C
GM

Cornette, Matthieu

FRA FRA·Born 1985·FIDE #620084·2,091 Games

Classical25441,986 Games
Rapid254974 Games
Blitz247131 Games

Play against Cornette, Matthieu's Twin

PRO

Uses their openings, level & style

Statistics

Total

2091

Wins

913

Draws

778

Losses

399
44%37%19%

Play Style

What you need to know before facing them
Elite accuracy: 94.1% average
High resilience (59%): Dangerous even when losing
Solid conversion: 86%
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.Nc3 ♔ (69% in 26 games)
Vulnerable to 1.g3 ♚ (only 40%)

Deep Analysis

Stockfish 18 · Classical games · 345 analyzed
Accuracy by phase
Opening
96.7%
Middlegame
94.0%
Endgame
95.1%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+6%
Winning (+2 or more)
95%133g
Equal position
95%153g
Losing (-2 or more)
89%59g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
21%
51 errors
19%
46 errors
17%
40 errors
17%
40 errors
16%
37 errors
10%
24 errors
Critical Moment — When does the first serious error occur?
Move 36 average
8%
31%
15%
31%
15%
1-15
16-25
26-35
36-45
46+
31% of blunders occur between move 16-25. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
8
8
8
7
7
7
7
7
Few
Many
Critical squares
c6
8 err
d5
8 err
e7
8 err
c4
7 err
d1
7 err
c6/d5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines
White44.4%Loses
Slav: Semi-Slav — 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3
9 Games · Low sample · last played 12 years agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines
White63.6%Wins
Sicilian: Najdorf — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a622 Games · last played last year
White58.7%Wins
Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a646 Games · last played 3 months ago
Black63.6%Wins
French: Classical — 1.e4 e6 2.d4 d5 3.Nc3 Nf611 Games · last played 2 months ago
Black60.0%Wins
Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d410 Games · last played 8 months ago

Critical Blunders

10 errors · Stockfish
Ke1??vs NegreOTB · 2026
Qg4+??vs MartirosyanOTB · 2026
Rd1??vs SongOTB · 2026
Ne8??vs IvicOTB · 2025
Kh7??vs SolodovnichenkoRapid · 2025
Nc4??vs GatineauRapid · 2025
Re8??vs GschnitzerOTB · 2024
g4??vs StanojevicOTB · 2024
Qxc6??vs Martinez AlcantaraOTB · 2024
Kh8??vs NepomniachtchiOTB · 2024

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D
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Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
1043 Games
51%32%17%
MoveGamesPerformance%
1.e4
718
68%
1.d4
178
64%
1.Nf3
66
69%
1.c4
53
62%
1.Nc3
26
69%
1.b3
1
50%
1.g3Strong
1
100%

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