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.
Accelerated Dragon
Black fianchettoes immediately with ...g6 before playing ...d6. Avoids the Yugoslav Attack but allows the Maroczy Bind.
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.
Alekhine Defense
1.e4 Nf6 — provoke White's pawns forward, then attack them. Pure hypermodernism.
Alien Gambit
A modern internet-famous gambit against the Caro-Kann. Sacrifices material for a fierce attack — mostly a surprise weapon.
Benko Gambit
1.d4 Nf6 2.c4 c5 3.d5 b5!? — sacrifice a pawn for long-term queenside pressure. Easy to play, hard to refute.
Benoni Defense
1.d4 Nf6 2.c4 c5 3.d5 e6 — asymmetric structure, dynamic play, kingside fianchetto, queenside counterplay.
Berlin Defense
Ruy Lopez with 3...Nf6 — the famous "Berlin Wall" used by Kramnik to neutralize Kasparov. Leads to a tough, slightly drawish endgame.
Bird Opening
1.f4 — the From-the-side opening. Aims for kingside attack but weakens White's king slightly.
Bishop's Opening
1.e4 e5 2.Bc4 — develops the bishop early to its best diagonal, often transposing into the Italian or Vienna.
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.
Center Game
1.e4 e5 2.d4 exd4 3.Qxd4 — old-fashioned but playable. Recapture with the queen and develop quickly.
Colle System
A simple system for White: d4, Nf3, e3, c3, Bd3, Nbd2. Easier than the London but slightly less flexible.
Danish Gambit
1.e4 e5 2.d4 exd4 3.c3!? — sacrifice up to two pawns for raging attack down the e- and d-files.
Dragon Sicilian
Sharp Sicilian variation: Black fianchettoes the king's bishop on g7 and attacks the queenside while White attacks the kingside in opposite-side castling battles.
Dutch Defense
1.d4 f5 — fight for the e4 square and prepare a kingside attack. Three main systems: Stonewall, Leningrad, Classical.
Elephant Gambit
1.e4 e5 2.Nf3 d5!? — refuted in serious play but a fun online surprise weapon. Sacrifices a pawn for chaos.
English Opening
1.c4 — a flexible flank opening that can transpose into many setups. Favored by world champions Botvinnik, Karpov, and Kramnik.
Evans Gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4!? — sacrifice the b-pawn to gain tempo, build a powerful center, and attack.
Fantasy Variation
White's tricky 1.e4 c6 2.d4 d5 3.f3 against the Caro-Kann. Builds a big center and avoids mainline theory.
Four Knights Game
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 — symmetrical and easy to play. Both sides develop knights before committing.
French Defense
1.e4 e6 — Black builds a solid pawn chain with ...d5 and counterattacks on the queenside. Closed positions, deep strategy.
Fried Liver Attack
The most famous beginner trap: after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5? 6.Nxf7! — sacrifices a knight to drag the king to the open board.
Giuoco Piano
The "quiet game" branch of the Italian: 4.c3 followed by d3, Nbd2, slow buildup, then break with d4.
Grob Opening
1.g4!? — almost universally considered bad, but a notorious surprise weapon online. Trick or be tricked.
Grünfeld Defense
1.d4 Nf6 2.c4 g6 3.Nc3 d5 — let White build the giant center, then dismantle it with piece pressure.
Italian Game
A classical opening starting 1.e4 e5 2.Nf3 Nc6 3.Bc4. Develops naturally, fights for the center, and aims at the f7 weakness. The most beginner-friendly serious opening.
Jaenisch Gambit
Ruy Lopez with 3...f5!? — Black sacrifices a pawn for sharp counterplay and an open f-file.
Jobava London
The aggressive London cousin: 1.d4 d5 2.Nc3 Nf6 3.Bf4. Sacrifices solidity for kingside attacking chances.
King's Gambit
The romantic-era classic: 1.e4 e5 2.f4. White sacrifices a pawn to rip open the f-file and attack the king.
King's Indian Defense
1.d4 Nf6 2.c4 g6 — let White build the center, then attack it with ...e5 or ...c5. Hypermodern, double-edged, beloved by attacking players.
Latvian Gambit
1.e4 e5 2.Nf3 f5!? — the King's Gambit reversed. Wildly aggressive but objectively bad.
