KNSB FIDE
AB

Alef Boer

Rated since April 2003

2079 Classical
2103 Blitz

The good & the bad

Best wins
KOMEN, J.P. (JAN-PJOTR) 1915
Dutch Team Competition - klasse 1 Round 9 · 2026-04-11
Worst losses
GOUDRIAAN, R. (RAFAEL) 2266
Dutch Team Competition - klasse 1 Round 7 · 2026-02-07
ZULT, D. (DAAN) 2283
Dutch Team Competition - klasse 1 Round 6 · 2026-03-28

FIDE Tournaments

Dutch Team Competition - klasse 1 Round 9 2026-04-11 +1–0=0 +5.8
Dutch Team Competition - klasse 1 Round 6 2026-03-28 +0–1=0 -4.8
Dutch Team Competition - klasse 1 Round 7 2026-02-07 +0–1=0 -5.2
Dutch Team Competition - klasse 1 Round 5 2025-12-13 +0–0=1 +5.0
Chess Festival Groningen Compact Saturday 21 December 2024 +2–2=1 +8.0
16e BPB Limburg Open 2024 Groep A Friday 17 May 2024 +1–5=1 -30.9
Chess Festival Groningen Open A Thursday 21 December 2023 +2–4=3 +35.3
Hoogeveen 2023 Open Groep A Saturday 21 October 2023 +0–4=4 -29.7
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +0–1=0 -6.7
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +0–1=0 -11.1
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +2–2=3 +33.3

Rating History

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Peak Ratings

Classical 2201
Blitz 2166

Games

Wins 1
Losses 2
Draws 1
Win Rate 25%

Performance by Color

Color Wins Draws Losses Win Rate
White 0 0 2 0%
Black 1 1 0 50%

All-time Games (from rating history)

Classical 332
Blitz 89

Recent Matches

Komen, J.p. (jan-Pjotr) (1915) 2026-04-11 WIN +5.8
Zult, D. (daan) (2283) 2026-03-28 LOSS -4.8
Goudriaan, R. (rafael) (2266) 2026-02-07 LOSS -5.2
FM Los, S. (sander) (2268) 2025-12-13 DRAW +5.0