PLAYER PAGE
Jan Daniel Karsten
108072311Cape Town (WCT)Personal
Main rating
| Rating | 2402.9 |
| K-factor | 12 |
| Floor | 1902.9 |
| Highest | 2402.9 (2026-06-01) |
| Min/Max +/- allowed | 30 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 2311.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 2402.9 |
| K-factor | 12 |
| Floor | 1902.9 |
| Highest | 2402.9 (2026-06-01) |
| Min/Max +/- allowed | 29.9 |
Standard rating
| Rating | 2421.2 |
| K-factor | 12 |
| Floor | 1921.2 |
| Highest | 2421.2 (2026-06-01) |
| Min/Max +/- allowed | 29.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 2309 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 2421.2 |
| K-factor | 12 |
| Floor | 1921.2 |
| Highest | 2421.2 (2026-06-01) |
| Min/Max +/- allowed | 29.1 |
Rapid rating
| Rating | 2067.3 |
| K-factor | 20 |
| Floor | 1567.3 |
| Highest | 2067.3 (2026-04-01) |
| Min/Max +/- allowed | 48.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 2007.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 2067.3 |
| K-factor | 20 |
| Floor | 1567.3 |
| Highest | 2067.3 (2026-04-01) |
| Min/Max +/- allowed | 48.2 |
Blitz rating
| Rating | 1792.1 |
| K-factor | 28 |
| Floor | 1292.1 |
| Highest | 2152.5 (2024-01-01) |
| Min/Max +/- allowed | 42.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1792.1 |
| K-factor | 28 |
| Floor | 1292.1 |
| Highest | 2152.5 (2024-01-01) |
| Min/Max +/- allowed | 42.7 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Moja Chess Extravaganza 2026 (Prestige) | Classical | 2026-04-25 | 2026-04-30 | Cape Town (WCT) | 9 | 2395.7 | 9 | 6.5 | 2432.7 | 7.2 | Details |
| 2 | Hermanus Chess Club Open 2026 (Championship) | Rapid | 2026-04-18 | 2026-04-18 | Overberg (WOS) | 7 | 2395.5 | 7 | 6 | 2359.8 | 0.2 | Details |
| 3 | 2026 South African Closed Chess Championships (Open) | Classical | 2026-02-21 | 2026-03-01 | Johannesburg Metro (GJM) | 11 | 2382.1 | 11 | 8 | 2448.8 | 13.4 | Details |
| 4 | Cape Town Chess Federation Club League 2025 (A) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 2380.8 | 2 | 1 | 2381 | 1.6 | Details |
| 5 | Cape Town Metro Top Schools District Central 2025 (U19) | Standard | 2025-08-02 | 2025-08-02 | Cape Town (WCT) | 1 | 2380.8 | 1 | 1 | 1648.2 | 0 | Details |
| 6 | Moja Chess Extravaganza 2025 (Prestige) | Classical | 2025-04-26 | 2025-05-01 | Johannesburg Metro (GJM) | 9 | 2364.4 | 9 | 7 | 2463.6 | 20.4 | Details |
| 7 | Moja Chess Extravaganza 2025 (Blitz) | Blitz | 2025-04-26 | 2025-04-26 | Johannesburg Metro (GJM) | 7 | 2364.4 | 0 | 0 | 0 | 0 | Details |
| 8 | Cape Gambit Invitational 2025 | Classical | 2025-04-18 | 2025-04-21 | Cape Town (WCT) | 7 | 2349.9 | 7 | 6 | 2559.6 | 35.6 | Details |
| 9 | Hermanus Chess Club Open 2025 (Championship) | Rapid | 2025-04-12 | 2025-04-12 | Overberg (WOS) | 7 | 2349.9 | 7 | 5 | 2129.4 | -15.4 | Details |
| 10 | 2025 CT Chess Club Blitz Championship | Blitz | 2025-03-19 | 2025-03-19 | Cape Town (WCT) | 9 | 2349.9 | 9 | 7 | 2246.3 | -2 | Details |
| 11 | Steinitz Festival 2025 (Open) | Rapid | 2025-03-15 | 2025-03-15 | Cape Town (WCT) | 7 | 2348.8 | 7 | 6.5 | 2192.3 | 1.3 | Details |
| 12 | FIDE World Youth Chess Championships 2024 | Classical | 2024-10-29 | 2024-11-09 | FIDE (FID) | 11 | 2352.5 | 11 | 6.5 | 2335.8 | -4.6 | Details |
