Thybo, Jesper Sondergaard

DEN DEN·Born 1999·FIDE #1438832·1,384 Games

Classical25791,297 Games

Rapid242541 Games

Blitz240763 Games

Statistics

1384

Total

635

Wins

440

Draws

309

Losses

46%32%22%

Play Style

What you need to know before facing them

Elite accuracy: 94.5% average

Solid conversion: 88%

Very consistent (90%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (77% in 156 games)

Deep Analysis

Stockfish 18 · Classical games · 566 analyzed

Accuracy by phase

Opening96.7%

Middlegame94.4%

Endgame95.8%

Clutch Factor

Performance under pressure

+6%

Winning (+2 or more)95%

232 Games

Equal position95%

201 Games

Losing (-2 or more)90%

67 Games

Problematic Pieces

Which pieces cause most errors?

♖

28%

78 errors

♙

20%

58 errors

♕

14%

40 errors

♗

13%

38 errors

♔

13%

38 errors

♞

11%

31 errors

Critical Moment

When does the first serious error occur?

Move 48average

1-15

16-25

26-35

36-45

46+

33% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e513 err

b510 err

c69 err

g69 err

e17 err

e5/b5 concentrate most errors. Force decisions in those zones.

Recent Games

Skytte, Rasmus2355

63rd TCh-DEN Ex 2025-26 · 25 Jan 2026

1-0

Chatalbashev, Boris2530

Danish Team Championship ... · 24 Jan 2026

½-½

Kuzubov, Yuriy2606

German Bundesliga 2025-26 · 11 Jan 2026

1-0

Van Foreest, Jorden2705

German Bundesliga 2025-26 · 10 Jan 2026

½-½

Klimkowski, Jan2520

German Bundesliga 2025-26 · 7 Dec 2025

1-0

Klimkowski, Jan2531

Round 4: Thybo, Jesper So... · 7 Dec 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Sicilian: 2...Nc6

45.5%

11 Games·Loses

1.e4 c5 2.Nf3 Nc6

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Reti: Double Fianchetto

75.0%

12 Games·Wins

1.Nf3 Nf6 2.g3 g6

Reti vs King's Indian

70.0%

10 Games·Wins

1.Nf3 Nf6 2.c4 g6

Black

Caro-Kann: Panov-Botvinnik

63.6%

11 Games·Wins

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

Sicilian: d6 Systems

56.5%

46 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#24Ng5??

Tactics

vs Kjartansson

OTB·2025

▶

#39Re6??

Tactics

vs Stremavicius

OTB·2025

▶

#37Rxf3??

Tactics

vs Hald Falkesgaard

Blitz·2024

▶

#37Qf3??

Tactics

vs Hansen

Blitz·2024

▶

#29Qf6??

Tactics

vs Hector

Blitz·2024

▶

#19h3??

Tactics

vs Wilbrandt

Blitz·2024

▶

#23Qe3??

Tactics

vs Pedersen

Blitz·2024

▶

#32Qh4??

Tactics

vs Hansen

Rapid·2024

▶

#57Ke5??

Endgame

vs Maiwald

OTB·2024

▶

#69Kc6??

Endgame

vs Kjartansson

OTB·2023

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

691 Games

51%29%20%

Move	Games	%
1.d4	388	64%
1.Nf3 Strong	156	77%
1.e4	106	57%
1.c4	41	61%

1.d4

64%

388

1.Nf3

77%

156

1.e4

57%

106

1.c4

61%

Thybo, Jesper Sondergaard

Play against Thybo, Jesper Sondergaard's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Sicilian: 2...Nc6

Strengths

Reti: Double Fianchetto

Reti vs King's Indian

Caro-Kann: Panov-Botvinnik

Sicilian: d6 Systems

Critical Blunders