Knighty

Khai cuộc

Học khái niệm khai cuộc qua bài học có hướng dẫn

Italian Game - Giuoco Piano Main Line

Learn the classical Italian Game with central pawn play and piece activity

20 nước đi

Ruy Lopez - Morphy Defense Main Line

Master the "Spanish Torture" with long-term positional pressure

16 nước đi

Sicilian Defense - Open Najdorf/Classical

Learn the most popular response to 1.e4 from White's perspective

16 nước đi

French Defense - Advance Variation

Gain space and attack Black's kingside structure

20 nước đi

King's Indian Defense - Classical Main Line

Build a massive pawn center against Black's fianchetto setup

16 nước đi

Queen's Gambit - Fundamentals

Learn the key ideas behind one of chess's most classical openings

10 nước đi

Caro-Kann Defense - Classical Variation

Solid defense where Black develops the bishop before e6

26 nước đi

London System - Main Line

Solid, easy-to-learn system with the bishop on f4

18 nước đi

Scotch Game - Main Line

Open the center early with d4 for active piece play

27 nước đi

Catalan Opening - Open Variation

Fianchetto the bishop for long-term pressure on the long diagonal

20 nước đi

Slav Defense - Main Line

Solid defense where Black keeps the c8-bishop's diagonal open

16 nước đi

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

22 nước đi

Grunfeld Defense - Exchange Variation

Let White build a massive center, then tear it apart with Black's fianchettoed bishop and precise pawn strikes

23 nước đi

Queen's Gambit Declined - Main Line

Decline the gambit, develop solidly, and execute Capablanca's famous freeing maneuver with ...Nd5

21 nước đi

Queen's Gambit Accepted

Accept the gambit, develop freely, and challenge the center with ...c5 to reach a classic IQP middlegame

20 nước đi

Semi-Slav Defense

Combine the solid Slav pawn structure with the active Meran plan — capture on c4, push ...b5, and counterattack with ...c5

20 nước đi

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

20 nước đi

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

20 nước đi

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

22 nước đi

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.

22 nước đi

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.

20 nước đi

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.

23 nước đi

French Defense - Winawer Variation

The sharpest French Defense line — sacrifice pawns for initiative and queenside counterplay

20 nước đi

Caro-Kann Defense - Advance Variation

Learn how Black handles the Advance Caro-Kann with the bishop-first setup and kingside expansion

20 nước đi

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.

20 nước đi

Pirc Defense - Classical Variation

A hypermodern defense where Black allows White a big center, then attacks it with the fianchettoed bishop and ...e5.

20 nước đi

English Opening - Symmetrical Variation

Master the double-fianchetto Symmetrical English with the thematic d4 central break

19 nước đi

Reti Opening - Neo-Catalan Declined

Master the double-fianchetto Reti system with delayed central tension and the thematic cxd5 break

20 nước đi

Trompowsky Attack

Disrupt Black's structure early with 2.Bg5, trading bishop for knight to create lasting pawn imbalances.

19 nước đi

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.

19 nước đi

Scholar's Mate - How to Punish

Learn how to defend against the Scholar's Mate and punish White's premature queen development

16 nước đi

Italian Game - Two Knights Defense

Black's most aggressive answer to the Italian Game, counterattacking e4 instead of developing the bishop.

19 nước đi

Italian Game - Evans Gambit

White sacrifices a pawn for rapid development and a powerful center attack.

19 nước đi

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.

19 nước đi

Vienna Game - Stanley Variation

Learn the Vienna Game with Bc4 and f4, gaining kingside space while keeping piece tension

19 nước đi

Four Knights Game - Spanish Variation

A symmetrical opening where both sides develop knights early, leading to rich positional play with the bishop pair.

19 nước đi

Sicilian Sveshnikov

A combative Sicilian where Black accepts structural weaknesses for dynamic piece play and counterattacking chances.

19 nước đi

Sicilian Taimanov - English Attack

Black's most flexible Sicilian with ...Nc6 and ...Qc7, meeting White's aggressive English Attack.

19 nước đi

French Defense - Tarrasch Open System

Learn the main line of the Tarrasch Variation where Black gets active piece play with an isolated d-pawn.

20 nước đi

Caro-Kann - Panov-Botvinnik Attack

Transform the solid Caro-Kann into a dynamic IQP battle with 4.c4

19 nước đi

Queen's Indian Defense

A hypermodern defense controlling the center from a distance with the fianchettoed bishop on b7.

20 nước đi

Bogo-Indian Defense

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

20 nước đi

Modern Benoni Defense

An ambitious defense where Black creates asymmetry with ...c5 against d4, leading to dynamic pawn structures and counterplay.

19 nước đi

Dutch Defense - Stonewall Variation

Build an impenetrable pawn wall on c6-d5-e6-f5 and use the e4 outpost to launch a kingside attack.

20 nước đi

Dutch Defense - Leningrad Variation

Fianchetto the kingside bishop and build a powerful King's Indian-style setup with ...f5 controlling e4.

13 nước đi

Nimzo-Indian Defense - Rubinstein Variation

Play the solid Rubinstein system, trade into an IQP middlegame, and target White's isolated d-pawn

19 nước đi

Tarrasch Defense

Black challenges the center with ...c5, accepting an isolated d-pawn for active piece play.

