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Player profile

Kollen, Zyon

Standard: 2357 Rapid: 2350 Blitz: 2395 (last updated 2026-11-02)
FIDE ID: 1024256 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1995 Age: 31
Title: FM Women's title: — Other title: — FOA title: —
Games: 31 Wins: 10 (32%) Draws: 15 (48%) Losses: 6 (19%)
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Dossier

27 of 31 games analyzed.

Accuracy: 90.5%
Opened e4: 14/17Opened Nc3: 2/17Opened Nf3: 1/17
Castled kingside: 21Same-side castling: 17Castled queenside: 5Opposite-side castling: 4Did not castle: 1
Played in the center: 12Played on the queenside: 7Played on the kingside: 5Fianchettoed kingside: 2Fianchettoed queenside: 2
Active pieces: 20Sacrificed material: 17Space advantage: 15Initiated exchanges: 14Kept the bishop pair: 14Isolated pawn: 12Backward pawn: 12Avoided exchanges: 6Played gambits: 5Missed tactics: 4
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Openings

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As White 20 games 8W 10D 2L
Sicilian Defense 10 games 5W 4D 1L
Najdorf Variation 4 games 3W 1D 0L
English Attack 4 games 3W 1D 0L
Lasker-Pelikan Variation 2 games 1W 1D 0L
Sveshnikov Variation, Chelyabinsk Variation 1 game 0W 1D 0L
Sveshnikov Variation, Novosibirsk Variation 1 game 1W 0D 0L
Kalashnikov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scheveningen Variation 1 game 0W 1D 0L
English Attack, with Qd2 1 game 0W 1D 0L
Kan Variation 1 game 0W 1D 0L
Knight Variation 1 game 0W 1D 0L
Dragon Variation 1 game 1W 0D 0L
Yugoslav Attack, Modern Line 1 game 1W 0D 0L
Caro-Kann Defense 3 games 1W 1D 1L
Advance Variation 2 games 1W 0D 1L
Short Variation 1 game 0W 0D 1L
Botvinnik-Carls Defense 1 game 1W 0D 0L
Tartakower Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Ruy Lopez 2 games 1W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation 1 game 1W 0D 0L
Philidor Defense 1 game 0W 1D 0L
Lion Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Van Geet Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Four Knights Game 1 game 0W 1D 0L
Glek System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
French Defense 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Kasparov Attack 1 game 1W 0D 0L
Scandinavian Defense 1 game 0W 1D 0L
Gubinsky-Melts Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 11 games 2W 5D 4L
French Defense 4 games 1W 1D 2L
Winawer Variation 2 games 1W 0D 1L
Bogoljubow Variation 1 game 1W 0D 0L
Advance Variation, with h4 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 1D 0L
Open System, Euwe-Keres Line 1 game 0W 1D 0L
Advance Variation 1 game 0W 0D 1L
Milner-Barry Gambit, Hector Variation 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Semi-Slav Defense 1 game 0W 1D 0L
Stoltz Variation 1 game 0W 1D 0L
Shabalov Attack 1 game 0W 1D 0L
Indian Defense 1 game 1W 0D 0L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Harrwitz Attack 1 game 0W 0D 1L
Two Knights Defense 1 game 0W 0D 1L
Italian Game 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Greco Gambit, Anderssen Variation 1 game 0W 0D 1L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line 1 game 0W 1D 0L
Blunders Top 4 of 85

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

2024.12.22 · 41. Ke3 (−46.8% win chance) 0-1
Albers, Sasa
Kollen, Zyon
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2024.12.22 · 40. Qb1 (−38.9% win chance) 0-1
Albers, Sasa
Kollen, Zyon
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2023.12.28 · 14... O-O (−36.6% win chance) 1-0
Zyon Kollen
Thomas Beerdsen
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2024.01.01 · 31. h4 (−35.2% win chance) 1-0
Sasa Albers
Zyon Kollen
View game
View blunders & mistakes
Games Showing all 31 games
Date Event Round Color Opponent Result Accuracy % First moves