Scouting report: Benjamin Haldorsen (IM, NOR)

705 over-the-board games in the Chess Stalker database (599 classical, 51 rapid, 55 blitz): 42% wins, 29% draws, 28% losses. FIDE rating 2443 standard, 2343 rapid, 2385 blitz. 325 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

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

Full report: https://chessstalker.com/fide/1512633 — no account needed.

Benjamin Haldorsen

IM

Norwayborn 1999FIDE ID 1512633

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2250
2350
2450
2460 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2443
2385
2343
2477peak, Mar 2021
705games
299wins, 42%
204draws, 29%
200losses, 28%

Play style

before facing them
Elite accuracy: 93.8% average
Solid conversion: 91%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 as ♔ (62% in 280 games)
Vulnerable to 1.Nf3 ♔ (only 37%)

Play against Haldorsen's Twin

Their real openings, level & style

Based on 705 games

Openings

705 games

Weaknesses

where they slip as ♔ White
Italian: Two Knights1.e4 e5 2.f3 c6 3.c4 f610 games, last played 3 years ago50.0%losses

Strengths

what holds up for them as ♔ White
Sicilian: 2...c61.e4 c5 2.f3 c616 games, last played 2 years ago68.8%wins
Ruy Lopez: Morphy1.e4 e5 2.f3 c6 3.b5 a628 games, last played 2 years ago60.7%wins

Deep analysis

Stockfish · Classical · 325 analyzed
Accuracy by phase
Opening
96.3%
Middlegame
93.3%
Endgame
95.4%
Clutch factor
+4%
Winning (+2)
94%
Equal
95%
Losing (−2)
90%
Problematic pieces
24%
55 err
19%
43 err
15%
34 err
14%
32 err
14%
32 err
14%
31 err
Critical moment
Move 35 avg
0%
1-15
20%
16-25
50%
26-35
10%
36-45
20%
46+
50% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
11
11
10
Few
Many
c6
11
d5
11
e5
10
c8
8
e2
7
c6/d5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#40
xd5?? vs Vestby-Ellingsen
Middlegame · OTB · 2024
#36
xc5?? vs Batchuluun
Middlegame · OTB · 2024
#35
h4+?? vs Lodici
Endgame · OTB · 2024
#27
b4?? vs Li
Middlegame · OTB · 2024
#40
a8+?? vs Moussard
Endgame · OTB · 2024
#20
d5?? vs Strand
Middlegame · Rapid · 2024

Recent games

Vestby-Ellingsen, Mads(2343)

Norwegian Championships 2... · 6 Jul 2024

0–1
Kaasen, Tor Fredrik(2473)

Norwegian Championships 2... · 5 Jul 2024

½–½
Elsness, Frode(2418)

Norwegian Championships 2... · 4 Jul 2024

½–½
Ingebretsen, Jens E(2407)

Norwegian Championships 2... · 3 Jul 2024

1–0
Amar, Elham(2542)

Norwegian Championships 2... · 2 Jul 2024

0–1
Kvaloy, Aksel Bu(2467)

Norwegian Championships 2... · 1 Jul 2024

0–1

Endgame statistics

Repertoire

PRO
705 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
358 games47%W26%D27%L
Move
1. e4
2802y
48%27%25%
62%
1. c4
312y
48%35%17
66%
1. f3
193y
26%2153%
37%
1. b3
163y
56%44%
56%
1. d4
115y
40%30%30%
50%
1. e3
13y
100%
0%

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