PLAYER PAGE
Isabella Temmers
2140140713Cape Town (WCT)Personal
Main rating
| Rating | 1639.1 |
| K-factor | 28 |
| Floor | 1194.9 |
| Highest | 1694.9 (2026-04-01) |
| Min/Max +/- allowed | 82 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1634.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1639.1 |
| K-factor | 28 |
| Floor | 1194.9 |
| Highest | 1694.9 (2026-04-01) |
| Min/Max +/- allowed | 81.9 |
Standard rating
| Rating | 1624 |
| K-factor | 28 |
| Floor | 1165.6 |
| Highest | 1665.6 (2026-04-01) |
| Min/Max +/- allowed | 85.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1629.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1624 |
| K-factor | 28 |
| Floor | 1165.6 |
| Highest | 1665.6 (2026-04-01) |
| Min/Max +/- allowed | 85.4 |
Rapid rating
| Rating | 1509.6 |
| K-factor | 32 |
| Floor | 1037.9 |
| Highest | 1546.9 (2022-05-01) |
| Min/Max +/- allowed | 101.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1442.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1509.6 |
| K-factor | 32 |
| Floor | 1037.9 |
| Highest | 1546.9 (2022-05-01) |
| Min/Max +/- allowed | 101.2 |
Blitz rating
| Rating | 1281.4 |
| K-factor | 36 |
| Floor | 781.4 |
| Highest | 1281.4 (2025-11-30) |
| Min/Max +/- allowed | 147.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1281.4 |
| K-factor | 36 |
| Floor | 781.4 |
| Highest | 1281.4 (2025-11-30) |
| Min/Max +/- allowed | 147.7 |
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 | 2026 Africa Youth Chess Championship | Classical | 2026-05-15 | 2026-05-21 | Uganda (UGA) | 9 | 1694.9 | 9 | 6.5 | 1769.7 | 21.3 | Details |
| 2 | Moja Chess Extravaganza 2026 (Ladies) | Classical | 2026-04-25 | 2026-04-30 | Cape Town (WCT) | 9 | 1694.9 | 8 | 3 | 1379.8 | -77.2 | Details |
| 3 | South African Junior Closed Chess Championship 2026 (U12 Girls) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1615.4 | 9 | 7 | 1849.5 | 68.2 | Details |
| 4 | CT Metro Schools Individual Closed 2026 (U13 Girls) | Standard | 2026-03-07 | 2026-03-08 | Cape Town (WCT) | 6 | 1552.2 | 6 | 5 | 1632 | 13.8 | Details |
| 5 | De Hoop Primary School Chess Team Selection Play-Offs 2026 (U13) | Rapid | 2026-02-27 | 2026-02-27 | Cape Winelands | 5 | 1552.2 | 5 | 5 | 1770.6 | 22.7 | Details |
| 6 | Chess Elevation Series 3 2026 (Level 5) | Standard | 2026-02-20 | 2026-02-21 | Cape Town (WCT) | 5 | 1569.2 | 5 | 3 | 1597.1 | 2.1 | Details |
| 7 | CT Metro District East Schools Chess Individuals Trials 2026 (U13 Girls) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1569.2 | 6 | 6 | 1758.6 | 15.7 | Details |
| 8 | COGH 2026 (Advanced) | Standard | 2026-01-31 | 2026-02-01 | Cape Town (WCT) | 6 | 1569.2 | 6 | 2 | 1263.9 | -35.5 | Details |
| 9 | Helderberg Chess Club Open 2026 (A) | Standard | 2026-01-17 | 2026-01-17 | Cape Town (WCT) | 5 | 1568.6 | 5 | 2 | 1580.8 | 0.1 | Details |
| 10 | Commonwealth Chess Championship 2025 (Blitz) | Blitz | 2025-11-16 | 2025-11-16 | Malaysia (MAS) | 9 | 1610.7 | 9 | 3.5 | 1414.2 | -7.3 | Details |
| 11 | Commonwealth Chess Championship 2025 | Classical | 2025-11-09 | 2025-11-16 | Malaysia (MAS) | 9 | 1610.7 | 9 | 4.5 | 1506 | -22.8 | Details |
| 12 | Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Girls) | Standard | 2025-10-18 | 2025-10-18 | Cape Town (WCT) | 5 | 1612.4 | 5 | 4.5 | 1723 | 11.8 | Details |
| 13 | UCT Open Chess Championship 2025 (U12) | Rapid | 2025-10-11 | 2025-10-11 | Cape Town (WCT) | 6 | 1612.4 | 6 | 3 | 1441.1 | -13 | Details |
| 14 | CT Metro District East Top Schools Chess 2025 (U11) | Standard | 2025-08-02 | 2025-08-03 | Cape Town (WCT) | 5 | 1592.1 | 5 | 5 | 1711.5 | 12.6 | Details |
