144 relations: Albin Countergambit, Alekhine's Defence, Alexander Alekhine, Algebraic notation (chess), Anatoly Karpov, Aron Nimzowitsch, Artificial castling, Backward pawn, Benko Gambit, Benoni Defense, Bird's Opening, Bishop's Opening, Bobby Fischer, Boris Spassky, British Chess Championship, Budapest Gambit, Candidates Tournament, Caro–Kann Defence, Castling, Catalan Opening, Catalonia, Center Game, Checkmates in the opening, Chess, Chess endgame, Chess Informant, Chess middlegame, Chess opening book, Chess opening theory table, Chess strategy, Chess tactic, Closed Game, Colle System, Curaçao, Danish Gambit, David Bronstein, Doubled pawns, Draw (chess), Dunst Opening, Durkin Opening, Dutch Defence, Edward Winter (chess historian), Encyclopaedia of Chess Openings, English Opening, Ernst Grünfeld, Exchange (chess), Fianchetto, FIDE, FIDE titles, First-move advantage in chess, ..., Flank opening, Four Knights Game, French Defence, Gambit, Gambit Publications, Game, Garry Kasparov, Giuoco Piano, Glossary of chess, Grandmaster (chess), Grünfeld Defence, Grob's Attack, Gyula Breyer, Hedgehog (chess), Hypermodernism (chess), Indian Defence, Inverted Hungarian Opening, Irregular chess opening, Isaac Boleslavsky, Isolated pawn, Italian Game, Jeremy Silman, John Nunn, King's Fianchetto Opening, King's Gambit, King's Gambit, Falkbeer Countergambit, King's Indian Attack, King's Indian Defence, King's Pawn Game, Knight (chess), Larry Evans (chess grandmaster), Larsen's Opening, Latvian Gambit, List of chess gambits, List of chess openings, List of chess openings named after people, List of chess openings named after places, London System, Luis Ramírez de Lucena, Mikhail Botvinnik, Mikhail Tal, Modern Benoni, Modern Chess Openings, Modern Defense, Nick de Firmian, Nigel Short, Nimzo-Indian Defence, Nimzowitsch Defence, Old Indian Defense, Open Game, Pal Benko, Paul van der Sterren, Pawn (chess), Pawn structure, Pedro Damiano, Petrov's Defence, Philidor Defence, Pirc Defence, Queen's Gambit, Queen's Gambit Accepted, Queen's Gambit Declined, Queen's Gambit Declined, Cambridge Springs Defense, Queen's Indian Defense, Queen's Pawn Game, Raymond Keene, Réti Opening, Ruy López de Segura, Ruy Lopez, Sacrifice (chess), Samuel Reshevsky, Scandinavian Defense, Scotch Game, Semi-Closed Game, Semi-Open Game, Semi-Slav Defense, Shogi opening, Sicilian Defence, Sicilian Defence, Najdorf Variation, Slav Defense, Sokolsky Opening, Stonewall Attack, Tempo (chess), The Oxford Companion to Chess, Torre Attack, Transposition (chess), Two Knights Defense, Two Knights Defense, Fried Liver Attack, U.S. Chess Championship, Vasily Smyslov, Vienna Game, White and Black in chess, World Chess Championship, World Chess Championship 1972, Zukertort Opening. Expand index (94 more) » « Shrink index
The Albin Countergambit is a chess opening that begins with the moves: and the usual continuation is: The opening is an uncommon defense to the Queen's Gambit.
Alekhine's Defence is a chess opening which begins with the moves: Black tempts White's pawns forward to form a broad pawn centre, with plans to undermine and attack the white structure later in the spirit of hypermodern defence.
Alexander Alekhine (Алекса́ндр Алекса́ндрович Але́хин, Aleksandr Aleksandrovich Alekhin;; March 24, 1946) was a Russian and French chess player and the fourth World Chess Champion.
Algebraic notation (or AN) is a method for recording and describing the moves in a game of chess.
Anatoly Yevgenyevich Karpov (Анато́лий Евге́ньевич Ка́рпов; born May 23, 1951) is a Russian chess grandmaster and former World Champion.
Aron Nimzowitsch (Ārons Nimcovičs, Аро́н Иса́евич Нимцо́вич, Aron Isayevich Nimtsovich; born Aron Niemzowitsch; 7 November 1886 – 16 March 1935) was a Russian-born, Danish leading chess grandmaster and influential chess writer.
