ChessBench
51
models
150
Lichess puzzles
5
puzzle types
Methodology
Star on GitHub
Puzzle Browser
Leaderboard
Puzzle 1
Mate 1
800-1200
Black to move and find checkmate in 1 move.
Last move
d2c3
Expected
Correct
Expected
Qc2#
g2c2
Model
Qc2#
g2c2
Prompt
476
Completion
726
Latency
3447ms
Raw Output
g2c2
Thinking (528 chars)
View on Lichess