KNSB FIDE
SR

Siebe Rossen

Rated since January 2023

1906 Classic
1906 Rapid
1906 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
GROENEVELD, J. (JANNICK) 1859
10495 KNSB competitie 2024-2025 Klasse 4 ronde 6 · Saturday 8 February 2025
AUWENS, M. (MICHEL) 1854
6167 KNSB competitie 2022-2023 Klasse 3 ronde 4 · Saturday 26 November 2022
VLAK, K. (KEES) 1835
12992 KNSB competitie 2025-2026 Klasse 5 ronde 6 · Saturday 7 February 2026
WEIJDEN VAN DER, K. (KEVIN) 1516
8074 KNSB competitie 2023-2024 Klasse 6 ronde 4 · Saturday 16 December 2023
POEL VAN DER, P. (PIETER) 1487
7604 SOS Competitie 2023/2024 Oktober 2023 · Tuesday 10 October 2023
Worst losses
TOLL, M. (MAARTEN) 1893
9643 KNSB competitie 2024-2025 Klasse 4 ronde 2 · Saturday 12 October 2024
BURGER, R.J.P. (ROGIER) 1913
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
ZWET VAN DER, B.W. (BART) 2021
6966 KNSB competitie 2022-2023 Klasse 3 ronde 8 · Saturday 1 April 2023
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–2=0 -29.8
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +1–0=0 +11.7
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +0–0=1 -2.1
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +0–0=1 +0.8
KNSB competitie 2024-2025 Klasse 4 ronde 6 Saturday 21 September 2024 +1–0=0 +13.6
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +0–0=1 -4.8
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–0=1 -4.4
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +0–1=0 -16.9
KNSB competitie 2023-2024 Klasse 6 ronde 5 Saturday 16 September 2023 +1–0=0 +0.4
KNSB competitie 2023-2024 Klasse 6 ronde 4 Saturday 16 September 2023 +1–0=0 +3.5
KNSB competitie 2023-2024 Klasse 6 ronde 2 Saturday 16 September 2023 +1–0=0 +2.1
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +1–0=0 +3.1
OSBO Cup 2022/2023 Groep A Tuesday 6 December 2022 +0–0=1 -13.4
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–1=0 -10.6
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +0–0=1 -2.6
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +0–0=1 -4.6
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +1–0=0 +15.8

Rating History

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Peak Ratings

Classic 1922 March 1, 2024
Rapid 1921 March 1, 2026
Blitz 1921 March 1, 2026

Games

Wins 7
Losses 4
Draws 7
Win Rate 39%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 5 1 40%
Black 3 2 3 38%

Recent Matches

Burger, R.J.P. (Rogier) (1913) Saturday 7 March 2026 LOSS -14.9
Burger, R.J.P. (Rogier) (1913) Saturday 7 March 2026 LOSS -14.9
Vlak, K. (Kees) (1835) Saturday 7 February 2026 WIN +11.7
Bonnier, F. (Frans) (1859) Saturday 1 November 2025 DRAW -2.1
Komrij, E. (Erwin) (1930) Saturday 8 March 2025 DRAW +0.8
Groeneveld, J. (Jannick) (1859) Saturday 8 February 2025 WIN +13.6
Spee, J. (Jean) (1786) Saturday 14 December 2024 DRAW -4.8
Hendrickx, A. (Arthur) (1800) Saturday 9 November 2024 DRAW -4.4
Toll, M. (Maarten) (1893) Saturday 12 October 2024 LOSS -16.9
Willemse, M. (Max) (1222) Saturday 3 February 2024 WIN +0.4
Weijden van der, K. (Kevin) (1516) Saturday 16 December 2023 WIN +3.5
Marhuenda Beltrán, M. (Mario) (1432) Saturday 4 November 2023 WIN +2.1
Poel van der, P. (Pieter) (1487) Tuesday 10 October 2023 WIN +3.1
Zwet van der, B.W. (Bart) (2021) Saturday 1 April 2023 LOSS -10.6
Meijer, S.T. (Sjoerd) (1833) Saturday 11 March 2023 DRAW -2.6
Heuveling, G.C. (Gijs-Cor) (1795) Saturday 11 February 2023 DRAW -4.6
Schaap, N. (Niels) (1539) Friday 3 February 2023 DRAW -13.4
Auwens, M. (Michel) (1854) Saturday 26 November 2022 WIN +15.8