KR

Klaas Roos

Rated since January 2023

1815 Classic
1789 Rapid
1794 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BOS, J.P.M. (HANS) 1863
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 26 January 2026
TAVRIDIS, E. (EFSTATHIOS) 1725
13828 LeiSB regionale competitie 25-26 Kruisfinales derde klassen · Monday 11 May 2026
MAAREN VAN, A. (ADRI) 1709
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 9 March 2026
KLOPROGGE, J.J. (JO) 1695
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 23 March 2026
BRIEMEN VAN, J. (JAN) 1657
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 12 January 2026
Worst losses
STOLWIJK, G. (GERTJAN) 1798
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 16 February 2026
BOS, E. (EVERT) 1809
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 16 March 2026
MEIJER, M.C.F. (MARIJN) 1857
12692 S.C. Bodegraven interne competitie 01-12-2025 t/m 22-12-2025 (110003) · Monday 8 December 2025
VREE, A.M. (MARIJN) 1869
13448 S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) · Monday 23 February 2026
No FIDE-rated tournaments found.
LeiSB regionale competitie 25-26 Kruisfinales derde klassen Wednesday 1 October 2025 +1–0=0 +16.5
LeiSB regionale competitie 25-26 3e klasse april Wednesday 1 October 2025 +0–0=1 -5.5
LeiSB regionale competitie 25-26 Klasse 3a november Wednesday 1 October 2025 +1–0=0 +2.7
S.C. Bodegraven interne competitie 30-03-2026 t/m 08-06-2026 (110003) Monday 8 September 2025 +1–0=2 +10.3
S.C. Bodegraven interne competitie 29-12-2025 t/m 23-03-2026 (110003) Monday 8 September 2025 +4–3=0 +18.3
S.C. Bodegraven interne competitie 01-12-2025 t/m 22-12-2025 (110003) Monday 8 September 2025 +0–1=1 -15.2

Rating History

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Peak Ratings

Classic 1828 Nov. 1, 2024
Rapid 1789 July 1, 2024
Blitz 1794 April 1, 2026

Games

Wins 7
Losses 4
Draws 4
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 3 1 43%
Black 4 1 3 50%

Recent Matches

Roos, L. (Leon) (1638) Monday 8 June 2026 WIN +11.2
Both, J. (Jan) (1675) Monday 1 June 2026 DRAW -7.0
Tavridis, E. (Efstathios) (1725) Monday 11 May 2026 WIN +16.5
Meijer, M.C.F. (Marijn) (1907) Monday 13 April 2026 DRAW +6.2
Heun, J.C. (Jetze) (1676) Monday 30 March 2026 DRAW -5.5
Kloprogge, J.J. (Jo) (1695) Monday 23 March 2026 WIN +15.5
Bos, E. (Evert) (1809) Monday 16 March 2026 LOSS -18.2
Maaren van, A. (Adri) (1709) Monday 9 March 2026 WIN +16.3
Vree, A.M. (Marijn) (1869) Monday 23 February 2026 LOSS -14.9
Stolwijk, G. (Gertjan) (1798) Monday 16 February 2026 LOSS -18.8
Bos, J.P.M. (Hans) (1863) Monday 26 January 2026 WIN +24.8
Briemen van, J. (Jan) (1657) Monday 12 January 2026 WIN +13.5
Zee van der, P. (Piet) (1812) Monday 22 December 2025 DRAW +1.2
Meijer, M.C.F. (Marijn) (1857) Monday 8 December 2025 LOSS -16.4
Macias Serrallo, D. (Domingo) (1361) Monday 10 November 2025 WIN +2.7