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New Rating CEDR - 01.11.2021

6.079 games CEDR  Time: 15’+10” - download  πŸ’»

SugaR AI 2.40 wins new engines CEDR Tournament, 2021.10.23 - 31

  Time 15'+10" Intel Core i7 7,9 GB GUI Fritz 17 Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table created  Scid vs PC CEDR Test Tournament:   182 games

This is prehistory πŸ™‚ 11 years ago: Junior 2010 wins 4 League 03.08.2010

 This is prehistory πŸ™‚ 11 years ago: 4 League 03.08.2010 GUI-Fritz Time: 2',  Windows x32, Intel Celeron D.

Chess engine: Stockfish 14.1 official version (Windows and Android)

  Stockfish - UCI chess engine Rating CEDR=3314 We have already started the first tests of the Chess Engines Diary, results tomorrow!  Stockfish 14.1 NNUE download  

Chess engine: Walleye 1.5.1

Walleye is a UCI-compatible engine written using the classical alpha-beta style AI. It supports loading board positions from arbitrary FEN strings, Unicode pretty printing to the console, and UCI communication logs to help with debugging. Originally this project was meant as a first introduction to rust and chess programming, but it got a bit carried away. Author: Mitchel Paulin  Rating CEDR=2376 v.1.5.1 Fixed issue where Walleye would have high CPU usage across multiple cores even when only using one thread to search Walleye 1.5.1 download

This is prehistory πŸ™‚ 11 years ago: Houdini 1.03 wins 3 League 01.08.2010

  This is prehistory πŸ™‚ 11 years ago: 3 League 01.08.2010 GUI-Fritz Time: 3',  Windows x32, Intel Celeron D.

Chess engine: Foxsee 7.27.1

FoxSEE - UCI chess engine, Rating CEDR=2723 Author: Zixiao Han  v.7.27.1 Fixed crash bug No ELO gain on top of v7.27 FoxSEE 7.27.1 download

Chess engine: Raubfisch X47d2 and GTZ26d2 NNUE for Android

Raubfisch is an engine derived from Stockfish and Torpedo 1.1 XJR (private engine by Frank Karl Werner and Max Fehler). Raubfisch X47d2a and GTZ26d2a NNUE for Android - download

This is prehistory πŸ™‚ 11 years ago: Houdini 1.03a wins 2 League 30.07.2010

This is prehistory πŸ™‚ 11 years ago: 2 League 30.07.2010 GUI-Fritz Time: 5',  Windows x32, Intel Celeron D.

Fisherov 0.98g wins CEDR - Banksia Swiss Tournament, 2021.10.26-28

Time 15'+10" HP Pavilion i5-1035G1, 8GB RAM GUI  Banksia Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table:  Scid vs PC CEDR Test Tournament:   104 games   P Engine Score 1 2 3 4 5 6 7 8 +/-/= 1: Fisherov 0.98g 6.5 / 9 5w+ 7b= 6w= 3w= 2b= 4b= 13w+ 9w+ (+4 -0 =5) 2: ShashChess 19.0.1 6.5 / 9 12w+ 4b= 17w+ 6b= 1w= 7w= 10b+ 14w+ (+4 -0 =5) 3: Raubfisch X47d2a 6.0 / 9 8w+ 9b= 16w+ 1b= 7b= 13b= 11w+ 5w= (+3 -0 =6) 4: Bluefish 180921 6.0 / 9 9b= 2w= 10b+ 7w= 5b= 1w= 6b= 13w+ (+3 -0 =6) 5: CorChess 241021 6.0 / 9 1b- 19b+ 9w+ 13w+ 4w= 6b= 7w= 3b= (+4 -1 =4) 6: Stockfish 241021 6.0 / 9 22b+ 13b= 1b= 2w= 9w+ 5w= 4w= 7b= (+3 -0 =6) 7: BrainLearn 14 5.5

Chess engine: ShashChess 19.1 (Windows, Android and Linux)

ShashChess - UCI chess engine. Rating CEDR=3294 ShashChess 19.1 - download

Velvet 3.0.0 wins CEDR - Amateur Engines Tournament, 2021.10.23 - 25

  Time 15'+10" Lenovo Z710 i7-4710MG, 8GB RAM GUI  Arena 3.5.1 Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table:  Scid vs PC CEDR Test Tournament:   90games

