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Player profile

Grooten, Herman

Standard: 2173 Rapid: 2184 Blitz: 2120 (last updated 2026-11-02)
FIDE ID: 1000330 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1958 Age: 68
Title: IM Women's title: — Other title: — FOA title: —
Games: 196 Wins: 73 (37%) Draws: 29 (15%) Losses: 94 (48%)
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Dossier

186 of 196 games analyzed.

Accuracy: 87.8%
Opened d4: 71/87Opened Nf3: 16/87
Castled kingside: 129Same-side castling: 127Did not castle: 29Castled queenside: 13Opposite-side castling: 12
Fianchettoed queenside: 60Fianchettoed kingside: 59Played in the center: 52Played on the queenside: 47Played on the kingside: 43
Active pieces: 116Sacrificed material: 112Initiated exchanges: 101Isolated pawn: 99Space advantage: 94Backward pawn: 91Kept the bishop pair: 88Avoided exchanges: 43Missed tactics: 37Played gambits: 10
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 91 games 33W 15D 43L
Queen's Gambit Declined 25 games 11W 4D 10L
Ragozin Defense 5 games 2W 1D 2L
Alekhine Variation 3 games 1W 0D 2L
(unspecified) 2 games 1W 1D 0L
Three Knights Variation 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
(unspecified) 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Exchange Variation 2 games 1W 1D 0L
Positional Variation 2 games 1W 1D 0L
Barmen Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Tartakower Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Modern Variation 2 games 2W 0D 0L
Normal Line 2 games 2W 0D 0L
Vienna Variation 2 games 0W 0D 2L
Quiet Variation 2 games 0W 0D 2L
Orthodox Defense 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tarrasch Defense 1 game 0W 0D 1L
Pseudo-Tarrasch 1 game 0W 0D 1L
English Opening 7 games 1W 2D 4L
Anglo-Indian Defense 4 games 1W 2D 1L
Anti-Anti-Grünfeld 1 game 0W 0D 1L
King's Knight Variation 1 game 1W 0D 0L
Anglo-Grünfeld Variation 1 game 0W 1D 0L
Queen's Indian Formation 1 game 0W 1D 0L
Neo-Catalan 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined 1 game 0W 0D 1L
Slav Defense 6 games 2W 2D 2L
Modern Line 5 games 2W 1D 2L
(unspecified) 5 games 2W 1D 2L
Exchange Variation 1 game 0W 1D 0L
Symmetrical Line 1 game 0W 1D 0L
Grünfeld Defense 5 games 2W 0D 3L
Stockholm Variation 3 games 0W 0D 3L
(unspecified) 3 games 0W 0D 3L
Three Knights Variation 2 games 2W 0D 0L
Burille Variation 1 game 1W 0D 0L
Petrosian System 1 game 1W 0D 0L
Semi-Slav Defense 5 games 1W 1D 3L
(unspecified) 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Main Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Stoltz Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 5 games 0W 3D 2L
Orthodox Variation 4 games 0W 2D 2L
Aronin-Taimanov Defense 2 games 0W 2D 0L
Positional Defense, Closed Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Petrosian Variation 1 game 0W 1D 0L
Stein Defense 1 game 0W 1D 0L
Bogo-Indian Defense 5 games 1W 0D 4L
Grünfeld Variation 5 games 1W 0D 4L
(unspecified) 5 games 1W 0D 4L
Queen's Indian Defense 4 games 1W 0D 3L
Kasparov-Petrosian Variation 3 games 0W 0D 3L
Main Line 2 games 0W 0D 2L
Kasparov Attack 1 game 0W 0D 1L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Defense 4 games 3W 0D 1L
Classical Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Leningrad Variation 1 game 1W 0D 0L
Warsaw Variation 1 game 1W 0D 0L
Alekhine Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Larsen Attack 3 games 2W 0D 1L
Classical Variation 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Queen's Gambit Accepted 3 games 1W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alekhine Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Classical Defense 1 game 0W 0D 1L
Alekhine System 1 game 0W 0D 1L
Zukertort Opening 3 games 1W 0D 2L
Nimzo-Larsen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Trompowsky Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Benko Gambit Accepted 2 games 2W 0D 0L
Pawn Return Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Indian Defense 2 games 0W 0D 2L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Budapest Gambit Accepted 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Benoni Defense 2 games 0W 1D 1L
Classical Variation 2 games 0W 1D 1L
Czerniak Defense 2 games 0W 1D 1L
Robatsch Defense 1 game 1W 0D 0L
