| Rank | Chess Engine | ELO | Games | Score% | Author |
|---|---|---|---|---|---|
| 1 | Stockfish 17.1 | 105.5 | 100 | 68.00 | Romstad, Costalba, Kiiski, Linscott, etc |
| 2 | Obsidian 16 | 78.0 | 100 | 64.50 | Gabriele Lombardo |
| 3 | Integral 7 | 66.6 | 100 | 63.00 | Aron Petkovski |
| 4 | Plenty 6 | 55.5 | 100 | 61.50 | Yoshie2000 |
| 5 | Alexandria 8 | 55.5 | 100 | 61.50 | Zuppa, CJ and Contributors |
| 6 | Caissa 1.22 | 29.9 | 100 | 58.00 | Michal Witanowski |
| 7 | Komodo Dragon 3.3 | 26.3 | 100 | 57.50 | Dailey, Kaufman, Lefler, Pervov, Kappe |
| 8 | Berserk 13 | 22.8 | 100 | 57.00 | Jay Honnold |
| 9 | Rubi 20240817 | 12.1 | 100 | 55.50 | Andreas Matthies |
| 10 | Lizard 11.2 | 8.5 | 100 | 55.00 | Liam McGuire |
| 11 | Motor 0.9 | 5.0 | 100 | 54.50 | Martin Novak |
| 12 | Clover 8.1 | -5.6 | 100 | 53.00 | Luca Metehau |
| 13 | Starzix 6.1 | -19.6 | 100 | 51.00 | zzzzz |
| 14 | Viridithas 17 | -19.6 | 100 | 51.00 | Cosmo |
| 15 | Uralochka 3.42 | -26.6 | 2100 | 46.12 | Ivan Maklyakov |
| 16 | Quanticade 2 | -26.6 | 100 | 50.00 | DarkNeutrino |
| 17 | Titan 1.1 | -44.2 | 100 | 47.50 | Jeff Powell |
| 18 | Revenge 4 | -47.7 | 100 | 47.00 | Fabio Gobbato |
| 19 | Booot 7.4 | -58.3 | 100 | 45.50 | Alex Morozov |
| 20 | Koivisto 9.2 | -61.8 | 100 | 45.00 | Finn Eggers, Kim Kahre |
| 21 | CS Tal 2 | -65.3 | 100 | 44.50 | Chris Wittington, Ed Schroder |
| 22 | Seer 2.8 | -90.4 | 100 | 41.00 | Connor McMonigle |
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The Week in Chess
Monday, June 9, 2025
Uralochka 3.42 vs Top Chess Engines
Plenty 6 vs Top Chess Engines
| Rank | Chess Engine | ELO | Games | Score% | Author |
|---|---|---|---|---|---|
| 1 | Stockfish 17.1 | 106.7 | 100 | 57.50 | Romstad, Costalba, Kiiski, Linscott, etc |
| 2 | Obsidian 16 | 81.8 | 100 | 54.00 | Gabriele Lombardo |
| 3 | Plenty 6 | 53.7 | 2000 | 57.78 | Yoshie2000 |
| 4 | Alexandria 8 | 36.2 | 100 | 47.50 | Zuppa, CJ and Contributors |
| 5 | Integral 7 | 32.7 | 100 | 47.00 | Aron Petkovski |
| 6 | Caissa 1.22 | 32.7 | 100 | 47.00 | Michal Witanowski |
| 7 | Komodo Dragon 3.3 | 29.2 | 100 | 46.50 | Dailey, Kaufman, Lefler, Pervov, Kappe |
| 8 | Berserk 13 | 25.6 | 100 | 46.00 | Jay Honnold |
| 9 | Starzix 6.1 | 22.1 | 100 | 45.50 | zzzzz |
| 10 | Lizard 11.2 | 22.1 | 100 | 45.50 | Liam McGuire |
| 11 | Rubi 20240817 | 7.9 | 100 | 43.50 | Andreas Matthies |
| 12 | Motor 0.9 | 4.3 | 100 | 43.00 | Martin Novak |
| 13 | Quanticade 2 | -2.8 | 100 | 42.00 | DarkNeutrino |
| 14 | Viridithas 17 | -10.1 | 100 | 41.00 | Cosmo |
