CHESS BENCHMARK · LOCAL, NO THINKING

Ministral 3 8B

Mistral · open weights · released 2025-12-02 · route ministral-3:8b-instruct-2512-q4_K_M · Model profile

Opening gap: +0 (95%: -813 to +813). The interval includes zero, so we can't yet say whether it performs differently across the variants.

Standard

Rating
33295%: -243 to 907
Record
0 won, 0 drawn, 3 lost of 3
Accuracy (open positions)
73.9
Accuracy (all moves)
73.8
Average centipawn loss
170
Blunders / mistakes / inaccuracies per 100 moves
23.7 / 7.9 / 13.2
Matched Stockfish's first choice
26%
In Stockfish's top three
47%
Legal on the first try
75.0%
Illegal / invalid
14 of 52 answers
Forfeits
2
Adjudicated games
0
API-equivalent cost per game
n/a
API-equivalent cost per move
n/a
Seconds per move
16.7
Model minutes per game
3.7
Tokens per move (in / out)
333 / 29
Reasoning tokens per move
n/a
Aborted on our side (not counted)
0

By phase

PhaseMovesAccuracyCentipawn lossBlunders /100Engine match
Opening2976.611220.731%
Middlegame954.035633.311%
Endgame0n/an/an/an/a

Chess960

Rating
33295%: -243 to 907
Record
0 won, 0 drawn, 3 lost of 3
Accuracy (open positions)
76.0
Accuracy (all moves)
76.0
Average centipawn loss
81
Blunders / mistakes / inaccuracies per 100 moves
13.3 / 13.3 / 33.3
Matched Stockfish's first choice
13%
In Stockfish's top three
20%
Legal on the first try
38.9%
Illegal / invalid
23 of 38 answers
Forfeits
3
Adjudicated games
0
API-equivalent cost per game
n/a
API-equivalent cost per move
n/a
Seconds per move
20.3
Model minutes per game
2.0
Tokens per move (in / out)
603 / 22
Reasoning tokens per move
n/a
Aborted on our side (not counted)
0

By phase

PhaseMovesAccuracyCentipawn lossBlunders /100Engine match
Opening1576.08113.313%
Middlegame0n/an/an/an/a
Endgame0n/an/an/an/a

Games