Of uncertain origin, but probably from German Patzer (“bungler”), from patzen.
patzer (plural patzers)
- (chess, informal, derogatory) Synonym of woodpusher: a bad player.
- 2004, Nigel Short, The Sunday Telegraph, 5 Sep 2004:
- If you have learned the principle that it is inadvisable to move the same piece twice in the opening you would probably imagine that these guys are patzers.