KNSB FIDE
JM

Joah Mulder

Rated since January 2024

1566 Classic
1512 Rapid
1566 Blitz

RIVALRY

Nemesis
Mustafov, B. (Berk)
Games: 3 · Win rate: 33%
Kryptonite
Groenheijde, J.W. (Wim)
Games: 3 · Win rate: 0%
Easy Target
Kouters, M.J.H.E. (Tiny)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
ROTTIER, C.R. (COLLIN) 1586
10103 Grand Prix DZD Kruiningen Groep ABC · Saturday 17 May 2025
MUSTAFOV, B. (BERK) 1555
10103 Grand Prix DZD Kruiningen Groep ABC · Saturday 17 May 2025
AKBAS, T. (TURAN) 1450
9510 GrandPrix Goes Groep ABC · Sunday 6 October 2024
EENENNAAM VAN, D. (DAMIAN) 1369
9510 GrandPrix Goes Groep ABC · Sunday 6 October 2024
KOUTERS, M.J.H.E. (TINY) 1349
11995 KNSB competitie 2025-2026 Klasse 6 ronde 1 · Saturday 4 October 2025
Worst losses
DUYNKERKE, C.J.G. (JULIAN) 827
7763 Pepernoten Toernooi Groep ABC · Saturday 2 December 2023
NIEUWENHUIZE, S.P. (STIJN) 912
7763 Pepernoten Toernooi Groep ABC · Saturday 2 December 2023
HEIJLIGERS, T.C. (THOMAS) 1097
9510 GrandPrix Goes Groep ABC · Sunday 6 October 2024
MUSTAFOV, B. (BERK) 1100
7763 Pepernoten Toernooi Groep ABC · Saturday 2 December 2023
ZOOTJES, A. (AÄRON) 1278
7763 Pepernoten Toernooi Groep ABC · Saturday 2 December 2023
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–2=0
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +0–0=3
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +4–0=0
Grand Prix DZD Kruiningen Groep ABC Saturday 17 May 2025 +3–3=0 +59.3
Pepernoten Toernooi (GrandPrix) Groep ABC Saturday 30 November 2024 +2–3=1 -29.6
GrandPrix Goes Groep ABC Sunday 6 October 2024 +3–4=0 +1.8
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +4–0=0
Pepernoten Toernooi Groep ABC Saturday 2 December 2023 +2–5=0 -54.5

Rating History

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Peak Ratings

Classic 1752 Dec. 1, 2025
Rapid 1512 May 1, 2026
Blitz 1566 April 1, 2026

Games

Wins 18
Losses 18
Draws 4
Win Rate 45%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 0 9 53%
Black 8 4 9 38%

Recent Matches

Ginneken van, J. (Jos) (1699) Saturday 7 February 2026 LOSS
Goedegebuur, R. (Robert) (1796) Saturday 13 December 2025 LOSS
Goedegebuur, R. (Robert) (1796) Saturday 13 December 2025 LOSS
Groenheijde, J.W. (Wim) (1695) Saturday 22 November 2025 DRAW
Groenheijde, J.W. (Wim) (1695) Saturday 22 November 2025 DRAW
Groenheijde, J.W. (Wim) (1695) Saturday 22 November 2025 DRAW
Kouters, M.J.H.E. (Tiny) (1349) Saturday 4 October 2025 WIN
Kouters, M.J.H.E. (Tiny) (1349) Saturday 4 October 2025 WIN
Kouters, M.J.H.E. (Tiny) (1349) Saturday 4 October 2025 WIN
Kouters, M.J.H.E. (Tiny) (1349) Saturday 4 October 2025 WIN
Kok de, T.J.C. (Thijs) (1243) Saturday 17 May 2025 WIN +14.5
Girgis, D. (Daniël) (1967) Saturday 17 May 2025 LOSS -1.1
Rottier, C.R. (Collin) (1586) Saturday 17 May 2025 WIN +36.2
Mustafov, B. (Berk) (1555) Saturday 17 May 2025 WIN +34.5
Mulder, Q.J. (Quinn) (1520) Saturday 17 May 2025 LOSS -15.9
Tkacenko, K. (Kostia) (1647) Saturday 17 May 2025 LOSS -9.0
Verdult, E. (Ed) Saturday 8 March 2025 WIN
Verdult, E. (Ed) Saturday 8 March 2025 WIN
Verdult, E. (Ed) Saturday 8 March 2025 WIN
Verdult, E. (Ed) Saturday 8 March 2025 WIN