PLAYER PAGE
Jacob Visser
1050137642Cape Winelands (WCW)Personal
Main rating
| Rating | 1327.5 |
| K-factor | 36 |
| Floor | 827.5 |
| Highest | 1327.5 (2024-12-01) |
| Min/Max +/- allowed | 138 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 3.87 |
| SWe | -0.41 |
| Temp +/- | -14.7 |
| Penalties | 0 |
| Weight perform | 1146.1 |
| Final +/- | -14.7 |
| New Rating () | |
| Rating | 1312.8 |
| K-factor | 36 |
| Floor | 827.5 |
| Highest | 1327.5 (2024-12-01) |
| Min/Max +/- allowed | 138.3 |
Standard rating
| Rating | 1348.9 |
| K-factor | 36 |
| Floor | 848.9 |
| Highest | 1348.9 (2024-12-01) |
| Min/Max +/- allowed | 134.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1128 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1348.9 |
| K-factor | 36 |
| Floor | 848.9 |
| Highest | 1348.9 (2024-12-01) |
| Min/Max +/- allowed | 134.1 |
Rapid rating
| Rating | 1159.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 6 |
| Score | 3 |
| We | 2.89 |
| SWe | 0.11 |
| Temp +/- | 4.1 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +4.1 |
| New Rating () | |
| Rating | 1163.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
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 |
| 1 | Hermanus Chess Club Open 2026 (Intermediate) | Rapid | 2026-04-18 | 2026-04-18 | Overberg (WOS) | 7 | 1327.5 | 6 | 3 | 1186.4 | -14.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Paarl Boys' High Chess Festival 2024 | Standard | 2024-10-04 | 2024-10-05 | Cape Winelands (WCW) | 6 | 1263 | 6 | 5 | 1567.8 | 35.9 | Details |
| 2 | Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) | Standard | 2024-03-21 | 2024-03-22 | Overberg (WOS) | 6 | 1196.7 | 6 | 3.5 | 1378.3 | 21.2 | Details |
| 3 | Cape Winelands Schools - Prestige 2024 (U20 Boys) | Standard | 2024-03-02 | 2024-03-02 | Cape Winelands (WCW) | 5 | 1196.7 | 5 | 3.5 | 1363.8 | 15.6 | Details |
| 4 | Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) | Rapid | 2024-02-17 | 2024-02-17 | Cape Winelands (WCW) | 6 | 1207.4 | 6 | 2.5 | 1142.8 | -6 | Details |
| 5 | Paarl Boys High Chess Festival 2023 (2nd Division) | Standard | 2023-10-13 | 2023-10-14 | Cape Winelands (WCW) | 6 | 1172.7 | 6 | 4 | 1338.7 | 19.4 | Details |
| 6 | CW Top Schools 2023 (U18 Mix) | Rapid | 2023-08-26 | 2023-08-26 | Cape Winelands (WCW) | 5 | 1167.9 | 5 | 2.5 | 1198.1 | 2.8 | Details |
| 7 | Western Cape HS Individuals 2023 (U19 Boys) | Standard | 2023-04-01 | 2023-04-02 | Cape Town (WCT) | 6 | 1204.4 | 6 | 1.5 | 1032.4 | -20.3 | Details |
| 8 | Cape Winelands Schools Prestige 2023 (U19 Boys) | Standard | 2023-03-11 | 2023-03-11 | Cape Winelands (WCW) | 5 | 1180.2 | 5 | 3 | 1310.5 | 12 | Details |
| 9 | Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) | Standard | 2023-02-25 | 2023-02-25 | Cape Winelands (WCW) | 5 | 1152.6 | 5 | 3 | 1301.4 | 13.8 | Details |
| 10 | Ceres Open 2022 (B) | Standard | 2022-04-23 | 2022-04-23 | Cape Winelands (WCW) | 6 | 1169.6 | 6 | 2.5 | 1099.5 | -8.5 | Details |
| 11 | Cape Winelands Schools 2022 (U18 Boys) | Standard | 2022-03-05 | 2022-03-05 | Cape Winelands (WCW) | 5 | 1188.2 | 5 | 2 | 1101 | -9.1 | Details |
| 12 | Worcester Schools Trials 2022 (U18 Boys) | Rapid | 2022-02-19 | 2022-02-19 | Cape Winelands (WCW) | 5 | 1200 | 5 | 2 | 1110.3 | -5.9 | Details |
Game statistics ( )
| Games | 6 |
| Wins | 3 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 3 |
| White wins | 2 |
| Black wins | 1 |
| Score | 3 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1186.4 |
| Performance | 1186.4 |
Game statistics ()
| Games | 6 |
| Wins | 3 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 3 |
| White wins | 2 |
| Black wins | 1 |
| Score | 3 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1186.4 |
| Performance | 1186.4 |
Game statistics (History)
| Games | 72 |
| Wins | 33 |
| Draws | 10 |
| Losses | 29 |
| White | 37 |
| Black | 35 |
| White wins | 20 |
| Black wins | 13 |
| Score | 38 |
| Percent | 52.8 |
| Dp | 23.6 |
| AOR | 1218.1 |
| Performance | 1241.7 |
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 | -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 (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 | 6 |
| Score | 3 |
| Percent | 50 |
| Aor | 1186.4 |
| Dp | 0 |
| Prat | 1186.4 |
Performance ()
| Games | 6 |
| Score | 3 |
| Percent | 50 |
| Aor | 1186.4 |
| Dp | 0 |
| Prat | 1186.4 |
Performance (12 months)
| Games | 6 |
| Score | 3 |
| Percent | 50 |
| Aor | 1186.4 |
| Dp | 0 |
| Prat | 1186.4 |
Performance (History)
| Games | 72 |
| Score | 38 |
| Percent | 52.8 |
| Aor | 1218.1 |
| Dp | 23.6 |
| Prat | 1241.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Snyman, A (Alex) | 3 | 2 | 1 | Cape Winelands Schools Prestige 2023 (U19 Boys) | Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) | Details |
| Overall | 2 | Maunga, W (Wayne) | 3 | 2 | 1 | Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) | Cape Winelands Schools - Prestige 2024 (U20 Boys) | Details |
| Overall | 3 | Janse Van Vuuren, K (Keagan) | 3 | 2 | 1 | Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) | Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) | Details |
| Overall | 4 | Cronje, Z (Zander) | 2 | 0 | 2 | Cape Winelands Schools Prestige 2023 (U19 Boys) | CW Top Schools 2023 (U18 Mix) | Details |
| Overall | 5 | Kotze, I (Izak) | 2 | 1 | 1 | Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) | Cape Winelands Schools - Prestige 2024 (U20 Boys) | Details |
| Standard | 1 | Maunga, W (Wayne) | 2 | 1 | 1 | Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) | Cape Winelands Schools - Prestige 2024 (U20 Boys) | Details |
| Standard | 2 | Janse Van Vuuren, K (Keagan) | 2 | 1 | 1 | Cape Winelands Schools - Prestige 2024 (U20 Boys) | Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) | Details |
| Standard | 3 | Snyman, A (Alex) | 2 | 2 | 0 | Cape Winelands Schools Prestige 2023 (U19 Boys) | Western Cape HS Individuals 2023 (U19 Boys) | Details |