KNSB FIDE
HD

Harm Jan Dijkstra

Rated since January 2023

1761 Classic
1807 Rapid
1750 Blitz

RIVALRY

Nemesis
Dolle, J. (Jos)
Games: 3 · Win rate: 33%
Kryptonite
Zeinstra, R. (Rein)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
DOLLE, J. (JOS) 1805
12588 S.C. Westergoo interne competitie 09-09-2025 t/m 09-12-2025 (010034) · Tuesday 9 September 2025
BOER DE, F. (FOKKE) 1803
12588 S.C. Westergoo interne competitie 09-09-2025 t/m 09-12-2025 (010034) · Tuesday 25 November 2025
PAL VAN DER, H.N.J. (HESSEL) 1765
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Wednesday 28 January 2026
SIKMA, P. (PIET) 1734
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Tuesday 14 April 2026
HYLKEMA, L. (LAMBERTUS) 1609
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Tuesday 17 March 2026
Worst losses
BOTTEMA, T. (TJESSE) 1673
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Tuesday 3 March 2026
DOLLE, J. (JOS) 1805
12588 S.C. Westergoo interne competitie 09-09-2025 t/m 09-12-2025 (010034) · Tuesday 9 December 2025
ZEINSTRA, R. (REIN) 1809
12588 S.C. Westergoo interne competitie 09-09-2025 t/m 09-12-2025 (010034) · Tuesday 30 September 2025
BLAESER, T. (THYS) 1868
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Tuesday 24 March 2026
OOSTRUM VAN, G. (GERRIT) 1934
13894 Interne competitie Westergoo seizoen 25/26 2e helft Groep A · Tuesday 10 February 2026
No FIDE-rated tournaments found.
Interne competitie Westergoo seizoen 25/26 2e helft Groep A Tuesday 6 January 2026 +4–3=4 +10.6
S.C. Westergoo interne competitie 09-09-2025 t/m 09-12-2025 (010034) Tuesday 9 September 2025 +3–4=4 -15.8

Rating History

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Peak Ratings

Classic 1808 March 1, 2024
Rapid 1807 March 1, 2025
Blitz 1750 March 1, 2026

Games

Wins 7
Losses 7
Draws 8
Win Rate 32%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 4 4 33%
Black 3 4 3 30%

Recent Matches

Sikma, P. (Piet) (1734) Tuesday 14 April 2026 WIN +11.9
Zeinstra, R. (Rein) (1791) Tuesday 7 April 2026 DRAW +1.4
Dolle, J. (Jos) (1813) Tuesday 31 March 2026 DRAW +2.2
Blaeser, T. (Thys) (1868) Tuesday 24 March 2026 LOSS -8.5
Hylkema, L. (Lambertus) (1609) Tuesday 17 March 2026 WIN +7.8
Bottema, T. (Tjesse) (1673) Tuesday 3 March 2026 LOSS -15.2
Hylkema, J. (Jouke) (1717) Tuesday 24 February 2026 DRAW -1.2
Oostrum van, G. (Gerrit) (1934) Tuesday 10 February 2026 LOSS -6.5
Pal van der, H.N.J. (Hessel) (1765) Wednesday 28 January 2026 WIN +13.0
Burggraaff, F. (Fokke) (1473) Tuesday 13 January 2026 WIN +4.2
Zeinstra, R. (Rein) (1791) Tuesday 6 January 2026 DRAW +1.4
Dolle, J. (Jos) (1805) Tuesday 9 December 2025 LOSS -11.1
Viersma, M. (Murk) (1965) Wednesday 3 December 2025 LOSS -6.1
Boer de, F. (Fokke) (1803) Tuesday 25 November 2025 WIN +13.8
Buglak, E. (Egor) (1321) Tuesday 18 November 2025 WIN +1.5
Sikma, P. (Piet) (1700) Tuesday 4 November 2025 DRAW -2.3
Hylkema, J. (Jouke) (1716) Tuesday 28 October 2025 DRAW -2.0
Vries de, H. (Herman) (1579) Tuesday 21 October 2025 DRAW -6.3
Bergsma, T. (Taeke) (1748) Tuesday 14 October 2025 DRAW -0.9
Zeinstra, R. (Rein) (1809) Tuesday 30 September 2025 LOSS -11.3