SY

Sietze Ykema

Rated since January 2023

1670 Classic
1693 Rapid
1693 Blitz

RIVALRY

Nemesis
Wanningen, N. (Nick)
Games: 4 · Win rate: 50%
Kryptonite
Leerentveld, J.G. (John)
Games: 5 · Win rate: 0%

The good & the bad

Best wins
KRANENBURG, K. (KEES) 1695
12122 H.S.C.-Stork interne competitie 11-09-2025 t/m 23-10-2025 (030039) · Thursday 18 September 2025
ROBERS, F.G.J. (FREDRIK) 1658
12318 SBO Viertallencompetitie 2025/2026 Ronde 1 (B-G) · Monday 27 October 2025
WANNINGEN, N. (NICK) 1646
13439 H.S.C.-Stork interne competitie 29-01-2026 t/m 26-03-2026 (030039) · Thursday 12 March 2026
GERRITSEN MULKES, J. (JASPER) 1634
12363 SBO Viertallencompetitie 2025/2026 Ronde 1 (deels A), Ronde 2 (B-G) · Thursday 27 November 2025
BRUGGINK, T. (THEO) 1567
12665 H.S.C.-Stork interne competitie 27-11-2025 t/m 11-12-2025 (030039) · Thursday 4 December 2025
Worst losses
DEKKERS, H.J. (HENK) 1503
11484 H.S.C.-Stork interne competitie 01-05-2025 t/m 05-06-2025 (030039) · Thursday 22 May 2025
BRUGGINK, T. (THEO) 1586
13439 H.S.C.-Stork interne competitie 29-01-2026 t/m 26-03-2026 (030039) · Thursday 5 February 2026
KUILENBURG VAN, P.J. (PIET) 1642
12122 H.S.C.-Stork interne competitie 11-09-2025 t/m 23-10-2025 (030039) · Thursday 9 October 2025
KRANENBURG, K. (KEES) 1679
12377 H.S.C.-Stork interne competitie 30-10-2025 t/m 20-11-2025 (030039) · Thursday 13 November 2025
ELGERSMA, F.D. (FETZE) 1732
13850 H.S.C.-Stork interne competitie 02-04-2026 t/m 21-05-2026 (030039) · Thursday 30 April 2026
No FIDE-rated tournaments found.
SBO Viertallencompetitie 2025/2026 Lijst Mei Wednesday 1 October 2025 +0–0=1 -2.0
SBO Viertallencompetitie 2025/2026 Lijst April Wednesday 1 October 2025 +0–1=0 -3.7
SBO Viertallencompetitie 2025/2026 Lijst Maart Wednesday 1 October 2025 +0–1=1 -10.1
SBO Viertallencompetitie 2025/2026 Ronde 1 (deels A), Ronde 2 (B-G) Wednesday 1 October 2025 +1–0=0 +10.7
SBO Viertallencompetitie 2025/2026 Ronde 1 (B-G) Wednesday 1 October 2025 +1–0=0 +11.1
H.S.C.-Stork interne competitie 28-05-2026 t/m 04-06-2026 (030039) Thursday 4 September 2025 +0–0=1 -2.5
H.S.C.-Stork interne competitie 02-04-2026 t/m 21-05-2026 (030039) Thursday 4 September 2025 +1–2=1 -19.1
H.S.C.-Stork interne competitie 29-01-2026 t/m 26-03-2026 (030039) Thursday 4 September 2025 +2–2=0 +0.1
H.S.C.-Stork interne competitie 08-01-2026 t/m 22-01-2026 (030039) Thursday 4 September 2025 +0–1=1 -10.1
H.S.C.-Stork interne competitie 27-11-2025 t/m 11-12-2025 (030039) Thursday 4 September 2025 +1–0=1 +15.7
H.S.C.-Stork interne competitie 30-10-2025 t/m 20-11-2025 (030039) Thursday 4 September 2025 +2–1=0 -6.3
H.S.C.-Stork interne competitie 11-09-2025 t/m 23-10-2025 (030039) Thursday 4 September 2025 +1–3=2 -12.9
H.S.C.-Stork interne competitie 01-05-2025 t/m 05-06-2025 (030039) Sunday 1 September 2024 +1–2=2 -17.6

Team Competition

Current team
Stork 2
F · 2025-2026 · 6 games
Past teams
Stork 2
E · 2024-2025
Stork 1
C · 2023-2024
HSC-Stork 1
D · 2022-2023

Rating History

Loading rating history...

Peak Ratings

Classic 1775 Dec. 1, 2024
Rapid 1697 March 1, 2026
Blitz 1697 March 1, 2026

Games

Wins 10
Losses 13
Draws 10
Win Rate 30%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 6 21%
Black 7 5 7 37%

Recent Matches

Wanningen, N. (Nick) (1600) Thursday 4 June 2026 DRAW -2.5
Leerentveld, J.G. (John) (1878) Thursday 7 May 2026 LOSS -6.4
Elgersma, F.D. (Fetze) (1732) Thursday 30 April 2026 LOSS -11.1
Wanningen, N. (Nick) (1573) Thursday 23 April 2026 DRAW -4.1
Beltman, R. (Rick) (1636) Thursday 16 April 2026 DRAW -2.0
Linde van der, M. (Marit) (1331) Thursday 2 April 2026 WIN +2.6
Kranenburg, K. (Kees) (1692) Thursday 26 March 2026 WIN +12.3
Snuverink, M. (Michiel) (1995) Monday 23 March 2026 LOSS -3.7
Leerentveld, J.G. (John) (1886) Thursday 19 March 2026 LOSS -6.4
Wanningen, N. (Nick) (1646) Thursday 12 March 2026 WIN +10.7
Reijtenbagh, A.J.C. (Alexander) (1526) Thursday 19 February 2026 DRAW -5.9
Bruggink, T. (Theo) (1586) Thursday 5 February 2026 LOSS -16.6
Snuverink, M. (Michiel) (1991) Thursday 29 January 2026 LOSS -4.2
Leerentveld, J.G. (John) (1832) Thursday 22 January 2026 LOSS -8.6
Kranenburg, K. (Kees) (1675) Thursday 15 January 2026 DRAW -1.5
Eijkelkamp, R.J. (Regobert) (1926) Thursday 11 December 2025 DRAW +7.4
Bruggink, T. (Theo) (1567) Thursday 4 December 2025 WIN +8.3
Gerritsen Mulkes, J. (Jasper) (1634) Thursday 27 November 2025 WIN +10.7
Dekkers, H.J. (Henk) (1500) Thursday 20 November 2025 WIN +6.4
Kranenburg, K. (Kees) (1679) Thursday 13 November 2025 LOSS -12.7