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▶ Elo List
Full Elo List(Blitz+Bullet)
Blitz Elo Rating)
Elo List(5% of Blitz TC)
Elo List(1% of of Blitz TC)
📈 Best Versions(5% of Blitz TC)
📈 Best Versions(1% of Blitz TC)
▶ Chess Engines
Download Chess Engines
▶ PGNViewer
📈 PGN-Viewer
▶ RUNNING Tournaments
📈 Stockfish vs Reckless 📈 The Rapid-Blitz Symmetry Trial
▶ RECENT Tournaments
📈 Raphael 3.1.0 x64(BMI2-5Pct) 📈 Raphael 3.2.0 x64(BMI2-5Pct) 📈 WorlCup-2026 Finals Board-1 📈 WorlCup-2026 Finals Board-2 📈 WorlCup-2026 Finals Board-3 📈 WorlCup-2026 Finals Board-4
▶ Tournaments
▶ Blitz(3m + 2s)
▶ Testing
▶ Gauntlet
Critter 1.6a x64(Blitz)
▶ Round-Robin
Testing Reckless 0.9.0(AVX2) Dev2
▶ Blitz-Bullet
▶ Testing
▶ Gauntlet
Stockfish 17.1 x64(AVX2) Stockfish 15.1 x64(BMI2) 📈 Testing Houdini 6(Handicap)
Shredder 12 x64 Critter 1.6a
▶ Round-Robin
📈 Testing Multi Timecontrol(2026.01)
Blitz & Bullet Challenge
▶ Ultra-Bullet(9s+0.1s)
▶ Testing
▶ Gauntlet
▶ Stockfish
📈 Stockfish 18 x64(AVX2-5Pct)
Stockfish 17.1 x64(AVX2-5Pct) Stockfish 17-w10 x64(AVX2-5Pct) Stockfish 17-w11 x64(AVX2-5Pct) Stockfish 16.1 x64(AVX2-5Pct)
▶ Reckless
Reckless 0.9.0 x64(AVX2-5Pct) Reckless 0.8.0 x64(AVX2-5Pct) Reckless 0.7.0 x64(AVX2-5Pct) Reckless 0.5.0 x64(AVX2-5Pct) Reckless 0.3.0 x64(5Pct)
▶ Alexandria
Alexandria 9.0.0 x64(BMI2-5Pct) Alexandria 8.1.12(BMI2-5Pct) Alexandria 8.0.0 x64(BMI2-5Pct) Alexandria 7.0.0 x64(BMI2-5Pct)
▶ Obsidian
Obsidian 15.0 x64(BMI2-5Pct) Obsidian 16.0 x64(BMI2-5Pct)
▶ Viridithas
Viridithas 15.0.0 x64(AVX2-5Pct) Viridithas 17.0.0 x64(AVX2-5Pct)
▶ Cinder
Cinder 0.2.0 x64(AVX-5Pct) Cinder 0.4.1 x64(AVX-5Pct)
Arasan 25.1 x64(BMI2-5Pct) Caissa 1.22 x64(BMI2-5Pct) Calvin 6.1.0 x64(5Pct) Halogen 16.0 x64(BMI2-5Pct) Pawnocchio 1.7 x64(AVX2-5Pct) PlentyChess 7.0.0 x64(BMI2-5Pct) Renegade 1.2.0 x64(BMI2-5Pct) Quanticade 2.0o x64(BMI2-5Pct) Sapling 1.2.7 x64(5Pct) Schneckbert 3.0 x64(AVX2-5Pct) Stormphrax 7.0.0 x64(BMI2-5Pct) Tarnished 5.0 x64(AVX2-5Pct) Turbulence 0.0.6 x64(AVX2-5Pct)
▶ Round-Robin
The Undertested(2024.09) New Engines 2025.03 Precision Series New Versions-2023.06(5Pct) Testing Titans-(Winter-2024) Testing Top 36 Engines Testing Reckless 0.9.0(AVX2) Dev2
▶ Seasons
First Season Second Season Third Season Fourth Season
▶ World Cup
▶ Winter 2026
📈 Winter 2026 - Chess Engine Team Championship
📈 Participants WC-w2026
▶ USA-Qualify
📈 USA Final
📈 USA Stage-2
📈 USA Stage-1
▶ Qualify
📈 Italy
📈 Germany
📈 United Kingdom
📈 Russia
📈 Brazil
📈 Canada
📈 Sweden
📈 Turkey
📈 Northern Europe
▶ Final
📈 Finals Board-1(Technical Specifications) 📈 Qualify Board-1(Standings) 📈 Qualify Board-2 📈 Qualify Board-3 📈 Qualify Board-4 📈 Finals Board-1 📈 Finals Board-2 📈 Finals Board-3 📈 Finals Board-4
▶ Ultra-Bullet(2s+0.1s)
▶ Testing
▶ Gauntlet
▶ Stockfish
📈 Stockfish 18 x64(AVX2-1Pct)
▶ Reckless
Reckless 0.9.0d2 x64(AVX2-1Pct) Reckless 0.9.0d x64(AVX2-1Pct)
▶ Cinder
Cinder 0.3.1 x64(AVX2-1Pct) Cinder 0.4.1 x64(AVX2-1Pct)
▶ Tcheran
Tcheran 10.0 x64(AVX2-1Pct) Tcheran 8.0 x64(AVX2-1Pct) Tcheran 7.0 x64(AVX2-1Pct)
▶ Grail
Grail 1.0.4 x64(1Pct) Grail 1.0.3 x64(1Pct)
PlentyChess 7.0.0 x64(BMI2-1Pct) Pawnocchio 1.9 x64(AVX2-1Pct) Caissa 1.24 x64(BMI2-1Pct) Viridithas 19.0.1 x64(AVX2-1Pct) Houdini 5.01 x64(1Pct)
▶ Seasons
Participants:

Stockfish, Reckless, PlentyChess, Alexandria, Caissa, Obsidian, Berserk, Komodo Dragon, RubiChess, Viridithas, Clover, Starzix, Motor, Pawnocchio, Cinder, Koivisto & more.

Project Lead: Agron Kovaci
Contact Lab
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