Tree path 8 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › Hyperaccelerated Dragon › Sicilian Defense: Hyperaccelerated Dragon › Sicilian Defense: Hyperaccelerated Pterodactyl › Modern Defense: Pterodactyl Variation › Pterodactyl Defense: Sicilian, Unpin
- Caissa Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- Hyperaccelerated Dragon B27
- Sicilian Defense: Hyperaccelerated Dragon B27
- Sicilian Defense: Hyperaccelerated Pterodactyl B27
- Modern Defense: Pterodactyl Variation B27
- Pterodactyl Defense: Sicilian, Unpin B27 you are here
Pterodactyl Defense: Sicilian, Unpin
Overview
Pterodactyl Defense: Sicilian, Unpin (ECO B27) is a variation of Modern Defense: Pterodactyl Variation, reached after 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2 — 5 moves.
In 4,918 rated Lichess games between players rated 1600 to 2500, White won 42.0%, Black 54.4% and 3.6% were drawn. Black's most played move here is 5…cxd4, in 79% of those games.
- ECO code
- B27
- Group
- Semi-Open Games (B)
- Length
- 5 moves
Generated from the data: the Lichess opening list and opening explorer. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
4,918 games · White 42.0% / Draw 3.6% / Black 54.4%
| Moves | Games | W / D / B |
|---|---|---|
| cxd4 | 3,889 | |
| Qb6 | 341 | |
| Nf6 | 314 | |
| Nc6 | 146 | |
| Qb4 | 87 | |
| d6 | 73 | |
| a6 | 20 | |
| Qc7 | 10 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:00:18
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