Calvin John Klaasen - Chess Player Overview
Last update: 03/09/2023 02:19:41 GMT+2
Player's activity: ON
Player's name: Calvin John Klaasen (RSA) 
Player's photo: (Search in Google Images)
Age: 38 years old (born in 1987)
Sex: ♂
Highest FIDE Elo achieved: 2320
Calvin John Klaasen Chess Games: 85
2167 (Rapid)
2270 (Blitz)
Calvin John Klaasen - Charts
FIDE Elo
Activity chart
Calvin John Klaasen - Chess Tournaments
| Date | Chess tournament name | Initial ranking | Final ranking | Performance |
|---|---|---|---|---|
| 2023-05-06 to 2023-05-13 | 2023 African Individual Chess Championship - Open  |
32 | 22 [+10] | 2243 |
| 2023-03-24 to 2023-03-26 | Cape Town Open 2023 Championship |
3 | 3 [0] | 2129 |
| 2023-01-04 to 2023-01-08 | CAPE TOWN MASTERS CHALLENGE IM Norm |
2 | 7 [-5] | 2219 |
| 2022-08-20 to 2022-10-01 | 2022 WP League A Division |
49 | 14 [+35] | 2122 |
| 2022-07-09 to 2022-07-17 | South African Open Championship Section |
5 | 5 [0] | 2063 |
| 2022-07-09 to 2022-07-17 | SA Open 2022 Championship |
4 | 4 [0] | 0 |
| 2022-05-07 to 2022-05-14 | 2022 SACCC Open |
5 | 6 [-1] | 2141 |
| 2022-05-21 to 2022-05-29 | 2nd Sharjah Challengers 2022 International Chess Championship  |
2 | 7 [-5] | 2175 |
| 2022-03-06 to 2022-03-12 | 2022 Zone 4.5 Individual Chess Championships Open  |
5 | 1 [+4] | 2331 |
| 2020-09-27 to 2020-09-27 | Sundays With Unity, Mega Event. September 27th, 2020.  |
4 | 4 [0] | 0 |
| 2020-08-30 to 2020-08-30 | Sundays with Unity : Monthly International Open Online Blitz Tournament ( 30th August - Mega Event ) |
365 | 365 [0] | 0 |
| 2020-07-25 to 2020-07-25 | Eureka Chess Open A Section Online Tournament 2020 |
31 | 31 [0] | 0 |
| 2020-01-05 to 2020-01-05 | 2019 SAJCC Blitz A |
4 | 19 [-15] | 1783 |
| 2019-12-07 to 2019-12-17 | 2019 South African Closed Chess Championships Open |
10 | 10 [0] | 2112 |
| 2019-11-11 to 2019-11-16 | International Chess Tournament - Luanda - SADC  |
4 | 8 [-4] | 2147 |
| 2019-04-05 to 2019-04-07 | Steinitz Chess Festival 2019 A Section |
2 | 4 [-2] | 2167 |
| 2018-07-09 to 2019-07-17 | 2019 African Chess Individual Championship Open  |
21 | 19 [+2] | 2247 |
| 2019-09-27 to 2019-09-29 | 2019 National Club Chess Championships A-Section |
31 | 7 [+24] | 2160 |
| 2019-04-18 to 2019-04-22 | 2019 Capablanca Chess Festival IM Norm |
9 | 5 [+4] | 2294 |
| 2019-11-11 to 2019-11-16 | International Chess Tournament - Luanda - SADC |
4 | 8 [-4] | 2147 |
| 2018-06-26 to 2018-07-03 | Commonwealth Chess Championships 2018 OPEN  |
29 | 29 [0] | 2043 |
| 2017-10-27 to 2017-10-29 | GPCA - Pitt Memorial 2017 - Elite |
2 | 1 [+1] | 2470 |
| 2018-09-24 to 2018-10-05 | 43rd Olympiad Batumi 2018 Open  |
448 | 136 [+312] | 2407 |
| 2018-08-04 to 2018-09-15 | 2018 Western Province League Premier Section |
67 | 8 [+59] | 2132 |
| 2018-04-26 to 2018-05-01 | 2018 Capablanca GM Norm |
6 | 8 [-2] | 2326 |
| 2018-04-08 to 2018-04-14 | 2018 Zone 4.3 Individual Chess Championships - Open Section  |
3 | 3 [0] | 2343 |
| 2017-12-09 to 2017-12-19 | 2017 South African Closed Chess Championships Open |
8 | 2 [+6] | 2337 |
