsbeasley.co.uk/encyc.htm")
26 | The Classified Encyclopedia of Chess Variants
27 | . The game idea is probably quite older.