Most Played Eco Code Chess Openings

Number of games in database: 834,785
Years covered: Year 1475 to 30. June 2017

The 20 Most Played Eco Codes:


1. A04: Reti Opening (13,845)

2. B06: Robatsch (12,164)

3. A07: King’s Indian Attack (11,832)

4. B22: Sicilian, Alapin (10,795)

5. B90: Sicilian, Najdorf (10,299)

6. A46: Queen’s Pawn Game (9,464)

7. A15: English (9,178)

8. A45: Queen’s Pawn Game (8,642)

9. D02: Queen’s Pawn Game (8,171)

10. B01: Scandinavian (7,948)

11. B40: Sicilian (7,926)

12. B12: Caro-Kann Defence (7,164)

13. B30: Sicilian (6,972)

14. B32: Sicilian (6,632)

15. D37: Queen’s Gambit Declined (6,400)

16. B23: Sicilian, Closed (6,397)

17. C42: Petrov Defence (6,327)

18. B07: Pirc (6,275)

19. A00: Irregular Opening (6,248)

20. C45: Scotch Game (6,246)

Total Games 168.925 out of 834.785 is 20 procent of the Games are played by the 20 most played Openings. 20 Openings out of the 500 main Openings is only 4 procent. Think about it!

Click on Eco Code – Name to study Games for the opening by Top Players.


10 out of the 20 most popular openings are from Eco Code B. Maybe you want to study Eco Code B more to be prepared for most of the players you meet.

Sorted by Eco Code:


A00: Irregular Opening (6,248)

A04: Reti Opening (13,845)

A07: King’s Indian Attack (11,832)

A15: English (9,178)

A45: Queen’s Pawn Game (8,642)

A46: Queen’s Pawn Game (9,464)

B01: Scandinavian (7,948)

B06: Robatsch (12,164)

B07: Pirc (6,275)

B12: Caro-Kann Defence (7,164)

B22: Sicilian, Alapin (10,795)

B23: Sicilian, Closed (6,397)

B30: Sicilian (6,972)

B32: Sicilian (6,632)

B40: Sicilian (7,926)

B90: Sicilian, Najdorf (10,299)

C42: Petrov Defence (6,327)

C45: Scotch Game (6,246)

D02: Queen’s Pawn Game (8,171)

D37: Queen’s Gambit Declined (6,400)

Source: Chessgames.com 30. June 2017.