| 2018-11-25 to 2018-11-25 | Graham Solomon Memorial 2018 Blitz |
13 | 7 [+6] | 2226 |
| 2018-11-24 to 2018-11-24 | Graham Solomon Memorial 2018 Rapid |
4 | 11 [-7] | 2033 |
| 2018-03-12 to 2018-03-18 | 2018 Boardwalk Pearson Open ( IM Norm) |
9 | 10 [-1] | 2121 |
| 2017-09-23 to 2017-09-25 | 2017 National Club Championships A-Section |
18 | 29 [-11] | 2242 |
| 2017-08-31 to 2017-09-03 | SA Inter Provincial 2017 A Section |
15 | 1 [+14] | 2263 |
| 2016-04-21 to 2016-04-24 | Steinitz Chess Festival 2016 - Elite Section |
1 | 4 [-3] | 1986 |
| 2017-06-30 to 2017-07-11 | Cape Town ACL Tournament - Masters Section |
6 | 1 [+5] | 2883 |
| 2017-06-03 to 2017-06-03 | DSK Open Section |
2 | 1 [+1] | 2104 |
| 2017-04-26 to 2017-05-01 | 2017 PSS Capablanca IM Norm |
1 | 6 [-5] | 2300 |
| 2017-03-20 to 2017-03-26 | Cape Town Heritage Chess Festival - Elite Section |
2 | 2 [0] | 2219 |
| 2017-04-14 to 2017-04-17 | Steinitz Chess Festival 2017 - Elite Section |
3 | 7 [-4] | 2111 |
| 2016-11-27 to 2016-12-04 | 2016 African Chess Lounge IM Norm |
5 | 4 [+1] | 2351 |
| 2016-07-01 to 2016-07-09 | South African Open Chess Championships 2016 A-Section |
7 | 14 [-7] | 2057 |
| 2015-12-12 to 2015-12-22 | SA Closed 2015 : Open A |
4 | 3 [+1] | 2341 |
| 2015-09-24 to 2015-09-27 | Steinitz Chess Festival 2015 Elite Section |
6 | 8 [-2] | 2102 |
| 2015-07-03 to 2015-07-11 | South African Open 2015 A-Section |
18 | 24 [-6] | 2109 |
| 2015-03-22 to 2015-03-28 | Cape Town Classic 2015 Prestige Section |
1 | 7 [-6] | 2065 |
| 2014-12-13 to 2014-12-22 | African Individual Chess Championships 2014 Open  |
16 | 13 [+3] | 2227 |
| 2014-09-20 to 2014-09-29 | Durban Open Grandmasters Chess Tournament |
31 | 81 [-50] | 0 |
| 2014-05-09 to 2014-05-17 | Steinitz Open 2014 (Prestige A) |
10 | 2 [+8] | 2177 |
| 2014-06-13 to 2014-06-16 | Manyanani Chess Festival 2014 Prestige Section |
4 | 2 [+2] | 2293 |
| 2014-01-04 to 2014-01-12 | SA Closed Chess Championship - A Section Open |
10 | 8 [+2] | 2151 |
| 2014-07-24 to 2014-07-27 | Curro Open 2014 Elite Section |
1 | 4 [-3] | 1965 |
| 2013-07-06 to 2013-07-14 | Commonwealth & South African Open Chess Championship 2013 Open Section |
34 | 67 [-33] | 1735 |
| 2013-07-19 to 2013-07-21 | DSK2013 Prestige Section |
3 | 2 [+1] | 1451 |
| 2013-05-01 to 2013-05-09 | Zone 4.3 Championships 2013 Open  |
9 | 6 [+3] | 2169 |
| 2012-04-27 to 2012-05-01 | 2012 Capablanca Open Chess Festival Prestige B |
4 | 3 [+1] | 2269 |
| 2011-08-15 to 2011-08-21 | The 26th Summer universiade Individual Men  |
54 | 48 [+6] | 1861 |
| 2011-06-24 to 2011-06-24 | Commonwealth & South African Open 2011 Open Section |
52 | 50 [+2] | 2157 |
| 2006-04-26 to 2006-05-02 | 2016 Capablanca Im Norm |
4 | 3 [+1] | 2341 |
Calvin John Klaasen - Chess Games
Calvin John Klaasen - Chess Games
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| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2022.07.17 | Klaasen, Calvin John (2212) vs (1860) Simpson, Michael South African Open Championship Section Slav Rubinstein |
1-0 | D11 | |
