KNSB FIDE
PM

Piet Mulder

Rated since January 2023

1853 Classic
1890 Rapid
1890 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HARTGERS, L.H. (LEENDERT) 1848
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Monday 19 January 2026
TÖBBEN, D.Y. (DOUWE) 1804
13314 KNSB competitie 2025-2026 Klasse 4 ronde 6 · Saturday 28 March 2026
MEIGNEN, GAETAN 1756
46ste Open Internationaal Toernooi Gent · Monday 21 July 2025
DE LANDTSHEER, NILS-OSCAR 1738
47th International Chess Tournament of Ghent · Tuesday 21 July 2026
BERG VAN DEN, S. (SANDRA) 1727
46ste Open Internationaal Toernooi Gent · Tuesday 22 July 2025
Worst losses
ST LOUIS, LAURENCE 1692
47th International Chess Tournament of Ghent · Tuesday 21 July 2026
VOLCKAERT, JESSE 1734
46ste Open Internationaal Toernooi Gent · Sunday 20 July 2025
SPANJER, J.M. (JORIS) 1917
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
SNUVERINK, M. (MARC) 1931
12264 KNSB competitie 2025-2026 Klasse 4 ronde 3 · Saturday 1 November 2025
JONG DE, W.P.J. (WIETSE) 1966
12593 KNSB competitie 2025-2026 Klasse 4 ronde 5 · Saturday 13 December 2025
47th International Chess Tournament of Ghent Saturday 18 July 2026 +3–3=3 -25.3
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +1–0=2 +13.4
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–1=0 -11.6
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +1–0=0 +9.9
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–1=0 -9.5
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor januari rating Saturday 20 September 2025 +0–1=0 -2.9
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–1=0 -9.9
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–0=1 +1.8
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–1=0 -11.4
KNSB competitie 2025-2026 KNSB Beker ronde 1 voor november rating Saturday 20 September 2025 +0–0=1 +2.8
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +0–1=0 -5.5
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +0–1=0 -7.1
46ste Open Internationaal Toernooi Gent Saturday 19 July 2025 +4–3=1 -19.0
NOSBO competitie 2024-2025 Mei 2025 Wednesday 1 January 2025 +1–0=1 +5.3

Rating History

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Peak Ratings

Classic 1929 June 1, 2025
Rapid 1890 May 1, 2026
Blitz 1890 May 1, 2026

Games

Wins 10
Losses 13
Draws 9
Win Rate 31%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 7 20%
Black 7 4 6 41%

Recent Matches

Van Dorpe, Filip (1709) Wednesday 22 July 2026 DRAW -5.6
De Landtsheer, Nils-Oscar (1738) Tuesday 21 July 2026 WIN +7.8
St Louis, Laurence (1692) Tuesday 21 July 2026 LOSS -18.6
FM Vrana, Frantisek (2044) Monday 20 July 2026 LOSS -7.0
Dutré, W. (Wonder) (2051) Monday 20 July 2026 DRAW +5.7
Kuhn, Axel (1694) Sunday 19 July 2026 WIN +6.5
Orban, Pieter-Jan (2025) Sunday 19 July 2026 LOSS -7.6
Melgers, J.A. (Jaap) (1619) Saturday 18 July 2026 WIN +4.6
Ishaan Sathiraju (1422) Saturday 18 July 2026 DRAW -11.1
Spanjer, J.M. (Joris) (1917) Saturday 11 April 2026 LOSS -11.6
Többen, D.Y. (Douwe) (1804) Saturday 28 March 2026 WIN +9.9
Meijer, O. (Olaf) (1977) Saturday 7 February 2026 LOSS -9.5
Londers, J. (Jan) (1903) Wednesday 21 January 2026 DRAW +0.9
Schut, P.F. (Peter) (1905) Tuesday 20 January 2026 DRAW +1.0
Hartgers, L.H. (Leendert) (1848) Monday 19 January 2026 WIN +11.5
Bakker, J.M. (Jouke) (2230) Sunday 14 December 2025 LOSS -2.9
Jong de, W.P.J. (Wietse) (1966) Saturday 13 December 2025 LOSS -9.9
Clarenburg, E. (Ewout) (1953) Saturday 22 November 2025 DRAW +1.8
Snuverink, M. (Marc) (1931) Saturday 1 November 2025 LOSS -11.4
Pastoor, E.J. (Ernst-Jan) (1984) Saturday 25 October 2025 DRAW +2.8