ChessOps - FULL GROUP-LIST

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FULL GROUP-LIST of all major
OPENINGS, DEFENCES, GAMBITS & VARIATIONS

Advanced players may find less-familiar openings to study here or in the Full Alpha-Index.

Beginners are advised to use the shortlist on the Clear screen.
Intermediate players should use the Short Group-List page.

Titles in bold type below indicate major lines (with separate description or "Jump" pages).

• FLANK OPENINGS
• Baltic / Dunst / Heinrichsen Opening
• Exchange Variation
• Novosibirsk Variation
• Barcza System
• Dutch Defence
• King's Indian Attack
• King's Indian Variation
• King's Indian Reversed
• Queen's Pawn Variation
• Grunfeld Reversed Variation
• Inverted Grunfeld Variation
• King's Indian Attack
• French Variation
• Sicilian Variation
• King's Indian Attack
• Bird's Opening
• Dutch Bird Variation
• Lasker Variation
• Mujannah System
• Schlechter Variation
• Williams Gambit
• Positional Variation
• From's Gambit
• Lasker Variation
• Lipke Variation
• Swiss Gambit
• Wagner Gambit
• English Opening
• Anglo-Dutch Defence
• Anglo-Polish-Dutch Opening
• Anglo-French Variation
• Anglo-Indian Defence
• Korchnoi Variation
• Czech Defence
• Mikenas-Carls (aka. Flohr-Mikenas) Variation
• French Variation
• Flohr Variation
• Kevitz Variation
• Sicilian Variation
• King's Knight Variation
• Nimzo-English Variation
• Smyslov Defence
• Anglo-Scandinavian Defence
• Anglo-Slav Defence
• English Defence
• Great Snake
• Adorjan Defence
• Jaenisch Gambit
• Sicilian Variation (aka. King's English Variation)
• Centre Variation
• Bremen (or Carls's) Variation
• Keres Variation
• Smyslov Variation
• Four Knights Variation
• Bellon Counter-Gambit
• Bradley Beach Variation
• Capablanca Variation
• Four Knights Fianchetto V.
• Nenarokov Variation
• Nimzowitsch Variation
• Romanishin Variation
• Nimzowitsch Variation
• Flohr Variation
• Sicilian Reversed Variation
• King's Fianchetto Variation
• Closed Variation
• Hort Variation
• Botvinnik System
• Three Knights System
• Smyslov Variation
• King's Fianchetto Variation
• Troeger Defence
• Symmetrical Defence
• Anti-Benoni Variation
• Hedgehog Variation
• Modern Variation
• Rubinstein Variation
• Symmetrical Four Knights Variation
• Geller Variation
• Ultra Symmetrical Defence
• Botvinnik system Reversed
• Grob Opening (or Spike Opening)
• Fritz Gambit
• King's Fianchetto Opening
• Dada Gambit
• Indian Defence
• Reverse Alekhine
• Reverse Pirc
• Larsen's /Queen's Fianchetto Opening
• Nimzowitsch Opening
• Orang-Utan / Polish / Sokolsky Opening
• Fisher Gambit
• Reti's/Zukertort Opening
• Main Line (aka. Landstrasse Gambit)
• Centre Counter Variation
• London Variation
• Bled Variation
• Bogoljubow Variation
• Capablanca Variation
• Torre Variation
• Neo-Catalan Opening (aka. Blümisch V.)
• Neo-Catalan Accepted
• Neo-Catalan Declined
• Reti Gambit Acc.
