PLAYER PAGE
Jamie Sanderson
1100193433Cape Town (WCT)Personal
Main rating
| Rating | 1468.4 |
| K-factor | 32 |
| Floor | 969.7 |
| Highest | 1469.7 (2025-11-01) |
| Min/Max +/- allowed | 113 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1435.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1468.4 |
| K-factor | 32 |
| Floor | 969.7 |
| Highest | 1469.7 (2025-11-01) |
| Min/Max +/- allowed | 112.9 |
Standard rating
| Rating | 1452.1 |
| K-factor | 32 |
| Floor | 952.1 |
| Highest | 1452.1 (2026-02-28) |
| Min/Max +/- allowed | 115.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1435.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1452.1 |
| K-factor | 32 |
| Floor | 952.1 |
| Highest | 1452.1 (2026-02-28) |
| Min/Max +/- allowed | 115.8 |
Rapid rating
| Rating | 1363.2 |
| K-factor | 36 |
| Floor | 863.2 |
| Highest | 1526 (2024-04-01) |
| Min/Max +/- allowed | 104.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1363.2 |
| K-factor | 36 |
| Floor | 863.2 |
| Highest | 1526 (2024-04-01) |
| Min/Max +/- allowed | 104.2 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| 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 (2024-02-01) |
| 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 | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1469.7 | 6 | 4 | 1461.4 | 0 | Details |
| 2 | Paarl Boys' High School Chess Festival 2025 (B) | Standard | 2025-10-17 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1469.5 | 4 | 2.5 | 1452.4 | 0 | Details |
| 3 | Western Cape Schools - Top Schools 2025 (U17) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1463.3 | 6 | 4 | 1506.8 | 0 | Details |
| 4 | CT Metro District East Top Schools Chess 2025 (U17) | Standard | 2025-08-02 | 2025-08-03 | Cape Town (WCT) | 5 | 1447.7 | 5 | 4.5 | 1552.3 | 0 | Details |
| 5 | Cape Town Chess Junior League 2025 (U18) | Standard | 2025-05-10 | 2025-05-31 | Cape Town (WCT) | 6 | 1414.7 | 6 | 5 | 1589.4 | 0 | Details |
| 6 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1422.5 | 6 | 3 | 1380.8 | 0 | Details |
| 7 | CT Metro Schools Individual Closed 2025 (U15 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1440.5 | 6 | 3.5 | 1345.3 | 0 | Details |
| 8 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1394.6 | 6 | 5 | 1623.3 | 0 | Details |
| 9 | CT Metro District East Top Schools Chess 2024 (U15 Mixed) | Standard | 2024-07-27 | 2024-07-28 | Cape Town (WCT) | 7 | 1332.4 | 6 | 5.5 | 1572.8 | 0 | Details |
| 10 | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1332.4 | 6 | 4 | 1401 | 0 | Details |
| 11 | Cape Town Junior League Finals 2024 (U15 Open A) | Rapid | 2024-05-18 | 2024-05-18 | Cape Town (WCT) | 5 | 1288.3 | 5 | 3 | 1360.4 | 0 | Details |
| 12 | Cape Town Junior League - Qualifier 2 2024 (U15) | Rapid | 2024-04-20 | 2024-04-20 | Cape Town (WCT) | 6 | 1288.3 | 6 | 5.5 | 1553.7 | 0 | Details |
| 13 | Cape Town Junior League Qualifier 2024 (U15 Open) | Rapid | 2024-04-06 | 2024-04-06 | Cape Town (WCT) | 6 | 1264.8 | 5 | 3.5 | 1480.7 | 0 | Details |
| 14 | Cape Town Open Chess Championship 2024 (Beginner) | Standard | 2024-03-16 | 2024-03-17 | Cape Town (WCT) | 6 | 1198 | 6 | 5 | 1469 | 0 | Details |
