Learn Chess Openings

1.e4 e5 2.Nf3 Nc6 3.Bc4

One of the oldest openings in chess, the Italian aims White's bishop straight at f7 - the square only the king defends. It is welcoming and natural: pieces develop toward the centre, the king castles early, and both sides get a fair, fighting game. Beginners love its clear plans; masters still trust its deep ideas.

1.e4 e5 2.Nf3 Nc6 3.Bb5

The Ruy Lopez is chess royalty - one of the oldest, most respected openings, named after a 16th-century Spanish priest. The bishop slides to b5 and leans on the knight guarding e5, posing a long, slow question. No cheap threats here, just deep positional pressure: build a centre, castle and squeeze.

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6

The Berlin Defence meets the Ruy Lopez with 3...Nf6, counter-attacking e4. Its headline line, the Berlin Wall, swaps queens early to reach a tough, slightly drawish endgame where Black trades castling rights for the bishop pair and rock-solid structure.

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6

The Four Knights is chess at its most honest: both armies march their knights to the natural squares and stare each other down across a balanced centre. It is a calm, classical battlefield where understanding outweighs memorised tricks - ideal for learning how to fight for the centre, develop sensibly and castle early.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3

The Giuoco Pianissimo – the "very quiet game" – is the modern, patient heart of the Italian. With 4.d3 White avoids early fireworks and instead builds slowly, manoeuvring pieces behind a solid pawn chain before striking with d4. It is hugely popular from club level to the world elite.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6

The Two Knights Defence is Black's fighting answer to the Italian. Instead of the calm 3...Bc5, Black plays 3...Nf6 to attack e4 and welcomes razor-sharp play - above all the famous 4.Ng5 lines, where Black sacrifices a pawn (sometimes more) for rapid development and a fierce initiative.

1.e4 e5 2.Nf3 Nf6

A defence that refuses to defend. Instead of shoring up the attacked e5-pawn, Black mirrors White's knight and counterpunches at e4, steering the game into clear, symmetrical waters. Solid, logical and famously hard to crack, the Petroff is the choice of players who want to neutralise 1.e4 and play for the full point on their own terms.

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

The Closed Ruy Lopez is the grand strategic main line of the Open Game. Black builds a solid, flexible set-up with ...Be7, ...d6 and ...O-O, then manoeuvres slowly behind the lines. Famous schemes such as the Breyer (...Nb8-d7) and Chigorin (...Na5) lead to rich, long-term battles on both wings.

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5

Reached from the main lines of the Closed Ruy Lopez, the Marshall Attack sees Black sacrifice a central pawn with 8...d5 to unleash fast, powerful piece play against White's king. It is so dangerous that many White players avoid it with an "Anti-Marshall".

1.e4 e5 2.Bc4 Bc5 3.Qh5 Nc6 4.Qxf7#

The most famous four-move checkmate in chess - a quick ambush where White's queen and bishop gang up on the lone, weakly defended f7 pawn. Every beginner meets Scholar's Mate sooner or later, usually on the wrong end of it. Learning to spot and stop it is a rite of passage.

1.e4 e5 2.Nf3 Nc6 3.d4

The Scotch Game is White's bold decision to crack the centre open on move three with d4, trading slow build-up for fast, free-flowing development. Lines breathe, knights and bishops spring out, and the game turns open and fighting at once - a refreshing, principled alternative to the Italian and Ruy Lopez.

1.e4 e5 2.Bc4

The Bishop's Opening starts 1.e4 e5 2.Bc4, pointing the bishop at f7 before committing the knights. It is flexible and easy to learn, often steering into quiet Italian-style positions or sharper gambit lines depending on White's mood.

1.e4 e5 2.Nf3 d6

A solid but slightly cramped reply to 1.e4, where Black supports the e5-pawn with ...d6 rather than a piece. It trades a little space for a sturdy, hard-to-crack position, and is often reached via a Pirc-style move order.

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6

A calm, strategic try where White swaps the bishop for the knight on c6, saddling Black with doubled c-pawns. White hopes to reach an endgame where a clean four-versus-three kingside majority can create a passed pawn, while conceding Black the two bishops as compensation.

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4

In the Open Ruy Lopez, Black grabs the e4-pawn with 5...Nxe4 and follows up with ...b5, ...d5 and ...Be6, gaining free, active piece play rather than the long, patient manoeuvring of the Closed lines. The trade-off is a slightly looser structure that White tries to exploit.

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5

The Schliemann (or Jaenisch Gambit) meets the Ruy Lopez with the daring 3...f5, throwing a pawn at White's centre to grab the initiative. It is sharp, double-edged and rich in tactics - a fighting weapon for Black players who relish chaos over a quiet middlegame.

1.e4 e5 2.Nc3

Meet the Vienna Game, the Italian's bolder cousin. White plays 2.Nc3 to develop and guard e4, then often uncorks an f-pawn thrust to blast open the centre and the f-file. It blends classical development with a gambiteer's appetite for attack, leading to lively, open positions where knowing a few key ideas pays off handsomely.

1.e4 c5

The Sicilian is Black's boldest answer to 1.e4 – instead of mirroring in the centre, Black trades a wing pawn for a central one and seizes a half-open c-file to counterattack. It leads to sharp, unbalanced battles where both sides play for the win, beloved by champions from Fischer to Kasparov to Carlsen.

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

The Najdorf is the most celebrated branch of the Sicilian. With the quiet 5...a6, Black avoids committing the centre too early, prepares ...e5 and keeps options open against every White plan. It is a sharp, double-edged battleground beloved of attacking champions.

1.e4 c6

Meet 1.e4 with the quiet 1...c6 and you join a club of world champions who prized resilience over fireworks. The Caro-Kann contests the centre with ...d5 while keeping the light-squared bishop free - the very piece the French buries. Solid, low-risk and quietly venomous.

1.e4 c6 2.d4 d5 3.e5

White answers the Caro-Kann by closing the centre with 3.e5, claiming space. Unlike the French, Black gets his light-squared bishop out to f5 before ...e6, so he has no bad bishop. A rich middlegame where both sides battle over the d4-e5 chain.

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5

The soundest main line of the Caro-Kann: Black trades on e4 and develops the light-squared bishop to f5 outside the pawn chain before playing ...e6. The result is a solid, slightly cramped but very resilient structure where Black is rarely worse and aims to outlast White's space edge.

1.e4 e6

The French answers 1.e4 not by mirroring it but with a counter-punch: 1...e6 then 2...d5, confronting White's centre head-on. The result is a tense pawn chain across the board, each side gnawing at the other's base. Black accepts a cramped position and one passive bishop for a rock-solid structure and rich, lasting counterplay.

1.e4 e6 2.d4 d5 3.e5

White answers the French with 3.e5, locking the centre into a fixed pawn chain and seizing space on the kingside. Black immediately strikes at the chain's base with ...c5 and ...Nc6, while White shores up d4 with c3. The battle revolves around White's space versus Black's pressure on d4.

1.e4 e6 2.d4 d5 3.Nd2

A calm, flexible way for White to meet the French. By playing 3.Nd2 instead of 3.Nc3, White avoids the pinning ...Bb4 of the Winawer and keeps the c-pawn free to support the centre with c3, leading to rich, manoeuvring middlegames.

1.e4 e6 2.d4 d5 3.Nc3 Bb4

The Winawer is the sharpest answer to 3.Nc3 in the French. Black pins the knight with 3...Bb4 and usually swaps it off, handing White the bishop pair and doubled c-pawns in return for a damaged white structure and rich dynamic counterplay.

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6

A speedy cousin of the Dragon: Black fianchettoes the bishop to g7 without first playing ...d6, hoping to free the position with one big ...d5 break. The trade-off is that White can clamp down with the Maróczy Bind (c4), so understanding that structure is essential.

1.e4 c5 2.c3

The Alapin (2.c3) is a calm anti-Sicilian: instead of the sharp Open Sicilian, White prepares d4 to build a broad pawn centre. It sidesteps reams of theory and steers toward solid, understandable positions where White's central space does the talking.

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

The Dragon fianchettoes Black's dark-squared bishop on g7, where it rakes the long diagonal towards White's queenside. It leads to some of chess's sharpest opposite-side castling races, where both sides hurl pawns at the enemy king and the faster attacker usually wins.

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

The Kan is a calm, flexible Sicilian where Black plays an early ...e6 and ...a6, building a small solid centre and keeping options open. Light on forced theory, it rewards understanding over memorisation and lets Black choose a setup to taste.

1.e4 c5 2.Nf3 Nc6 3.Bb5

The Rossolimo is White's quiet anti-Sicilian: 3.Bb5 trades the light-squared bishop for Black's knight, dodging heavy mainline theory and steering the game toward calm, manoeuvring positions where understanding beats memorisation.

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5

A sharp, modern main line where Black voluntarily accepts a backward d-pawn and a hole on d5 in exchange for fast piece play, the bishop pair and active counterchances. Once a sideline, it is now a respected weapon used at the very top.

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

The Taimanov is a flexible Open Sicilian where Black develops with ...e6 and ...Nc6 while delaying committing the other pieces. By keeping ...Qc7, ...a6 and ...Bb4 in reserve, Black stays adaptable and aims for active, well-coordinated piece play rather than a fixed pawn structure.

1.e4 Nf6

A cheeky opening that breaks the rules on purpose. Rather than occupy the centre, Black's knight leaps out to be chased, luring White's pawns ever forward. The dream is that this grand pawn wall becomes overextended – a target, not a fortress – which Black then undermines and dismantles. A sharp, fighting weapon for counter-attackers.

1.e4 c6 2.d4 d5 3.exd5 cxd5

White trades on d5 at once, dissolving the central tension to reach a clean, near-symmetrical structure. It is easy to learn and hard to lose, handing White a tiny, long-term edge with simple plans rather than sharp theory.

1.e4 c6 2.d4 d5 3.f3

The Fantasy Variation answers the Caro-Kann with 3.f3, an aggressive choice that supports the e4-pawn and aims to keep a big classical pawn centre on d4 and e4. It dodges the well-mapped main lines and steers the game toward sharp, double-edged play.

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

A sharp, classical-flavoured way to meet the Caro-Kann. White exchanges in the centre, then plays c4 to challenge d5. Often White ends up with an isolated queen's pawn in return for active pieces, open lines and attacking chances against Black's king.

1.e4 e6 2.d4 d5 3.Nc3 Nf6

The Classical French answers 3.Nc3 with the natural 3...Nf6, putting immediate pressure on e4. It leads to rich, manoeuvring middlegames defined by the French pawn chain, where Black trades flexibility for a rock-solid set-up and clear long-term plans.

1.e4 e6 2.d4 d5 3.exd5 exd5

After 3.exd5 exd5 the pawns vanish from the centre and a clean, symmetrical d-file structure remains. The opening has a drawish reputation, but the symmetry is fragile – whoever finds the more active piece play, especially on the half-open e-file, can build a real initiative.

1.e4 e6 2.d4 d5 3.Nc3 dxe4

A rock-solid French line where Black plays ...dxe4 early, giving White a free hand in the centre in return for a sturdy, low-risk structure. Black aims to develop smoothly, trade a pair of knights and reach a sound, if slightly passive, middlegame.

1.e4 g6

Imagine handing your opponent the whole centre on purpose - then dismantling it. With 1...g6 Black fianchettoes the dark-squared bishop, sidesteps mainstream theory and waits. White builds an imposing pawn wall, but the Modern bets it will become a target. Patient, hypermodern and a touch sneaky.

1.e4 Nc6

The Nimzowitsch Defence answers 1.e4 with 1...Nc6, developing a knight before committing pawns. It is a provocative, hypermodern choice that invites White to build a broad centre, then sets about undermining and surrounding it. Offbeat but sound, it steers play away from heavily-mapped main lines.

1.e4 d6 2.d4 Nf6 3.Nc3 g6

The Pirc is a defence built on patience and counter-punching. Rather than contesting the centre head-on, Black invites White to occupy it with pawns on e4 and d4, fianchettoes the dark-squared bishop and waits – then undermines that proud centre with breaks like ...e5 or ...c5, letting White overextend before striking.

1.e4 d5

Meet 1.e4 head-on by punching back with 1...d5. Black trades pawns at once, wins the centre pawn straight back, and reaches a solid, easy-to-learn structure. There's no sprawling theory to memorise - just sound development around a sturdy pawn on c6 - making the Scandinavian a friendly, dependable answer to the king's pawn.

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

The Classical Sicilian develops both knights to their natural squares early, with ...Nf6 and ...Nc6, before committing the rest of the pieces. It most often leads to the sharp, well-trodden Richter-Rauzer middlegames after White's Bg5.

1.e4 c5 2.Nc3

A quiet, strategic anti-Sicilian where White answers 1.e4 c5 with 2.Nc3 and refuses to open the centre. Instead White fianchettoes the king's bishop, builds slowly with d3 and f4, and aims a pawn-storm at Black's king while Black counters on the queenside.

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6

The Scheveningen is Black's classic 'small centre' Sicilian, with modest pawns on d6 and e6. Rather than grabbing space, Black builds a low, springy set-up and waits to strike with ...d5 or ...b5, generating rich counterplay against any White plan.

1.e4 g6 2.d4 Bg7 3.Nc3 d6

The Hippopotamus is a hypermodern waiting system where Black tucks every piece behind the third rank – pawns on a6, b6, d6, e6, g6 and h6, bishops fianchettoed to b7 and g7, knights on d7 and e7. Black concedes the centre, stays solid and springs a counterstrike once White overreaches.

1.d4 d5 2.Bf4

The London System is chess comfort food: White puts every piece on its best square – pawns on d4 and e3, bishop out to f4, knight to f3, short castling – almost regardless of what Black does. It is calm and reliable, trading sharp theory for understanding, and aims for a slow kingside attack or a long squeeze.

1.d4 d5 2.c4

White plays 2.c4, offering a wing pawn not as a true sacrifice but as a lure - grab it and White reclaims the pawn at leisure while seizing a broad centre. One of the oldest, most respected openings, it has served champions from Capablanca to Carlsen as a calm, principled way to fight for the centre.

1.d4 d5 2.c4 e6

When White offers the Queen's Gambit, the most rock-solid reply is simply to say no thanks. With 2...e6 Black props up the d5 pawn and keeps a firm grip on the centre, accepting a slightly cramped but supremely sturdy position. For over a century it has been a championship workhorse.

1.d4 Nf6 2.c4 e6 3.g3

A quietly powerful weapon: White blends Queen's Gambit pressure with a fianchettoed bishop that hums down the long light diagonal. The Catalan rarely forces matters early – it builds slow, lasting pressure on Black's queenside, squeezing without letting go. Loved by world champions, it rewards patience and positional skill.

1.d4 d5 2.Nf3 Nf6 3.e3

The Colle System is a tidy, repeatable White set-up after 1.d4 d5 2.Nf3 Nf6 3.e3, building a small pawn triangle (d4-e3-c3) behind which the pieces find natural homes. The plan is simple: develop, castle, then unleash e4 to blow the centre open and chase a kingside attack.

1.d4 f5

The Dutch Defence answers 1.d4 with 1...f5, an aggressive try for kingside space and the initiative. Black aims for an eventual ...e5 break and kingside attacking chances, choosing between the Stonewall, Leningrad and Classical set-ups.

1.d4 d5 2.c4 dxc4

A refreshingly direct answer to the Queen's Gambit: Black simply takes the offered pawn. But this is no greedy snatch – the pawn is meant to be handed back. By capturing on c4, Black wins time, frees the position and strikes back with ...c5 and ...b5, aiming for easy development and open, energetic play.

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5

A calm, strategic way for White to handle the Queen's Gambit Declined. By trading on d5 early, White fixes the Carlsbad pawn structure and aims for the celebrated minority attack on the queenside – a model plan every improving player should know.

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6

The Semi-Slav is Black's heavyweight answer to the Queen's Gambit, fusing the solid Slav move ...c6 with the flexible QGD move ...e6. The result is a fortress-like pawn chain that quietly prepares a thunderous queenside counterpunch with ...dxc4 and ...b5. Tough, theory-rich and gloriously double-edged.

1.d4 d5 2.c4 c6

The Slav is one of the soundest answers to the Queen's Gambit. Rather than locking in the light bishop with ...e6, Black props up d5 with ...c6 – a small change with big consequences. The bishop stays free to swing to f5, Black gets rock-solid footing, and the result has served world champions from Euwe to Carlsen.

1.d4 Nf6 2.Bg5

The Trompowsky meets 1...Nf6 with 2.Bg5, pinning and harrying the knight on move two. White sidesteps reams of mainstream theory and steers play into fresh, original positions where understanding beats memorisation.

1.d4 d5 2.c4 Nc6

The Chigorin Defence meets the Queen's Gambit with 2...Nc6, deliberately blocking the c-pawn to fight for fast piece play. Black often trades bishops for knights, accepting structural concessions in return for activity, open lines and pressure on White's centre – an unbalancing, fighting answer to 1.d4.

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5

A sharp, tactical answer to the Queen's Gambit Declined. Black's queen leaps to a5, pinning the c3-knight to the king and leaving the g5-bishop loose, while eyeing the a2-pawn. The idea baits White into natural-looking but careless moves.

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4

A rock-solid way to play the Queen's Gambit Declined. Black plays the freeing ...Ne4, swapping pieces to ease the QGD's usual cramp and reach a sound, balanced game – Emanuel Lasker's reliable equalising weapon.

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6

A sound, respected way to meet the Queen's Gambit Declined. After the ...h6 ...b6 set-up, Black fianchettoes the light-squared bishop to b7, freeing the cramped queenside and pressing on White's centre to reach a solid, balanced game.

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6

A flexible, modern Slav set-up where Black plays an early ...a6. The quiet pawn move prepares ...b5 to grab queenside space and clears the way for the light-squared bishop, giving Black many ways to unbalance the game without committing the centre too soon.

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5

The classical main-line Slav. Black meets the Queen's Gambit with 2...c6, then after 4...dxc4 5.a4 develops the light-squared bishop to f5 before playing ...e6 – solving the Slav's eternal problem of the "bad" bishop by getting it outside the pawn chain first.

1.d4 d5 2.c4 c6 3.cxd5 cxd5

The Exchange Slav arises when White trades pawns on d5, melting the central tension into a symmetrical structure. It looks tame and drawish, but the small edge of the first move and a long, technical middlegame still reward the more precise player.

1.d4 d5 2.c4 e6 3.Nc3 c5

The Tarrasch Defence meets the Queen's Gambit with the bold 3...c5, willingly accepting an isolated d-pawn in return for free, active development and open lines. It is principled, fighting chess that Siegbert Tarrasch championed all his life.

1.d4 Nf6 2.Nf3 e6 3.Bg5

A calm system opening where White plays d4, Nf3 and Bg5, developing the dark-squared bishop outside the pawn chain before locking the centre. It avoids sharp main-line theory in favour of a flexible, easy-to-learn setup that aims for a small, lasting pull.

1.d4 Nf6 2.c4 g6 3.Nc3 d5

The Grünfeld is a fighter's reply to 1.d4: instead of clinging to the centre, Black hands White an imposing wall of pawns – then sets out to prove it is a target, not a fortress. A fianchettoed bishop slices the long diagonal while ...c5 chips away until the proud centre cracks.

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3

The sharpest, most principled test of the Grünfeld. White accepts a huge pawn centre on c3, d4 and e4; Black declines to occupy the centre and instead attacks it with the g7-bishop, ...c5 and pressure on d4. A rich strategic battle: White's space and centre versus Black's piece play and pawn breaks.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7

A bold, asymmetric weapon: Black calmly lets White build a towering pawn centre, fianchettoes the bishop on g7 and castles – then strikes back. Once the centre locks, the sides race in opposite directions: White rolls pawns on the queenside while Black flings the f-, g- and h-pawns at White's king. Sharp, double-edged chess.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5

The Classical is the main highway of the King's Indian. White builds a broad pawn centre and rolls forward on the queenside, while Black locks the centre and launches a kingside pawn storm with ...f5, ...f4 and ...g5. Both sides race to attack on opposite wings.

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4

Meet 1.d4 with a plan that is part chess, part judo. After 3.Nc3 Bb4, Black pins White's knight and fights for the key e4-square with pieces rather than pawns. Trade the bishop for the knight at the right moment and White is often left with doubled pawns to nurse – one of the soundest replies to the Queen's Pawn.

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

The Classical Variation answers the Nimzo-Indian pin with 4.Qc2. By guarding c3 in advance, White can recapture on c3 with the queen rather than a pawn, avoiding the doubled c-pawns that define many other Nimzo lines. The reward is the bishop pair and a sound structure.

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

The Rubinstein is White's calm main-line answer to the Nimzo-Indian: 4.e3 develops quietly, keeps the structure flexible and steers play into a deep strategic middlegame rather than an early skirmish.

1.d4 Nf6 2.c4 e6 3.Nf3 b6

A patient, deeply strategic answer to 1.d4: Black says you can have the big centre - I will surround it. With ...b6 and a fianchetto of the queen's bishop, Black clamps down on the light squares, fights for e4 and the long diagonal, and keeps a famously flexible, hard-to-crack position prized at world-championship level.

1.d4 Nf6 2.c4 c5 3.d5 b5

A bold positional gambit where Black gives up a wing pawn for lasting pressure down the half-open a- and b-files. Rather than a quick tactical strike, the Benko offers slow, durable compensation that can outlast the extra pawn deep into the endgame.

1.d4 Nf6 2.c4 c5 3.d5 e6

The Benoni is chess as a calculated gamble. Black hands White a broad pawn centre and a cramped position, then undermines it with relentless energy. White's d5 spearhead faces Black's c5 and d6 pawns, sparking warring plans on opposite wings. It is one of the sharpest, most uncompromising replies to 1.d4.

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+

The Bogo-Indian is a calm, reliable answer to 1.d4 in which Black checks on b4 to ease development and invite simplifying trades. It is the lower-theory cousin of the Nimzo-Indian, reached when White plays 3.Nf3 instead of 3.Nc3, and it suits players who want a sound, flexible game without heavy memorisation.

1.d4 Nf6 2.c4 e5

The Budapest Gambit answers 1.d4 Nf6 2.c4 with the bold 2...e5, sacrificing a pawn after 3.dxe5 Ng4. Black trades a pawn for fast development, open lines and tactical chances that can catch unprepared 1.d4 players off guard.

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3

A heavyweight Grünfeld main line where White plays 5.Qb3 to lean on d5 and the b7-pawn. After Black gives up the centre with ...dxc4, White recaptures and builds a big pawn centre, leading to richly analysed positional middlegames.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5

The Averbakh is White's anti-King's-Indian system where the bishop drops to e2 and then pins on g5 before Black can play the freeing ...e5. By controlling that break and keeping a broad pawn centre, White aims for a lasting space clamp.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3

White answers the King's Indian by fianchettoing his own light-squared bishop with g3 and Bg2. It is a calm, positional anti-KID set-up that trades sharp attacks for a solid, harmonious structure and long-term central control.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4

The most aggressive answer to the King's Indian: White plants pawns on c4, d4, e4 and f4, grabbing huge space and threatening a kingside steamroller. It is double-edged – the broad centre is powerful but can become a target if Black's counterplay with ...c5 or ...e5 hits home.

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

In the Sämisch, White answers the King's Indian with the rugged 5.f3, cementing the e4-pawn and sketching out a kingside pawn storm. It is a fighting try where both sides often attack on opposite wings, leading to sharp, double-edged positions.

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3

White meets the Nimzo-Indian pin with 4.a3, forcing Black to swap the bishop on c3. White's c-pawns are doubled, but in return White gets the bishop pair and a broad pawn centre aimed at a kingside attack. Black plays against the weakened pawns and the doubled c4-pawn.

1.d4 Nf6 2.c4 d6

The Old Indian is Black's restrained answer to 1.d4 Nf6 2.c4: meet the centre with ...d6 and ...e5, but keep the dark-squared bishop on e7 rather than fianchettoing it. The result is a solid, slightly cramped structure that is hard to crack and easy to understand.

1.c4

Imagine claiming the centre not through the front door, but by slipping in from the side. The English Opening (1.c4) does just that - contesting d5, fianchettoing a bishop along the great diagonal, and starting a slow strategic wrestling match where understanding beats memorisation. A flexible favourite of world champions.

1.c4 e5

The Reversed Sicilian arises after 1.c4 e5, where White plays a Sicilian Defence with the colours flipped and a useful extra tempo. It mixes flank pressure on d5 with classical development, giving White a flexible, low-risk way to fight for the initiative.

1.c4 c5

In the Symmetrical English, Black answers 1.c4 with 1...c5, copying White's flank move. Both sides often fianchetto on g2/g7 and develop knights to natural squares, producing balanced, manoeuvring positions where White nurses a small first-move initiative.

1.Nf3 d5 2.g3

A flexible system rather than a single move order: White builds a King's Indian formation - fianchettoed bishop, pawns on d3 and e4 - and aims a slow but dangerous attack at Black's king.

1.Nf3 d5 2.c4

The Réti is the thinking player's flank opening: instead of grabbing the centre with pawns, White prods it from the side with Nf3 and c4, then fianchettoes to g2 so the army glares down the long diagonal. It is hypermodern chess in a nutshell – let Black build a pawn centre, then surround it.

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4

A system where White plants pawns on c4 and e4 and fianchettoes the king's bishop, building a rock-solid grip on the d5 square. It is less about quick tactics and more about a long, strategic squeeze on the light squares.

1.b3

The Nimzo-Larsen Attack begins 1.b3, fianchettoing the queen's bishop to b2 where it rakes the long diagonal toward Black's kingside. It is a flexible, hypermodern flank opening that sidesteps mainstream theory and invites Black to occupy the centre, which White then pressures with pieces.

1.f4

Bird's Opening begins with the bold 1.f4, planting a flag on the e5 square before either centre pawn has moved. It is essentially a Dutch Defence with colours reversed, handing White an extra tempo to chase a kingside attack - an offbeat surprise weapon that pulls opponents out of memorised lines.

1.b4

A true sidestep: 1.b4 grabs queenside space and fianchettoes the dark-squared bishop along the long diagonal. It dodges mainstream theory and invites creative, original play, though Black equalises comfortably with accurate moves.

1.d4 d5 2.c4 e5

A bold reply to the Queen's Gambit: Black gives up a pawn with 2...e5 to plant a cramping pawn on d4 and grab the initiative. Offbeat but tactically rich, it suits players who enjoy active, attacking chess as Black.

1.d4 d5 2.e4 dxe4 3.Nc3

A swashbuckling queen's-pawn gambit. White gives up a pawn after 1.d4 d5 2.e4 to rip open the centre, then often a second with f3, gaining fast development, the open f-file and a dangerous attack against Black's king.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4

The Evans Gambit is one of the great romantic weapons of the Italian Game. With the cheeky thrust 4.b4, White hurls a pawn into Black's path purely to gain time, build a sweeping pawn centre and fling open lines for a lightning attack. Loved by Morphy and revived by Kasparov, it turns a quiet Italian into a sharp, joyful brawl.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7

A swashbuckling old gambit where White feeds a knight to f7 to yank Black's king out into the open on move six. The king goes for a frightening walk to e6, and White's pieces swarm in with check after check. It is pure attacking chess – thrilling to play, terrifying to face, and a brilliant way to learn how a king hunt really works.

1.e4 e5 2.f4

A swashbuckling relic of chess's romantic age, the King's Gambit throws a pawn onto the fire on move two. White says: take my f-pawn, and in return I'll rip open the centre, swing my rook to the f-file, and chase your king. It is sharp, double-edged and gloriously old-fashioned - a duel of attack against material.

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4

A lively gambit where White meets 3...exd4 with 4.Bc4 rather than recapturing at once. The bishop targets the f7-square and White trades a pawn for fast development, central pressure and attacking chances against Black's king.

1.e4 c5 2.d4 cxd4 3.c3

A sharp anti-Sicilian where White sacrifices a pawn (sometimes two) for rapid development, open c- and d-files, and lasting pressure against the black king. It trades material for time and initiative – ideal for attackers who relish open positions.

1.e4 e5 2.d4 exd4 3.c3

A swashbuckling 19th-century gambit where White sacrifices one or even two pawns from move 3 to gain a huge lead in development and aim both bishops straight at Black's king. Romantic, aggressive and great fun – but objectively dubious if Black defends precisely.

1.d4 e5

A bold answer to 1.d4: with 1...e5 Black sacrifices a pawn for fast development and a notorious queen-trap trick. It is unsound against accurate play, but a lively surprise weapon in quick games.

1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6

A cheeky Petroff sideline where Black gives up a pawn after 3...Nc6 4.Nxc6 dxc6, betting on fast piece play, open lines and a basketful of nasty traps. Unsound against precise play but a feared online weapon.