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Add Board.gives_checkmate() #1168

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11 changes: 11 additions & 0 deletions chess/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1980,6 +1980,17 @@ def gives_check(self, move: Move) -> bool:
finally:
self.pop()

def gives_checkmate(self, move: Move) -> bool:
"""
Probes if the given move would put the opponent in checkmate. The move
must be at least pseudo-legal.
"""
self.push(move)
try:
return self.is_checkmate()
finally:
self.pop()

def is_into_check(self, move: Move) -> bool:
king = self.king(self.turn)
if king is None:
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