| 2022.07.16 | De Jager, Andreas (1853) vs (2212) Klaasen, Calvin John South African Open Championship Section Sicilian Accelerated Dragon - Simagin |
0-1 | B34 | |
| 2022.07.16 | Klaasen, Calvin John (2212) vs (2234) Beukes, Dante M South African Open Championship Section King's Indian Schwarz (Makogonov) |
0-1 | E71 | |
| 2022.07.15 | Klaasen, Calvin John (2212) vs (1935) Willenberg, Kenneth Sean South African Open Championship Section Sicilian Closed |
1-0 | B23 | |
| 2022.07.13 | Cawdery, Daniel (2417) vs (2212) Klaasen, Calvin John South African Open Championship Section Spanish Morphy - Archangelsk (Planinc) |
1-0 | C78 | |
| 2022.07.12 | Wilken, Justin Barend (1862) vs (2212) Klaasen, Calvin John South African Open Championship Section Indian |
0-1 | A45 | |
| 2022.07.11 | Klaasen, Calvin John (2212) vs (1759) Mathebula, Xolani Cebo South African Open Championship Section Spanish Chigorin |
1-0 | C97 | |
| 2022.07.10 | Palmer, Reegan (1759) vs (2212) Klaasen, Calvin John South African Open Championship Section English Asymmetrical |
0-1 | A34 | |
| 2022.07.10 | Klaasen, Calvin John (2212) vs (1764) Mncwabe, Minenhle Junior South African Open Championship Section Four Knights - Gunsberg |
1/2-1/2 | C47 | |
| 2022.07.09 | Van Zyl, Albrecht (1705) vs (2212) Klaasen, Calvin John South African Open Championship Section Spanish Breyer - Borisenko |
1/2-1/2 | C95 | |
| 2022.07.09 | Klaasen, Calvin John (2212) vs (1618) Macheka, Clayton South African Open Championship Section Petrov - Indian |
1-0 | C42 | |
| 2022.05.13 | Willenberg, Kenneth Sean (1935) vs (2245) Klaasen, Calvin John 2022 SACCC Sicilian - Morra |
0-1 | B32 | |
| 2022.05.12 | Klaasen, Calvin John (2245) vs (1917) Mazibuko, Khanya 2022 SACCC Spanish Breyer - Quiet |
1-0 | C94 | |
| 2022.05.11 | Barrish, Daniel (2281) vs (2245) Klaasen, Calvin John 2022 SACCC Neo-Indian - Exchange |
1/2-1/2 | D35 | |
| 2022.05.10 | Klaasen, Calvin John (2245) vs (2324) Kobese, Watu 2022 SACCC King's Indian Schwarz (Makogonov) |
0-1 | E71 | |
| 2022.05.09 | Cawdery, Daniel (2419) vs (2245) Klaasen, Calvin John 2022 SACCC Evans Gambit - Cordel |
1-0 | C51 | |
| 2022.05.08 | Klaasen, Calvin John (2245) vs (2033) Bhawoodien, Shabir Hussain 2022 SACCC English Hedgehog |
1/2-1/2 | A17 | |
| 2022.05.08 | Mhango, Banele (2206) vs (2245) Klaasen, Calvin John 2022 SACCC Indian Capablanca |
1-0 | A47 | |
| 2022.05.07 | Klaasen, Calvin John (2245) vs (2356) Solomon, Kenny 2022 SACCC Spanish Closed |
1/2-1/2 | C88 | |
| 2019.12.17 | KLAASEN, Calvin John (2247) vs (2209) HERCULES, Benjamin Vincent 2019 South African Closed Chess Championships Queen's Pawn Zukertort - Symmetrical |
1/2-1/2 | D02 | |
| 2019.12.16 | JAMES, Michael (1929) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships Sicilian Closed - Zukertort |
0-1 | B23 | |
| 2019.12.15 | KLAASEN, Calvin John (2247) vs (2200) BEZUIDENHOUT, Roland 2019 South African Closed Chess Championships Queen's Pawn Zukertort |
0-1 | D02 | |
| 2019.12.14 | GLUCKMAN, Paul (1943) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships Sicilian Accelerated Dragon - Alekhine |
