Bar Blitz KNSB FIDE
RZ

Ronny Zeilemaker

Rated since November 2023

1805 Classic
1741 Rapid
1670 Blitz
Ronny's accounts
FIDE KNSB

Team Competition

Current team
Assendelft 1
Klasse 6F · 2025-2026 · 6 games

The good & the bad

Best wins
Moreno, P. (Paulo) 1861
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
Los, E. (Evan) 1860
13120 85e Daniel Noteboomtoernooi Groep B · Friday 20 February 2026
Bergh van den, G. (Gerard) 1859
13019 NHSB-competitie 2025-2026 Klasse 3C t/m 15-02-2026 · Friday 13 February 2026
Greven, R. (Ron) 1849
12313 Schaken op de Dijk Achtkampen · Saturday 8 November 2025
Wit de, J. (Jim) 1823
13504 TAPIJTGIGANT OPEN ASK 2026 Groep C · Monday 6 April 2026
Worst losses
Sala, F. (Frank) 1579
11667 KC Open Groep A · Friday 17 October 2025
Au, W. (Willy) 1640
11179 Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 8 · Saturday 5 April 2025
Graaskamp, G.H. (Harry) 1660
11436 HSG Open 2025 Groep D · Saturday 21 June 2025
Beliën, R. (Roan) 1680
11078 TAPIJTGIGANT OPEN ASK 2025 Groep C · Saturday 19 April 2025
Drenthen, A. (Abel) 1732
11078 TAPIJTGIGANT OPEN ASK 2025 Groep C · Sunday 20 April 2025
TAPIJTGIGANT OPEN ASK 2026 Groep C Saturday 4 April 2026 +3–2=0 +14.2
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +1–5=0 -26.5
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +0–3=0 -42.5
TAPIJTGIGANT OPEN ASK 2025 Groep C Saturday 19 April 2025 +3–3=0 -1.2
Haarlem Open Groep A Friday 6 March 2026 +2–1=1 -2.0
Haarlem Open Groep A Friday 6 March 2026 +2–1=0 +3.8
Schaken op de Dijk Achtkampen Saturday 8 November 2025 +2–4=1 -16.8
13e Best of the West Groep B, ronde 7 Saturday 18 October 2025 +0–1=0 -12.3
13e Best of the West Groep B, ronde 6 Saturday 18 October 2025 +1–0=0 +11.3
13e Best of the West Groep B, ronde 5 Saturday 18 October 2025 +1–0=0 +7.5
13e Best of the West Groep B, ronde 4 Saturday 18 October 2025 +0–0=1 -3.1
13e Best of the West Groep B, ronde 2 Saturday 18 October 2025 +1–0=0 +8.9
13e Best of the West Groep B, ronde 1 Saturday 18 October 2025 +1–0=0 +8.6
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +1–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +1–0=0 +12.1
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +16.1
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +1–0=0 +13.4
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +8.8
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +1–0=0 +8.5
KC Open Groep A Friday 5 September 2025 +2–3=0 -31.5
NHSB-competitie 2025-2026 Klasse 3C t/m 22-03-2026 Monday 1 September 2025 +1–0=0 +3.9
NHSB-competitie 2025-2026 Klasse 3C t/m 15-02-2026 Monday 1 September 2025 +1–0=0 +16.1
NHSB-competitie 2025-2026 Klasse 3C t/m 21-12-2025 Monday 1 September 2025 +1–0=0 +10.0
NHSB-competitie 2025-2026 Zilver t/m 28-11-2025 Monday 1 September 2025 +0–1=0 -8.2
NHSB-competitie 2025-2026 Klasse 3C t/m 09-11-2025 Monday 1 September 2025 +1–0=0 +6.0
NHSB-competitie 2025-2026 Klasse 3C t/m 12-10-2025 Monday 1 September 2025 +1–0=0 +8.9
De Volewijckers Weekendvierkamp 2025 Groep 7 Friday 4 July 2025 +2–1=0 +13.2
HSG Open 2025 Groep D Friday 20 June 2025 +2–2=1 -2.1
Haarlem Open Groep A Friday 7 March 2025 +4–2=0 +4.4
KC Vierkamp Groep Z Friday 7 February 2025 +2–0=1 +35.8
12e Best of the West Groep B, rondes 6 en 7 Saturday 28 September 2024 +2–0=0 +27.9
12e Best of the West Groep B, ronde 5 Saturday 28 September 2024 +1–0=0
12e Best of the West Groep B, ronde 4 Saturday 28 September 2024 +1–0=0 +12.6
Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 9 Saturday 21 September 2024 +1–0=0 +11.3
Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 8 Saturday 21 September 2024 +0–1=0 -23.4
Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 7 Saturday 21 September 2024 +1–0=0 +20.3
Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 6 Saturday 21 September 2024 +0–0=1 -2.2

Rating History

Loading KNSB rating history...

Peak Ratings

Classic 1817 June 1, 2026
Rapid 1741 Dec. 1, 2025
Blitz 1670 Jan. 1, 2025

Games

Wins 46
Losses 30
Draws 6
Win Rate 56%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 23 2 16 56%
Black 23 4 14 56%

Recent KNSB Matches

Peper, J.P.C. (Jeroen) (1822) Saturday 13 June 2026 LOSS -12.3
Kerbosch, M.P. (Matthieu Philip) (1770) Saturday 9 May 2026 WIN +11.3
Bartman, V. (Victor) (1637) Saturday 18 April 2026 WIN +7.5
Bentum van, A.J. (Guus) (1586) Thursday 16 April 2026 WIN +6.1
Roosink, T. (Tim) (1974) Tuesday 7 April 2026 LOSS -6.4
Wit de, J. (Jim) (1823) Monday 6 April 2026 WIN +13.8
Verhoef, H.A. (Harry) (1793) Monday 6 April 2026 LOSS -12.3
Boughdir, I. (Ilias) (1837) Sunday 5 April 2026 LOSS -10.7
Speckamp, J. (Jeroen) (1736) Saturday 4 April 2026 WIN +10.8
Krul, J. (Johan) (1791) Saturday 4 April 2026 WIN +12.7
Liebergen van, W.J.R. (Wouter) (1739) Wednesday 1 April 2026 DRAW -1.6
Sluijs van der, G. (Guido) Saturday 28 March 2026 WIN
Aar van der, P. (Pim) Wednesday 25 March 2026 WIN
Wal van der, G. (Geert) (1478) Thursday 19 March 2026 WIN +3.9
Eshuijs, J. (Jeffrey) (1678) Wednesday 18 March 2026 WIN +9.4
Eshuijs, J. (Jeffrey) (1678) Thursday 12 March 2026 DRAW -3.1
Alekseev, M. (Mikhail) (1985) Tuesday 10 March 2026 LOSS -5.6
Paraszczuk, K. (Kacper) (1756) Saturday 7 March 2026 WIN +12.1
Boyd, I. (Inga) Friday 6 March 2026 WIN
Terwee, S.J.S. (Sybe) (1762) Sunday 22 February 2026 LOSS -12.8