Piket, Jeroen

NED NED·Born 1969·FIDE #1000055·2,006 Games

Classical26241,826 Games

Rapid—159 Games

Blitz—21 Games

Play against Piket, Jeroen's Twin

PRO

Uses their openings, level & style

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

Ready to play

2006 games analyzed

Statistics

Total

2006

Wins

666

Draws

862

Losses

478

33%43%24%

Play Style

What you need to know before facing them

Elite accuracy: 92.0% average

Low resilience (31%): Doesn't save lost positions

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (73% in 13 games)

Deep Analysis

Stockfish 18 · Classical games · 244 analyzed

Accuracy by phase

Opening

96.8%

Middlegame

93.6%

Endgame

94.7%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+2%

Winning (+2 or more)

92%29g

Equal position

93%111g

Losing (-2 or more)

91%104g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

21%

65 errors

20%

61 errors

18%

56 errors

16%

50 errors

15%

46 errors

10%

30 errors

Critical Moment — When does the first serious error occur?

Move 36 average

21%

26%

1-15

16-25

26-35

36-45

46+

26% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

c4 / e6

Critical squares

11 err

10 err

c4/e6 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines

White61.5%Wins

Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g613 Games · last played 25 years ago

No consistent strengths detected as Black

Critical Blunders

10 errors · Stockfish

#40a4??Tacticsvs KramnikOTB · 2001

#32Nxd5??Tacticsvs TopalovOTB · 2001

#49Ke6??Endgamevs KramnikRapid · 2001

#37Qd4+??Endgamevs TopalovOTB · 2000

#51Ree2??Endgamevs TopalovRapid · 2000

#37Be5??Tacticsvs KramnikRapid · 2000

#57h4??Endgamevs TopalovRapid · 1999

#41Ng6??Endgamevs KramnikOTB · 1999

#51d5c5??Endgamevs KarpovRapid · 1999

#38e3e1??Endgamevs KarpovOTB · 1999

Recent Games

2,006 Games

Ernst, Sipke(2475)

? · 10 May 2003

0-1

Breder, Dennis(2445)

Godesberg - Solingen · 15 Mar 2003

½-½

Lutz, Christopher(2640)

Solingen - Porz · 9 Mar 2003

½-½

Sielecki, Christof(2390)

? · 22 Feb 2003

1-0

Cheko, J.(2230)

? · 15 Feb 2003

1-0

Polaczek, Richard(2424)

? · 15 Feb 2003

½-½

Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

1020 Games

38%45%17%

Move	Games	%
1.d4	895	60%
1.Nf3	82	60%
1.e4	23	59%
1.c4 Strong	13	73%
1.g3	5	30%
1.b3 Strong	2	100%

MoveGamesPerformance%

1.d4

895

60%

1.Nf3

60%

1.e4

59%

1.c4Strong

73%

1.g3

30%

1.b3Strong

100%