Shuffle v4.4.0

Release Notes for Shuffle Chess Engine [Version 4.4.0]

Release Date: December 31, 2023

Enhancements and New Features:

• Updated Reverse Futility Pruning
• Updated Razoring

Test scores against previous version

Score of Shuffle 4.4.0 vs Shuffle 4.3.0: 548 - 401 - 477 [0.552] 1426
... Shuffle 4.4.0 playing White: 281 - 195 - 238 [0.560] 714
... Shuffle 4.4.0 playing Black: 267 - 206 - 239 [0.543] 712
... White vs Black: 487 - 462 - 477 [0.509] 1426
Elo difference: 35.9 +/- 14.7, LOS: 100.0 %, DrawRatio: 33.5 %
SPRT: llr 2.98 (101.1%), lbound -2.94, ubound 2.94 - H1 was accepted

Usage Guidelines:

• Please refer to the README for instructions on how to use Shuffle Chess Engine

Lichess Bot

• The Lichess version of Shuffle will only be temporarily active
• However, the games that it has played can be viewed here

Compatibility

• Shuffle remains compatible with all UCI GUIs
• Shuffle remains compatible with both MacOS and Windows
• Tests are currently underway to test compatibility on Linux systems

Feedback and Support:

• If you encounter any issues or have feedback, please don't hesitate to reach out on the project's GitHub repository

Thank you for using Shuffle Chess Engine!