Player profile

Kelder, Sjoerd

Standard: 1944 Rapid: 0 Blitz: 1959 (last updated 2026-11-02)
FIDE ID: 1025538 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1981 Age: 45
Title: — Women's title: — Other title: — FOA title: —
Games: 2 Wins: 0 (0%) Draws: 1 (50%) Losses: 1 (50%)
Dossier

2 of 2 games analyzed.

Accuracy: 86%
Castled kingside: 2Same-side castling: 2
Fianchettoed kingside: 2Played on the queenside: 1
Isolated pawn: 2Initiated exchanges: 1Kept the bishop pair: 1Backward pawn: 1Space advantage: 1Active pieces: 1Sacrificed material: 1Avoided exchanges: 1Missed tactics: 1
Openings

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

As White 0 games 0W 0D 0L

No games as White in this range.

As Black 2 games 0W 1D 1L
Zukertort Opening 1 game 0W 1D 0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Botvinnik System Reversed, with Nf3 1 game 0W 0D 1L
Blunders Top 4 of 16

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

2026.05.14 · 49... Be7 (−35.6% win chance) 1-0
Kelder, Sjoerd
De Rover, Yong Hoon
View game
2026.05.14 · 48... Bd8 (−24.8% win chance) 1-0
Kelder, Sjoerd
De Rover, Yong Hoon
View game
2026.05.15 · 32... g5 (−20.7% win chance) 1/2-1/2
Kelder, Sjoerd
Jorritsma, Eli Alia
View game
2026.05.14 · 42... g5 (−19.7% win chance) 1-0
Kelder, Sjoerd
De Rover, Yong Hoon
View game
Games Showing all 2 games
Date Event Round Color Opponent Result Accuracy % First moves