| 13 | 45th Chess Olympiad Budapest 2024 | Classical | 2024-09-11 | 2024-09-22 | Hungary (HUN) | 11 | 2322.4 | 9 | 5.5 | 2434.6 | 24.2 | Details |
| 14 | CT League 2024 (A) | Classical | 2024-07-20 | 2024-09-07 | Cape Town (WCT) | 11 | 2322.4 | 6 | 5.5 | 2381 | 13.4 | Details |
| 15 | Hermanus Chess Club Open 2024 (Championship) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 2332.1 | 7 | 5 | 2263.2 | -5.6 | Details |
| 16 | South African Closed Chess Championship 2024 (Open) | Classical | 2024-03-25 | 2024-04-02 | Cape Town (WCT) | 11 | 2332.1 | 11 | 6.5 | 2301.4 | -6.6 | Details |
| 17 | Cape Town Masters Challenge 2024 (Masters) | Classical | 2024-01-03 | 2024-01-07 | Cape Town (WCT) | 9 | 2317.6 | 9 | 8 | 2400.5 | 20.8 | Details |
| 18 | Cape Town Chess Club Annual Blitz Championship 2024 | Blitz | 2024-01-07 | 2024-01-07 | Cape Town (WCT) | 9 | 2317.6 | 9 | 7 | 2195 | -2.7 | Details |
| 19 | World Youth Chess Championship 2023 | Classical | 2023-11-13 | 2023-11-24 | FIDE (FID) | 11 | 2157.6 | 11 | 8 | 2319.2 | 41 | Details |
| 20 | Bonnievale Open Rapid 2023 (Championship) | Rapid | 2023-10-21 | 2023-10-21 | Cape Winelands (WCW) | 6 | 2131 | 6 | 4.5 | 2207 | 5 | Details |
| 21 | 2023 Moja Chess Extravaganza (Prestige) | Classical | 2023-09-30 | 2023-10-04 | Frances Baard (NCF) | 9 | 2131 | 9 | 6 | 2236.8 | 21.4 | Details |
| 22 | WP Club League 2023 (A) | Classical | 2023-07-29 | 2023-09-09 | Cape Town (WCT) | 11 | 2083.9 | 7 | 6.5 | 2402.7 | 51.8 | Details |
| 23 | CKC Invitational Masters 2023 | Classical | 2023-06-09 | 2023-06-11 | Cape Town (WCT) | 5 | 2058.5 | 5 | 3 | 2283.2 | 25.4 | Details |
| 24 | Kenya Open Chess Championship 2023 | Classical | 2023-04-06 | 2023-04-10 | Kenya (KEN) | 9 | 2070.7 | 9 | 7 | 2024 | -0.6 | Details |
| 25 | Hermanus Rapid 2023 (A) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 2070.7 | 6 | 4 | 1913.1 | -11.6 | Details |
| 26 | Cape Town Masters Challenge 2023 (IM Norm) | Classical | 2023-01-04 | 2023-01-08 | Cape Town (WCT) | 9 | 2025.9 | 9 | 4.5 | 2243.7 | 44.8 | Details |
| 27 | African Junior Chess Championship 2022 | Classical | 2022-11-13 | 2022-11-17 | Algeria (ALG) | 9 | 1998.8 | 9 | 6.5 | 2099.8 | 22.4 | Details |
| 28 | World Junior Chess Championship 2022 | Classical | 2022-10-12 | 2022-10-22 | FIDE (FID) | 11 | 1959.9 | 11 | 4.5 | 2052.7 | 32.8 | Details |
| 29 | 2022 Western Province Club League (Premier) | Classical | 2022-08-20 | 2022-10-01 | Cape Town (WCT) | 11 | 1959.9 | 0 | 0 | 0 | 0 | Details |
| 30 | World Youth Chess Championships 2022 | Classical | 2022-09-06 | 2022-09-16 | Romania (ROU) | 11 | 1937.4 | 11 | 6 | 1983.6 | 25.4 | Details |
| 31 | Western Cape Closed Championship 2022 (Championship) | Standard | 2022-09-24 | 2022-09-25 | Cape Winelands (WCW) | 6 | 1937.4 | 6 | 4 | 1882.4 | -6.5 | Details |
| 32 | 2022 African Youth Chess Championships | Classical | 2022-07-03 | 2022-07-09 | Zambia (ZAM) | 9 | 1939.6 | 9 | 8.5 | 1795.6 | -1.8 | Details |
| 33 | WP Closed 2022 (A) | Classical | 2022-06-16 | 2022-06-16 | Cape Town (WCT) | 7 | 1903.2 | 7 | 4.5 | 2086.2 | 30.8 | Details |
