Whats the worst opening ?

I actually HATE QUEEN’S GAMBIT.

"Caro-Kann : Accelerated Panov Attack, Pseudo-Scandinavian." it's just dumb for a theory.

On Wikibooks, On the e4 e5 Nf3 page is says the Mayet Gambit is Qh4 lol.

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I suppose wayward queen is probably a good one if you're very altruistic. It cheers the opponent enormously. The problem with wayward queen is that there are basically two outcomes. If you make a mistake (and it has a huge number of mistakes just waiting to be made) then after 8 moves you have no queen anymore with which to be wayward. If you're ultra-careful and play wayward queen really, really well, then after 10 moves you are one pawn up (having successfully removed the pawn that would otherwise prevent your opponent from lining up a rook straight down the middle of the board at your terrified king), and your queen, having visited nearly every square on the board, is now stuck at the side somewhere, breathing a sigh of relief. No other white piece has moved. Meanwhile black has developed all of their minor pieces, castled, and built a decent pawn structure... and with little thought or planning needed, because every single black move was provoked by simple, rampant queen-chasing.