Calvin John Klaasen

RSA Born 1987 Male FT,SI,FIDE Master
FIDE ID
14300133

Player overview

Calvin John Klaasen’s highest recorded classical FIDE rating is 2320 (January 2018). On the November 2026 FIDE list, Calvin John Klaasen ranks #9838 worldwide and #18 in South Africa among active classical players.

FIDE ratings

Classical

2172

Published FIDE

Rapid

2167

Published FIDE

Blitz

2270

Published FIDE

Official classical ranks

World rank
#9838
National rank · RSA
#18

Active players · Nov 2026 FIDE list ⓘ

Rating milestones

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

Based on available monthly lists and saved games.

Rating history

FIDE rating history

Published rating lists through Nov 2026.

Download chart or data

View rating lists

Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (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 2016-11-28 African Chess Lounge IM Cape Town RSA 3.4 Calvin John Klaasen Charles De Villiers Draw: 1/2-1/2 70 Open
152 2016-11-27 African Chess Lounge IM Cape Town RSA 2.2 Henry Robert Steel Calvin John Klaasen Draw: 1/2-1/2 20 Open
153 2016-11-27 African Chess Lounge IM Cape Town RSA 1.5 Calvin John Klaasen Phemelo Khetho Won: 1-0 26 Open
154 2016-09-13 42nd Olympiad 2016 Baku AZE 11.49 Calvin John Klaasen Brandon Wilson Draw: 1/2-1/2 86 Open
155 2016-09-12 42nd Olympiad 2016 Baku AZE 10.43 Emarald Takudzwa Mushore Calvin John Klaasen Won: 0-1 24 Open
156 2016-09-09 42nd Olympiad 2016 Baku AZE 7.38 Calvin John Klaasen Ben Hague Draw: 1/2-1/2 33 Open
157 2016-09-08 42nd Olympiad 2016 Baku AZE 6.28 Anh Khoi Nguyen Calvin John Klaasen Lost: 1-0 35 Open
158 2016-09-04 42nd Olympiad 2016 Baku AZE 3.52 Calvin John Klaasen Maung Kyaw Zaw Hein Maung Draw: 1/2-1/2 44 Open
159 2016-09-02 42nd Olympiad 2016 Baku AZE 1.76 Sobhi Mziyako Calvin John Klaasen Won: 0-1 25 Open
160 2016-05-02 Capablanca Festival IM Pretoria RSA 9.2 Dennis Ovcina Calvin John Klaasen Draw: 1/2-1/2 38 Open
161 2016-05-01 Capablanca Festival IM Pretoria RSA 8.5 Calvin John Klaasen Providence Oatlhotse Won: 1-0 63 Open
162 2016-04-30 Capablanca Festival IM Pretoria RSA 7.1 Calvin John Klaasen Chitumbo Mwali Won: 1-0 30 Open
163 2016-04-30 Capablanca Festival IM Pretoria RSA 6.5 Richmond Phiri Calvin John Klaasen Draw: 1/2-1/2 25 Open
164 2016-04-29 Capablanca Festival IM Pretoria RSA 5.2 Calvin John Klaasen Gavin Albert Anderson Draw: 1/2-1/2 21 Open
165 2016-04-28 Capablanca Festival IM Pretoria RSA 4.4 Andrew Kayonde Calvin John Klaasen Won: 0-1 44 Open
166 2016-04-27 Capablanca Festival IM Pretoria RSA 3.3 Calvin John Klaasen Daniel Jere Lost: 0-1 42 Open
167 2016-04-27 Capablanca Festival IM Pretoria RSA 2.3 Daniel Anwuli Calvin John Klaasen Lost: 1-0 35 Open
