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New version chess engine: Lc0 v.0.31.0-rc2

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LcZero - CEDR Rating=3712 v0.31.0-rc2: In this version: Changed cuda compilation options to use -arch=native or -arch=all-major if no specific version is requested, with fallback for older cuda that don't support those options. Updated android builds to use openblas 0.3.27. A few small fixes. Individual statistics:  Lc0 BT4 Clover 6.1 5.5/8 +3 8 Games RofChade 3.1 4.5/8 +1 8 Games Dragon 3.3 4.5/8 +1 8 Games SF-PRO 19.11.2023 4/8 +0 8 Games YuliGM PrO 15 3.5/8 -1 8 Games ShashChess 34.5 3.5/8 -1 8 Games Sawfish 2TC 3.5/6 +1 6 Games Polyfish 231120 3.5/6 +1 6 Games Hazard 4.1 3/6 +0 6 Games Raid 3.1 3/6 +0 6 Games Eman 9.80 3/6 +0 6 Games Incognito 4 3/6 +0 6 Games Vanilla 14c 3/6 +0 6 Games Patzer AI X-256 2.5/6 -1 6 Games SugaR AI SE 2.5/5 +0 5 Games Altair 6.0.0 3.5/4 +3 4 Games Caissa 1.15 3/4 +2 4 Games Seer 2.8.0 2.5/4 +1 4 Games Fisherov chess monk 1.2 2.5/4 +1 4 Games Crystal 7 CMB 2.5/4 +1 4 Games Chess-System-Tal-2 2.5/4 +1 4 Games Lc0 v.0.31.0-rc2 (gpu-nvidia-cudnn) d
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Examination of the new engine version: Stockfish 24041120

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  💾  120 games from the tournament download   👍 @chessenginesdiary  Country - Poland, City -  Malbork 🕓 Time 3'+3" 💻Dell G15 SE, i7-11800H RAM 16,0 GB 🖬 GUI-Banksia All  CEDR  317.321 games download  (01.04.2024 - 3'+3")  To make it easier to monitor the progress of new versions of the Stockfish engine, we are introducing a new way of examining them. The new engine will be checked by official versions of Stockfish starting from version 12. The first one was Stockfish 24041120 . Tech table: Engines KN/mov NPS dep/mov time/mov mov/game time/game fails Stockfish 12 18245 3695186 40.4 4.9 77.6 383.1 Stockfish 13 19514 4064093 43.1 4.8 81.0 388.9 Stockfish 14.1 14771 3186561 44.8 4.6 93.8 434.8 Stockfish 15.1 16896 3470651 47.2 4.9 86.5 420.9 Stockfish 16 13943 2923225 52.1 4.8 87.3 416.2 Stockfish 16.1 9695 1893369 41.8 5.1 69.7 356.9 Stockfish 20240411 9853 2006629 45.5 4.9 82.8 406.5
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Chess engine: Arasan 24.2.1 NNUE (Windows, Mac, Linux)

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  Arasan - UCI engines Author: Jon Dart Rating JCER=3580 Arasan 24.1 - results: Uralochka 3.41 dev1 13/28 -2 28 Games Minic 3.41 15.5/26 +5 26 Games Pawn 3.0 15/26 +4 26 Games RubiChess 20240112 8.5/24 -7 24 Games Booot 7.3 13.5/22 +5 22 Games Caissa 1.16 8.5/22 -5 22 Games Texel 1.11 13/20 +6 20 Games Obsidian 10.0 7.5/20 -5 20 Games Seer 2.8.0 7/18 -4 18 Games Alexandria 6.0 8.5/16 +1 16 Games RofChade 3.1 8.5/16 +1 16 Games Clover 6.1 8/16 +0 16 Games Polyfish 240114 6/16 -4 16 Games Avalanche 2.1.0 12/14 +10 14 Games Counter 5.5 10.5/14 +7 14 Games Velvet 7.0.0 7.5/14 +1 14 Games Ethereal 14.25 4.5/14 -5 14 Games Starzix 4.0 8/12 +4 12 Games Black Marlin 9.0 7/12 +2 12 Games Viridithas 12.0.0 5/12 -2 12 Games Rebel 16.3 5/12 -2 12 Games Arasan 24.2.1 NNUE - download Other versions (GUI, Mac and Linux) on page:  https://www.arasanchess.org Our social media: Twitter        Facebook      Instagram      Pinterest      Reddit  Tumblr   
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Chess engine: Lambergar 0.5.2 (Windows and Linux)

