1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3
Chess openings · Pterodactyl Defense · A40
Pterodactyl Defense: Queen Pterodactyl, Quiet Line
5,575 rated games in September 2026 began with 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3. White wins 47%, draws 5%, Black wins 48%.
Results by rating
| Lichess rating | Games | White winsDrawBlack wins |
|---|---|---|
| Under 1200 | 48 | 44%56% |
| 1200–1599 | 484 | 47%49% |
| 1600–1999 | 2,153 | 49%48% |
| 2000 and up | 2,890 | 46%49% |
| All ratings | 5,575 | 47%48% |
By time control
| Time control | Games | |
|---|---|---|
| Bullet | 3,172 | 48%48% |
| Blitz | 2,081 | 46%49% |
| Rapid | 313 | 48%46% |
| Classical | 9 | – |