Chess engine: Eggnog NNUE 2.0

Eggnog - UCI chess engine,  Author: Levi Gibson Eggnog 2.0 has many improvements 1.0 in both evaluation and search. The interface has stayed the same. Eggnog NNUE 2.0 download

Chess engine: Black Marlin 1.0 NNUE

Black Marlin - UCI engine, Author: Doruk SEKERCIOGLU First release of Black Marlin or BM for short. Features: Supports the UCI Protocol NNUE trained on self-play Classical Alpha Beta Search that supports LazySMP NNUE: The Neural Network comes embedded in the binary, and can't be deactivated. Due to major differences in design, Black Marlin neural networks can't/most likely won't be compatible with other engines' neural networks. Search: The search supports usage of multiple threads. The optimal number is most likely the amount of threads your CPU supports however a larger Hash will be required. An Elo gain of ~80 can be expected for each thread doubling. Black Marlin 1.0 download

Chess engine: BLANK 1.0.1 (java)

BLANK is a UCI (java) chess engine. Author:  Ryan Lau This engine was written from scratch based off Object-Oriented design using Java. The basic UCI (Universal Chess Interface) protocol has been implemented for communication with UCI-compatible GUIs. It also has an in-built GUI to directly interact with the engine. To install BLANK Chess as a UCI engine on Arena Chess GUI: From the Arena GUI MenuBar, Select Engines > Install New Engine Select .jar file type and navigate to location of the saved binary file. Select the binary file and choose UCI protocol. Go to the MenuBar, Select Engines > Manage... > Details and Select BLANK Chess Engine Under General, Click on the Type drop-down list > select UCI. Apply changes. Enjoy the engine! v.1.0.1 Added UCI "OwnBook" option to disable in-built opening book. Fixed a bug in "go movetime " where the time allocated for the engine to "think" was incorrect. BLANK 1.0.1 download

Chess engine: Hopper Engine 1.5

Hopper Engine  - UCI chess engine Author: Jonathan McDermid  v.1.5 Timeout issues from v1.4 should be fixed and more pruning methods have been added. Should be at least 100 ELO stronger than v1.4! Current Features: negamax algorithm forsyth–edwards notation material evaluation mobility evaluation alpha-beta pruning iterative deepening principle variations transposition tables pawn hash table zobrist keys null moves zugswang detection quiescent search dynamic aspiration windows pinned piece detection double check detection threatened squares killer moves perft principal variation search MVV-LVA LMR Hopper Engine 1.5 download

Chess engine: Caissa 0.2 NNUE

Caissa - UCI chess engine,  Author: MichaΕ‚ Witanowski UCI command-line chess engine written in C++. Currently compiles only for Windows, Linux version is on the way. Estimated ELO: 2800 (10+1 time control, single threaded, with NNUE) v.0.2: Fixed multithreading crash Improved transposition table Included NNUE file Gained ~100 Elo compared to version 0.1 Caissa 0.2 download

Chess engine: Blunder 7.1.0

Blunder - UCI chess engine Author: Christian Dean, Rating CEDR= 2533 v.7.1.0 The release of this version includes late-move reductions, basic futility pruning, as well as a static-exchange evaluation routine, as well as a little refractoring and bug-fixing here and there. The Elo gains for each feature can be seen in the commit history. Going forward this will be the place where I try to document Elo gains (if any) from new features. Blunder 7.1.0 download

This is prehistory πŸ™‚ 11 years ago: Stockfish 1.8 wins 1 League 27.07.2010

This is prehistory πŸ™‚ 11 years ago: 1 League 27.07.2010 GUI-Fritz Time: 5',  Windows x32, Intel Celeron D.

Chess engine for Android: CorChess 2021-10-25 NNUE

CorChess is a clone of Stockfish maintained for better performance on long time controls, trying at least partially to fill the gap between regular tests and demands of correspondence players. Rating JCER=3075 CorChess 2021-10-25 NNUE - download

SlowChess 2.7 wins Banksia - CEDR Tournament, 25-26.10.2021

  Time 15'+10" HP Pavilion i5-1035G1, 8GB RAM GUI  Banksia Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table:  Scid vs PC CEDR Test Tournament:   56 games Tech (average nodes, depths, time/m per move, others per game), counted for computing moves only, ignored moves with zero nodes: # name nodes/m NPS depth/m time/m moves time #fails.