• Keres Variation
• Wing Blumenfeld (aka. Reverse Benoni)
  • Reti Polonaise
• (to) King's Indian Variation
• English Variation
• Lisitsin Gambit
• Old Indian Attack
• Tennison Gambit
• Wade Defence
• Saragossa Opening
• Van't Kruys Opening

• KING'S PAWN OPENINGS (Épine Dorsale)
• Mutual King's Pawn
• Alapin Opening (aka. Hippopotamus Game)
• Main Line
• Exchange Variation
• Hippopotamus Variation
• Bishop's Opening
• Berlin Defence
• Greco Gambit
• Ponziani Gambit
• Urusov Gambit
• Panov Variation
• Calabrian Counter-Gambit
• Jaenisch Variation
• Classical Variation
• Lopez Gambit
• Jerome Gambit
• Petroff Gambit
• Philidor Variation
• del Rio Variation
• Lewis Counter-Gambit
• Pratt Variation
• Wing (or McDonnell Single) Gambit
• McDonnell Double Gambit
• Four Pawns Gambit
• Philidor Counter-Attack
• Lisitsin Variation
• Centre Game
• Danish Gambit
• Danish Gambit Accepted
• Schlechter Defence
• Collijn Variation
• Sorensen Defence
• Kiezeritsky Variation
• Lanc-Arnold Gambit
• Paulsen Attack
• Berger Variation
• Winaver Variation
• Keres Variation
• Kupriechik Variation
• Steinitz Variation
• Charousek Variation
• L'Hermet Variation
• Centre Pawn Opening (aka. Lopez Opening or McLeod Attack)
• Norwalder Gambit
• Indian Opening
• King's Gambit
• King's Gambit Accepted
• Breyer Gambit
• Bishop's Gambit
• Bledow Variation
• Bryan (or Kieseritzky) Counter-Gambit
• Immortal Game
• Cozio Defence
• Lopez (or Classical) Defence
• Cozio Attack
• McDonnell Attack
• Fraser Variation
• Lopez-Gianutio Counter-Gambit
• Keres Gambit
• King's Knight's Gambit
• Abbazia Defence (aka. Modern Variation)
• Modern Variation
• Spassky Variation
• Becker Defence
• Classical Variation
• Allgaier Gambit
• Horny Defence
• Thorold Variation
• Walker Attack
• Ghulam Khassim Gambit
• Hanstein Gambit
• Kieseritzky Gambit
• Berlin Defence
• Kolisch Defence
• Paulsen Defence
• McDonnell Gambit
• Muzio Gambit
• Double Muzio Gambit
• Paulsen Variation
• Young Gambit
• Philidor (or Philidor-Greco) Gambit
• Greco (aka. Calabrian) Gambit
• Schultz Variation
• Rosentreter Gambit
• Sorensen Gambit
• Quaade Gambit
• Salvio Gambit
• Herzfeld Gambit
• Wild Muzio Gambit
• Cunningham Gambit
• Bertin Gambit
• Three Pawns' Gambit
• Fischer Defence
• Gianutio Counter Gambit
• Alapin Variation
• Schallopp Defence
• Lesser Bishop's Gambit
• Villemson Gambit
• Classical Defence
• Blackburne Variation
• Svenonius Variation
• Heath Variation
• Soldatenkov Variation
• Trap Variation
• Falkbeer Counter-Gambit
• Alapin Variation
• Morphy Gambit
• Nimzowitsch Variation
• Rubinstein Variation
• Tarrasch Variation
• Tartakower Variation
• Keene Defence
• Petrov's Defence
• King's Head Opening
• King's Knight Opening (Epine Dorsale)
• Damiano Defence
• Greco Defence
• Main Line (Epine Dorsale)
• Blackburne Shilling Gambit
• Chicago (aka. Irish) Gambit
• Four Knights Game
• Italian Variation
• Lopez Four Knights Game
• Double Ruy Lopez Opening
• Janowski Variation
• Paulsen Variation
• Svenonius Variation
• Symmetrical Variation
• Maroczy Variation
• Metger Variation
• Capablanca Variation
• Metger Unpin
• Pillsbury Variation
• Tarrasch Variation
• Ranken Variation
• Rubinstein Defence
• Bogoljubow Variation
• Exchange Variation
• Henneberger Variation
• M¨ller & Schultze Gambit (aka. Halloween Attack)
• Scotch Four Knights Game
• Belgrade Gambit
• Krause Variation
• Hungarian Defence
• Benima Defence
• Tartakower Variation
• Giuoco Piano / Italian / Quiet Opening
• Open Line
• Anderssen Variation
• Bird Attack
• Cracow Variation
• Greco Attack
• Greco Variation
• Aitken Variation
• Bernstein Variation
• Moller Attack
• Bayonet Attack
• Therkatz-Herzog Variation
• Steinitz Variation
• Close Line (aka. Strongpoint Defence)
• Eisinger Variation
• Mestel Variation
• Tarrasch Variation
• Evans Gambit
• Evans Counter-Gambit
• Evans Gambit Accepted
• Alapin Variation
