Openings

Variation
Four knights
    Spanish, Classical defense Spielmann Variation Ranken Variation Spanish Variation Belgrade gambit Scotch, 4...exd4 Scotch, Krause Variation Scotch Variation Gunsberg Variation Italian Variation Schultze-Mueller gambit
    French
      Winawer, Advance, poisoned pawn, Konstantinopolsky Variation Winawer, Advance, poisoned pawn, Euwe-Gligoric Variation Winawer, Advance, poisoned pawn Variation Winawer, Advance, positional Main line Winawer, Advance, Smyslov Variation Winawer, Advance, 6...Ne7 Winawer, Classical Variation Winawer, Advance Variation Winawer, Advance, Rauzer Variation Winawer, Advance, 5.a3 Winawer, Advance, Russian Variation Winawer, Advance, Bogolyubov Variation Winawer, Petrosian Variation Winawer, Alekhine gambit, Kan Variation Winawer, Alekhine gambit Winawer, Alekhine gambit, Alatortsev Variation Winawer, Alekhine (Maroczy) gambit Winawer, fingerslip Variation Winawer, Kondratiyev Variation Winawer (Nimzovich) Variation Classical, Stahlberg Variation Classical, Steinitz Variation Classical, Pollock Variation Classical, Alapin Variation Classical, Rubinstein Variation Classical, Tarrasch Variation Classical Variation Albin-Alekhine-Chatard attack, Spielmann Variation Albin-Alekhine-Chatard attack, Teichmann Variation Albin-Alekhine-Chatard attack, Breyer Variation Albin-Alekhine-Chatard attack, Maroczy Variation Albin-Alekhine-Chatard attack Classical, Tartakower Variation Classical, Frankfurt Variation Classical, Vistaneckis (Nimzovich) Variation Classical, Anderssen-Richter Variation Classical, Anderssen Variation Classical MacCutcheon, Lasker Variation , 8...g6 MacCutcheon, Duras Variation MacCutcheon, Lasker Variation MacCutcheon, Tartakower Variation MacCutcheon, Dr. Olland (Dutch) Variation MacCutcheon, Janowski Variation MacCutcheon, Bernstein Variation MacCutcheon, Grigoriev Variation MacCutcheon, Chigorin Variation MacCutcheon, Advance Variation MacCutcheon, Bogolyubov Variation MacCutcheon Variation Burn Variation Steinitz, Gledhill attack Steinitz, Boleslavsky Variation Steinitz Variation Steinitz, Brodsky-Jones Variation Steinitz, Bradford attack Henneberger Variation Swiss Variation Frere (Becker) Variation Rubinstein, Capablanca line Rubinstein Variation Fort Knox Variation Marshall Variation Paulsen Variation Tarrasch, Open Variation , Main line Tarrasch, Open, 4.ed ed Tarrasch, Eliskases Variation Tarrasch, Open Variation Tarrasch, Leningrad Variation Tarrasch, Closed Variation , Main line Tarrasch, Closed Variation Tarrasch, Botvinnik Variation Tarrasch, Guimard Main line Tarrasch, Guimard Variation Tarrasch, Haberditz Variation Tarrasch Advance, Euwe Variation Advance, Milner-Barry gambit Advance, Paulsen attack Advance Variation Advance, Wade Variation Advance, Nimzovich system Advance, Nimzovich Variation Advance, Steinitz Variation Exchange, Bogolyubov Variation Exchange, Svenonius Variation Exchange Variation Alapin Variation Schlechter Variation