Simon K Williams

Country

ENG

Birth Year

1979

Gender

M

Title

Grandmaster

FIDE ID

404454

FIDE ratings

2449

Classical

Published FIDE

2467

Rapid

Published FIDE

2389

Blitz

Published FIDE

Official classical ranks

World rank
#1021
National rank · ENG
#21

Active players · Oct 2026 FIDE list ⓘ

FIDE rating history

Highest recorded rating
2550 Nov 2009
Recorded years
2001–2026
Archived games
2423

Based on available monthly lists and saved games.

ECF ratings

English rankings

ECF code 132288G · 4NCL Cheddleton · Latest available list 2026-10-01

2499Standard
2359Rapid
2209Blitz

ECF rating history

Revised published ratings. Pre-July 2020 grades use a separate scale.

Published lists
DateTypeScaleOriginalRevised
2026-10-01blitzrating22092209
2026-10-01rapidrating23592359
2026-10-01standardrating24992499
2026-09-01blitzrating22092209
2026-09-01rapidrating23592359
2026-09-01standardrating24992499
2026-08-01blitzrating22092209
2026-08-01rapidrating23592359
2026-08-01standardrating24662468
2026-07-01blitzrating22092209
2026-07-01rapidrating23592359
2026-07-01standardrating24902490
2026-06-01blitzrating22092209
2026-06-01rapidrating23592359
2026-06-01standardrating24902490
2026-05-01blitzrating22092209
2026-05-01rapidrating23592359
2026-05-01standardrating24832484
2026-04-01blitzrating22092209
2026-04-01rapidrating23592359
2026-04-01standardrating24832484
2026-03-01blitzrating22092209
2026-03-01rapidrating23592359
2026-03-01standardrating24832484
2026-02-01blitzrating22092209
2026-02-01rapidrating23472347
2026-02-01standardrating24832484
2026-01-01blitzrating22092209
2026-01-01rapidrating23472347
2026-01-01standardrating24802483
2025-12-01blitzrating22002200
2025-12-01rapidrating23472347
2025-12-01standardrating24762476
2025-11-01blitzrating22002200
2025-11-01rapidrating23472347
2025-11-01standardrating24762476
2025-10-01blitzrating22002200
2025-10-01rapidrating23472347
2025-10-01standardrating24762476
2025-09-01blitzrating22002200
2025-09-01rapidrating23472347
2025-09-01standardrating24762476
2025-08-01rapidrating23472347
2025-08-01standardrating25042504
2025-07-01rapidrating23472347
2025-07-01standardrating25042504
2025-06-01rapidrating23472347
2025-06-01standardrating25042504
2025-05-01rapidrating23472347
2025-05-01standardrating25062506

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-09 (UTC).

