GM

Danielsen, Henrik

ISL ISL·Born 1966·FIDE #1400185·1,858 Games

Classical24661,833 Games
Rapid252814 Games
Blitz247311 Games

Statistics

1858

Total

892

Wins

594

Draws

372

Losses

48%32%20%

Play Style

What you need to know before facing them

Elite accuracy: 94.2% average
High resilience (65%): Dangerous even when losing
Solid conversion: 91%
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (81% in 95 games)

Deep Analysis

Stockfish 18 · Classical games · 138 analyzed

Accuracy by phase
Opening95.3%
Middlegame94.4%
Endgame96.2%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)95%
81 Games
Equal position95%
38 Games
Losing (-2 or more)91%
19 Games

Problematic Pieces

Which pieces cause most errors?

♕
23%
20 errors
♖
23%
20 errors
♞
22%
19 errors
♗
16%
14 errors
♙
14%
12 errors
♔
3%
3 errors

Critical Moment

When does the first serious error occur?

Move 46average
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

3
4
3
4
5
4
4
5
3
4
abcdefgh
Many
Few
Critical squares
e55 err
g45 err
c54 err
d24 err
d44 err
e5/g4 concentrate most errors. Force decisions in those zones.

Recent Games

W
Thorarinsson, Pall A.2159

Icelandic team chess cham... · 8 Mar 2026

1-0
W
Johannsson, Birkir Isak2260

Icelandic team chess cham... · 7 Mar 2026

0-1
D
Ragnarsson, Dagur2376

Icelandic team chess cham... · 7 Mar 2026

½-½
L
Gretarsson, Helgi Ass2414

Icelandic team chess cham... · 6 Mar 2026

1-0
L
Williams, Simon K2443

Icelandic team chess cham... · 5 Mar 2026

0-1
W
Johannsson, Orn Leo2297

Icelandic team chess cham... · 4 Dec 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
Petroff Defense
66.7%
12 Games·Loses

1.e4 e5 2.Nf3 Nf6

Strengths

AVOID
White
1.g3 Nf6 2.Bg2 d5
80.0%
15 Games·Wins

1.g3 Nf6 2.Bg2 d5

1.g3 Nf6 2.Bg2 g6
66.7%
12 Games·Wins

1.g3 Nf6 2.Bg2 g6

Black
Sicilian: 2...Nc6
79.2%
24 Games·Wins

1.e4 c5 2.Nf3 Nc6

Catalan
60.0%
10 Games·Wins

1.d4 Nf6 2.c4 e6 3.g3

Critical Blunders

Tactical errors analyzed with Stockfish

8 errors
▶
#17Rd2??
Tactics
vs Thorfinnsson
OTB·2025
▶
#31Nf7??
Tactics
vs Birkisson
OTB·2024
▶
#22Ng4??
Tactics
vs Kjartansson
OTB·2023
▶
#51g6??
Endgame
vs Albadri Sattar
OTB·2022
▶
#40Qxg4??
Tactics
vs Ramsdal
OTB·2020
▶
#52Rf7??
Endgame
vs Nilssen
OTB·2020
▶
#21Ne5??
Tactics
vs Moller
OTB·2020
▶
#25Qh5??
Tactics
vs Olsen
OTB·2019
Endgame Statistics

21 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
926 Games
54%29%17%
1.d4
67%
238
1.Nf3
68%
225
1.g3
68%
148
1.f4
67%
109
1.c4
68%
101
1.e4
81%
95
1.d3
50%
4
1.c3
83%
3
1.b3
25%
2
1.e3
100%
1
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