The Checkmates, Ltd. were an American R&B group from Fort Wayne, Indiana. The group, discovered by Nancy Wilson, was named such because the group included both black and white members, and their various skin tones evoked a chessboard; their one major hit was 1969's "Black Pearl", produced by Phil Spector. The song peaked at No. 13 on the U.S. pop chart. Their remake of "Proud Mary" reached No. 30 on the UK Singles Chart in late 1969. The group broke... [more on Wikipedia]