1.e4 sense 1...c5, 1...e6 or 1...e5 (B00-B19)

• B00 Obertura de Peó de Rei sense 1... e5, 1... d5, 1... Cf6, 1... g6, 1... d6, 1... c6, 1... c5
• Defensa Nimzowitsch 1... Cc6 
• Defensa Owen's (Defensa Grega) 1... b6  
• Defensa Hipopòtam o Defensa Adams
• Defensa Sant Jordi 1... a6  
• B01 Defensa Escandinava
  
  • Variant moderna, Variant Gipslis
• B02 Defensa Alekhine
• B03 Defensa Alekhine 3.d4
  
  • Variant del canvi
    • Variant Karpov
  • Atac Buckley
  • Atac dels quatre peons
    
    • Variant Planinc
• B04 Defensa Alekhine, Variant Moderna
• B05 Defensa Alekhine, Variant Moderna 4...Ag4
• B06 Defensa Moderna o Robatsch 
• El Mono del Bum
• Variant de l'Hipopòtam
• B07 Defensa Pirc
• Defensa Maroczy
• Gambit Philidor
• Defensa Petit Centre
• Defensa Balogh
• Línia Principal
• La mandíbula del lleó
• Defensa Txeca
• Defensa Antal o Ufimtsev
• Sistema Kholmov
• Sistema Clàssic
• Variant Xinesa
• Atac de la baioneta
• Atac Sveshnikov-Jansa
• Atac 150
• Variant Panov o Opatijav o Byrne
• Defensa Anti-Philidor
• Gambit Roscher
• B08 Defensa Pirc, Sistem Classic (Dos Cavalls)
• B09 Defensa Pirc, Atac Austríac
• B10 Defensa Caro-Kann
• B11 Defensa Caro-Kann, Dos Cavalls, 3...Ag4
• B12 Defensa Caro-Kann
• Defensa De Bruycker  
• Defensa Caro-Masi  
• Variant Tartakower
• Variant Edinburgh 
• Variant de l'Avanç
• Variante Short 
• B13 Defensa Caro-Kann, Variant del canvi
• B14 Defensa Caro-Kann, Atac Panov-Botvinnik, 5...e6
• B15 Defensa Caro-Kann
• B16 Defensa Caro-Kann, Bronstein-Larsen Variation
• B17 Defensa Caro-Kann, Steinitz Variation
• B18 Defensa Caro-Kann, Classical Variation
• B19 Defensa Caro-Kann, Classical, 7...Nd7

1.e4 c5: Defensa Siciliana (B20-B99)

• B20 Defensa Siciliana
  • Atac Czerniak
• B21 Defensa Siciliana, Grand Prix Attack and Smith-Morra Gambit, including the Siberian Trap
• B22 Defensa Siciliana
  • Variant Alapin (2.c3)
• B23 Defensa Siciliana
  • Variant Tancada
• B24 Defensa Siciliana, Tancada
  • Variant Smyslov
• B25 Defensa Siciliana, Tancada
• B26 Defensa Siciliana, Tancada, 6.Ae3
• B27 Defensa Siciliana
  • Variant hungaresa
• B28 Defensa Siciliana, O'Kelly Variation
• B29 Defensa Siciliana, Nimzovich-Rubinstein Variation
• B30 Defensa Siciliana
• B31 Defensa Siciliana, Nimzovich-Rossolimo Attack (with ...g6, without ...d6)
• B32 Defensa Siciliana
• B33 Defensa Siciliana,
• Variant Pelikan
• Variant Sveshnikov (Lasker-Pelikan) 
• Variant Bird
• Variant Chelyabinsk
• B34 Defensa Siciliana, Fianchetto Accelerat, Variant del Canvi
• B35 Defensa Siciliana, Fianchetto Accelerat, Variant Moderna amb Ac4
• B36 Defensa Siciliana, Fianchetto Accelerat, Maroczy bind
• B37 Defensa Siciliana, Fianchetto Accelerat, Maroczy bind, 5...Ag7
• B38 Defensa Siciliana, Fianchetto Accelerat, Maroczy bind, 6.Ae3
• B39 Defensa Siciliana, Fianchetto Accelerat, Breyer Variation
• B40 Defensa Siciliana, Variant del Contraatac
• Variant Francesa
• Gàmbit Wing Diferit
• Variant Kramnik
• Variant Kveinis
• Variant Marshall
• Variant Anderssen
• Variant Gaw-Paw
• Variant Pin
• Variant Jaffe
• Variant Koch
• B41 Defensa Siciliana, Variant Kan
• Variant Wimpy Accelerat
• Variant Paulsen
• Variant Reti
• Variant Hedgehog
• Variant Bronstein  
• B42 Defensa Siciliana, Variant Kan, 5.Ad3
• B43 Defensa Siciliana, Variant Kan, 5.Cc3
• B44 Defensa Siciliana
• B45 Defensa Siciliana, Variant Taimanov
• B46 Defensa Siciliana, Variant Taimanov
• B47 Defensa Siciliana, Variant Taimanov (Bastrikov)
• B48 Defensa Siciliana, Variant Taimanov
• B49 Defensa Siciliana, Variant Taimanov
• B50 Defensa Siciliana
• B51 Defensa Siciliana, Atac Canal-Sokolsky
• B52 Defensa Siciliana, Atac Canal-Sokolsky, 3...Ad7
• B53 Defensa Siciliana, Variant Chekhover
• B54 Defensa Siciliana
• B55 Defensa Siciliana 
• Variant Prins
• Atac Venice
• B56 Defensa Siciliana
• B57 Defensa Siciliana, Sozin (no Scheveningen) inclós la trampa Magnus Smith
• B58 Defensa Siciliana, Classical
• B59 Defensa Siciliana, Variant Boleslavsky, 7.Cb3
• B60 Defensa Siciliana, Variant Richter-Rauzer
• Línia Principal
• Variant Larsen
• Variant Bondarevsky
• B61 Defensa Siciliana, Variant Richter-Rauzer, 6.Dd2
• Variant Larsen, 7.Dd2
• B62 Defensa Siciliana, Variant Richter-Rauzer, 6...e6
• Variant Morgante
• Variant Podebrady
• Variant del Canvi
• B63 Defensa Siciliana, Variant Richter-Rauzer
• Atac Rauzer
• Variant Ivanov 
• B64 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...Ae7 defensa, 9.f4
• B65 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...Ae7 defensa, 9...Cxd4
• B66 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...a6
• B67 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...a6 defensa, 8...Ad7
• B68 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...a6 defensa, 9...Ae7
• B69 Defensa Siciliana, Variant Richter-Rauzer, Atac Rauzer, 7...a6 defensa, 11.Axf6
• B70 Defensa Siciliana, Variant del Dragó
• Variant Alekhine
• Variant Fianchetto
• B71 Defensa Siciliana, Variant del Dragó
• Variant Levenfish
• Variant Flohr
• B72 Defensa Siciliana, Variant del Dragó, 6.Ae3
• Atac Clàssic
• Variant Amsterdam (Battery)
• Variant Grigoriev
• Variant  Nottingham
• B73 Defensa Siciliana, Variant del Dragó, Classical, 8.O-O
• B74 Defensa Siciliana, Variant del Dragó, Classical, 9.Cb3
• B75 Defensa Siciliana, Variant del Dragó, Atac Jugoslau
• B76 Defensa Siciliana, Variant del Dragó, Atac Jugoslau, 7...O-O
• B77 Defensa Siciliana, Variant del Dragó, Atac Jugoslau, 9.Ac4
• B78 Defesna Siciliana, Variant del Dragó, Atac Jugoslau, Variant Soltis, 10.O-O-O
• B79 Defensa Siciliana, Variant del Dragó, Atac Jugoslau, 12.h4
• B80 Defensa Siciliana, Variant Scheveningen
• B81 Defensa Siciliana, Variant Scheveningen , Atac Keres
• B82 Defensa Siciliana, Variant Scheveningen , 6.f4
• B83 Defensa Siciliana, Variant Scheveningen , 6.Ae2
• B84 Defensa Siciliana, Variant Scheveningen (Paulsen), Variant Classica
• B85 Defensa Siciliana, Variant Scheveningen , Variant Classica amb ...Dc7 i ...Cc6
• B86 Defensa Siciliana, Atac Sozin o Fischer-Sozin
• Atac Velimiróvic
• B87 Defensa Siciliana, Sozin amb ...a6 i ...b5
• B88 Defensa Siciliana, Sozin, Variant Leonhardt
• B89 Defensa Siciliana, Sozin, 7.Ae3
• B90 Defensa Siciliana, Variant Najdorf
• B91 Defensa Siciliana, Variant Najdorf, Variant Fianchetto Zagreb (6.g3)
• B92 Defensa Siciliana, Variant Najdorf, Variant Opocensky (6.Ae2)
• B93 Defensa Siciliana, Variant Najdorf, 6.f4
• B94 Defensa Siciliana, Variant Najdorf, 6.Ag5
• B95 Defensa Siciliana, Variant Najdorf, 6...e6
• B96 Defensa Siciliana, Variant Najdorf, 7.f4
• B97 Defensa Siciliana, Variant Najdorf, 7...Db6 inclou Variant del Peó Enverinat
• B98 Defensa Siciliana, Variant Najdorf, 7...Ae7
• B99 Defensa Siciliana, Variant Najdorf, 7...Ae7 Línia principal