All openings & defences

If chess defences were fortresses, the Caro-Kann would be a castle with a moat. Black gets the ...d5 challenge against e4 without the French's light-squared bishop problems, and the resulting positions reward understanding over memorisation. Karpov turned it into an art form; Carlsen still uses it as his series-saving weapon.

The rock of the semi-open defences: Black challenges e4 while keeping a healthy structure and none of the French's bad-bishop problems.

The main line for a century: the bishop trades for a knight and a famously healthy structure.

The Catalan combines a queen's pawn opening with a king's fianchetto, creating gentle but eternal queenside pressure. Kramnik used it to beat Kasparov in 2000, and it remains the choice of players who believe in the slow squeeze.

The Catalan combines a queen's pawn opening with a king's fianchetto, creating gentle but eternal queenside pressure — Kramnik's weapon against Kasparov in 2000.

More named sub-variations of the open games: Morphy Defence sub-lines, Italian regroupings, Scotch structures and the romantic gambit continuations that fill out the theory tree.

The English Opening is the thinking player's 1.c4 — an opening of patience and geometry. Instead of fighting for the centre with pawns, White builds a flexible bind and strikes later, exactly where Black is weakest. It transposes into reversed Sicilians, Catalan structures and hedgehogs, making it a lifetime repertoire in one move.

1.c4 is chess in a dinner jacket: long-term plans, flexible structures and queenside space-grabbing, beloved by Botvinnik, Kasparov and Carlsen.

1...e5 turns the game into a Sicilian with colours reversed — White is a tempo up in the attacker's dream position.

The Anglo-Indian: the most popular English defence.

The French Defence is the opening of strategic counterpunchers: Black invites White to build a big centre, then spends the whole game hammering at it. The bad bishop on c8 is a small price for the healthiest structure in chess — Botvinnik, Korchnoi and Morozevich all made it their life's work.

Black invites White to build a big centre, then spends the game hammering at it — the opening of strategic counterpunchers.

The sharpest French: bishop pair sacrificed to wreck White's pawns and hunt the initiative.

The sharpest French line: Black gives the bishop pair to wreck White's pawns and fights with piece play against the doubled c-pawns.

The Grünfeld is hypermodern dynamism in its purest form: Black hands White the entire centre, then attacks it from the flanks with the mighty g7-bishop and relentless piece pressure. It is the opening of Fischer's Game of the Century and of every engine-era warrior.

Ernst Grünfeld's 1922 bombshell: Black lets White build a giant centre, then chips it apart with the g7 bishop.

The main battleground: the giant centre versus piece pressure — theory past move thirty.

The main battleground: White's giant centre versus Black's long-diagonal pressure — dynamite since the 1920s.

The gateway to the Indian defences: after 1.d4 Nf6 2.c4 Black chooses Nimzo, Budapest, Bogo, Old Indian and more.

The Italian Game is where most players fall in love with chess — and where the modern elite now spend their theory budgets. The Giuoco Pianissimo squeezes are the new main lines: slow, rich, and full of long-term plans that reward deep understanding.

Steinitz's original defence: ...d6 solidifies e5 — passive but principled, with clear structural logic.

The modern main line: both sides manoeuvre for twenty moves before a single queenside pawn moves.

The King's Indian is chess's great romance: Black invites White to build the biggest centre in the opening, then burns it down with ...e5, ...f5 and a full-scale pawn storm. Fischer's devastations, Kasparov's Mar del Plata brilliancies and Radjabov's modern revivals all flow from the same fearless idea.

The King's Indian: surrender the centre, castle, then detonate with ...e5 and a full-scale pawn storm.

The classical main line: undiluted queenside versus kingside warfare.

The most romantic mainstream opening: mutual pawn storms locked in combat.

The main move order: Nc3 controls e4/d5 and asks Black to commit between ...d6, ...c5 and ...Bg7 systems.

The main KID formation: the big e4-d4 centre against the g7 bishop and the ...e5/...c5 counterattacks.

The classical main line: Be2/O-O development and the eternal d5-closure battles to come.

