B00: King's pawn opening

B00 Sub-variants:

• King's pawn opening
  1. e4
• Hippopotamus defence
  1. e4 Nh6 2. d4 g6 3. c4 f6
• Corn stalk defence
  1. e4 a5
• Lemming defence
  1. e4 Na6
• Fred
  1. e4 f5
• Barnes defence
  1. e4 f6
• Fried fox defence
  1. e4 f6 2. d4 Kf7
• Carr's defence
  1. e4 h6
• Reversed Grob (Borg/Basman defence/macho Grob)
  1. e4 g5
• St. George (Baker) defence
  1. e4 a6
• Owen defence
  1. e4 b6
• Guatemala defence
  1. e4 b6 2. d4 Ba6
• KP, Nimzovich defence
  1. e4 Nc6
• KP, Nimzovich defence, Wheeler gambit
  1. e4 Nc6 2. b4 Nxb4 3. c3 Nc6 4. d4
• KP, Nimzovich defence
  1. e4 Nc6 2. Nf3
• KP, Colorado counter
  1. e4 Nc6 2. Nf3 f5
• KP, Nimzovich defence
  1. e4 Nc6 2. d4
• KP, Nimzovich defence, Marshall gambit
  1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3
• KP, Nimzovich defence, Bogolyubov variation
  1. e4 Nc6 2. d4 d5 3. Nc3
• KP, Neo-Mongoloid defence
  1. e4 Nc6 2. d4 f6