ST

Sjef Thomassen

Rated since May 2023

1012 Classic
1306 Rapid

RIVALRY

Nemesis
Gnanasekaran, M. (Mithran)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
GRIEP, F.P. (FLORIS) 975
7659 Groene Hart Jeugd Cup 2023-2024 Speelavond 7 · Friday 31 May 2024
DUIJN VAN, N.A. (NIELS) 675
7657 Groene Hart Jeugd Cup 2023-2024 Speelavond 5 · Friday 2 February 2024
GNANASEKARAN, M. (MITHRAN) 652
7561 HSB GP 2 Botwinnik Groep A · Sunday 12 November 2023
MAMMADOV, L. (LUTVIYAR) 651
7561 HSB GP 2 Botwinnik Groep A · Sunday 12 November 2023
AHALOUI, A. (ADAM) 642
7561 HSB GP 2 Botwinnik Groep A · Sunday 12 November 2023
Worst losses
PENNOCK, L. (LINDE) 206
7098 HSB GP 7 DSC Middag groep · Sunday 7 May 2023
EEFTING, R. (RICK) 244
6988 Grand Prix Barendrecht-IJsselmonde 2023 Groep A · Saturday 1 April 2023
YILDIRIM, M.K. (MERT KEREM) 255
6988 Grand Prix Barendrecht-IJsselmonde 2023 Groep A · Saturday 1 April 2023
BERG VAN DEN, G. (GIJS) 268
7504 Groene Hart Jeugd Cup 2023-2024 Speelavond 1 · Friday 6 October 2023
VETRI SIAM, A. (ARJITH) 425
7166 GP Overschie 2023 Groep A · Saturday 13 May 2023
No FIDE-rated tournaments found.
RIJST 2023 Groep A Saturday 18 November 2023 +1–3=1 -49.4
HSB GP 2 Botwinnik Groep A Sunday 12 November 2023 +3–7=0 -80.0
OJKP 2023 Groep A Saturday 7 October 2023 +2–3=0 -10.7
Groene Hart Jeugd Cup 2023-2024 Speelavond 7 Friday 6 October 2023 +1–1=1 -20.6
Groene Hart Jeugd Cup 2023-2024 Speelavond 6 Friday 6 October 2023 +0–3=0 -17.9
Groene Hart Jeugd Cup 2023-2024 Speelavond 5 Friday 6 October 2023 +3–0=0 +68.2
Groene Hart Jeugd Cup 2023-2024 Speelavond 3 Friday 6 October 2023 +0–3=0 -18.9
Groene Hart Jeugd Cup 2023-2024 Speelavond 2 Friday 6 October 2023 +1–2=0 -13.5
Groene Hart Jeugd Cup 2023-2024 Speelavond 1 Friday 6 October 2023 +2–1=0 +4.4
Groene Hart Jeugd Cup 2023-2024 Speelavond 4 Friday 6 October 2023 +2–1=0 +6.4
OJKG 2023 Groep A Saturday 2 September 2023 +3–2=0 +0.5
GP Overschie 2023 Groep A Saturday 13 May 2023 +3–3=1 +69.0
HSB GP 7 DSC Middag groep Sunday 7 May 2023 +8–1=1 -6.2
Grand Prix Barendrecht-IJsselmonde 2023 Groep A Saturday 1 April 2023 +4–2=1 -132.3

Rating History

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Peak Ratings

Classic 1015 March 1, 2024
Rapid 1306 May 1, 2026

Games

Wins 33
Losses 32
Draws 5
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 15 4 14 45%
Black 18 1 18 49%

Recent Matches

Griep, F.P. (Floris) (975) Friday 31 May 2024 WIN +11.8
Su, S. (Stephen) (973) Friday 31 May 2024 LOSS -21.4
Ham van der, C.M.J. (Caroline) (791) Friday 31 May 2024 DRAW -11.0
Starmans, Y.P.C. (Yuri) (1170) Friday 1 March 2024 LOSS -3.1
Andersen, D. (Daniël) (1255) Friday 1 March 2024 LOSS -8.7
Huang, Z. (Ziyang) (1317) Friday 1 March 2024 LOSS -6.1
Sharma, K. (Kairav) (418) Friday 2 February 2024 WIN +10.9
Duijn van, N.A. (Niels) (675) Friday 2 February 2024 WIN +29.7
Wang, H. (Haitong) (622) Friday 2 February 2024 WIN +27.6
Katsarov, A. (Adriaan) (842) Friday 24 November 2023 LOSS -7.7
Haitsma, L.D. (Luka) (893) Friday 24 November 2023 LOSS -10.3
Lansdorp, R. (Remco) (926) Friday 24 November 2023 LOSS -0.9
Plokkaar, K. (Kiehran) (623) Saturday 18 November 2023 LOSS -7.7
Berg van den, G. (Gijs) (658) Saturday 18 November 2023 DRAW +0.8
Huang, Q. (Nico) (272) Saturday 18 November 2023 WIN +0.6
Buitenhuis, S. (Stijn) (636) Saturday 18 November 2023 LOSS -16.2
Gnanasekaran, M. (Mithran) (652) Saturday 18 November 2023 LOSS -26.9
Chong, K. (Kaylee) (644) Sunday 12 November 2023 LOSS -14.8
Madularea, E. (Eric) (638) Sunday 12 November 2023 LOSS -28.0
Mammadov, L. (Lutviyar) (651) Sunday 12 November 2023 WIN +16.6