• Alapin-Steinitz Variation
• Lasker Defence
• Saunders-Alapin Variation
• Tartakower Attack
• Compromised Defence
• Paulsen Variation
• Potter Variation
• Cordel Variation
• Evergreen Game
• Mayet Defence
• Normal Position
• Morphy Attack
• Fraser Attack
• Ulvestad Variation
• Jaenisch Variation
• Richardson Attack
• Waller Attack
• Evans Gambit Declined
• Hirschbach Variation
• Lange Variation
• Showalter Variation
• Four Knights Variation
• Jerome Gambit
• Pianissimo Variation
• Canal Variation
• Normal Variation
• Dubois Variation
• Italian Gambit
• Two Knights Defence
• Holzhausen Attack
• Steinitz Defence
• Rosentreter Variation
• Bourdonnais Variation
• Miss in Baulk Variation
• Paris Defence (or Semi-Italian Opening)
• Ponziani's Opening
• Jaenisch Counter-Attack
• Fraser Defence
• Leonhardt Defence
• Ponziani Counter-Gambit
• Schmidt Attack
• Steinitz Variation
• Rousseau Gambit
• Ruy Lopez / Spanish Opening
• Alapin Defence
• Barnes Defence (aka. Fianchetto Defence)
• Berlin Defence
• Beverwijk Variation
• "Centre" Variation
• Nyholm Attack
• Chigorin Variation
• Fishing Pole Variation
• (to) Mortimer Defence
• Kaufmann Variation
• Mortimer Trap
• L'Hermit Variation
• Pillsbury Variation
• Rio de Janeiro Variation
• Rosenthal Variation
• Showalter Variation
• Winawer Variation
• Bird Defence
• Classical Defence (aka. Cordel Def.)
• Benelux Variation
• Cordel Variation
• Semi-Bird Variation
• Zaitsev Variation
• Cozio Defence
• Morphy Defence
• Alapin Defence Deferred
• Anderssen Variation
• Duras Variation
• Archangel Variation
• Planinc Variation
• Wing Attack
• Caro Variation
• Graz Variation
• Wing Variation
• Classical Defence Deferred
• Close Defence
• Averbakh Variation
• Bogoljubow Variation
• Breyer Variation
• DERLD Variation
• Centre Attack (aka. Mackenzie Variation)
• Basque Gambit
• Classical Chigorin Variation
• Chigorin Defence (alt. route)
• Leonhardt Variation
• Chigorin Defence (main route)
• Borisenko Variation
• Keres Variation
• Panov Variation
• Rubinstein Variation
• Rauzer Variation
• Keres Variation
• Kholmov Variation
• Lenzerheide (or Zaitsev) Variation
• Marshall Counter Attack
• Anti-Marshall Variation
• Noah's Ark Trap
• Smyslov Variation
• Worrall Attack
• Cozio Defence Deferred
• Exchange Variation
• Alapin Gambit
• Alapin Variation
• Alekhine Variation
• Keres Variation
• Exchange Variation Deferred (aka. Bayreuth Variation)
• Jaffe Gambit
• Moller Defence (aka. Neo-Archangel Variation)
• Open Defence (aka. Tarrasch Defence)
• Berlin Variation
• Classical Defence
• Breslau Variation
• St. Petersburg Variation
• Malkin Variation
• Tarrasch Trap
• Harksen Gambit
• Howell Attack (aka. Moscow Attack / Keres Variation)
• Italian Variation
• St. Petersburg Variation
• Albin Variation
• Baguio Variation
• Dilworth Attack
• Mackenzie Variation
• Riga Variation
• Schlechter Defence
• Berger Variation
• Russian Defence (aka. Steinitz Variation)
• Schliemann Defence Deferred
• Steinitz Defence Deferred
• Alapin Variation
• Bronstein Variation
• Duras System
• Kecskemet Variation
• Noah's Ark Trap
• Rubinstein System
• Siesta Variation
• Kopayev Variation
• Tarrasch Variation
• Wormald Attack
• Steinitz Defence
• Nimzowitsch Attack
• Showalter Variation
• Tarrasch Trap
• Schliemann Defence (aka. Jaenisch Gambit)
• Berger Variation
• Scotch Game
• Blackburne Attack
• Blumenfeld Variation
• Goring Gambit
• Bardeleben Variation
• Lolli Variation
• Meitner Variation
• Paulsen Attack
• Potter Variation
• Pulling Counter-Attack
• Horwitz Attack
• Steinitz Variation
• Relfsson Gambit
• Scotch Gambit
• Anderssen Counter-Attack
• Benima Defence
• Tartakower Variation
• Cochrane Variation
• Dubois-Reti Defence
• Hanneken Variation
• Schmidt Variation
• Mieses Variation
• Scotch Four Knights Game
• Tarrasch Variation
• Tartakower Variation
• Taylor Opening (aka. Inverted Hungarian O.)
