KNSB FIDE
JZ

Jack Zeilstra

Rated since January 2023

1658 Classic
1634 Rapid
1634 Blitz

RIVALRY

Nemesis
Meer van der, M. (Menno-Peter)
Games: 6 · Win rate: 50%
Kryptonite
Hoekstra, W. (Wiebe)
Games: 5 · Win rate: 0%
Easy Target
End van der, S. (Sander)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
WIERSMA, T.R. (TJEERD) 1855
13822 S.C. Bakkeveen interne competitie 11-02-2026 t/m 15-04-2026 (010004) · Wednesday 25 February 2026
NICOLAY, G.A. (GEERT) 1832
11837 FSB-competitie 2025-2026 ronde 1 3e klasse · Wednesday 8 October 2025
VISSER, H.B. (HEIN BAUKE) 1691
12019 FSB-competitie 2025-2026 ronde 4 3e klasse · Wednesday 17 December 2025
MEER VAN DER, M. (MENNO-PETER) 1689
8840 Bakkeveen interne competitie A2 · Wednesday 13 March 2024
DIJK VAN, R. (RIENK) 1681
10272 S.C. Bakkeveen interne competitie 30-10-2024 t/m 19-12-2024 (010004) · Thursday 21 November 2024
Worst losses
MEER VAN DER, M. (MENNO-PETER) 1379
8001 Bakkeveen interne competitie Groep A · Thursday 12 October 2023
BIJKERK, M. (MARIUS) 1406
6075 FSB competitie 22-23 ronde 5 · Tuesday 10 January 2023
JONG DE, J. (JASPER) 1442
7823 FSB-competitie 23-24 3e klasse ronde 2 · Wednesday 15 November 2023
HOOGSTRA, B. (BAUKE) 1465
6815 S.C. Bakkeveen interne competitie 09-02-2023 t/m 23-03-2023 (010004) · Thursday 16 March 2023
STEENHUIS, S. (SEBE) 1487
11261 S.C. Bakkeveen interne competitie 15-01-2025 t/m 30-04-2025 (010004) · Wednesday 23 April 2025
No FIDE-rated tournaments found.
Fries Kampioenschap individueel 2026 Groep A Saturday 6 June 2026 +2–2=1 -1.8
FSB-competitie 2025-2026 ronde 6 3e klasse Monday 1 September 2025 +0–1=0 -6.4
FSB-competitie 2025-2026 ronde 5 3e klasse Monday 1 September 2025 +0–1=0 -8.8
FSB-competitie 2025-2026 ronde 4 3e klasse Monday 1 September 2025 +1–0=0 +13.9
FSB-competitie 2025-2026 ronde 2 3e klasse Monday 1 September 2025 +0–1=0 -5.8
FSB-competitie 2025-2026 ronde 1 3e klasse Monday 1 September 2025 +1–0=0 +18.1
S.C. Bakkeveen interne competitie 30-04-2026 t/m 30-04-2026 (010004) Saturday 30 August 2025 +0–1=0 -12.1
S.C. Bakkeveen interne competitie 11-02-2026 t/m 15-04-2026 (010004) Saturday 30 August 2025 +3–2=2 +37.9
S.C. Bakkeveen interne competitie 19-11-2025 t/m 28-01-2026 (010004) Saturday 30 August 2025 +2–3=0 -17.5
S.C. Bakkeveen interne competitie 10-09-2025 t/m 05-11-2025 (010004) Saturday 30 August 2025 +1–2=2 -23.0
S.C. Bakkeveen interne competitie 15-01-2025 t/m 30-04-2025 (010004) Wednesday 11 September 2024 +2–4=3 -31.3
S.C. Bakkeveen interne competitie 30-10-2024 t/m 19-12-2024 (010004) Wednesday 11 September 2024 +2–2=1 +17.8
S.C. Bakkeveen interne competitie 11-09-2024 t/m 23-10-2024 (010004) Wednesday 11 September 2024 +1–1=3 +19.5
FSB-competitie 24-25 ronde 6 3e klasse Sunday 1 September 2024 +0–0=1 +3.0
FSB-competitie 24-25 ronde 5 3e klasse Sunday 1 September 2024 +0–0=1 +2.6
FSB-competitie 24-25 ronde 4 3e klasse Sunday 1 September 2024 +1–0=0 +12.5
FSB-competitie 24-25 FSB-competitie 24-25 ronde 2 3e klasse Sunday 1 September 2024 +0–0=1 +1.1
FSB-competitie 24-25 FSB-competitie 24-25 ronde 1 3e klasse Sunday 1 September 2024 +0–0=1 -0.5
Bakkeveen interne competitie A2 Wednesday 13 September 2023 +1–1=2 +14.9
Bakkeveen interne competitie Group A Wednesday 13 September 2023 +0–3=1 -8.8
Bakkeveen interne competitie Groep A Wednesday 13 September 2023 +4–2=4 +2.0
FSB-competitie 23-24 3e klasse ronde 9 Friday 1 September 2023 +0–1=0 -2.7
FSB-competitie 23-24 3e klasse ronde 8 Friday 1 September 2023 +0–0=1 +4.2
FSB-competitie 23-24 3e klasse ronde 7 Friday 1 September 2023 +0–0=1 +9.9
FSB-competitie 23-24 3e klasse ronde 6 Friday 1 September 2023 +1–0=1 +16.5
FSB-competitie 23-24 3e klasse ronde 5 Friday 1 September 2023 +1–0=0 +4.9
FSB-competitie 23-24 3e klasse ronde 4 Friday 1 September 2023 +0–0=1
FSB-competitie 23-24 3e klasse ronde 3 Friday 1 September 2023 +0–1=0 -7.4
FSB-competitie 23-24 3e klasse ronde 2 Friday 1 September 2023 +0–2=0 -18.5
FSB-competitie 23-24 3e klasse ronde 1 Friday 1 September 2023 +1–0=0
FSB competitie 22-23 ronde 7 Saturday 1 October 2022 +0–0=1 +0.9
FSB competitie 22-23 ronde 6 Saturday 1 October 2022 +1–0=0 +13.2
FSB competitie 22-23 ronde 5 Saturday 1 October 2022 +0–1=0 -10.4
S.C. Bakkeveen interne competitie 30-03-2023 t/m 26-04-2023 (010004) Wednesday 7 September 2022 +2–2=1 +1.8
S.C. Bakkeveen interne competitie 09-02-2023 t/m 23-03-2023 (010004) Wednesday 7 September 2022 +3–1=1 +19.9
S.C. Bakkeveen interne competitie 08-12-2022 t/m 29-12-2022 (010004) Wednesday 7 September 2022 +0–1=1 +2.5
S.C. Bakkeveen interne competitie 26-10-2022 t/m 01-12-2022 (010004) Wednesday 7 September 2022 +2–1=1 +0.1

