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Reliving the 80's (Dedicated chess computers)

Reliving the 90's (ChessMachine & MSDOS)

Playing against the Mephisto MM4 or MM5 on your PC, it's almost for real.

Manual available.

Available from the Rebel 13 package.

Click to enlarge.

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August 2022

REBEL with Jeroen Noomen

Opening Book.


July 2022

Rebel 15.1 - new neural net architecture version 10, Search Improvements.


May 2022

Rebel 15x2 - Double sized neural network


April 2022

Rebel 15 - estimated strength increase 80 elo.


April 2022

Rodent NN +200 elo.


Februari 2022

Whatever is current, old timer makes incredible 3500 elo comeback.


Januari 2022

Rebel 14 - back to the roots of 19 years ago and 350 elo stronger than the latest ProDeo 3.1


October 22, 2021

Study about draw rates and diminishing returns using time-odds matches. A glimpse into the future of computer chess.


October 18, 2021

Gambit Rating List


October 2021

Elo progression by year from  2006 till 2021.


July 2021

Fun with Rating Lists.


Apri 2021

Knowledge Base 1.0 with SCID finished, 94 million analyzed positions.