KNSB FIDE
JO

John Onderdelinden

Rated since March 2026

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
NIEUWENHUIZEN VAN, J.H. (HANS) 1971
12467 RSB Competitie 2025-2026 Achtallen november · Monday 3 November 2025
VEGT VAN DER, J.M. (MAARTEN) 1878
11337 RSB Competitie 2024-2025 8-tallen mei · Tuesday 20 May 2025
Worst losses
RENSEN, M.A. (MARTIN) 1879
12667 RSB Competitie 2025-2026 Achtallen december · Tuesday 2 December 2025
WIT DE, C. (COR) 1945
13177 RSB Competitie 2025-2026 Achttallen februari · Tuesday 24 February 2026
VROEGINDEWEIJ, W. (WOUTER) 1978
12469 RSB Competitie 2025-2026 Beker ronde 1 · Saturday 1 November 2025
CLERCQ LE, M. (MAXIM) 2119
11910 RSB Competitie 2025-2026 Achttallen september · Tuesday 23 September 2025
No FIDE-rated tournaments found.
RSB Competitie 2025-2026 Achttallen februari Monday 1 September 2025 +0–1=0 -13.6
RSB Competitie 2025-2026 Achtallen december Monday 1 September 2025 +0–1=0 -16.3
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +1–0=0 +11.7
RSB Competitie 2025-2026 Beker ronde 1 Monday 1 September 2025 +0–1=0 -13.0
RSB Competitie 2025-2026 Achttallen september Monday 1 September 2025 +0–1=0 -8.5
RSB Competitie 2024-2025 8-tallen mei Sunday 1 September 2024 +1–0=0 +8.6

Rating History

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Peak Ratings

Classic 1962 March 1, 2026
Rapid 1962 March 1, 2026
Blitz 1962 March 1, 2026

Games

Wins 2
Losses 4
Draws 0
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 0 0 0 0%
Black 2 0 4 33%

Recent Matches

Wit de, C. (Cor) (1945) Tuesday 24 February 2026 LOSS -13.6
Rensen, M.A. (Martin) (1879) Tuesday 2 December 2025 LOSS -16.3
Nieuwenhuizen van, J.H. (Hans) (1971) Monday 3 November 2025 WIN +11.7
Vroegindeweij, W. (Wouter) (1978) Saturday 1 November 2025 LOSS -13.0
Clercq le, M. (Maxim) (2119) Tuesday 23 September 2025 LOSS -8.5
Vegt van der, J.M. (Maarten) (1878) Tuesday 20 May 2025 WIN +8.6