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kokopu

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A JavaScript/TypeScript library implementing the chess game rules and providing tools to read/write the standard chess file formats.

www.npmjs.com/package/kokopu

yo35/kokopu

50 lines (49 loc) • 1.76 kB
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Event = {Game with variations} [start] -+<LONG [1w] (1w) e4 (#hm=0) [1b] (1b) e5 (#hm=0) | [1b-v0-start] +---+ [1b-v0-1b] | (1b) e6 (#hm=0) $18 | [2w] (2w) Nf3 (#hm=1) [2b] (2b) Nc6 (#hm=2) [3w] (3w) Bb5 (#hm=3) | [3w-v0-start] +---+ {Italian game:} [3w-v0-3w] | (3w) Bc4 (#hm=3) [3w-v0-3b] | (3b) Bc5 (#hm=4) | [3w-v1-start] +---+ [3w-v1-3w] | (3w) d4 (#hm=0) [3w-v1-3b] | (3b) exd4 (#hm=0) [3w-v1-4w] | (4w) Nxd4 (#hm=0) | | [3w-v1-4w-v0-start] | +---+ $42 [3w-v1-4w-v0-4w] | | (4w) Bc4 (#hm=1) $5 [3w-v1-4w-v0-4b] | | (4b) Nf6 (#hm=2) $13 | | [3w-v1-4b] | (4b) Bc5 (#hm=1) | [3b] (3b) a6 (#hm=0) [4w] (4w) Bxc6 (#hm=0) [4b] (4b) dxc6 (#hm=0) +---+---+---+---+---+---+---+---+ | r | | b | q | k | b | n | r | +---+---+---+---+---+---+---+---+ | | p | p | | | p | p | p | +---+---+---+---+---+---+---+---+ | p | | p | | | | | | +---+---+---+---+---+---+---+---+ | | | | | p | | | | +---+---+---+---+---+---+---+---+ | | | | | P | | | | +---+---+---+---+---+---+---+---+ | | | | | | N | | | +---+---+---+---+---+---+---+---+ | P | P | P | P | | P | P | P | +---+---+---+---+---+---+---+---+ | R | N | B | Q | K | | | R | +---+---+---+---+---+---+---+---+ w KQkq - {Draw}{8 plies}