• Inverted Hanham Opening
• Three Knights Opening
• Schlechter Variation
• Steinitz Variation
• Winawer Defence
• Two Knights Defence
• Knight Attack
• Fegatello ("Fried Liver") Attack
• Leonhardt Variation
• Polerio Defence
• Fritz Variation
• Gruber Variation
• Lolli Attack
• Morphy Variation
• Two Knights Gambit
• Blackburne Variation
• Colman Variation (aka. Bogoljubow Variation)
• Kieseritzky Attack
• Knorr Variation
• Steinitz Variation
• Ulvestad Variation
• Wilkes-Barre Defence (aka. Traxler V.)
• Centre-Play Variation
• Max Lange Attack
• Krause Variation
• Anti-Lange Variation
• Canal Variation
• Modern Bishop's Opening
• Latvian (or Greco) Counter-Gambit
• Keres Variation
• Poisoned Pawn Variation
• Svedenborg Variation
• Petroff's Defence
• Italian Variation
• Boden-Kieseritzky Gambit
• Lichtenhein Defence
• Main Line
• Cochrane Gambit
• Close Variation
• Damiano Variation
• French Variation
• Kaufmann Variation
• Lasker Variation #1
• Main continuation
• Chigorin Variation
• Jaenisch Variation
• Lasker Variation #2
• Marshall Attack
• Marshall Trap
• Ruy Lopez Variation
• Russian Three Knights Variation
• Steinitz Attack
• Symmetrical Variation
• Trifunovic Variation
• Modern Variation
• Steinitz Variation
• Bardeleben Variation
• Philidor's Defence
• Albin Variation
• Hanham Variation
• Delmar Variation
• Kmoch Variation
• Berger Variation
• Trap Variation
• Krause Variation
• Steiner Variation
• Nimzowitsch Variation
• Schlechter Variation
• Exchange Variation
• Antoshin Variation
• Jaenisch Counter-Attack
• Hanham Variation
• Locock Gambit
• Rellstab Variation
• Sokolsky Variation
• Sozin Variation
• Paulsen Attack
• Opera Box Variation
• Philidor Counter-Gambit
• Del Rio Attack
• Zukertort Variation
• Steiner Variation
• Steinitz Variation
• Queen's Pawn Counter-Gambit
• Main Line
• Maroczy Gambit (aka. Elephant Gambit)
• Paulsen Gambit
• Wasp Variation
• Vienna Game
• Anderssen Defence
• Hamppe Variation
• Falkbeer Variation
• Main Line
• Breyer Variation
• Kaufmann Variation
• Oxford Variation
• (to) Wurtzburger Trap
• Paulsen Attack (aka. American Attack)
• Bardeleben Variation
• Heyde Variation
• Spielmann Variation
• Steinitz Variation
• Blackburne Variation
• Stanley Variation
• Adams Gambit
• Alekhine Variation
• Bishop Variation
• Eifel Gambit
• Frankenstein-Dracula Variation
• Mieses Variation
• Max Lange Defence
• Fyfe Gambit
• Paulsen Variation
• Vienna Gambit
• Hamppe-Allgaier Gambit
• Hamppe-Muzio Gambit
• Pierce Gambit
• Steinitz Gambit
• Unilateral King's Pawn
• Alekhine's Defence
• Krejcik Variation
• Main Line
• Alekhine Gambit
• Exchange Variation
• Four Pawns' Attack
• Ilyin-Genevsky Variation
• Trifunovich Variation
• Knight's Tour (aka. Mokele Mbembe)
• Holderlin Variation
• Modern Variation
• Flohr Variation
• Panov Variation
• Sämisch Attack
• Two Pawns' Attack (aka. Lasker Variation)
• Lasker Simul Gambit
• Maroczy Variation
• Scandinavian Variation
• Spielmann Variation
• Barnes Defence
• Caro-Kann Defence
• King's Indian Attack
• Caro-Masi Defence
• English Variation (aka. Accelerated Panov)
• Main Line
• Advance Variation
• Bayonet Attack
• Classical Variation
• Maroczy Attack
• Spassky Variation
• Exchange Variation
• Panov Attack
• Panov-Botvinnik Attack
• Czerniak Variation
• Normal Variation
• Spielmann Counter Attack
• Gurgenidze Variation
• Knight Variation
• Bronstein-Larsen Variation
• Tartakower Variation
• Forgacs Variation
• Steinitz Variation
• Two Knights Variation
• Spielmann Variation
• Lutikov Variation
