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Player profile

Jens, Jelmer

Standard: 2374 Rapid: 0 Blitz: 2326 (last updated 2026-11-02)
FIDE ID: 1007394 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1982 Age: 44
Title: IM Women's title: — Other title: — FOA title: —
Games: 33 Wins: 14 (42%) Draws: 11 (33%) Losses: 8 (24%)
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Dossier

17 of 33 games analyzed.

Accuracy: 89%
Opened e4: 7/7
Castled kingside: 17Same-side castling: 14Opposite-side castling: 3
Played on the queenside: 5Fianchettoed kingside: 3Played in the center: 3Fianchettoed queenside: 2Played on the kingside: 2
Sacrificed material: 13Kept the bishop pair: 13Active pieces: 12Initiated exchanges: 12Space advantage: 11Isolated pawn: 9Backward pawn: 9Played gambits: 3Missed tactics: 2Avoided exchanges: 1
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Openings

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As White 16 games 9W 4D 3L
Italian Game 4 games 2W 1D 1L
Paris Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 1W 0D 0L
Giuoco Pianissimo 1 game 1W 0D 0L
Two Knights Defense 1 game 0W 1D 0L
Modern Bishop's Opening 1 game 0W 1D 0L
Hungarian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 4 games 3W 0D 1L
Dragon Variation 2 games 2W 0D 0L
Yugoslav Attack 1 game 1W 0D 0L
Yugoslav Attack, Modern Line 1 game 1W 0D 0L
Najdorf Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Variation 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
French Defense 2 games 1W 1D 0L
Classical Variation 1 game 0W 1D 0L
Shirov-Anand Variation 1 game 0W 1D 0L
Steinitz Variation 1 game 1W 0D 0L
Boleslavsky Variation 1 game 1W 0D 0L
Caro-Kann Defense 2 games 2W 0D 0L
Two Knights Attack 2 games 2W 0D 0L
Mindeno Variation, Exchange Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bishop's Opening 2 games 0W 1D 1L
Paulsen Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Scandinavian Defense 1 game 1W 0D 0L
Blackburne Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 17 games 5W 7D 5L
Sicilian Defense 5 games 1W 2D 2L
Richter-Rauzer Variation 3 games 1W 1D 1L
Neo-Modern Variation 2 games 1W 0D 1L
(unspecified) 1 game 0W 1D 0L
Moscow Variation 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Classical Variation 1 game 0W 1D 0L
Anti-Sozin Variation 1 game 0W 1D 0L
Dutch Defense 4 games 0W 3D 1L
Leningrad Variation 3 games 0W 2D 1L
Warsaw Variation 3 games 0W 2D 1L
Raphael Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 2 games 1W 1D 0L
Normal Variation 1 game 0W 1D 0L
Botvinnik System 1 game 0W 1D 0L
Classical Variation 1 game 1W 0D 0L
Noa Variation 1 game 1W 0D 0L
Italian Game 2 games 1W 1D 0L
Classical Variation 2 games 1W 1D 0L
Giuoco Pianissimo 2 games 1W 1D 0L
Ruy Lopez 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
Martinez Variation 1 game 0W 0D 1L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Indian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 60

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

2026.10.31 · 39... Ne6 (−37.6% win chance) 1-0
Jens, Jelmer
De Boer, Eelke
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2025.04.05 · 43. Rb4 (−33.8% win chance) 1-0
Mohammadi Nia, Borna
Jens, Jelmer
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2025.07.20 · 23... dxe4 (−31.3% win chance) 1/2-1/2
Jens, Jelmer
Saxena, Vihaan
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2024.09.21 · 48... Bd4 (−31% win chance) 1-0
Jens, Jelmer
Beerdsen, Thomas
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View blunders & mistakes
Games Showing all 33 games
Date Event Round Color Opponent Result Accuracy % First moves