The Global Opening arises after 1.h3 e5 2.a3. ECO code: A00.

Overview

This exceedingly rare opening sees White play two non-developing pawn moves on the first two turns, effectively passing the initiative entirely to Black. The name "Global" alludes to the wide-open nature of the game that follows, as White has committed to no specific plan whatsoever.

Strategic Themes & Plans

White has wasted two tempi on flank pawn moves that contribute nothing to development or central control. Black should occupy the centre aggressively with moves like ...d5, ...Nf6, and ...Bc5 or ...Bb4. White's only compensation is complete flexibility—the game can transpose into virtually any opening system depending on White's subsequent choices. This is not recommended for serious play, as Black achieves a clear advantage with any natural developing scheme.