KNSB FIDE
MH

Mark Harenberg

Rated since May 2026

1164 Rapid

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
ARSLAN, C. (CAGAN) 1243
12736 2026 Chess.com Botwinnik Open Groep C · Saturday 3 January 2026
VAN DER ZWAN, WILCO 1129
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
ZWAN VAN DER, W.W.N. (WYTZE) 1122
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
Worst losses
BUSCH, J. (JAAP) 1251
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
NANDAKUMAR, K. (KESHAVSAI) 1320
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
BERENDS, D. (DANI) 1523
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
DUUREN VAN, R.R. (RUTH) 1576
12125 14e Torenstadtoernooi Groep A · Saturday 4 April 2026
KRAAN VAN DER, L. (LENNART) 1653
12736 2026 Chess.com Botwinnik Open Groep C · Friday 2 January 2026
2026 Chess.com Botwinnik Open Groep C Friday 2 January 2026 +1–5=0
14e Torenstadtoernooi Groep A Saturday 4 April 2026 +2–6=0

Rating History

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Peak Ratings

Rapid 1164 May 1, 2026

Games

Wins 3
Losses 11
Draws 0
Win Rate 21%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 0 5 29%
Black 1 0 6 14%

Recent Matches

Nandakumar, K. (Keshavsai) (1320) Saturday 4 April 2026 LOSS
Berends, D. (Dani) (1523) Saturday 4 April 2026 LOSS
Zwan van der, W.W.N. (Wytze) (1122) Saturday 4 April 2026 WIN
Duuren van, R.R. (Ruth) (1576) Saturday 4 April 2026 LOSS
van der Zwan, Wilco (1129) Saturday 4 April 2026 WIN
Busch, J. (Jaap) (1251) Saturday 4 April 2026 LOSS
Bonsen, Q. (Quinten) (1699) Saturday 4 April 2026 LOSS
Eskif, M.M. (Muhammed) (1846) Saturday 4 April 2026 LOSS
Klaverstijn, S. (Sven) Sunday 4 January 2026 LOSS
Vogelesang, H. (Hermen) Sunday 4 January 2026 LOSS
Shirvanov, K. (Kirill) Saturday 3 January 2026 LOSS
Arslan, C. (Cagan) (1243) Saturday 3 January 2026 WIN
Bosch, A.G. (Alt) Friday 2 January 2026 LOSS
Kraan van der, L. (Lennart) (1653) Friday 2 January 2026 LOSS