D
GM

Demuth, Adrien

SUI SUI·Born 1991·FIDE #642274·1,443 Games

Classical25181,332 Games
Rapid246546 Games
Blitz246687 Games

Play against Demuth, Adrien's Twin

PRO

Uses their openings, level & style

Statistics

Total

1443

Wins

573

Draws

628

Losses

242
40%44%17%

Play Style

What you need to know before facing them
Elite accuracy: 94.2% average
High resilience (56%): Dangerous even when losing
Solid conversion: 88%
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 ♔ (72% in 260 games)

Deep Analysis

Stockfish 18 · Classical games · 285 analyzed
Accuracy by phase
Opening
95.9%
Middlegame
93.8%
Endgame
95.7%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+4%
Winning (+2 or more)
95%110g
Equal position
95%134g
Losing (-2 or more)
90%41g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
21%
37 errors
19%
34 errors
18%
33 errors
18%
33 errors
15%
26 errors
9%
16 errors
Critical Moment — When does the first serious error occur?
Move 42 average
0%
0%
38%
25%
38%
1-15
16-25
26-35
36-45
46+
38% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
10
Few
Many
Critical squares
e5
10 err
d5
7 err
f3
7 err
f4
7 err
f5
7 err
e5/d5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines
White64.7%Wins
Reti: Double Fianchetto — 1.Nf3 Nf6 2.g3 g617 Games · last played 2 years ago
White57.9%Wins
Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g619 Games · last played 2 months ago
Black58.3%Wins
Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d412 Games · last played 9 years ago
Black45.5%Wins
Ruy Lopez: Steinitz Deferred — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d611 Games · last played 4 years ago

Critical Blunders

10 errors · Stockfish
Rc6??vs MaghsoodlooOTB · 2026
Re8??vs DubkovOTB · 2026
Kb7??vs BujupiBlitz · 2025
Rad7??vs AlmeidaBlitz · 2025
f4??vs PlatBlitz · 2025
Nxc6??vs HeregaBlitz · 2025
Re8??vs StojanovicOTB · 2025
hxg4??vs GinsburgOTB · 2025
Rbd8??vs EdouardOTB · 2024
f3??vs FellerOTB · 2022

Recent Games

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1-0
D
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½-½
D
Sokolov,And1(2446)

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½-½
D
Lagarde, Maxime(2615)

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½-½
D
Girel, Joseph(2492)

TCh-FRA Top 16 Haute 2026 · 11 Jun 2026

½-½
D
Fridman, Daniel(2560)

TCh-FRA Top 16 GpB 2026 · 10 Jun 2026

½-½

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
752 Games
44%43%13%
MoveGamesPerformance%
1.d4
375
61%
1.Nf3Strong
260
72%
1.c4
75
64%
1.e4
20
70%
1.g3
10
65%
1.f4Strong
9
78%
1.b3Strong
3
100%

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