This is prehistory πŸ™‚ 11 years ago: DeepSaros.exe ver.2.3c5 wins 1 League 08.12.2010

This is prehistory πŸ™‚ 11 years ago:  1 League 08.12.2010 GUI-Fritz Time: 2',  Windows x32, Intel Celeron D.

Chess engine: BLANK 1.0 (java)

BLANK is a UCI (java) chess engine. Author:  Ryan Lau This engine was written from scratch based off Object-Oriented design using Java. The basic UCI (Universal Chess Interface) protocol has been implemented for communication with UCI-compatible GUIs. It also has an in-built GUI to directly interact with the engine. To install BLANK Chess as a UCI engine on Arena Chess GUI: From the Arena GUI MenuBar, Select Engines > Install New Engine Select .jar file type and navigate to location of the saved binary file. Select the binary file and choose UCI protocol. Go to the MenuBar, Select Engines > Manage... > Details and Select BLANK Chess Engine Under General, Click on the Type drop-down list > select UCI. Apply changes. Enjoy the engine! BLANK 1.0 download

Chess engine: BrainLearn 14 and NNUE (Windows and Linux)

BrainLearn - UCI chess engine Rating CEDR=3271 v.14: Tuning of a Null Move Parameter Solved a random bug on some systems with very large experience files. A big thank you to all the users who took it over. Great general improvement on learning system. BrainLearn 14 - download

Chess engine UCI: Zahak 8.0 (Windows, Linux and Mac)

  Zahak - UCI chess engine written in Go.  Author: Amanj Sherwany  Rating CEDR=2866 v.8.0 This version is bit by bit equivallent to 7.0, except the UCI has been "fixed" to work with BanksiaGUI and DroidFish Zahah 8.0 download

Chess engine: ShashChess 19.0.1 (Windows and Linux)

ShashChess - UCI chess engine. Rating CEDR=3294 v. 19.0.1 Tuning of a Null Move Parameter Solved a random bug on some systems with very large experience files. A big thank you to all the users who took it over. Great general improvement on learning system. Added CB Uci_elo and UCI_LimitStrength uci options for chessbase products users. ShashChess 19.0.1 - download

Chess engine for Android: Crystal 20-10-2021

Crystal  is a free, powerful UCI chess engine derived from Stockfish.    Rating JCER=2944 Crystal 20-10.2021 for Android -  download

This is prehistory πŸ™‚ 12 years ago: RobboLito 085d2 wins Super Eliminations T02, 06.11.2009

This is prehistory πŸ™‚ 12 years ago:  Super Eliminations T02 , 06.11.2009 GUI-Arena Time: 1',  Windows x32, Intel Celeron D.

Chess engine: Stockfish 2021-10-23 Ivec

Stockfish - UCI chess engine, compiled by Ivec Rating CEDR=3314 Stockfish 2021-10-23 Ivec NNUE download

Chess engine: Raubfisch X47d2a and GTZ26d2a NNUE

Raubfisch is an engine derived from Stockfish and Torpedo 1.1 XJR (private engine by Frank Karl Werner and Max Fehler).  Rating CEDR - 3300  (3st place) *********************************************************************************************** Warning : The network is not embedded, you must add the NNUE network with the engine in the same file. Otherwise, the engine will not work! *********************************************************************************************** Raubfisch X47d2a and GTZ26d2a NNUE - download

Chess engine: CorChess 2021-10-23 and NNUE

CorChess is a clone of Stockfish maintained for better performance on long time controls, trying at least partially to fill the gap between regular tests and demands of correspondence players. Rating CEDR=3292 CorChess 2021-10-23 NNUE - download

Chess engine for Android: Demolito 2021-10-21

Demolito - UCI chess engine Author : Lucas Braesch  Rating JCER=2730   Demolito 2021-10-21 for Android download