| 15 | CS Tal 2 | -17.3 | 100 | 40.00 | Chris Wittington, Ed Schroder |
| 16 | Titan 1.1 | -32.1 | 100 | 38.00 | Jeff Powell |
| 17 | Clover 8.1 | -43.3 | 100 | 36.50 | Luca Metehau |
| 18 | Revenge 4 | -62.5 | 100 | 34.00 | Fabio Gobbato |
| 19 | Koivisto 9.2 | -70.4 | 100 | 33.00 | Finn Eggers, Kim Kahre |
| 20 | Booot 7.4 | -82.4 | 100 | 31.50 | Alex Morozov |
| 21 | Seer 2.8 | -134.2 | 100 | 25.50 | Connor McMonigle |
Thursday, May 29, 2025
Quanticade 2 vs Top Chess Engines
| Rank | Chess Engine | ELO | Games | Score% | Author |
|---|---|---|---|---|---|
| 1 | Stockfish 17.1 | 138.9 | 100 | 67.00 | Romstad, Costalba, Kiiski, Linscott, etc |
| 2 | Obsidian 16 | 93.2 | 100 | 61.00 | Gabriele Lombardo |
| 3 | Alexandria 8 | 82.2 | 100 | 59.50 | Zuppa, CJ and Contributors |
| 4 | Komodo Dragon 3.3 | 75.0 | 100 | 58.50 | Dailey, Kaufman, Lefler, Pervov, Kappe |
| 5 | Plenty 5 | 64.2 | 100 | 57.00 | Yoshie2000 |
| 6 | Viridithas 17 | 53.5 | 100 | 55.50 | Cosmo |
| 7 | Berserk 13 | 42.9 | 100 | 54.00 | Jay Honnold |
| 8 | Rubi 20240817 | 39.4 | 100 | 53.50 | Andreas Matthies |
| 9 | Caissa 1.22 | 25.3 | 100 | 51.50 | Michal Witanowski |
| 10 | Integral 7 | 25.3 | 100 | 51.50 | Aron Petkovski |
| 11 | Lizard 11.2 | 21.8 | 100 | 51.00 | Liam McGuire |
| 12 | Starzix 6.1 | 21.8 | 100 | 51.00 | zzzzz |
| 13 | Motor 0.8 | 18.3 | 100 | 50.50 | Martin Novak |
| 14 | Titan 1.1 | 14.8 | 100 | 50.00 | Jeff Powell |
| 15 | Quanticade 2 | 14.8 | 3000 | 52.13 | DarkNeutrino |
| 16 | Clover 8.1 | 0.8 | 100 | 48.00 | Luca Metehau |
| 17 | Koivisto 9.2 | -9.8 | 100 | 46.50 | Finn Eggers, Kim Kahre |
| 18 | Booot 7.4 | -13.3 | 100 | 46.00 | Alex Morozov |
| 19 | Uralochka 3.41 | -16.8 | 100 | 45.50 | Ivan Maklyakov |
| 20 | Renegade 1.2 | -20.4 | 100 | 45.00 | Krisztian Peocz |
| 21 | Igel 3.6 | -27.5 | 100 | 44.00 | Volodymyr Shcherbyna |
| 22 | Revenge 4 | -34.6 | 100 | 43.00 | Fabio Gobbato |
| 23 | CS Tal 2 | -34.6 | 100 | 43.00 | Chris Wittington, Ed Schroder |
| 24 | Astra 5.2 | -45.4 | 100 | 41.50 | Semih Oezalp |
| 25 | Rofchade 3.1 | -49.0 | 100 | 41.00 | Ronald Friederich |
| 26 | Devre 6 | -56.3 | 100 | 40.00 | Omer Faruk Tutkun |
| 27 | Clarity 8 | -56.3 | 100 | 40.00 | Vast |
| 28 | Arasan 25.1 | -71.0 | 100 | 38.00 | Jon Dart |
| 29 | Velvet 7.3 | -82.2 | 100 | 36.50 | Martin Honert |
| 30 | Seer 2.8 | -93.7 | 100 | 35.00 | Connor McMonigle |
| 31 | Peacekeeper 3.01 | -121.3 | 100 | 31.50 | Kyle Zhang |
Obsidian 16 vs Top Chess Engines
| Rank | Chess Engine | ELO | Games | Score% | Author |
|---|---|---|---|---|---|
