Benjamin Haldorsen
TitleInternational MasterFederationNorwayBorn1999FIDE ID1512633
Classical2443
Rapid2343
Blitz2385
Games705
W · D · LWon · Drawn · Lost42 / 29 / 28
Peak2477Mar 2021
Rating history
2250
2350
2450
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2443Rapid2343Blitz2385no games played
Accuracy by phase
96.3%Opening93.3%Middlegame95.4%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 93.8% average
Solid conversion: 90%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 as 
(62% in 280 games)
(62% in 280 games)Vulnerable to 1.Nf3 (only 37%)
(only 37%)Recent games
Vestby-Ellingsen, Mads(2343)
Norwegian Championships 2024 | E... · 6 Jul 2024
Kaasen, Tor Fredrik(2473)
Norwegian Championships 2024 | E... · 5 Jul 2024
Elsness, Frode(2418)
Norwegian Championships 2024 | E... · 4 Jul 2024
Ingebretsen, Jens E(2407)
Norwegian Championships 2024 | E... · 3 Jul 2024
Amar, Elham(2542)
Norwegian Championships 2024 | E... · 2 Jul 2024
Play against Haldorsen's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 705 games
Openings
358 games as White · scores 60.1%Weaknesses
where they slip as ♔ WhiteItalian: 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 ♔ WhiteSicilian: 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
By family
open a family to see its linesPROTime controls · Years · Events
705 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 60.1%
B22–B501022y
44%30%26%
59.3%—C00482y
50%21%29%
60.4%—A00–A04363y
39%1150%
44.4%−15.6 ptsC60–C70332y
58%24%18
69.7%+9.6 ptsA10–A30312y
48%35%17
66.1%+6.1 ptsB10–B15292y
45%31%24%
60.3%—C23–C46252y
48%44%8
70.0%+9.9 ptsC50–C55203y
50%1535%
57.5%—Mistakes
Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squaresError heatmap
Insufficient data
Critical blunders
Tactical errors analyzed with StockfishCouldn't load this.
Endgame statistics
240 endgames (57.4%) · force Opposite-Color Bishops (7%)
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Repertoire
PROTime controls · Years · Events
705 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
358 games47%W26%D27%L
358games in this linewon 47%, drew 26%, lost 27%
Move
1. e4
2802y48%27%25%
62%1. c4
312y48%35%17
66%1. ♞f3
193y26%21%53%
37%1. b3
163y56%044%
56%1. d4
115y40%30%30%
50%1. e3
13y00100%
0%