New version chess engine: Nalwald 17.1

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Nalwald - Chess engine written in Nim
Author: Jost Triller  Rating JCER=3065

v.17.1:
Maybe fixed losing on time issues for sudden death time controls
New evaluation optimization data
Removed the zurichess training set

Negligible Elo improvement.

Binaries
Windows:
using BMI2 and POPCOUNT: Nalwald-17.1-modern.exe
for old computers: Nalwald-17.1.exe

Intel CPUs including and after Haswell (2013) support BMI2 and POPCOUNT
AMD CPUs including and after Zen 1 (2017) support BMI2 and POPCOUNT

Individual statistics: Nalwald 15 - 135 games CEDR (+ 35,= 25,- 75), 35.2 %
Baron 3.44.1                  :   4 (+  1,=  3,-  0), 62.5 %
Ruydos 1.1.11                 :   4 (+  2,=  1,-  1), 62.5 %
Delocto 0.61n                 :   4 (+  4,=  0,-  0), 100.0 %
Fridolin 3.10                 :   2 (+  0,=  2,-  0), 50.0 %
ECE 20.1                      :   2 (+  1,=  1,-  0), 75.0 %
Godel 7.0                     :   2 (+  0,=  2,-  0), 50.0 %
Asymptote 0.8                 :   2 (+  1,=  1,-  0), 75.0 %
Kayra 1.3                     :   2 (+  0,=  0,-  2),  0.0 %
Stockfish 15                  :   2 (+  0,=  0,-  2),  0.0 %
Fisherov 0.98k                :   4 (+  0,=  0,-  4),  0.0 %
BrainLearn 17                 :   2 (+  0,=  0,-  2),  0.0 %
Devel 4.0.2.3                 :   4 (+  2,=  2,-  0), 75.0 %
Cheese 3.0.1                  :   4 (+  3,=  1,-  0), 87.5 %
Wasp 5.50                     :   2 (+  0,=  1,-  1), 25.0 %
Komodo 13.02                  :   4 (+  0,=  0,-  4),  0.0 %
Arasan 23.3                   :   2 (+  0,=  0,-  2),  0.0 %
Zahak 10.0                    :   2 (+  0,=  0,-  2),  0.0 %
Hiarcs 15.5                   :   2 (+  0,=  0,-  2),  0.0 %
Protej 0.6.2                  :   2 (+  0,=  1,-  1), 25.0 %
OliThink 5.10.1               :   4 (+  2,=  1,-  1), 62.5 %
Mantissa 3.3.0                :   2 (+  0,=  0,-  2),  0.0 %
Caissa 0.5                    :   2 (+  0,=  0,-  2),  0.0 %
Stash 33.0                    :   2 (+  0,=  0,-  2),  0.0 %
Horowitz 2.1                  :   2 (+  2,=  0,-  0), 100.0 %
Rebel 15x2                    :   2 (+  0,=  0,-  2),  0.0 %
Minic 3.19                    :   2 (+  0,=  0,-  2),  0.0 %
StockfishMZ 170522            :   2 (+  0,=  0,-  2),  0.0 %
ProteusSF RBE 008             :   2 (+  0,=  0,-  2),  0.0 %
Coiled 1.1                    :   2 (+  0,=  0,-  2),  0.0 %
Devre 2.0                     :   4 (+  0,=  2,-  2), 25.0 %
Dumb 1.9                      :   4 (+  3,=  1,-  0), 87.5 %
Vafra 3.3.1                   :   2 (+  1,=  1,-  0), 75.0 %
Mayhem 7.2                    :   2 (+  2,=  0,-  0), 100.0 %
Benjamin 1.1                  :   4 (+  2,=  1,-  1), 62.5 %
NiCim 3.4                     :   2 (+  1,=  0,-  1), 50.0 %
Colossus 2022a                :   2 (+  2,=  0,-  0), 100.0 %
Bagatur 3.3                   :   4 (+  4,=  0,-  0), 100.0 %
Vafra 3.3.2                   :   4 (+  0,=  2,-  2), 25.0 %
Koivisto 8.8                  :   2 (+  0,=  0,-  2),  0.0 %
Kayra 1.4                     :   2 (+  0,=  0,-  2),  0.0 %
Deep Shredder 13              :   2 (+  0,=  0,-  2),  0.0 %
Fritz 15                      :   2 (+  0,=  1,-  1), 25.0 %
Igel 3.1.0                    :   2 (+  0,=  0,-  2),  0.0 %
Halogen 10.22                 :   2 (+  0,=  0,-  2),  0.0 %
Minic 3.22                    :   2 (+  0,=  0,-  2),  0.0 %
Blue Marlin 15.2a             :   2 (+  0,=  0,-  2),  0.0 %
Koivisto 8.13                 :   2 (+  0,=  0,-  2),  0.0 %
Marvin 6.0.0                  :   2 (+  0,=  0,-  2),  0.0 %
Protej 0.6.3                  :   1 (+  1,=  0,-  0), 100.0 %
Stockfish 070622              :   2 (+  0,=  0,-  2),  0.0 %
Knightx 3.3                   :   2 (+  1,=  0,-  1), 50.0 %
CorChess 080622               :   2 (+  0,=  0,-  2),  0.0 %
Crystal 060622                :   2 (+  0,=  0,-  2),  0.0 %
EMAN 8.03                     :   2 (+  0,=  0,-  2),  0.0 %
NiCim 3.4.1                   :   2 (+  0,=  1,-  1), 25.0 %

Nalwald 17.1 download


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