What's New?

This is Arasan 26.0, released in July, 2026

Changes in Arasan 26.0:
  1. Changes to book move selection logic
  2. Make more parameters tunable, and tune piece values and futilty parameters
  3. GUI: fix promotion by user
  4. Fixes for compatibility with latest bullet
  5. Introduce 3-layer "version 8" quantized integer network, with runtime optimizations
  6. Fixes/speedups in selfplay utility
  7. Remove NUMA support
  8. UI: replace TrueType fonts with SVG pieces
  9. Fix to mate distance pruning