Pieter Claesen

Country

BEL

Birth Year

1971

Gender

M

Title

International Master

FIDE ID

200727

FIDE ratings

2278

Classical

Published FIDE

2224

Rapid

Published FIDE

2245

Blitz

Published FIDE

Official classical ranks

World rank
#4833
National rank · BEL
#52

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2411 Jan 2001
Recorded years
2001–2026
Archived games
129

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: 2026-10-03 (UTC).

# Date Event Site Round White Black Result Moves View
1 2026-02-08 TCh-BEL 2025-26 Belgium BEL 7.6 Hanne Goossens Pieter Claesen 1/2-1/2 22 Open
2 2020-02-16 TCh-BEL 2019-20 Belgium BEL 8.4 Pieter Claesen Arno Sterck 0-1 50 Open
3 2019-12-15 TCh-BEL 2019-20 Belgium BEL 4.3 Fernando Braga Pieter Claesen 1-0 27 Open
4 2019-12-01 TCh-BEL 2019-20 Belgium BEL 5.4 Tom E Wiley Pieter Claesen 1-0 55 Open
5 2019-10-13 TCh-BEL 2019-20 Belgium BEL 2.3 Demre Kerigan Pieter Claesen 1/2-1/2 74 Open
6 2019-09-29 TCh-BEL 2019-20 Belgium BEL 1.6 Alje Hovenga Pieter Claesen 1-0 65 Open
7 2019-04-07 TCh-BEL 2018-19 Belgium BEL 11.6 Pieter Claesen Luk Vanstreels 1-0 52 Open
8 2019-03-17 TCh-BEL 2018-19 Belgium BEL 9.6 Pieter Claesen Pieter Hopman 0-1 70 Open
9 2019-02-24 TCh-BEL 2018-19 Belgium BEL 8.5 Pieter Claesen Michael Wunnink 1/2-1/2 14 Open
10 2018-12-02 TCh-BEL 2018-19 Belgium BEL 5.6 Pieter Claesen Nico Zwirs 0-1 30 Open
11 2018-11-18 TCh-BEL 2018-19 Belgium BEL 4.5 Pieter Claesen Thierry Van Houtte 1-0 45 Open
12 2018-09-30 TCh-BEL 2018-19 Belgium BEL 1.5 Andreas, Dr. Bruehl Pieter Claesen 1/2-1/2 51 Open
13 2018-08-15 34th Geraardsbergen Open Geraardsbergen BEL 9.2 Pieter Claesen Manuel Bosboom 1/2-1/2 34 Open
14 2018-08-14 34th Geraardsbergen Open Geraardsbergen BEL 8.3 Jouke Van Veelen Pieter Claesen 1/2-1/2 42 Open
15 2018-08-14 34th Geraardsbergen Open Geraardsbergen BEL 7.4 Pieter Claesen Arjen Van Amerongen 1-0 41 Open
16 2018-08-12 34th Geraardsbergen Open Geraardsbergen BEL 4.6 Sierk Kanis Pieter Claesen 0-1 37 Open
17 2018-08-11 34th Geraardsbergen Open Geraardsbergen BEL 2.5 Philippe Da Ces Pieter Claesen 1/2-1/2 28 Open
18 2018-08-11 34th Geraardsbergen Open Geraardsbergen BEL 1.5 Pieter Claesen Philippe Vanhellemont 1-0 31 Open
19 2018-04-29 TCh-BEL 2017-18 Belgium BEL 11.3 Pieter Claesen Jorge Viterbo Ferreira 0-1 24 Open
20 2018-04-22 TCh-BEL 2017-18 Belgium BEL 10.3 Robby Kevlishvili Pieter Claesen 1/2-1/2 46 Open
21 2018-03-25 TCh-BEL 2017-18 Belgium BEL 9.4 Nathan De Strycker Pieter Claesen 1/2-1/2 27 Open
22 2018-03-11 TCh-BEL 2017-18 Belgium BEL 8.4 Pieter Claesen Hans-Hubert Sonntag 1/2-1/2 49 Open
