: Over 11 million games, including 113,000 to 120,000 annotated games by grandmasters. Update Service
Each update typically adds around 5,000 new games from current tournaments worldwide, totaling roughly 55,000 new entries across the first 11 updates. Chess Megabase 2025 Updates 1 11 -both Formats- 7z
This latest batch of updates covers the opening months of 2025, bringing your Megabase up to speed with: : Over 11 million games, including 113,000 to