B00 King's Pawn Opening
B01 Scandinavian Defence
B02-05 Alekhine's Defence
B06 Robatsch (Modern) Defence
B07-09 Pirc Defence
B10-19 Caro-Kann Defence
B22 Sicilian Defence, Alapin Variation, 2.c3
B23-26 Sicilian Defence, Closed Variation, 2.Nc3
B33 Sicilian Defence, Lasker/Sveshnikov Variation
B34-39 Sicilian Defence, Accelerated Fianchetto
B40-49 Sicilian Defence, Paulsen-Kan/Taimanov Variation
