Openings
Learn opening concepts through guided lessons
Italian Game - Giuoco Piano Main Line
Learn the classical Italian Game with central pawn play and piece activity

Played as ♙ White
Ruy Lopez - Morphy Defense Main Line
Master the "Spanish Torture" with long-term positional pressure

Played as ♙ White
Sicilian Defense - Open Najdorf/Classical
Learn the most popular response to 1.e4 from White's perspective

Played as ♙ White
French Defense - Advance Variation
Gain space and attack Black's kingside structure

Played as ♙ White
King's Indian Defense - Classical Main Line
Build a massive pawn center against Black's fianchetto setup

Played as ♙ White
Queen's Gambit - Fundamentals
Learn the key ideas behind one of chess's most classical openings

Played as ♙ White
Caro-Kann Defense - Classical Variation
Solid defense where Black develops the bishop before e6

Played as ♙ White
London System - Main Line
Solid, easy-to-learn system with the bishop on f4

Played as ♙ White
Scotch Game - Main Line
Open the center early with d4 for active piece play

Played as ♙ White
Catalan Opening - Open Variation
Fianchetto the bishop for long-term pressure on the long diagonal

Played as ♙ White
Slav Defense - Main Line
Solid defense where Black keeps the c8-bishop's diagonal open

Played as ♙ White
Nimzo-Indian Defense - Classical Variation
Pin the knight, trade the bishop, and dominate the light squares with Black's most respected defense to 1.d4

Played as ♟︎ Black
Grunfeld Defense - Exchange Variation
Let White build a massive center, then tear it apart with Black's fianchettoed bishop and precise pawn strikes

Played as ♟︎ Black
Queen's Gambit Declined - Main Line
Decline the gambit, develop solidly, and execute Capablanca's famous freeing maneuver with ...Nd5

Played as ♟︎ Black
Queen's Gambit Accepted
Accept the gambit, develop freely, and challenge the center with ...c5 to reach a classic IQP middlegame

Played as ♟︎ Black
Semi-Slav Defense
Combine the solid Slav pawn structure with the active Meran plan — capture on c4, push ...b5, and counterattack with ...c5

Played as ♟︎ Black
Petrov Defense - Classical Variation
Counter-attack from the start — mirror White's knight, recapture the center, and reach a rock-solid position with the Petrov's symmetrical approach

Played as ♟︎ Black
Ruy Lopez - Berlin Defense
The ultimate fortress — trade queens early, survive the endgame, and grind with the bishop pair in the famous 'Berlin Wall' that dethroned Kasparov

Played as ♟︎ Black
Ruy Lopez - Closed (Chigorin)
White's classical blueprint — build a strong center with c3/d4, maneuver pieces behind the pawn chain, and prepare a kingside attack in one of chess's deepest openings

Played as ♙ White
Sicilian Dragon - Yugoslav Attack
Learn the fiery Dragon Variation where Black fianchettoes the bishop and faces White's sharpest try — the Yugoslav Attack with opposite-side castling.

Played as ♟︎ Black
Sicilian Najdorf - Classical Main Line
Black's most ambitious weapon against 1.e4. The Najdorf creates deeply complex positions with opposite-side castling and mutual attacks.

Played as ♟︎ Black
Sicilian Defense - Alapin Variation
White avoids the complex Open Sicilian with 2.c3, preparing an ideal pawn center with d4. A practical, low-theory weapon favored by Carlsen.

Played as ♙ White
French Defense - Winawer Variation
The sharpest French Defense line — sacrifice pawns for initiative and queenside counterplay

Played as ♟︎ Black
Caro-Kann Defense - Advance Variation
Learn how Black handles the Advance Caro-Kann with the bishop-first setup and kingside expansion

Played as ♟︎ Black
Scandinavian Defense - Main Line
Learn the Scandinavian Defense where Black immediately challenges e4 with 1...d5, developing the bishop before locking it in with ...e6.

Played as ♟︎ Black
Pirc Defense - Classical Variation
A hypermodern defense where Black allows White a big center, then attacks it with the fianchettoed bishop and ...e5.

Played as ♟︎ Black
English Opening - Symmetrical Variation
Master the double-fianchetto Symmetrical English with the thematic d4 central break

Played as ♙ White
Reti Opening - Neo-Catalan Declined
Master the double-fianchetto Reti system with delayed central tension and the thematic cxd5 break

Played as ♙ White
Trompowsky Attack
Disrupt Black's structure early with 2.Bg5, trading bishop for knight to create lasting pawn imbalances.

