PLAYER PAGE
Jerolin Johnson
1080147904West Coast (WCU)Personal
Main rating
| Rating | 1271.1 |
| K-factor | 36 |
| Floor | 771.1 |
| Highest | 1271.1 (2026-02-28) |
| Min/Max +/- allowed | 150 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1238.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1271.1 |
| K-factor | 36 |
| Floor | 771.1 |
| Highest | 1271.1 (2026-02-28) |
| Min/Max +/- allowed | 149.8 |
Standard rating
| Rating | 1227.2 |
| K-factor | 36 |
| Floor | 727.2 |
| Highest | 1268.5 (2024-05-01) |
| Min/Max +/- allowed | 150.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1227.2 |
| K-factor | 36 |
| Floor | 727.2 |
| Highest | 1268.5 (2024-05-01) |
| Min/Max +/- allowed | 150.4 |
Rapid rating
| Rating | 1277.4 |
| K-factor | 36 |
| Floor | 777.4 |
| Highest | 1289 (2022-12-01) |
| Min/Max +/- allowed | 146.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1262.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1277.4 |
| K-factor | 36 |
| Floor | 777.4 |
| Highest | 1289 (2022-12-01) |
| Min/Max +/- allowed | 146.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
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 | Upper West Coast Schools Prestige Individuals Championship 2026 (U18 Boys) | Rapid | 2026-02-14 | 2026-02-14 | West Coast (WCU) | 5 | 1262.2 | 4 | 2 | 1348.6 | 0 | Details |
| 2 | Rooibos Open 2025 (Intermediate) | Standard | 2025-08-30 | 2025-08-30 | West Coast (WCU) | 5 | 1264.4 | 5 | 2.5 | 1244.4 | 0 | Details |
| 3 | Shakirah Ruiters Youth Tournament 2025 (Advanced) | Rapid | 2025-06-16 | 2025-06-16 | West Coast (WCU) | 5 | 1236 | 5 | 4 | 1459 | 0 | Details |
| 4 | Brenton Cupido West Coast Development Championship 2025 (U17 Boys) | Rapid | 2025-05-24 | 2025-05-24 | West Coast (WCU) | 5 | 1178.5 | 5 | 3.5 | 1388 | 0 | Details |
| 5 | West Coast And Mykonos Open 2025 (Advanced) | Standard | 2025-05-02 | 2025-05-04 | West Coast (WCU) | 6 | 1178.5 | 6 | 3 | 1312.6 | 0 | Details |
| 6 | Upper West Coast Presrige 2025 (U17 Boys) | Rapid | 2025-02-22 | 2025-02-22 | West Coast (WCU) | 5 | 1174.9 | 5 | 2 | 1166.1 | 0 | Details |
| 7 | West Coast Grand Challange League 2024 (HS Champions) | Rapid | 2024-10-26 | 2024-10-26 | West Coast (WCU) | 5 | 1174.5 | 5 | 1 | 1021.7 | 0 | Details |
| 8 | The Rooibos Open 2024 (Elite) | Rapid | 2024-08-24 | 2024-08-24 | West Coast (WCU) | 5 | 1216.8 | 4 | 0 | 840 | 0 | Details |
| 9 | Vredendal North CC Open 2024 (Elite) | Rapid | 2024-07-27 | 2024-07-27 | West Coast (WCU) | 5 | 1268.6 | 5 | 0 | 853.2 | 0 | Details |
| 10 | Bo-Weskus Skole Skaak Top Skole 2024 (O18) | Rapid | 2024-05-11 | 2024-05-11 | West Coast (WCU) | 5 | 1145.8 | 5 | 1 | 1013.6 | 0 | Details |
| 11 | West Coast & Mykonos Open 2024 (Open) | Standard | 2024-05-17 | 2024-05-19 | West Coast (WCU) | 6 | 1145.8 | 5 | 4 | 1605.6 | 0 | Details |
| 12 | Lambersbaai Open 2024 (A) | Rapid | 2024-05-01 | 2024-05-01 | West Coast (WCU) | 5 | 1145.8 | 4 | 3 | 1471.1 | 0 | Details |
| 13 | Clanwilliam Open 2022 (C) | Rapid | 2022-12-10 | 2022-12-10 | West Coast (WCU) | 5 | 1119.4 | 5 | 3 | 1280.5 | 0 | Details |
| 14 | West Coast Open 2022 (Open) | Standard | 2022-11-05 | 2022-11-05 | West Coast (WCU) | 6 | 1200 | 6 | 0 | 851.9 | 0 | 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 | 4 |
| Wins | 2 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 2 |
| White wins | 2 |