Chess engine: Caissa 0.1

Caissa - UCI chess engine,  Author: MichaΕ‚ Witanowski UCI command-line chess engine written in C++. Currently compiles only for Windows, Linux version is on the way. Estimated ELO: 2800 (10+1 time control, single threaded, with NNUE) Caissa 0.1 download

Chess engine: Stockfish 21102422

Stockfish - UCI chess engine, compiled by Joost VandeVondele Rating CEDR=3314 (2 place) Timestamp: 1635106675 Adjust ButterflyHistory decay parameter passed STC: LLR: 2.98 (-2.94,2.94) <-0.50,2.50> Total: 26680 W: 6807 L: 6593 D: 13280 Elo +2.79 Ptnml(0-2): 73, 3007, 6989, 3175, 96 https://tests.stockfishchess.org/tests/view/6174094e6ce927be32558441 passed LTC: LLR: 2.98 (-2.94,2.94) <0.50,3.50> Total: 21104 W: 5403 L: 5185 D: 10516 Elo +3.59 Ptnml(0-2): 8, 2160, 6001, 2372, 11 https://tests.stockfishchess.org/tests/view/61744927351812fe5f969864 Bench: 6334068 Stockfish 21102422 NNUE download  

Chess engine for Android: Greko 2021.10

Greko - UCI chess engine, Author: Vladimir Medvedev  Rating JCER=2659 Greko 2021.10 for Android - download

This is prehistory πŸ™‚ 11 years ago: RobboLito 0085e3 wins Eliminations T04, 24.11.2009

This is prehistory πŸ™‚ 11 years ago:  Eliminations T04, 24.11.2009 GUI-Arena Time: 1',  Windows x32, Intel Celeron D.

Bluefish NNUE 180921 wins BanksiaTournament, 2021.10.23-24

Time 15'+10" HP Pavilion, i5-1035G1, 8GB RAM GUI Banksia Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table:  Scid vs PC CEDR Test Tournament:   56 games Tech (average nodes, depths, time/m per move, others per game), counted for computing moves only, ignored moves with zero nodes: # name nodes/m NPS depth/m time/m moves time #fails. P Engine Score Bl Fi Ra St Co Lc Mi De +/-/= 1: Bluefish NNUE 180921 10.0 / 14 XX == == == == 11 11 11 (+6 -0 =8) 2: Fisherov 0.98g NNUE 9.5 / 14 == XX == == == =1 11 11 (+5 -0 =9) 3: Raubfisch X47d2 NNUE 9.0 / 14 == == XX == == 1= 11 1= (+4 -0 =10) 4: Stockfish 231021 NNUE 9.0 / 14 == == == XX == 1= 1= 11 (+4 -0 =10) 5: CorChess 171021 NNUE 8.5 / 14 == == == == XX =1 1= =1 (+3 -0 =11) 6: Lc0 0.28.0

This is prehistory πŸ™‚ 11 years ago: RobboLito 085 wins 4 League T04, 23.11.2009

This is prehistory πŸ™‚ 11 years ago: 4 League T04, 23.11.2009 GUI-Arena Time: 1',  Windows x32, Intel Celeron D.

Devre 1.0 wins CEDR - Amateur League E5 - edition 01, 2021.10.17 - 21

CEDR=Chess Engines Diary Rating Amateur League E5 edition 01: Devre 1.0 and  Mantissa 2.5.0  promote to group E4 (Amateur League) Neocortex 1.0 and  Haddock 0.2.1  end of testing  Time 15'+10" Lenovo Z710 i7-4710MG, 8GB RAM GUI  Fritz 15 Book  Perfect 2021 CEDR 2.278 games 01.10.2021 Table:  Scid vs PC CEDR League Tournament:   171 games Amateur and new engines E1 Edition 01 – temp 15’+10” Rating Score note 1 GreKo 2020.08 NNUE 3065 22.0 / 30 promotion 2 Amoeba 3.3 3127 21.5 / 30 promotion 3 Bit-Genie 9 3105 21.0 / 30 4 Fabchess 1.16 3131 19.0 / 30 5 Francesca 0.30a 3125 18.5 / 30 6 Baron 3.44.1 3108 17.5 / 30 7 Godel 7.0 3118 17.0 / 3