Pawn moves

Sources/Engine/Pieces/Bishop.swift

@@ -26,7 +26,13 @@ final class Bishop: Piece, DiagonalMoves {
 					let piece = square.piece
 				{
 					if piece.color != color {
-						delegate?.notify(.piecePinned(from: self, on: piece))
+						if let king = piece as? King {
+							delegate?.notify(.kingInCheck(self, on: king))
+							legalPositions.removeLast()
+						} else {
+							delegate?.notify(
+								.piecePinned(from: self, on: piece))
+						}
 						last = position
 					}
 				}
@@ -35,7 +41,12 @@ final class Bishop: Piece, DiagonalMoves {
 	}
 
 	override func isLegal(on pos: Square.Position) -> Bool {
-		super.isLegal(on: pos)
+		if let s = delegate?.getSquareInfo(on: pos), let p = s.piece,
+			p.color == color
+		{
+			return false
+		}
+		return true
 	}
 
 	init(with color: Color, on position: Square.Position) {