| Black wins | 0 |
| Score | 2 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1348.6 |
| Performance | 1348.6 |
Game statistics (History)
| Games | 69 |
| Wins | 28 |
| Draws | 2 |
| Losses | 39 |
| White | 33 |
| Black | 36 |
| White wins | 13 |
| Black wins | 15 |
| Score | 29 |
| Percent | 42 |
| Dp | -67.8 |
| AOR | 1267.6 |
| Performance | 1199.8 |
Rankings (Main)
| National | |
| Overall | 7221 |
| Gender | 5919 |
| Age group | 925 |
| Gender/Age | 779 |
| Provincial | |
| Overall | 2117 |
| Gender | 1655 |
| Age group | 239 |
| Gender/Age | 196 |
| Regional | |
| Overall | 210 |
| Gender | 152 |
| Age group | 25 |
| Gender/Age | 23 |
Rankings (Standard)
| National | |
| Overall | 8340 |
| Gender | 6612 |
| Age group | 1016 |
| Gender/Age | 848 |
| Provincial | |
| Overall | 2323 |
| Gender | 1745 |
| Age group | 266 |
| Gender/Age | 214 |
| Regional | |
| Overall | 166 |
| Gender | 115 |
| Age group | 21 |
| Gender/Age | 19 |
Rankings (Rapid)
| National | |
| Overall | 2368 |
| Gender | 1926 |
| Age group | 224 |
| Gender/Age | 195 |
| Provincial | |
| Overall | 1020 |
| Gender | 809 |
| Age group | 82 |
| Gender/Age | 74 |
| Regional | |
| Overall | 216 |
| Gender | 155 |
| Age group | 18 |
| Gender/Age | 17 |
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 | 4 |
| Score | 2 |
| Percent | 50 |
| Aor | 1348.6 |
| Dp | 0 |
| Prat | 1348.6 |
Performance (12 months)
| Games | 25 |
| Score | 15 |
| Percent | 60 |
| Aor | 1264.1 |
| Dp | 85 |
| Prat | 1349.1 |
Performance (History)
| Games | 69 |
| Score | 29 |
| Percent | 42 |
| Aor | 1267.6 |
| Dp | -67.8 |
| Prat | 1199.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Ellman, A (Andries) | 2 | 0 | 2 | Clanwilliam Open 2022 (C) | Lambersbaai Open 2024 (A) | Details |
| Overall | 2 | Van Wyk, E (Ebrahim) | 2 | 1 | 1 | Lambersbaai Open 2024 (A) | Vredendal North CC Open 2024 (Elite) | Details |
| Overall | 3 | Salomo, C (Cohen) | 2 | 1 | 1 | West Coast & Mykonos Open 2024 (Open) | West Coast And Mykonos Open 2025 (Advanced) | Details |
| Overall | 4 | Berend, L (Luciano) | 2 | 0 | 2 | Upper West Coast Presrige 2025 (U17 Boys) | Upper West Coast Schools Prestige Individuals Championship 2026 (U18 Boys) | Details |
| Overall | 5 | Arendse, Q (Quinwinne) | 2 | 1 | 1 | West Coast & Mykonos Open 2024 (Open) | West Coast And Mykonos Open 2025 (Advanced) | Details |
| Standard | 1 | Salomo, C (Cohen) | 2 | 1 | 1 | West Coast & Mykonos Open 2024 (Open) | West Coast And Mykonos Open 2025 (Advanced) | Details |
| Standard | 2 | Arendse, Q (Quinwinne) | 2 | 1 | 1 | West Coast & Mykonos Open 2024 (Open) | West Coast And Mykonos Open 2025 (Advanced) | Details |
| Standard | 3 | Ellman, A (Anne-Belle) | 2 | 0 | 2 | West Coast & Mykonos Open 2024 (Open) | Rooibos Open 2025 (Intermediate) | Details |
| Rapid | 1 | Van Wyk, E (Ebrahim) | 2 | 1 | 1 | Lambersbaai Open 2024 (A) | Vredendal North CC Open 2024 (Elite) | Details |
| Rapid | 2 | Van Rooyen, S (Sergio) | 2 | 0 | 2 | Bo-Weskus Skole Skaak Top Skole 2024 (O18) | Vredendal North CC Open 2024 (Elite) | Details |
| Rapid | 3 | Berend, L (Luciano) | 2 | 0 | 2 | Upper West Coast Presrige 2025 (U17 Boys) | Upper West Coast Schools Prestige Individuals Championship 2026 (U18 Boys) | Details |
| Rapid | 4 | Ellman, A (Andries) | 2 | 0 | 2 | Clanwilliam Open 2022 (C) | Lambersbaai Open 2024 (A) | Details |