KH

Klaas-Jan Helmantel

Rated since November 2023

921 Classic
975 Rapid

RIVALRY

Nemesis
Boomhouwer, T. (Tom)
Games: 7 · Win rate: 43%
Kryptonite
Pijper, J. (Joanne)
Games: 3 · Win rate: 0%
Easy Target
Rozendal, E. (Emma)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
STEVENS, M.W. (MANUEL) 1303
13487 GP Schaakwoude 2026 Groep A · Saturday 4 April 2026
WAGENAAR, L. (LUCAS) 1288
13487 GP Schaakwoude 2026 Groep A · Saturday 4 April 2026
KUIPERS, T. (TIMO) 1120
12376 GP Leek-Roden 2025 Groep A · Saturday 15 November 2025
SANTING, L. (LENN) 1114
12376 GP Leek-Roden 2025 Groep A · Saturday 15 November 2025
WIJNSMA, D. (DOUTZEN) 1111
12557 GP Staunton Groningen Groep A · Sunday 28 December 2025
Worst losses
BOER DE, C. (CHANTAL) 911
11325 GP Hoogeveen 2025 Groep A · Saturday 17 May 2025
BOOMHOUWER, P. (PIETER) 917
11325 GP Hoogeveen 2025 Groep A · Saturday 17 May 2025
ENSINK, I. (ISA) 937
12109 GP DTK Buitenpost 2025 Groep A · Saturday 18 October 2025
ZOMEREN VAN, J. (JASPER) 969
12109 GP DTK Buitenpost 2025 Groep A · Saturday 18 October 2025
INIA, P.J. (PIETER) 974
11325 GP Hoogeveen 2025 Groep A · Saturday 17 May 2025
GP Staunton Groningen Groep A Sunday 28 December 2025 +2–5=0 -36.1
GP Oldenkamp 2026 Groep A Saturday 9 May 2026 +2–5=0 -47.6
GP Schaakwoude 2026 Groep A Saturday 4 April 2026 +2–5=0 -14.9
GP Emmen 2026 Groep A Saturday 14 March 2026 +1–5=0 -99.6
GP Hennie Collignon 2026 Groep A Saturday 31 January 2026 +6–1=0 +71.2
GP Leek-Roden 2025 Groep A Saturday 15 November 2025 +4–3=0 +36.5
GP DTK Buitenpost 2025 Groep A Saturday 18 October 2025 +4–2=1 +43.8
GP Lytje Willem 2025 Groep A Saturday 20 September 2025 +2–3=2 -15.2
GP Haren Groep A Saturday 13 September 2025 +1–4=1 -47.8
GP Finale NOSBO-FSB 2025 Groep A Sunday 15 June 2025 +5–1=1 +102.3
GP Hoogeveen 2025 Groep A Saturday 17 May 2025 +2–3=1 +0.5

Rating History

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Peak Ratings

Classic 921 May 1, 2024
Rapid 1118 April 1, 2026

Games

Wins 31
Losses 37
Draws 6
Win Rate 42%

Performance by Color

Color Wins Draws Losses Win Rate
White 16 2 19 43%
Black 15 4 18 41%

Recent Matches

Lichtendonk, O. (Oliver) (1074) Saturday 9 May 2026 WIN +23.4
Orest, K. (Kulyk) (996) Saturday 9 May 2026 LOSS -21.0
Rozendal, E. (Emma) (1048) Saturday 9 May 2026 WIN +22.0
Nijs, F.R. (Florentijn) (1015) Saturday 9 May 2026 LOSS -19.9
Pijper, J. (Joanne) (1042) Saturday 9 May 2026 LOSS -18.4
Boomhouwer, P. (Pieter) (1065) Saturday 9 May 2026 LOSS -17.1
Vliet van der, M. (Mees) (1074) Saturday 9 May 2026 LOSS -16.6
Wal van der, L. (Lars) (1319) Saturday 4 April 2026 LOSS -9.6
Steeds, S. (Samgar) (1110) Saturday 4 April 2026 LOSS -20.5
Wagenaar, L. (Lucas) (1288) Saturday 4 April 2026 WIN +29.0
Stevens, J.M. (Jesse) (1163) Saturday 4 April 2026 LOSS -17.5
Elzinga, I.P. (Ids Pieter) (1189) Saturday 4 April 2026 LOSS -16.1
Stevens, M.W. (Manuel) (1303) Saturday 4 April 2026 WIN +29.7
Kroodsma, N. (Nills) (1313) Saturday 4 April 2026 LOSS -9.9
Boomhouwer, T. (Tom) (1025) Saturday 14 March 2026 LOSS -24.6
Rozendal, E. (Emma) (1028) Saturday 14 March 2026 LOSS -24.4
Boomhouwer, P. (Pieter) (1075) Saturday 14 March 2026 WIN +18.2
Plasman, E. (Evan) (1084) Saturday 14 March 2026 LOSS -21.3
Bezemer, M. (Maxim) (1058) Saturday 14 March 2026 LOSS -22.8
Wijnsma, D. (Doutzen) (1023) Saturday 14 March 2026 LOSS -24.7