Chess openings

Pterodactyl Defense

Pterodactyl Defense (A42) starts 1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+ 5.Nc3 d6. In 70 games between strong players, White wins 49%, 6% are drawn and Black wins 46%; the most played move is 6.d5 (39%).

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1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+ 5.Nc3 d6

ECO
A42
Games between strong players
70
To move
White
49%46%

White wins, draws and Black wins, from this position.

What strong players play next

The moves played most from this position in over-the-board broadcasts and the Lichess Elite Database, how often, and how the games ended.

MovePlayedResultsLeads to
6.d539% (27)44%52%–
6.Be321% (15)27%60%–
6.Be219% (13)62%38%–
6.h39% (6)83%17%–
6.Bd26% (4)25%25%50%–
6.dxc54% (3)100%–

Where it comes from and where it goes

Branches from Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation 1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+

Top players' games in the Pterodactyl Defense, reviewed

Every Pterodactyl Defense line

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