Tree path 6 levels King's Pawn Game › Pirc Defense › Pirc Defense › Pirc Defense › Pirc Defense › Byrne Variation
- Caissa Codex
- King's Pawn Game B00
- Pirc Defense B00
- Pirc Defense B00
- Pirc Defense B00
- Pirc Defense B07
- Byrne Variation B07 you are here
Pirc Defense: Byrne Variation
Overview
Pirc Defense: Byrne Variation is a named branch in the Semi-Open Games group of chess theory, classified under ECO B07.
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 7 plies of play, with the move sequence 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5.
In the opening tree, this line branches off from Pirc Defense, part of the broader King's Pawn Game system.
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
- B07
- Group
- Semi-Open Games (B)
- Plies
- 7
- Parent
- Pirc Defense
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
1,618,788 games · White 52.1% / Draw 4.5% / Black 43.4%
| Moves | Games | W / D / B |
|---|---|---|
| Bg7 | 1,444,375 | |
| h6 | 68,732 | |
| c6 | 62,744 | |
| Nbd7 | 32,943 | |
| a6 | 3,261 | |
| Nc6 | 1,502 | |
| Nfd7 | 1,146 | |
| c5 | 1,046 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:34:03
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