Calvin John Klaasen

Country

RSA

Birth Year

1987

Gender

M

Title

FT,SI,FIDE Master

FIDE ID

14300133

FIDE ratings

2172

Classical

Published FIDE

2167

Rapid

Published FIDE

2270

Blitz

Published FIDE

Official classical ranks

World rank
#9836
National rank · RSA
#18

Active players · Nov 2026 FIDE list ⓘ

FIDE rating history

Highest recorded rating
2320 Jan 2018
Recorded years
2007–2026
Archived games
220

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Nov 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-02 (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
51 2023-01-04 Cape Town Masters IM 2023 Cape Town RSA 1.2 Calvin John Klaasen Providence Oatlhotse 0-1 58 Open
52 2022-07-17 South African Open 2022 Cape Town RSA 11.1 Calvin John Klaasen Michael Simpson 1-0 40 Open
53 2022-07-16 South African Open 2022 Cape Town RSA 9.2 Calvin John Klaasen Dante M Beukes 0-1 48 Open
54 2022-07-16 South African Open 2022 Cape Town RSA 10.5 Andreas de Jager Calvin John Klaasen 0-1 64 Open
55 2022-07-15 South African Open 2022 Cape Town RSA 8.4 Calvin John Klaasen Kenneth Sean Willenberg 1-0 21 Open
56 2022-07-13 South African Open 2022 Cape Town RSA 7.1 Daniel Cawdery Calvin John Klaasen 1-0 26 Open
57 2022-07-12 South African Open 2022 Cape Town RSA 6.4 Justin Barend Wilken Calvin John Klaasen 0-1 37 Open
58 2022-07-11 South African Open 2022 Cape Town RSA 5.5 Calvin John Klaasen Xolani Cebo Mathebula 1-0 64 Open
59 2022-07-10 South African Open 2022 Cape Town RSA 4.9 Reegan Palmer Calvin John Klaasen 0-1 51 Open
60 2022-07-10 South African Open 2022 Cape Town RSA 3.8 Calvin John Klaasen Minenhle Junior Mncwabe 1/2-1/2 50 Open
61 2022-07-09 South African Open 2022 Cape Town RSA 2.5 Albrecht Van Zyl Calvin John Klaasen 1/2-1/2 41 Open
62 2022-07-09 South African Open 2022 Cape Town RSA 1.5 Calvin John Klaasen Clayton Macheka 1-0 50 Open
63 2022-05-13 ch-RSA 2022 Cape Town RSA 8.4 Kenneth Sean Willenberg Calvin John Klaasen 0-1 40 Open
64 2022-05-12 ch-RSA 2022 Cape Town RSA 7.1 Calvin John Klaasen Khanya Mazibuko 1-0 56 Open
65 2022-05-11 ch-RSA 2022 Cape Town RSA 6.3 Daniel Barrish Calvin John Klaasen 1/2-1/2 77 Open
66 2022-05-10 ch-RSA 2022 Cape Town RSA 5.2 Calvin John Klaasen Watu Kobese 0-1 41 Open
67 2022-05-09 ch-RSA 2022 Cape Town RSA 4.2 Daniel Cawdery Calvin John Klaasen 1-0 34 Open
68 2022-05-08 ch-RSA 2022 Cape Town RSA 3.3 Calvin John Klaasen Shabir Hussain Bhawoodien 1/2-1/2 57 Open
69 2022-05-08 ch-RSA 2022 Cape Town RSA 2.1 Banele Mhango Calvin John Klaasen 1-0 74 Open
70 2022-05-07 ch-RSA 2022 Cape Town RSA 1.4 Calvin John Klaasen Kenneth Terence Solomon 1/2-1/2 41 Open
71 2019-12-17 ch-RSA 2019 Cape Town RSA 11.5 Calvin John Klaasen Benjamin Vincent Hercules 1/2-1/2 29 Open
72 2019-12-16 ch-RSA 2019 Cape Town RSA 10.2 Michael James Calvin John Klaasen 0-1 39 Open
