The free chess games collection ICOfY Base is updated.

ECO A (108,253 KB | 904,333 Games | 181,444 Players)
ECO B (152,580 KB | 1,355,566 Games | 209,026 Players)
ECO C (90,639 KB | 831,996 Games | 186,676 Players)
ECO D (72,488 KB | 653,882 Games | 158,727 Players)
ECO E (55,339 KB | 488,761 Games | 120,863 Players)