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New Opening Theory

Site/Link Opening ECO Published Comments
Diario Ajedrez Petroff C42 December 21  
Leonid's Megapage Ponziani C44 December 20  
Ajedrez de Estilo Pirc B09 December 20  
Chess City Smith-Morra Sicilian B21 December 18  
Ajedrez de Estilo Polugaevsky Najdorf Sicilian B96 December 19  
Diario Ajedrez Dragon Sicilian B57 December 19  
Diario Ajedrez Caro-Kann B18 December 18  
Chess City How to beat the Grob A00 December 7  
Ajedrez de Estilo Giuocco Piano C54 December 18  
Ajedrez de Estilo Richter-Rauzer Sicilian B63 December 17  
Diario Ajedrez Maroczy Bind in the Dragon Sicilian B37 December 17  
Diario Ajedrez Dragon Sicilian B79 December 16  
InfoXadrez King's Indian Attack A05 December 14, 15 NOTE: These files are apparently only available for a few days. They are listed under Ficheiro do Dia , or Daily Files. They require password access, which is easy to get by emailing the site.
Leonid's Megapage Pelikan Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8. Bxf6 gxf6 9.Na3 d5!?)   December 14  
Diario Ajedrez KID--Simagin Variation Part II (1.d4 Cf6 2.c4 g6 3.Cc3 Ag7 4.e4 d6 5.Cf3 0-0 6.Ae2 Ag4) E91 December 14  
Chess City Grunfeld--Adorjan Gambit (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 dxc4 5.Qxc4 Be6 6.Qb5+ Bd7) D81 December 7  
Leonid's Megapage Sleipnir Opening (1. Nc3)   December 11  
Diario Ajedrez KID--Simagin Variation Part I (1.d4 Cf6 2.c4 g6 3.Cc3 Ag7 4.e4 d6 5.Cf3 0-0 6.Ae2 Ag4) E91 December 11  
Leonid's Megapage Semislav Antimeran III, Spanish Bird Defence   December 10  
Chess City Scandinavian Defense - Icelandic Gambit (1.e4 d5 2.exd5 Nf6 3.c4 e6) B01 December 7  
Chess City Alekhine's Defense: Mokele Mbebe (1.e4 Nf6 2.e5 Ne4) B02 December 7  
Chess City Petroff's Defense: Cochrane Gambit (1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7) C42 December 7  
Chess City English Opening - Myers Defense (1.c4 g5 '?!' 2.d4 Bg7) A10 December 7  
Chess City Smith-Morra Gambit B21 December 7 Unusual alternative for Black
Chess City The Anglo-Polish Attack in the Reti (1.Nf3 1...d5 2.c4 d4 3.b4) A09 December 7 Three games, two heavily annotated.
Leonid's Megapage Modern Benoni (II) 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.h3, The Pelikan Variation A65 December 6  
Chess City Spanish: Basque Gambit (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d4 exd4 7.e5 Ne4 8.c3) C84 November 26  
Chess City King's Gambit: Keene Defense (1.e4 e5 2.f4 Qh4+) C30 November 26  
Chess City Danish Gambit Accepted (1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2) C21 November 26  
Chess City Relfsson Gambit (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5) C44 November 26  
Chess City Zilbermints Gambit (1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7) A40 November 26  
Chess City Ruy Lopez, Marshall Gambit C89 November 26 Marshall on the Marshall
Chess City Tarrasch--Marshall Gambit (1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.e4 dxe4 6.Bc4) D32 November 26  
Diario Ajedrez Katalymov Sicilian II B27 December 4  
Leonid's Megapage Catalan Opening - Part II E04 December 4  
Diario Ajedrez The King's Indian Attack A07 December 3  
Leonid's Megapage Modern Benoni: Taimanov Variation A67 December 2  
Diario Ajedrez Katalymov Sicilian I (1. e4 c5 2. Nf3 b6) B27 December 2  
Leonid's Megapage Ruy Lopez Anti Marshall I, Dragon Part V, Bird Games from A.Morozevich, Blackmar-Diemer Lemberg-Counter-Gambit, Dragon Part IV, Dutch Leningrad II, Budapest Gambit, Latvian Gambit, Evans Gambit, Queens Indian Petrosian Variation, Sicilian Najdorf Polugaevsky Variation, Rossolimo Variation, McCutcheon Variation, Crushing the Alekhine Defense I and II, Leningrad Variation, Antimeran D44 part III, Catalan Part II, 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 Ne4!?, Tarrasch Defense, Antimeran Defense part II, Noteboom, Grunfeld Defence, The Catalan Opening - Part I C88, B76, A02, D20, B72, December 2 or earlier This analysis isn't dated and ECO codes aren't consistently included, but it's worthwhile keeping track of.
Chess City Blackmar-Diemer D00 November 26