• Centre Counter Game (or Scandinavian Defence)
• Anderssen Variation
• Collijn Variation
• Kotrc-Mieses Gambit
• Lasker Variation
• Lemberg Gambit
• Marshall Gambit
• Icelandic Gambit
• Portuguese Variation
• Scandinavian Marshall Gambit
• Franco-Benoni Defence
• Blockade Variation
• Franco-Indian Defence
• English Defence
• Keres Defence
• French Defence
• Advance (aka. Nimzowitsch) Variation
• Nimzowitsch Gambit
• Paulsen Attack
• Milner-Barry Gambit
• Steinitz Variation
• Wade Variation
• Barmann Variation
• Diemer-Duhm Gambit
• Exchange Variation
• Hanham Variation
• Kingston Defence (aka. Frutch Defence)
• Franco-Hiva Gambit
• Paulsen Variation
• Anderssen Variation
• Richter Variation
• Albin-Chatard-Alekhine Attack
• Burn Variation
• Classical Variation
• stahlberg Variation
• McCutcheon Variation
• Bernstein Variation
• Lasker Variation
• Marshall Variation
• Rubinstein Variation
• Steinitz Variation
• Svenonius Variation (aka. Exchange Deferred)
• Swiss Variation
• Winawer Defence
• Advance Variation
• Armenian Variation
• Bogoljubow Variation
• Poisoned Pawn Variation
• Euwe Variation
• Positional Variation
• Rauzer Variation
• Smyslov Variation
• Fingwerslip Variation
• Kondratiyev Variation
• Maroczy Variation
• Alekhine Variation
• Kan Variation
• Pelikan Variation
• Two Knights Variation
• Steiner Variation
• Tarrasch Variation
• Closed Tarrasch
• Botvinnik Variation
• Korchnoi Gambit
• Leningrad Variation
• Guimard Variation
• Open Tarrasch
• Eliskases Variation
• Modern (or Robatsch) Defence
• Austrian Attack
• Centre Play Variation
• Gurgenidze Variation
• Pirc Defence Deferred
• Suttles Variation
• Pseudo-Balogh Defence
• Rossolimo Variation
• Nimzovitch Defence
• Scandinavian Variation
• Bogoljubow Variation
• Marshall Gambit
• Franco-Nimzowitsch Variation
• Kennedy Variation
• Williams Variation
• Dodo Variation
• Pillsbury Defence
• Balogh Defence
• Longfellner System
• Pillsbury (Pirc) Defence
• Exchange Variation
• Philidor Gambit
• Pirc Defence
• Austrian Attack
• Pirc-Robatsch Defence
• Weiss Variation
• Byrne Variation
• 150 Attack (aka. Caveman Attack)
• Queen's Fianchetto (aka. Owen) Defence
• Guatemala Defence
• St. George Defence (aka. Baker Opening / Ryan Opening)
• Polish Variation
• Three Pawns Attack
• St. George Gambit
• Sicilian Defence
• Alapin Variation
• Close Variation
• Botvinnik Variation
• Grand Prix Attack
• Fischer Variation
• Korchnoi Variation
• Smyslov Variation
• Staunton System
• Main Line
• to Dragon Variation
• Alatortsev Variation
• Anderssen Variation
• Chekhover Variation (aka. Hungarian Variation)
• Dragon Variation
• Amsterdam Variation
• Grigoriev Variation
• Dragon-Samisch Variation (aka. Yugoslav Attack)
• Byrne Variation
• Rauzer Variation
• Levenfish Attack
• Czerniak Attack
• Maroczy Bind
• Moscow Variation (or Rossolimo Atttack)
• Bronstein Gambit
• Sokolsky Variation
• Moscow Variation (aka. Rauzer / Riumin Variation)
• Venice Attack
• Najdorf Variation
• 6.f4 Variation
• Byrne Variation
• Lipnitsky Attack
• Modern Paulsen Variation
• Opocensky Variation
• Old Main Line
• Argentinian Variation
• Goteborg Variation
• Poisoned Pawn Variation
• Polugaevsky Variation
• Zagreb Variation
• Wing Gambit Deferred
• Hungarian (or Accelerated Fianchetto) Variation
• Nimzo-Rubinstein Defence
• O'Kelly Variation
• Maroczy Variation
• Orthodox Variation
• Rossolimo (or Hispano-Sicilian) Variation
• Gurgenidze Variation
• Accelerated Dragon
• Breyer Variation
• Gurgenidze Variation
• Boleslavsky Defence
• Louma Variation
• Bourdonnais-Lowenthal V.
