Chessda

Borg Defense

The Borg Defense (ECO A40–B00) is a chess opening that begins 1. e4 g5.

Borg Defense — after 1. e4 g5

The main line

The Borg Defense is reached by 1. e4 g5 (ECO B00). It's one of 5 named lines under this opening in the book.

Named variations (3)

  • Borg Gambit — 1. d4 g5 (A40)
  • Zilbermints Gambit — 1. e4 g5 2. d4 e5 (B00)
  • Troon Gambit — 1. e4 g5 2. d4 h6 3. h4 g4 (B00)

Analyze the Borg Defense

Play through this opening on the free analysis board, or review one of your own gamesto see how accurately you handled it — every move classified, with the engine's best line on each mistake.

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