Chess Engines Diary Tournament - CEDR 2024

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CorChess 20240502 wins New Strong Engines Test, by Chess Engines Diary 2024.05.21-23
https://chessengines.blogspot.com/2024/ ... trong.html

Only the best chess engines played in this tournament. The winner was CorChess 20240502. 5 other engines scored the same number of points sharing the second place: Stockfish 20240521, Raid 3.6 TR, Stockfish 20240501 Ivec, Deep Blue-20240518-assassin, Stockfish 16.1.

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JigSaw 5.5i wins Strong Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.05.22 Time: 3'+3")
https://chessengines.blogspot.com/2024/ ... es_25.html

The JigSaw 5.5i engine won a major best chess engine tournament. In places 2 to 4 engines: SF-PRO 05/05/2024, HypnoS 160524 and Marauders 3.4. A total of 840 games were played.

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Winter 3.10a JA wins Amateur League CEDR group A1 edition 04/2024, by Chess Engines Diary, 2024.05.24-25
https://chessengines.blogspot.com/2024/ ... -cedr.html

The Winter 3.10a JA engine achieved a very good result. Chess engines that took places 2 to 4 were also promoted to TOP-64: Toga IV 1.1 JA, Frozenight 6.0.0 and Saturn 1.3.

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Uralochka 3.41a JA wins New Amateur Engines Test, by Chess Engines Diary 2024.05.21-23
https://chessengines.blogspot.com/2024/ ... ateur.html

Among the new versions of amateur chess engines, the Uralochka 3.41a JA engine was the best. Winter 3.10a JA and Tucano 11.19 JA engines in place 2 and 3.
A very large increase in the ranking (+143) was recorded by the Weiawaga 5.0 JA engine.

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Dragon 3.3 wins Middle Class Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.05.27 Time: 3'+3")
https://chessengines.blogspot.com/2024/ ... gines.html

Dragon 3.3 was included in the group of medium-class chess engines. It is much weaker than Stockfisk and has no chance against it and its derivatives. Berserk 13 was slightly worse, half a point less. In 3rd place - Obsidian 12.0.
This tournament includes as many as 1365 games.

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Demolito 2023-11-04 wins Amateur League CEDR group A3 edition 04/2024, by Chess Engines Diary, 2024.05.27-28
https://chessengines.blogspot.com/2024/ ... ue_29.html

Demolito 2023-11-04 chess engine achieved a great result. 37.5 points out of 38 possible!
The following engines were also promoted to group A2: Patricia 2.0.1, Lambergar 0.5.2, Gargantua 1.0.
The Mantissa 3.7.2 engine has had problems starting in the Banksia GUI for the second time and will no longer play in the CEDR league.

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ice4 v4 wins Amateur League CEDR group A4 edition 04/2024, by Chess Engines Diary, 2024.05.28-29
https://chessengines.blogspot.com/2024/ ... group.html

The clear victory was won by the ice 4 v4 engine. The engines that took places 2 to 4 were also promoted to group A3: Ceibo 1.0, Colossus 2022a and Dumb 2.1.

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SugaR AI SE wins New Strong Engines Test, by Chess Engines Diary, 2024.05.25-29
https://chessengines.blogspot.com/2024/ ... gines.html

The tournament of strong chess engines was won by SugaR AI SE. This is a very good compilation though. In places 2 to 4: Stockfish 20240523 Ivec, Sun 15 and Deep Blue-20240518-assassin.

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JigSaw 5.7 wins Strong Engines Tournament (Tests by Jörn Gronemann, Heide, 2024.05.29 Time: 3'+3")
https://chessengines.blogspot.com/2024/ ... gines.html

Very good result of the JigSaw 5.7 engine. 6 wins without defeat.
In 2nd and 3rd place are Marauders 3.4 and CorChess 20240523. At the end of the table (as always) is the commercial Dragon.

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Uralochka 3.41a JA wins Arena - new amateur Engines Test, by Chess Engines Diary 25-28.05.2024
https://chessengines.blogspot.com/2024/ ... a-new.html

It was a very tight tournament. The Uralochka 3.41a JA chess engine won by a small margin, but three engines were right behind it, only half a point behind: Clover 6.1.2.4 JA, Alexandria 6.1.0 and Igel 3.5.5 JA. In 5th place was the Starzix 5.0 engine, which scored only one point less than the winner.