Jan Grin

Rated since January 2023

1969 Classic

1958 Rapid

1958 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins

WEBER, R.E. (REINIER) 1945

12537 NHSB-competitie 2025-2026 Klasse 1A t/m 07-12-2025 · Tuesday 2 December 2025

DIEPEN VAN, R. (RICHARD) 1938

8173 NHSB-competitie 2023-2024 Klasse 1A t/m 26-12-2023 · Friday 8 December 2023

TOOREN VAN, E. (ERIK) 1930

6868 NHSB-competitie 2022-2023 Topklasse t/m maart · Tuesday 21 March 2023

KRUL, P. (PIET) 1925

13489 NHSB-competitie 2025-2026 Klasse 1A t/m 05-04-2026 · Tuesday 31 March 2026

VREEBURG, J. (JAN) 1913

6650 NHSB-competitie 2022-2023 Topklasse t/m februari · Tuesday 31 January 2023

Worst losses

PIJPERS, P.J. (PETER) 2015

10505 NHSB-competitie 2024-2025 Topklasse t/m 16-02-2025 · Tuesday 11 February 2025

LOOIJER, D. (DAVE) 2056

11189 NHSB-competitie 2024-2025 Topklasse t/m 27-04-2025 · Tuesday 22 April 2025

SKROBIC, D. (DRAGAN) 2104

10770 NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 · Tuesday 11 March 2025

HELDER, M.J.G. (MARC) 2115

13279 NHSB-competitie 2025-2026 Klasse 1A t/m 15-03-2026 · Tuesday 10 March 2026

QUATTORDIO, J. (JUAN) 2125

6312 NHSB-competitie 2022-2023 Topklasse t/m december · Tuesday 6 December 2022

No FIDE-rated tournaments found.

NHSB-competitie 2025-2026 Klasse 1A t/m 05-04-2026 Monday 1 September 2025 +2–0=0 +22.1

NHSB-competitie 2025-2026 Klasse 1A t/m 15-03-2026 Monday 1 September 2025 +0–2=0 -15.1

NHSB-competitie 2025-2026 Klasse 1A t/m 07-12-2025 Monday 1 September 2025 +1–0=0 +12.2

NHSB-competitie 2025-2026 Klasse 1A t/m 16-11-2025 Monday 1 September 2025 +1–0=0 +10.7

NHSB-competitie 2025-2026 Klasse 1A t/m 19-10-2025 Monday 1 September 2025 +0–0=1 +0.7

NHSB-competitie 2025-2026 Klasse 1A t/m 26-09-2025 Monday 1 September 2025 +1–0=0 +8.4

NHSB-competitie 2024-2025 Topklasse t/m 27-04-2025 Sunday 1 September 2024 +0–1=0 -8.8

NHSB-competitie 2024-2025 Topklasse t/m 06-04-2025 Sunday 1 September 2024 +0–1=0 -2.9

NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 Sunday 1 September 2024 +0–1=0 -7.5

NHSB-competitie 2024-2025 Topklasse t/m 16-02-2025 Sunday 1 September 2024 +0–1=0 -10.8

NHSB-competitie 2024-2025 Topklasse t/m 12-01-2025 Sunday 1 September 2024 +0–1=0 -5.1

NHSB-competitie 2024-2025 Topklasse t/m 08-12-2024 Sunday 1 September 2024 +0–1=0 -7.2

NHSB-competitie 2024-2025 Topklasse t/m 28-11-2024 Sunday 1 September 2024 +0–1=0 -2.2

NHSB-competitie 2024-2025 Topklasse t/m 26-10-2024 Sunday 1 September 2024 +0–1=0 -6.6

NHSB-competitie 2023-2024 Klasse 1A t/m 26-03-2024 Friday 1 September 2023 +0–0=2 -5.1

NHSB-competitie 2023-2024 Klasse 1A t/m 23-02-2024 Friday 1 September 2023 +1–0=0 +8.8

NHSB-competitie 2023-2024 Klasse 1A t/m 26-12-2023 Friday 1 September 2023 +1–0=0 +11.5

NHSB-competitie 2023-2024 Klasse 1A t/m november Friday 1 September 2023 +1–0=0 +5.8

NHSB-competitie 2023-2024 Klasse 1A t/m oktober Friday 1 September 2023 +1–0=0 +4.2

NHSB-competitie 2022-2023 Topklasse t/m april Thursday 1 September 2022 +1–0=0 +8.0

NHSB-competitie 2022-2023 Topklasse t/m maart Thursday 1 September 2022 +1–0=0 +12.3

NHSB-competitie 2022-2023 Topklasse t/m februari Thursday 1 September 2022 +1–0=0 +12.1

NHSB-competitie 2022-2023 Topklasse t/m december Thursday 1 September 2022 +0–1=0 -6.2

Rating History

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Peak Ratings

Classic 1992 March 1, 2024

Rapid 1966 March 1, 2026

Blitz 1966 March 1, 2026

Games

Wins 12

Losses 11

Draws 3

Win Rate 46%

Performance by Color

Color	Wins	Draws	Losses	Win Rate
White	3	2	5	30%
Black	9	1	6	56%

Recent Matches

Krul, P. (Piet) (1925) Tuesday 31 March 2026 WIN +11.1

Helder, M.J.G. (Marc) (2115) Tuesday 10 March 2026 LOSS -7.5

Weber, R.E. (Reinier) (1945) Tuesday 2 December 2025 WIN +12.2

Stoop, D. (Danny) (1891) Friday 14 November 2025 WIN +10.7

Holla, M.J. (Marc) (1963) Tuesday 14 October 2025 DRAW +0.7

Dijk van, T. (Ton) (1815) Tuesday 23 September 2025 WIN +8.4

Looijer, D. (Dave) (2056) Tuesday 22 April 2025 LOSS -8.8

FM Ojik van, M. (Mark) (2290) Tuesday 1 April 2025 LOSS -2.9

Skrobic, D. (Dragan) (2104) Tuesday 11 March 2025 LOSS -7.5

Pijpers, P.J. (Peter) (2015) Tuesday 11 February 2025 LOSS -10.8

Boelhouwer, C. (Collin) (2208) Tuesday 7 January 2025 LOSS -5.1

Vlaming, J. (Jos) (2139) Tuesday 3 December 2024 LOSS -7.2

IM Bosboom, M. (Manuel) (2367) Friday 15 November 2024 LOSS -2.2

Duijn, R. (Rob) (2168) Tuesday 15 October 2024 LOSS -6.6

Oudvorst van, G.J. (Bert) (1936) Friday 22 March 2024 DRAW -1.9

Adema, R. (Ruud) (1899) Tuesday 12 March 2024 DRAW -3.2

Beemsterboer, A. (Andre) (1869) Tuesday 13 February 2024 WIN +8.8

Diepen van, R. (Richard) (1938) Friday 8 December 2023 WIN +11.5