A02

Bird Opening: Siegener Gambit

1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3

The Bird Opening: Siegener Gambit is a chess opening classified under ECO code A02. It is reached after the moves 1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3.

It belongs to the Bird Opening family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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