| 15 | Cape Winelands Open 2025 (U12) | Standard | 2025-07-19 | 2025-07-19 | Cape Winelands (WCW) | 5 | 1559.9 | 5 | 4 | 1772.5 | 20.1 | Details |
| 16 | Cape Winelands Queens 2025 (Championship) | Rapid | 2025-06-21 | 2025-06-21 | Cape Winelands (WCW) | 6 | 1553.9 | 6 | 3 | 1603.1 | 3.7 | Details |
| 17 | Western Cape Schools Individual Championship 2025 (U11 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1561.4 | 6 | 4 | 1519.8 | -4.6 | Details |
| 18 | South African Junior Closed Chess Championships 2025 (U12 Girls) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1561.1 | 9 | 5.5 | 1564.9 | 0.2 | Details |
| 19 | Western Cape Closed 2025 (B) | Standard | 2025-03-08 | 2025-03-09 | Cape Town (WCT) | 6 | 1542.9 | 6 | 2.5 | 1420.8 | -16.1 | Details |
| 20 | CT Metro Schools Individual Closed 2025 (U11 Girls) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1542.9 | 6 | 6 | 1768.8 | 27.5 | Details |
| 21 | Cape of Good Hope Open 2025 (Advanced) | Standard | 2025-02-22 | 2025-02-23 | Cape Town (WCT) | 6 | 1480.2 | 6 | 2 | 1347.4 | -15.6 | Details |
| 22 | De Hoop Primary Schools Teams Play-offs 2025 (U11) | Standard | 2025-02-08 | 2025-02-08 | Cape Town (WCT) | 5 | 1480.2 | 5 | 4 | 1645.1 | 15.4 | Details |
| 23 | CT Metro District East Schools Chess Individuals Trials 2025 (U11 Girls) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1480.2 | 6 | 6 | 1733.5 | 29.9 | Details |
| 24 | Helderberg Chess Club PS Development Tournament 2025 (U11 Girls) | Standard | 2025-01-25 | 2025-01-25 | Cape Town (WCT) | 5 | 1467.2 | 4 | 3 | 1570.2 | 8.1 | Details |
| 25 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1394.9 | 7 | 5 | 1673.1 | 44.8 | Details |
| 26 | UCT Open Chess Championship 2024 (Intermediate) | Standard | 2024-10-12 | 2024-10-13 | Cape Town (WCT) | 6 | 1441.6 | 6 | 2 | 1119.4 | -39.5 | Details |
| 27 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U11) | Standard | 2024-10-05 | 2024-10-05 | Cape Town (WCT) | 5 | 1441.6 | 5 | 4 | 1536.3 | 10.1 | Details |
| 28 | CT Metro District East Top Schools Chess 2024 (U11 Mixed) | Standard | 2024-07-27 | 2024-07-28 | Cape Town (WCT) | 7 | 1472.8 | 6 | 4.5 | 1449.6 | -2.3 | Details |
| 29 | South African Open Chess Championship 2024 (C) | Standard | 2024-07-04 | 2024-07-07 | Ethekwini (KED) | 7 | 1472.8 | 7 | 4.5 | 1358.5 | -18 | Details |
| 30 | Cape Town Chess Federation Closed Chess Championships 2024 (U12) | Standard | 2024-06-15 | 2024-06-16 | Cape Town (WCT) | 6 | 1472.1 | 6 | 3.5 | 1409.4 | -7.5 | Details |
| 31 | Western Cape PS Individuals Championship 2024 (U11 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1420.5 | 6 | 5 | 1672.5 | 29.7 | Details |
| 32 | Hermanus Chess Club Open 2024 (Intermediate) | Rapid | 2024-04-20 | 2024-04-20 | Overberg (WOS) | 7 | 1373.2 | 0 | 0 | 0 | 0 | Details |
| 33 | Strategize to Win 2024 (C) | Standard | 2024-04-13 | 2024-04-14 | Cape Town (WCT) | 5 | 1373.2 | 5 | 4 | 1654.4 | 29.7 | Details |
| 34 | Cape Town Open Chess Championship 2024 (Intermediate) | Standard | 2024-03-16 | 2024-03-17 | Cape Town (WCT) | 6 | 1411.4 | 6 | 2.5 | 1210.1 | -24.8 | Details |
| 35 | Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1411.4 | 6 | 4 | 1416.9 | 0.8 | Details |
| 36 | CT District East Schools Chess Individuals Trails 2024 (U11 Girls) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1429.9 | 5 | 5 | 1714.2 | 27.2 | Details |
| 37 | Cape of Good Hope Open Chess Tournament 2024 (Intermediate) | Standard | 2024-02-17 | 2024-02-17 | Cape Town (WCT) | 6 | 1429.9 | 5 | 1 | 1043 | -39 | Details |
| 38 | Overberg Open Rapid 2024 (U11) | Rapid | 2024-01-27 | 2024-01-27 | Overberg (WOS) | 5 | 1413.4 | 5 | 4 | 1591.5 | 10.4 | Details |
