JM

Jari Maas

Rated since January 2023

1731 Classic
1697 Rapid
1731 Blitz

RIVALRY

Nemesis
Fakkert, E. (Erwin)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
TIDESTAV, G. (GABRIEL) 1813
12430 LeiSB regionale competitie 25-26 2e klasse november · Monday 3 November 2025
FAKKERT, E. (ERWIN) 1807
12655 LeiSB regionale competitie 25-26 2e klasse december · Monday 15 December 2025
BEENTJES, D.G. (DOUWE) 1703
9915 LeiSB competitie 2024-2025 3a 25-11-16-12 · Friday 13 December 2024
TACONIS, H.J. (HENK) 1670
11154 LeiSB competitie 2024-2025 3e 26-3 25-4 · Tuesday 8 April 2025
VERDOES, J. (JELLE) 1590
10863 LeiSB competitie 2024-2025 3e 23-2 25-3 · Tuesday 11 March 2025
Worst losses
BROUWER, T. (TIM) 1443
5779 Regionale competitie LeiSB 2022-2023 3e Klasse · Monday 31 October 2022
HOGENDOORN, L.J.M. (BERT) 1444
5558 Regionale competitie Leidse Schaakbond 2021 - 2022 4e Klasse 3e periode ... · Thursday 7 April 2022
HOOSHANGI, M. (MEHRDAD) 1540
7194 Regionale competitie LeiSB 2022-2023 3e Klasse mei 2023 · Wednesday 10 May 2023
RIEGMAN, T. (TIMOTHY) 1593
10369 LeiSB competitie 2024-2025 3a19-12 22-1 · Monday 13 January 2025
HOOGEVEEN, L. (LUUK) 1637
6899 Regionale competitie LeiSB 2022-2023 3e Klasse maart 2023 · Monday 6 March 2023
No FIDE-rated tournaments found.
LeiSB bekercompetitie 25-26 Beker B ronde 2.2 Saturday 1 November 2025 +0–1=0 -16.8
LeiSB bekercompetitie 25-26 Beker B ronde 2.1 Saturday 1 November 2025 +0–1=0 -16.8
LeiSB regionale competitie 25-26 2e klasse december Wednesday 1 October 2025 +1–0=0 +27.1
LeiSB regionale competitie 25-26 2e klasse november Wednesday 1 October 2025 +1–0=0 +29.7
LeiSB regionale competitie 25-26 2e klasse oktober Wednesday 1 October 2025 +0–0=1 -3.3
LeiSB competitie 2024-2025 3e 26-3 25-4 Monday 7 October 2024 +1–0=0 +23.6
LeiSB competitie 2024-2025 3e 23-2 25-3 Monday 7 October 2024 +1–0=0 +20.3
LeiSB competitie 2024-2025 3a 23-1 22-1 Monday 7 October 2024 +1–0=0 +4.7
LeiSB competitie 2024-2025 3a19-12 22-1 Monday 7 October 2024 +0–1=0 -28.4
LeiSB competitie 2024-2025 3a 25-11-16-12 Monday 7 October 2024 +1–1=0 +13.9
Regionale competitie Leidse Schaakbond 2024-2025 3a Monday 7 October 2024 +0–1=0 -28.5
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse 2024-04 Sunday 8 October 2023 +0–1=0 -29.6
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse 2024-04 Sunday 8 October 2023 +0–0=1 +1.9
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse 2024-03 Sunday 8 October 2023 +1–1=0 -1.5
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse 2023-12 Sunday 8 October 2023 +1–0=0 +10.7
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse 2023-11 Sunday 8 October 2023 +1–0=0 +28.7
Regionale competitie Leidse Schaakbond 2023 - 2024 3e Klasse Sunday 8 October 2023 +1–0=0 +30.6
Regionale competitie LeiSB 2022-2023 3e Klasse mei 2023 Saturday 1 October 2022 +0–1=0 -27.7
Regionale competitie LeiSB 2022-2023 3e Klasse april 2023 Saturday 1 October 2022 +0–1=0 -8.3
Regionale competitie LeiSB 2022-2023 3e Klasse maart 2023 Saturday 1 October 2022 +0–1=0 -24.7
Regionale competitie LeiSB 2022-2023 3e Klasse februari Saturday 1 October 2022 +0–1=0
Regionale competitie LeiSB 2022-2023 3e Klasse januari 2023 Saturday 1 October 2022 +0–1=0 -25.5
Regionale competitie LeiSB 2022-2023 3e Klasse december 2022 Saturday 1 October 2022 +0–0=1 +24.7
Regionale competitie LeiSB 2022-2023 3e Klasse Saturday 1 October 2022 +0–1=0 -129.5
Regionale competitie Leidse Schaakbond 2021 - 2022 4e Klasse 3e periode ... Friday 1 October 2021 +1–1=2 -116.6
Regionale competitie Leidse Schaakbond 2021 - 2022 4e Klasse 2e periode ... Friday 1 October 2021 +1–0=0 +122.7
Regionale competitie Leidse Schaakbond 2021 - 2022 4e Klasse Friday 1 October 2021 +1–0=0 +85.1

Rating History

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Peak Ratings

Classic 1731 Jan. 1, 2026
Rapid 1697 March 1, 2026
Blitz 1731 March 1, 2026

Games

Wins 13
Losses 14
Draws 5
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 4 4 56%
Black 3 1 10 21%

Recent Matches

Fakkert, E. (Erwin) (1800) Monday 2 February 2026 LOSS -16.8
Fakkert, E. (Erwin) (1800) Monday 2 February 2026 LOSS -16.8
Fakkert, E. (Erwin) (1807) Monday 15 December 2025 WIN +27.1
Tidestav, G. (Gabriel) (1813) Monday 3 November 2025 WIN +29.7
Soeters, M. (Max) (1623) Tuesday 14 October 2025 DRAW -3.3
Taconis, H.J. (Henk) (1670) Tuesday 8 April 2025 WIN +23.6
Verdoes, J. (Jelle) (1590) Tuesday 11 March 2025 WIN +20.3
Delangen, T. (Tjeerd) (1260) Wednesday 12 February 2025 WIN +4.7
Riegman, T. (Timothy) (1593) Monday 13 January 2025 LOSS -28.4
Beentjes, D.G. (Douwe) (1703) Friday 13 December 2024 WIN +29.8
Scheppingen van, W.B. (Wibo) (1783) Monday 2 December 2024 LOSS -15.8
Ransijn, F. (Fenna) (1639) Monday 21 October 2024 LOSS -28.5
Westveer, P.V. (Paul) (1665) Monday 6 May 2024 LOSS -29.6
Kettenis, J. (John) (1723) Monday 8 April 2024 DRAW +1.9
Abbes, J. (Jeroen) (1740) Wednesday 13 March 2024 LOSS -26.5
Kuilenberg, H.J. (Hermo) (1440) Monday 5 February 2024 WIN +25.1
Anceaux, C.J. (Corné) (1217) Monday 11 December 2023 WIN +10.7
Gunsteren van, L.A. (Lex) (1416) Monday 13 November 2023 WIN +28.7
Thijssen, F.J. (Fred) (1391) Monday 23 October 2023 WIN +30.6
Hooshangi, M. (Mehrdad) (1540) Wednesday 10 May 2023 LOSS -27.7