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  Lambergar - UCI chess engine  Rating CEDR=2758 Lambergar is a chess engine developed in the Zig programming language.  The name "Lambergar" is a nod to the Slovenian folk romance, Pegam and Lambergar, which recounts the epic struggle between Jan Vitovec and Krištof Lambergar (Lamberg). This narrative of fortitude and rivalry provided a fitting namesake for this chess engine. Lambergar is licensed under the MIT License. Check out LICENSE.txt for the full text. Feel free to use this program, but please credit this repository in your project if you use it. v.0.5.2: This release brings some minor bug fixes. UCI interface has been reorganized and is now smaller in terms of code size, but has same functionality. Some code refactoring so that the project can be compiled with newer zig versions. However, zig versions newer than 0.12.0-dev.1536+6b9f7e26c make engine really slow. Improved time controls. Strength of the engine remains the same as in version v0.5.1. Lambergar 0.5.1 res
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Strong Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.04.15 Time: 3'+3")

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  GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - Super GM 4 mvs,  6TBs. 🕒🕒Time 3'+3"   480 tournaments games download   💾 All games CEDR  317.321 games download  01.04.2024  (3'+3")    @chessenginesdiary Both Kookaburra 2.00 and Stockfish 16.1 engines scored the same number of points. Alexander 1.1 is the only chess engine in this lineup without nnue in last place, but won one game! P Engine Score +/-/= 1: Kookaburra 2.00 45.0 / 84 (+6 -0 =78) 2: Stockfish 16.1 45.0 / 84 (+6 -0 =78)
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New version chess engine: Raid 3.6 TacticaL RetreaT (Stockfish derivative)

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Raid - is a Stockfish derivative . Rating CEDR=3743 Raid 3.2 - results: Polyfish 240114 7/14 +0 14 Games Hazard 4.21 DuaL 6.5/12 +1 12 Games Leptir 100124 6/12 +0 12 Games Arasan 24.1 7.5/10 +5 10 Games Uralochka 3.41 dev1 6/10 +2 10 Games Caissa 1.16 5.5/10 +1 10 Games SF-PRO 07.01.2024 5/10 +0 10 Games Stockfish 20240117 5/10 +0 10 Games Minic 3.41 7/8 +6 8 Games Pawn 3.0 6.5/8 +5 8 Games Texel 1.11 5.5/8 +3 8 Games RubiChess 20240112 5/8 +2 8 Games CorChess 20240103 4/8 +0 8 Games Counter 5.5 4.5/6 +3 6 Games Obsidian 10.0 3.5/6 +1 6 Games Fisherov chess monk 1.2 3/6 +0 6 Games Avalanche 2.1.0 3.5/4 +3 4 Games Starzix 4.0 2.5/4 +1 4 Games Cool Iris 11.80 2/4 +0 4 Games Blue Marlin 15.7 2/4 +0 4 Games AI 28.0 2/4 +0 4 Games
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Caissa 1.18 wins Middle Class Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.04.13 Time: 3'+3")

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    GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - Super GM 4 mvs,  6TBs. 🕒🕒Time 3'+3"   480 tournaments games download   💾 All games CEDR  317.321 games download  01.04.2024  (3'+3")    @chessenginesdiary The Caissa 1.18 engine achieved an excellent result. The first three places in the tournament were taken by chess engines, which are "chasing" Stockfish. Will this chase succeed? For now, Stockfish is playing about 80-100 rating points better. But two years ago this advantage was much greater. P Engine Score +/-/= 1: Caissa 1.18 38.0 / 60 (+17 -1 =42) 2: Berserk 13 35.5 / 60 (+11 -0 =49) 3: Obsidian 12.0 34.5 / 60 (+10 -1 =49) 4: Ethereal 14.25 33.0 / 60 (+8 -2 =50) 5: Chess-System-Tal-2.00 32.5 / 60 (+9 -4 =47) 6: Clo
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Obsidian 12.0 wins Arena - New Engines Test, by CEDR 10-14.04.2024

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  💾  420 games from the tournament download   👍 @chessenginesdiary  Country - Poland, City -  Malbork 🕓 Time 3'+3" 💻enovo Z710 i7-4710MG 8GB RAM 🖬 GUI-Arena All  CEDR  317.321 games download  (01.04.2024 - 3'+3")  This tournament is useful for owners of older computers. The winner was the Obsidian 12.0 chess engine, which is playing stronger and stronger and who knows, maybe it will reach the level of Stockfish. P Engine CEDR Score Chg +/-/= 1: Obsidian 12.0 3660 33.5 / 40 +24 (+27 -0 =13) 2: Berserk 13 3699 32.5 / 40 +4 (+25 -0 =15) 3: Caissa 1.18 3671 32.0 / 40 +8 (+24 -0 =16) 4: Clover 6.1.19 3644 31.5 / 40 +8 (+23 -0 =17) 5: Rebel 16.3 3644 28.5 / 40 -24 (+19 -2 =19) 6: Vafra 14.12.1 3617 28.5 / 40 -16 (+20 -3 =1
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