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Query: Obtaining state of check and/or checkmate from Position #13

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Epigene opened this issue Jan 14, 2018 · 0 comments

Epigene commented Jan 14, 2018

Hi again!

I find myself in need of obtaining check and checkmate status information from chess positions.

It would be great if I could do

fen = PGN::FEN.new("r1bk3r/p2pBpNp/n4n2/1p1NP2P/6P1/3P4/P1P1K3/q5b1 b - - 1 22")
position = fen.to_position
position.features #=> {side_in_check: "white"} or {side_in_checkmate: "black"} etc.

Seeing how this gem implements play logic, I imagine such functionality either exists or you could point me in the direction of writing it up.

Thanks!

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