1-0 | B74 | |
| 2019.12.13 | DE ABREU, Roberto N (2126) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships French Open Tarrasch - Eliskases |
1/2-1/2 | C07 | |
| 2019.12.11 | PON, Matt (2189) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships King's Indian |
1/2-1/2 | E90 | |
| 2019.12.10 | KLAASEN, Calvin John (2247) vs (2373) SOLOMON, Kenny 2019 South African Closed Chess Championships English Agincourt |
0-1 | A13 | |
| 2019.12.09 | BARRISH, Daniel (2363) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships Old Indian - Ukrainian |
1-0 | A53 | |
| 2019.12.08 | KLAASEN, Calvin John (2247) vs (2148) KHUMALO, Keith 2019 South African Closed Chess Championships Indian Knight - Catalan |
1-0 | D02 | |
| 2019.12.07 | BHAWOODIEN, Mohamed Ozayr (2129) vs (2247) KLAASEN, Calvin John 2019 South African Closed Chess Championships Sicilian Accelerated Dragon (Modern) - Simagin |
1/2-1/2 | B35 | |
| 2019.07.16 | Mesfin, Leykun (2160) vs (2285) Klaasen, Calvin John 2019 African Chess Individual Championship Sicilian Accelerated Dragon - Simagin |
0-1 | B34 | |
| 2019.07.15 | Klaasen, Calvin John (2285) vs (1968) Sasha, Winston - Onyiah 2019 African Chess Individual Championship King's Indian |
1-0 | E90 | |
| 2019.07.13 | Klaasen, Calvin John (2285) vs (2423) El Gindy, Essam 2019 African Chess Individual Championship Bogo-Indian - Gruenfeld |
0-1 | E11 | |
| 2019.07.12 | Munenga, Douglas D (2329) vs (2285) Klaasen, Calvin John 2019 African Chess Individual Championship Sicilian Maroczy |
1-0 | B38 | |
| 2019.07.11 | Klaasen, Calvin John (2285) vs (2476) Fawzy, Adham 2019 African Chess Individual Championship Slav Rubinstein |
1/2-1/2 | D11 | |
| 2019.04.22 | Klaasen, Calvin John (2282) vs (2511) Grover, Sahaj 2019 Capablanca Chess Festival Irregular Indian |
0-1 | E10 | |
| 2019.04.22 | Beukes, Dante M (2117) vs (2282) Klaasen, Calvin John 2019 Capablanca Chess Festival Sicilian Rossolimo (Fianchetto) - Rossolimo |
0-1 | B31 | |
| 2019.04.21 | Mwale, Joseph (2281) vs (2282) Klaasen, Calvin John 2019 Capablanca Chess Festival Reti |
1/2-1/2 | A04 | |
| 2019.04.21 | Klaasen, Calvin John (2282) vs (2171) Bezuidenhout, Roland 2019 Capablanca Chess Festival Queen's Gambit Declined Semi-Tarrasch |
1/2-1/2 | D40 | |
| 2019.04.20 | Khumalo, Keith (2030) vs (2282) Klaasen, Calvin John 2019 Capablanca Chess Festival King's Indian Schwarz |
1/2-1/2 | E70 | |
| 2019.04.20 | Klaasen, Calvin John (2282) vs (2434) Cawdery, Daniel 2019 Capablanca Chess Festival Gruenfeld Exchange |
1/2-1/2 | D85 | |
| 2019.04.19 | Makoto, Rodwell (2368) vs (2282) Klaasen, Calvin John 2019 Capablanca Chess Festival English - Snake |
1/2-1/2 | A10 | |
| 2019.04.19 | Klaasen, Calvin John (2282) vs (2181) Barrish, Daniel 2019 Capablanca Chess Festival Reti Zukertort |
1/2-1/2 | A06 | |
| 2019.04.18 | Hercules, Benjamin Vincent (2162) vs (2282) Klaasen, Calvin John 2019 Capablanca Chess Festival King's Indian Schwarz - Averbakh |
0-1 | E73 | |
| 2018.10.05 | Ayyad, Maher (2106) vs (2262) Klaasen, Calvin John 43rd Olympiad Batumi 2018 Open Indian Capablanca |
