Openings

White Variation
KGA
    Kieseritsky, Neumann defense Kieseritsky, Polerio defense Kieseritsky, Salvio defense, Cozio Variation Kieseritsky, Salvio (Rosenthal) defense Kieseritsky, Brentano defense, Caro Variation Kieseritsky, Brentano defense Kieseritsky, Brentano defense, Kaplanek Variation Kieseritsky, Brentano (Campbell) defense Kieseritsky, long whip defense, Jaenisch Variation Kieseritsky, long whip (Stockwhip, Classical) defense Kieseritsky, Paulsen defense Allgaier, Schlechter defense Allgaier, Urusov attack Allgaier, Walker attack Allgaier, Blackburne gambit Allgaier, Cook Variation Allgaier, ThorOld Variation Allgaier, Horny defense Allgaier gambit Philidor gambit, Schultz Variation Greco gambit Philidor gambit Hanstein gambit Muzio gambit, Brentano defense Muzio gambit, Kling and Horwitz counter-attack Muzio gambit, Holloway defense Muzio gambit, From defense double Muzio gambit Muzio gambit, Paulsen Variation Muzio gambit Herzfeld gambit Cochrane gambit Salvio gambit, Anderssen counter-attack Silberschmidt gambit Salvio gambit MacDonnell gambit Ghulam Kassim gambit Lolli gambit, Young Variation Lolli gambit (wild Muzio gambit) Blachly gambit King's knight's gambit Soerensen gambit Rosentreter gambit Quaade gambit Abbazia defense, Botvinnik Variation Abbazia defense, Modern Variation Abbazia defense (Classical defense, Modern defense[!]) Cunningham, Euwe defense Cunningham, Three pawns gambit Cunningham, Bertin gambit Cunningham defense Schallop defense Becker defense Fischer defense Gianutio counter-gambit Bonsch-Osmolovsky Variation Bishop's gambit, Jaenisch Variation Bishop's gambit, Paulsen attack Bishop's gambit, Bogolyubov Variation Bishop's gambit, Cozio (Morphy) defense Bishop's gambit, Morphy Variation Bishop's gambit, Anderssen Variation Bishop's gambit, Boren-Svenonius Variation Bishop's gambit, Gifford Variation Bishop's gambit, Bledow Variation Lopez-Gianutio counter-gambit, Hein Variation Bishop's gambit, Lopez-Gianutio counter-gambit Bishop's gambit, Ruy Lopez defense Bishop's gambit, Maurian defense Bishop's gambit, Steinitz defense Bishop's gambit, Bryan counter-gambit Bishop's gambit, Boden defense Bishop's gambit, Classical defense, Cozio attack Bishop's gambit, Fraser Variation Bishop's gambit, McDonnell attack
    KGD
      Falkbeer, Reti Variation Falkbeer, Keres Variation Falkbeer, Charousek Variation Falkbeer, Charousek gambit Falkbeer, Tarrasch Variation Falkbeer, Main line, 7...Bf5 Falkbeer, Alapin Variation Falkbeer, 5.de Falkbeer, Morphy gambit Falkbeer, 4.d3 Falkbeer, Nimzovich Variation Falkbeer, Rubinstein Variation Falkbeer, 3...e4 Nimzovich counter-gambit Falkbeer counter-gambit Falkbeer, Milner-Barry Variation Falkbeer, Tartakower Variation 2...Nf6 Classical, Heath Variation Classical, SOldatenkov Variation Classical, Reti Variation Classical counter-gambit Classical, Marshall attack Classical, 4.c3 Classical, Hanham Variation Classical, Svenonius Variation Classical Variation Norwalde Variation , Buecker gambit Norwalde Variation Mafia defense Keene's defense
      King's Indian
