Index of Openings

• Blackmar-Diemer Gambit (D00/01)
  • Bogoljubow Defence
  • Euwe Defence
  • Hübsch Gambit (D00/06)
  • Langeheinecke Defence
  • Lemberg Defence
  • O'Kelly Defence
  • Pöhlmann Defence
  • Ryder Gambit
  • Teichmann Defence
  • Vienna Defence
  • Ziegler Defence
• Caro-Kann (B10)
  • Caro-Kann Fantasy, or Tartakower Variation (B12/01)
  • Diemer-Duhm Gambit (B12/01)
• Damiano's Defence (C40/01)
• Dutch Defence (A80)
  • Staunton Gambit Deferred (A84/02)
• French Defence (C00)
  • Alapin-Diemer Gambit, or Alapin French (C00/17)
  • Burn Variation (C11/12)
  • Diemer-Duhm Gambit (C00/17)
  • Ellis Gambit (C10/06)
  • Exchange Variation (C01/00)
  • Henneberger Variation (C11/01)
  • Rasa-Studier Gambit (C10/06)
  • Rubinstein Variation (C10/06)
  • Winawer, Alekhine (Marsczy) Gambit (C15/09)
  • Winckelmann-Reimer Gambit (C15)
• Grob Attack (A00)
• Nimzo-Indian: Kmoch Variation (E20/19)
• Owen Defence (B00/01)
• Queen's Pawn
  • Englund Gambit (A40/01)
  • Soller Gambit (A40/01)
  • Stonewall Attack (D00/04)
• Queen's Gambit
  • Albin Counter-Gambit (D08/00)
  • Alekhine Variation (D51/01)
  • Austrian Defence (D06/02)
  • Cambridge Springs Defence (D52)
  • Charousek (Petrosian) Variation, or Alatortsev Variation (D31/23)
  • Dutch-Peruvian Gambit, or Been-Koomen Gambit (D50/02)
  • Gedult Attack
  • Hennig-Schara Gambit, or Duisburg Gambit (D32/03)
  • Paleface Attack
  • Semi-Slav, Gunderam Gambit (D31/07)
  • Semi-Slav, Marshall Gambit (D31/07)
  • Tarrasch Defence, Marshall Gambit (D32)

The most comprehensive list of openings that I have found is provided by Bill Wall.