JO

Jos Ouwerkerk

Rated since January 2023

1964 Classic
1947 Rapid
1947 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
NIET DE, G.M. (GERT-MICHIEL) 2045
13636 LeiSB regionale competitie 25-26 1e klasse april · Thursday 26 March 2026
PAVOORDT VAN DE, F.J. (FRANK) 1888
12155 LeiSB regionale competitie 25-26 1e klasse oktober · Tuesday 14 October 2025
BORST, J.J.M. (JAN) 1886
9745 LeiSB competitie 2024-2025 2 28-10-24-11 · Tuesday 5 November 2024
SPEEK, N.S.G. (NOMAD) 1843
11183 LeiSB competitie 2024-2025 2e 26-3 25-4 3e poging · Tuesday 15 April 2025
NOUWENS, J. (JEROEN) 1831
12654 LeiSB regionale competitie 25-26 1e klasse december · Tuesday 16 December 2025
Worst losses
GRONDSMA, M.B. (MARK) 2087
12429 LeiSB regionale competitie 25-26 1e klasse november · Tuesday 18 November 2025
No FIDE-rated tournaments found.
LeiSB regionale competitie 25-26 1e klasse april Wednesday 1 October 2025 +1–0=1 +16.4
LeiSB regionale competitie 25-26 Hoofdklasse april Wednesday 1 October 2025 +0–0=1 +0.7
LeiSB regionale competitie 25-26 1e klasse januari 2026 Wednesday 1 October 2025 +0–0=1 -0.1
LeiSB regionale competitie 25-26 1e klasse december Wednesday 1 October 2025 +1–0=0 +8.9
LeiSB regionale competitie 25-26 1e klasse november Wednesday 1 October 2025 +0–1=0 -7.8
LeiSB regionale competitie 25-26 1e klasse oktober Wednesday 1 October 2025 +1–0=0 +10.9
LeiSB competitie 2024-2025 H 26-3 25-4 Monday 7 October 2024 +0–0=1 -1.9
LeiSB competitie 2024-2025 2e 26-3 25-4 3e poging Monday 7 October 2024 +1–0=0 +9.6
LeiSB competitie 2024-2025 H 23-2 25-3 Monday 7 October 2024 +0–0=1 +0.5
LeiSB competitie 2024-2025 2e 19-12 22-1 Monday 7 October 2024 +0–0=1 -2.0
LeiSB competitie 2024-2025 H 19-12 22-1 Monday 7 October 2024 +0–0=1 -0.9
LeiSB competitie 2024-2025 2e 25-11-16-12 Monday 7 October 2024 +0–0=1 +2.0
LeiSB competitie 2024-2025 2 28-10-24-11 Monday 7 October 2024 +1–0=0 +11.4

Rating History

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Peak Ratings

Classic 1964 May 1, 2026
Rapid 1947 March 1, 2026
Blitz 1947 March 1, 2026

Games

Wins 5
Losses 1
Draws 8
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 6 0 33%
Black 2 2 1 40%

Recent Matches

Lafeber, E. (Evert) (1962) Tuesday 21 April 2026 DRAW +0.5
Weerd de, J.E. (Just) (1967) Tuesday 14 April 2026 DRAW +0.7
Niet de, G.M. (Gert-Michiel) (2045) Thursday 26 March 2026 WIN +15.9
Bruinen, E. (Ed) (1945) Thursday 8 January 2026 DRAW -0.1
Nouwens, J. (Jeroen) (1831) Tuesday 16 December 2025 WIN +8.9
Grondsma, M.B. (Mark) (2087) Tuesday 18 November 2025 LOSS -7.8
Pavoordt van de, F.J. (Frank) (1888) Tuesday 14 October 2025 WIN +10.9
Offeren van, R. (Richard) (1873) Thursday 17 April 2025 DRAW -1.9
Speek, N.S.G. (Nomad) (1843) Tuesday 15 April 2025 WIN +9.6
Spaans, C.J. (Coenraad) (1940) Tuesday 11 March 2025 DRAW +0.5
Meijer, M.C.F. (Marijn) (1872) Monday 13 January 2025 DRAW -2.0
Zaanen van, M.B. (Martin) (1905) Tuesday 7 January 2025 DRAW -0.9
Fraikin, E.H. (Eric) (1986) Tuesday 10 December 2024 DRAW +2.0
Borst, J.J.M. (Jan) (1886) Tuesday 5 November 2024 WIN +11.4