Played as ♙ White
Fried Liver Attack
A daring knight sacrifice on f7 that drags Black's king into the open. One of the most aggressive openings in chess.

Played as ♙ White
Scholar's Mate - How to Punish
Learn how to defend against the Scholar's Mate and punish White's premature queen development

Played as ♟︎ Black
Italian Game - Two Knights Defense
Black's most aggressive answer to the Italian Game, counterattacking e4 instead of developing the bishop.

Played as ♟︎ Black
Italian Game - Evans Gambit
White sacrifices a pawn for rapid development and a powerful center attack.

Played as ♙ White
King's Gambit Accepted - Modern Defense
White sacrifices a pawn for rapid development and open lines. Learn the Modern Defense main line with Bc4 and quick castling.

Played as ♙ White
Vienna Game - Stanley Variation
Learn the Vienna Game with Bc4 and f4, gaining kingside space while keeping piece tension

Played as ♙ White
Four Knights Game - Spanish Variation
A symmetrical opening where both sides develop knights early, leading to rich positional play with the bishop pair.

Played as ♙ White
Sicilian Sveshnikov
A combative Sicilian where Black accepts structural weaknesses for dynamic piece play and counterattacking chances.

Played as ♟︎ Black
Sicilian Taimanov - English Attack
Black's most flexible Sicilian with ...Nc6 and ...Qc7, meeting White's aggressive English Attack.

Played as ♟︎ Black
French Defense - Tarrasch Open System
Learn the main line of the Tarrasch Variation where Black gets active piece play with an isolated d-pawn.

Played as ♟︎ Black
Caro-Kann - Panov-Botvinnik Attack
Transform the solid Caro-Kann into a dynamic IQP battle with 4.c4

Played as ♙ White
Queen's Indian Defense
A hypermodern defense controlling the center from a distance with the fianchettoed bishop on b7.

Played as ♟︎ Black
Bogo-Indian Defense
A flexible defense where Black checks with Bb4+ after 3.Nf3, avoiding the Nimzo-Indian while keeping a solid position

Played as ♟︎ Black
Modern Benoni Defense
An ambitious defense where Black creates asymmetry with ...c5 against d4, leading to dynamic pawn structures and counterplay.

Played as ♟︎ Black
Dutch Defense - Stonewall Variation
Build an impenetrable pawn wall on c6-d5-e6-f5 and use the e4 outpost to launch a kingside attack.

Played as ♟︎ Black
Dutch Defense - Leningrad Variation
Fianchetto the kingside bishop and build a powerful King's Indian-style setup with ...f5 controlling e4.

Played as ♟︎ Black
Nimzo-Indian Defense - Rubinstein Variation
Play the solid Rubinstein system, trade into an IQP middlegame, and target White's isolated d-pawn

Played as ♟︎ Black
Tarrasch Defense
Black challenges the center with ...c5, accepting an isolated d-pawn for active piece play.

Played as ♟︎ Black
Colle System
A solid White system where you build a compact setup with e3, Bd3, c3, Nbd2 — then unleash the e4 break.

Played as ♙ White
King's Indian - Sämisch Variation
A powerful White system with f3, Be3, and queenside castling — aiming for a controlled attack against the King's Indian.

Played as ♙ White
Budapest Gambit
A sharp gambit where Black sacrifices the e-pawn for rapid piece activity and development.

Played as ♟︎ Black
Bishop's Opening
A flexible 1.e4 system where White develops the bishop to c4 before committing the knight, targeting f7 and preparing a slow central build-up.

Played as ♙ White
Philidor Defense - Exchange Variation
A solid defense where Black supports e5 with d6, then exchanges in the center for a stable position.

Played as ♟︎ Black
Hungarian Defense
A solid, low-risk reply to the Italian Game where Black develops the bishop to e7 instead of the more aggressive c5 or Nf6.

Played as ♟︎ Black
Ponziani Opening
A tricky alternative to the Italian and Scotch where White prepares d4 with c3, aiming for a strong pawn center and space advantage.

Played as ♙ White
Scotch Gambit
White combines the Scotch's direct 3.d4 with 4.Bc4, keeping the pawn tension and aiming for rapid development with e5.