168 2016-04-26 Capablanca Festival IM Pretoria RSA 1.4 Calvin John Klaasen Donovan Van den Heever Draw: 1/2-1/2 25 Open
169 2015-07-11 South African Open 2015 Cape Town RSA 11.12 Mofoka Alfred Pesa Calvin John Klaasen Draw: 1/2-1/2 60 Open
170 2015-07-09 South African Open 2015 Cape Town RSA 9.11 Nashlen Govindasamy Calvin John Klaasen Draw: 1/2-1/2 53 Open
171 2015-07-08 South African Open 2015 Cape Town RSA 8.5 Calvin John Klaasen Watu Kobese Lost: 0-1 39 Open
172 2015-07-07 South African Open 2015 Cape Town RSA 7.12 Frederick Odendaal Calvin John Klaasen Won: 0-1 38 Open
173 2015-07-06 South African Open 2015 Cape Town RSA 6.16 Calvin John Klaasen Justin Barend Wilken Won: 1-0 33 Open
174 2015-07-05 South African Open 2015 Cape Town RSA 5.12 Paul D. Darling Calvin John Klaasen Draw: 1/2-1/2 56 Open
175 2015-07-05 South African Open 2015 Cape Town RSA 4.18 Calvin John Klaasen Mpho D. Mashope Won: 1-0 41 Open
176 2015-07-04 South African Open 2015 Cape Town RSA 3.3 Abhijit Kunte Calvin John Klaasen Lost: 1-0 36 Open
177 2015-07-04 South African Open 2015 Cape Town RSA 2.15 Calvin John Klaasen Xikombi Baloyi Won: 1-0 32 Open
178 2015-07-03 South African Open 2015 Cape Town RSA 1.18 Jannie Saffier Calvin John Klaasen Won: 0-1 32 Open
179 2015-03-28 Cape Town Classic 2015 Cape Town RSA 7.4 Maxwell Solomon Calvin John Klaasen Draw: 1/2-1/2 58 Open
180 2015-03-27 Cape Town Classic 2015 Cape Town RSA 6.2 Calvin John Klaasen Spencer Masango Draw: 1/2-1/2 42 Open
181 2015-03-26 Cape Town Classic 2015 Cape Town RSA 5.3 Watu Kobese Calvin John Klaasen Lost: 1-0 111 Open
182 2015-03-25 Cape Town Classic 2015 Cape Town RSA 4.3 Calvin John Klaasen Rodwell Makoto Draw: 1/2-1/2 60 Open
183 2015-03-24 Cape Town Classic 2015 Cape Town RSA 3.2 Gillan Bwalya Calvin John Klaasen Lost: 1-0 43 Open
184 2015-03-23 Cape Town Classic 2015 Cape Town RSA 2.4 Calvin John Klaasen Shabir Hussain Bhawoodien Draw: 1/2-1/2 51 Open
185 2015-03-22 Cape Town Classic 2015 Cape Town RSA 1.1 Calvin John Klaasen Musatwe Simutowe Lost: 0-1 37 Open
186 2014-12-21 ch-Africa 2014 Windhoek NAM 8.7 Donovan Van den Heever Calvin John Klaasen Lost: 1-0 30 Open
187 2014-12-20 ch-Africa 2014 Windhoek NAM 7.6 Calvin John Klaasen Persson Abrantes Lost: 0-1 69 Open
188 2014-12-19 ch-Africa 2014 Windhoek NAM 6.4 Daniel Jere Calvin John Klaasen Lost: 1-0 52 Open
189 2014-12-17 ch-Africa 2014 Windhoek NAM 5.4 Calvin John Klaasen Andrew Kayonde Won: 1-0 35 Open
190 2014-12-16 ch-Africa 2014 Windhoek NAM 4.7 Joseph Mwale Calvin John Klaasen Won: 0-1 49 Open
191 2014-12-15 ch-Africa 2014 Windhoek NAM 3.5 Calvin John Klaasen Harold Wanyama Lost: 0-1 36 Open
