Opening Library
Every opening worth knowing — from the Italian Game and Caro-Kann to the Stafford Gambit and the Grob. Each one has its own page with video lessons, key ideas, and common mistakes.
Alapin Opening
1.e4 c5 2.c3 — the most popular anti-Sicilian. Skip the theory of the Open Sicilian, build a strong center with d4.
Alapin Sicilian
White's 2.c3 against the Sicilian. Skips the deep theory of the Open Sicilian and builds a classical center with d4.
Berlin Defense
Ruy Lopez with 3...Nf6 — the famous "Berlin Wall" used by Kramnik to neutralize Kasparov. Leads to a tough, slightly drawish endgame.
Bogo-Indian Defense
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ — Nimzo-Indian style pin against the white knight on f3. Solid and flexible.
Caro-Kann Defense
The solid alternative to the French: 1.e4 c6 preparing ...d5. Black gets a strong pawn structure and active light-squared bishop.
Catalan Opening
The Catalan combines a Queen's Gambit setup with a fianchetto bishop on g2. Long-term pressure, technical positions, world championship favorite.
Colle System
A simple system for White: d4, Nf3, e3, c3, Bd3, Nbd2. Easier than the London but slightly less flexible.
English Opening
1.c4 — a flexible flank opening that can transpose into many setups. Favored by world champions Botvinnik, Karpov, and Kramnik.
French Defense
1.e4 e6 — Black builds a solid pawn chain with ...d5 and counterattacks on the queenside. Closed positions, deep strategy.
London System
The Bf4 system: play d4, Nf3, Bf4, e3, Bd3, c3, Nbd2 against almost any Black response. Easy to learn, very hard to crack.
Nimzo-Indian Defense
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 — pin the knight, ruin White's pawn structure, play strategically. The most respected defense to 1.d4.
Petrov Defense
1.e4 e5 2.Nf3 Nf6 — Black mirrors White's attack on the e-pawn. Extremely solid, slightly drawish, played by elite GMs.
Philidor Defense
1.e4 e5 2.Nf3 d6 — old-school solid defense. Cramped but hard to break, especially via the Hanham Variation.
Queen's Gambit
The cornerstone of classical chess: 1.d4 d5 2.c4. White offers a pawn for central control. Featured in The Queen's Gambit Netflix series.
Queen's Gambit Declined
Black holds the center: 1.d4 d5 2.c4 e6. The most solid response to the Queen's Gambit. Played by every world champion.
Queen's Indian Defense
1.d4 Nf6 2.c4 e6 3.Nf3 b6 — fianchetto the queen's bishop and contest the long diagonal. Solid, drawish, classical.
Reti Opening
1.Nf3 with a flexible kingside fianchetto. Hypermodern attack on the center from the flanks.
Slav Defense
1.d4 d5 2.c4 c6 — the rock-solid Slav. Black holds d5, develops the c8 bishop, and fights for equality.