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
1775

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: 2026-10-12 (UTC).

Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).

# Date Event Site Round White Black Result Moves View
201 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 9 Nguyen Ngoc Truong Son Williams,Si1 1-0 41 Open
202 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 2 Williams,Si1 Theodorou,Nikolas 0-1 30 Open
203 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 11 Williams,Si1 Aimdilokwong,Alec D 1/2-1/2 36 Open
204 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 3 Fikiet,Alex Williams,Si1 1-0 71 Open
205 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 1 Williams,Si1 Guarin Fonseca,Nobel Alfredo 1-0 34 Open
206 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 7 Mikhailovsky,Vladimir Williams,Si1 0-1 51 Open
207 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 10 Williams,Si1 Sieciechowicz,M 0-1 42 Open
208 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 6 Williams,Si1 Lana Rodriguez,D 1-0 24 Open
209 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 5 Williams,Si1 Bednarek,S 1-0 55 Open
210 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 9 Williams,Si1 Nazin,R 1-0 22 Open
211 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 6 Tsepilov,Artem Den Williams,Si1 0-1 70 Open
212 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 11 Williams,Si1 Sneha Halder 1-0 23 Open
213 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 8 Aimdilokwong,Alec D Williams,Si1 0-1 51 Open
214 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 2 Williams,Si1 Haug,Havard 0-1 30 Open
215 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 3 Sauer,Tim Williams,Si1 0-1 33 Open
216 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 4 Indjic,A Williams,Si1 1-0 42 Open
217 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 7 Williams,Si1 Vingris,Mikelis 1/2-1/2 105 Open
218 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 10 Korchynskyi,Mykola Williams,Si1 1-0 26 Open
219 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 1 Williams,Si1 Levitan,Judah Nathan 1-0 33 Open
220 2026-04-21 Titled Tue 21st Apr 2026 chess.com INT 5 Williams,Si1 Kraczek,Cezary 0-1 64 Open
221 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 5 Mirzhanov,Arlan Williams,Si1 1-0 41 Open
222 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 3 Kraczek,Cezary Williams,Si1 1/2-1/2 58 Open
223 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 10 Williams,Si1 Karttunen,M 1-0 34 Open
224 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 7 Mikhalsky,Vladimir Williams,Si1 1-0 65 Open
225 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 4 Williams,Si1 Kashlinskaya,A 1-0 44 Open
226 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 2 Williams,Si1 Maghsoodloo,Parham 0-1 32 Open
227 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 6 Williams,Si1 Swayham,P Das 1-0 24 Open
228 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 9 Hoang Tan Vinh Williams,Si1 1-0 35 Open
229 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 11 Gontcharov,Vladislav Williams,Si1 0-1 52 Open
230 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 8 Williams,Si1 Bonk,Andras 1-0 34 Open
231 2026-04-14 Titled Tue 14th Apr 2026 chess.com INT 1 Williams,Si1 Meruga,Shanmukha 1-0 63 Open
232 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 5 Williams,Si1 Smail,Benedict 1-0 18 Open
233 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 4 Mekhitarian,K Williams,Si1 1-0 34 Open
234 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 1 Williams,Si1 Sayce,Hannah 1-0 45 Open
235 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 7 Alonso Rosell,A Williams,Si1 1-0 29 Open
236 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 2 Williams,Si1 Parpiev,Isaak 0-1 10 Open
237 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 6 Pankiv,Maksym Williams,Si1 0-1 33 Open
238 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 9 Shuvalova,Polina Williams,Si1 1-0 41 Open
239 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 3 Preobrazhenskaya,Diana Williams,Si1 0-1 54 Open
240 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 8 Williams,Si1 Topi Hulmi,T 1-0 43 Open
241 2026-03-10 Titled Tue 10th Mar 2026 chess.com INT 10 Williams,Si1 Kourkoulos Arditis,Stamatis 0-1 61 Open
242 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 7 Williams,Si1 Weetik,V 0-1 26 Open
243 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 1 Onslow,Alfie Williams,Si1 0-1 59 Open
244 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 3 Williams,Si1 Barcelo Melnyk,Marc 1-0 40 Open
245 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 10 Martinez Ramirez,L Williams,Si1 1-0 39 Open
246 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 5 Williams,Si1 Kravtsiv,M 0-1 40 Open
247 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 11 Williams,Si1 Gharibyan,Mamikon 1/2-1/2 19 Open
248 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 4 Rustamov,Rustam Williams,Si1 0-1 23 Open
249 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 8 Borges Oliveros,Sebastian Francisco Williams,Si1 0-1 66 Open
250 2026-03-03 Titled Tue 3rd Mar 2026 chess.com INT 2 Meier,Geo Williams,Si1 1-0 46 Open

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