KNSB FIDE
AK

Alex Koelewijn

Rated since January 2023

2009 Classic
1923 Rapid
1893 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VEER, W.N. (WIM) 2139
10874 DecaChess Groep A · Sunday 6 April 2025
GEUS DE, G.J. (GERARD) 2065
11992 KNSB competitie 2025-2026 Klasse 3 ronde 2 · Saturday 4 October 2025
DEEN, R.J.P. (RON) 2048
12806 NHSB-competitie 2025-2026 Topklasse t/m 18-01-2026 · Tuesday 13 January 2026
TEIANU, M. (MAXIM) 2025
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
VISSER, I. (INGMAR) 2020
13527 KNSB competitie 2025-2026 Klasse 3 ronde 9 · Saturday 11 April 2026
Worst losses
KLOMPMAKER, F. (FELIX) 1782
12530 NK Snelschaken 2026 Groep A · Saturday 12 September 2026
TIMAR, Y.S.S. (YANNICK) 1784
9802 Amsterdam Chess Open Groep B · Friday 1 November 2024
ALHASAN, H.U.S. (HUSAM) 1856
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
ROTHUIZEN, I.Y. (IVAR) 1870
12530 NK Snelschaken 2026 Groep A · Saturday 12 September 2026
BUSA, R. (RYAN) 1881
11615 UniClass Science Park Amsterdam Schaaktoernooi Groep B · Saturday 12 July 2025
NK Snelschaken 2026 Groep A Saturday 12 September 2026 +12–11=3 -50.5
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +10–10=6 -23.6
UniClass Science Park Amsterdam Schaaktoernooi Groep B Saturday 5 July 2025 +6–2=1 +7.7
Amsterdam Chess Open Groep B Friday 1 November 2024 +1–2=0 -21.6
KNSB competitie 2026-2027 Klasse 4 ronde 1 Saturday 19 September 2026 +0–0=1 -2.3
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +1–0=0 +13.3
KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +0–0=1 +1.9
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +1–0=0 +3.7
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–1=0 -9.2
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +1–0=0 +7.5
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +1–0=0 +15.4
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +1–0=0 +12.6
NHSB-competitie 2025-2026 Topklasse t/m 15-02-2026 Monday 1 September 2025 +0–0=1 +3.3
NHSB-competitie 2025-2026 Topklasse t/m 18-01-2026 Monday 1 September 2025 +1–0=0 +14.7
DecaChess Groep A Sunday 6 April 2025 +2–7=0 -21.2
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–1=0 -8.0
KNSB competitie 2024-2025 Klasse 4 ronde 8 Saturday 21 September 2024 +0–0=1 0.0
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +0–0=1 +0.2
KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +0–1=0 -10.8
KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–0=1 +1.9
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–0=1 +1.2
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Saturday 21 September 2024 +0–1=0 -11.1
NHSB-competitie 2024-2025 Zilver t/m 25-05-2025 Sunday 1 September 2024 +1–0=0 +9.7
NHSB-competitie 2024-2025 Zilver t/m 04-05-2025 Sunday 1 September 2024 +1–0=0 +11.1
NHSB-competitie 2024-2025 Topklasse t/m 06-04-2025 Sunday 1 September 2024 +0–0=1 +3.3
NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 Sunday 1 September 2024 +1–0=0 +3.4
NHSB-competitie 2024-2025 Zilver t/m 23-02-2025 Sunday 1 September 2024 +1–0=0 +12.2
NHSB-competitie 2024-2025 Klasse 2B t/m 15-12-2024 Sunday 1 September 2024 +1–0=0 +10.2
NHSB-competitie 2024-2025 Klasse 2B t/m 28-11-2024 Sunday 1 September 2024 +1–0=0 +6.4
NHSB-competitie 2024-2025 Klasse 2B t/m 26-10-2024 Sunday 1 September 2024 +0–1=1 -10.1
NHSB-competitie 2024-2025 Topklasse t/m 26-10-2024 Sunday 1 September 2024 +1–0=0 +13.2

Team Competition

Current team
’t Saense Paard 1
Klasse 3C · 2025-2026 · 9 games
Past teams
’t Saense Paard 1
Klasse 3C · 2024-2025
’t Saense Paard 2
Klasse 4D · 2024-2025

Rating History

Loading rating history...

Peak Ratings

Classic 2011 May 1, 2026
Rapid 1923 May 1, 2025
Blitz 1944 Oct. 1, 2025

Games

Wins 44
Losses 39
Draws 19
Win Rate 43%

Performance by Color

Color Wins Draws Losses Win Rate
White 26 9 17 50%
Black 18 10 22 36%

Recent Matches

Boonstra, J. (Jasper) (1945) Saturday 19 September 2026 DRAW -2.3
Li, V. (Vince) (1693) Saturday 12 September 2026 WIN +4.8
Drager, J. (Jason) (1568) Saturday 12 September 2026 WIN +2.4
Zootjes, A. (Aäron) (1713) Saturday 12 September 2026 WIN +5.2
Hoogerwaard, S. (Samantha) (1600) Saturday 12 September 2026 WIN +2.9
Saroye Bachna, A. (Ankush) (1483) Saturday 12 September 2026 WIN +1.3
Bakker, T. (Theo) (1992) Saturday 12 September 2026 LOSS -10.8
Klompmaker, F. (Felix) (1782) Saturday 12 September 2026 LOSS -8.9
Ramcharan, A. (Aileshwar) (1944) Saturday 12 September 2026 WIN +12.5
Groenewegen, M. (Max) (1683) Saturday 12 September 2026 WIN +4.5
Deij, C. (Casper) (1794) Saturday 12 September 2026 DRAW -5.0
Attevelt, B.R. (Bart) (1886) Saturday 12 September 2026 LOSS -14.5
Ay, B. (Barry) (1770) Saturday 12 September 2026 DRAW -5.7
Klein, R.J.H. (Ron) (1928) Saturday 12 September 2026 LOSS -13.1
Lenting, R. (Roan) (2047) Saturday 12 September 2026 LOSS -9.0
Do, H. (Huong) (1881) Saturday 12 September 2026 DRAW -2.2
Eerens, W. (Pim) (2028) Saturday 12 September 2026 LOSS -9.6
Rothuizen, I.Y. (Ivar) (1870) Saturday 12 September 2026 LOSS -15.1
Ngangbam, C. (Chingthang) (1820) Saturday 12 September 2026 WIN +8.3
Verkooijen, F.J.A. (Frank) (2088) Saturday 12 September 2026 LOSS -7.7