Your trusted source for computer chess information!

Differences

This shows you the differences between two versions of the page.

computer_chess:engines:myrddin:index 2023/06/11 13:59 computer_chess:engines:myrddin:index 2023/06/11 14:00 current
Line 133: Line 133:
== Version 0.90 (6/9/23) == == Version 0.90 (6/9/23) ==
--- Fixed two bugs in SEE (stopped the calculation if the first capture was of equal value, and failed to include Kings in the calculation) +-- Fixed two bugs in SEE (stopped the calculation if the first capture was of equal value, and failed to include Kings in the calculation)\\ 
--- Fixed a bug that could cause a save to the hash table even if there was no best move +-- Fixed a bug that could cause a save to the hash table even if there was no best move\\ 
--- Tuned PST files for the first time, and re-tuned all other eval terms +-- Tuned PST files for the first time, and re-tuned all other eval terms\\ 
--- Captures with negative SEE value can now be reduced +-- Captures with negative SEE value can now be reduced\\ 
--- IID is now more aggressive in its depth reduction and can be applied in PV nodes +-- IID is now more aggressive in its depth reduction and can be applied in PV nodes\\ 
--- LMR reduction is now one depth less for PV nodes +-- LMR reduction is now one depth less for PV nodes\\ 
--- No longer limiting the number of extensions for a single branch +-- No longer limiting the number of extensions for a single branch\\ 
--- Reduced the number of aspiration windows before performing a full-width search from six to two +-- Reduced the number of aspiration windows before performing a full-width search from six to two\\ 
--- Fixed a rare bug such that if a tt probe or IID returned an underpromotion it would not be moved to the front of the movelist +-- Fixed a rare bug such that if a tt probe or IID returned an underpromotion it would not be moved to the front of the movelist\\ 
--- Fixed an issue when receiving the "force" command while pondering, which can happen with some GUIs +-- Fixed an issue when receiving the "force" command while pondering, which can happen with some GUIs\\ 
--- Modified the compiler options for magicmoves to improve perft results by 5%. +-- Modified the compiler options for magicmoves to improve perft results by 5%.\\ 
--- Various minor optimizations +-- Various minor optimizations\\ 
--- Added "see" command to return the SEE value of a capture on the current position - example usage "see d4 e5" +-- Added "see" command to return the SEE value of a capture on the current position - example usage "see d4 e5"\\ 
--- Added "rpt" command to run a brief perft test (perft uses bulk counting) +-- Added "rpt" command to run a brief perft test (perft uses bulk counting)\\ 
--- Removed "-64" from version string as there is no longer a 32-bit version+-- Removed "-64" from version string as there is no longer a 32-bit version\\
== Version 0.89 (6/3/22) == == Version 0.89 (6/3/22) ==

Personal Tools