| 34 | ACL Matrix FM Invitational 2022 (Championship) | Standard | 2022-06-10 | 2022-06-12 | Cape Town (WCT) | 7 | 1903.2 | 7 | 5 | 1877.6 | -2.8 | Details |
| 35 | Steinitz Open 2022 (A) | Standard | 2022-05-20 | 2022-05-22 | Cape Town (WCT) | 6 | 1897.3 | 6 | 4 | 1932 | 4.7 | Details |
| 36 | South African Junior Closed Chess Championships 2022 (U14 Open) | Classical | 2022-03-28 | 2022-04-02 | Chess South Africa (CSA) | 11 | 1899.9 | 11 | 9.5 | 1870.7 | -2 | Details |
| 37 | 2022 Central District Individual Trials (U15) | Rapid | 2022-03-05 | 2022-03-05 | Cape Town (WCT) | 5 | 1882.9 | 5 | 5 | 1808.8 | 3.4 | Details |
| 38 | Moja Open 2022 (Prestige) | Classical | 2022-03-19 | 2022-03-22 | Frances Baard (NCF) | 7 | 1882.9 | 6 | 4 | 1980.5 | 10.8 | Details |
| 39 | Western Province Open 2022 (Championship) | Standard | 2022-02-25 | 2022-02-27 | Cape Town (WCT) | 6 | 1788.9 | 6 | 4 | 2031.3 | 29.1 | Details |
| 40 | Kraaifontein Open 2022 (Championship) | Standard | 2022-01-07 | 2022-01-09 | Cape Town (WCT) | 6 | 1667.3 | 6 | 3 | 1864 | 25.7 | Details |
| 41 | 2022 Cape Of Good Hope Open (Championship) | Standard | 2022-01-28 | 2022-01-30 | Cape Town (WCT) | 6 | 1667.3 | 6 | 4 | 2014.3 | 45.6 | Details |
| 42 | Jacques Vuyo Le Roux Memorial Rapid 2021 | Rapid | 2021-12-04 | 2021-12-04 | Cape Town (WCT) | 6 | 1653.2 | 6 | 5 | 1802.9 | 10.1 | Details |
| 43 | Western Cape Schools Championship 2021 (U13 Boys) | Rapid | 2021-10-02 | 2021-10-02 | Cape Town (WCT) | 5 | 1644.3 | 5 | 4.5 | 1730.2 | 6.3 | Details |
| 44 | Western Cape Closed 2021 (Championship) | Classical | 2021-09-24 | 2021-09-26 | Cape Winelands (WCW) | 6 | 1604.5 | 6 | 3 | 1692.4 | 12.6 | Details |
| 45 | CWP Closed 2021 (B) | Classical | 2021-09-11 | 2021-09-19 | Cape Town (WCT) | 7 | 1604.5 | 7 | 4 | 1705.8 | 15.8 | Details |
| 46 | CWP Youth Day Rapid 2021 (U14) | Rapid | 2021-06-16 | 2021-06-16 | Cape Town (WCT) | 5 | 1611.3 | 5 | 4 | 1520.2 | -4.9 | Details |
| 47 | WP Open 2021 (Championship) | Standard | 2021-05-08 | 2021-05-09 | Cape Town (WCT) | 6 | 1641.7 | 5 | 1 | 1438.1 | -21.7 | Details |
| 48 | Western Cape Closed 2020 (Championship) | Standard | 2021-03-27 | 2021-03-28 | Cape Town (WCT) | 6 | 1578.3 | 6 | 4 | 1968.1 | 39.6 | Details |
| 49 | 2020 Metro Trials (U13 Boys) | Standard | 2020-03-13 | 2020-03-14 | Cape Town (WCT) | 5 | 1537.5 | 5 | 4 | 1659.9 | 11.5 | Details |
| 50 | 2020 Central District (U13) | Standard | 2020-02-07 | 2020-02-08 | Cape Town (WCT) | 6 | 1516.8 | 6 | 5 | 1567.3 | 7 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 27 |
| Wins | 17 |
| Draws | 7 |
| Losses | 3 |
| White | 13 |
| Black | 14 |
| White wins | 10 |
| Black wins | 7 |
| Score | 20.5 |
| Percent | 75.9 |
| Dp | 220.4 |
| AOR | 2200 |
| Performance | 2420.3 |
Game statistics (History)
| Games | 430 |
| Wins | 269 |
| Draws | 74 |
| Losses | 87 |
| White | 220 |
| Black | 210 |
| White wins | 138 |
| Black wins | 131 |
| Score | 306 |
| Percent | 71.2 |
| Dp | 179.9 |
| AOR | 1785.3 |
| Performance | 1965.2 |
Rankings (Main)
| National | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
| Provincial | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
| Provincial | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Rapid)
| National | |
| Overall | 10 |
| Gender | 10 |
