lichess-org / dartchess

Dart chess library for native platforms
https://pub.dev/packages/dartchess
GNU General Public License v3.0
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Impossible check align en passant capture #14

Open veloce opened 1 year ago

veloce commented 1 year ago

This position cannot be reached by standard chess from initial position:

id align-ep
epd 8/8/8/1k6/3Pp3/8/8/4KQ2 b - d3
perft 1 6
perft 2 121
perft 3 711

When dartchess supports optional validity requirements, it should be able to validate that perft.