Chess Sudoku Puzzles

"The digits 1-8 and a chess piece in each row, column, and region. Each piece should attack the numbers 1-8 exactly once."

PUZZLE 1:

PUZZLE 2: PUZZLE 3:

Credit: http://www.toothycat.net/wiki/wiki.pl?PeterTaylor/ChessSudoku

Also check out: http://www.chessdoku.com/ (however, this link only replaces numbers with chess pieces, rather than combining them). Great for kids!