Fritz Powerbook 2026Fritz Powerbook 2026 EVEN MORE POWER FOR FRITZ. EVEN MORE CHESS KNOWLEDGE FOR YOU. The Fritz Powerbook 2026 contains 25 millions opening positions, derived from 1. 7 million high class tournament games. Together with each position all relevant information is stored: all moves that were played in the position, by players of what average rating, with what success and performance results. The games from which the Fritz Powerbook 2026 were derived are