GM

Gustafsson, Jan

GER GER·Born 1979·FIDE #4625498·2,364 Games

Classical25802,277 Games
Rapid264126 Games
Blitz251961 Games

Statistics

2364

Total

1073

Wins

878

Draws

413

Losses

45%37%17%

Play Style

What you need to know before facing them

Elite accuracy: 93.1% average
Very consistent (84%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (82% in 14 games)

Deep Analysis

Stockfish 18 · Classical games · 121 analyzed

Accuracy by phase
Opening96.5%
Middlegame93.8%
Endgame95.1%

Clutch Factor

Performance under pressure

+7%
Winning (+2 or more)94%
46 Games
Equal position95%
53 Games
Losing (-2 or more)87%
22 Games

Problematic Pieces

Which pieces cause most errors?

♖
24%
22 errors
♙
21%
19 errors
♗
20%
18 errors
♕
15%
14 errors
♔
11%
10 errors
♞
9%
8 errors

Critical Moment

When does the first serious error occur?

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

Error Heatmap

Where do most errors occur?

5
4
4
4
3
3
3
3
3
4
abcdefgh
Many
Few
Critical squares
e55 err
c14 err
e44 err
f44 err
f54 err
e5/c1 concentrate most errors. Force decisions in those zones.

Recent Games

L
Lymar, Vladislav2302

Titled Tue 26th May 2026 · 26 May 2026

1-0
L
Xiong, Jeffery2656

Titled Tue 26th May 2026 · 26 May 2026

1-0
D
Gontcharov, Vladislav2421

Titled Tue 26th May 2026 · 26 May 2026

½-½
W
Kashlinskaya, Alina2474

Titled Tue 26th May 2026 · 26 May 2026

1-0
W
Ocampos, Ian2240

Titled Tue 26th May 2026 · 26 May 2026

0-1
W
Bondalapati, Sri Vibhav2151

Titled Tue 26th May 2026 · 26 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
English vs 1...e5
55.6%
9 GamesLow sample·Loses

1.c4 e5 2.Nc3 Bb4

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
English: Anglo-Indian
61.5%
13 Games·Wins

1.c4 Nf6 2.Nc3 g6

Nimzo-Indian: Rubinstein
58.3%
24 Games·Wins

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

Black
Queen's Gambit Declined
58.8%
34 Games·Wins

1.d4 d5 2.c4 e6

Sicilian: d6 Systems
53.8%
39 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#38c4??
Endgame
vs Kanakaris
OTB·2024
▶
#51Rh4??
Endgame
vs Burg
OTB·2024
▶
#29g5??
Tactics
vs Poh
OTB·2022
▶
#26Rad8??
Tactics
vs Supi
OTB·2020
▶
#42Qc7??
Endgame
vs Supi
OTB·2020
▶
#32Ne2??
Tactics
vs Supi
OTB·2020
▶
#9Nbd7??
Tactics
vs Kopylov
OTB·2019
▶
#45Qg6??
Endgame
vs Voege
OTB·2019
▶
#56b7??
Endgame
vs Stein
OTB·2019
▶
#51Re1??
Endgame
vs Zelbel
OTB·2019
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
1193 Games
51%34%15%
1.d4
69%
699
1.Nf3
67%
326
1.c4
67%
152
1.e4
82%
14
1.g3
100%
2
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