HAL9000

HAL9000
"It just isn't conceivable that you can design a program strong enough to beat players like me."

June 12, 2017

New Android UCI engine: Demolito 1.0

If you know Doublecheck and Discocheck engines, you must be familiar with Lucas Braesch's contribution to chess engines development. Since the beginning of this year, he went on to write a new engine from scratch, taking small parts of Discocheck.

Although he'd written he wouldn't be interested in delivering executables in order to better concentrate on the code, some builds are already out for testing.

One of them is made by Lucas himself and it will only work with 64-bit devices. So, meet the son of Discocheck.

GET Demolito 1.0 for arm8

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

New Android UCI engine: Pedone 1.6

I wish Pedone could run on my arm7 devices because it's very good news to receive a new 3000+ ELO engine ported to Android. At present there's at least one user who reports that Pedone works well with CfA using quad core arm7 cpu with Android Kitkat.

It's highly surprising that this 32-bit build made for arm7, works fine on my 64-bit MTK6742 octa core cpu under Lollipop while it just exits after tapping to UCI on my Exynos 4412 cpu. That's weird to me because one of the Exynos cpu's is on Kitkat already. So, nothing can explain the issue so far and missing a strong engine is sad for Rapidroid ranking.

Pedone is a UCI compliant chess engine by Fabio Gobbato from Italy written in C. The download from its site includes Windows 32/64-bit, Linux 32/64-bit and Android executables.

During its early development stages, Pedone had its over the board tournament debut at the IGT 2013 with 1½/4. It progressed rapidly, and already won the IGT 2014 with 6/7, and the IGT 2015 with 7/6!

Pedone has a compact quad-bitboard board representation, suited for a copy-make approach and further applies magic bitboards for sliding piece attacks and move generation. Its search is PVS with transposition table, IID and quiescence search inside an iterative deepening framework. The evaluation function was tuned with a similar approach to the Texel's Tuning Method until version 1.0.

Some evaluation bonuses of versions 1.3 and 1.4 were tuned with TD Learning. Since 1.0, released in December 2014, Pedone performs a parallel search using multiple threads, with 1.4 in April 2016, dubbed Lazy SMP.

The further improved Pedone 1.6 released in June 2017 can use up to 128 threads and comes with an executable for Android.

GET Pedone for arm7 pie and don't forget to comment about your experience with your hardware & software info.

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

June 11, 2017

New Android UCI engine: CiChess 1.3.20170610.ACH

Yet another Stockfish derivative. I don't know who's responsible of it. As i couldn't find any trustable info anywhere, i assume it should be nothing but another tweaked Stockfish referring to the engine ID which displays Marco Costalba and fellas as authors, during the installation process.

GET CiChess 1.3.20170610.ACH for arm7

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

Android UCI engine update: Cfish 2017.06.09.ACH

HERE is Alexei's build of the Cfish source dated 9th of June. Enjoy!

It's often claimed by the visitors why Alexei doesn't compile for arm8. Now let me state possible replies to give an end to the discussion:
A) He does not like 64-bit and wishes to torture 64-bit owners with extremely slow arm7 builds.
B) He's using a very old compiler which can't do arm8 builds.
C) Repetitive demands caused reluctance on him. When demands will cease, he'll do it.
T) He needs an arm8 device to do it.

Why T and not D above? T because truth starts with T...

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

Droidfish 1.69

The new version just reminded me that i must have skipped 1.68. So, two updates to be notified in a single post. Unless you're on Android Nougat, these updates may not be crucial. Meanwhile, the Stockfish engine version remains unchanged.

WHAT'S NEW (10-Jun-2017):

Version 1.69
- Fixed crash in Android 7 when handling large PGN games.

Version 1.68
- Support for multi windows in Android 7.
- Various crash fixes.

GET latest Droidfish from Google Play
GET Droidfish 1.69 in case you need to keep a copy in your archive
GET Droidfish 1.68 in case you need to keep a copy in your archive

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

June 9, 2017

Android UCI engine update: Stockfish dev't 2017.06.06.ACH

The development versions of the mighty fish don't (...won't) stop falling on our devices. There are already 25 to 30 ELO improvement over the last official release in about 7 months. Thanks to Alexei for preparing the Android build.

GET Stockfish 8.0.2017.06.06.ACH for arm7

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.

Android UCI engine update: SugaR 2017.05.28.ACH

This is the latest SugaR build compiled by Alexei.

GET SugaR 2017.05.28.ACH for arm7

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.