Guillaume Sermier

Country

SUI

Birth Year

1978

Gender

M

Title

International Master

FIDE ID

605832

FIDE ratings

2286

Classical

Published FIDE

2362

Rapid

Published FIDE

2398

Blitz

Published FIDE

Official classical ranks

World rank
#4550
National rank · SUI
#51

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2428 Mar 2011
Recorded years
2001–2026
Archived games
89

Based on available monthly lists and saved games.

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: 2026-10-04 (UTC).

# Date Event Site Round White Black Result Moves View
1 2026-08-23 Swiss National League A 2026 (SMM NLA) Zürich, Switzerland 7.1 Mosesov, Danyil Sermier, Guillaume 1-0 50 Open 🎥
2 2026-08-23 TCh-SUI 2026 Switzerland SUI 7.1 Mosesov,Danyil Sermier,G 1-0 50 Open
3 2026-08-22 Swiss National League A 2026 (SMM NLA) Zürich, Switzerland 6.1 Ragger, Markus Sermier, Guillaume 1/2-1/2 53 Open 🎥
4 2026-08-22 TCh-SUI 2026 Switzerland SUI 6.1 Ragger,M Sermier,G 1/2-1/2 53 Open
5 2026-04-19 Swiss National League A 2026 (SMM NLA) Zürich, Switzerland 2.3 Edouard, Romain Sermier, Guillaume 1-0 31 Open 🎥
6 2026-04-19 TCh-SUI 2026 Switzerland SUI 2.3 Edouard,R Sermier,G 1-0 31 Open
7 2026-03-15 Swiss National League A 2026 (SMM NLA) Zürich, Switzerland 1.5 Sermier, Guillaume Petkidis, Anthony 1/2-1/2 31 Open 🎥
8 2026-03-15 TCh-SUI 2026 Switzerland SUI 1.3 Sermier,G Petkidis,A 1/2-1/2 31 Open
9 2022-11-13 TCh-SUI 2022 Switzerland SUI 9.1 Guillaume Sermier Michael Prusikin 1/2-1/2 30 Open
10 2022-11-12 TCh-SUI 2022 Switzerland SUI 8.1 Guillaume Sermier Benedict Hasenohr 1/2-1/2 36 Open
11 2022-09-18 TCh-SUI 2022 Switzerland SUI 7.1 Guillaume Sermier Mihajlo Stojanovic 1/2-1/2 37 Open
12 2022-09-04 TCh-SUI 2022 Switzerland SUI 5.3 Sacha Georges Guillaume Sermier 1/2-1/2 36 Open
13 2022-09-03 TCh-SUI 2022 Switzerland SUI 4.3 Guillaume Sermier Sebastien Joie 0-1 44 Open
14 2022-06-12 TCh-SUI 2022 Switzerland SUI 3.1 Guillaume Sermier Dennis Breder 1/2-1/2 60 Open
15 2021-12-12 TCh-SUI 2021 Switzerland SUI 9.1 Nico Georgiadis Guillaume Sermier 1/2-1/2 64 Open
16 2021-12-11 TCh-SUI 2021 Switzerland SUI 8.1 Mihajlo Stojanovic Guillaume Sermier 1/2-1/2 51 Open
17 2021-11-07 TCh-SUI 2021 Switzerland SUI 7.1 Guillaume Sermier Jean-Noel Riff 1/2-1/2 15 Open
18 2021-11-06 TCh-SUI 2021 Switzerland SUI 6.3 Damjan Plesec Guillaume Sermier 1/2-1/2 48 Open
19 2021-10-24 TCh-SUI 2021 Switzerland SUI 5.3 Olivier Renet Guillaume Sermier 1/2-1/2 31 Open
20 2021-10-23 TCh-SUI 2021 Switzerland SUI 4.1 Michael Prusikin Guillaume Sermier 1/2-1/2 30 Open
21 2021-10-10 TCh-SUI 2021 Switzerland SUI 3.1 Guillaume Sermier Oliver Kurmann 0-1 49 Open
22 2021-09-19 TCh-SUI 2021 Switzerland SUI 2.3 Guillaume Sermier Peter, Dr. Kuehn 1-0 31 Open
