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A02 Bird opening A02 Bird opening. Double Duck Formation 1 game, 1845 B90 Sicilian Defense Najdorf Variation,Classical Variation:General,Czech Defense: General,McDonnell Attack, 12 games, 1956-2005 C42 Bishop's Opening/Russian Game/Petrov Defance Russian Game : Classical Attack. Staunton Variation Russian Game : Classical Attack. Berger Variation Russian Game : Classical Attack. Chigorin Variation Russian Game : Classical Attack. Jaenisch Variation Bishop's Opening: Boden-Kieseritsky Gambit 8 games, 1497-2005 C60_66_67_84_92 Spanish Game-Ruy Lopez Cozio Defense, Columbus Variation, Fianchetto Defense, Smyslov-Breyer-Zaitsev Hybrid Berlin Defense: Hermet Variation Berlin Wall Defense, Closed Showalter Variation 15 games, 1851-2008 English Opening A29 King's English. Four Knights Variation Fianchetto Lines 12 games, 1982-2007 Harika Oyunlar /Yasser Seirewan 12 games, 1972-1991 Karisik Oyunlar French Defence 000: Normal Variation C02: Advance Variation C05: Advance Variation Zukertort Opening A04: Polish Defense Benoni Defense A56: Czech Benoni Defense Dutch Defense A90: Stonewall. Modern Variation Bogo-Indian Defense E11: Grünfeld Variation King's Indian Defense E99: Orthodox Variation. Neo-Classsical Line 30 games, 1820-2007 Sacrificial Games A07:King's Indian Attack C26:Vienna Game Vienna Gambit A40:Queen's Pawn Game 5 games, 1851-1994