In chess, artificial castling (also called castling by hand) refers to a maneuver in which a king which has lost the right to castle achieves a castled position in several normal moves, instead of the one special move.
In chess, a backward pawn is a pawn that is behind all pawns of the same color on the adjacent files and cannot be safely advanced.
The Benko Gambit (or Volga Gambit) is a chess opening characterised by the move 3...b5 in the Benoni Defence arising after: The Encyclopaedia of Chess Openings has three codes for the Benko Gambit.
The Benoni Defense is a chess opening characterized by the moves: Black can then sacrifice a pawn with 3...b5 (the Benko Gambit), otherwise 3...e6 is the most common move (although 3...d6 or 3...g6 are also seen, typically transposing to main lines).
Bird's Opening (or the Dutch Attack) is a chess opening characterised by the move: Bird's is a standard flank opening.
The Bishop's Opening is a chess opening that begins with the moves: White attacks Black's f7-square and prevents Black from advancing his d-pawn to d5.
Robert James Fischer (March 9, 1943January 17, 2008) was an American chess grandmaster and the eleventh World Chess Champion.
Boris Vasilievich Spassky (Бори́с Васи́льевич Спа́сский; born January 30, 1937) is a Russian chess grandmaster.
The British Chess Championship is organised by the English Chess Federation.
The Budapest Gambit (or Budapest Defence) is a chess opening that begins with the moves: Despite an early debut in 1896, the Budapest Gambit received attention from leading players only after a win as Black by Grandmaster Milan Vidmar over Akiba Rubinstein in 1918.
The Candidates Tournament is a chess tournament organized by FIDE, chess' international governing body, since 1950, as the final contest to determine the challenger for the World Chess Championship.
The Caro–Kann Defence is a chess opening characterised by the moves: The Caro–Kann is a common defence against the King's Pawn Opening and is classified as a "Semi-Open Game" like the Sicilian Defence and French Defence, although it is thought to be more solid and less dynamic than either of those openings.
Castling is a move in the game of chess involving a player's king and either of the player's original rooks.
The Catalan is a chess opening where White adopts a combination of the Queen's Gambit and Réti Opening: White plays d4 and c4 and fianchettoes the white bishop on g2.
Catalonia (Catalunya, Catalonha, Cataluña) is an autonomous community in Spain on the northeastern extremity of the Iberian Peninsula, designated as a nationality by its Statute of Autonomy.
The Center Game is a chess opening that begins with the moves: The game usually continues 3.Qxd4 Nc6, with a gain of tempo for Black due to the attack on the white queen.
In chess, checkmates in the opening are examples of a player being checkmated during the first few moves of the game (i.e. in the opening).
Chess is a two-player strategy board game played on a chessboard, a checkered gameboard with 64 squares arranged in an 8×8 grid.
In chess and chess-like games, the endgame (or end game or ending) is the stage of the game when few pieces are left on the board.
Chess Informant (Šahovski Informator) is a publishing company from Belgrade (Serbia, former Yugoslavia) that periodically (since 2012, four volumes per year) produces a book entitled Chess Informant, as well as the Encyclopaedia of Chess Openings, Encyclopaedia of Chess Endings, Opening Monographs, other print publications, and software (including electronic editions of most print publications).
The middlegame in chess refers to the portion of the game in between the opening and the endgame.
A chess opening book is a book on chess openings.
A chess opening theory table or ECO (Encyclopaedia Of Chess Openings) table presents lines of moves, typically (but not always) from the starting position.
Chess strategy is the aspect of chess playing concerned with evaluation of chess positions and setting of goals and long-term plans for future play.
In chess, a tactic refers to a sequence of moves that limits the opponent's options and may result in tangible gain.
A Closed Game (or Double Queen's Pawn Opening) is a chess opening that begins with the moves: The move 1.d4 offers the same benefits to development and center control as does 1.e4, but unlike with the King Pawn openings where the e4 pawn is undefended after the first move, the d4 pawn is protected by White's queen.
The Colle System, also known as the Colle–Koltanowski system, is a chess opening strategy for White introduced by Belgian Edgard Colle in the 1920s, and further developed by George Koltanowski.
Curaçao (Curaçao,; Kòrsou) is a Lesser Antilles island in the southern Caribbean Sea and the Dutch Caribbean region, about north of the Venezuelan coast.
The Danish Gambit, known as the Nordisches Gambit (Nordic Gambit) in German, and the Noors Gambiet (Norwegian Gambit) in Dutch, is a chess opening that begins with the moves: White will sacrifice one or two pawns for the sake of rapid and the attack.
David Ionovich Bronstein (Дави́д Ио́нович Бронште́йн; February 19, 1924 – December 5, 2006) was a Soviet chess grandmaster, who narrowly missed becoming World Chess Champion in 1951.
In chess, doubled pawns are two pawns of the same color residing on the same file.
In chess, a draw is the result of a game ending in a tie.
The Dunst Opening is a chess opening where White opens with the move: This fairly uncommon opening may have more names than any other: it is also called the Heinrichsen Opening, Baltic Opening, van Geet's Opening, Sleipnir Opening, Kotrč's Opening, Meštrović Opening, Romanian Opening, Queen's Knight Attack, Queen's Knight Opening, Millard's Opening, Knight on the Left, and (in German) der Linksspringer.
The Durkin Opening (also known as the Durkin Attack or the Sodium Attack) is a rarely played chess opening beginning with the move: The Durkin Opening is named for Robert James Durkin (1923–?) of New Jersey.
The Dutch Defence is a chess opening characterised by the moves: Black's 1...f5 stakes a serious claim to the e4-square and envisions an attack in the middlegame on White's; however, it also weakens Black's kingside some (especially the e8–h5 diagonal) and contributes nothing to Black's development.
Edward Winter (born 1955) is an English chess journalist, archivist, historian, collector and author.
The Encyclopedia of Chess Openings is a classification system for the opening moves in chess.
The English Opening is a chess opening that begins with the move: A flank opening, it is the fourth most popular and, according to various databases, anywhere from one of the two most successful to the fourth most successful of White's twenty possible first moves.
---- Ernst Franz Grünfeld (November 21, 1893 – April 3, 1962) was a leading Austrian chess grandmaster and chess writer, mainly on opening theory.
In the tactics and strategy in the board game of chess, an exchange (exchanging) or trade (trading) of chess pieces is series of closely related moves, typically sequential, in which the two players capture each other's pieces.
In chess, the fianchetto ("little flank") is a pattern of development wherein a bishop is developed to the second rank of the adjacent knight file, the knight pawn having been moved one or two squares forward.
The Fédération Internationale des Échecs or World Chess Federation is an international organization that connects the various national chess federations around the world and acts as the governing body of international chess competition.
The World Chess Federation, FIDE (Fédération Internationale des Échecs), awards several performance-based titles to chess players, up to and including the highly prized Grandmaster title.
The first-move advantage in chess is the inherent advantage of the player (White) who makes the first move in chess.
A flank opening is a chess opening played by White and typified by play on one or both flanks (the portion of the chess board outside the central d and e files).
The Four Knights Game is a chess opening that begins with the moves: This is the most common sequence, but the knights may in any order to reach the same position.
The French Defence is a chess opening characterised by the moves: This is most commonly followed by 2.d4 d5, with Black intending...c5 at a later stage, attacking White's and gaining on the.
A gambit (from ancient Italian gambetto, meaning "to trip") is a chess opening in which a player, more often White, sacrifices, usually a pawn, with the hope of achieving a resulting advantageous position.
Gambit Publications is a major publisher of chess books.
A game is a structured form of play, usually undertaken for enjoyment and sometimes used as an educational tool.
Garry Kimovich Kasparov (Га́рри Ки́мович Каспа́ров,; Armenian: Գարրի Կիմովիչ Կասպարով; born Garik Kimovich Weinstein, 13 April 1963) is a Russian chess grandmaster, former world chess champion, writer, and political activist, who many consider to be the greatest chess player of all time.
The Giuoco Piano (Italian: "Quiet Game"), also called the Italian Opening,Hooper & Whyld (1996), p. 183.
This page explains commonly used terms in chess in alphabetical order.
The title Grandmaster (GM) is awarded to chess players by the world chess organization FIDE.
The Grünfeld Defence (ECO codes D70–D99) is a chess opening characterised by the moves: Black offers White the possibility of cxd5, when after Nxd5 White further gets the opportunity to kick the Black Knight around with e4, leading to an imposing central pawn duo for White.
Grob's Attack is an unconventional chess opening where White immediately moves the king knight's pawn two squares ahead.
