GM

Timman, Jan H

NED NED·Born 1951·FIDE #1000012·4,667 Games

Classical25274,468 Games
Rapid2472127 Games
Blitz250172 Games

Statistics

4667

Total

1677

Wins

1998

Draws

992

Losses

36%43%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.2% average
Solid conversion: 89%
Very consistent (85%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (65% in 215 games)

Deep Analysis

Stockfish 18 · Classical games · 712 analyzed

Accuracy by phase
Opening96.7%
Middlegame94.0%
Endgame95.3%

Clutch Factor

Performance under pressure

+3%
Winning (+2 or more)93%
92 Games
Equal position95%
272 Games
Losing (-2 or more)90%
136 Games

Problematic Pieces

Which pieces cause most errors?

22%
188 errors
22%
190 errors
17%
147 errors
14%
122 errors
13%
112 errors
10%
87 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 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

28
32
24
33
30
29
26
23
22
24
abcdefgh
Many
Few
Critical squares
d533 err
f632 err
e530 err
f529 err
d728 err
d5/f6 concentrate most errors. Force decisions in those zones.

Recent Games

D
L'Ami, Erwin2635

Dutch Championship 2024 |... · 7 Jul 2024

½-½
L
L'Ami, Erwin2635

Dutch Championship 2024 |... · 7 Jul 2024

0-1
D
L'Ami, Erwin2635

Dutch Championship 2024 |... · 7 Jul 2024

½-½
D
L'Ami, Erwin2635

Dutch Championship 2024 |... · 6 Jul 2024

½-½
W
Darie, Aden1868

FishPartners Open 2024 · 29 Jun 2024

1-0
W
Janse,JJ2106

FishPartners Open 2024 · 29 Jun 2024

0-1

Openings

Based on player games

Weaknesses

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

1.e4 c6 2.d4 d5 3.e5

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
French: Tarrasch
64.7%
34 Games·Wins

1.e4 e6 2.d4 d5 3.Nd2

QGD: Orthodox
62.5%
16 Games·Wins

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5

Black
English vs 1...e5
56.3%
16 Games·Wins

1.c4 e5 2.Nc3 Bb4

Sicilian: Closed
50.0%
14 Games·Wins

1.e4 c5 2.Nc3 Nc6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
#35Kg7??
Tactics
vs Dgebuadze
OTB·2024
#22Bxa3??
Tactics
vs Mijnheer
OTB·2023
#23Bxe5??
Tactics
vs Pewatronic
OTB·2022
#58b5??
Endgame
vs Reinderman
Rapid·2019
#30h6??
Tactics
vs Storme
OTB·2019
#15Qa3??
Tactics
vs Thaler
OTB·2019
#26h6??
Tactics
vs Olsson
OTB·2019
#35e2??
Tactics
vs Percivaldi
OTB·2019
#41Qf6+??
Endgame
vs Soraas
OTB·2019
#20Ne3??
Tactics
vs Reichardt
OTB·2019
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2024
2023
2022
2020
2019
2018
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
2372 Games
42%42%16%
1.e4
63%
1057
1.d4
61%
800
1.c4
65%
285
1.Nf3
65%
215
1.g3
64%
7
1.b3
75%
6
1.c3
50%
1
1.f4
50%
1
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