KNSB FIDE
JJ

Johan Jorritsma

Rated since January 2023

1624 Classic
1642 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
ELANGKUMARAN, A. (ANUMITRA) 1751
Open Gronings Blitz Kampioenschap 2024 (Tijdens NK ABC) · Wednesday 1 May 2024
HOECKER, H. (HORST) 1698
8456 Chess Festival Groningen Compact · Friday 27 December 2024
SLOTTJE, P.M. (PIM) 1683
11708 Open NK Schaken 2025 Reserve C · Wednesday 23 July 2025
MORAAL, J. (JACOB) 1682
12701 Chessfestival Groningen Compact Groep C · Sunday 28 December 2025
REGTERSCHOT, A. (ALEXANDER) 1615
Open Gronings Blitz Kampioenschap 2024 (Tijdens NK ABC) · Wednesday 1 May 2024
Worst losses
PSAILA, OCEAN 1298
6249 Chess Festival Groningen Open C · Thursday 29 December 2022
NAIR, P. (PRANAV PRASOBH) 1444
Open Gronings Blitz Kampioenschap 2024 (Tijdens NK ABC) · Wednesday 1 May 2024
HEIJMANS, M. (MERLIJN) 1481
7110 NOSBO competitie 2022-2023 Mei 2023 · Friday 12 May 2023
SCHEPERS, W. (WILLEM) 1492
6841 NOSBO competitie 2022-2023 Maart 2023 · Friday 24 March 2023
GOHIL, G. (VIAAN) 1519
6368 Weekendtoernooi Groninger Combinatie / PK NOSBO Groep A · Sunday 21 May 2023
Chessfestival Groningen Compact Groep C Friday 26 December 2025 +1–1=3 +13.9
Open NK Schaken 2025 Reserve C Tuesday 22 July 2025 +4–4=1 -16.8
Chess Festival Groningen Compact Saturday 21 December 2024 +2–2=1 +12.3
Weekendtoernooi Groninger Combinatie / PK NOSBO Groep A Thursday 18 May 2023 +0–3=3 -34.5
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +1–0=0 +13.0
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +0–1=0 -7.0
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–0=1 +2.9
KNSB competitie 2025-2026 Klasse 5 Ronde 3 Saturday 20 September 2025 +0–0=1 +0.9
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +0–0=1 +7.9
KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +1–0=0
Open Gronings Blitz Kampioenschap 2024 (Tijdens NK ABC) Wednesday 1 May 2024 +4–5=0 +30.5
Chess Festival Groningen Open C Wednesday 21 December 2022 +2–3=4 +2.6
NOSBO competitie 2022-2023 Mei 2023 Monday 24 October 2022 +0–1=0 -13.5
NOSBO competitie 2022-2023 April 2023 - beker Monday 24 October 2022 +1–0=0 +19.4
NOSBO competitie 2022-2023 Maart 2023 Monday 24 October 2022 +0–1=1 -2.7
NOSBO competitie 2022-2023 Februari 2023 Monday 24 October 2022 +1–0=0
NOSBO competitie 2022-2023 December 2022 Monday 24 October 2022 +1–0=0 +20.2

Rating History

Loading rating history...

Peak Ratings

Classic 1639 April 1, 2026
Rapid 1624 March 1, 2026
Blitz 1642 Oct. 1, 2024

Games

Wins 18
Losses 21
Draws 16
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 8 8 36%
Black 9 8 13 30%

Recent Matches

Stegeman, D. (Derk) (1613) Saturday 7 March 2026 WIN +13.0
Meer van der, H.J. (Henk) (1820) Saturday 7 February 2026 LOSS -7.0
Bergshoeff, G. (Bert) (1713) Tuesday 30 December 2025 DRAW +3.8
Botter, J. (Joachim) (1611) Monday 29 December 2025 LOSS -14.5
Moraal, J. (Jacob) (1682) Sunday 28 December 2025 WIN +16.9
Gay, A. (Aurore) (1712) Saturday 27 December 2025 DRAW +3.8
Takkebos, M.J. (Michiel) (1715) Friday 26 December 2025 DRAW +3.9
Nagel, D. (Doede) (1688) Saturday 13 December 2025 DRAW +2.9
Jetten, D. (Dirk) (1630) Saturday 22 November 2025 DRAW +0.9
Strik, A.F. (Aart) (1818) Saturday 1 November 2025 DRAW +7.9
Koopman, W. (Wart) Saturday 4 October 2025 WIN
Trunz, Daniel (1425) Wednesday 30 July 2025 WIN +7.7
Diggelen van, S. (Samantha) (1406) Tuesday 29 July 2025 WIN +7.0
Doorn, W.J. (Wouter) (1589) Monday 28 July 2025 LOSS -17.3
Harxen van, L. (Luc) (1733) Sunday 27 July 2025 LOSS -11.1
Oostenbrugge van, G.J. (Gert-Jan) (1668) Saturday 26 July 2025 LOSS -13.8
Leeuwen van, D. (Dick) (1707) Friday 25 July 2025 LOSS -12.2
Egelie, P.L. (Peter) (1730) Thursday 24 July 2025 DRAW +4.6
Slottje, P.M. (Pim) (1683) Wednesday 23 July 2025 WIN +18.3
Mooij, R. (Remko) Tuesday 22 July 2025 WIN