Scouting report: Ulf Andersson (GM, SWE)

3,158 over-the-board games in the Chess Stalker database (3,059 classical, 83 rapid, 16 blitz): 30% wins, 58% draws, 11% losses. FIDE rating 2519 standard, 2474 rapid, 2473 blitz. 373 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

Opening repertoire of Ulf Andersson 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 Ulf Andersson's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1700014 — no account needed.

Ulf Andersson

TitleGrandmasterFederationSwedenBorn1951FIDE ID1700014

Classical2519

Rapid2474

Blitz2473

Games3,158

W · D · LWon · Drawn · Lost30 / 58 / 11

Peak2640Jan 2001

Rating history

2420

2460

2500

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Oct 2023Nov 2026

Classical2519Rapid2474Blitz2473no games played

Accuracy by phase

96.7%Opening95.0%Middlegame96.0%Endgame

Clutch factor

Insufficient data

Play style

Elite accuracy: 94.5% average

Very consistent (89%)

Very precise: only 0.0 blunders/game

Dominates 1.d4 as

(67% in 248 games)

Vulnerable to 1.g3

(only 48%)

Recent games

Labruyere, Roger(2202)

FishPartners Open 2026 · 4 Jul 2026

0–1

Fridman, Daniel(2564)

FishPartners Open 2026 · 4 Jul 2026

½–½

Vedder, Richard(2205)

FishPartners Open 2026 · 4 Jul 2026

½–½

De Romph, Guido(2009)

FishPartners Open 2026 · 4 Jul 2026

0–1

Van der Wiel, John T.H.(2371)

FishPartners Open 2026 · 4 Jul 2026

½–½

Play against Andersson's Twin

Their real openings, level & style

Practice against a bot that uses their real openings and playing style

Based on

3,158 games

Based on 3,158 games

Openings

1,610 games as White · scores 64.6%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

Sicilian: 2...♞c61.e4 c5 2.♞f3 ♞c620 games, last played 4 months ago60.0%wins

By family

open a family to see its lines

PROTime controls · Years · Events

3,158 games in scope

LineECOGamesLast playedWins · draws · lossesScorevs 64.6%

A00–A049702y

34%60%

63.6%—

A10–A30208—

32%65%

64.9%—

A46–E11996y

35%62%

66.2%—

B23–B507823y

45%45%10

67.3%—

A40–D03414m

54%37%9

72.0%+7.3 pts

D30–D37324m

28%56%16

56.3%−8.4 pts

C63–C7025—

40%44%16

62.0%—

B00–B061923y

37%63%

68.4%—

Mistakes

Problematic pieces

Insufficient data

Critical moment

Insufficient data

Error heatmap · Critical squaresError heatmap

Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

Couldn't load this.

Endgame statistics

178 endgames (45.8%) · force Rook vs Minor (Exchange) (12%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

45.8%

178 / 389

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in Rook vs Minor (Exchange): only 12% win rate (26 games). Force this endgameShow all 14 types

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Repertoire

PROTime controls · Years · Events

3,158 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

1,610 games36%W58%D6%L

1,610games in this linewon 36%, drew 58%, lost 6%

Move

1. ♞f3

9572y

34%60%

64%

1. d4

2484m

39%55%

67%

1. c4

208Apr 2000

32%65%

65%

1. e4

18423y

46%43%11

67%

1. g3

7Sept 1968

1457%29%

43%

1. b3

3—

33%67%

33%

1. b4

3—

67%33%

67%

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