PLAYER PAGE
Alexander Underwood
1110138056Cape Town (WCT)Personal
Main rating
| Rating | 1563.3 |
| K-factor | 32 |
| Floor | 1088.2 |
| Highest | 1588.2 (2026-02-28) |
| Min/Max +/- allowed | 95 |
| Rating Change () | |
| Games | 18 |
| Score | 12.5 |
| We | 11.81 |
| SWe | 0.75 |
| Temp +/- | 24 |
| Penalties | 0 |
| Weight perform | 1540.6 |
| Final +/- | +24 |
| New Rating () | |
| Rating | 1587.4 |
| K-factor | 32 |
| Floor | 1088.2 |
| Highest | 1588.2 (2026-02-28) |
| Min/Max +/- allowed | 95.4 |
Standard rating
| Rating | 1551 |
| K-factor | 32 |
| Floor | 1078.7 |
| Highest | 1732.8 (2024-09-01) |
| Min/Max +/- allowed | 77.6 |
| Rating Change () | |
| Games | 18 |
| Score | 12.5 |
| We | 11.96 |
| SWe | 0.54 |
| Temp +/- | 17.3 |
| Penalties | 0 |
| Weight perform | 1540.6 |
| Final +/- | +17.3 |
| New Rating () | |
| Rating | 1568.2 |
| K-factor | 32 |
| Floor | 1078.7 |
| Highest | 1732.8 (2024-09-01) |
| Min/Max +/- allowed | 77.6 |
Rapid rating
| Rating | 1180.8 |
| 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 | 1180.8 |
| 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 | UCT Open Chess Championship 2026 (Advanced) | Standard | 2026-10-24 | 2026-10-25 | Cape Town (WCT) | 5 | 1563.3 | 5 | 3 | 1661.1 | 16 | Details |
| 2 | CTCF Women's Championship 2026 (U16 Junior) | Standard | 2026-09-24 | 2026-09-24 | Cape Town (WCT) | 5 | 1563.3 | 5 | 3.5 | 1399.9 | -14.5 | Details |
| 3 | CTCF League 2026 (B) | Classical | 2026-08-01 | 2026-09-20 | Cape Town (WCT) | 11 | 1563.3 | 2 | 1 | 1563.3 | 0 | Details |
| 4 | CTCF League 2026 (E) | Classical | 2026-08-15 | 2026-09-12 | Cape Town (WCT) | 9 | 1563.3 | 6 | 5 | 1673 | 22.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 WCSC HS Individual Championship (U15 Boys) | Standard | 2026-05-02 | 2026-05-03 | Eden (WEG) | 6 | 1565.2 | 5 | 2.5 | 1546.2 | -1.8 | Details |
| 2 | CT Metro Schools Individual Closed 2026 (U15 Boys) | Standard | 2026-03-07 | 2026-03-08 | Cape Town (WCT) | 6 | 1588.2 | 6 | 3.5 | 1466.4 | -23.1 | Details |
| 3 | CT Metro South Individual Trials 2026 (U15 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1571 | 6 | 5.5 | 1659.9 | 7.3 | Details |
| 4 | Kraaifontein Open 2025 (Advanced) | Standard | 2025-12-06 | 2025-12-07 | Cape Town (WCT) | 6 | 1573.5 | 6 | 3.5 | 1560.1 | -1.6 | Details |
| 5 | UCT Open Chess Championship 2025 (Advanced) | Standard | 2025-10-10 | 2025-10-12 | Cape Town (WCT) | 6 | 1576.8 | 6 | 3.5 | 1557.2 | -2.1 | Details |
| 6 | Cape Winelands Open 2025 (Advanced) | Standard | 2025-07-19 | 2025-07-20 | Cape Winelands (WCW) | 6 | 1511.4 | 6 | 4.5 | 1661.5 | 18.5 | Details |
| 7 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1334.2 | 6 | 4.5 | 1775 | 50 | Details |
| 8 | CT Metro Schools Individual Closed 2025 (U15 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1265.7 | 6 | 3.5 | 1584.2 | 38.1 | Details |
| 9 | District South Schools Chess Individual Trials 2025 (U15 Open) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1249.5 | 6 | 3.5 | 1326.2 | 9 | Details |
| 10 | Western Cape Top Schools Championship 2024 (U13 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1186.8 | 3 | 3 | 1714 | 31.4 | Details |
