GM

Bjerre, Jonas Buhl

DEN DEN·Born 2004·FIDE #1444948·2,272 Games

Classical26232,061 Games
Rapid2580130 Games
Blitz2494142 Games

Statistics

2272

Total

1059

Wins

640

Draws

570

Losses

47%28%25%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average
Solid conversion: 94%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (83% in 18 games)

Deep Analysis

Stockfish 18 · Classical games · 727 analyzed

Accuracy by phase
Opening97.0%
Middlegame93.6%
Endgame95.0%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)95%
207 Games
Equal position95%
189 Games
Losing (-2 or more)90%
104 Games

Problematic Pieces

Which pieces cause most errors?

♖
24%
93 errors
♕
20%
78 errors
♙
18%
70 errors
♞
16%
63 errors
♗
13%
51 errors
♔
10%
40 errors

Critical Moment

When does the first serious error occur?

Move 41average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

11
11
14
20
11
18
10
11
12
10
abcdefgh
Many
Few
Critical squares
e520 err
e418 err
d514 err
e312 err
b611 err
e5/e4 concentrate most errors. Force decisions in those zones.

Recent Games

W
Janik, Igor2504

26th ch-EUR Indiv 2026 · 13 Apr 2026

1-0
D
Brunello, Sabino2516

26th ch-EUR Indiv 2026 · 12 Apr 2026

½-½
D
Malek,Jan2533

26th ch-EUR Indiv 2026 · 10 Apr 2026

½-½
W
Cieslak, Patryk2495

26th ch-EUR Indiv 2026 · 9 Apr 2026

1-0
W
Johansson, Linus2425

26th ch-EUR Indiv 2026 · 8 Apr 2026

0-1
W
Niezhentsev, Kyrylo2293

26th ch-EUR Indiv 2026 · 7 Apr 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Caro-Kann: Exchange
50.0%
16 Games·Loses

1.e4 c6 2.d4 d5 3.exd5

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
King's Indian: Classical
73.7%
19 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5

King's Indian: Main Line
70.0%
20 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

Black
Sicilian: Najdorf
49.1%
114 Games·Wins

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

Nimzo-Indian: Rubinstein
47.9%
48 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#65Ra2+??
Endgame
vs Piliposyan
Blitz·2025
▶
#38Qb4??
Tactics
vs Iniyan
Blitz·2025
▶
#85Rh8+??
Endgame
vs Svane
Blitz·2025
▶
#46Nb7??
Endgame
vs Amar
Blitz·2025
▶
#12Ne4??
Tactics
vs Smirnov
Blitz·2025
▶
#37h4??
Tactics
vs Mamedyarov
Blitz·2025
▶
#27Ra7??
Tactics
vs Altini
Blitz·2025
▶
#35Rd7??
Tactics
vs AlJamaat
Blitz·2025
▶
#73Kxa3??
Endgame
vs Piliposyan
Blitz·2025
▶
#53Qe8??
Endgame
vs Zhauynbay Aldiyar
OTB·2025
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
1142 Games
51%27%22%
1.e4
63%
819
1.d4
71%
213
1.Nf3
68%
90
1.c4
83%
18
1.g3
100%
1
1.Nc3
50%
1
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