| Age group | 2 |
| Gender/Age | 2 |
| Provincial | |
| Overall | 4 |
| Gender | 4 |
| Age group | 2 |
| Gender/Age | 2 |
| Regional | |
| Overall | 4 |
| Gender | 4 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 27 |
| Score | 20.5 |
| Percent | 75.9 |
| Aor | 2200 |
| Dp | 220.4 |
| Prat | 2420.3 |
Performance (12 months)
| Games | 30 |
| Score | 22.5 |
| Percent | 75 |
| Aor | 2179.5 |
| Dp | 212.5 |
| Prat | 2392 |
Performance (History)
| Games | 430 |
| Score | 306 |
| Percent | 71.2 |
| Aor | 1785.3 |
| Dp | 179.9 |
| Prat | 1965.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rogov, M (Matfey) | 12 | 8 | 4 | CKC Invitational Masters 2023 | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Overall | 2 | Palmer, RN (Reegan) | 11 | 5 | 6 | Western Cape Schools Individuals 2018 (U11 Boys) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Overall | 3 | Kobese, AKW (Watu) | 11 | 4 | 7 | Cape Town Masters Challenge 2023 (IM Norm) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Overall | 4 | Mnyasta, C (Charlton) | 8 | 3 | 5 | Jacques Vuyo Le Roux Memorial Rapid 2021 | Hermanus Chess Club Open 2026 (Championship) | Details |
| Overall | 5 | Klaasen, CJ (Calvin John) | 7 | 5 | 2 | Cape Town Masters Challenge 2023 (IM Norm) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Standard | 1 | Palmer, RN (Reegan) | 8 | 4 | 4 | Western Cape Schools Individuals 2018 (U11 Boys) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Standard | 2 | Klaasen, CJ (Calvin John) | 7 | 5 | 2 | Cape Town Masters Challenge 2023 (IM Norm) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Standard | 3 | Barrish, D (Daniel) | 7 | 4 | 3 | Western Cape Closed 2020 (Championship) | 2026 South African Closed Chess Championships (Open) | Details |
| Standard | 4 | Kobese, AKW (Watu) | 6 | 3 | 3 | Cape Town Masters Challenge 2023 (IM Norm) | Moja Chess Extravaganza 2026 (Prestige) | Details |
| Standard | 5 | Mnyasta, C (Charlton) | 6 | 2 | 4 | WP Club League 2023 (A) | 2026 South African Closed Chess Championships (Open) | Details |
| Rapid | 1 | Rogov, M (Matfey) | 4 | 3 | 1 | Bonnievale Open Rapid 2023 (Championship) | Hermanus Chess Club Open 2026 (Championship) | Details |
| Rapid | 2 | Rogov, T (Timofey) | 4 | 3 | 1 | Hermanus Rapid 2023 (A) | Hermanus Chess Club Open 2026 (Championship) | Details |
| Rapid | 3 | Mnyasta, T (Tezihano) | 3 | 0 | 3 | Hermanus Rapid 2023 (A) | Hermanus Chess Club Open 2025 (Championship) | Details |
| Rapid | 4 | Kobese, AKW (Watu) | 3 | 1 | 2 | Bonnievale Open Rapid 2023 (Championship) | Hermanus Chess Club Open 2025 (Championship) | Details |
| Rapid | 5 | Willenberg, KS (Kenneth Sean) | 3 | 1 | 2 | Steinitz Festival 2025 (Open) | Hermanus Chess Club Open 2026 (Championship) | Details |
| Blitz | 1 | Rogov, M (Matfey) | 2 | 2 | 0 | Cape Town Chess Club Annual Blitz Championship 2024 | 2025 CT Chess Club Blitz Championship | Details |
| Blitz | 2 | Kobese, AKW (Watu) | 2 | 0 | 2 | Cape Town Chess Club Annual Blitz Championship 2024 | 2025 CT Chess Club Blitz Championship | Details |
| Blitz | 3 | Bhawoodien, SH (Shabier Husain) | 2 | 1 | 1 | Cape Town Chess Club Annual Blitz Championship 2024 | 2025 CT Chess Club Blitz Championship | Details |