static ChessPieceProfile1 chessOCR_pieceProfileFromRawImage_v2(BufferedImage img, O... _) {
  optPar bool withPreprocessedImages;
  
  BWImage bw = chessOCR_piecePreprocessing_1(img, _);
  BWImage bw2 = chessOCR_piecePreprocessingForFillGrade_1(img);
  ChessPieceProfile1 profile = new(
    ocr_sideProfile_scaledTo127(20, 0.5, bw),
    1f-bwAverageBrightness(bw2));
  if (withPreprocessedImages)
    profile.preprocessedImages = ll(bw, bw2);
  ret profile;
}

Began life as a copy of #1024741