On: Show HN: Blunderchess.net – blunder for your opponent every five moves

[elif]

Accepted someone's challenge then they gave up after turn 5.

This has the age old probably in online chess of people abandoning games and even accounts to preserve their ego

[TZubiri → elif]

Author may be able to adapt stockfish to play this variant

[eviledamame → elif]

Very true!