SF

Senn Jonah Frederiks

Rated since January 2023

928 Classic
1024 Rapid

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
PROKOPENKO, T.D. (TYMUR) 1027
5807 Tinnen Soldaat Groep A · Saturday 7 January 2023
WEMPE, T.J. (TIJN) 1004
9348 ONJK 2024 Groep E · Saturday 3 August 2024
METHLOUTHI, A. (ALY) 933
9348 ONJK 2024 Groep E · Wednesday 7 August 2024
HUBER, RICARDA 657
9348 ONJK 2024 Groep E · Tuesday 6 August 2024
KERCKHAERT, R. (ROEF) 507
6531 PJK OSBO FGH · Saturday 11 February 2023
Worst losses
LANGBROEK, J. (JESPER) 269
5807 Tinnen Soldaat Groep A · Saturday 7 January 2023
WIJK VAN, C. (COBIJN) 355
6531 PJK OSBO FGH · Saturday 11 February 2023
STEEDS, S. (SAMGAR) 372
5258 Nationale Pupillendag (F t/m H) Groep F Jeugd · Saturday 17 June 2023
ZUIJDWEG, E. (EZRA) 619
5807 Tinnen Soldaat Groep A · Saturday 7 January 2023
CHUA, T.Y. (TENG YI) 638
5258 Nationale Pupillendag (F t/m H) Groep F Jeugd · Saturday 17 June 2023
No FIDE-rated tournaments found.
Grand-Prix ASA Arnhem Groep F Saturday 20 September 2025 +0–7=0 -156.7
Open Nederlandse Jeugdschaakkampioenschappen (ONJK) 2025 Groep D Thursday 31 July 2025 +0–11=1
ONJK 2024 Groep E Friday 2 August 2024 +3–9=0 -61.5
Grand Prix Zutphen Groep I Saturday 11 November 2023 +5–0=0 +5.3
Nationale Pupillendag (F t/m H) Groep F Jeugd Saturday 17 June 2023 +0–7=0 -37.6
11e Martien Roodtoernooi Groep A Saturday 18 February 2023 +3–5=0
PJK OSBO FGH Saturday 11 February 2023 +7–1=1 +49.2
Tinnen Soldaat Groep A Saturday 7 January 2023 +1–5=1 -1.2

Rating History

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Peak Ratings

Classic 928 April 1, 2024
Rapid 1111 Oct. 1, 2025

Games

Wins 19
Losses 45
Draws 3
Win Rate 28%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 1 24 26%
Black 10 2 21 30%

Recent Matches

Ünlü, A. (Ahmet Mete) (1208) Saturday 20 September 2025 LOSS -14.2
Yu, J.B. (James) (1018) Saturday 20 September 2025 LOSS -24.6
Paltoe, A. (Aidan) (1069) Saturday 20 September 2025 LOSS -21.8
Molenaar, S. (Samuel) (1071) Saturday 20 September 2025 LOSS -21.7
Ududenko, M. (Michael) (1074) Saturday 20 September 2025 LOSS -21.5
Mierlo van, G. (Guus) (1093) Saturday 20 September 2025 LOSS -20.5
Alagöz, R. (Roni) (846) Saturday 20 September 2025 LOSS -32.6
Brouns, N. (Niels Jamie) Wednesday 6 August 2025 LOSS
Deelen van, N. (Nathan) Wednesday 6 August 2025 LOSS
Koolaard, L. (Lieke) (1200) Tuesday 5 August 2025 LOSS
Jermin, A. (Ayleanna) (1311) Tuesday 5 August 2025 LOSS
Kruyt, J. (Jayden) Tuesday 5 August 2025 LOSS
Wempe, T.J. (Tijn) (1250) Monday 4 August 2025 DRAW
Huber, Ricarda Saturday 2 August 2025 LOSS
Dijkhuijsen, P.J. (Piter) Saturday 2 August 2025 LOSS
Bootsma, K. (Kai) Saturday 2 August 2025 LOSS
Kolah-Chi, K. (Kyan) Friday 1 August 2025 LOSS
Reuscher, Joel David Friday 1 August 2025 LOSS
Georgopoulos-Karbouniaris, A. (Alexi) (1695) Friday 1 August 2025 LOSS
Hingane, K. (Krrish) (1214) Thursday 8 August 2024 LOSS -11.4