| 1 | Stockfish 17.1 | 144.6 | 100 | 54.50 | Romstad, Costalba, Kiiski, Linscott, etc |
| 2 | Obsidian 16 | 113.0 | 3000 | 65.72 | Gabriele Lombardo |
| 3 | Komodo Dragon 3.3 | 74.3 | 100 | 44.50 | Dailey, Kaufman, Lefler, Pervov, Kappe |
| 4 | Plenty 5 | 67.1 | 100 | 43.50 | Yoshie2000 |
| 5 | Alexandria 8 | 63.6 | 100 | 43.00 | Zuppa, CJ and Contributors |
| 6 | Integral 7 | 63.6 | 100 | 43.00 | Aron Petkovski |
| 7 | Rubi 20240817 | 63.6 | 100 | 43.00 | Andreas Matthies |
| 8 | Caissa 1.22 | 52.8 | 100 | 41.50 | Michal Witanowski |
| 9 | Berserk 13 | 49.2 | 100 | 41.00 | Jay Honnold |
| 10 | Starzix 6.1 | 15.9 | 100 | 36.50 | zzzzz |
| 11 | Lizard 11.2 | 15.9 | 100 | 36.50 | Liam McGuire |
| 12 | Clover 8.1 | 15.9 | 100 | 36.50 | Luca Metehau |
| 13 | CS Tal 2 | 12.1 | 100 | 36.00 | Chris Wittington, Ed Schroder |
| 14 | Titan 1.1 | 4.5 | 100 | 35.00 | Jeff Powell |
| 15 | Viridithas 17 | 4.5 | 100 | 35.00 | Cosmo |
| 16 | Revenge 4 | 0.6 | 100 | 34.50 | Fabio Gobbato |
| 17 | Motor 0.8 | -15.1 | 100 | 32.50 | Martin Novak |
| 18 | Quanticade 1 | -15.1 | 100 | 32.50 | DarkNeutrino |
| 19 | Rofchade 3.1 | -15.1 | 100 | 32.50 | Ronald Friederich |
| 20 | Booot 7.4 | -27.3 | 100 | 31.00 | Alex Morozov |
| 21 | Astra 5.2 | -35.5 | 100 | 30.00 | Semih Oezalp |
| 22 | Igel 3.6 | -43.9 | 100 | 29.00 | Volodymyr Shcherbyna |
| 23 | Uralochka 3.41 | -48.2 | 100 | 28.50 | Ivan Maklyakov |
| 24 | Devre 6 | -48.2 | 100 | 28.50 | Omer Faruk Tutkun |
| 25 | Koivisto 9.2 | -56.9 | 100 | 27.50 | Finn Eggers, Kim Kahre |
| 26 | Clarity 8 | -65.8 | 100 | 26.50 | Vast |
| 27 | Seer 2.8 | -65.8 | 100 | 26.50 | Connor McMonigle |
| 28 | Arasan 25.1 | -70.3 | 100 | 26.00 | Jon Dart |
| 29 | Renegade 1.2 | -70.3 | 100 | 26.00 | Krisztian Peocz |
| 30 | Peacekeeper 3.01 | -79.6 | 100 | 25.00 | Kyle Zhang |
| 31 | Velvet 7.3 | -103.8 | 100 | 22.50 | Martin Honert |
Thursday, May 8, 2025
Arasan 25.1 vs Top Chess Engines
| Rank | Chess Engine | ELO | Games | Score% | Author |
|---|---|---|---|---|---|
| 1 | Stockfish 17.1 | 202.7 | 100 | 77.50 | Romstad, Costalba, Kiiski, Linscott, etc |
| 2 | Berserk 13 | 160.2 | 100 | 73.00 | Jay Honnold |
| 3 | Obsidian 15 | 160.2 | 100 | 73.00 | Gabriele Lombardo |
| 4 | Integral 7 | 130.3 | 100 | 69.50 | Aron Petkovski |
| 5 | Caissa 1.22 | 122.1 | 100 | 68.50 | Michal Witanowski |
| 6 | Alexandria 8 | 118.0 | 100 | 68.00 | Zuppa, CJ and Contributors |
| 7 | Plenty 5 | 106.1 | 100 | 66.50 | Yoshie2000 |
| 8 | Clover 8.1 | 98.3 | 100 | 65.50 | Luca Metehau |
| 9 | Viridithas 17 | 94.4 | 100 | 65.00 | Cosmo |