23 2018-02-25 TCh-BEL 2017-18 Belgium BEL 7.2 Daniyal Saiboulatov Pieter Claesen 0-1 68 Open
24 2018-02-04 TCh-BEL 2017-18 Belgium BEL 6.5 Pieter Claesen Zoltan Varga 1/2-1/2 39 Open
25 2017-11-19 TCh-BEL 2017-18 Belgium BEL 4.3 Pieter Claesen Manuel Bosboom 0-1 36 Open
26 2017-11-06 21st European Teams Hersonissos GRE 9.19 Pieter Claesen Jonathan I M Grant 1/2-1/2 79 Open
27 2017-11-05 21st European Teams Hersonissos GRE 8.18 Pieter Claesen Dejan Stojanovski 1/2-1/2 46 Open
28 2017-11-04 21st European Teams Hersonissos GRE 7.18 Pieter Claesen Blazo Kalezic 1/2-1/2 42 Open
29 2017-11-01 21st European Teams Hersonissos GRE 5.2 Argirios Papadopoulos Pieter Claesen 1/2-1/2 82 Open
30 2017-10-31 21st European Teams Hersonissos GRE 4.2 Avni Ermeni Pieter Claesen 1/2-1/2 31 Open
31 2017-10-29 21st European Teams Hersonissos GRE 2.16 Pieter Claesen Oliver Kurmann 0-1 33 Open
32 2017-10-28 21st European Teams Hersonissos GRE 1.16 Alexei Fedorov Pieter Claesen 1-0 25 Open
33 2017-10-22 TCh-BEL 2017-18 Belgium BEL 3.5 Aleksej Litwak Pieter Claesen 1/2-1/2 26 Open
34 2017-09-24 TCh-BEL 2017-18 Belgium BEL 1.7 Edyta Jakubiec Pieter Claesen 1/2-1/2 36 Open
35 2017-07-09 ch-BEL 2017 Niel BEL 9.5 Pieter Claesen Adrian Roos 1/2-1/2 19 Open
36 2017-07-08 ch-BEL 2017 Niel BEL 8.1 Alexandre Dgebuadze Pieter Claesen 1/2-1/2 47 Open
37 2017-07-07 ch-BEL 2017 Niel BEL 7.5 Steven Geirnaert Pieter Claesen 1/2-1/2 46 Open
38 2017-07-06 ch-BEL 2017 Niel BEL 6.2 Pieter Claesen Gorik Cools 1/2-1/2 62 Open
39 2017-07-05 ch-BEL 2017 Niel BEL 5.4 Stefan Docx Pieter Claesen 1-0 52 Open
40 2017-07-04 ch-BEL 2017 Niel BEL 4.3 Pieter Claesen Mher Hovhannisyan 0-1 59 Open
41 2017-07-03 ch-BEL 2017 Niel BEL 3.3 Stefan Beukema Pieter Claesen 0-1 38 Open
42 2017-07-02 ch-BEL 2017 Niel BEL 2.4 Pieter Claesen Tom Piceu 0-1 106 Open
43 2017-07-01 ch-BEL 2017 Niel BEL 1.2 Arno Sterck Pieter Claesen 1/2-1/2 25 Open
44 2017-04-30 TCh-BEL 2016-17 Belgium BEL 11.3 Pieter Claesen Roeland Pruijssers 0-1 61 Open
45 2017-03-26 TCh-BEL 2016-17 Belgium BEL 10.3 Robin Swinkels Pieter Claesen 1-0 26 Open
46 2017-03-12 TCh-BEL 2016-17 Belgium BEL 9.5 Pieter Claesen Tobias Kabos 1/2-1/2 56 Open
47 2017-02-19 TCh-BEL 2016-17 Belgium BEL 8.4 Pieter Claesen Linton Donovan 1/2-1/2 44 Open
48 2017-02-12 TCh-BEL 2016-17 Belgium BEL 7.6 Vincent Blom Pieter Claesen 1/2-1/2 35 Open
49 2017-01-29 TCh-BEL 2016-17 Belgium BEL 6.6 Pieter Claesen Martin Ahn 1-0 48 Open
50 2016-11-27 TCh-BEL 2016-17 Belgium BEL 4.5 Pieter Claesen Udo Hoffmann 1-0 68 Open

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