Gyula "Julius" Breyer (30 April 1893 Budapest – 9 November 1921) was a Hungarian chess player and 1912 Hungarian national champion.
The Hedgehog is a pawn formation in chess adopted usually by Black that can arise from several openings.
Hypermodernism is a school of chess that emerged after World War I. It featured challenges to the chess ideas of central European masters, including Wilhelm Steinitz's approach to the centre and the rules established by Siegbert Tarrasch.
In the game of chess, Indian defence is a broad term for a group of openings characterised by the moves: They are all to varying degrees hypermodern defences, where Black invites White to establish an imposing presence in the centre with the plan of undermining and ultimately destroying it.
The Inverted Hungarian Opening or Tayler Opening is an uncommon chess opening that starts with the moves: It is so-named because the position of White's bishop on e2 resembles that of Black's bishop on e7 in the Hungarian Defense.
In chess, irregular opening is a traditional term for any opening considered unusual or unorthodox.
Isaac Yefremovich Boleslavsky (Ісаак Єфремович Болеславський, Исаак Ефремович Болеславский; June 9, 1919 in Zolotonosha, Ukraine – February 15, 1977 in Minsk) was a Soviet chess grandmaster.
In chess, an isolated pawn is a pawn that has no friendly pawn on an adjacent.
The Italian Game is a family of chess openings beginning with the moves: The Italian Game is part of the large family of Open Games or Double King's Pawn Games.
Jeremy Silman (born August 28, 1954) is an American International Master of chess and writer.
John Denis Martin Nunn (born 25 April 1955 in London) is an English chess grandmaster, a three-time world champion in chess problem solving, a chess writer and publisher, and a mathematician.
The King's Fianchetto Opening or Benko's Opening (also known as the Hungarian Opening, Barcza Opening, or Bilek Opening) is a chess opening characterized by the move: White's 1.g3 ranks as the fifth most popular opening move, but it is far less popular than 1.e4, 1.d4, 1.c4 and 1.Nf3.
The King's Gambit is a chess opening that begins with the moves: White offers a pawn to divert the black e-pawn.
The Falkbeer Countergambit is a chess opening that begins: In this aggressive, Black disdains the pawn offered as a sacrifice, instead opening the centre to exploit White's weakness on the.
The King's Indian Attack (or KIA), also known as the Barcza System (after Gedeon Barcza), is a chess opening system for White.
The King's Indian Defence is a common chess opening.
The King's Pawn Game is any chess opening starting with the move: It is among the most popular opening moves in chess.
The knight (♘ ♞) is a piece in the game of chess, representing a knight (armored cavalry).
Larry Melvyn Evans (March 22, 1932 – November 15, 2010) was an American chess grandmaster, author, and journalist.
Larsen's Opening (also called the Nimzo–Larsen Attack or Queen's Fianchetto Opening) is a chess opening starting with the move: It is named after the Danish grandmaster Bent Larsen.
The Latvian Gambit (or Greco Countergambit) is a chess opening characterised by the moves: It is one of the oldest chess openings, having been analysed in the 17th century by Gioachino Greco, after whom it is sometimes named.
This is a list of chess openings that are gambits.
This is a list of chess openings, organized by the Encyclopaedia of Chess Openings code.
The Oxford Companion to Chess lists 1,327 named openings and variants.
The Oxford Companion to Chess lists 1,327 named openings and variants.
The London System is a chess opening that usually arises after 1.d4 and 2.Bf4 or 2.Nf3 & 3.Bf4.
Luis Ramírez de Lucena (c. 1465 – c. 1530) was a Spanish chess player who published the first still-existing chess book.
Mikhail Moiseyevich Botvinnik (Михаи́л Моисе́евич Ботви́нник,; – May 5, 1995) was a Soviet and Russian International Grandmaster and World Chess Champion for most of 1948 to 1963.
Mikhail Nekhemyevich Tal (Mihails Tāls; Михаил Нехемьевич Таль, Mikhail Nekhem'evich Tal,; sometimes transliterated Mihails Tals or Mihail Tal; 9 November 1936 – 28 June 1992) was a Soviet Latvian chess Grandmaster and the eighth World Chess Champion (from 1960 to 1961).
The Modern Benoni is a chess opening that begins with the moves 1.
