JO

Jan Olthof

Rated since January 2023

1731 Classic
1710 Rapid
1710 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
DOODEMAN, B. (BAS) 1698
10674 GZ Midzomertoernooi 2025 Groep A · Wednesday 11 June 2025
HORNICK, E.W. (ED) 1664
10674 GZ Midzomertoernooi 2025 Groep A · Wednesday 18 June 2025
WITTE, C.H. (CEES) 1595
12975 NHSB-competitie 2025-2026 Viertallen A t/m 08-02-2026 · Saturday 7 February 2026
GOLDEWIJK, S. (SANDER) 1541
13459 NHSB-competitie 2025-2026 Viertallen A t/m 29-03-2026 · Monday 9 March 2026
DEKKER, W.P. (WILLEM) 1520
12809 NHSB-competitie 2025-2026 Viertallen A t/m 18-01-2026 · Tuesday 13 January 2026
Worst losses
ZYAT, J. (JAMAL) 1748
11722 GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 · Wednesday 6 August 2025
SPIL, A.L. (BERT) 1941
11722 GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 · Wednesday 20 August 2025
WAERT VAN, J.J.P. (PETER) 2008
11722 GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 · Wednesday 30 July 2025
No FIDE-rated tournaments found.
NHSB-competitie 2025-2026 Viertallen A t/m 29-03-2026 Monday 1 September 2025 +1–0=0 +6.5
NHSB-competitie 2025-2026 Viertallen A t/m 08-02-2026 Monday 1 September 2025 +1–0=0 +8.4
NHSB-competitie 2025-2026 Viertallen A t/m 18-01-2026 Monday 1 September 2025 +1–0=0 +6.3
GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 Wednesday 4 June 2025 +0–3=0 -21.9
GZ Midzomertoernooi 2025 Groep A Midzomer ronde 5-8 Wednesday 4 June 2025 +0–0=1 +0.1
GZ Midzomertoernooi 2025 Groep A Wednesday 4 June 2025 +2–0=1 +22.1
NHSB-competitie 2024-2025 Viertallen A t/m 11-05-2025 Sunday 1 September 2024 +0–0=1 +2.8

Rating History

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Peak Ratings

Classic 1732 July 1, 2025
Rapid 1710 March 1, 2026
Blitz 1710 March 1, 2026

Games

Wins 5
Losses 3
Draws 3
Win Rate 45%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 3 1 43%
Black 2 0 2 50%

Recent Matches

Goldewijk, S. (Sander) (1541) Monday 9 March 2026 WIN +6.5
Witte, C.H. (Cees) (1595) Saturday 7 February 2026 WIN +8.4
Dekker, W.P. (Willem) (1520) Tuesday 13 January 2026 WIN +6.3
Spil, A.L. (Bert) (1941) Wednesday 20 August 2025 LOSS -5.8
Zyat, J. (Jamal) (1748) Wednesday 6 August 2025 LOSS -11.9
Waert van, J.J.P. (Peter) (2008) Wednesday 30 July 2025 LOSS -4.2
Buysman, J.H.M. (Co) (1736) Wednesday 9 July 2025 DRAW +0.1
Broekman, L. (Lode) (1685) Wednesday 25 June 2025 DRAW -0.9
Hornick, E.W. (Ed) (1664) Wednesday 18 June 2025 WIN +10.9
Doodeman, B. (Bas) (1698) Wednesday 11 June 2025 WIN +12.1
Hamersma, P.J. (Peter) (1789) Friday 11 April 2025 DRAW +2.8