Below, the top 10 T64 Openings...
5 e4 openings, 4 with d4, and the Réti.
|C00-C19||French Defence||98 (9.8%)|
|D30-D69||Queen's Gambit Declined||80 (8%)|
|D00-D05||Queen's Pawn ( General)||64 (6.4%)|
|A45-A50||Indian & Torre Attack||59 (5.9 % )|
|A10-A39||English||54 (5.4 % )|
|B10-B19||Caro-Kann||53 (5.3 %)|
|C60-C99||Spanish Game ( Ruy Lopez)||52 (5.2 %)|
|A04-A09||Reti||32 ( 3.2 % )|
|B07-B09||Pirc Defence||30 ( 3 % )|
All games were re-indexed by ECO code using Chess Assistant 11,.
The Opening classification ranges ( ie grouping ECO codes), I borrowed from Chessville (many thanks, although it seems to have disappeared :(
See also T56 Summary, T55 Summary, T51 Summary, T50 Summary and T47 Summary, T57-59 Summary , T61 Summary, T62 Summary and T63 Summary