KNSB FIDE
ML

Mark van der Leek

Rated since January 2023

1908 Classic
1918 Rapid
1815 Blitz

RIVALRY

Nemesis
Deij, C. (Casper)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
LANDMAN, R.P.M. (RENZO) 2077
11661 Open NK Rapid Groep A · Saturday 2 May 2026
MARGARYAN, A. (AREN) 2051
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
DOBROVOLSKA-RAKHNINA, BOZHENA 1961
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
GEEST VAN DER, F.J. (FRISO) 1941
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
RAMDIEN, R.S. (RYAN) 1892
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Sunday 19 July 2026
Worst losses
KHANNA, PRANAV 1617
13483 Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A · Friday 10 July 2026
MARCELIS, R.W.H.J. (RONALD) 1663
13483 Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A · Friday 10 July 2026
OOSTENBRUG, M.J. (THIJS) 1723
13483 Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A · Friday 10 July 2026
DEIJ, C. (CASPER) 1728
12529 Open Dordrecht Rapidtoernooi Open Dordrecht · Saturday 28 February 2026
ELFERINK, D.A. (DUNCAN) 1762
13155 Johan Van Mil Snelschaak toernooi Groep A · Sunday 26 April 2026
Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A Friday 10 July 2026 +5–6=2 -84.2
Open NK Rapid Groep A Saturday 2 May 2026 +4–4=1 +22.3
Johan Van Mil Snelschaak toernooi Groep A Sunday 26 April 2026 +10–9=0 -20.9
ASV Voorjaarstoernooi ASV Voorjaarstoernooi groep B Saturday 21 March 2026 +3–1=3 +25.8
Open Dordrecht Rapidtoernooi Open Dordrecht Saturday 28 February 2026 +3–3=3 -43.6
Oscar Romero Open Hoorns Kampioenschap 2026 + PK NHSB Groep B Friday 14 August 2026 +3–1=1 +23.6
Amsterdam Chess Festival Weekendvierkampen 2026 Groep A Friday 17 July 2026 +1–1=1 +4.4
Sliedrecht Open Rapid 2026 Open Groep A Saturday 18 April 2026 +5–3=1 +28.6

Rating History

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Peak Ratings

Classic 1908 Sept. 1, 2026
Rapid 1918 June 1, 2026
Blitz 1920 Oct. 1, 2025

Games

Wins 34
Losses 28
Draws 12
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 16 7 13 44%
Black 18 5 15 47%

Recent Matches

Huhn, Arik (1819) Sunday 16 August 2026 DRAW -5.6
Heer de, H.J.J. (Henk) (1849) Sunday 16 August 2026 WIN +28.1
Mes, E. (Chay) (1685) Saturday 15 August 2026 WIN +15.2
Menyah, Kwesi (1807) Friday 14 August 2026 LOSS -37.8
Kuijs, G.P.H.M. (Gerard) (1797) Friday 14 August 2026 WIN +23.7
Ramdien, R.S. (Ryan) (1892) Sunday 19 July 2026 WIN +37.2
Dekker, A. (Albert) (1890) Saturday 18 July 2026 DRAW +1.0
Steur, E.T.M. (Erik) (1902) Friday 17 July 2026 LOSS -33.8
Khanna, Pranav (1617) Friday 10 July 2026 LOSS -24.6
Winsemius, J. (Jan) (1981) Friday 10 July 2026 LOSS -11.4
Moor de, B. (Bart) (1609) Friday 10 July 2026 WIN +4.6
Bernecker, N. (Niels) (1725) Friday 10 July 2026 WIN +8.0
Vonken, B.J.M. (Bob) (1805) Friday 10 July 2026 LOSS -18.5
Ploeg van der, M.L.N. (Mark) (1965) Friday 10 July 2026 DRAW +2.7
Suldin, S.S. (Serhii) (1702) Friday 10 July 2026 DRAW -7.5
Rijnders, M. (Michiel) (1762) Friday 10 July 2026 WIN +9.3
Hwang, H. (Hye-Jun) (1488) Friday 10 July 2026 WIN +2.2
Marcelis, R.W.H.J. (Ronald) (1663) Friday 10 July 2026 LOSS -23.4
Oostenbrug, M.J. (Thijs) (1723) Friday 10 July 2026 LOSS -21.5
Wierenga, J. (Jaël) (2135) Friday 10 July 2026 LOSS -6.0