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Klaasen, Calvin John

FM🇿🇦

FIDEFIDE 14300133· Male· South Africa· Born in 1987

Follow Calvin John KlaasenTrack his monthly FIDE ratings, games, tournaments and more.

Calvin John Klaasen, a 39-year-old South African FIDE Master, is rated 2171 and ranked 21st among South African players, and in the top 5% worldwide. He has held steady between 2150 and 2200 for 2 years. 23 rated games in the past year (≈29/year long-term). Recent appearances: 2026 South African Closed Chess Championships (Open) and Cape Town Chess Federation Club League 2025 (A). He had 3 career breaks: 14 months (2007–2008), 23 months (2009–2011) and 27 months (2020–2022, COVID-19 included). His peak of 2320 was reached at age 31 (Jan 2018, South African #4 at the time); he spent 71 months in South African top 10, with a longest streak of 3 consecutive years.

Awarded FM in 2013 (age 26). At junior level, he reached #3 nationally in U20.

Current rating

2171

Standard

Rpd2167·Blz2270

All-time high

2320

149 pts below
Jan 2018 · age 31

Activity

36

games / yr avg. · ≈3/mo

23 past 12 mo · ≈2/mo
classical only
Active

Signature stat

#21

#21 · South African players · of 1,804
71 months in National top 10 (2016–2023)

Career timeline

20 entries
2024
500 career games
at age 37
Nov 2024
2023
71 months in national top 10
longest streak 41 months · since Jan 2016
Oct 2023
Re-crossed 2200
at age 36
Jun 2023
2022
Re-crossed 2200
at age 35
Nov 2022
2020
Inactive for 27 months
paused at 2208 → returned at 2245
Jan 2020
2018
Re-crossed 2300
at age 31
Jun 2018

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19

Activity & highlights

Top opponent
vs Jan KarstenIM 2,385

Last 12 months — tournaments

3 events
EventDateScoreRankPerfΔ Elo
Open Swiss
Apr 20264.5/9#142150-6.0
Round-Robin
Feb 20264.5/11#92150-13.0
Team
Jul 20252.5/3#812190+3.2

Most-Played Opponents

Rankings

/
South Africa
#21
out of 1,876 players
Africa
#149
in continent
World
#9,856
out of 400,000+

National ranking

Europe & World

Europe
World
South Africa
1
🇿🇦Steel, Henry RobertFollow Henry Robert SteelTrack their monthly FIDE ratings, games, tournaments and more.
2,408
2
🇿🇦Karsten, JanFollow Jan KarstenTrack their monthly FIDE ratings, games, tournaments and more.
2,386
3
🇿🇦Cawdery, DanielFollow Daniel CawderyTrack their monthly FIDE ratings, games, tournaments and more.
2,312
4
🇿🇦Levitan, Caleb LeviFollow Caleb Levi LevitanTrack their monthly FIDE ratings, games, tournaments and more.
2,295
5
🇿🇦Felix, RaphaelFollow Raphael FelixTrack their monthly FIDE ratings, games, tournaments and more.
2,293
6
🇿🇦Bezuidenhout, RolandFollow Roland BezuidenhoutTrack their monthly FIDE ratings, games, tournaments and more.
2,284
7
🇿🇦Solomon, Kenneth TerenceFollow Kenneth Terence SolomonTrack their monthly FIDE ratings, games, tournaments and more.
2,277
8
🇿🇦Mhango, BaneleFollow Banele MhangoTrack their monthly FIDE ratings, games, tournaments and more.
2,268
9
🇿🇦Barrish, DanielFollow Daniel BarrishTrack their monthly FIDE ratings, games, tournaments and more.
2,245
10
🇿🇦Kobese, WatuFollow Watu KobeseTrack their monthly FIDE ratings, games, tournaments and more.
2,237
...
21🇿🇦Klaasen, Calvin John2,171
Africa
1
🇪🇬Amin, BassemFollow Bassem AminTrack their monthly FIDE ratings, games, tournaments and more.
2,628
2
🇪🇬Adly, AhmedFollow Ahmed AdlyTrack their monthly FIDE ratings, games, tournaments and more.
2,581
3
🇲🇦Hamdouchi, HichamFollow Hicham HamdouchiTrack their monthly FIDE ratings, games, tournaments and more.
2,502
4
🇩🇿Bellahcene, BilelFollow Bilel BellahceneTrack their monthly FIDE ratings, games, tournaments and more.
2,493
5
🇪🇬Fawzy, AdhamFollow Adham FawzyTrack their monthly FIDE ratings, games, tournaments and more.
2,464
6
🇩🇿Arab, AdlaneFollow Adlane ArabTrack their monthly FIDE ratings, games, tournaments and more.
2,453
7
🇪🇬Shoker, SamyFollow Samy ShokerTrack their monthly FIDE ratings, games, tournaments and more.
2,443
8
🇲🇬Rakotomaharo, Fy AntenainaFollow Fy Antenaina RakotomaharoTrack their monthly FIDE ratings, games, tournaments and more.
2,437
9
🇩🇿Rizouk, AimenFollow Aimen RizoukTrack their monthly FIDE ratings, games, tournaments and more.
2,425
10
🇪🇬Labib, Ibrahim HasanFollow Ibrahim Hasan LabibTrack their monthly FIDE ratings, games, tournaments and more.
2,412
...
149🇿🇦Klaasen, Calvin John2,171
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
9856🇿🇦Klaasen, Calvin John2,171