Modern Chess Openings (usually called) is an important reference book on chess openings, first published in 1911 by the British players Richard Clewin Griffith (1872–1955) and John Herbert White (1880–1920).
The Modern Defense (also known as the Robatsch Defence after Karl Robatsch) is a hypermodern chess opening in which Black allows White to occupy the center with pawns on d4 and e4, then proceeds to attack and undermine this "ideal" center without attempting to occupy it himself.
Nicholas Ernest de Firmian (born July 26, 1957 in Fresno, California), is a chess grandmaster and three-time U.S. chess champion, winning in 1987 (with Joel Benjamin), 1995, and 1998.
Nigel David Short (born 1 June 1965) is an English chess grandmaster, chess columnist, chess coach and chess commentator.
The Nimzo-Indian Defence is a chess opening characterised by the moves: Other move orders, such as 1.c4 e6 2.Nc3 Nf6 3.d4 Bb4, are also feasible.
The Nimzowitsch Defence is a somewhat unusual chess opening characterised by the moves: This opening is an example of a hypermodern opening where Black invites White to occupy the of the board at an early stage with pawns.
The Old Indian Defense is a chess opening defined by the moves: This opening is distinguished from the King's Indian Defense in that Black develops his on e7 rather than by fianchetto on g7.
An Open Game (or Double King's Pawn Opening) is a chess opening that begins with the following moves: White has moved the king's pawn two squares and Black has replied in kind.
Pal Benko (Benkő Pál; born July 14, 1928) is a Hungarian–American chess grandmaster, author, and composer of endgame studies and chess problems.
Paul van der Sterren (born 17 March 1956 in Venlo, Netherlands) is a Dutch chess grandmaster.
The pawn (♙,♟) is the most numerous piece in the game of chess, and in most circumstances, also the weakest.
In chess, the pawn structure (sometimes known as the pawn skeleton) is the configuration of pawns on the chessboard.
Pedro Damiano (in Portuguese, Pedro Damião; Damiano is the Italian form, much like the Latin Damianus) was a Portuguese chess player who lived from 1480 to 1544.
Petrov's Defence or the Petrov Defence (also called Petroff's Defence, Russian Defence, and Russian Game) is a chess opening characterised by the following moves: Though this symmetrical response has a long history, it was first popularised by Alexander Petrov, a Russian chess player of the mid-19th century.
The Philidor Defence is a chess opening characterised by the moves: The opening is named after the famous 18th-century player François-André Danican Philidor, who advocated it as an alternative to the common 2...Nc6.
The Pirc Defence (correctly pronounced "peerts", but often mispronounced "perk"), sometimes known as the Ufimtsev Defence or Yugoslav Defence, is a chess opening characterised by Black responding to 1.e4 with 1...d6 and 2...Nf6, followed by...g6 and...Bg7, while allowing White to establish an impressive-looking centre with pawns on d4 and e4.
The Queen's Gambit is a chess opening that starts with the moves: The Queen's Gambit is one of the oldest known chess openings.
The Queen's Gambit Accepted (or QGA) is a chess opening characterised by the moves: The Queen's Gambit Accepted is the third most popular option on Black's second move, after 2...e6 (the Queen's Gambit Declined) and 2...c6 (the Slav Defense).
The Queen's Gambit Declined (or QGD) is a chess opening in which Black declines a pawn offered by White in the Queen's Gambit: This is known as the Orthodox Line of the Queen's Gambit Declined.
In chess, the Cambridge Springs Defense (or less commonly, the Pillsbury Variation) is a variation of the Queen's Gambit Declined that begins with the moves: Black breaks the pin on the h4–d8 diagonal and forms a pin of his own on the c3-knight (exploiting the absence of the White's queen bishop from the). If Black later plays dxc4, there may be threats against the g5-bishop.
The Queen's Indian Defense (QID) is a chess opening defined by the moves: The opening is a solid defense to the Queen's Pawn Game.
The Queen's Pawn Game is any chess opening starting with the move: It is the second most popular opening move after 1.e4.
Raymond Dennis Keene OBE (born 29 January 1948) is an English chess Grandmaster, a FIDE International Arbiter, a chess organiser, and a journalist and author.
The Réti Opening is a hypermodern chess opening whose traditional or classic method begins with the moves: White plans to bring the d5-pawn under attack from the, or entice it to advance to d4 and undermine it later.
Rodrigo (Ruy) López de Segura (c. 1530 – c. 1580) was a Spanish priest and later bishop in Segura whose 1561 book Libro de la invención liberal y arte del juego del Axedrez was one of the first definitive books about modern chess in Europe, preceded only by Pedro Damiano's 1512 book, Luis Ramírez de Lucena's 1497 book (the oldest surviving printed book on chess), and the Göttingen manuscript (authorship and exact date of the manuscript are unknown).
The Ruy Lopez, also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves: The Ruy Lopez is named after 16th-century Spanish bishop Ruy López de Segura.
In chess, a sacrifice is a move giving up a piece with the objective of gaining tactical or positional compensation in other forms.
Samuel Herman Reshevsky (born Szmul Rzeszewski; November 26, 1911 – April 4, 1992) was a Polish chess prodigy and later a leading American chess grandmaster.
The Scandinavian Defense (or Center Counter Defense, or Center Counter Game) is a chess opening characterized by the moves.
The Scotch Game, or Scotch Opening, is a chess opening that begins with the moves: Ercole del Rio, in his 1750 treatise Sopra il giuoco degli Scacchi, Osservazioni pratiche d’anonimo Autore Modenese ("On the game of Chess, practical Observations by an anonymous Modenese Author"), was the first author to mention what is now called the Scotch Game.
A Semi-Closed Game (or Semi-Closed Opening) is a chess opening in which White plays 1.d4 but Black does not make the symmetrical reply 1...d5.
A Semi-Open Game is a chess opening in which White plays 1.e4 and Black breaks symmetry immediately by replying with a move other than 1...e5.
The Semi-Slav Defense is a variation of the Queen's Gambit chess opening defined by the position reached after the moves: The position may readily be reached by a number of different.
A shogi opening (戦法) is the sequence of initial moves of a shogi game before the middle game.
The Sicilian Defence is a chess opening that begins with the following moves: The Sicilian is the most popular and best-scoring response to White's first move 1.e4.
The Najdorf Variation of the Sicilian Defence is one of the most respected and deeply studied of all chess openings.
The Slav Defense is a chess opening that begins with the moves: The Slav is one of the primary defenses to the Queen's Gambit.
The Sokolsky Opening (also known as the Orangutan or Polish) is an uncommon chess opening that begins with the move: According to various databases, out of the twenty possible first moves from White, the move 1.b4 ranks ninth in popularity.
The Stonewall Attack is a chess opening; more specifically it is a variation of the Queen's Pawn Game.
In chess and other chess-like games, tempo is a "turn" or single move.
The Oxford Companion to Chess is a reference book on the game of chess, written by David Hooper and Kenneth Whyld.
The Torre Attack is a chess opening characterized by the moves: or the Tartakower Variation in the Queen's Pawn Game (ECO code D03): or the Torre Attack in the East Indian Defence (ECO code A48): or the Torre Attack in the Indian Defence (ECO code A47).
A transposition in chess and other chess-like games is a sequence of moves that results in a position which may also be reached by another, more common sequence of moves.
The Two Knights Defense is a chess opening that begins with the moves: First recorded by Polerio (c. 1550 – c. 1610) in the late 16th century, this line of the Italian Game was extensively developed in the 19th century.
The Fried Liver Attack, also called the Fegatello Attack (named after an Italian idiom meaning "dead as a piece of liver"), is a chess opening.
The U.S. Chess Championship is an invitational tournament held to determine the national chess champion of the United States.
Vasily Vasilyevich Smyslov (Василий Васильевич Смыслов; 24 March 1921 – 27 March 2010) was a Soviet and Russian chess grandmaster, who was World Chess Champion from 1957 to 1958.
The Vienna Game is an opening in chess that begins with the moves: White's second move is less common than 2.Nf3, and is also more recent.
In chess, the player who moves first is referred to as "White" and the player who moves second is referred to as "Black".
The World Chess Championship (sometimes abbreviated as WCC) is played to determine the World Champion in chess.
The World Chess Championship 1972 was a match for the World Chess Championship between challenger Bobby Fischer of the United States and defending champion Boris Spassky of the Soviet Union.
The Zukertort Opening is a chess opening named after Johannes Zukertort that begins with the move: Sometimes the term "Réti Opening" is used to describe the opening move 1.Nf3, although most sources define the Réti more narrowly as the sequence 1.Nf3 d5 2.c4.