        Orthodox, Aronin-Taimanov, Benko attack Orthodox, Aronin-Taimanov, Main line Orthodox, Aronin-Taimanov, 9.Ne1 Orthodox, Aronin-Taimanov, bayonet attack Orthodox, Aronin-Taimanov Variation (Yugoslav attack / Mar del Plata Variation ) Orthodox, 7...Nbd7, Main line Orthodox, 7...Nbd7, 8.Re1 Orthodox, 7...Nbd7 Orthodox, Donner Variation Orthodox Variation Petrosian system, Keres Variation Petrosian system, Main line Petrosian system, Stein Variation Petrosian system Gligoric-Taimanov system Andersson Variation Classical Variation Kazakh Variation 6.Be2 Zinnowitz Variation Larsen Variation 5.Nf3 Saemisch, Orthodox Main line Saemisch, Orthodox, 7.d5 c6 Saemisch, Orthodox, Bronstein Variation Saemisch, Orthodox, 7.d5 Saemisch, Orthodox, 7.Nge2 c6 Saemisch, Orthodox Variation Saemisch, Panno Main line Saemisch, Panno formation Saemisch, Ruban Variation Saemisch, 6...Nc6 Saemisch, double Fianchetto Variation Saemisch, Byrne Variation Saemisch, 5...O-O Saemisch Variation Four pawns attack, Main line Four pawns attack, with Be2 and Nf3 Four pawns attack, Florentine gambit Four pawns attack Six pawns attack Four pawns attack, 6.Be2 Four pawns attack, dynamic line Averbakh, Main line Averbakh, 6...c5 Averbakh system Semi-Averbakh system 5.Be2 Pomar system Makagonov system (5.h3) Accelerated Averbakh system Kramer system 4.e4 Fianchetto, Classical Main line Fianchetto, Classical Variation , 8.e4 Fianchetto, Classical Variation Fianchetto with ...Nd7 Fianchetto, Yugoslav Panno Fianchetto, Yugoslav, 7.O-O Fianchetto, Yugoslav system Fianchetto, Panno Variation Fianchetto, Simagin Variation Fianchetto, lesser Simagin (Spassky) Variation Fianchetto, Uhlmann (Szabo) Variation Fianchetto with ...Nc6 Fianchetto, Kavalek (Bronstein) Variation Fianchetto, Larsen system Fianchetto Variation Smyslov system 3.g3, counterthrust Variation 3.g3 Danube gambit Anti-Gruenfeld Fianchetto without c4 London system Torre attack East Indian defense
        KP
          Nimzovich defense, Marshall gambit Nimzovich defense Colorado counter Nimzovich defense, Wheeler gambit Lopez Opening Napoleon's Opening Patzer Opening King's head Opening Mengarini's Opening Indian Opening Neo-Mongoloid defense Nimzovich defense, Bogolyubov Variation
          Latvian
            corkscrew counter-gambit Polerio Variation Behting Variation Fraser defense Nimzovich Variation
            Modern defense
              Averbakh system, Kotov Variation Averbakh system, Randspringer Variation Averbakh system
              Nimzo-Indian
                4.e3, Main line 4.e3, Main line with 8...Bxc3 4.e3, Main line with 8...dc and 9...cd 4.e3, Main line with 7...Nc6 4.e3, Gligoric system, Bronstein Variation 4.e3, Gligoric system, Smyslov Variation 4.e3, Gligoric system with 7...dc 4.e3, Gligoric system with 7...Nbd7 4.e3, Keres Variation 4.e3, Main line with ...c5 4.e3, Main line with ...b6 4.e3, Ragozin Variation 4.e3 e8g8, 5.Nf3 d7d5 4.e3 e8g8, 5.Nf3, without ...d5 4.e3, Botvinnik system 4.e3 O-O, 5.Bd3 d5 4.e3 O-O, 5.Bd3 Simagin Variation Reshevsky Variation 4.e3 O-O 4.e3, Bronstein (Byrne) Variation Fischer Variation , 5.Ne2 Fischer Variation 4.e3 c5, 5.Ne2 (Rubinstein) e3, Huebner Variation 4.e3 c5 4.e3, Taimanov Variation 4.e3 Classical, Pirc Variation Classical, 4...c5 Classical, San Remo Variation Classical, Noa Variation , Main line, 7.Qc2 Classical, Noa Variation , Main line Classical, Botvinnik Variation Classical, Noa Variation , 5.a3 Classical, Noa Variation , 5.cd ed Classical, Noa Variation Classical, Milner-Barry (Zurich) Variation Classical, 4...Nc6 Classical, Adorjan gambit Classical Variation Leningrad, Main line Leningrad, ...b5 gambit Leningrad Variation Saemisch, Capablanca Variation Saemisch, Main line Saemisch Variation Saemisch, O'Kelly Variation Saemisch, Romanovsky Variation Saemisch, Keres Variation Saemisch, Botvinnik Variation Spielmann, Staahlberg Variation Spielmann, San Remo Variation Spielmann, Karlsbad Variation Spielmann, 4...c5, 5.dc Nc6 Spielmann Variation Three knights, Euwe Variation Three knights, Korchnoi Variation Three knights Variation Romanishin-Kasparov (Steiner) system Mikenas attack Kmoch Variation
                Nimzovich-Larsen attack
                  Symmetrical Variation Polish Variation Dutch Variation English Variation Classical Variation Indian Variation Modern Variation
                  Old Benoni
                    Schmid's system Mujannah formation Franco-Benoni defense
                    Old Indian
                      Main line Ukrainian Variation , 4.Nf3 Dus-Khotimirsky Variation Ukrainian Variation Janowski Variation Tartakower (Wade) Variation
                      Petrov
                        Modern attack, Trifunovic Variation Modern attack, Symmetrical Variation Urusov gambit Modern attack, Bardeleben Variation Modern attack, Steinitz Variation Modern attack, Main line Modern (Steinitz) attack Italian Variation Damiano Variation Paulsen attack Cochrane gambit Classical attack, close Variation Classical attack, Marshall trap Classical attack, Tarrasch Variation Classical attack, Marshall Variation Classical attack, Mason Variation Classical attack, Jaenisch Variation Classical attack, Maroczy Variation Classical attack, Krause Variation Classical attack, Berger Variation Classical attack, Chigorin Variation Classical attack Cozio (Lasker) attack Nimzovich attack Kaufmann attack French attack
                        Philidor
                          Hanham, Delmar Variation Hanham, Schlechter Variation Hanham, Berger Variation Hanham, Kmoch Variation Hanham, Steiner Variation Hanham, Krause Variation Hanham Variation Nimzovich, Klein Variation Nimzovich, Locock Variation Nimzovich, Rellstab Variation Nimzovich, Sokolsky Variation Nimzovich Variation Nimzovich, Larobok Variation Nimzovich, Sozin Variation Improved Hanham Variation Larsen Variation Berger Variation Exchange Variation Paulsen attack Boden Variation Philidor counter-gambit, Zukertort Variation Philidor counter-gambit, Berger Variation Philidor counter-gambit, del Rio attack Philidor counter-gambit Lopez counter-gambit, Jaenisch Variation Lopez counter-gambit Steinitz Variation
                          Pirc
                            Austrian attack, Ljubojevic Variation Austrian attack, Dragon formation Austrian attack, 6.Bd3 Austrian attack, 6.Be3 Austrian attack, 6.e5 Austrian attack Classical system, 5.Be2 Classical, h3 system Classical (Two knights) system bayonet (Mariotti) attack Chinese Variation Byrne Variation Holmov system Sveshnikov system 150 attack Ufimtsev-Pytel Variation
                            Polish
                              Outflank Variation Tuebingen Variation
                              Ponziani
                                Romanishin Variation Reti Variation Fraser defense Jaenisch counter-attack Steinitz Variation Leonhardt Variation Caro Variation
                                QGA
                                  Classical, Smyslov Variation Classical, 8...Bb7 Classical, Flohr Variation Classical, 7...b5 Classical, 7.Qe2 Classical, Geller Variation Classical, Rubinstein Variation Classical, 6...a6 Classical, Steinitz Variation Classical Variation , 6.O-O Classical, Furman Variation Classical Variation 4...e6 Mannheim Variation Haberditz Variation Alekhine defense, Alatortsev Variation Alekhine defense Alekhine defense, Borisenko-Furman Variation Ericson Variation 3.Nf3 Schwartz defense Linares Variation 3.e4
                                  QGD
                                    Orthodox defense, Classical, 13.de Orthodox defense, Classical, 13.d1c2 (Vidmar) Orthodox defense, Classical, 13.d1b1 (Maroczy) Orthodox defense, Classical Variation Orthodox defense, Bd3 line, 11.O-O Orthodox defense, Bd3 line, Alekhine Variation Orthodox defense, Bd3 line Orthodox defense, Bd3 line, Janowski Variation Orthodox defense, Bd3 line, Capablanca freeing manoevre Orthodox defense, Bd3 line, Fianchetto Variation Orthodox defense, Rubinstein attack, Main line Orthodox defense, Rubinstein attack, Gruenfeld Variation Orthodox defense, Rubinstein attack, Karlsbad Variation Orthodox defense, Rubinstein attack, Wolf Variation Orthodox defense, Rubinstein attack (with Rc1) Orthodox defense Orthodox defense, Swiss, Karlsbad Variation Orthodox defense, Swiss (Henneberger) Variation Orthodox defense, Capablanca Variation Orthodox defense, Pillsbury attack Orthodox defense, 7.Rc1 Orthodox defense, 7.Qc2 c5, 8.cd (Rubinstein) Orthodox defense, Rubinstein Variation Orthodox defense, Rauzer Variation Orthodox defense, Botvinnik Variation Tartakower Variation Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5 Tartakower (Makagonov-Bondarevsky) system Lasker defense, Bernstein Variation Lasker defense, Main line Lasker defense, Russian Variation Lasker defense, Teichmann Variation Lasker defense Neo-Orthodox Variation , 7.Bh4 Petrosian Variation Neo-Orthodox Variation , 7.Bxf6 Neo-Orthodox Variation Pillsbury attack 6.Nf3 Anti-neo-Orthodox Variation 4.Bg5 Be7, 5.e3 O-O Lasker Variation 4.Bg5 Be7 Cambridge Springs defense, Yugoslav Variation Cambridge Springs defense, 7.cd Cambridge Springs defense, Capablanca Variation Cambridge Springs defense, Rubinstein Variation Cambridge Springs defense, Argentine Variation Cambridge Springs defense, Bogoljubow Variation Cambridge Springs defense Capablanca anti-Cambridge Springs Variation 5...c6 Manhattan Variation Alekhine Variation Rochlin Variation 4.Bg5 Nbd7 Canal (Venice) Variation Semi-Tarrasch Semi-Tarrasch, Primitive Pillsbury Variation Semi-Tarrasch, Krause Variation Been-Koomen Variation 4.Bg5 Semi-Tarrasch, 7.Bd3 Semi-Tarrasch with e3 Semi-Tarrasch, San Sebastian Variation Semi-Tarrasch, Kmoch Variation Semi-Tarrasch, 5.cd Semi-Tarrasch defense, Pillsbury Variation Semi-Tarrasch, Levenfish Variation Semi-Tarrasch, Symmetrical Variation Semi-Tarrasch defense Ragozin, Vienna Variation Ragozin Variation Classical Variation (5.Bf4) 4.Nf3 Exchange, positional line, 6.Qc2 Exchange, positional line, 5...c6 Exchange, chameleon Variation Exchange, positional line Exchange, Saemisch Variation Exchange Variation Harrwitz attack 3...Nf6 Tarrasch, Stoltz Variation Tarrasch, Bogolyubov Variation Tarrasch, Prague Variation , 9.Bg5 Tarrasch, Reti Variation Tarrasch, Prague Variation , Normal position Tarrasch, Prague Variation , 7...Be7 Tarrasch, Wagner Variation Tarrasch, Prague Variation Tarrasch, Schlechter-Rubinstein system, Rey Ardid Variation Tarrasch, Folkestone (Swedish) Variation Tarrasch, Schlechter-Rubinstein system Tarrasch defense Tarrasch defense, Marshall gambit Tarrasch defense, Tarrasch gambit Tarrasch defense, 4.cd ed Tarrasch, von Hennig-Schara gambit Semi-Slav, Marshall gambit Semi-Slav, Abrahams Variation Semi-Slav, Junge Variation Semi-Slav, Koomen Variation Semi-Slav, Noteboom Variation Semi-Slav Charousek (Petrosian) Variation Alapin Variation Janowski Variation 3.Nc3 Hastings Variation Capablanca-Duras Variation Vienna Variation Capablanca Variation Spielmann Variation Stonewall Variation Albin counter-gambit, 5.g3 Albin counter-gambit, Balogh Variation Albin counter-gambit, Janowski Variation