T
GM

Thybo, Jesper Sondergaard

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

Classical25791,297 Games
Rapid242641 Games
Blitz240763 Games

Play against Thybo, Jesper Sondergaard's Twin

PRO

Uses their openings, level & style

Statistics

Total

1384

Wins

635

Draws

440

Losses

309
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 · 567 analyzed
Accuracy by phase
Opening
96.7%
Middlegame
94.4%
Endgame
95.8%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+6%
Winning (+2 or more)
95%232g
Equal position
95%201g
Losing (-2 or more)
90%67g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
28%
79 errors
21%
59 errors
14%
41 errors
13%
38 errors
13%
38 errors
11%
31 errors
Critical Moment — When does the first serious error occur?
Move 48 average
8%
0%
25%
33%
33%
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?
13
Few
Many
Critical squares
e5
13 err
b5
10 err
c6
9 err
g6
9 err
e1
7 err
e5/b5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines
White45.5%Loses
Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc6
11 Games · last played 2 years agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines
White75.0%Wins
Reti: Double Fianchetto — 1.Nf3 Nf6 2.g3 g612 Games · last played 10 months ago
White70.0%Wins
Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g610 Games · last played 6 months ago
Black63.6%Wins
Caro-Kann: Panov-Botvinnik — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c411 Games · last played 4 years ago
Black56.5%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d646 Games · last played 3 years ago

Critical Blunders

10 errors · Stockfish
Ng5??vs KjartanssonOTB · 2025
Re6??vs StremaviciusOTB · 2025
h3??vs WilbrandtBlitz · 2024
Qe3??vs PedersenBlitz · 2024
Qf3??vs HansenBlitz · 2024
Qf6??vs HectorBlitz · 2024
Rxf3??vs Hald FalkesgaardBlitz · 2024
Qh4??vs HansenRapid · 2024
Ke5??vs MaiwaldOTB · 2024
Kc6??vs KjartanssonOTB · 2023

Recent Games

W
Skytte, Rasmus(2355)

63rd TCh-DEN Ex 2025-26 · 25 Jan 2026

1-0
D
Chatalbashev, Boris(2530)

Danish Team Championship ... · 24 Jan 2026

½-½
L
Kuzubov, Yuriy(2606)

German Bundesliga 2025-26 · 11 Jan 2026

1-0
D
Van Foreest, Jorden(2705)

German Bundesliga 2025-26 · 10 Jan 2026

½-½
W
Klimkowski, Jan(2520)

German Bundesliga 2025-26 · 7 Dec 2025

1-0
W
Klimkowski, Jan(2531)

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

1-0

Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
691 Games
51%29%20%
MoveGamesPerformance%
1.d4
388
64%
1.Nf3Strong
156
77%
1.e4
106
57%
1.c4
41
61%

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