Opening Explorer

Browse 520 openings by style, theory depth, and win rate.

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Openings we're reading
Easy to learn, hard to break
London System

One setup for almost any Black response. Low theory, deep middlegame plans, and the system you'll see across every rating range.

d4 d5 Nf3 Nf6…Open guide →
Counterpunch classic
King's Indian Defense

Let White grab the center, then strike with f5, g5, and a kingside avalanche. Pure attacking energy from move one.

d4 Nf6 c4 g6…Open guide →
Side
First move
Theory
Sharpness
520 openingsSorted by popularity
Sicilian Defense position
Sicilian Defense1. e4 c5 2. Nf3
51.4% White6%42.6% Black
1.2M gamesTheory 42
BlackDynamic
Sicilian Defense position
Sicilian Defense1. e4 c5 2. Nf3 d6 3. d4
50.8% White6.8%42.4% Black
1.2M gamesTheory 58
BlackDynamic
French Defense position
French Defense1. e4 e6 2. d4 d5
47% White6%47% Black
890K gamesTheory 36
BlackBalanced
Caro-Kann Defense position
Caro-Kann Defense1. e4 c6 2. Nc3
39% White5.8%55.2% Black
780K gamesTheory 32
BlackBalanced
Caro-Kann Defense position
Caro-Kann Defense1. e4 c6 2. Nc3 d5
39.2% White6%54.8% Black
780K gamesTheory 36
BlackBalanced
Caro-Kann Defense position
Caro-Kann Defense1. e4 c6 2. d4
39.8% White5.8%54.4% Black
780K gamesTheory 32
BlackBalanced
Caro-Kann Defense position
Caro-Kann Defense1. e4 c6 2. d4 d5
40% White6%54% Black
780K gamesTheory 36
BlackBalanced
Caro-Kann Defense position
Caro-Kann Defense1. e4 c6 2. d4 d5 3. Nc3
40.8% White6.6%52.6% Black
780K gamesTheory 48
BlackBalanced
Slav Defense position
Slav Defense1. d4 d5 2. c4 c6 3. Nc3
48% White6.7%45.3% Black
520K gamesTheory 48
Black