SR

Siebren Rozenbaum

Rated since November 2024

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
KOOLAARD, L. (LIEKE) 1483
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
STAPHORST, K. (KOENE) 1476
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
WAL VAN DER, L. (LARS) 1451
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
MONEER, A. (ALHASSAN) 1397
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
BOSMA, D. (DOUWE) 1360
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
Worst losses
HOOGENDOORN, S. (SEPP) 1447
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
GREVEN, V. (VINCENT) 1489
14065 NOSBO-FSB GP finale 2026 Groep A · Saturday 27 June 2026
No FIDE-rated tournaments found.
NOSBO-FSB GP finale 2026 Groep A Saturday 27 June 2026 +5–2=0 +154.2
GP Leek/Roden 2024 Groep A Saturday 12 October 2024 +6–0=1 +80.2

Rating History

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Peak Ratings

Rapid 1567 July 1, 2026

Games

Wins 11
Losses 2
Draws 1
Win Rate 79%

Performance by Color

Color Wins Draws Losses Win Rate
White 7 0 1 88%
Black 4 1 1 67%

Recent Matches

Koolaard, L. (Lieke) (1483) Saturday 27 June 2026 WIN +49.8
Greven, V. (Vincent) (1489) Saturday 27 June 2026 LOSS -31.2
Bosma, D. (Douwe) (1360) Saturday 27 June 2026 WIN +35.9
Moneer, A. (Alhassan) (1397) Saturday 27 June 2026 WIN +40.1
Wal van der, L. (Lars) (1451) Saturday 27 June 2026 WIN +46.3
Hoogendoorn, S. (Sepp) (1447) Saturday 27 June 2026 LOSS -35.8
Staphorst, K. (Koene) (1476) Saturday 27 June 2026 WIN +49.1
Wijnands, O. (Olivia) (668) Saturday 12 October 2024 WIN +15.3
Vos, L. (Lasse) (908) Saturday 12 October 2024 DRAW -50.9
Mioch, B. (Bjen) (710) Saturday 12 October 2024 WIN +20.1
Steeds, E. (Elon) (739) Saturday 12 October 2024 WIN +24.0
Kernebeek van, O.B.M. (Odin) (678) Saturday 12 October 2024 WIN +16.3
Groen, J.N. (Jesse) (695) Saturday 12 October 2024 WIN +18.3
Boomhouwer, R. (Rens) (818) Saturday 12 October 2024 WIN +37.2