| 15 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1200 | 4 | 2 | 1188.7 | 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 | 6 |
| Wins | 3 |
| Draws | 2 |
| Losses | 1 |
| White | 3 |
| Black | 3 |
| White wins | 2 |
| Black wins | 1 |
| Score | 4 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1319.8 |
| Performance | 1461.4 |
Game statistics (History)
| Games | 83 |
| Wins | 52 |
| Draws | 16 |
| Losses | 15 |
| White | 44 |
| Black | 39 |
| White wins | 29 |
| Black wins | 23 |
| Score | 60 |
| Percent | 72.3 |
| Dp | 189.5 |
| AOR | 1279.8 |
| Performance | 1469.3 |
Rankings (Main)
| National | |
| Overall | 2164 |
| Gender | 1883 |
| Age group | 277 |
| Gender/Age | 231 |
| Provincial | |
| Overall | 645 |
| Gender | 549 |
| Age group | 83 |
| Gender/Age | 66 |
| Regional | |
| Overall | 354 |
| Gender | 313 |
| Age group | 32 |
| Gender/Age | 26 |
Rankings (Standard)
| National | |
| Overall | 2167 |
| Gender | 1870 |
| Age group | 292 |
| Gender/Age | 239 |
| Provincial | |
| Overall | 609 |
| Gender | 505 |
| Age group | 83 |
| Gender/Age | 62 |
| Regional | |
| Overall | 345 |
| Gender | 297 |
| Age group | 32 |
| Gender/Age | 25 |
Rankings (Rapid)
| National | |
| Overall | 1122 |
| Gender | 952 |
| Age group | 149 |
| Gender/Age | 126 |
| Provincial | |
| Overall | 560 |
| Gender | 462 |
| Age group | 84 |
| Gender/Age | 68 |
| Regional | |
| Overall | 263 |
| Gender | 236 |
| Age group | 30 |
| Gender/Age | 27 |
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 | 6 |
| Score | 4 |
| Percent | 66.7 |
| Aor | 1319.8 |
| Dp | 141.7 |
| Prat | 1461.4 |
Performance (12 months)
| Games | 33 |
| Score | 23 |
| Percent | 69.7 |
| Aor | 1323.5 |
| Dp | 167.4 |
| Prat | 1490.9 |
Performance (History)
| Games | 83 |
| Score | 60 |
| Percent | 72.3 |
| Aor | 1279.8 |
| Dp | 189.5 |
| Prat | 1469.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Luh, A (Ammar) | 2 | 1 | 1 | Cape Town Junior League - Qualifier 2 2024 (U15) | Cape Town Junior League Finals 2024 (U15 Open A) | Details |
| Overall | 2 | Carstens, J (Joshua) | 2 | 1 | 1 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Overall | 3 | Mandla, L (Luphelele) | 2 | 1 | 1 | Cape Town Junior League Qualifier 2024 (U15 Open) | Cape Town Junior League - Qualifier 2 2024 (U15) | Details |
| Overall | 4 | Isaacs, T (Tyrique) | 2 | 2 | 0 | Cape Town Junior League - Qualifier 2 2024 (U15) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Overall | 5 | Baker, A (Alex) | 2 | 2 | 0 | Cape Town Junior League - Qualifier 2 2024 (U15) | CT Metro Schools Individual Closed 2025 (U15 Open) | Details |
| Standard | 1 | Carstens, J (Joshua) | 2 | 1 | 1 | CT District East Schools Chess Individuals Trails 2024 (U15 Boys) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Standard | 2 | Van Wyk, W (Will) | 2 | 0 | 2 | CT Metro District East Top Schools Chess 2024 (U15 Mixed) | CT Metro District East Schools Chess Individuals Trials 2026 (U17 Boys) | Details |
| Rapid | 1 | Mandla, L (Luphelele) | 2 | 1 | 1 | Cape Town Junior League Qualifier 2024 (U15 Open) | Cape Town Junior League - Qualifier 2 2024 (U15) | Details |
| Rapid | 2 | Luh, A (Ammar) | 2 | 1 | 1 | Cape Town Junior League - Qualifier 2 2024 (U15) | Cape Town Junior League Finals 2024 (U15 Open A) | Details |