Chess Openings Trainer

40 openings · 885 variation lines · Beginner to Advanced

AI Chess Teacher offers interactive training for 40 of the most important chess openings, covering 885 variation lines from beginner to advanced level. Each opening is taught through move-by-move interactive training with AI-powered hints that explain the ideas behind every move.

Whether you play 1.e4, 1.d4, or the English Opening, you will find openings that match your style. For Black players, there are responses to all major White systems including the Sicilian Defence, French Defence, Caro-Kann, and King's Indian Defence. Every opening comes with multiple variation lines so you can build a complete repertoire.

Use Learn mode to study each variation with AI guidance, then switch to Practice mode to test your recall. Progress is tracked so you can see which variations you have mastered and which need more work.

Open Games

Italian Game Beginner
A classic opening that develops pieces quickly and aims for control of the center. One of the oldest recorded chess openings, popular at all levels.
Scandinavian Defense Beginner
Black immediately challenges White's center with 1...d5. The queen comes out early to recapture, leading to active piece play and solid positions.
Scotch Game Beginner
An open, tactical opening where White immediately challenges the center. Less theoretical than other 1.e4 e5 lines. It's just so good and so easy.
Rousseau Gambit Intermediate
A sharp gambit arising from the Italian Game where Black plays the provocative f5, sacrificing a pawn for aggressive counterplay.
Bishop's Opening Beginner
Surprise your opponent on the second move. Probably win by the seventh. Nobody knew this opening until a YouTube video made it viral.
Four Knights Game Beginner
A symmetrical opening where both sides develop their knights first. Solid and easy to learn, perfect for beginners.
Scholar Mate Counter Beginner
Learn how to punish the Scholar's Mate attempt. These lines show Black's best counterattacks when White brings out the queen early to target f7, turning the opponent's aggression into a disadvantage.
Fried Liver Attack Intermediate
Checkmate your opponent in 8 moves. One of the most dangerous openings in chess. White sacrifices a knight to expose Black's king.
Vienna Gambit Intermediate
An aggressive gambit where White plays f4 early, sacrificing the pawn for quick development and attacking chances. Leads to sharp, tactical play.
Vienna Game Intermediate
A solid positional opening where White develops Nc3 before Nf3, maintaining flexibility. Leads to rich middlegame positions.
Counter the Vienna Gambit Intermediate
Black's sharpest responses to the Vienna Gambit (1.e4 e5 2.Nc3 Nf6 3.f4). Counter-attack with tactical tricks and traps.
Danish Gambit Intermediate
Sacrifice a pawn. Then another. Then ANOTHER. End up with a crushing position that will win you the game.
King's Gambit Intermediate
Give up your pawn. Expose your king. All on the second move. One of the most romantic and aggressive openings in chess history.
Ponziani Opening Intermediate
A solid opening to own the center and develop your pieces - and maybe set up a few traps along the way.
Stafford Gambit Intermediate
Lose a pawn, then swindle your opponent into losing the game. This is the fun way to play chess!
Petrov Defense Intermediate
Take White out of their comfort zone on move two. A solid, symmetrical defense that's hard to crack.
Ruy Lopez Advanced
The most solid opening on this website. One of the oldest and most respected openings. If you want to win games, click here.
Traxler Counterattack Advanced
Destroy anyone who tries the Fried Liver Attack against you. Make them cry. Make them regret learning chess.
Latvian Gambit Intermediate
An aggressive and sharp gambit where Black plays 2...f5 after 1.e4 e5 2.Nf3, sacrificing a pawn for rapid attacking chances. Full of tactical traps and surprises, it rewards bold and creative play.

Closed Games

London System Beginner
A solid, easy-to-learn opening system for White. So solid that Black can do pretty much nothing to counter. People hate London players!
Jobava London Intermediate
An aggressive d4 opening system combining Nc3 and Bf4 with early piece development. White aims for quick attacks and tactical complications.
Queen's Gambit Accepted Intermediate
Black accepts the gambit pawn with dxc4. White gets central control while Black tries to hold the extra pawn or return it for activity.
Queen's Gambit Declined Intermediate
Black declines the gambit with e6, creating a solid but slightly cramped position. One of the most respected defenses at all levels.
Slav Defense Intermediate
A rock-solid defense against the Queen's Gambit. Black keeps the c8-bishop free while maintaining a strong pawn structure.
Dutch Defense Intermediate
An aggressive response to 1.d4 where Black immediately fights for the e4 square. High risk, high reward chess!
Catalan Opening Intermediate
A sophisticated opening combining Queen's Gambit ideas with a fianchettoed bishop. Pressure on the long diagonal creates lasting positional advantages.

Semi-Open Games

Sicilian Defense Intermediate
Some people call it the Rolls Royce of openings. The most popular response to 1.e4 at master level, leading to sharp, imbalanced positions.
Caro-Kann Defense Beginner
A solid defense against 1.e4 that creates a strong pawn structure. Fight back against the King's Pawn Opening by preparing to strike the center.
Alapin Sicilian Intermediate
Shut down anyone who tries the Sicilian against you. A solid anti-Sicilian system that's easier to learn than main lines.
French Defense Intermediate
Lock your bishop in jail, then spend the rest of the game proving it was all part of the plan. A classical defense with complex strategic battles.
Pirc Defense Intermediate
Let White build a big center, then strike it down. A flexible hypermodern opening with dynamic counterplay.
Alekhine Defense Intermediate
Invite White to chase your knight around the board, then punish their overextended pawns. Named after world champion Alekhine.

Flank Openings

English Opening Intermediate
Play c4. Do nothing for 10 moves. Win anyway. That's the English. A flexible, positional opening for strategic players.
Bird's Opening Intermediate
An unorthodox flank opening controlling the e5 square from the start. Leads to unique positions outside of normal opening theory.

Gambits

Englund Gambit Intermediate
This opening will either win you or lose you the game. Let's roll the dice! A risky but fun response to 1.d4.
Albin Countergambit Intermediate
I hate playing against the Queen's Gambit. Fight back by gambitting your OWN pawn on the second move!

Indian Defenses

Benoni Defense Intermediate
A sharp, counterattacking defense where Black creates queenside pressure against White's pawn center. Dynamic and unbalanced positions.
King's Indian Defense Advanced
PLEASE don't click this unless you know what you're doing. A hypermodern defense with dynamic, double-edged positions.
Queen's Indian Defense Advanced
A solid and flexible response to 1.d4 where Black fianchettoes the queen's bishop. Popular at the grandmaster level.
Fajarowicz Gambit Advanced
A sharp and aggressive response to the Budapest Gambit where Black plays Ne4 instead of the standard Ng4. Black sacrifices material for rapid development and tactical chances, often catching unprepared opponents off guard.

40 Chess Openings · Tactics Courses · Endgame Training · Practice Modes · Pricing