Tree path 4 levels King's Pawn Game › Modern Defense › Modern Defense › Geller's System
- Chess Codex
- King's Pawn Game B00
- Modern Defense B06
- Modern Defense B06
- Geller's System B07 you are here
Modern Defense: Geller's System
Overview
Modern Defense: Geller's System 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.
Play reaches this position via 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3, after 7 plies of opening development.
In the opening tree, this line branches off from Modern 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
- Modern 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
1,608,415 games · White 46.2% / Draw 5.1% / Black 48.6%
| Moves | Games | W / D / B |
|---|---|---|
| Nf6 | 721,004 | |
| Nd7 | 199,626 | |
| Nc6 | 178,435 | |
| Bg4 | 162,966 | |
| c6 | 86,460 | |
| a6 | 70,963 | |
| e6 | 53,101 | |
| b6 | 35,156 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:34:01
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Submissions are reviewed before publishing.