Lozza 1.17

Engine tuned up from 1.16; the web UI gained the ability to fork analysis and play tabs. Estimated rating ~2400. (CCRL tested this as 1.17a.)

Changes

• Fix unstoppable passer bug (thanks Tamas Kuzmics)
• Min move time of 10ms.
• Change futility to depth <= 4 (from 5).
• Use TT at root.
• Increase LMR a bit.
• Add eval tempo back in.
• Remove phase from extend expression.
• R=3 always in NMP.

Rating

CCRL 40/40: 2417 · CCRL 40/2 (archived list): 2409

Usage

Use lozza.js with Node.js in any UCI chess GUI (Arena, Cute Chess, etc.), or in a web page/web worker.

Binaries

While Lozza is intended for web use, I can supply binaries on request. Please email me op12no2@gmail.com noting the target platform; thanks.