192 2014-12-14 ch-Africa 2014 Windhoek NAM 2.5 Bomo Lovet Kigigha Calvin John Klaasen Draw: 1/2-1/2 22 Open
193 2014-12-13 ch-Africa 2014 Windhoek NAM 1.1 Calvin John Klaasen Ahmed Adly Won: 1-0 30 Open
194 2014-09-21 Durban Open 2014 Durban RSA 2.4 Gilberto Hernandez Guerrero Calvin John Klaasen Draw: 1/2-1/2 19 Open
195 2014-09-20 Durban Open 2014 Durban RSA 1.29 Calvin John Klaasen 14320568 Won: 1-0 33 Open
196 2014-01-12 ch-RSA Closed 2014 Cape Town RSA 11.5 Calvin John Klaasen Mohamed Ozayr Bhawoodien Draw: 1/2-1/2 17 Open
197 2014-01-11 ch-RSA Closed 2014 Cape Town RSA 9.6 Calvin John Klaasen Charles De Villiers Draw: 1/2-1/2 66 Open
198 2014-01-11 ch-RSA Closed 2014 Cape Town RSA 10.2 Jacques C. Meintjes Calvin John Klaasen Draw: 1/2-1/2 37 Open
199 2014-01-10 ch-RSA Closed 2014 Cape Town RSA 8.1 Watu Kobese Calvin John Klaasen Draw: 1/2-1/2 108 Open
200 2014-01-09 ch-RSA Closed 2014 Cape Town RSA 7.6 Shabir Hussain Bhawoodien Calvin John Klaasen Lost: 1-0 40 Open
  1. vs Charles De VilliersDraw · ½–½White · 2016-11-28 · Round 3.4African Chess Lounge IM
  2. vs Henry Robert SteelDraw · ½–½Black · 2016-11-27 · Round 2.2African Chess Lounge IM
  3. vs Phemelo KhethoWon · 1-0White · 2016-11-27 · Round 1.5African Chess Lounge IM
  4. vs Brandon WilsonDraw · ½–½White · 2016-09-13 · Round 11.4942nd Olympiad 2016
  5. vs Emarald Takudzwa MushoreWon · 0-1Black · 2016-09-12 · Round 10.4342nd Olympiad 2016
  6. vs Ben HagueDraw · ½–½White · 2016-09-09 · Round 7.3842nd Olympiad 2016
  7. vs Anh Khoi NguyenLost · 1-0Black · 2016-09-08 · Round 6.2842nd Olympiad 2016
  8. vs Maung Kyaw Zaw Hein MaungDraw · ½–½White · 2016-09-04 · Round 3.5242nd Olympiad 2016
  9. vs Sobhi MziyakoWon · 0-1Black · 2016-09-02 · Round 1.7642nd Olympiad 2016
  10. vs Dennis OvcinaDraw · ½–½Black · 2016-05-02 · Round 9.2Capablanca Festival IM
  11. vs Providence OatlhotseWon · 1-0White · 2016-05-01 · Round 8.5Capablanca Festival IM
  12. vs Chitumbo MwaliWon · 1-0White · 2016-04-30 · Round 7.1Capablanca Festival IM
  13. vs Richmond PhiriDraw · ½–½Black · 2016-04-30 · Round 6.5Capablanca Festival IM
  14. vs Gavin Albert AndersonDraw · ½–½White · 2016-04-29 · Round 5.2Capablanca Festival IM
  15. vs Andrew KayondeWon · 0-1Black · 2016-04-28 · Round 4.4Capablanca Festival IM
  16. vs Daniel JereLost · 0-1White · 2016-04-27 · Round 3.3Capablanca Festival IM
  17. vs Daniel AnwuliLost · 1-0Black · 2016-04-27 · Round 2.3Capablanca Festival IM
  18. vs Donovan Van den HeeverDraw · ½–½White · 2016-04-26 · Round 1.4Capablanca Festival IM
  19. vs Mofoka Alfred PesaDraw · ½–½Black · 2015-07-11 · Round 11.12South African Open 2015
  20. vs Nashlen GovindasamyDraw · ½–½Black · 2015-07-09 · Round 9.11South African Open 2015
