text: Sodium Attack, Durkin Gambit: 1...e5 2.Nc4 Nc6 3. e4 f5
  Sodium Attack, Chenoboskion Variation: 1...g6 2.g4
  Polish Opening: 1.b4
  Polish Opening, Symmetrical Variation: 1...b5
  Polish Opening, Birmingham Gambit: 1...c5
  Polish Opening, Outflank Variation: 1...c6
  Polish Opening, Schuhler Gambit: 1...c6 2.Bb2 a5 3.b5 cxb5 4.e4
  Polish Opening, Myers Variation: 1...d5 2.Bb2 c6 3.a4
  Polish Opening, Bugayev Attack: 1...e5 2.a3
  Polish Opening, Wolferts Gambit: 1...e5 2.Bb2 c5
  Polish Opening, Dutch Defence: 1...f5
  Saragossa Opening: 1.c3
  Van Geet Opening: 1.Nc3
  Van 't Kruijs Opening: 1.e3
  Mieses Opening: 1.d3
  Barnes Opening: 1.f3
  Barnes Opening, Hammerschlag Variation: 1...e5 2.Kf2
  King's Fianchetto Opening: 1.g3
  Myers Defence 1...g5
  Grob's Attack: 1.g4
  Alessi Gambit: 1...f5
  Double Grob Variation: 1...g5
  Coca-Cola Gambit: 1...g5 2.f4
  Clemenz Opening: 1.h3
  Spike Lee Gambit: 1...h5 2.g4
  Kadas Opening: 1.h4
  Koola-Koola Variation: 1...a5
  Myers Variation: 1...d5 2.d4 c5 3.e4
  Kádas Gambit: 1...c5 2.b4
  Kádas Gambit with 3.c3: 1...e5 2.d4 exd4 3.c3
  Steinbok Gambit: 1...f5 2.e4 fxe4 3.d3
  Schneider Gambit: 1...g5
  Amar Opening: 1.Nh3
  A01 Larsen's Opening: 1.b3
  Modern Variation: 1...e5
  Classical Variation: 1...d5
  Indian Variation: 1...Nf6
  Symmetrical Variation: 1...b6
  English Variation: 1...c5
  Polish Variation: 1...b5
  Dutch Variation: 1...f5
  A02 Bird's Opening: 1.f4 (Dutch Attack, without: 1...d5, 1...g6 2.e4, 1...Nf6 2.d4, 1...e5 2.e4, 1...c5 2.e4, 1...d6 2.e4)
  From's Gambit: 1...e5 (without: 2.e4)