• Dragon Variation
• Alekhine Variation
• Bernard Defence
• Nottingham Variation
• Stockholm Attack
• Tartakower Defence
• Flohr Variation
• Morra Gambit (#2)
• Nimzowitsch (or Carlsbad) Variation
• Pelikan Variation
• Bird Variation
• Chelyabinsk Variation
• Sveshnikov Variation
• Richter-Rauzer Attack
• Bondarevsky Variation
• Keres Variation
• Margate Variation
• Podebrady Variation
• Rauzer Variation
• Richter Variation
• Sicilian Four Knights Game
  
• Paulsen Variation
• American Attack
• Sicilian Gambit
• Sozin Attack
• Leonhardt Variation
• Magnus Smith Variation
• to Paulsen/Scheveningen/Taimanov Variations
• Marshall Variation
• King's Indian Attack
• Paulsen Variation
• Kan Variation
• Reti Variation (or Maroczy Bind)
• Taimanov Variation
• Scheveningen Variation
• Fischer Attack
• Leonhardt Variation
• Fischer Variation
• Velimirovic Variation
• Keres-Panov Variation
• Modern Paulsen Variation
• Tal Variation
• Vitolins Variation
• Sicilian Counter-Attack (aka. Pin Variation)
• Koch Variation
• Sicilian Four Knights Game
  
• Wing Gambit Deferred
• Szen Variation
• Taimanov Variation
• Philidor (f4) Variation
• Philidor (Bb4) Variation
• Sicilian Centre Game
• Morra Gambit (#1)
• Andreaschek Gambit
• Wing Gambit

• QUEEN'S PAWN OPENINGS
• Charlick Gambit (aka. Englund Counter-Attack)
• Blackburne-Hartlaub Gambit
• Englund Gambit
• stockholm Variation
• Colle System
• Lundin / Nimzovitch Queen's Pawn Defence
• Kevitz-Trajkovic Defence
• Mieses Opening (aka. Valencia Opening)
• King's Indian Attack
• Old Benoni Defence
• Blockade Variation
• Clarendon Court Variation (aka. Mujannah Variation)
• Benoni-Staunton Gambit
• Schmid Variation
• Woozle Variation
• Queen's Gambit
• Queen's Gambit Accepted
• Alekhine Variation
• Classical Variation
• Flohr Variation
• Furman Variation
• Rubinstein Variation
• Smyslov Variation
• Steinitz Variation
• Haberditz Variation
• Janowski-Larsen (aka. Modern) Variation
• Mannheim Variation
• Old Variation
• Saduleto Variation (aka. Central Variation)
• Schwartz Defence
• Showalter Variation
• Smyslov Variation
• Orthodox Queen's Gambit Declined
• Exchange Variation
• Chameleon Variation
• Two Queens Trap
• Harrwitz Attack
• Janowski Variation
• Petrosian Variation
• Pillsbury Development
• Cambridge Springs Defence
• Bogoljubow Variation
• Argentine Variation
• Capablanca Variation
• Rubinstein Variation
• Yugoslav Variation
• Capablanca Anti-Cambridge
• Lasker's Defence
• Lasker Variation
• Manhattan Variation
• Neo-Orthodox Defence
• Lasker Variation
• Tartakower Variation
• Orthodox Defence
• Botvinnik Variation
• Orthodox Fianchetto
• Classical Variation
• Capablanca Freeing Manoevre
• Rubinstein Attack
• Carlsbad Variation
• Grunfeld Variation
• Exchange Variation
• Henneberger Variation (aka. Swiss Variation)
• Petrosian Variation
• Rauzer Variation
• Rubinstein Variation (aka. Argentine Variation)
• Been and Koomen Variation (aka. Dutch Variation)
• Peruvian Gambit
• Venice Variation
• Ragozin Variation
• Semi-Slav Defence
• Abrahams Variation
• Anti-Meran Gambit
• Bogoljubow Variation
• Botvinnik System
• Chigorin Variation
• Exchange Variation
• Ekstroöm Variation
• Marshall Gambit
• Meran Variation
• Blumenfeld Variation
• Botvinnik Variation
• Rabinovich Variation
