GM

Cornette, Matthieu

FRA FRA·Born 1985·FIDE #620084·2,063 Games

Classical25461,968 Games
Rapid254464 Games
Blitz247131 Games

Statistics

2063

Total

902

Wins

764

Draws

396

Losses

44%37%19%

Play Style

What you need to know before facing them

Elite accuracy: 94.0% 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 · 324 analyzed

Accuracy by phase
Opening96.7%
Middlegame94.0%
Endgame94.9%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
129 Games
Equal position95%
141 Games
Losing (-2 or more)89%
54 Games

Problematic Pieces

Which pieces cause most errors?

♖
22%
48 errors
♞
19%
41 errors
♙
17%
38 errors
♕
17%
38 errors
♗
15%
32 errors
♔
10%
22 errors

Critical Moment

When does the first serious error occur?

Move 37average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

8
6
6
6
7
7
7
6
6
6
abcdefgh
Many
Few
Critical squares
e78 err
c47 err
d57 err
g47 err
b66 err
e7/c4 concentrate most errors. Force decisions in those zones.

Recent Games

W
Ragnarsson, Dagur2363

Reykjavik Open 2026 · 31 Mar 2026

1-0
D
Deac, Bogdan-Daniel2655

Reykjavik Open 2026 · 30 Mar 2026

½-½
W
Agmanov, Zhandos2463

Reykjavik Open 2026 · 29 Mar 2026

1-0
D
Magold, Filip2484

Reykjavik Open 2026 · 28 Mar 2026

½-½
W
Belkaid, Sohan2379

Reykjavik Open 2026 · 28 Mar 2026

1-0
D
Manish Anto Cristiano F2384

Reykjavik Open 2026 · 27 Mar 2026

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Slav: Semi-Slav
44.4%
9 GamesLow sample·Loses

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Ruy Lopez: Morphy
60.0%
45 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

Sicilian: d6 Systems
55.1%
78 Games·Wins

1.e4 c5 2.Nf3 d6

Black
French: Classical
63.6%
11 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Nf6

Scotch Game
60.0%
10 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.d4

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#21Ne8??
Tactics
vs Ivic
OTB·2025
▶
#23Nc4??
Tactics
vs Gatineau
Rapid·2025
▶
#41Kh7??
Endgame
vs Solodovnichenko
Rapid·2025
▶
#80Re8??
Endgame
vs Gschnitzer
OTB·2024
▶
#44g4??
Endgame
vs Stanojevic
OTB·2024
▶
#39Qf7??
Tactics
vs Fressinet
OTB·2024
▶
#22Rg1??
Tactics
vs Degraeve
OTB·2024
▶
#52Kc6??
Endgame
vs Bailet
OTB·2024
▶
#28Bd3??
Tactics
vs McCarthy
OTB·2023
▶
#24Rxe5??
Tactics
vs Mardov
OTB·2023
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
1029 Games
51%32%17%
1.e4
68%
707
1.d4
64%
175
1.Nf3
69%
66
1.c4
62%
53
1.Nc3
69%
26
1.b3
50%
1
1.g3
100%
1
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