73 2019-12-15 ch-RSA 2019 Cape Town RSA 9.6 Calvin John Klaasen Roland Bezuidenhout 0-1 40 Open
74 2019-12-14 ch-RSA 2019 Cape Town RSA 8.1 Paul Gluckman Calvin John Klaasen 1-0 55 Open
75 2019-12-11 ch-RSA 2019 Cape Town RSA 5.5 Matt Pon Calvin John Klaasen 1/2-1/2 21 Open
76 2019-12-10 ch-RSA 2019 Cape Town RSA 4.3 Calvin John Klaasen Kenneth Terence Solomon 0-1 38 Open
77 2019-12-09 ch-RSA 2019 Cape Town RSA 3.4 Daniel Barrish Calvin John Klaasen 1-0 35 Open
78 2019-12-08 ch-RSA 2019 Cape Town RSA 2.4 Calvin John Klaasen Keith Khumalo 1-0 59 Open
79 2019-12-07 ch-RSA 2019 Cape Town RSA 1.3 Mohamed Ozayr Bhawoodien Calvin John Klaasen 1/2-1/2 37 Open
80 2019-07-16 ch-Africa 2019 Hammamet TUN 8.15 Leykun Mesfin Calvin John Klaasen 0-1 59 Open
81 2019-07-15 ch-Africa 2019 Hammamet TUN 7.17 Calvin John Klaasen Sasha WINSTON-ONYIAH 1-0 52 Open
82 2019-07-13 ch-Africa 2019 Hammamet TUN 5.1 Calvin John Klaasen Essam El Gindy 0-1 71 Open
83 2019-07-12 ch-Africa 2019 Hammamet TUN 4.9 Douglas D Munenga Calvin John Klaasen 1-0 58 Open
84 2019-07-11 ch-Africa 2019 Hammamet TUN 3.4 Calvin John Klaasen Adham Fawzy 1/2-1/2 57 Open
85 2019-04-22 Capablanca Festival IM Pretoria RSA 9.5 Calvin John Klaasen Sahaj Grover 0-1 46 Open
86 2019-04-22 Capablanca Festival IM Pretoria RSA 8.1 Dante M Beukes Calvin John Klaasen 0-1 35 Open
87 2019-04-21 Capablanca Festival IM Pretoria RSA 7.5 Joseph Mwale Calvin John Klaasen 1/2-1/2 25 Open
88 2019-04-21 Capablanca Festival IM Pretoria RSA 6.2 Calvin John Klaasen Roland Bezuidenhout 1/2-1/2 60 Open
89 2019-04-20 Capablanca Festival IM Pretoria RSA 5.4 Keith Khumalo Calvin John Klaasen 1/2-1/2 64 Open
90 2019-04-20 Capablanca Festival IM Pretoria RSA 4.3 Calvin John Klaasen Daniel Cawdery 1/2-1/2 8 Open
91 2019-04-19 Capablanca Festival IM Pretoria RSA 3.3 Rodwell Makoto Calvin John Klaasen 1/2-1/2 33 Open
92 2019-04-19 Capablanca Festival IM Pretoria RSA 2.4 Calvin John Klaasen Daniel Barrish 1/2-1/2 73 Open
93 2019-04-18 Capablanca Festival IM Pretoria RSA 1.2 Benjamin Vincent Hercules Calvin John Klaasen 0-1 37 Open
94 2018-10-05 43rd Olympiad 2018 Batumi GEO 11.42 Maher Ayyad Calvin John Klaasen 0-1 43 Open
95 2018-10-04 43rd Olympiad 2018 Batumi GEO 10.33 Calvin John Klaasen Guillermo Vazquez 0-1 63 Open
96 2018-10-02 43rd Olympiad 2018 Batumi GEO 8.36 Calvin John Klaasen Teerachoti Prasitsoonthorn 1-0 40 Open
97 2018-10-01 43rd Olympiad 2018 Batumi GEO 7.13 Calvin John Klaasen Muhammed Batuhan Dastan 1-0 36 Open
98 2018-09-30 43rd Olympiad 2018 Batumi GEO 6.4 Omran Al Hosani Calvin John Klaasen 0-1 50 Open
99 2018-09-27 43rd Olympiad 2018 Batumi GEO 4.58 Ras Malaku Lorne Calvin John Klaasen 1/2-1/2 100 Open
100 2018-09-26 43rd Olympiad 2018 Batumi GEO 3.25 Calvin John Klaasen Petr Kostenko 1-0 95 Open

© 2024-2026 EloTracker