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.
Modern Defense
1.e4 g6 — fianchetto first, decide the central setup later. Flexible and offbeat.
Najdorf Sicilian
The most respected Sicilian variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6. Played by Fischer and Kasparov. Massive theory, flexible plans.
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.
Nimzo-Larsen Attack
1.b3 — fianchetto the queen's bishop and attack the center from the flank. Played by Larsen and Carlsen.
Nimzowitsch Defense
1.e4 Nc6 — develop a knight first and stay flexible. Often transposes into Pirc-like setups.
Owen's Defense
1.e4 b6 — fianchetto the queen's bishop, surprise weapon. Rare but tricky.
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.
Pirc Defense
1.e4 d6 2.d4 Nf6 3.Nc3 g6 — Black lets White build a big center, then attacks it. Hypermodern philosophy.
Polish Opening
1.b4 — also called the Orangutan or Sokolsky. Grabs queenside space with a quirky pawn move.
Ponziani Opening
1.e4 e5 2.Nf3 Nc6 3.c3 — old-school surprise weapon that prepares d4 and sets several tactical traps.
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 Accepted
Black takes the c4 pawn (1.d4 d5 2.c4 dxc4) and plans active development. White recovers the pawn easily but the position is balanced.
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.
Rousseau Gambit
Italian Game with 3...f5 — Black sacrifices a pawn for active play and to avoid Italian theory.
Ruy Lopez
One of the oldest and deepest openings in chess: 1.e4 e5 2.Nf3 Nc6 3.Bb5. White pressures the e5 pawn and plays for long-term positional advantage.
Scandinavian Defense
1.e4 d5 — challenge the e4 pawn immediately. Easy to learn, tough to play against if your opponent isn't prepared.
Scheveningen Sicilian
The "small center" Sicilian: Black plays ...e6 and ...d6 with flexible piece development. Often reached via Najdorf move orders.
Scotch Game
Open lines fast: 1.e4 e5 2.Nf3 Nc6 3.d4. White trades the d-pawn for active piece play and a clear plan.
Semi-Slav Defense
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 — the fighting Slav. Combines solid structure with sharp counterplay (Meran, Botvinnik, Anti-Meran).
Sicilian Defense
1.e4 c5 — the most popular and combative response to 1.e4. Black fights for d4 and creates an asymmetric battle. Favored by Kasparov, Carlsen, and most attacking players.
Slav Defense
1.d4 d5 2.c4 c6 — the rock-solid Slav. Black holds d5, develops the c8 bishop, and fights for equality.
Smith-Morra Gambit
1.e4 c5 2.d4 cxd4 3.c3!? — White sacrifices a pawn to dodge Sicilian theory and get fast development.
Stafford Gambit
1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6!? — internet-famous trap-laden gambit popularized by Eric Rosen. Wins games against unprepared opponents.
Stonewall Attack
White builds a pawn wall on d4, e3, f4 and attacks with Ne5 and Qh5. Strategic but committal.
Tarrasch Defense
1.d4 d5 2.c4 e6 3.Nc3 c5 — Black accepts an isolated queen's pawn for active piece play and open lines.
Torre Attack
1.d4 Nf6 2.Nf3 e6 3.Bg5 — the dark-squared sister of the London. Pin the f6 knight and play flexibly.
Traxler Counterattack
After 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 — Black plays 4...Bc5!? sacrificing material for a vicious attack on f2.
Trompowsky Attack
1.d4 Nf6 2.Bg5 — immediate pressure on the f6 knight. Avoids tons of Black's d4 theory.
Two Knights Defense
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 — Black develops the knight aggressively, leading to sharp Italian-Game lines (Fried Liver, Traxler, Polerio).
Veresov Attack
1.d4 d5 2.Nc3 Nf6 3.Bg5 — the queenside cousin of the Trompowsky. Aggressive but theoretically dubious.
Vienna Gambit
After 1.e4 e5 2.Nc3 Nf6 3.f4!? — White sacrifices a pawn for fast development and a kingside attack. A favorite of beginners and online players.
Vienna Game
1.e4 e5 2.Nc3 — flexible system that often transposes into a King's Gambit-style attack with f4.