Grünfeld Defense: Three Knights, Petrosian System (D91)

D91 · Chess Openings Reference Guide
Openings Directory / Grünfeld Defense: Three Knights Variation / Grünfeld Defense: Three Knights, Petrosian System

Target Position

♜ ♛ ♚ ♝ ♜ ♟ ♟ ♟ ♟ ♟ ♟ ♞ ♞ ♟ ♟ ♟ ♝ ♞ ♟ ♟ ♟ ♟ ♟ ♟ ♝ ♟ ♜ ♞ ♝ ♛ ♚ ♜
Engine Eval: +0.07

Master Game Statistics

Based on master-level chess games in the database.

White Wins: 38.3% Draws: 27.9% Black Wins: 33.8%

Strategic Overview

The Grünfeld Defense: Three Knights, Petrosian System (ECO code D91) is a key chess opening. From the starting board position, it is defined by the following move sequence:

Move Sequence (SAN)
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
UCI Move Path
d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1g5
Repertoire Training

Import this opening directly into your client-side repertoires to drill or review using spaced repetition.

Internal Navigation

Parent Opening

This line is a variation of the main parent opening:

Grünfeld Defense: Three Knights Variation (D90)