Since you’re here...

... we have a small favour to ask. More people, like you, are reading and supporting our blog: "Chess Engines Diary". And unlike many other sites and blogs, we made the choice to keep our articles open for all, regardless of where they live or what they can afford to pay.

We hope you will consider supporting us today. We need your support to continue to exist, because good entries are more and more work time. Every reader contribution, however big or small, is so valuable. Support "Chess Engines Diary" even a small amount– and it only takes a minute. Thank you.
============================== My email: jotes@go2.pl



Labels

Chess engine: Koivisto 9 - 16-binary (Ipman compiles)

 


Koivisto, is a strong chess engine written primarily by Kim Kåhre and Finn Eggers in c++. Koivisto in itself is not a complete chess program and requires a UCI-compatible graphical user interface.

Rating CEDR=3583 (8 place) - Time 3'+3"

Koivisto an UCI compliant open source chess engine by Kim Kåhre and Finn Eggers, at times supported by Eugenio Bruno, written in C++, and first released on GitHub in September 2020 under the GPL v3.0. The bitboard engine provides automated evaluation tuning by logistic regression, either using stochastic gradient descent or AdaGrad. Koivisto 5.0 in July 2021 replaced the perceptron approach of a real-men-evaluation (RME) by an own NNUE, as of Koivisto 5.9, with two layers [source].

Individual statistics: Koivisto 8.6 - 90 games (+  9,= 64,- 17), 45.6 %
CorChess 180422               :   8 (+  0,=  6,-  2), 37.5 %
Raubfisch X48e                :   8 (+  0,=  6,-  2), 37.5 %
SugaR AI 2.50                 :   4 (+  0,=  3,-  1), 37.5 %
Dragon 2.6.1                  :   4 (+  0,=  4,-  0), 50.0 %
Kayra 1.3                     :   8 (+  0,=  7,-  1), 43.8 %
Stockfish 15                  :   8 (+  0,=  6,-  2), 37.5 %
Fisherov 0.98k                :  10 (+  0,=  7,-  3), 35.0 %
BrainLearn 17                 :   6 (+  0,=  5,-  1), 41.7 %
Eman 7.93                     :   6 (+  0,=  3,-  3), 25.0 %
ShashChess 22                 :   2 (+  0,=  0,-  2),  0.0 %
Weiawaga 5.0.0                :   2 (+  2,=  0,-  0), 100.0 %
Wasp 5.50                     :   2 (+  0,=  2,-  0), 50.0 %
Rebel 15                      :   2 (+  1,=  1,-  0), 75.0 %
Komodo 13.02                  :   2 (+  1,=  1,-  0), 75.0 %
Arasan 23.3                   :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 030522              :   4 (+  0,=  4,-  0), 50.0 %
Avalanche 0.3a                :   2 (+  2,=  0,-  0), 100.0 %
Swordfish 15.1                :   2 (+  0,=  2,-  0), 50.0 %
Rebel 14.2                    :   2 (+  2,=  0,-  0), 100.0 %
Seer 2.5                      :   2 (+  1,=  1,-  0), 75.0 %
Blue Marlin 15.1              :   2 (+  0,=  2,-  0), 50.0 %
Berserk 9-dev                 :   2 (+  0,=  2,-  0), 50.0 %

Koivisto 9 - 16 binary (Ipman compiles) - download

Twitter
 Facebook
 Instagram
 Pinterest
 Reddit
 Tumblr
Email Post
Labels:

Comments

Post a Comment

Popular Posts