A42: Pterodactyl defence

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

Pterodactyl defence

A42 Sub-variants:

Modern defence, Averbakh system
1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4

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

Modern defence, Averbakh system, Randspringer variation
1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 f5

Modern defence, Averbakh system, Kotov variation
1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nc6

Overview

Games on Database:

156

Last Played:

Jul 2026

Overall score:

31.4%

35.3%

33.3%

Download master games

Played frequently by:

White
Marko Tratar	3 games
Bogomil Andonov	3 games
Darko Anic	3 games

Black
Drazen Sermek	16 games
Valery A Chekhov	7 games
Dusko Pavasovic	5 games

Possible continuations:

6. Be2

47

27.7 %

31.9 %

40.4 %

6. d5

46

34.8 %

43.5 %

21.7 %

6. h3

22

36.4 %

31.8 %

31.8 %

6. Be3

17

29.4 %

17.6 %

52.9 %

6. Rb1

12

41.7 %

41.7 %

16.7 %

6. dxc5

8

50 %

37.5 %

6. Qd2

2

50 %

50 %