KNSB FIDE
RH

Ron Harmsen

Rated since January 2023

1560 Rapid
1596 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
PELT, J.A. (HANS) 1792
13516 SC Purmerend interne competitie 09-04-2026 t/m 09-04-2026 (090041) · Thursday 9 April 2026
GOOSEN, W. (WLADIMIR) 1581
13381 SC Purmerend interne competitie 26-02-2026 t/m 19-03-2026 (090041) · Thursday 5 March 2026
STEUR VAN DER, A. (AD) 1562
13629 NHSB Lenteveteranentoernooi 2026 Groep B 2026 · Wednesday 11 March 2026
WAL VAN DER, G. (GEERT) 1511
13125 SC Purmerend interne competitie 29-01-2026 t/m 19-02-2026 (090041) · Thursday 12 February 2026
PAL VAN DER, R. (RICHARD) 1493
12923 SC Purmerend interne competitie 08-01-2026 t/m 22-01-2026 (090041) · Thursday 22 January 2026
Worst losses
MEIRMANS, R. (RUBEN) 1315
13516 SC Purmerend interne competitie 09-04-2026 t/m 09-04-2026 (090041) · Thursday 9 April 2026
POEL, J.E. (JACOB) 1421
13516 SC Purmerend interne competitie 09-04-2026 t/m 09-04-2026 (090041) · Thursday 9 April 2026
GOOIJERS, R. (RICHARD) 1422
13629 NHSB Lenteveteranentoernooi 2026 Groep B 2026 · Wednesday 4 March 2026
GANZEMAN, K. (KAZ) 1508
13418 SC Purmerend interne competitie 26-03-2026 t/m 26-03-2026 (090041) · Thursday 26 March 2026
BREEUWSMA, H. (HENK) 1584
13381 SC Purmerend interne competitie 26-02-2026 t/m 19-03-2026 (090041) · Thursday 26 February 2026
No FIDE-rated tournaments found.
SC Purmerend interne competitie 09-04-2026 t/m 09-04-2026 (090041) Thursday 9 April 2026 +1–6=1 -50.0
NHSB Lenteveteranentoernooi 2026 Groep B 2026 Wednesday 4 March 2026 +2–2=3 -12.5
SC Purmerend interne competitie 23-04-2026 t/m 23-04-2026 (090041) Thursday 4 September 2025 +0–2=0 -10.4
SC Purmerend interne competitie 02-04-2026 t/m 16-04-2026 (090041) Thursday 4 September 2025 +0–0=2 -5.3
SC Purmerend interne competitie 26-03-2026 t/m 26-03-2026 (090041) Thursday 4 September 2025 +0–1=1 -10.0
SC Purmerend interne competitie 26-02-2026 t/m 19-03-2026 (090041) Thursday 4 September 2025 +1–2=0 -12.3
SC Purmerend interne competitie 29-01-2026 t/m 19-02-2026 (090041) Thursday 4 September 2025 +1–0=0 +9.9
SC Purmerend interne competitie 05-02-2026 t/m 05-02-2026 (090041) Thursday 4 September 2025 +0–2=0 -20.2
SC Purmerend interne competitie 08-01-2026 t/m 22-01-2026 (090041) Thursday 4 September 2025 +2–1=0 +6.3
NHSB-competitie 2025-2026 Klasse 3C t/m 22-03-2026 Monday 1 September 2025 +0–1=0 -3.7
NHSB-competitie 2025-2026 Klasse 3C t/m 22-02-2026 Monday 1 September 2025 +0–1=0 -5.4

Rating History

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Peak Ratings

Classic 1664 April 1, 2025
Rapid 1618 April 1, 2025
Blitz 1646 May 1, 2025

Games

Wins 7
Losses 18
Draws 7
Win Rate 22%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 8 19%
Black 4 2 10 25%

Recent Matches

Pelt, J.A. (Hans) (1772) Thursday 23 April 2026 LOSS -6.0
Lankveld van, K.J.A. (Koen) (1836) Thursday 23 April 2026 LOSS -4.4
Folkertsma, P. (Peter) (1617) Wednesday 22 April 2026 DRAW +1.5
Triep, R.M. (Rob) (1503) Thursday 16 April 2026 DRAW -2.5
Boesenkool, R. (Roel) (1612) Wednesday 15 April 2026 LOSS -11.2
Poel, J.E. (Jacob) (1421) Thursday 9 April 2026 LOSS -19.6
Pelt, J.A. (Hans) (1792) Thursday 9 April 2026 WIN +17.4
Bilochenko, O.V. (Oleksandr) (1819) Thursday 9 April 2026 LOSS -6.8
Groot, C.J. (Cornelis) (1731) Thursday 9 April 2026 LOSS -9.6
Meirmans, R. (Ruben) (1315) Thursday 9 April 2026 LOSS -21.9
Wijnen, M.C. (Ties) (1806) Thursday 9 April 2026 LOSS -7.2
Puister, R.M. (Rudolf) (1662) Thursday 9 April 2026 DRAW +0.6
Mirani, R. (Robbert) (1990) Thursday 9 April 2026 LOSS -2.9
Dijker, P. (Pieter) (1568) Wednesday 8 April 2026 DRAW -0.2
Poel, J.E. (Jacob) (1494) Thursday 2 April 2026 DRAW -2.8
Passtoors, W. (Wim) (1380) Wednesday 1 April 2026 WIN +6.2
Ganzeman, K. (Kaz) (1508) Thursday 26 March 2026 LOSS -15.0
Schlebaum, E. (Evert) (1730) Thursday 26 March 2026 DRAW +5.0
Meij, J.M. (Jim) (1529) Wednesday 25 March 2026 DRAW -2.2
Lute, C.N.A. (Kees) (1888) Thursday 19 March 2026 LOSS -3.7