New engine releases 2019

[Guenther]

Just open the engine's exe and you will see the author's name…. :) :)

May be you are a bit 'uninformed'?
(talkchess euphemism for 'ignorant/dumb/stupid')

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Achillees: uci
id name Achillees
id author tempate
option name hash type spin default 128 min 1 max 2048
uciok

[voffka]

Igel 2.0.0 at https://github.com/vshcherbyna/igel/releases/tag/2.0.0 (binaries for Raspberry Pi, Linux, macOS and Windows). This is a bug fix release that addresses a regression introduced in 1.9.0 that significantly affected strength in SMP mode. This fix brings colossal amount of elo in SMP mode in self play: 322 elo with 8 threads and 12 Gb of hash. Testing against Winter 0.7 (estimated ~3100 elo) shows strength around ~3050 with 4 threads, 4 Gb of hash.

What's new:

- Fix evaluation bug in SMP mode that significantly affects performance (~300 elo)

Relative strength against Igel 1.9.2 (affected by regression in 1.9.0) in 10+0.1 time control with 8 threads and 12 Gb of hash:

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Score of Igel 2.0.0 64 POPCNT vs Igel 1.9.2 64 POPCNT: 74 - 1 - 25  [0.865] 100
Elo difference: 322.67 +/- 70.24

Relative strength against Igel 1.8.3 (not affected by regression) in 10+0.1 time control with 8 threads and 12 Gb of hash:

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Score of Igel 2.0.0 64 POPCNT vs Igel 1.8.3 64 POPCNT: 49 - 19 - 32 [0.650] 100
Elo difference: 107.54 +/- 58.08

Relative strength compared to Winter 0.7 (estimated ~3100) in 10+0.1 time control with 4 threads and 4 Gb of hash:

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Score of Igel 2.0.0 64 POPCNT vs Winter 0.7 BMI2: 27 - 42 - 31  [0.425] 100
Elo difference: -52.51 +/- 57.39

[MikeB]

did't see anyone mentioned this regarding asmfish = latest commit made on 9/30/19

https://github.com/CounterPly/asmFish/c ... CounterPly

my fork has all of the above plus matefinder and variety play verisons for all flavors of OS
https://github.com/MichaelB7/asmFish/tree/macOS_build

takes us up to Jan 21 2019 or so with respect to Stockfish.

Many thanks to Justin Dehorty

[Guenther]

Great news!

After a long time, Thomas Petzke released Deep Ice 4.0 a few days ago.
http://macechess.blogspot.de/

[fabianVDW]

I have a new version of FabChess at https://github.com/fabianvdW/FabChess/r ... g/v.1.12.8

This version finally introduces SMP for FabChess - and with it comes more UCI functionality.
Changelog:
- FabChess now supports multithreading for an arbitrary amount of threads. The UCI settings now additionally contain:
"MoveOverhead": Amount of time that the engine considers to be lost during communication via the UCI protocol. This can also be introduced via server lag, in which case the default of 25ms should probably be increased. For local play the settings should be sufficient however(as it has been in the past).
"Threads": Amount of threads to be used, has no real limit, defaults to 4
"TT_locks": Amount of locks used in the transposition table. This currently defaults to 1024 and should only be increased when testing with more than 512 Threads, in which case TT_locks should be set to atleast 2 * Threads
"DebugSmpprint" : This is for debugging and irrelevant for the user
"SMPSkipratio": This setting theoretically allows for an adaptive smp schema but the default value here should be the best - more testing will be done for future updates regarding the smp implementation
- "hashfull" is now reported in uci

The single threaded strength should not have changed.

This is the 4CPU version(which appears to be stable) versus the 1CPU version at 10s +0.1s timecontrol. The gain should be less with longer timecontrols.

[Gabor Szots]

Great news!

After a long time, Thomas Petzke released Deep Ice 4.0 a few days ago.
http://macechess.blogspot.de/

Thanks for sharing the news, Günther, indeed it's great.

[Guenther]

A lot more to come - just fired up my link checker tool :)
(not ready yet - will update on the fly the next minutes)

new releases:

Dimitri 5.23
Demolito 2019-10-08
Nemorino 5.25 dev (wrongly named 5.26 because appveyor is still one off)

website/domain expired:

Supra => wayback link added
https://web.archive.org/web/20190829055 ... gine.info/

[Guenther]

A lot more to come - just fired up my link checker tool :)
(not ready yet - will update on the fly the next minutes)

Check lasted too long - second part here

new releases:

Sapeli 1.52 (src) 1.50 RC compilation
Raven 0.60

[Gabor Szots]

website/domain expired:

Supra => wayback link added
https://web.archive.org/web/20190829055 ... gine.info/

I am very much afraid that the author has lost interest owing to recent failures to improve his engine. It's a pity, you have to accept that there are not only ups but sometimes downs as well.

[RubiChess]

RubiChess 1.6 is released and can be downloaded here: https://github.com/Matthies/RubiChess/releases/latest

Regards, Andreas