Of note, the chess move by Weasley in Harry Potter and the Sorcerer's Stone is and has been analyzed by Chess Grandmasters on Youtube. Hilarious. But apparently is was a master move to sacrifice himself.
and now for something you folks probably have not seen. video goes great with the song. you're welcome
they cut out the death scene. you have to surf the web a bit to locate the Director's Cut, but it's out there