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Chess openings
Zukertort Opening Zukertort Opening: The Walrus Zukertort Opening: Vos Gambit Zukertort Opening: Ross Gambit Zukertort Opening: Ware Defense Zukertort Opening: Wade Defense Zukertort Opening: Basman Defense Zukertort Opening: Arctic Defense Zukertort Opening: Polish Defense Zukertort Opening: Dutch Variation Zukertort Opening: Shabalov Gambit Zukertort Opening: Pirc Invitation Zukertort Opening: Slav Invitation Zukertort Opening: Lisitsyn Gambit Zukertort Opening: Speelsmet Gambit Zukertort Opening: Herrstrom Gambit Zukertort Opening: St. George Defense Zukertort Defense: Kingside Variation Zukertort Opening: Kingside Fianchetto Zukertort Opening: Sicilian Invitation Colle System: Rhamphorhynchus Variation Zukertort Opening: Black Mustang Defense Zukertort Opening: Lisitsyn Gambit Deferred Zukertort Opening: Queen's Gambit Invitation Zukertort Defense: Sicilian Knight Variation Zukertort Opening: Drunken Cavalry Variation Zukertort Opening: Queenside Fianchetto Variation Modern Defense: Semi-Averbakh Variation, Polish Variation Zukertort Opening: Arctic Defense, Drunken Knight Variation Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted