WMG: Harry Potter and the Goblet of Fire
The 1792 Triwizard Tournament which was cancelled was before the Goblet of Fire and "binding magical contract" were introduced
Thus none of the contestants died from breach of contract.
The obligatory one.
After his encounter with Voldemort, Cedric was found by Carlisle Cullen and turned into a vampire
The binding magical contract is not fatal
Rather, the way the contract forces students to follow through is by magically ensuring that it never occurs to any of them that they could