KNSB FIDE
GB

George Boellaard

Rated since January 2023

1838 Classic
1852 Rapid
1852 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
KNOTTNERUS, I.H.A. (IVO) 2124
8122 SGA Competitie 2023-2024 1e Klasse B ronde 3 · Thursday 14 December 2023
DAMBRINK, W. (WOUTER) 1942
12190 SGA Competitie 2025-2026 1e Klasse B ronde 1 · Wednesday 15 October 2025
BUIJS, S. (SIMON) 1862
8860 SGA Competitie 2023-2024 1e Klasse B ronde 6 en 7 · Thursday 18 April 2024
HAKVOORT, R.C. (REMY) 1808
12444 SGA Competitie 2025-2026 1e Klasse B ronde 2 · Thursday 6 November 2025
NIE VAN, A. (AUKE) 1782
10521 SGA Competitie 2024-2025 1e Klasse B ronde 4 · Friday 14 February 2025
Worst losses
SLOTERDIJCK VAN, S. (SIMON) 1749
7934 SGA Competitie 2023-2024 1e Klasse B ronde 2 · Thursday 9 November 2023
BOONSTRA, J. (JASPER) 1783
6958 SGA Competitie 2022-2023 1e Klasse B ronde 6 · Monday 3 April 2023
HUIJSER, L.J. (LEON) 1793
6226 SGA Competitie 2022-2023 1e Klasse B ronde 3 · Thursday 15 December 2022
URBANUS, C.A.M. (KEES) 1800
13641 SGA Competitie 2025-2026 1e Klasse B ronde 6 · Friday 3 April 2026
RUE DE, M.P. (MISCHA) 1859
13075 SGA Competitie 2025-2026 1e Klasse B ronde 4 · Friday 13 February 2026
No FIDE-rated tournaments found.
SGA Competitie 2025-2026 1e Klasse B ronde 6 Wednesday 1 October 2025 +0–1=0 -14.3
SGA Competitie 2025-2026 1e Klasse B ronde 5 Wednesday 1 October 2025 +0–0=1 -1.2
SGA Competitie 2025-2026 1e Klasse B ronde 4 Wednesday 1 October 2025 +0–1=0 -12.7
SGA Competitie 2025-2026 1e Klasse B ronde 3 Wednesday 1 October 2025 +0–0=1 +0.2
SGA Competitie 2025-2026 1e Klasse B ronde 2 Wednesday 1 October 2025 +1–0=0 +10.9
SGA Competitie 2025-2026 1e Klasse B ronde 1 Wednesday 1 October 2025 +1–0=0 +16.0
SGA Competitie 2024-2025 1e Klasse B ronde 7 Monday 30 September 2024 +1–0=0 +10.6
SGA Competitie 2024-2025 1e Klasse B ronde 6 Monday 30 September 2024 +0–1=0 -10.2
SGA Competitie 2024-2025 1e Klasse B ronde 5 Monday 30 September 2024 +0–1=0 -10.0
SGA Competitie 2024-2025 1e Klasse B ronde 4 Monday 30 September 2024 +1–0=0 +10.6
SGA Competitie 2024-2025 1e Klasse B ronde 3 Monday 30 September 2024 +0–1=0 -5.2
SGA Competitie 2024-2025 1e Klasse B ronde 1 Monday 30 September 2024 +0–1=0 -9.0
SGA Competitie 2023-2024 1e Klasse B ronde 6 en 7 Sunday 1 October 2023 +1–1=0 +4.9
SGA Competitie 2023-2024 1e Klasse B ronde 5 Sunday 1 October 2023 +0–1=0 -8.2
SGA Competitie 2023-2024 1e Klasse B ronde 4 Sunday 1 October 2023 +0–1=0 -5.3
SGA Competitie 2023-2024 1e Klasse B ronde 3 Sunday 1 October 2023 +1–0=0 +22.8
SGA Competitie 2023-2024 1e Klasse B ronde 2 Sunday 1 October 2023 +0–1=0 -12.6
SGA Competitie 2023-2024 1e Klasse B ronde 1 Sunday 1 October 2023 +0–1=0 -4.4
SGA Competitie 2022-2023 1e Klasse B ronde 7 Saturday 1 October 2022 +0–1=0 -8.0
SGA Competitie 2022-2023 1e Klasse B ronde 6 Saturday 1 October 2022 +0–1=0 -12.3
SGA Competitie 2022-2023 1e Klasse B ronde 5 Saturday 1 October 2022 +0–0=1 +6.4
SGA Competitie 2022-2023 1e Klasse B ronde 4 Saturday 1 October 2022 +1–0=0 +10.2
SGA Competitie 2022-2023 1e Klasse B ronde 3 Saturday 1 October 2022 +0–1=0 -11.8

Rating History

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Peak Ratings

Classic 1866 Dec. 1, 2025
Rapid 1853 March 1, 2026
Blitz 1853 March 1, 2026

Games

Wins 7
Losses 14
Draws 3
Win Rate 29%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 1 8 31%
Black 3 2 6 27%

Recent Matches

Urbanus, C.A.M. (Kees) (1800) Friday 3 April 2026 LOSS -14.3
Vlak, K. (Kees) (1818) Thursday 5 March 2026 DRAW -1.2
Rue de, M.P. (Mischa) (1859) Friday 13 February 2026 LOSS -12.7
Yuonis, J.Z. (Jamal) (1872) Thursday 11 December 2025 DRAW +0.2
Hakvoort, R.C. (Remy) (1808) Thursday 6 November 2025 WIN +10.9
Dambrink, W. (Wouter) (1942) Wednesday 15 October 2025 WIN +16.0
Hof van 't, G. (Gert) (1772) Thursday 8 May 2025 WIN +10.6
Spinhoven, J. (John) (1905) Tuesday 8 April 2025 LOSS -10.2
Kok, C.H. (Carel) (1920) Thursday 20 March 2025 LOSS -10.0
Nie van, A. (Auke) (1782) Friday 14 February 2025 WIN +10.6
Roshardt, F.W.R. (Fabian) (2073) Thursday 12 December 2024 LOSS -5.2
Nieuwenbroek, M. (Mark) (1953) Thursday 17 October 2024 LOSS -9.0
Buijs, S. (Simon) (1862) Thursday 18 April 2024 WIN +13.1
Michel, S. (Steve) (1973) Friday 5 April 2024 LOSS -8.2
Wijk, B. (Bryan) (1982) Thursday 7 March 2024 LOSS -8.2
Gosman, T. (Theo) (1991) Thursday 15 February 2024 LOSS -5.3
Knottnerus, I.H.A. (Ivo) (2124) Thursday 14 December 2023 WIN +22.8
Sloterdijck van, S. (Simon) (1749) Thursday 9 November 2023 LOSS -12.6
Schoffelmeer, F. (Frans) (2021) Thursday 19 October 2023 LOSS -4.4
Kummer, F.A. (Floris) (1899) Monday 8 May 2023 LOSS -8.0