Chess Opening Courses
Join 500,000+ players already improving their game
Ruy Lopez
A practical, aggressive repertoire built around an early d4 break: the lines transpose into each other, so it's easy to learn but hard to prepare against.
London System
One of the easiest openings to learn, with a solid structure and real attacking potential.
Vienna Gambit
Win a tempo, sac a pawn to open lines, and go straight after the king. GM-approved.
Sicilian Kan
A dangerous weapon against 1.e4 that surprises opponents and consistently creates unbalanced, winnable positions.
Queen's Gambit Accepted
One of the simplest, most reliable ways to meet 1.d4: equalize fast with clear ideas instead of a mountain of theory.
The Caro-Kann
Simple, rock-solid, and feels like a brick wall for your opponents, while you still keep chances to win.
Caro-Kann Defense
Simple to learn, clear plans, solid center: and yes, real attacking chances too.
King's Indian Defense
More than an opening: a complete system against 1.d4 for players brave enough to head into the complications.
1.e4 e5
A modern, flexible ...e5 repertoire built to meet White's most popular systems with confidence and active play.
Scandinavian: Mieses-Kotroc
Won't win you the game in 8 moves, but you'll get the queen out early and know exactly what to do with it.
Réti
A solid kingside fianchetto that pressures Black's center while we stay in control and play for the edge.
Catalan
Positional soundness with a fianchetto bishop doing superhero work. Opponents rarely see it coming.
French Defense
A solid, fun French built to punish everyone who auto-plays 3.e5 without knowing why.
Alapin Sicilian
Grab the center, point your pieces at the king, and give Sicilian players a kingside attack to actually worry about.
Sicilian Four Knights
Pile pressure on White's center with pieces and pawn breaks. Prepare for combat.
Spanish Four Knights: Essentials and Tricks
A solid repertoire with real sting. Expect to be a pawn up often within the first few moves.
Spanish Four Knights: Mastery
Polish your repertoire and cover the other lines Black will actually throw at you.
Four Knights: 4.a3
Surprise opponents with 4.a3 and have them regretting it by move ten.
Scandinavian
Scandinavian for Black, with practical ideas from IM Maksim Shchekachikhin.
Traxler Counterattack
Most players can't resist grabbing 5.Nxf7. If they do, you're ready with the theory that punishes it.
Trompowsky Attack
A full 1.d4 repertoire against 1...Nf6 built around 2.Bg5: fresh positions, lots of poison.
Center Game
Sharp, surprising Central Gambit lines that put pressure on Black from move one.
Alekhine Defense
Let White build the big center: then spend the game tearing into it.
Jobava London
A reliable weapon that either traps your opponent outright or hands you a great attacking position.
Scotch Gambit
Develop fast, gambit a pawn, and rip the center open before Black's pieces wake up.
Göring Gambit
Like the Smith-Morra, this uses the gambit as a tactics trainer: calculation and attacking instincts that carry way beyond the opening.
1.d4
A surprisingly aggressive 1.d4 repertoire, trimmed down so you're not stuck memorizing endless lines.
Tarrasch Defense
Counter the Queen's Gambit with a poisonous, perfectly sound gambit.
French Defense
A dependable French for players who want playable middlegames, not a second job memorizing theory.
Smith-Morra Gambit
More than a gambit: organized by tactical themes to build pattern recognition that carries into every other opening.
Smith-Morra Gambit Declined
Want to play the aggressive Smith-Morra Gambit, but Black declines it? This course covers Black's main ways to avoid the gambit and shows you how to punish them.
by Chessreps
English Botvinnik
Master the setup: c4, Nc3, g3, Bg2, d3, e4. Flexible, long-term, and annoyingly effective against almost anything.
Nimzo-Larsen Attack
Tired of long lines? Play 1.b3 and bamboozle people from move one.
Zukertort
Bishop on b2, knight on e5, bishop on d3: a clean base for kingside piece play.
1.c4 e5 2.g3
Engines love this English for good reason: grab the central light squares and make your opponent start thinking on move one.
Counter the London
Dismantle the London in just 30 lines with 2...c5 and 3...Qb6: White's fighting for survival by move three.
Counter the Caro-Kann
The Advance Variation: grab space early and make Caro-Kann players work for everything.
Counter the Scandinavian: Main Lines
Crush the Scandinavian after ...Qxd5, ...Qa5, or ...Qd8.
Counter the Scandinavian: Sidelines
Play energetically and grab the edge against every Scandinavian sideline.
Counter the Scandinavian
A complete, practical answer that leaves Scandinavian players in unfamiliar territory and hands you the initiative.
Counter the French
An ambitious anti-French repertoire that puts Black on the defensive right from the opening.
Counter the Vienna
Don't let White get comfortable: meet 2.Nc3 with ...Nf6 and take the game into your own hands.
Benoni
One of the most dynamic answers to 1.d4: sharp, unbalanced, and built for immediate counterplay.
The Notorious Benoni
For players who refuse quiet equality: dynamic pawn structures and relentless counterplay from the first moves.
Trompowsky Attack
Quick to learn, genuinely dangerous: 2.Bg5 against both ...d5 and ...Nf6.
Trompowsky Attack
Poison Black's pawn structure from move two and make them live with it all game.