0-1 | A47 | |
| 2018.10.04 | Klaasen, Calvin John (2262) vs (2468) Vazquez, Guillermo 43rd Olympiad Batumi 2018 Open Irregular Indian |
0-1 | E10 | |
| 2018.10.02 | Klaasen, Calvin John (2262) vs (1830) Prasitsoonthorn, Teerachoti 43rd Olympiad Batumi 2018 Open Sicilian Closed |
1-0 | B23 | |
| 2018.10.01 | Klaasen, Calvin John (2262) vs (2569) Dastan, Muhammed Batuhan 43rd Olympiad Batumi 2018 Open Dutch Queen's Knight - Krause |
1-0 | A85 | |
| 2018.09.30 | Al Hosani, Omran (2115) vs (2262) Klaasen, Calvin John 43rd Olympiad Batumi 2018 Open Modern |
0-1 | A41 | |
| 2018.09.27 | Lorne, Ras Malaku (2161) vs (2262) Klaasen, Calvin John 43rd Olympiad Batumi 2018 Open Irregular Queen's Pawn - Kotov |
1/2-1/2 | A40 | |
| 2018.09.26 | Klaasen, Calvin John (2262) vs (2459) Kostenko, Petr 43rd Olympiad Batumi 2018 Open Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2018.09.25 | Skoberne, Jure (2565) vs (2262) Klaasen, Calvin John 43rd Olympiad Batumi 2018 Open Indian East Indian |
1-0 | A48 | |
| 2018.09.24 | Klaasen, Calvin John (2262) vs Britus, Samuel Gabius 43rd Olympiad Batumi 2018 Open Slav Rubinstein |
1-0 | D11 | |
| 2018.05.01 | Klaasen, Calvin John (2272) vs (2326) Ralison, Milanto Harifidy 2018 Capablanca Sicilian Scheveningen (Paulsen) |
1/2-1/2 | B84 | |
| 2018.04.30 | Strikovic, Aleksa (2507) vs (2272) Klaasen, Calvin John 2018 Capablanca Sicilian Maroczy |
1/2-1/2 | B38 | |
| 2018.04.30 | Klaasen, Calvin John (2272) vs (2488) Hoffman, Alejandro 2018 Capablanca Old Indian Ukrainian (Two Knights) |
1/2-1/2 | A55 | |
| 2018.04.29 | Van Zyl-Rudd, Jack (2252) vs (2272) Klaasen, Calvin John 2018 Capablanca Queen's Indian Fianchetto - Nimzovich |
1/2-1/2 | E15 | |
| 2018.04.28 | Klaasen, Calvin John (2272) vs (2433) Roselli Mailhe, Bernardo 2018 Capablanca King's Indian Modern |
1/2-1/2 | E94 | |
| 2018.04.28 | Cawdery, Daniel (2429) vs (2272) Klaasen, Calvin John 2018 Capablanca Sicilian Alapin - Smith-Morra |
1/2-1/2 | B22 | |
| 2018.04.27 | Klaasen, Calvin John (2272) vs (2490) Grover, Sahaj 2018 Capablanca Reti Symmetrical - Nimzovich |
0-1 | A05 | |
| 2018.04.27 | Kayonde, Andrew (2394) vs (2272) Klaasen, Calvin John 2018 Capablanca Nimzo-Indian St. Petersburg Rubinstein - Reshevsky |
1/2-1/2 | E46 | |
| 2018.04.26 | Kobese, Watu (2336) vs (2272) Klaasen, Calvin John 2018 Capablanca Sicilian Scheveningen (Paulsen) |
1-0 | B84 | |
| 2018.04.10 | Klaasen, Calvin John (2272) vs (2210) Paiva, Donaldo 2018 Zone 4.3 Individual Chess Championships - Open Section Old Indian |
1/2-1/2 | A53 | |
| 2018.04.10 | Bhawoodien, Mohamed Ozayr (2134) vs (2272) Klaasen, Calvin John 2018 Zone 4.3 Individual Chess Championships - Open Section Sicilian |
0-1 | B30 | |
| 2018.04.09 | Klaasen, Calvin John (2272) vs (2249) Mulenga, Prince Daniel 2018 Zone 4.3 Individual Chess Championships - Open Section Irregular Indian - Blumenfeld |
1-0 | E10 | |
| 2018.04.08 | Klaasen, Calvin John (2272) vs (2132) Do Santos Julio, Joao Manuel 2018 Zone 4.3 Individual Chess Championships - Open Section Queen's Gambit - Marshall |