• Sozin Variation
• Wade Variation
• Neo-Meran Variation (aka. Lundin Variation)
• Romi Variation
• Rubinstein Variation
• Stoltz Variation
• Samisch Variation
• Semi-Tarrasch Defence
• Pillsbury Variation
• Primitive Pillsbury
• Tarrasch Defence
• Marshall Gambit
• Rubinstein Attack (aka. Schlechter Variation)
• Folkestone Variation (aka. Swedish Variation)
• Prague Variation
• Normal Position
• Schara-Hennig (aka. Hennig-Schara) Gambit
• Symmetrical Variation
• Levenfish Variation
• Tarrasch Gambit
• Moscow (aka. Duras) Variation
• Vienna Variation
• Albin Counter-Gambit
• Alapin Variation
• Fianchetto Variation
• Lasker Trap
• Tartakower Defence
• Chigorin Defence
• Exchange Variation
• Main Line
• Janowski Variation
• Marshall Defence
• Slav Defence
• Exchange Variation
• Symmetrical Line
• Trifunovich Variation
• Main Line
• Alapin Variation
• Open Slav (aka. Czech Defence)
• Dutch Variation
• Sauml;misch Variation
• Krause Attack
• Carlsbad Variation
• Wiesbaden Variation
• Krause Variation
• Lasker Variation
• Soultanbeieff Variation
• Steiner Variation
• Alekhine Variation
• Amsterdam Variation
• Landau Variation
• Slav Gambit
• Tolusch-Geller Gambit
• Schlechter Variation
• Winawer Counter-Gambit
• Symmetrical (or Austrian) Defence
• Rubinstein Defence
• Queen's Pawn Game
• Alekhine Variation
• Anti-Colle Variation
• Blackmar Gambit
• Blackmar-Diemer Gambit
• Vienna Variation
• Elbert Countergambit
• Euwe Defence
• O'Kelly Defence
• McGrew Variation
• Ryder Gambit
• Tartakower Variation
• Teichmann Variation
• Ziegler Defence
• Lemberger Counter Gambit
• Chigorin Variation
• Huebsch Gambit
• Richter-Veresov Attack
• Krause Variation (aka. Accelerated Tarrasch)
• Levitsky Variation
• Mason Variation
• Steinitz Counter-Gambit
• Norris Gambit
• Stonewall Attack
• Queen's Bishop Game (aka. Romi Opening)
• Tartakower Variation
• Queen's Pawn Side Defences (aka. Indian Defences)
• Bogoljubow (or Bogo-Indian) Defence
• Exchange Variation
• Monticelli Trap
• Nimzowitsch Variation
• Benoni System
• Blumenfeld Variation
• Blumenfeld Counter-Gambit
• Rubinstein Variation
• Spielmann Variation
• Budapest Defence
• Fajarowicz Variation
• Bonsdorf Variation
• Steiner Variation
• Normal Variation
• Centre-Play Variation
• Abonyi Variation
• Balogh Gambit
• Adler Variation
• Spassky Variation
• Rubinstein Variation
• Catalan Opening
• Main Line
• Closed Variation
• Botvinnik Variation
• Sokolsky Variation
• Zagoryansky Variation
• Open Variation
• Alekhine Variation
• Tarrasch-Catalan Variation
• Queen's Catalan Variation
• Dory Defence
• Dutch Defence
• Classical Variation
• Dutch Indian Defence
• Alekhine Variation
• Ilyin-Genevsky Variation
• Winter Variation
• Leningrad System
• Matulovic Variation
• Warsaw Variation
• Rubinstein Variation
• Staunton Gambit Deferred
• Stonewall Defence
• Botvinnik Variation
• Alekhine Variation
• Alapin Variation
• Dutch Indian (aka. Modern Variation)
• Blackburne Variation
• Hort-Antoshin Variation
• Leningrad System
• Korchnoi Gambit
• Leningrad System
• Staunton Gambit
  • Alekhine Variation
  • Lasker Gambit
  • Balogh Defence
  • Nimzowitsch Variation
  • Staunton-Blackmar Gambit
  • Tartakower Attack
• East Indian Defence
• Przepiorka Variation (aka. Immediate Fianchetto Var.)
