Month: September 2013

I’ve added 50 to 90 Elo to MadChess, depending on the time control. I’ve finally broken the master barrier (2200 Elo)! I estimate MadChess’ playing strength is ~2200 Elo at blitz time control and ~2220 Elo at rapid time control. Source code and EXEs available on the Downloads page. Added parameters to weaken engine strength (Score Error and Max Nodes Per Second), though I did not test them thoroughly. Calculate piece location score in evaluation instead of incrementally during move generation. Replaced yield-based move selectors with state-machine move selectors due to poor performance of iterators in recursive search algorithm. More… Continue Reading