| 11 | 2022 Central District Individual Trials (U11) | Rapid | 2022-03-05 | 2022-03-05 | Cape Town (WCT) | 5 | 1200 | 5 | 2 | 1098.6 | -6.6 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 2 |
| Draws | 2 |
| Losses | 1 |
| White | 3 |
| Black | 2 |
| White wins | 1 |
| Black wins | 1 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1576.1 |
| Performance | 1661.1 |
Game statistics ()
| Games | 35 |
| Wins | 20 |
| Draws | 8 |
| Losses | 7 |
| White | 18 |
| Black | 17 |
| White wins | 11 |
| Black wins | 9 |
| Score | 24 |
| Percent | 68.6 |
| Dp | 157.9 |
| AOR | 1412.4 |
| Performance | 1570.3 |
Game statistics (History)
| Games | 79 |
| Wins | 43 |
| Draws | 18 |
| Losses | 18 |
| White | 40 |
| Black | 39 |
| White wins | 22 |
| Black wins | 21 |
| Score | 52 |
| Percent | 65.8 |
| Dp | 134.5 |
| AOR | 1414.6 |
| Performance | 1549.1 |
Rankings (Main)
| National | |
| Overall | 1363 |
| Gender | 1234 |
| Age group | 141 |
| Gender/Age | 119 |
| Provincial | |
| Overall | 403 |
| Gender | 358 |
| Age group | 43 |
| Gender/Age | 36 |
| Regional | |
| Overall | 245 |
| Gender | 225 |
| Age group | 24 |
| Gender/Age | 20 |
Rankings (Standard)
| National | |
| Overall | 1334 |
| Gender | 1194 |
| Age group | 146 |
| Gender/Age | 124 |
| Provincial | |
| Overall | 382 |
| Gender | 332 |
| Age group | 43 |
| Gender/Age | 36 |
| Regional | |
| Overall | 238 |
| Gender | 217 |
| Age group | 24 |
| Gender/Age | 21 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 30 |
| Score | 21 |
| Percent | 70 |
| Aor | 1385.1 |
| Dp | 170 |
| Prat | 1555.1 |
Performance (12 months)
| Games | 36 |
| Score | 24.5 |
| Percent | 68.1 |
| Aor | 1402.5 |
| Dp | 153.5 |
| Prat | 1555.9 |
Performance (History)
| Games | 74 |
| Score | 49 |
| Percent | 66.2 |
| Aor | 1403.7 |
| Dp | 137.8 |
| Prat | 1541.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Meyer, M (Matthew) | 2 | 2 | 0 | CT Metro Schools Individual Closed 2025 (U15 Open) | Western Cape Schools Individual Championship 2025 (U15 Boys) | Details |
| Overall | 2 | Lee, S (Shakoor) | 2 | 2 | 0 | 2022 Central District Individual Trials (U11) | CT Metro Schools Individual Closed 2026 (U15 Boys) | Details |
| Overall | 3 | Benjamin, C (Crushion) | 2 | 0 | 2 | CT Metro South Individual Trials 2026 (U15 Boys) | CT Metro Schools Individual Closed 2026 (U15 Boys) | Details |
| Overall | 4 | Maruma, KB (Kamogelo) | 2 | 1 | 1 | CT Metro Schools Individual Closed 2025 (U15 Open) | Western Cape Schools Individual Championship 2025 (U15 Boys) | Details |
| Standard | 1 | Maruma, KB (Kamogelo) | 2 | 1 | 1 | CT Metro Schools Individual Closed 2025 (U15 Open) | Western Cape Schools Individual Championship 2025 (U15 Boys) | Details |
| Standard | 2 | Meyer, M (Matthew) | 2 | 2 | 0 | CT Metro Schools Individual Closed 2025 (U15 Open) | Western Cape Schools Individual Championship 2025 (U15 Boys) | Details |
| Standard | 3 | Benjamin, C (Crushion) | 2 | 0 | 2 | CT Metro South Individual Trials 2026 (U15 Boys) | CT Metro Schools Individual Closed 2026 (U15 Boys) | Details |