Benko Gambit Declined: Sosonko Variation (A57)

A57 · Chess Openings Reference Guide
Openings Directory / Benko Gambit / Benko Gambit Declined: Sosonko Variation

Target Position

♜ ♞ ♝ ♛ ♚ ♝ ♞ ♜ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♞ ♟ ♟ ♟ ♟ ♟ ♜ ♞ ♝ ♛ ♚ ♝ ♜
Engine Eval: +0.00

Master Game Statistics

Based on master-level chess games in the database.

White Wins: 42.7% Draws: 25.9% Black Wins: 31.4%

Strategic Overview

The Benko Gambit Declined: Sosonko Variation (ECO code A57) 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 c5 3. d5 b5 4. cxb5 a6 5. b6
UCI Move Path
d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5b6
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:

Benko Gambit (A57)

Sub-variations & Next Lines

Select a variation to view specific move paths, engine evaluations, and stats: