การเปิดเกมด้วย d4

A broad name for openings that begin with White advancing the pawn from d2 to d4.

An opening where White attacks Black's central pawn with the pawn that starts in front of the bishop beside the queen.

A Queen's Gambit variation in which Black captures White's offered c4-pawn with the pawn from d5.

A Queen's Gambit Accepted line where White advances the e-pawn to e4 and immediately builds a broad center.

A main Queen's Gambit Accepted line where both sides develop, White recovers c4, and Black attacks d4 with c5.

A Queen's Gambit response in which Black does not capture on c4 and supports the central d5-pawn with ...e6.

A variation where White trades the c-pawn for Black's central d-pawn, creating the asymmetric Carlsbad pawn structure.

A classical Queen's Gambit Declined line in which Black develops with ...Be7, ...O-O, and ...Nbd7 before resolving the center.

A Queen's Gambit Declined line in which Black plays ...h6 and ...Ne4 to exchange pieces and free the position.

A Queen's Gambit Declined line in which Black plays ...h6 and ...b6 to activate the c8-bishop through b7.

A Queen's Gambit Declined line in which Black plays ...Qa5 to create tactical pressure along the a5-e1 diagonal.

A Queen's Gambit Declined system defined by White's early development of the c1-bishop to f4.

A variation where Black advances the a7-pawn to a6 early, preparing a capture on c4 that the b-pawn can support.

A Queen's Gambit Declined defense combining a solid center with a bishop pin on White's knight to increase central pressure.

A Three Knights line where Black captures on c4 and challenges White to build or recover the center.

An active Queen's Gambit defense where Black challenges the center early and often accepts a central pawn without support from neighboring pawns.

A Queen's Gambit defense where Black develops the king-side knight before challenging the center with the c-pawn, often enabling a knight recapture.

A defense to the Queen's Gambit in which Black protects the d5-pawn with the pawn move ...c6.

A classical Slav line where Black captures on c4 and develops the c8-bishop to f5 before advancing the e7-pawn.

A Slav variation where White trades the c-pawn for Black's d-pawn and Black recaptures with the c-pawn.

A flexible Slav variation in which Black plays ...a6 to prepare ...b5 while keeping several pawn structures available.

A defense to the Queen's Gambit in which Black supports d5 with pawns on both c6 and e6.

A Semi-Slav line in which Black captures on c4 after Bd3 and gains queenside space with ...b5 while developing.

A very sharp Semi-Slav line in which Black captures on c4 and White builds a large center with e4.

A Semi-Slav line in which White answers ...h6 by exchanging the g5-bishop for the f6-knight and Black's queen recaptures.

A sharp Semi-Slav line in which White retreats the bishop to h4 and offers a pawn for a strong center and attacking activity.

A Semi-Slav line where White’s queen goes to c2 to support e4 and delay the decision about the f1-bishop.

A Semi-Slav line where Black’s f8-bishop goes to d6 to support a central advance and help secure the king quickly.

A line from Black’s c6, d5, and e6 pawn setup where Black captures on c4 and seeks two neighboring advancing pawns.

An aggressive line where White offers the e4-pawn to open the center against Black’s pawns on c6, d5, and e6.

A Queen's Gambit defense where Black develops the queen-side knight early and pressures the center with pieces instead of reinforcing it with pawns.

A defense in which Black develops the c8-bishop to f5 before supporting the central d5-pawn with the e-pawn.

An aggressive Queen's Gambit reply where Black offers a central pawn and seeks activity through a deeply advanced queen pawn.

The broad name for an opening family in which Black answers the queen pawn by moving the kingside knight out first.

A defense to d4 in which ...Bb4 pins the c3-knight and pressures White's center without filling it with black pawns.

A Nimzo-Indian variation where White's queen goes to c2 to support e4 and prepare a queen recapture on c3.

A broad Nimzo-Indian system defined by the e3 advance, a solid move that frees the king's bishop and permits flexible development.

A Nimzo-Indian system where White develops with e3, a knight on f3, and a bishop on d3 while Black attacks the center.

A Nimzo-Indian line where Black exchanges the bishop for the c3-knight, damages White's structure, and aims to close the center.

A Nimzo-Indian variation where Black answers e3 with b6 and prepares to develop the queen's bishop on b7.

A Nimzo-Indian variation where White advances the a-pawn, invites the exchange on c3, and accepts doubled pawns for two bishops.

An ambitious Nimzo-Indian variation where White advances the f-pawn to prepare a broad center with e4.

A Nimzo-Indian variation where White develops the dark-squared bishop to g5 before restricting it with e3.

A flexible Nimzo-Indian variation where White advances the g-pawn and prepares the king's bishop for g2.

A Nimzo-Indian variation where White's queen goes to b3 to attack Black's bishop on b4 immediately.

A Nimzo-Indian variation where White develops the king's knight to f3 before fixing the central pawn structure.

A defense to d4 in which Black prepares ...Bb7 with ...b6 and controls the center with pieces rather than occupying it immediately.

A White system that prepares the bishop on g2 to control a long diagonal, support the center, and help secure the king.

A line in which both sides develop a bishop on a long diagonal before deciding how to occupy or challenge the center.

A White system that advances the a2-pawn to a3, preventing Black’s bishop from reaching b4 and preparing the knight on c3.

A line where White immediately develops the b1-knight to c3 and allows Black’s bishop to move to b4.

A flexible system that advances the e2-pawn to e3, frees the f1-bishop, and helps White secure the king quickly.

A defense to d4 in which Black develops the bishop to b4 with check after White's king knight has moved to f3.

A Bogo-Indian line in which White blocks the check with Bd2 and Black supports the bishop with ...Qe7.

A Bogo-Indian branch in which Black gives a bishop check and, after White blocks it, retreats without exchanging.

A defense to d4 in which Black allows White to build a large pawn center and later challenges it with moves such as ...e5 or ...c5.

A major King's Indian line where White builds a broad center while Black prepares pawn advances that attack it.

A closed King's Indian line where White advances on the side where the queen began and Black advances on the side where the king began.

A King's Indian branch where White rapidly advances pawns on the side where the queen began.

A King's Indian variation where White locks the center before securing the king and tries to restrict Black's play.

A King's Indian system where White moves the bishop beside the queen out before deciding whether to lock the center.

A King's Indian variation where White plays f3 to reinforce e4 and prepare an aggressive expansion.

A Black formation against the Sämisch that prepares expansion and pressure on the side where the queens began.

A King's Indian variation where White develops the bishop to g2 for king safety and long-range pressure.

A variation where White places pawns on c4, d4, e4, and f4 to gain major space and dominate the center.

A King's Indian variation where White actively places the queenside bishop to restrain Black's central pawn advance.

A King's Indian variation where White advances the h-pawn early to control a square used by Black's knight.

A queen-pawn defense where Black builds a compact setup, prepares a central challenge with the e-pawn, and commonly develops the king-side bishop to e7.

A defense to d4 in which Black plays an early ...d5 and challenges White's pawn center immediately.

A Grünfeld line where White removes a central black pawn and builds a broad pawn center that Black immediately tries to attack.

A Grünfeld variation where White plays Qb3 to defend c4, pressure d5, and support a broad pawn center.

A Grünfeld variation in which both white knights and one black knight leave their starting squares early.

A response to the Grünfeld where White moves the bishop beside the queen out early, before pawns can close its diagonal.

An opening family where White develops the king's knight first and Black answers with a fianchetto and a central d5 strike.

A flexible defense to 1.d4 in which Black moves both knights before deciding how to advance the central pawns.

A d4 and c4 opening in which White prepares Bg2 to create long-term pressure along the long diagonal.

The Catalan branch in which Black captures the c4-pawn and accepts pressure in return for the extra pawn.

The Catalan branch in which Black keeps the d5-pawn and builds a compact central position instead of capturing on c4.

A family of defenses in which Black challenges White's center after d4, usually with ...c5.

A Benoni branch in which Black challenges White's center with ...c5 and ...e6, accepting less central space in return for active play.

A Modern Benoni line in which White develops quickly and keeps several ways to use the central space advantage.

A Modern Benoni line where White develops the king's bishop to g2 to reinforce the center and shelter the king.

A critical Modern Benoni line where White advances the f-pawn and gives an early bishop check from b5.

A defense to the queen pawn where Black places a pawn on e5 and normally builds pawn chains that close the center.

An opening where Black answers d4 immediately with the c-pawn to c5 and creates an unbalanced structure.

An opening where Black offers a pawn on the queen's side of the board to open lines and create lasting pressure.

The Benko branch in which White captures on b5 and wins a pawn while Black gains lasting pressure.

A family of responses in which White does not capture the b5-pawn and avoids the positions created by accepting it.

An active Black pawn offer combining central pressure with an advanced c-pawn and a b-pawn push.

An opening where Black offers an early central pawn to displace White's queen pawn, develop with threats, and try to regain the material.

A Budapest Gambit line where Black centralizes a knight to create quick threats instead of immediately recovering the offered pawn.

An immediate gambit against the queen pawn in which Black offers a pawn to bring pieces out quickly and create threats.

An active defense where Black answers White's queen-pawn advance by pushing a kingside pawn to contest the center.

A Dutch Defense branch where Black develops the kingside bishop directly rather than on the long flank diagonal, while keeping central flexibility.

A Classical Dutch system where Black’s queen goes to e8 to support the e6-pawn’s advance to e5 and a possible king attack.

A Dutch Defense branch combining an early pawn advance on the king's side with the kingside bishop on a long diagonal.

A Dutch Defense branch built around a fixed wall of four pawns that controls central squares, gains space, and restricts some of Black's pieces.

A reply to the Dutch Defense where White’s c1-bishop goes to g5 and questions Black’s natural knight development.

An aggressive line where White advances the e2-pawn to e4 and offers it to open the center against the Dutch Defense.

An opening system with d4 and an early development of the c1-bishop to f4 before e3 closes its diagonal.

A White system combining the usual London bishop placement with an early, active move by the knight beside the queen.

An opening system with d4, e3, Nf3, Bd3, and c3 that prepares the central advance e4.

A White system that uses a stable piece-and-pawn setup and brings the dark-squared bishop onto a long diagonal.

A White setup with d4, Nf3, and Bg5 that emphasizes easy development and pressure on the center and kingside.

An opening with 1.d4 and an early Bg5 that attacks the f6-knight and tries to unbalance the game immediately.

A White opening that moves the bishop beside the queen out very early to influence how Black organizes the pieces.

A d4 opening with Nc3 and Bg5 in which White develops quickly and often prepares the central e4 pawn push.

A system with d4, Nf3, Nc3, and Bf4 that brings pieces out easily and creates pressure against ...g6 and ...d5 setups.

A White opening system that builds a rigid pawn chain to support a central knight and prepare direct play against Black's king.

A queen's-pawn gambit in which White offers material to accelerate development and open attacking lines.

A line in which Black captures on e4 and then f3, while White remains a pawn down to bring pieces out quickly and create threats.

A family of lines in which Black takes on e4 but declines to capture the pawn offered on f3.

A defense to the queen pawn where Black brings a bishop onto a long diagonal and later attacks White's central pawns.