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Player profile

Seinen, Niek

Standard: 1837 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 40114066 (view FIDE profile)
Federation: NED Sex: M Birth Year: 2003 Age: 23
Title: — Women's title: — Other title: — FOA title: —
Games: 14 Wins: 5 (36%) Draws: 2 (14%) Losses: 7 (50%)
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Dossier

13 of 14 games analyzed.

Accuracy: 85.5%
Opened d4: 8/8
Castled kingside: 11Same-side castling: 10Castled queenside: 1Opposite-side castling: 1Did not castle: 1
Played in the center: 5Fianchettoed queenside: 3Played on the queenside: 3Fianchettoed kingside: 3Played on the kingside: 2
Space advantage: 11Active pieces: 9Kept the bishop pair: 8Initiated exchanges: 8Isolated pawn: 5Backward pawn: 5Missed tactics: 4Sacrificed material: 4Avoided exchanges: 4
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Openings

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As White 8 games 4W 1D 3L
Queen's Gambit Declined 3 games 3W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Marshall Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
Budapest Gambit Accepted 1 game 1W 0D 0L
Fajarowicz Defense 1 game 1W 0D 0L
Tarrasch Defense 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Berlin Variation 1 game 0W 0D 1L
Dutch Defense 1 game 0W 0D 1L
Queen's Knight Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Semi-Slav Defense 1 game 0W 0D 1L
Romih Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 6 games 1W 1D 4L
Caro-Kann Defense 5 games 1W 1D 3L
Maróczy Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Panov Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Karpov Variation 1 game 0W 0D 1L
Modern Variation, Kasparov Attack 1 game 0W 0D 1L
Exchange Variation 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Advance Variation 1 game 0W 0D 1L
Botvinnik-Carls Defense 1 game 0W 0D 1L
King's Indian Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 53

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

2024.05.12 · 28. Rc1 (−85.2% win chance) 0-1
Wagenaar, Harm Theo
Niek Seinen
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2024.05.12 · 26. Qc3 (−80.5% win chance) 0-1
Wagenaar, Harm Theo
Niek Seinen
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2024.06.01 · 70. Kh5 (−43.6% win chance) 0-1
Plasmans, Bart
Seinen, Niek
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2025.05.16 · 34... Ka5 (−41.6% win chance) 1-0
Seinen, Niek
Darie, Aden
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View blunders & mistakes
Games Showing all 14 games
Date Event Round Color Opponent Result Accuracy % First moves