1/2-1/2 | D06 | |
| 2018.03.18 | Klaasen, Calvin John (2320) vs (2300) Luanja, Geoffrey 2018 Boardwalk Pearson Open ( IM Norm) Caro-Kann - Advance |
0-1 | B12 | |
| 2018.03.17 | Paiva, Donaldo (2196) vs (2320) Klaasen, Calvin John 2018 Boardwalk Pearson Open ( IM Norm) Nimzo-Indian Classical |
1-0 | E32 | |
| 2018.03.16 | Grover, Sahaj (2484) vs (2320) Klaasen, Calvin John 2018 Boardwalk Pearson Open ( IM Norm) Sicilian |
1-0 | B40 | |
| 2018.03.15 | Klaasen, Calvin John (2320) vs (2428) Cawdery, Daniel 2018 Boardwalk Pearson Open ( IM Norm) Reti |
1/2-1/2 | A04 | |
| 2018.03.15 | Silva, David (2279) vs (2320) Klaasen, Calvin John 2018 Boardwalk Pearson Open ( IM Norm) Sicilian Scheveningen Najdorf |
1/2-1/2 | B90 | |
| 2018.03.14 | Klaasen, Calvin John (2320) vs (2173) Oatlhotse, Providence 2018 Boardwalk Pearson Open ( IM Norm) Spanish Morphy - Anderssen |
1/2-1/2 | C77 | |
| 2018.03.13 | Van Zyl-Rudd, Jack (2133) vs (2320) Klaasen, Calvin John 2018 Boardwalk Pearson Open ( IM Norm) Indian - Trompowsky |
1-0 | A45 | |
| 2018.03.13 | Klaasen, Calvin John (2320) vs (2349) Makoto, Rodwell 2018 Boardwalk Pearson Open ( IM Norm) Spanish - Barnes |
1/2-1/2 | C60 | |
| 2018.03.12 | Mwale, Joseph (2240) vs (2320) Klaasen, Calvin John 2018 Boardwalk Pearson Open ( IM Norm) Reti |
1/2-1/2 | A04 | |
| 2017.12.19 | Klaasen, Calvin John (2311) vs (2194) Mnguni, Jacob Dumisani 2017 South African Closed Chess Championships Sicilian Scheveningen - Anderssen |
1-0 | B83 | |
| 2017.12.18 | Van Den Heever, Donovan (2260) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Sicilian |
1/2-1/2 | B40 | |
| 2017.12.17 | Klaasen, Calvin John (2311) vs (2213) Mabusela, Johannes Manyedi 2017 South African Closed Chess Championships French Closed Tarrasch |
1/2-1/2 | C06 | |
| 2017.12.16 | Barrish, Daniel (2242) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Queen's Indian Fianchetto - Nimzovich |
1/2-1/2 | E15 | |
| 2017.12.15 | Klaasen, Calvin John (2311) vs (2118) De Villiers, Charles 2017 South African Closed Chess Championships Modern |
1/2-1/2 | A41 | |
| 2017.12.14 | Kobese, Watu (2345) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Sicilian Scheveningen (Sozin) - Anderssen |
1/2-1/2 | B86 | |
| 2017.12.13 | Klaasen, Calvin John (2311) vs (2164) Ovcina, Dennis 2017 South African Closed Chess Championships Indian |
1/2-1/2 | A50 | |
| 2017.12.12 | Bhawoodien, Mohamed Ozayr (2114) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Nimzo-Indian St. Petersburg Rubinstein - Reshevsky |
0-1 | E46 | |
| 2017.12.11 | Hercules, Benjamin Vincent (2155) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Queen's Indian Classical - Kramnik |
0-1 | E17 | |
| 2017.12.10 | Klaasen, Calvin John (2311) vs (2214) Van Rensburg, Ryan Pierre 2017 South African Closed Chess Championships Indian East Indian |
1/2-1/2 | A48 | |
| 2017.12.09 | Mosetlhe, Kgaugelo (2228) vs (2311) Klaasen, Calvin John 2017 South African Closed Chess Championships Reti |
0-1 | A04 |
Calvin John Klaasen - Other possible chess games
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |