text: C06 French, Tarrasch, Closed Variation, Main line
  C07 French, Tarrasch, Open Variation
  C08 French, Tarrasch, Open, 4.exd5 exd5
  C09 French, Tarrasch, Open Variation, Main line
  C10 French, Paulsen Variation
  C11 French Defence
  C12 French, MacCutcheon Variation
  C13 French, Classical
  C14 French, Classical Variation
  C15 French, Winawer (Nimzovich) Variation
  C16 French, Winawer, Advance Variation
  C17 French, Winawer, Advance Variation
  C18 French, Winawer, Advance Variation
  C19 French, Winawer, Advance, 6...Ne7
  C20–C99
  1.e4 e5: Open Game
  C20 King's Pawn Game  (includes Alapin's Opening, Centre Pawn Opening, Napoleon Opening, Portuguese Opening, Danvers Opening, Bongcloud Attack)
  C21 Center Game (includes Danish Gambit)
  C22 Center Game
  C23 Bishop's Opening
  C24 Bishop's Opening, Berlin Defence
  C25 Vienna Game
  C26 Vienna Game, Falkbeer Variation
  C27 Vienna Game, Frankenstein–Dracula Variation
  C28 Vienna Game
  C29 Vienna Gambit, Kaufmann Variation including Würzburger Trap
  C30 King's Gambit
  C31 King's Gambit Declined, Falkbeer and Nimzowitsch (3...c6) Countergambits
  C32 King's Gambit Declined, Falkbeer, 5.dxe4
  C33 King's Gambit Accepted
  C34 King's Gambit Accepted, including Fischer Defence
  C35 King's Gambit Accepted, Cunningham Defence
  C36 King's Gambit Accepted, Abbazia Defence (Classical Defence, Modern Defence)
  C37 King's Gambit Accepted, Quaade Gambit McDonnell Gambit, or Muzio Gambit
  C38 King's Gambit Accepted
  C39 King's Gambit Accepted, Allgaier and Kieseritzky Gambits including Rice Gambit