Pterodactyl Defense: Central, Anhanguera
1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa5
The Pterodactyl Defense: Central, Anhanguera is a chess opening classified as ECO B06, reached after 1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa5. It is a line of the Pterodactyl Defense. White is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: +0.37 (Stockfish, depth 28; best line 6. d5 Bxc3+ 7. bxc3 Nf6 8. f3 Nbd7)
- ECO
- B06
- Moves
- 10 plies
- FEN
rnb1k1nr/pp2ppbp/3p2p1/q1p5/2PPP3/2N1B3/PP3PPP/R2QKBNR w KQkq - 2 6- PGN
1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nc3 d6 5. Be3 Qa5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Modern Defense (2. d4 Bg7) 1. e4 g6 2. d4 Bg7
More Pterodactyl Defense lines (all)
- Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl A40
- Pterodactyl Defense: Central, Benoni Pterodactyl A40
- Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl A40
- Pterodactyl Defense: Fianchetto, Queen Pteranodon A40
- Pterodactyl Defense: Fianchetto, Queen Pterodactyl A40
- Pterodactyl Defense: Queen Pterodactyl, Quiet Line A40
- Pterodactyl Defense A42
- Pterodactyl Defense: Central, Bogolubovia A42
- Pterodactyl Defense: Austrian, Austriadactylus Western B06
- Pterodactyl Defense: Austrian, Grand Prix Pterodactyl B06
- Pterodactyl Defense: Austrian, Pteranodon B06
- Pterodactyl Defense: Central, Benoni Quetzalcoatlus B06
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.