Scouting report: Coen Zuidema (IM, NED)

461 over-the-board games in the Chess Stalker database (461 classical): 31% wins, 42% draws, 27% losses. FIDE rating 2450 standard. 16 games analyzed with Stockfish: 94% accuracy, 0 blunders per game.

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

Full report: https://chessstalker.com/fide/1000101 — no account needed.

Coen Zuidema

IM

Netherlandsborn 1942FIDE ID 1000101

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2420
2460
2450 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2450
2450peak, Jan 2001
461games
144wins, 31%
192draws, 42%
125losses, 27%

Play style

before facing them
Elite accuracy: 94.0% average
Plays 5.5% better with white
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 as ♚ (58% in 62 games)
Vulnerable to 1.Nf3 ♚ (only 38%)

Play against Zuidema's Twin

Their real openings, level & style

Based on 461 games

Openings

461 games

Weaknesses

where they slip as ♔ White
Sicilian: d6 Systems1.e4 c5 2.♞f3 d631 games, last played 45 years ago41.9%losses

Strengths

what holds up for them as ♔ White
Sicilian: Kan1.e4 c5 2.♞f3 e6 3.d4 cxd4 4.♞xd4 a616 games56.3%wins

Deep analysis

Stockfish · Classical · 16 analyzed
Accuracy by phase
Opening
96.0%
Middlegame
93.1%
Endgame
93.7%
Clutch factor
-5%
Winning (+2)
85%
Equal
97%
Losing (−2)
90%
Problematic pieces
29%
10 err
26%
9 err
15%
5 err
15%
5 err
9%
3 err
6%
2 err
Critical moment
Move 30 avg
0%
1-15
0%
16-25
0%
26-35
0%
36-45
0%
46+
Error heatmap · Critical squares
4
Few
Many
d5
4
f8
3
g8
3
b6
2
c5
2
d5/f8 concentrate most errors. Force decisions in those zones.

Critical blunders

Tactical errors analyzed with Stockfish
No blunders recorded

Recent games

Van der Wiel, John T.H.(2555)

Nederland tt · 1 Jan 1986

1–0
Douwes, I.

Hilversum NED · 1 Jan 1986

1–0
Van der Wiel, John T.H.(2470)

NED · 9 Jan 1982

0–1
Van der Poel, Henk

KNSB · 1 Jan 1982

1–0
Bredewout, Henk

NED · 1 Jan 1977

1–0
Van Schoor, Karl

Willemstad AHO · 5 Sept 1976

0–1

Endgame statistics

Repertoire

PRO
461 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
228 games33%W45%D22%L
Move
1. e4
221Jan 1982
33%46%21
56%
1. d4
3—
33%67%
33%
1. c4
1—
100%
0%
1. a3
1—
100%
100%
1. ♞f3
1—
100%
100%
1. b3
1—
100%
50%

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