Scouting report: Jan Klimkowski (GM, POL)

1,429 over-the-board games in the Chess Stalker database (1,316 classical, 60 rapid, 53 blitz): 49% wins, 23% draws, 28% losses. FIDE rating 2501 standard, 2408 rapid, 2450 blitz. 588 games analyzed with Stockfish: 93% accuracy, 0.1 blunders per game.

  • Opening repertoire of Jan Klimkowski as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Jan Klimkowski's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/21856222 — no account needed.

Chess Stalker

Jan Klimkowski

GM

Polandborn 2007FIDE ID 21856222

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2250
2350
2450
2550
Peak2532
2506 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2501
2447
2408
2532peak, Mar 2024
1,429games
703wins, 49%
324draws, 23%
401losses, 28%

Play style

before facing them
Elite accuracy: 93.3% average
Solid conversion: 82%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 as ♔ (74% in 60 games)

Play against Klimkowski's Twin

Their real openings, level & style

Based on 1,429 games

Openings

1,429 games

Weaknesses

where they slip as ♔ White
Ruy Lopez: Marshall1.e4 e5 2.♞f3 ♞c6 3.♝b5 a6 4.♝a4 ♞f6 5.O-O b5only 9 games, last played 2 years ago55.6%losses
Caro-Kann: Panov-Botvinnik1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c415 games, last played 5 years ago53.3%losses

Strengths

what holds up for them as ♔ White
King's Indian1.d4 ♞f6 2.c4 g618 games, last played 6 months ago72.2%wins
Slav Defense1.d4 d5 2.c4 c619 games, last played 6 months ago68.4%wins

Deep analysis

Stockfish · Classical · 588 analyzed
Accuracy by phase
Opening
96.8%
Middlegame
93.2%
Endgame
95.0%
Clutch factor
+5%
Winning (+2)
94%
Equal
94%
Losing (−2)
89%
Problematic pieces
22%
112 err
20%
98 err
17%
86 err
17%
85 err
12%
61 err
12%
59 err
Critical moment
Move 43 avg
5%
1-15
16%
16-25
19%
26-35
19%
36-45
41%
46+
41% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
16
20
16
18
16
Few
Many
e5
20
f4
18
d6
16
e3
16
g5
16
e5/f4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#25
♜h3?? vs Carlsen
Middlegame · OTB · 2026
#41
♚h1?? vs Caruana
Endgame · OTB · 2026
#53
♜cc8?? vs Nakamura
Endgame · OTB · 2026
#15
♛b7?? vs Liu
Middlegame · OTB · 2026
#12
h3?? vs Hakobyan
Opening · OTB · 2026
#39
♝f3?? vs Otero Marino
Endgame · OTB · 2026

Recent games

Bassini, Emile(2418)

41st Ezkerraldea Open · 13 Sept 2026

1–0
Garcia Blanco, Omar(2375)

41st Ezkerraldea Open · 10 Sept 2026

½–½
Engel, Bruno(2384)

41st Ezkerraldea Open · 9 Sept 2026

½–½
Xiong, Jeffery(2656)

1st 3-0 Thursday · 3 Sept 2026

0–1
Stanojevic, Ilija(2256)

1st 3-0 Thursday · 3 Sept 2026

1–0
Szpar, Milosz(2507)

1st 3-0 Thursday · 3 Sept 2026

1–0

Endgame statistics

Repertoire

PRO
1,429 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
722 games53%W21%D26%L
Move
1. e4
4531w
47%2429%
59%
1. d4
1544m
62%1523
69%
1. ♞f3
602w
65%1817
74%
1. c4
445m
68%1616
76%
1. g3
52y
80%20
80%
1. b3
52y
60%2020
70%
1. g4
13y
100%
100%

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