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
151 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 11 Papasimakopoulos,Alexandros Williams,Si1 1/2-1/2 51 Open
152 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 4 Williams,Si1 Roquero Redondo,Miguel 0-1 19 Open
153 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 5 Koellner,Aaron Noah Williams,Si1 0-1 53 Open
154 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 8 Ferrara,Enzo Williams,Si1 0-1 42 Open
155 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 10 Williams,Si1 Moeller,Maurin 1-0 45 Open
156 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 6 Williams,Si1 Gonzalez Lopez,Lucas 2013 1-0 32 Open
157 2026-06-02 Titled Tue 2nd Jun 2026 chess.com INT 3 Henriquez Villagra,C Williams,Si1 1-0 78 Open
158 2026-05-26 Titled Tue 26th May 2026 chess.com INT 10 Williams,Si1 Ocampos,I 1/2-1/2 77 Open
159 2026-05-26 Titled Tue 26th May 2026 chess.com INT 1 Williams,Si1 Martinez Alcantara,Jose Eduardo 0-1 52 Open
160 2026-05-26 Titled Tue 26th May 2026 chess.com INT 8 Zhirkov,Vladislav Williams,Si1 1-0 57 Open
161 2026-05-26 Titled Tue 26th May 2026 chess.com INT 4 Muzis,Renars Williams,Si1 0-1 35 Open
162 2026-05-26 Titled Tue 26th May 2026 chess.com INT 6 Fernandez Ramos,Iago Williams,Si1 0-1 29 Open
163 2026-05-26 Titled Tue 26th May 2026 chess.com INT 11 Sermukhamedova,Adriana Williams,Si1 0-1 31 Open
164 2026-05-26 Titled Tue 26th May 2026 chess.com INT 5 Williams,Si1 Galaktionov,Artem 0-1 51 Open
165 2026-05-26 Titled Tue 26th May 2026 chess.com INT 3 Williams,Si1 Siddharth,Jagadeesh 0-1 18 Open
166 2026-05-26 Titled Tue 26th May 2026 chess.com INT 7 Williams,Si1 Povshednyi,Ivan 1-0 60 Open
167 2026-05-26 Titled Tue 26th May 2026 chess.com INT 2 Al Atarji,S Williams,Si1 0-1 37 Open
168 2026-05-26 Titled Tue 26th May 2026 chess.com INT 9 Lisenkov,Svyatoslav Williams,Si1 1/2-1/2 83 Open
169 2026-05-19 Titled Tue 19th May 2026 chess.com INT 9 Williams,Si1 Harriott,Tyrell 1-0 45 Open
170 2026-05-19 Titled Tue 19th May 2026 chess.com INT 10 Zierk,S Williams,Si1 1-0 33 Open
171 2026-05-19 Titled Tue 19th May 2026 chess.com INT 7 Williams,Si1 Guo,Ethan 0-1 29 Open
172 2026-05-19 Titled Tue 19th May 2026 chess.com INT 2 Williams,Si1 Mangudi,Amudan 1-0 40 Open
173 2026-05-19 Titled Tue 19th May 2026 chess.com INT 3 Popov,Tikhon Williams,Si1 1-0 42 Open
174 2026-05-19 Titled Tue 19th May 2026 chess.com INT 5 Masruri,R Williams,Si1 0-1 37 Open
175 2026-05-19 Titled Tue 19th May 2026 chess.com INT 1 Vokhidov,Shamsiddin Williams,Si1 1-0 27 Open
176 2026-05-19 Titled Tue 19th May 2026 chess.com INT 11 Williams,Si1 Beulen,M 1-0 24 Open
177 2026-05-19 Titled Tue 19th May 2026 chess.com INT 4 Williams,Si1 Chelly,Yahya 1-0 59 Open
178 2026-05-19 Titled Tue 19th May 2026 chess.com INT 8 Sathvik Adiga Williams,Si1 1-0 42 Open
179 2026-05-19 Titled Tue 19th May 2026 chess.com INT 6 Williams,Si1 Pankiv,Maksym 1/2-1/2 68 Open
180 2026-05-05 Titled Tue 5th May 2026 chess.com INT 7 Williams,Si1 Csonka,B 1-0 47 Open
181 2026-05-05 Titled Tue 5th May 2026 chess.com INT 2 Williams,Si1 Shimanov,A 0-1 71 Open
182 2026-05-05 Titled Tue 5th May 2026 chess.com INT 5 Williams,Si1 Shandrygin,Nikita 1-0 63 Open
183 2026-05-05 Titled Tue 5th May 2026 chess.com INT 6 Henriquez Villagra,C Williams,Si1 1-0 50 Open
184 2026-05-05 Titled Tue 5th May 2026 chess.com INT 4 Pidluznij,Gleb Williams,Si1 0-1 36 Open
185 2026-05-05 Titled Tue 5th May 2026 chess.com INT 1 Fernandez Siles,L Williams,Si1 0-1 51 Open
186 2026-05-05 Titled Tue 5th May 2026 chess.com INT 8 Williams,Si1 Terry,R 0-1 52 Open
187 2026-05-05 Titled Tue 5th May 2026 chess.com INT 3 Williams,Si1 Goldin,R 1-0 22 Open
188 2026-05-05 Titled Tue 5th May 2026 chess.com INT 9 Arslanov,S Williams,Si1 1-0 43 Open
189 2026-05-05 Titled Tue 5th May 2026 chess.com INT 10 Nazari,Arad Williams,Si1 1-0 42 Open
190 2026-05-05 Titled Tue 5th May 2026 chess.com INT 11 Williams,Si1 Gontcharov,Vladislav 0-1 30 Open
191 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 4 Theodorou,Nikolas Williams,Si1 1-0 26 Open
192 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 1 Kiringoda,Thehas Rithmitha Williams,Si1 0-1 89 Open
193 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 6 Meirkhanuly,Akylzhan Williams,Si1 0-1 52 Open
194 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 7 Williams,Si1 Cori T.,D 0-1 26 Open
195 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 3 Ren,Yibai Williams,Si1 0-1 50 Open
196 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 2 Williams,Si1 Bok,B 0-1 37 Open
197 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 8 Mnatsakanyan,Aren Williams,Si1 1-0 47 Open
198 2026-04-30 1st 3-0 Thu 30th Apr 2026 chess.com INT 5 Williams,Si1 Ozcan,Kaan 0-1 42 Open
199 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 8 Williams,Si1 Kourkoulos Arditis,Stamatis 1-0 46 Open
200 2026-04-28 Titled Tue 28th Apr 2026 chess.com INT 4 Sunyuktha,C M N Williams,Si1 1/2-1/2 96 Open

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