T
GM
Ten Hertog, Hugo
NED·Born 1994·FIDE #1026356·664 Games
FIDE OTB · #1026356 · 664 Games
Classical2510640 g Games
Rapid24844 g Games
Blitz246320 g Games
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664 games analyzed
Statistics
Total
664Wins
333Draws
165Losses
16650%25%25%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 92.5% average
Solid conversion: 85%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (70% in 176 games)
Deep Analysis
Stockfish 18 · Classical games · 157 analyzedAccuracy by phase
Opening
95.3%
Middlegame
92.8%
Endgame
94.7%
Clutch Factor
+6%Winning (+2)Winning (+2)
94%72g
EqualEqual position
94%48g
Losing (−2)Losing (−2)
88%37g
Accuracy under pressure
Problematic Pieces — which cause most errors?
27%
41 err
22%
34 err
14%
22 err
14%
21 err
13%
20 err
9%
14 err
Critical Moment
Move 45 avg0%
1-15
11%
16-25
44%
26-35
0%
36-45
44%
46+
44% 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?
9
FewMany
Errors mapped
57
Hotspot zone
d1 / d4
Critical squares
d1
9 err
d4
7 err
f4
6 err
f5
6 err
d3
5 err
d1/d4 account for most of the errors. Force decisions in those zones.
Openings
664 GamesBased on 664 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite59.5%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d637 Games · last played 4 years ago
37 Games · last played 4 years ago
aswhite60.0%Wins
Caro-Kann: Advance — 1.e4 c6 2.d4 d5 3.e515 Games · last played 9 months ago
15 Games · last played 9 months ago
asblack50.0%Wins
Caro-Kann: Advance — 1.e4 c6 2.d4 d5 3.e510 Games · last played 9 months ago
10 Games · last played 9 months ago
Critical Blunders
10 errors · Stockfish#48Ng5+??vs MovahedOTB · 2025
#48Ng5+??vs MovahedOTB · 2025
#60b7??vs BurgOTB · 2025
#23Be7??vs PijpersOTB · 2025
#75hxg4??vs DegraeveOTB · 2025
#17cxd3??vs OhlerOTB · 2025
#29Rd1??vs SmeetsOTB · 2025
#33hxg4??vs Alonso RosellOTB · 2024
#22Ref8??vs FerreiraOTB · 2024
#35Ba6??vs MamedovOTB · 2023
Recent Games
664 GamesL
L'Ami, Erwin(2592)
ch-NED KO 2026 · 5 Jul 2026
L
L'Ami, Erwin(2592)
ch-NED KO 2026 · 4 Jul 2026
D
Riemersma, Li(2424)
51st OKU 2026 · 17 May 2026
W
Bosboom, Ardin(2154)
51st OKU 2026 · 17 May 2026
W
Kampman, Tijmen(2243)
51st OKU 2026 · 16 May 2026
W
Terlouw, Wouter(2259)
51st OKU 2026 · 16 May 2026
Endgame Statistics
PRO89 endgames (49.7%)Unlock Endgame Statistics
22 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
332 Games
55%22%23%
MoveGamesPerformance%
1.e4Strong
17670%
1.c4
6162%
1.g3
4463%
1.Nf3
3650%
1.b3
1070%
1.d4
560%
NED