The full Evans complex: castling into open lines, d4 tension and piece swarms for the pawn.

The umbrella over all 1.e4 e5 lines without an early Bc4/Bb5 — home of the Centre Game, King's Knight Opening and more.

The oldest and most direct move in chess: grab the centre, open lines and fight for the initiative from move one.

The internet's favourite opening: Bf4, e3, c3, Nbd2 — a low-theory system where the plans matter more than the moves. White attacks on the kingside while Black expands on the other wing; understanding beats memorisation every time.

Aron Nimzowitsch's 1910s masterpiece remains the most respected way to meet 1.d4: the ...Bb4 pin fights for e4, pressures c3 and offers structural concessions for the bishop pair. A century of world champions — from Capablanca and Botvinnik to Carlsen and Caruana — made it their main weapon.

The greatest of all Indian defences: ...Bb4 fights for e4 and offers structure for the bishop pair — a century of world champions.

The modern workhorse: solid, flexible, and rich in hanging-pawn and IQP structures.

Rubinstein's workhorse: solid, low-theory, and home to the hanging-pawns and IQP structures every player must master.

The Orthodox: the most respected QGD setup of the 20th century — ...c6, ...dxc4 and the eternal ...e5 freeing move.

The classical Orthodox tabiya: the ...Nd5 trade simplifies and the ...e5/...c5 wars begin.

Not a true gambit but the most respected way to fight for the centre: the c4 offer deflects Black's d5 pawn.

The Queen's Gambit Declined is the most respected defence in chess history — every world champion has defended it and attacked it. Black accepts slight cramping for a rock-solid structure, and the middlegames test deep understanding: minority attacks versus c5 breaks, light-square wars and endgame technique.

The classical defence to the Queen's Gambit — a century of world championship battles around Black's c5 break.

The classical main line of the 20th century: the eternal fight over c5 and e5.

The catch-all for 1.d4 lines without an early c4 — including the Englund Gambit 1.d4 e5!? and Black's many offbeat setups.

The home of the London System: Bf4, e3, c3, Nbd2 — plans over moves, and a kingside attack built at leisure.

The Ruy Lopez is chess's cathedral — every world champion has prayed here. White's bishop pins the c6-knight against the e5 pawn, building the slow, inexorable squeeze that made Capablanca, Fischer and Karpov immortal. Black has a dozen rich defensive systems, from Kramnik's Berlin Wall to Kasparov's Marshall Attack.

The Spanish Game — 500 years old, the deepest opening in chess, the main battleground of nearly every world championship match.

The Berlin Wall — Kramnik's engine-proof fortress that toppled Kasparov in 2000.

The main Open Ruy tabiya: c3/d4 support, Nd4-f5 ideas and Black's ...Be6 consolidation.

The Berlin: Black grabs e4 and shortcuts theory — from Open lines to the endgame Wall.

The endgame fortress that beat Kasparov: bishop pair and structure versus everything.

The classical main line for a century: knight dances, h3 preparation, the d4 break.

The Chigorin — a century of world championship battles: ...Na5/...c5 queenside pressure versus White's d4 break.

The Breyer setup: ...Bb7, ...Re8 and the knight waiting on b8 — the deepest of all Closed Ruy structures.

The main Ruy move order: castling first, then Re1/h3/c3 — the gateway to every Closed Spanish system.

The Scotch opens the centre immediately and trades pawn tension for free piece play — straightforward plans, minimal theory, fighting chances forever. Kasparov's 1990s weapon of choice and the perfect classical opening for club players.

The Scotch opens the centre at once and trades pawn tension for free piece play — Kasparov's 1990s weapon of choice.

A hybrid fortress: the Slav's ...c6 plus the QGD's ...e6 create the most theory-heavy triangle in chess. Meran, Botvinnik and Anti-Moscow lines are analyzed twenty moves deep — the Semi-Slav is where opening preparation became a profession.

The theory volcano: the Slav's ...c6 plus the QGD's ...e6 — Meran, Botvinnik and Anti-Moscow wars analyzed twenty moves deep.

The Meran: mutual pawn grabs and forcing lines evaluated to the endgame.