# Date Event Site Round White Black Result Moves View
251 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 8 Williams,Si1 Bonk,Andras 1-0 34 Open
252 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 1 Williams,Si1 Meruga,Shanmukha 1-0 63 Open
253 2026-03-31 Reykjavik Open 2026 Reykjavik ISL 9.41 Williams,Si1 Sterck,Arno 1-0 46 Open
254 2026-03-30 Reykjavik Open 2026 Reykjavik ISL 8.41 Birkisson,Bardur Orn Williams,Si1 0-1 55 Open
255 2026-03-29 Reykjavik Open 2026 Reykjavik ISL 7.41 Williams,Si1 Andersen,Mad 0-1 27 Open
256 2026-03-28 Reykjavik Open 2026 Reykjavik ISL 5.41 Williams,Si1 De Vleeschauwer,M 1/2-1/2 58 Open
257 2026-03-28 Reykjavik Open 2026 Reykjavik ISL 6.41 Sivanandan,Bodhana Williams,Si1 0-1 108 Open
258 2026-03-27 Reykjavik Open 2026 Reykjavik ISL 4.41 Mahalakshmi,M Williams,Si1 0-1 28 Open
259 2026-03-26 Reykjavik Open 2026 Reykjavik ISL 3.41 Williams,Si1 Maurizzi,MarcAndria 0-1 38 Open
260 2026-03-26 Reykjavik Open 2026 Reykjavik ISL 2.41 Vemparala,Nikash Williams,Si1 0-1 42 Open
261 2026-03-25 Reykjavik Open 2026 Reykjavik ISL 1.41 Williams,Si1 Krischer,Markus 1-0 21 Open
262 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 5 Williams,Si1 Smail,Benedict 1-0 18 Open
263 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 4 Mekhitarian,K Williams,Si1 1-0 34 Open
264 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 1 Williams,Si1 Sayce,Hannah 1-0 45 Open
265 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 7 Alonso Rosell,A Williams,Si1 1-0 29 Open
266 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 2 Williams,Si1 Parpiev,Isaak 0-1 10 Open
267 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 6 Pankiv,Maksym Williams,Si1 0-1 33 Open
268 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 9 Shuvalova,Polina Williams,Si1 1-0 41 Open
269 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 3 Preobrazhenskaya,Diana Williams,Si1 0-1 54 Open
270 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 8 Williams,Si1 Topi Hulmi,T 1-0 43 Open
271 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 10 Williams,Si1 Kourkoulos Arditis,Stamatis 0-1 61 Open
272 2026-03-07 TCh-ISL Kvika 2025-26 Reykjavik ISL 9.12 Williams,Si1 Sulypa,A 1/2-1/2 17 Open
273 2026-03-07 TCh-ISL Kvika 2025-26 Reykjavik ISL 8.12 O'Donnell,Conor Williams,Si1 0-1 31 Open
274 2026-03-06 TCh-ISL Kvika 2025-26 Reykjavik ISL 7.21 Ragnarsson,Dagur Williams,Si1 1/2-1/2 36 Open
275 2026-03-05 TCh-ISL Kvika 2025-26 Reykjavik ISL 6.5 Danielsen,Hen Williams,Si1 0-1 42 Open
276 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 7 Williams,Si1 Weetik,V 0-1 26 Open
277 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 1 Onslow,Alfie Williams,Si1 0-1 59 Open
278 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 3 Williams,Si1 Barcelo Melnyk,Marc 1-0 40 Open
279 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 10 Martinez Ramirez,L Williams,Si1 1-0 39 Open
280 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 5 Williams,Si1 Kravtsiv,M 0-1 40 Open
281 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 11 Williams,Si1 Gharibyan,Mamikon 1/2-1/2 19 Open
282 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 4 Rustamov,Rustam Williams,Si1 0-1 23 Open
283 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 8 Borges Oliveros,Sebastian Francisco Williams,Si1 0-1 66 Open
284 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 2 Meier,Geo Williams,Si1 1-0 46 Open
285 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 9 Williams,Si1 Kshatriya,Nitin Vekhande 1-0 73 Open
286 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 6 Rakhmanov,Ale Williams,Si1 0-1 50 Open
287 2026-02-22 Arctic Chess NGP 2026 Alta NOR 7.1 Williams,Si1 Urkedal,F 1/2-1/2 30 Open
288 2026-02-21 Arctic Chess NGP 2026 Alta NOR 6.1 Kaasen,Tor Fredrik Williams,Si1 0-1 54 Open
289 2026-02-20 Arctic Chess NGP 2026 Alta NOR 4.2 Grave,Jacob Templen Williams,Si1 0-1 34 Open
290 2026-02-19 Arctic Chess NGP 2026 Alta NOR 2.3 Aamodt,Peder Marcus Williams,Si1 0-1 33 Open
291 2026-02-19 Arctic Chess NGP 2026 Alta NOR 3.3 Williams,Si1 Hammari,Vinjar 1/2-1/2 21 Open
292 2026-02-18 Arctic Chess NGP 2026 Alta NOR 1.3 Williams,Si1 Heier,Odin Nikolai 1-0 28 Open
293 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 2 Tabatabaei,M Williams,Si1 1-0 61 Open
294 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 1 Barrionuevo,P Williams,Si1 0-1 44 Open
295 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 7 Wadhwa,Ananya Williams,Si1 0-1 34 Open
296 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 9 Stojanovski,Sa Williams,Si1 0-1 31 Open
297 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 5 Williams,Si1 Kaliakhmet,Elnaz 0-1 41 Open
298 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 6 Cuellar Montes,Alejandro Williams,Si1 1-0 60 Open
299 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 11 Williams,Si1 Stribuk,Artiom 1-0 19 Open
300 2026-02-10 Titled Tue 10th Feb 2026 chess.com INT 10 Williams,Si1 Cori T.,D 1-0 42 Open

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