Scouting report: Jan Werle (GM, NED)

1,363 over-the-board games in the Chess Stalker database (1,361 classical, 2 rapid): 42% wins, 36% draws, 23% losses. FIDE rating 2540 standard, 2523 rapid. 102 games analyzed with Stockfish: 94% accuracy, 0.02 blunders per game.

  • Opening repertoire of Jan Werle 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 Werle's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1006088 — no account needed.

Chess Stalker

Jan Werle

GM

Netherlandsborn 1984FIDE ID 1006088

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2500
2540
2580
2550 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2540
2523
2607peak, Jan 2009
1,363games
567wins, 42%
486draws, 36%
310losses, 23%

Play style

before facing them
Elite accuracy: 93.8% average
Solid conversion: 85%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 as ♔ (65% in 281 games)

Play against Werle's Twin

Their real openings, level & style

Based on 1,363 games

Openings

1,363 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Sicilian: d6 Systems1.e4 c5 2.♞f3 d616 games, last played last year68.8%wins
Benoni1.d4 ♞f6 2.c4 c512 games, last played 10 years ago66.7%wins

Deep analysis

Stockfish · Classical · 102 analyzed
Accuracy by phase
Opening
96.5%
Middlegame
94.2%
Endgame
95.8%
Clutch factor
+5%
Winning (+2)
95%
Equal
95%
Losing (−2)
90%
Problematic pieces
19%
14 err
19%
14 err
18%
13 err
18%
13 err
15%
11 err
10%
7 err
Critical moment
Move 28 avg
50%
1-15
0%
16-25
0%
26-35
0%
36-45
50%
46+
50% of blunders occur after move 1-15. Keep tension until then.
Error heatmap · Critical squares
4
4
Few
Many
b4
4
g5
4
a5
3
d3
3
e4
3
b4/g5 concentrate most errors. Force decisions in those zones.

Critical blunders

some recent costly mistakes
Fridman, Daniel(2588)

Move 9 · Opening · OTB · 2024

−16.0d1??
Martens, Martin(2315)

Move 59 · Endgame · OTB · 2024

−3.9g5+??
Johansson, Linus(2476)

Move 26 · Middlegame · OTB · 2021

−2.8e5??
Beerdsen, Thomas(2472)

Move 39 · Endgame · OTB · 2019

−2.6g3+??
Kriebel, Tadeas(2531)

Move 30 · Middlegame · Classical · 2019

−2.4a3??
Kriebel, Tadeas(2531)

Move 22 · Middlegame · Rapid · 2019

−3.8ce4??
Sokolov, Ivan(2584)

Move 41 · Endgame · OTB · 2019

−3.1e4??
Szeberenyi, Adam(2391)

Move 48 · Endgame · OTB · 2019

−10.8xg4??
Giri, Anish(2585)

Move 36 · Endgame · OTB · 2009

−2.9h5??
Carlsen, Magnus(2484)

Move 24 · Middlegame · OTB · 2004

−3.4f8??

Recent games

Beerdsen, Thomas(2511)

Belgian Team Championship 2024-2... · 30 Mar 2025

1–0
Kokje, Joris(2286)

Dutch Meesterklasse 2024-2025 · 8 Mar 2025

½–½
Nikolic, Predrag(2538)

Dutch Meesterklasse 2024-2025 · 8 Feb 2025

½–½
Eugene, Floryan(2460)

Belgian Team Championship 2024-2... · 26 Jan 2025

1–0
Rijnaarts, Sjef(2291)

Dutch Meesterklasse 2024-2025 · 14 Dec 2024

1–0
Braun, Christian(2400)

Dutch Meesterklasse 2024-2025 · 21 Sept 2024

1–0

Endgame statistics

Repertoire

PRO
1,363 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
691 games46%W36%D18%L
Move
1. d4
2812y
44%42%14
65%
1. ♞f3
2682y
49%31%20
64%
1. e4
13518y
47%35%18
65%
1. c4
617y
33%1750%
42%
1. b4
122y
100%
50%

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