Indian Defense: Gibbins-Weidenhagen Gambit

An entry in the Encyclopedia of Chess Openings (ECO A45), reached after 3 half-moves: 1. d4 Nf6 2. g4.

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2…Nxg4 2 lines
- A45 Maltese Falcon
- A45 Stummer Gambit
2…e5 1 line
- A45 Oshima Defense

About this opening

Indian Defense: Gibbins-Weidenhagen Gambit is an opening in the Encyclopedia of Chess Openings, classified under code A45. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 3 half-moves from the starting position, with the move sequence 1. d4 Nf6 2. g4.

It belongs to the Indian Defense family. Within that family this is a sub-variation (the Gibbins-Weidenhagen Gambit line).

The opening sequence in prose form: 1.d4 Nf6, 2.g4. From this position 2 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.