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Interactive Chess Opening Atlas

Explore theory, visualize transpositions, and master the board with our dynamic map.

Open Interactive Atlas

Complete Theory

Explore an infinite tree of moves with official ECO codes.

Real Statistics

Based on millions of games to know the viability of each line.

Strategic Profile

Aggressiveness, Win Rate, and playing style calculated in real-time.

Explore Major Openings

Click on any opening to view it on the map and analyze its theory.

Explore popular variations
B20-B99

Sicilian Defense

1. e4 c5

C60-C99

Ruy Lopez (Spanish Opening)

1. e4 e5 2. Nf3 Nc6 3. Bb5

D06-D69

Queen's Gambit

1. d4 d5 2. c4

B10-B19

Caro-Kann Defense

1. e4 c6

E60-E99

King's Indian Defense

1. d4 Nf6 2. c4 g6

C50-C59

Italian Game

1. e4 e5 2. Nf3 Nc6 3. Bc4

C00-C19

French Defense

1. e4 e6

A10-A39

English Opening

1. c4

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