| 10 | Lizard 11.2 | 90.6 | 100 | 64.50 | Liam McGuire |
| 11 | Komodo Dragon 3.3 | 79.2 | 100 | 63.00 | Dailey, Kaufman, Lefler, Pervov, Kappe |
| 12 | Starzix 6.1 | 75.4 | 100 | 62.50 | zzzzz |
| 13 | Rubi 20240817 | 53.3 | 100 | 59.50 | Andreas Matthies |
| 14 | Quanticade 1 | 38.9 | 100 | 57.50 | DarkNeutrino |
| 15 | Koivisto 9.2 | 38.9 | 100 | 57.50 | Finn Eggers, Kim Kahre |
| 16 | CS Tal 2 | 35.3 | 100 | 57.00 | Chris Wittington, Ed Schroder |
| 17 | Clarity 8 | 35.3 | 100 | 57.00 | Vast |
| 18 | Titan 1.1 | 31.8 | 100 | 56.50 | Jeff Powell |
| 19 | Seer 2.8 | 28.2 | 100 | 56.00 | Connor McMonigle |
| 20 | Renegade 1.2 | 24.6 | 100 | 55.50 | Krisztian Peocz |
| 21 | Astra 5.2 | 21.1 | 100 | 55.00 | Semih Oezalp |
| 22 | Motor 0.8 | 14.0 | 100 | 54.00 | Martin Novak |
| 23 | Velvet 7.3 | 10.5 | 100 | 53.50 | Martin Honert |
| 24 | Revenge 4 | 7.0 | 100 | 53.00 | Fabio Gobbato |
| 25 | Booot 7.4 | 3.5 | 100 | 52.50 | Alex Morozov |
| 26 | Rofchade 3.1 | 0.0 | 100 | 52.00 | Ronald Friederich |
| 27 | Igel 3.6 | -3.6 | 100 | 51.50 | Volodymyr Shcherbyna |
| 28 | Uralochka 3.41 | -3.6 | 100 | 51.50 | Ivan Maklyakov |
| 29 | Peacekeeper 3.01 | -7.1 | 100 | 51.00 | Kyle Zhang |
| 30 | Arasan 25.1 | -14.1 | 5000 | 48.12 | Jon Dart |
| 31 | Fire 9.3 | -31.6 | 100 | 47.50 | Norman Schmidt |
| 32 | Devre 6 | -35.1 | 100 | 47.00 | Omer Faruk Tutkun |
| 33 | Altair 7.03 | -49.2 | 100 | 45.00 | Alexander Tian |
| 34 | Slow Blitz 2.9 | -49.2 | 100 | 45.00 | Jonathan Kreuzer |
| 35 | Stormphrax 4.1 | -49.2 | 100 | 45.00 | Ciekce |
| 36 | Tenax 1 | -49.2 | 100 | 45.00 | Roberto Munter |
| 37 | Cinder 0.1.3 | -52.8 | 100 | 44.50 | Bruno Dutra |
| 38 | Texel 1.12 | -67.0 | 100 | 42.50 | Peter Osterlund |
| 39 | Superultra 2.1 | -67.0 | 100 | 42.50 | Alexander Liang |
| 40 | Elixir 3 | -70.6 | 100 | 42.00 | Arjun Basandrai |
| 41 | Pawn 4 | -70.6 | 100 | 42.00 | Jonathan Hallstrom |
| 42 | Akimbo 1 | -85.1 | 100 | 40.00 | Jamie Whiting |
| 43 | Equisetum 1 | -88.8 | 100 | 39.50 | Elliott, Alexander |
| 44 | Black Marlin 9 | -92.5 | 100 | 39.00 | Doruk S. |
| 45 | Rice 8 | -107.3 | 100 | 37.00 | Rafid Ahsan |
| 46 | Halogen 12 | -114.9 | 100 | 36.00 | Kieren Pearson |
| 47 | Willow 4 | -126.4 | 100 | 34.50 | Adam Kulju |
| 48 | Spaghet 1 | -130.3 | 100 | 34.00 | Li Ying |
| 49 | Carp 3.0.1 | -134.2 | 100 | 33.50 | Andrea Sgobbi |
| 50 | Minic 3.41 | -138.2 | 100 | 33.00 | Vivien Clauzon |
| 51 | Wasp 7.07 | -142.2 | 100 | 32.50 | John Stanback |
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