Version 2.1

Enhanced search:

• better time management on Fisher Time control.
• Retuned search parameters.
• Better move ordering for quiet moves.
• Other tiny optimizations.
• Code simplification.

On self test, Dumb 2.1 is about 70 Elo stronger than Dumb 2.0.

Dumb 2.0

Here is a version 2.0 of Dumb, about 70 Elo stronger than versions 1.9 - 1.11:
New evaluation weights (+50 Elo)
Better move ordering (+20 Elo)
Pseudo move generation (make code simpler, faster but not better)

Hope you enjoy it.

Version 1.11

Fix issue #10.

Version 1.10

Correct issue#6 (mate 0 score & empty pv) + display of promotion

Version 1.9

Dumb version 1.9
Fixed a bug to avoid time losses on Fisher time control (base + increment)
Tuned search parameter using CLOP by Rémi Coulom
A pawn move to the 7th rank is no more considered quiet
Code cleaning

+25 Elo against version 1.8 in self test.

Version 1.8

Enhanced search with late move pruning (LMP), a few other optimizations, some code cleaning and bug removals.
Should be about 100 elo stronger than version 1.7.

Dumber 1.2

Correct a bug leading to time losses

version 1.7

Correct a few bugs in 1.6
More accurate depth reduction in null move
IID replaced by IIR

Version 1.6

Version 1.6: support chess 960 (aka Fischer Random Chess).

Version 1.5

Move sorting: use history and bad capture based on SEE
Search: use SEE pruning in QS and LMR in main search
Eval: use new retuned weights

Version 1.5 should be much stronger than version 1.4 by about 200 Elo.