KNSB FIDE

Ronald Zollinger

Rated since January 2023

RIVALRY

Nemesis

Brouwer, J. (Joey)

Games: 3 · Win rate: 0%

The good & the bad

Best wins

STERK, M. (MARC) 1997

9649 SOS Competitie 2024/2025 2024-12 · Thursday 12 December 2024

BOXBERG, O.G. (OLIVER) 1948

9648 SOS Competitie 2024/2025 2024-11 · Friday 15 November 2024

HUBERT, M. (MICHEL) 1931

5714 SOS Competitie 2022/2023 Maart 2023(HK) · Friday 24 March 2023

KOPPELAAR, P. (PIETER) 1823

12777 SOS competitie 2025/2026 Lijst 1 mei · Monday 13 April 2026

EGGINK, R. (RONNIE) 1813

5711 SOS Competitie 2022/2023 December 2022 · Friday 23 December 2022

Worst losses

JONG DE, W. (WIM) 1651

8099 SOS Competitie 2023/2024 Februari 2024 · Friday 9 February 2024

BOS VAN DEN, R. (RAYMOND) 1690

6966 KNSB competitie 2022-2023 Klasse 3 ronde 8 · Saturday 1 April 2023

VELDEN VAN DER, A. (ALAIN) 1833

5715 SOS Competitie 2022/2023 April 2023(HK) · Friday 14 April 2023

CLAESSEN, A.L. (TONIE) 1834

11992 KNSB competitie 2025-2026 Klasse 3 ronde 2 · Saturday 4 October 2025

ESKIF, M.M. (MUHAMMED) 1844

12776 SOS competitie 2025/2026 Lijst 1 apr · Friday 20 March 2026

No FIDE-rated tournaments found.

KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +0–1=0 -0.2

KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +0–2=0 -14.9

KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +0–2=0 -17.3

KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–0=1 -0.8

KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +0–1=0 -7.9

KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–1=0 -10.1

KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +0–0=1 +3.1

KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +0–1=0 -13.6

KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–1=0 -8.6

SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–0=0 +12.7

SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–2=0 -25.2

SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1

SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +1–0=0 +10.1

SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 +1.4

SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 +0.1

KNSB competitie 2024-2025 Klasse 3 ronde 9 Saturday 21 September 2024 +0–0=1 -2.6

KNSB competitie 2024-2025 Klasse 3 ronde 8 Saturday 21 September 2024 +0–1=0 -10.0

KNSB competitie 2024-2025 Klasse 3 ronde 7 Saturday 21 September 2024 +0–1=0 -4.3

KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +0–0=1

KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–0=1 +3.2

KNSB competitie 2024-2025 Klasse 3 ronde 4 Saturday 21 September 2024 +0–1=0 -5.5

KNSB competitie 2024-2025 Klasse 3 ronde 2 Saturday 21 September 2024 +0–0=1 +3.9

SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–0=1 +3.4

SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–0=1 +0.4

SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +0–1=0 -11.9

SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -11.9

SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +1–0=0 +16.1

SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +1–0=0 +14.7

SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–0=1 +3.2

KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–0=1 -3.2

KNSB competitie 2023-2024 Klasse 3 ronde 5 Saturday 16 September 2023 +0–1=0 -5.3

SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +0–0=1 -0.1

SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +10.1

SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +0–1=0 -17.5

SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +0–0=1 +5.1

SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–0=1 -4.5

SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +1–0=0 +9.0

SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–0=1 -2.0

SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +1–0=0 +4.8

KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–1=0 -17.0

KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +1–0=0 +11.1

SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–1=0 -12.1

SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +1–0=0 +17.1

SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 +0.6

SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +0–0=1 -6.4

SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +1–0=0 +13.4

Rating History

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Peak Ratings

Classic 1912 Jan. 1, 2025

Rapid 1847 March 1, 2026

Blitz 1847 March 1, 2026

Games

Wins 10

Losses 20

Draws 19

Win Rate 20%

Performance by Color

Color	Wins	Draws	Losses	Win Rate
White	6	14	8	21%
Black	4	5	12	19%

Recent Matches

Koppelaar, P. (Pieter) (1823) Monday 13 April 2026 WIN +12.7

GM Reinderman, D. (Dimitri) (2528) Saturday 11 April 2026 LOSS -0.2

Heijnekamp, N. (Niels) (1998) Saturday 28 March 2026 LOSS -7.5

Eskif, M.M. (Muhammed) (1844) Friday 20 March 2026 LOSS -12.6

Brouwer, J. (Joey) (1960) Saturday 7 March 2026 LOSS -8.7

Boekhorst, R.B.W.J. (Rene) Tuesday 10 February 2026 DRAW

Schoenmakers, P.W.J. (Paul) (1826) Saturday 7 February 2026 DRAW -0.8

Viergever, M.A. (Max) (1984) Saturday 13 December 2025 LOSS -7.9

Scheijndel van, T. (Tobi) (1783) Friday 28 November 2025 WIN +10.1

Janse, E.W. (Erik) (1921) Saturday 22 November 2025 LOSS -10.1

Ottenheijm, J.W.M. (Jacques) (1891) Tuesday 11 November 2025 DRAW +1.4

Harbers, G.J.M. (Gerard) (1941) Saturday 1 November 2025 DRAW +3.1

Zhao, N. (Nick) (1868) Friday 10 October 2025 DRAW +0.1

Claessen, A.L. (Tonie) (1834) Saturday 4 October 2025 LOSS -13.6

Reedijk, P.J. (Peter) (1989) Saturday 20 September 2025 LOSS -8.6

Akkeren van, A.J.H.D. (Arno) (1974) Friday 16 May 2025 DRAW +3.4

Broekkamp, C.L.E. (Chris) (1798) Saturday 10 May 2025 DRAW -2.6