KNSB FIDE
LK

Leon Koster

Rated since January 2023

2279 Classic
2280 Rapid
2280 Blitz

Team Competition

Current team
CSV 1
Klasse 2B · 2025-2026 · 6 games
Past teams
CSV 1
Klasse 2C · 2024-2025
7 games
CSV 1
Klasse 2B · 2023-2024
8 games
CSV 1
Klasse 2C · 2022-2023
6 games
CSV 1
Klasse 3F · 2021-2022
7 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
JANSSEN, R.W.A. (RUUD) (GM) 2475
9434 KNSB competitie 2024-2025 Klasse 2 ronde 1 · Saturday 21 September 2024
TIKRANIAN, A. (ALIK) (FM) 2291
9641 KNSB competitie 2024-2025 Klasse 2 ronde 2 · Saturday 12 October 2024
NABUURS, J. (JOEP) 2260
10702 KNSB competitie 2024-2025 Klasse 2 ronde 7 · Saturday 8 March 2025
ZON VAN DER, S. (STEF) 2171
6730 KNSB competitie 2022-2023 Klasse 2 ronde 7 · Saturday 11 March 2023
OUDSHOORN, A. (ARRES) 2166
11850 KNSB competitie 2025-2026 Klasse 2 ronde 1 · Saturday 20 September 2025
Worst losses
GIJSEN, W. (WILLIAM) 2114
8597 KNSB competitie 2023-2024 Klasse 2 ronde 8 · Saturday 23 March 2024
BANNINK, B. (BERNARD) (FM) 2213
7578 KNSB competitie 2023-2024 Klasse 2 ronde 1 · Saturday 16 September 2023
NEMEC, N. (VJEKOSLAV) (FM) 2314
12989 KNSB competitie 2025-2026 Klasse 2 ronde 7 · Saturday 7 February 2026
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 2 ronde 9 Saturday 20 September 2025 +0–0=1 -0.6
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +1–0=0 +4.2
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +1–0=0 +1.1
KNSB competitie 2025-2026 Klasse 2 ronde 7 Saturday 20 September 2025 +0–1=0 -7.2
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +1–0=0 +4.2
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +1–0=0 +5.8
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +0–0=1 -4.4
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–0=1 -0.7
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +1–0=0 +8.1
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 -1.6
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–0=1 -3.0
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +9.0
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +1–0=0 +13.7
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +7.0
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–1=0 -11.9
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +1–0=0 +0.8
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–0=1 +2.3
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +4.3
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +1–0=0 +3.9
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–1=0 -9.6
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–0=1 -3.8
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +1–0=0 +6.8
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +1–0=0 +1.6
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +0–0=1 -0.7

Rating History

Loading rating history...

Peak Ratings

Classic 2282 Dec. 1, 2025
Rapid 2280 May 1, 2026
Blitz 2280 May 1, 2026

Games

Wins 13
Losses 3
Draws 8
Win Rate 54%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 1 1 83%
Black 3 7 2 25%

Recent Matches

FM Plukkel, S. (Sjoerd) (2253) Saturday 11 April 2026 DRAW -0.6
Schiebroek, L. (Luc) (2090) Saturday 28 March 2026 WIN +4.2
Nouwens, J. (Jeroen) (1850) Saturday 7 March 2026 WIN +1.1
FM Nemec, N. (Vjekoslav) (2314) Saturday 7 February 2026 LOSS -7.2
Dam van, T. (Thijs) (2097) Saturday 1 November 2025 WIN +4.2
Oudshoorn, A. (Arres) (2166) Saturday 20 September 2025 WIN +5.8
Sutmuller, J.M. (Jos) (2064) Saturday 10 May 2025 DRAW -4.4
Govoreanu, M. (Matei) (2244) Saturday 5 April 2025 DRAW -0.7
Nabuurs, J. (Joep) (2260) Saturday 8 March 2025 WIN +8.1
CM Terlouw, W. (Wouter) (2199) Saturday 14 December 2024 DRAW -1.6
Moskalets, S. (Sofia) (2136) Saturday 23 November 2024 DRAW -3.0
FM Tikranian, A. (Alik) (2291) Saturday 12 October 2024 WIN +9.0
GM Janssen, R.W.A. (Ruud) (2475) Saturday 21 September 2024 WIN +13.7
Bakker, G.J. (Guido) (2166) Saturday 20 April 2024 WIN +7.0
Gijsen, W. (William) (2114) Saturday 23 March 2024 LOSS -11.9
Nouwens, J. (Jeroen) (1771) Saturday 2 March 2024 WIN +0.8
IM Scheeren, P.M.J. (Peter) (2350) Saturday 16 December 2023 DRAW +2.3
Dijken van, R.B. (Rex) (2050) Saturday 25 November 2023 WIN +4.3
Verheul, J.M.A. (Job) (2023) Saturday 7 October 2023 WIN +3.9
FM Bannink, B. (Bernard) (2213) Saturday 16 September 2023 LOSS -9.6