23 2021-08-29 TCh-SUI 2021 Switzerland SUI 1.1 Guillaume Sermier Yannick Pelletier 0-1 37 Open
24 2019-10-20 TCh-SUI 2019 Switzerland SUI 9.3 Guillaume Sermier Dennis Kaczmarczyk 1/2-1/2 31 Open
25 2019-10-19 TCh-SUI 2019 Switzerland SUI 8.2 Guillaume Sermier Ali Habibi 1-0 43 Open
26 2019-09-08 TCh-SUI 2019 Switzerland SUI 7.3 Guillaume Sermier Evgeny Degtiarev 1/2-1/2 31 Open
27 2019-09-07 TCh-SUI 2019 Switzerland SUI 6.1 Robert Fontaine Guillaume Sermier 1-0 26 Open
28 2019-06-30 TCh-SUI 2019 Switzerland SUI 5.1 Guillaume Sermier Michael Prusikin 1/2-1/2 42 Open
29 2019-05-05 TCh-SUI 2019 Switzerland SUI 4.2 Guillaume Sermier Jean Netzer 1/2-1/2 26 Open
30 2019-05-04 TCh-SUI 2019 Switzerland SUI 3.1 Martin Kraemer Guillaume Sermier 1/2-1/2 45 Open
31 2019-04-14 TCh-SUI 2019 Switzerland SUI 2.1 Guillaume Sermier Markus Ragger 0-1 43 Open
32 2019-03-10 TCh-SUI 2019 Switzerland SUI 1.2 Guillaume Sermier Christian Bauer 1/2-1/2 56 Open
33 2018-10-28 TCh-SUI 2018 Switzerland SUI 9.2 Guillaume Sermier Fabio Bellini 1/2-1/2 37 Open
34 2018-10-27 TCh-SUI 2018 Switzerland SUI 8.2 Guillaume Sermier Martin Kraemer 0-1 49 Open
35 2018-09-09 TCh-SUI 2018 Switzerland SUI 7.1 Guillaume Sermier Milan Novkovic 1/2-1/2 51 Open
36 2018-09-08 TCh-SUI 2018 Switzerland SUI 6.1 Markus Ragger Guillaume Sermier 1-0 61 Open
37 2018-07-01 TCh-SUI 2018 Switzerland SUI 5.1 Sebastian Bogner Guillaume Sermier 1-0 53 Open
38 2018-06-10 TCh-SUI 2018 Switzerland SUI 4.1 Guillaume Sermier Nikita Petrov 0-1 43 Open
39 2018-04-29 TCh-SUI 2018 Switzerland SUI 3.3 Luca Kessler Guillaume Sermier 1/2-1/2 50 Open
40 2018-04-15 TCh-SUI 2018 Switzerland SUI 2.1 Guillaume Sermier Christian Bauer 0-1 55 Open
41 2018-03-25 TCh-SUI 2018 Switzerland SUI 1.1 Guillaume Sermier Pentala Harikrishna 1/2-1/2 65 Open
42 2017-10-15 TCh-SUI 2017 Switzerland SUI 9.2 Oleg Zujev Guillaume Sermier 0-1 53 Open
43 2017-10-14 TCh-SUI 2017 Switzerland SUI 8.2 Guillaume Sermier Michael Prusikin 0-1 34 Open
44 2017-09-03 TCh-SUI 2017 Switzerland SUI 7.2 Guillaume Sermier Frank Zeller 1/2-1/2 58 Open
45 2017-09-02 TCh-SUI 2017 Switzerland SUI 6.2 Robert Huebner Guillaume Sermier 1-0 43 Open
46 2017-06-24 Coupe de France 2017 Asnieres-sur-Seine FRA 1.2 Guillaume Sermier Adrien Demuth 1/2-1/2 46 Open
47 2017-06-11 TCh-SUI 2017 Switzerland SUI 5.2 Evgeny Degtiarev Guillaume Sermier 0-1 34 Open
48 2017-05-14 TCh-SUI 2017 Switzerland SUI 4.2 Guillaume Sermier Christian Bauer 1/2-1/2 88 Open
49 2017-04-23 TCh-SUI 2017 Switzerland SUI 3.2 Olivier Renet Guillaume Sermier 1-0 52 Open
50 2017-03-19 TCh-SUI 2017 Switzerland SUI 1.2 Guillaume Sermier Jean-Noel Riff 1/2-1/2 14 Open

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