Team Competition

Current team
Bakkeveen 3
3e klasse A · 2025-2026 · 5 games
Past teams
Bakkeveen 3
3e klasse A · 2024-2025
Bakkeveen 3
Derde klasse · 2023-2024
Bakkeveen 4
Derde klasse · 2023-2024
Bakkeveen 3
Klasse 3 · 2022-2023
Bakkeveen 3
Klasse 3 · 2021-2022

Rating History

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Peak Ratings

Classic 1694 April 1, 2025
Rapid 1640 March 1, 2026
Blitz 1640 March 1, 2026

Games

Wins 32
Losses 36
Draws 32
Win Rate 32%

Performance by Color

Color Wins Draws Losses Win Rate
White 19 17 14 38%
Black 13 15 22 26%

Recent Matches

Roersma, M. (Melvin) (1398) Sunday 14 June 2026 WIN +4.2
Moraal, J. (Jacob) (1678) Saturday 13 June 2026 DRAW +0.2
Vries de, M. (Marc) (1539) Saturday 13 June 2026 WIN +8.0
Al-Sarayfi, M. (Mohammed) (1701) Sunday 7 June 2026 LOSS -11.5
Pragt, A. (Arjen) (2023) Sunday 7 June 2026 LOSS -2.7
Dijk van, R. (Rienk) (1647) Thursday 30 April 2026 LOSS -12.1
Hoekstra, H.J. (Hans) (1972) Wednesday 15 April 2026 DRAW +9.5
Hoogstra, B. (Bauke) (1656) Wednesday 8 April 2026 WIN +13.3
Wolfslag, R. (René) (1829) Wednesday 25 March 2026 LOSS -6.4
Zijlstra, J. (Jasper) (1905) Wednesday 18 March 2026 LOSS -4.4
Woude van der, T. (Tjerk) (1666) Wednesday 11 March 2026 DRAW +0.9
Wiersma, T.R. (Tjeerd) (1855) Wednesday 25 February 2026 WIN +19.1
Joormann, A.C.M. (Fons) (1536) Wednesday 18 February 2026 WIN +8.7
Hoekstra, W. (Wiebe) (1747) Wednesday 11 February 2026 LOSS -9.1
Slingerland, M. (Max) (1759) Tuesday 10 February 2026 LOSS -8.8
Baines, R. (Robin) (1789) Wednesday 28 January 2026 LOSS -8.3
Meer van der, M. (Menno-Peter) (1640) Wednesday 21 January 2026 WIN +11.6
Visser, H.B. (Hein Bauke) (1691) Wednesday 17 December 2025 WIN +13.9
Steenhuis, S. (Sebe) (1524) Wednesday 10 December 2025 LOSS -16.8
Roos de, J. (Jens) (1438) Wednesday 26 November 2025 WIN +4.9