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Chess engine: Mcu-max 1.0.5

M cu-max is an MCU-optimized C-language wrapper for the micro-Max chess engine.  Official first release.  M cu-max also comes with a UCI interface to simplify testing. Features * Configurable hashing. * Configurable node limit. * Configurable max depth. * Valid move Listing. * Best-move search termination. M cu-max is freely available and distributed under the MIT license. Mcu-max 1.0.5 download
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Recent posts

Chess engine: Xiphos 0.6.1 JA

Xiphos - UCI chess engine Rating CEDR=3354 , Author: Milos Tatarevic This project is inspired by Garry Kasparov's "Deep Thinking: Where Machine Intelligence Ends and Human Creativity Begins." This fantastic book has evoked my childhood passion, computer chess. I was wondering how hard it could be to develop an engine strong enough to suppress the legendary Deep Blue, so I gave it a try. Not a new release but new compiles - Jim Ablett. Xiphos 0.6.1 JA - download
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Chess engine: Slowpoke 0.1 JA

  Slowpoke -  Chess engine in Kotlin This post contained an announcement and a link about a new engine compiled by Jim Ablett. It is about Slowpoke_01_ja (an engine written in Kotlin by Terje Kirstihagen). Slowpoke 0.1 JA download
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Chess engine: Pirarucu 3.3.5 JA

Pirarucu - UCI chess engine (java)  Author : Raoni Campos, Rating CEDR=2929  Pirarucu -  A Kotlin Chess Engine with Universal Chess Interface protocol support and more than 3000 CCRL Rating. Not a new release but new compiles. Pirarucu 3.3.5 JA download
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New Chess Engines Diary Rating (CEDR) - 01.05.2024, over 333 thousand games!

  In April there were as many as   16,127 new games . In total there are 333.448 games! The new CEDR ranking was calculated based on these games. All 333.448 games download Chess Engines Diary Rating (CEDR) - 01.05.2024 Chess Engines Diary Rating CEDR – 01.05.2024 generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230) All 317.321 games, Time:3’+3” Minimum 250 games Pl Engine CEDR Score Games (%) 1 CorChess 031022 3770.3 173.50 253 68.58 2 Stockfish 20231104 3761.7 221.00 301 73.42 3 ShashChess 34 3747.9 156.50 260 60.19 4 Lc0 BT4 3715.1 180.00 318 56.60 5 Dragon 3.3 3712.1 1685.00 3225 52.25 6 Berserk 13 3700.1 525.00 884 59.39 7 Obsidian 12.0 3698.7 591.00 927 63.75 8 Caissa 1.18
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HypnoS 220424 wins Strong Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.04.29 Time: 3'+3")

The large test tournament (1104 games) was won by the HypnoS 220424 chess engine. This engine achieved a great score of +15 without a defeat. In second place is the Raid 3.6 TR engine and in third place is the SF-PB 240424 engine. GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - short ICCF book,  6TBs. 🕒🕒Time 3'+3"   1104 (!!!) tournaments games download   💾 All games CEDR  317.321 games download  01.04.2024  (3'+3")    @chessenginesdiary P Engine Score +/-/= 1: HypnoS 220424 53.5 / 92 (+15 -0 =77) 2: Raid 3.6 TR 52.0 / 92 (+14 -2 =76) 3: SF PB 240424 51.0 / 92 (+13 -3 =76) 4: Kookaburra 2.00 49.5 / 92 (+9 -2 =81) 5: CorChess 20240426 49.0 / 92 (+9 -3 =80) 6: ShashC
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New chess engine: Bitbit 1.2

Bitbit -  chess engine written in C. Author: Isak Ellmer (Sweden) All other files are licensed under the Creative Commons Attribution-ShareAlike  4.0 license (CC BY-SA 4.0). That includes this file, the various binary files  and any files that do not have a license notice for GPLv2. A copy of CC BY-SA  4.0 is available at <https://creativecommons.org/licenses/by-sa/4.0/>. Bitbit 1.2 download
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Chess engine: SF-PB 280424 (derived from Stockfish)

SF-PB  Stockfish, a UCI chess playing engine derived from Glaurung 2.1   Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file) Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This new version works with the NNUE neural networks. Rating CEDR=3759 Individual statistics: SF PB 081023 Lifish+HalfKP 1.0 5/5 +5 5 Games Viridithas 12.0.0 4/5 +3 5 Games Velvet 7.1.0 4/5 +3 5 Games Black Marlin 9.0 4/5 +3 5 Games Tenax 0.9.5 3.5/5 +2 5 Games Obsidian 11.0 3/5 +1 5 Games Stockfish 16.1 3/5 +1 5 Games Yuliirma 4.0 2.5/5 +0 5 Games SF-PRO 08.03.2024 2.5/5 +0 5 Games ShashChess 34.6 2.5/5 +0 5 Games Yuli GM Pro 16 2/5 -1 5 Games Texel 1.11 3/4 +2 4 Games Fisherov chess monk 1.2 2/4 +0 4 Games BabChess 1.0.0 1/1 +1 1 Games Expositor 4WR02 1/1 +1 1 Games TDFA 1.1.0 1/1 +1 1 Games Kobol 1.0 1/1 +1
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Chess engine: Pedantic 1.0.0

  Pedantic - UCI engines Rating CEDR=3124 v.1.0.0: Playing strength improvements: AMD Ryzen 7 5800h ♦ 256mb Hash Table ♦ 3-6 Man Syzygy ♦ Concurrency 14 ♦ openings-10ply-100k.pgn +91 +/-12 Elo over Pedantic 0.6.2 in self-play at 20+0.2 time controls. +115 +/-12 Elo over Pedantic 0.6.0 in self-play at 20+0.2 time controls. Self-Play Results Rank Name             Elo     +/-   Games    Wins  Losses   Draws   Points   Score    Draw    0 Pedantic 1.0.0   103       8    4000    1761     609    1630   2576.0   64.4%   40.8%    1 Pedantic 0.6.2   -91      12    2000     325     836     839    744.5   37.2%   41.9%    2 Pedantic 0.6.0  -115      12    2000     284     925     791    679.5   34.0%   39.6% What's Changed Add null move pruning. + 64 by @JoAnnP38 in #1 Add LMR. +61 Elo by @JoAnnP38 in #2 Reverse futility pruning. +8 Elo by @JoAnnP38 in #3 Add quiet history w/gravity. +90 Elo by @JoAnnP38 in #4 Add tempo bonus to evaluation. +73 Elo by @JoAnnP38 in #5 Add mobility evaluation.
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