Calculation Training

Select a personal game played against MadChess or played online. Select four critical positions from the game, either my move or my opponent’s move. Spend five minutes per position analyzing possible continuations. Do not use any computer assistance. Add variations to the PGN file. Run MadChess engine in MultiPV mode to verify analysis. Run Komodo* chess engine in MultiPV mode to verify MadChess analysis. Add interesting variations found by MadChess and Komodo to the PGN file. Write a blog post about the game, focusing on the critical positions. * Or any other world-class chess engine. Continue Reading

MadChess 1.4 Released

I’ve added features to improve MadChess’ value as a sparring partner and analysis tool. I spent a lot of time implementing an algorithm that reduces the playing strength of MadChess. In chess GUIs that support the feature, MadChess will automatically adjust its playing strength to match the user. See the User Guide for details. Source code and EXEs available on the Downloads page. Added UCI_LimitStrength and UCI_Elo options. Added chess personalities from young child to expert. Added MultiPV (display multiple principal variations). Enabled PVS search for MultiPV or when ScoreError > 0. Do not reduce search horizon of pawn pushes.… Continue Reading