Played as ♙ White
Alekhine Defense - Modern Variation
Provoke White's pawns forward, then undermine the overextended center

Played as ♟︎ Black
Modern Defense - Standard Line
Fianchetto the bishop early, then strike at the center with ...e5

Played as ♟︎ Black
Owen Defense - Standard Line
Fianchetto the queenside bishop early, then challenge the center with ...c5 and ...e5 ideas

Played as ♟︎ Black
Albin Counter-Gambit - Fianchetto Line
Sacrifice a pawn to create a powerful passed d-pawn, then maneuver knights to recapture and seize the initiative

Played as ♟︎ Black
English Opening - Reversed Sicilian
Play the King's English with a fianchetto setup, trading pawns in the center to reach a flexible middlegame

Played as ♙ White
Bird's Opening - Classical Setup
A flank opening where White controls e5 with f4 and builds a harmonious setup with Nf3, b3, Bb2, and Be2

Played as ♙ White
Larsen's Opening - Classical Setup
A hypermodern flank opening where White fianchettoes the dark-squared bishop on b2 and builds a flexible central setup

Played as ♙ White
Stafford Gambit — Refutation
Learn how White refutes the trappy Stafford Gambit with calm development and piece trades.

Played as ♙ White
Englund Gambit — Refutation
Learn how White refutes the Englund Gambit with rapid development, punishing Black's greedy pawn grab.

Played as ♙ White
Elephant Trap
A devastating queen trap in the Queen's Gambit Declined. Learn how to punish White's greedy 6.Nxd5 with a stunning bishop check.

Played as ♟︎ Black
Legal's Mate
A classic queen sacrifice trap from the Philidor Defense. White gives up the queen to deliver a stunning knight-and-bishop checkmate.

Played as ♙ White
Benko Gambit
Sacrifice a pawn for lasting queenside pressure — open the a- and b-files and unleash the fianchettoed bishop.

Played as ♟︎ Black
King's Indian Attack
A flexible White system built on Nf3, g3, Bg2, d3, and Nbd2 — delay central commitments and launch a kingside attack with e4.

Played as ♙ White
Smith-Morra Gambit
White sacrifices a pawn for rapid development, open lines, and attacking chances against the Sicilian Defense

Played as ♙ White
Grand Prix Attack
An aggressive anti-Sicilian system where White plays f4 early, aiming for a kingside attack

Played as ♙ White
Torre Attack
A solid queen pawn system where White develops the bishop to g5 before playing e3, creating a flexible setup with quiet pressure.

Played as ♙ White
Veresov Opening
A surprise weapon where White develops Nc3 and Bg5 early, aiming for a quick e4 push to seize the center before Black is fully developed.

Played as ♙ White
Pirc Defense - Austrian Attack
White builds a powerful pawn center with e4, d4, and f4, launching a kingside storm against Black's flexible Pirc setup.

Played as ♙ White
Blackmar-Diemer Gambit
White sacrifices a pawn with 2.e4 and 4.f3 for rapid development, open lines, and a fierce kingside attack against an unprepared opponent.

Played as ♙ White
Traxler Counterattack
Black ignores the Ng5 threat to f7 and counter-attacks with 4...Bc5, sacrificing a pawn for active piece play and a dangerous initiative against the exposed White king.

Played as ♟︎ Black
Ruy Lopez - Marshall Attack
A famous pawn sacrifice in the Ruy Lopez where Black gives up the e5 pawn for a fierce kingside attack

Played as ♟︎ Black
Sicilian Accelerated Dragon
A flexible Sicilian where Black fianchettoes early to enable the powerful ...d5 break in one move.

Played as ♟︎ Black
Sicilian Scheveningen
A flexible Sicilian setup where Black builds a small pawn center with ...d6 and ...e6, preparing dynamic counterplay.

Played as ♟︎ Black
Ruy Lopez - Exchange Variation
White trades bishop for knight early, creating a lasting structural edge with a superior pawn majority

Played as ♙ White
Danish Gambit
A bold double-pawn sacrifice for rapid development and powerful attacking bishops.

Played as ♙ White
Halloween Gambit
A shocking knight sacrifice in the Four Knights Game — White gives up a piece for a massive pawn center and rapid development.

Played as ♙ White
Latvian Gambit
A bold counter-gambit where Black sacrifices the f-pawn for active piece play and tactical complications after 1.e4 e5 2.Nf3 f5.

Played as ♟︎ Black
Rousseau Gambit
A sharp gambit where Black plays 3...f5 in the Italian Game, sacrificing a pawn for open lines and rapid counterplay.

Played as ♟︎ Black
Sicilian Wing Gambit
White sacrifices a flank pawn for rapid development and a powerful center against the Sicilian Defense.

Played as ♙ White
Stonewall Attack
A rigid but powerful White system with pawns on d4-e3-f4-c3 and bishop on d3, aiming for a kingside attack.

