Nielsen, Peter Heine

DEN DEN·Born 1973·FIDE #1400355·2,268 Games

FIDE OTB · #1400355 · 2,268 Games

Classical26142,043 g Games

Rapid266933 g Games

Blitz2546192 g Games

Play against Nielsen's Twin

PRO

Uses their openings, level & style

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

Ready to play

2268 games analyzed

Statistics

Total

2268

Wins

826

Draws

1025

Losses

417

36%45%18%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.2% average

Low resilience (28%): Doesn't save lost positions

Very consistent (85%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (66% in 264 games)

Deep Analysis

Stockfish 18 · Classical games · 100 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

93.3%

Endgame

94.0%

Clutch Factor

+7%

Winning (+2)Winning (+2)

94%13g

EqualEqual position

95%51g

Losing (−2)Losing (−2)

88%36g

Accuracy under pressure

Problematic Pieces — which cause most errors?

31%

27 err

17%

15 err

15%

13 err

14%

12 err

14%

12 err

8 err

Critical Moment

Move 31 avg

1-15

16-25

67%

26-35

33%

36-45

46+

67% of blunders after move 26-35 — keep the tension until then.of blunders occur in moves 26-35. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

g2 / b4

Critical squares

5 err

4 err

3 err

g2/b4 account for most of the errors. Force decisions in those zones.

Openings

2,268 GamesBased on 2,268 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite66.7%Wins

Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc215 Games · last played 14 years ago

15 Games · last played 14 years ago

aswhite63.6%Wins

Sicilian: Najdorf — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a622 Games · last played 9 years ago

22 Games · last played 9 years ago

No consistent strengths detected as black

Critical Blunders

10 errors · Stockfish

#37Re1??Tacticsvs ViditOTB · 2021

#27Qf3??Tacticsvs ViditOTB · 2021

#27Kf1??Tacticsvs KorobovOTB · 2020

#35Rbxb4??Tacticsvs KorobovOTB · 2020

#18Ng4??Tacticsvs KorobovOTB · 2020

#36R7b4??Tacticsvs KorobovOTB · 2020

#31Rg8??Tacticsvs KorobovOTB · 2020

#49Kg3??Endgamevs ShimanovBlitz · 2019

#47Ke8??Endgamevs ShimanovBlitz · 2019

#25Rxd4??Tacticsvs ShimanovBlitz · 2019

Recent Games

2,268 Games

Draw

Shengelia, David(2487)

1. BL Pauli · 8 Feb 2026

½-½

Draw

Kozak, Adam(2527)

1. BL Pauli · 7 Feb 2026

½-½

Draw

Predojevic, Borki(2563)

German Bundesliga 2024-25 · 23 Feb 2025

½-½

Draw

Buckels, Valentin(2443)

German Bundesliga 2024-25 · 22 Feb 2025

½-½

Draw

Gustafsson, Jan(2598)

German Bundesliga 2024-25 · 12 Jan 2025

½-½

Win

Krastev, Alexander(2431)

German Bundesliga 2024-25 · 11 Jan 2025

0-1

Endgame Statistics

PRO58 endgames (47.2%)

Strongest

Weakest

Rook vs Minor (Exchange)

Reaches Endgame

47.2%

58 / 123

B vs N Pref

0% · 0%

1 / 3

PiecesTypeWin %Games

Rook + Minor

18.8%32

Rook+Bishop vs Rook+Knight

10.5%19

Rook vs Rook

11.8%17

Rook + Bishop Pair

33.3%12

Rook + Equal Minors

8.3%12

Rook vs Minor (Exchange)

0%8

Rook + Minor18.8%32

Rook+Bishop vs Rook+Knight10.5%19

Rook vs Rook11.8%17

Rook + Bishop Pair33.3%12

Rook + Equal Minors8.3%12

Rook vs Minor (Exchange)0%8

Weakest: Rook vs Minor (Exchange) 0%Show all 20 types

Unlock Endgame Statistics

20 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

1144 Games

44%41%15%

Move	Games	%
1.d4	647	65%
1.e4	264	66%
1.Nf3	111	60%
1.c4	101	63%
1.b3Weak	9	17%
1.b4Weak	4	25%
1.g3	4	63%
1.g4Strong	2	75%
1.f4Strong	1	100%
1.a4Strong	1	100%

MoveGamesPerformance%

1.d4

647

65%

1.e4

264

66%

1.Nf3

111

60%

1.c4

101

63%

1.b3Weak

17%

1.b4Weak

25%

1.g3

63%

1.g4Strong

75%

1.f4Strong

100%

1.a4Strong

100%