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Player profile

Boonstra, Jasper

Standard: 1907 Rapid: 1903 Blitz: 1897 (last updated 2026-11-02)
FIDE ID: 1049097 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1985 Age: 41
Title: — Women's title: — Other title: — FOA title: —
Games: 15 Wins: 4 (27%) Draws: 3 (20%) Losses: 7 (47%) Other: 1
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Dossier

15 of 15 games analyzed.

Accuracy: 83.3%
Opened e4: 8/8
Castled kingside: 14Same-side castling: 11Opposite-side castling: 1Did not castle: 1
Fianchettoed kingside: 6Played in the center: 5Played on the queenside: 5Played on the kingside: 4Fianchettoed queenside: 1
Active pieces: 13Initiated exchanges: 11Sacrificed material: 8Isolated pawn: 7Backward pawn: 6Missed tactics: 5Space advantage: 4Kept the bishop pair: 4Played gambits: 4Avoided exchanges: 3
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Openings

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

As White 8 games 1W 3D 4L
Sicilian Defense 3 games 0W 1D 2L
Lasker-Pelikan Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Kan Variation 1 game 0W 0D 1L
Maróczy Bind, Réti Variation 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 3 games 0W 2D 1L
Scotch Gambit 1 game 0W 0D 1L
Anderssen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 1D 0L
Greco Gambit, Traditional Line 1 game 0W 1D 0L
Two Knights Defense 1 game 0W 1D 0L
Max Lange Attack 1 game 0W 1D 0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Euwe Variation 1 game 0W 0D 1L
As Black 7 games 3W 0D 3L
Grünfeld Defense 3 games 0W 0D 3L
Exchange Variation 2 games 0W 0D 2L
Modern Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Russian Variation 1 game 0W 0D 1L
Smyslov Variation 1 game 0W 0D 1L
Sicilian Defense 2 games 1W 0D 0L
Czerniak Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Moscow Variation 1 game 0W 0D 0L
Main Line 1 game 0W 0D 0L
Indian Defense 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 82

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

2026.08.22 · 48. Kc3 (−72.9% win chance) 0-1
Hng, Mei-En Emmanuelle
Boonstra, Jasper
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2026.08.23 · 41. Qd7 (−69.9% win chance) 0-1
Brennan, Henry
Boonstra, Jasper
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2026.08.22 · 22. Rxc6 (−42.9% win chance) 0-1
Urkedal, Frode Olav Olsen
Boonstra, Jasper
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2026.08.23 · 25... h5 (−41.3% win chance) 1-0
Boonstra, Jasper
Kumar, Sanjit S
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Games Showing all 15 games
Date Event Round Color Opponent Result Accuracy % First moves