  21. vs Watu KobeseLost · 0-1White · 2015-07-08 · Round 8.5South African Open 2015
  22. vs Frederick OdendaalWon · 0-1Black · 2015-07-07 · Round 7.12South African Open 2015
  23. vs Justin Barend WilkenWon · 1-0White · 2015-07-06 · Round 6.16South African Open 2015
  24. vs Paul D. DarlingDraw · ½–½Black · 2015-07-05 · Round 5.12South African Open 2015
  25. vs Mpho D. MashopeWon · 1-0White · 2015-07-05 · Round 4.18South African Open 2015
  26. vs Abhijit KunteLost · 1-0Black · 2015-07-04 · Round 3.3South African Open 2015
  27. vs Xikombi BaloyiWon · 1-0White · 2015-07-04 · Round 2.15South African Open 2015
  28. vs Jannie SaffierWon · 0-1Black · 2015-07-03 · Round 1.18South African Open 2015
  29. vs Maxwell SolomonDraw · ½–½Black · 2015-03-28 · Round 7.4Cape Town Classic 2015
  30. vs Spencer MasangoDraw · ½–½White · 2015-03-27 · Round 6.2Cape Town Classic 2015
  31. vs Watu KobeseLost · 1-0Black · 2015-03-26 · Round 5.3Cape Town Classic 2015
  32. vs Rodwell MakotoDraw · ½–½White · 2015-03-25 · Round 4.3Cape Town Classic 2015
  33. vs Gillan BwalyaLost · 1-0Black · 2015-03-24 · Round 3.2Cape Town Classic 2015
  34. vs Shabir Hussain BhawoodienDraw · ½–½White · 2015-03-23 · Round 2.4Cape Town Classic 2015
  35. vs Musatwe SimutoweLost · 0-1White · 2015-03-22 · Round 1.1Cape Town Classic 2015
  36. vs Donovan Van den HeeverLost · 1-0Black · 2014-12-21 · Round 8.7ch-Africa 2014
  37. vs Persson AbrantesLost · 0-1White · 2014-12-20 · Round 7.6ch-Africa 2014
  38. vs Daniel JereLost · 1-0Black · 2014-12-19 · Round 6.4ch-Africa 2014
  39. vs Andrew KayondeWon · 1-0White · 2014-12-17 · Round 5.4ch-Africa 2014
  40. vs Joseph MwaleWon · 0-1Black · 2014-12-16 · Round 4.7ch-Africa 2014
  41. vs Harold WanyamaLost · 0-1White · 2014-12-15 · Round 3.5ch-Africa 2014
  42. vs Bomo Lovet KigighaDraw · ½–½Black · 2014-12-14 · Round 2.5ch-Africa 2014
  43. vs Ahmed AdlyWon · 1-0White · 2014-12-13 · Round 1.1ch-Africa 2014
  44. vs Gilberto Hernandez GuerreroDraw · ½–½Black · 2014-09-21 · Round 2.4Durban Open 2014
  45. vs 14320568Won · 1-0White · 2014-09-20 · Round 1.29Durban Open 2014
  46. vs Mohamed Ozayr BhawoodienDraw · ½–½White · 2014-01-12 · Round 11.5ch-RSA Closed 2014
  47. vs Charles De VilliersDraw · ½–½White · 2014-01-11 · Round 9.6ch-RSA Closed 2014
  48. vs Jacques C. MeintjesDraw · ½–½Black · 2014-01-11 · Round 10.2ch-RSA Closed 2014
  49. vs Watu KobeseDraw · ½–½Black · 2014-01-10 · Round 8.1ch-RSA Closed 2014
  50. vs Shabir Hussain BhawoodienLost · 1-0Black · 2014-01-09 · Round 7.6ch-RSA Closed 2014

FIDE tournaments

DateTournamentTypeScore
2026-08-01Cape Town Chess Fedireation Club League 2026 (A)Classical2½

All tournament results