Tree path 2 levels King's Pawn Game › Borg Defense
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B00

Borg Defense

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Overview

Borg Defense is a named branch in the Semi-Open Games group of chess theory, classified under ECO B00.

The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.

The line arises from 2 plies — specifically the moves 1. e4 g5.

It branches immediately from King's Pawn Game in the opening tree.

3 named variations grow from this line, including Borg Gambit, Troon Gambit, Zilbermints Gambit.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.

ECO code
B00
Group
Semi-Open Games (B)
Plies
2
Parent
King's Pawn Game
Direct variations
3

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (3)