Rossolimo Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 0D 1L
Yugoslav Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Horwitz Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tarrasch Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Kangaroo Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Réti Opening 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense 1 game 0W 0D 1L
As Black 90 games 36W 12D 42L
Caro-Kann Defense 23 games 9W 6D 8L
Advance Variation 7 games 2W 1D 4L
Tal Variation 6 games 1W 1D 4L
Short Variation 1 game 1W 0D 0L
Classical Variation 5 games 3W 1D 1L
Lobron System 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
Main Line 1 game 0W 1D 0L
Spassky Variation 1 game 1W 0D 0L
Flohr Variation 1 game 1W 0D 0L
Exchange Variation 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Two Knights Attack 2 games 1W 1D 0L
Mindeno Variation 1 game 0W 1D 0L
Mindeno Variation, Exchange Line 1 game 1W 0D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Maróczy Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Accelerated Panov Attack 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
Goldman Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Sicilian Defense 20 games 8W 2D 10L
Kan Variation 5 games 2W 1D 2L
(unspecified) 3 games 0W 1D 2L
Maróczy Bind, Réti Variation 2 games 2W 0D 0L
Delayed Alapin Variation 4 games 1W 1D 2L
(unspecified) 3 games 1W 1D 1L
with e6 1 game 0W 0D 1L
Najdorf Variation 4 games 2W 0D 2L
English Attack 2 games 1W 0D 1L
Adams Attack 1 game 1W 0D 0L
Zagreb Variation 1 game 0W 0D 1L
French Variation 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Moscow Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Wing Gambit 1 game 0W 0D 1L
Marshall Variation 1 game 0W 0D 1L
Smith-Morra Gambit Accepted 1 game 0W 0D 1L
Kan Formation 1 game 0W 0D 1L
English Opening 12 games 7W 1D 4L
Symmetrical Variation 7 games 5W 0D 2L
Hedgehog Defense 4 games 3W 0D 1L
Normal Variation 2 games 2W 0D 0L
Three Knights, Fianchetto Variation 1 game 0W 0D 1L
King's English Variation 3 games 0W 1D 2L
Closed System, Full Symmetry 1 game 0W 0D 1L
Botvinnik System 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 0D 1L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Queen's Indian Defense 8 games 3W 0D 5L
Fianchetto Variation 4 games 1W 0D 3L
Check Variation, Intermezzo Line 2 games 0W 0D 2L
Nimzowitsch Variation, Timman's Line 1 game 0W 0D 1L
Nimzowitsch Variation 1 game 1W 0D 0L
Kasparov Variation 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Petrosian Variation 1 game 1W 0D 0L
Farago Defense 1 game 1W 0D 0L
Nimzo-Indian Defense 6 games 2W 1D 3L
Classical Variation 2 games 1W 0D 1L
Berlin Variation 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Rubinstein System 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Kmoch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
St. Petersburg Variation 1 game 0W 0D 1L
Romanishin-Psakhis Variation 1 game 0W 0D 1L
Indian Defense 5 games 2W 0D 3L
Accelerated London System 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Gibbins-Weidenhagen Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 5 games 1W 0D 4L
Fianchetto Variation 3 games 0W 0D 3L
(unspecified) 3 games 0W 0D 3L
King's Pawn Line 1 game 0W 0D 1L
with Bg5 1 game 0W 0D 1L
Old Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
Rapport-Jobava System 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Trompowsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bird Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Polish Opening 1 game 0W 0D 1L
Czech Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Yusupov-Rubinstein System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 925

This player's costliest moves in analyzed games. Can you find the winning move?

2025.03.15 · 30. Qf2 (−90.3% win chance) 0-1
Dgebuadze, Alexandre
Grooten, Herman
View game
2025.10.19 · 37. Kc5 (−87.9% win chance) 0-1
Abel Sajan
Grooten, Herman
View game
2024.09.14 · 39... Qe6 (−75.3% win chance) 1-0
Grooten, Herman
Tikranian, Alik
View game
2024.09.14 · 36... Qb1 (−71.8% win chance) 1-0
Grooten, Herman
Ondersteijn, Niels
View game
View blunders & mistakes
Games Showing all 196 games
Date Event Round Color Opponent Result Accuracy % First moves