• London Variation
• Torre Attack
• Euwe Variation
• King's Indian Defence
• Anti-Grunfeld Variation
• Danube Gambit
• Attack Variation
• Averbakh Variation
• Classical Variation
• Aronin-Taimanov Variation
• Normal Variation
• Benko Attack
• Taimanov Variation (aka. Bayonet Attack
• Deferred Fianchetto Variation
• Exchange Variation (aka. Anderssen Variation)
• Gligoric Variation
• Larsen Variation
• Old Main Line
• Petrosian System
• Zinnowitz Variation
• Four Pawns Attack
• Dynamic Attack
• Six Pawns Attack
• Grünfeld Defence
• Brinckmann Attack
• Grunfeld Gambit
• Capablanca Variation
• Botvinnik Variation
• Main Line
• Exchange Variation
• Modern Exchange Variation
• Old Exchange Variation
• Larsen Variation
• Simagin Improved Variation
• Simagin Variation
• Spassky Variation
• Seville Gambit
• Alekhine Variation
• Sokolsky Variation
• Kemeri Variation
• Russian Variation
• Schlechter Variation
• Slav Variation
• Stockholm Variation
• Three Knights Variation
• Flohr Variation
• Hungarian Attack
• Hungarian Attack
• Russian Variation
• Classical Variation
• Prins Variation
• Simagin Variation
• Smyslov Variation
• Keres Variation
• Yugoslav Variation
• Szabo Variation
• Makogonov Variation
• Samisch Variation
• Accelerated Byrne
• Byrne System
• Double Fianchetto Variation
• Orthodox Variation
• Closed Variation
• Panno Variation #1
• Ruban Variation
• Smyslov Variation
• Fianchetto System / Strategic Variation
• Classical Variation
• Neo-Grunfeld Defence
• Counterthrust Variation
• Kemeri Variation
• Ultra-Delayed Exchange Variation
• Panno System
• Carlsbad Variation
• Spassky Variation (aka. Lesser Simagin Variation
• Simagin Variation
• Szabo Variation
• King's Knight Variation (towards Yugoslav)
• Blocked Variation
• Exchange Variation
• Yugoslav Panno
• Nimzowitsch Attack
• Kotov-Robatsch Defence
• Beefeater Defence
• Modern Benoni Defence
• Benko or Volga Gambit
• Benko Gambit Half Accepted
• Benko Gambit Accepted
• Zaitsev System
• Nescafe Frappe Attack
• Hromadka System
• Tal's Method
• Czech Benoni
• Classical Variation
• Argentine Counterattack
• Averbakh-Grivas Attack
• Czerniak Defence
• New York Variation
• Fianchetto Variation
• Hastings Defence
• Nimzowitsch Variation (aka. Knight's Tour)
• Pawn Storm Variation
• Mikenas Variation
• Taimanov Variation
• Uhlmann Variation
• Lazard Gambit
• Modern (or Robatsch) Defence
• Nimzo-Indian Defence
• Classical Variation (aka. Capablanca Variation)
• Milner-Barry Defence
• Old Zurich Variation
• Noa Variation
• Botvinnik Variation
• San Remo Variation
• Pirc Variation
• Dilworth Gambit
• Kmoch Variation
• Kieninger Variation
• Rubinstein System
• Averbakh Variation
• Bronstein Variation #1
• Dutch Variation
• Fischer Variation
• Huebner Variation
• Keres Variation #1
• Keres Variation #2
• Main Variation
• Khasin Variation
• Modern Variation
• Olaffson Variation
• Parma Variation
• Bronstein Variation #2
• Reshevsky Variation
• Simagin Variation
• Rubinstein Variation
• Smyslov Variation
• Taimanov Variation
• Sämisch Variation
• Botvinnik Variation #2
• Capablanca Variation
• Keres Variation
• Romanovsky Variation
• Leningrad Variation (aka. Spassky Variation)
• Averbakh Gambit
• Spielmann Variation
• Carlsbad Variation
• San Remo Variation
• Stahlberg Variation
• Steiner Variation
• Three Knights Variation (aka. Kasparov Variation)
• Steiner Variation
• Euwe Variation
• Old Indian Defence (aka. Chigorin Indian)
• Tartakower-Indian
• Ukrainian Variation
• Dus-Khotimirsky Variation
• Two Knights Variation
• Normal Variation
• Paleface Attack
• Polish Defence Deferred
• Queen's Indian Defence
• Acelerated Fianchetto Variation
• Classical Variation
• Capablanca Variation
• Riumin Variation
• Euwe Variation
• Nimzowitsch Variation
• Colle System
• Miles Variation
• Petrosyan System
• "Three Knights" Variation
• Kasparov Variation
• Sämisch Defence
• Seirawan Attack
• Stonewall System
• Torre Attack
• Nimzowitsch Variation
• Trompowski Opening (aka. Opocensky Opening)
• Veresov Opening
• West Indian Defence
• Marienbad System
• Berg Variation