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Fix rare pinned en passant issue #18

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pdil opened this issue Apr 27, 2024 · 0 comments · Fixed by #21
Closed

Fix rare pinned en passant issue #18

pdil opened this issue Apr 27, 2024 · 0 comments · Fixed by #21
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bug A bug or issue that should be resolved
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1.0.0

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pdil commented Apr 27, 2024 •
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In the following position, ChessKit allows white to capture black's pawn en passant even though that would put the white king in check.

The FEN for an example of this issue is:
1nbqkbnr/1pp1pppp/8/r1Pp3K/p7/5P2/PP1PP1PP/RNBQ1BNR w k d6 0 8
@pdil pdil added the bug A bug or issue that should be resolved label Apr 27, 2024
@pdil pdil self-assigned this Apr 27, 2024
@pdil pdil added this to the 1.0.0 milestone Apr 27, 2024
@pdil pdil pinned this issue Apr 27, 2024
@pdil pdil mentioned this issue Apr 30, 2024
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@pdil pdil closed this as completed in #21 Apr 30, 2024
pdil added a commit that referenced this issue Apr 30, 2024
@pdil
Resolve rare en passant bug (#21)
ed182a5 
* Added en passant step to move validation to prevent en passant moves
that leave the king in check.
* For an example of such a position see:
`1nbqkbnr/1pp1pppp/8/r1Pp3K/p7/5P2/PP1PP1PP/RNBQ1BNR w k d6 0 8`

fixes #18
@pdil pdil unpinned this issue Aug 3, 2024
@pdil pdil pinned this issue Aug 3, 2024
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Resolve rare en passant bug chesskit-app/chesskit-swift
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