The Herrstroem Gambit arises after 1.Nf3 g5 in the Réti Opening. ECO code: A04.

Overview

This eccentric reply to 1.Nf3 offers the g-pawn immediately, aiming for wild tactical play on the kingside. It mirrors certain ideas from the Borg Defence (1.e4 g5) and Grob\'s Attack.

Strategic Themes & Plans

White can simply accept the pawn with 2.Nxg5, obtaining a clear advantage, or decline with 2.d4 or 2.e4, seizing the centre while Black's flank advance proves useless. The gambit is objectively unsound and is not seen in serious competition.