IO

Ivo Olthof

Rated since March 2024

1557 Classic
1649 Rapid
1649 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
WESTHOFF, P. (PAUL) 1698
11634 51e Open Seniorentoernooi 2025 Groep 5 · Tuesday 15 July 2025
Worst losses
RAVENSTEIJN, J.G.N. (JAN) 1614
14117 52e Open Seniorentoernooi 2026 Groep 7 · Friday 17 July 2026
WIJNGAARD, L. (LÚTSEN) 1629
14117 52e Open Seniorentoernooi 2026 Groep 7 · Wednesday 15 July 2026
KOOMAN, J. (KO) 1634
14117 52e Open Seniorentoernooi 2026 Groep 7 · Thursday 16 July 2026
SCHOL-GRIN, A. (ANNEKE) 1639
14117 52e Open Seniorentoernooi 2026 Groep 7 · Tuesday 14 July 2026
EKKELBOOM, B. (BERT) 1712
11634 51e Open Seniorentoernooi 2025 Groep 5 · Thursday 17 July 2025
No FIDE-rated tournaments found.
52e Open Seniorentoernooi 2026 Groep 7 Monday 13 July 2026 +0–4=0 -79.1
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +0–1=0 -12.9
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–1=0 -8.9
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1 +10.1
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–0=1 -0.7
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -13.9
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–1=0 -5.7
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–1=0 -16.7
51e Open Seniorentoernooi 2025 Groep 5 Monday 14 July 2025 +1–2=2 -25.3
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–1=0 -7.6

Team Competition

Current team
Zevenaar 2
1C · 2025-2026 · 7 games
Past teams
Zevenaar 1
HKA · 2024-2025
Zevenaar 2
2B · 2024-2025
Zevenaar 3
3D · 2024-2025
Zevenaar 2
1B · 2023-2024

Rating History

Loading rating history...

Peak Ratings

Classic 1776 March 1, 2024
Rapid 1658 March 1, 2026
Blitz 1658 March 1, 2026

Games

Wins 1
Losses 12
Draws 4
Win Rate 6%

Performance by Color

Color Wins Draws Losses Win Rate
White 0 3 8 0%
Black 1 1 4 17%

Recent Matches

Ravensteijn, J.G.N. (Jan) (1614) Friday 17 July 2026 LOSS -20.6
Kooman, J. (Ko) (1634) Thursday 16 July 2026 LOSS -19.5
Wijngaard, L. (Lútsen) (1629) Wednesday 15 July 2026 LOSS -19.8
Schol-Grin, A. (Anneke) (1639) Tuesday 14 July 2026 LOSS -19.2
Polman, J.A.P. (Hans) (1778) Monday 13 April 2026 LOSS -12.9
Fassaert, D.J.M. (Désiré) (1877) Tuesday 17 March 2026 LOSS -8.9
Valk de, J.L. (Jo) (1838) Tuesday 10 February 2026 DRAW +10.1
Huberts, Y. (Yaron) (1652) Friday 16 January 2026 DRAW -0.7
Jansen, H.J. (Henri) (1791) Tuesday 2 December 2025 LOSS -13.9
Vaessen, D. (Dion) (1851) Friday 7 November 2025 LOSS -5.7
Scheijndel van, T. (Tobi) (1774) Tuesday 7 October 2025 LOSS -16.7
Hartsuiker, J. (Jan) (1721) Friday 18 July 2025 DRAW +0.7
Ekkelboom, B. (Bert) (1712) Thursday 17 July 2025 LOSS -24.7
Braams, A.E. (Ton) (1721) Wednesday 16 July 2025 LOSS -24.1
Westhoff, P. (Paul) (1698) Tuesday 15 July 2025 WIN +23.9
Braun, E.M. (Eric) (1696) Monday 14 July 2025 DRAW -1.0
Jurrius, T. (Theo) (2015) Friday 16 May 2025 LOSS -7.6