19 nước đi

Colle System

A solid White system where you build a compact setup with e3, Bd3, c3, Nbd2 — then unleash the e4 break.

19 nước đi

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.

20 nước đi

Budapest Gambit

A sharp gambit where Black sacrifices the e-pawn for rapid piece activity and development.

20 nước đi

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.

19 nước đi

Philidor Defense - Exchange Variation

A solid defense where Black supports e5 with d6, then exchanges in the center for a stable position.

20 nước đi

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.

20 nước đi

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.

18 nước đi

Scotch Gambit

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

20 nước đi

Alekhine Defense - Modern Variation

Provoke White's pawns forward, then undermine the overextended center

20 nước đi

Modern Defense - Standard Line

Fianchetto the bishop early, then strike at the center with ...e5

20 nước đi

Owen Defense - Standard Line

Fianchetto the queenside bishop early, then challenge the center with ...c5 and ...e5 ideas

20 nước đi

Albin Counter-Gambit - Fianchetto Line

Sacrifice a pawn to create a powerful passed d-pawn, then maneuver knights to recapture and seize the initiative

20 nước đi

English Opening - Reversed Sicilian

Play the King's English with a fianchetto setup, trading pawns in the center to reach a flexible middlegame

20 nước đi

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

20 nước đi

Larsen's Opening - Classical Setup

A hypermodern flank opening where White fianchettoes the dark-squared bishop on b2 and builds a flexible central setup

20 nước đi

Stafford Gambit — Refutation

Learn how White refutes the trappy Stafford Gambit with calm development and piece trades.

20 nước đi

Englund Gambit — Refutation

Learn how White refutes the Englund Gambit with rapid development, punishing Black's greedy pawn grab.

20 nước đi

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.

18 nước đi

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.

13 nước đi

Benko Gambit

Sacrifice a pawn for lasting queenside pressure — open the a- and b-files and unleash the fianchettoed bishop.

16 nước đi

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.

15 nước đi

Smith-Morra Gambit

White sacrifices a pawn for rapid development, open lines, and attacking chances against the Sicilian Defense

15 nước đi

Grand Prix Attack

An aggressive anti-Sicilian system where White plays f4 early, aiming for a kingside attack

18 nước đi

Torre Attack

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

19 nước đi

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.

22 nước đi

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.

21 nước đi

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.

21 nước đi

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.

24 nước đi

Ruy Lopez - Marshall Attack

A famous pawn sacrifice in the Ruy Lopez where Black gives up the e5 pawn for a fierce kingside attack

22 nước đi

Sicilian Accelerated Dragon

A flexible Sicilian where Black fianchettoes early to enable the powerful ...d5 break in one move.

18 nước đi

Sicilian Scheveningen

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

18 nước đi

Ruy Lopez - Exchange Variation

White trades bishop for knight early, creating a lasting structural edge with a superior pawn majority

19 nước đi

Danish Gambit

A bold double-pawn sacrifice for rapid development and powerful attacking bishops.

20 nước đi

Halloween Gambit

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

22 nước đi

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.

22 nước đi

Rousseau Gambit

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

22 nước đi

Sicilian Wing Gambit

White sacrifices a flank pawn for rapid development and a powerful center against the Sicilian Defense.

22 nước đi

Stonewall Attack

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

18 nước đi

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.

22 nước đi

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.

20 nước đi

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.

18 nước đi

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.

22 nước đi

Baltic Defense

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

18 nước đi

Czech Benoni Defense

A solid, closed defense where Black locks the center with ...e5 and plans a kingside pawn storm with ...f5.

21 nước đi

Jobava London

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

20 nước đi

Rapport-Jobava System

An aggressive d4 system where White develops Nc3 and Bf4 early, using the Nb5 jump to disrupt Black.

22 nước đi

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.

20 nước đi

Sicilian Rossolimo Attack

A positional anti-Sicilian where White trades the bishop for structural advantage and long-term pressure.

22 nước đi

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.

19 nước đi

French Defense - Exchange Variation

A solid, symmetrical variation where both sides develop naturally. Learn how to create imbalances from equal structures.

20 nước đi

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.

18 nước đi

Caro-Kann Fantasy Variation

A bold pawn sacrifice idea where White plays f3 to build a massive center after dxe4 fxe4.

16 nước đi

QGD Exchange Variation

A positional system where White exchanges on d5 early, creating a symmetrical pawn structure and aiming for a minority attack.

20 nước đi

QGD Tartakower Defense

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

23 nước đi

QGD Ragozin Defense

Combine QGD solidity with Nimzo-Indian dynamism — pin the knight with Bb4 and strike at the center with ...c5.

21 nước đi

KID Fianchetto Variation

White mirrors Black's fianchetto strategy, leading to strategic battles where both bishops eye the center from the flanks.

18 nước đi

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.

22 nước đi

Grunfeld Defense - Russian System

White's queen actively pressures d5, but Black counters with ...dxc4, ...a6, ...b5, and ...c5 to undermine the center

24 nước đi

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.

19 nước đi

Center Game

White sacrifices a tempo by recapturing with the queen to open the position early and aim for rapid development.

20 nước đi

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.

19 nước đi

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.

19 nước đi

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.

22 nước đi