D
GM
De Vreugt, Dennis
NED·Born 1980·FIDE #1003909·888 Games
FIDE OTB · #1003909 · 888 Games
Classical2430873 g Games
Rapid239715 g Games
Blitz24450 g Games
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888 games analyzed
Statistics
Total
888Wins
390Draws
227Losses
27144%26%31%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 91.6% average
Very consistent (92%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 ♔ (90% in 10 games)
Vulnerable to 1.d4 ♚ (only 48%)
Deep Analysis
Stockfish 18 · Classical games · 15 analyzedAccuracy by phase
Opening
97.4%
Middlegame
92.3%
Endgame
93.4%
Clutch Factor
+3%Winning (+2)Winning (+2)
93%4g
EqualEqual position
91%5g
Losing (−2)Losing (−2)
90%6g
Accuracy under pressure
Problematic Pieces — which cause most errors?
31%
4 err
23%
3 err
23%
3 err
15%
2 err
8%
1 err
0%
0 err
Critical Moment
Move 52 avg0%
1-15
0%
16-25
0%
26-35
0%
36-45
100%
46+
100% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.
Error Heatmap — where do errors occur?
2
FewMany
Errors mapped
11
Hotspot zone
d5 / a7
Critical squares
d5
2 err
a7
1 err
b1
1 err
b2
1 err
b8
1 err
d5/a7 account for most of the errors. Force decisions in those zones.
Openings
888 GamesBased on 888 player gamesWeaknesses
— exploit these— exploit these linesaswhite50.0%Losses
Caro-Kann: Panov-Botvinnik — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4
12 Games · last played 24 years agoPlay this line
asblack54.5%Losses
Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d4
11 Games · last played 15 years agoPlay this line
Strengths
— avoid these— avoid these linesaswhite75.0%Wins
Sicilian: Dragon — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g612 Games · last played 20 years ago
12 Games · last played 20 years ago
asblack80.0%Wins
Sicilian: Classical — 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d610 Games · last played 14 years ago
10 Games · last played 14 years ago
asblack53.3%Wins
Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb515 Games
15 Games
Critical Blunders
5 errors · Stockfish#52Rxa7??vs MeessenOTB · 2026
#48Kg3??vs LaiOTB · 2019
#14N8d7??vs BokOTB · 2019
#39Qe7??vs AronianOTB · 2003
#25h7h6??vs KarpovRapid
Recent Games
888 GamesDraw
Balcerak, Philipp(2352)
2. Bundesliga Nord 25-26 · 8 Feb 2026
Loss
Holtel, Jasper(2367)
2. Bundesliga Nord 25-26 · 7 Feb 2026
Draw
Meessen, Rudolf(2214)
2nd Bundesliga Nord 25-26 · 18 Jan 2026
Draw
Ostrovskiy, Andrey(2411)
2nd Bundesliga Nord 25-26 · 17 Jan 2026
Win
Feygin, Michael(2450)
2nd Bundesliga Nord 25-26 · 16 Jan 2026
Draw
Leenhouts, Koen(2466)
2. Bundesliga Nord in Mül... · 12 Dec 2025
Endgame Statistics
PRO5 endgames (31.2%)Unlock Endgame Statistics
10 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
440 Games
49%25%26%
MoveGamesPerformance%
1.e4
41461%
1.d4Strong
1090%
1.Nf3
863%
1.c4
764%
1.b3Strong
1100%
NED