Blunderbase

Pterodactyl Defense

The Pterodactyl Defense starts 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d6. The opening book names 32 variations of it, under ECO A40 to B27.

The main line, move by move

Starting position10 more to go

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  4. 4
  5. 5

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All 32 Pterodactyl Defense variations

  • A40Central, Benoni Beefeater Pterodactyl1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa5
  • A40Central, Benoni Pterodactyl1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+
  • A40Fianchetto, Queen Benoni Pterodactyl1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5
  • A40Fianchetto, Queen Pteranodon1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5
  • A40Fianchetto, Queen Pterodactyl1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+
  • A40Queen Pterodactyl, Quiet Line1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3
  • A42Central, Bogolubovia1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. Nge2 Qa5
  • B06Austrian, Austriadactylus Western1. e4 g6 2. d4 Bg7 3. f4 c5 4. Nf3 Qa5+
  • B06Austrian, Grand Prix Pterodactyl1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Qa5
  • B06Austrian, Pteranodon1. e4 g6 2. d4 Bg7 3. f4 c5 4. c3 Qa5
  • B06Central, Anhanguera1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa5
  • B06Central, Benoni Quetzalcoatlus1. e4 g6 2. d4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Qa5
  • B06Central, Quetzalcoatlus Gambit1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. dxc5 Qa5
  • B06Eastern, Anhanguera1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3
  • B06Eastern, Benoni1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5
  • B06Eastern, Benoni Pteranodon1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5
  • B06Eastern, Benoni Pterodactyl1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 Qa5
  • B06Eastern, Pteranodon1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5
  • B06Eastern, Rhamphorhynchus1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5
  • B06Fianchetto, King Pterodactyl1. e4 g6 2. d4 Bg7 3. g3 c5 4. Nf3 Qa5+
  • B06Fianchetto, Rhamphorhynchus1. e4 g6 2. d4 Bg7 3. g3 c5 4. dxc5 Qa5+
  • B06Sicilian, Quetzalcoatlus1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d6
  • B06Sicilian, Siroccopteryx1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Bc4
  • B06Western, Anhanguera1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Qa5+
  • B06Western, Siroccopteryx1. e4 g6 2. Nf3 Bg7 3. d4 c5 4. Bc4 cxd4 5. Nxd4 Qa5+
  • B27Sicilian, Anhanguera1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3
  • B27Sicilian, Benoni Gambit1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. d5
  • B27Sicilian, Pteranodon1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3
  • B27Sicilian, Rhamphorhynchus1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3
  • B27Sicilian, Unpin1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2
  • B27Western, Pterodactyl1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 Qa5
  • B27Western, Rhamphorhynchus1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+

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