GM

Klimkowski, Jan

POL POL·Born 2007·FIDE #21856222·1,588 Games

Classical25141,444 Games
Rapid241474 Games
Blitz246370 Games

Statistics

1588

Total

749

Wins

401

Draws

437

Losses

47%25%28%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average
Solid conversion: 82%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (74% in 45 games)

Deep Analysis

Stockfish 18 · Classical games · 546 analyzed

Accuracy by phase
Opening96.8%
Middlegame93.3%
Endgame95.0%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)94%
214 Games
Equal position94%
197 Games
Losing (-2 or more)89%
89 Games

Problematic Pieces

Which pieces cause most errors?

23%
106 errors
19%
87 errors
17%
76 errors
16%
74 errors
13%
58 errors
11%
52 errors

Critical Moment

When does the first serious error occur?

Move 44average
1-15
16-25
26-35
36-45
46+
41% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

15
13
16
11
12
17
12
11
14
12
abcdefgh
Many
Few
Critical squares
f417 err
e516 err
f615 err
f314 err
c513 err
f4/e5 concentrate most errors. Force decisions in those zones.

Recent Games

L
Meirkhanuly, Akylzhan2265

1st 3-0 Thu 14th May 2026 · 14 May 2026

0-1
L
Nivedita V C2053

Titled Tue 12th May 2026 · 12 May 2026

1-0
D
Schoppen, Casper2588

26th ch-EUR Indiv 2026 · 19 Apr 2026

½-½
D
Iturrizaga Bonelli, Eduardo2575

26th ch-EUR Indiv 2026 · 18 Apr 2026

½-½
W
Yuffa, Daniil2595

26th ch-EUR Indiv 2026 · 16 Apr 2026

0-1
W
Borrmann, Laurenz2391

26th ch-EUR Indiv 2026 · 15 Apr 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Caro-Kann: Panov-Botvinnik
53.3%
15 Games·Loses

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

Ruy Lopez: Marshall
50.0%
10 Games·Loses

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Slav Defense
69.6%
23 Games·Wins

1.d4 d5 2.c4 c6

Italian: Two Knights
63.6%
11 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6

Black
Nimzo-Indian: Classical
70.0%
10 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Catalan
50.0%
10 Games·Wins

1.d4 Nf6 2.c4 e6 3.g3

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
#25Rf2??
Tactics
vs Pranav Anand
OTB·2026
#15Qb7??
Tactics
vs Liu
OTB·2026
#39Bf3??
Tactics
vs Otero Marino
OTB·2026
#12h3??
Tactics
vs Hakobyan
OTB·2026
#44Nf6??
Endgame
vs Maghsoodloo
OTB·2026
#76Kg5??
Endgame
vs Yildiz
OTB·2026
#61f5??
Endgame
vs Van Foreest
OTB·2025
#38Ra3+??
Endgame
vs Pechac
OTB·2025
#25fxe5??
Tactics
vs Janzelj
OTB·2025
#47Rb1??
Endgame
vs Kruhlik
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
803 Games
52%23%25%
1.e4
59%
504
1.d4
68%
194
1.c4
74%
49
1.Nf3
74%
45
1.b3
70%
5
1.g3
80%
5
1.g4
100%
1
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