Tree path 2 levels King's Pawn Game › St. George Defense
- Chess Codex
- King's Pawn Game B00
- St. George Defense B00 you are here
St. George Defense
Overview
St. George 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.
It is reached after 2 plies of play, with the move sequence 1. e4 a6.
It branches immediately from King's Pawn Game in the opening tree.
3 named variations grow from this line, including Polish Variation, San Jorge Variation, 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. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
3,658,441 games · White 50.1% / Draw 4.1% / Black 45.8%
| Moves | Games | W / D / B |
|---|---|---|
| d4 | 1,779,770 | |
| Nf3 | 1,022,074 | |
| Bc4 | 268,956 | |
| f4 | 180,569 | |
| Nc3 | 168,364 | |
| d3 | 58,266 | |
| c4 | 30,542 | |
| a4 | 30,275 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:49:59
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