Played as ♙ White
Hedgehog System
A flexible Black system with pawns on a6, b6, d6, e6 — pieces coil behind the pawn wall, waiting to strike with ...b5 or ...d5.

Played as ♟︎ Black
English Botvinnik System
A powerful English Opening setup where White builds a pawn triangle on c4-d3-e4 with a kingside fianchetto, creating a flexible positional framework.

Played as ♙ White
Old Indian Defense
A solid defense against 1.d4 where Black builds a compact e5/d6 pawn center and prepares a later ...c6 and ...d5 break.

Played as ♟︎ Black
Chigorin Defense
A dynamic defense to the Queen's Gambit where Black develops the knight to c6 instead of supporting d5 with a pawn, prioritizing piece activity over pawn structure.

Played as ♟︎ Black
Baltic Defense
An offbeat Queen's Gambit response where Black develops the bishop to f5 before playing e6, avoiding the "bad bishop" problem.

Played as ♟︎ Black
Czech Benoni Defense
A solid, closed defense where Black locks the center with ...e5 and plans a kingside pawn storm with ...f5.

Played as ♟︎ Black
Jobava London
An aggressive twist on the London System — Nc3 replaces Nf3, enabling dynamic piece play and the trademark Nb5 jump.

Played as ♙ White
Rapport-Jobava System
An aggressive d4 system where White develops Nc3 and Bf4 early, using the Nb5 jump to disrupt Black.

Played as ♙ White
King's Indian Attack vs the French
A potent anti-French system where White sidesteps theory with 2.d3, builds the KIA setup, and launches a kingside attack with e5.

Played as ♙ White
Sicilian Rossolimo Attack
A positional anti-Sicilian where White trades the bishop for structural advantage and long-term pressure.

Played as ♙ White
Sicilian Defense - Closed Variation
A positional system where White avoids the Open Sicilian and builds a slow kingside attack with g3, Bg2, and the Bh6 exchange plan.

Played as ♙ White
French Defense - Exchange Variation
A solid, symmetrical variation where both sides develop naturally. Learn how to create imbalances from equal structures.

Played as ♟︎ Black
Caro-Kann Two Knights Attack
White develops both knights aggressively before exchanging on f6, creating a structural imbalance where doubled pawns meet the bishop pair.

Played as ♙ White
Caro-Kann Fantasy Variation
A bold pawn sacrifice idea where White plays f3 to build a massive center after dxe4 fxe4.

Played as ♙ White
QGD Exchange Variation
A positional system where White exchanges on d5 early, creating a symmetrical pawn structure and aiming for a minority attack.

Played as ♙ White
QGD Tartakower Defense
Solve the QGD bishop problem with the Tartakower system — fianchetto the light-squared bishop and aim for the freeing ...c5 break.

Played as ♟︎ Black
QGD Ragozin Defense
Combine QGD solidity with Nimzo-Indian dynamism — pin the knight with Bb4 and strike at the center with ...c5.

Played as ♟︎ Black
KID Fianchetto Variation
White mirrors Black's fianchetto strategy, leading to strategic battles where both bishops eye the center from the flanks.

Played as ♟︎ Black
KID Four Pawns Attack
White builds an imposing four-pawn center with d4+c4+e4+f4, but Black counterattacks with ...c5 and ...e6 to undermine it before it rolls forward.

Played as ♟︎ Black
Grunfeld Defense - Russian System
White's queen actively pressures d5, but Black counters with ...dxc4, ...a6, ...b5, and ...c5 to undermine the center

Played as ♟︎ Black
Giuoco Pianissimo
The 'Very Quiet Game' — White builds a slow, positional setup with d3, c3, and piece maneuvering instead of the sharp c3-d4 center.

Played as ♙ White
Center Game
White sacrifices a tempo by recapturing with the queen to open the position early and aim for rapid development.

Played as ♙ White
King's Gambit Declined - Classical
Black declines the King's Gambit with 2...Bc5, keeping a solid center and targeting f2. A practical, low-risk approach to neutralize White's aggression.

Played as ♟︎ Black
Dutch Defense - Classical Variation
A solid Dutch setup where Black develops the bishop to e7, castles kingside, and fights for the e4 square with a central ...d5 break.

Played as ♟︎ Black
Nimzo-Indian Defense - Sämisch Variation
White accepts doubled c-pawns and builds a massive center with f3 and e4. Black targets the weak pawns and fights back on the flanks.

Played as ♟︎ Black