Player profile

Boer, Alef

Standard: 2048 Rapid: 0 Blitz: 2103 (last updated 2026-11-02)
FIDE ID: 1007122 (view FIDE profile)
Federation: NED Sex: M Birth Year: 1971 Age: 55
Title: — Women's title: — Other title: — FOA title: —
Games: 16 Wins: 2 (13%) Draws: 7 (44%) Losses: 7 (44%)
Dossier

16 of 16 games analyzed.

Accuracy: 92.5%
Opened e4: 4/4
Castled kingside: 6Same-side castling: 6Castled queenside: 1Opposite-side castling: 1Did not castle: 1
Fianchettoed kingside: 4Played in the center: 3Fianchettoed queenside: 2Played on the kingside: 2Played on the queenside: 2
Kept the bishop pair: 7Space advantage: 6Backward pawn: 5Active pieces: 4Isolated pawn: 3Initiated exchanges: 3Avoided exchanges: 3Missed tactics: 2Sacrificed material: 2Played gambits: 1
Openings

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As White 4 games 2W 1D 1L
Sicilian Defense 2 games 1W 0D 1L
Delayed Alapin Variation 1 game 0W 0D 1L
with e6 1 game 0W 0D 1L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 1 game 1W 0D 0L
Morphy Defense 1 game 1W 0D 0L
Anderssen Variation 1 game 1W 0D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 4 games 0W 2D 2L
Queen's Gambit Declined 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Positional Variation 1 game 0W 0D 1L
Sicilian Defense 1 game 0W 0D 1L
Moscow Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bishop's Opening 1 game 0W 1D 0L
Berlin Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Accepted 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Blunders Top 4 of 60

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

2023.10.24 · 35. f6 (−38.1% win chance) 0-1
Fehr, Axel, Dr.
Boer, Alef
View game
2023.10.28 · 59. Qxc5 (−36.7% win chance) 1/2-1/2
Goudriaan, Rafael
Boer, Alef
View game
2023.10.24 · 31. Ng3 (−20% win chance) 0-1
Fehr, Axel, Dr.
Boer, Alef
View game
2023.10.25 · 23... exd4 (−18.6% win chance) 1-0
Boer, Alef
Arnold, Rhys
View game
Games Showing all 16 games
Date Event Round Color Opponent Result Accuracy % First moves