| 39 | De Hoop Chess Championship 2023 (U9) | Rapid | 2023-10-14 | 2023-10-14 | Cape Town (WCT) | 3 | 1431.5 | 3 | 2.5 | 1601.9 | 6.8 | Details |
| 40 | Bonnievale Open Rapid 2023 (Intermediate) | Rapid | 2023-10-21 | 2023-10-21 | Cape Winelands (WCW) | 6 | 1431.5 | 6 | 2 | 1193.4 | -18.1 | Details |
| 41 | Western Cape Closed Championship 2023 (U10) | Rapid | 2023-09-23 | 2023-09-23 | Cape Town (WCT) | 6 | 1406.1 | 6 | 5 | 1613.6 | 16 | Details |
| 42 | CW Top Schools 2023 (Intermediate) | Standard | 2023-08-12 | 2023-08-12 | West Coast (WCU) | 5 | 1467.7 | 5 | 2 | 1076.5 | -38.5 | Details |
| 43 | CT Metro District East Top Schools Chess 2023 (U9 Mixed) | Rapid | 2023-07-29 | 2023-07-29 | Cape Town (WCT) | 5 | 1462.9 | 4 | 3 | 1512.2 | 2.9 | Details |
| 44 | WP Closed 2023 (U10) | Standard | 2023-06-17 | 2023-06-17 | Cape Town (WCT) | 5 | 1452.8 | 5 | 4 | 1520.7 | 6.1 | Details |
| 45 | Western Cape PS Individuals 2023 (U9 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1404.1 | 6 | 5.5 | 1650 | 28.9 | Details |
| 46 | Rhenish Primary Tournament 2023 (U10) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 5 | 1404.1 | 4 | 3 | 1433 | 1.8 | Details |
| 47 | Cape Town Open 2023 (U10) | Rapid | 2023-03-25 | 2023-03-25 | Cape Town (WCT) | 6 | 1367.5 | 6 | 4 | 1371.5 | 0.4 | Details |
| 48 | Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Girls) | Rapid | 2023-03-04 | 2023-03-04 | Cape Town (WCT) | 5 | 1367.5 | 5 | 5 | 1639.8 | 19.9 | Details |
| 49 | District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) | Rapid | 2023-02-04 | 2023-02-04 | Cape Town (WCT) | 5 | 1311.8 | 4 | 3 | 1461.3 | 8.6 | Details |
| 50 | De Hoop Teams Play Offs 2023 (U9 Mixed) | Rapid | 2023-02-11 | 2023-02-11 | Cape Town (WCT) | 5 | 1311.8 | 5 | 5 | 1634.6 | 22.5 | 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 | 59 |
| Wins | 37 |
| Draws | 5 |
| Losses | 17 |
| White | 31 |
| Black | 28 |
| White wins | 20 |
| Black wins | 17 |
| Score | 39.5 |
| Percent | 66.9 |
| Dp | 144.1 |
| AOR | 1487.8 |
| Performance | 1631.9 |
Game statistics (History)
| Games | 301 |
| Wins | 195 |
| Draws | 21 |
| Losses | 85 |
| White | 152 |
| Black | 149 |
| White wins | 100 |
| Black wins | 95 |
| Score | 205.5 |
| Percent | 68.3 |
| Dp | 155.3 |
| AOR | 1372.5 |
| Performance | 1527.8 |
Rankings (Main)
| National | |
| Overall | 832 |
| Gender | 58 |
| Age group | 44 |
| Gender/Age | 7 |
| Provincial | |
| Overall | 248 |
| Gender | 21 |
| Age group | 17 |
| Gender/Age | 4 |
| Regional | |
| Overall | 182 |
| Gender | 13 |
| Age group | 10 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 840 |
| Gender | 66 |
| Age group | 50 |
| Gender/Age | 9 |
| Provincial | |
| Overall | 245 |
| Gender | 23 |
| Age group | 18 |
| Gender/Age | 5 |
| Regional | |
| Overall | 178 |
| Gender | 13 |
| Age group | 10 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | 365 |
| Gender | 24 |
| Age group | 47 |
| Gender/Age | 9 |
| Provincial | |
| Overall | 162 |
| Gender | 12 |
| Age group | 26 |
| Gender/Age | 5 |
| Regional | |
| Overall | 97 |
| Gender | 5 |
| Age group | 13 |
| 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 | 59 |
| Score | 39.5 |
| Percent | 66.9 |
| Aor | 1487.8 |
| Dp | 144.1 |
| Prat | 1631.9 |
Performance (12 months)
| Games | 104 |
| Score | 67 |
| Percent | 64.4 |
| Aor | 1481.9 |
| Dp | 122.6 |
| Prat | 1604.5 |
Performance (History)
| Games | 301 |
| Score | 205.5 |
| Percent | 68.3 |
| Aor | 1372.5 |
| Dp | 155.3 |
| Prat | 1527.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Klopper, B (Ben) | 10 | 5 | 5 | De Hoop Teams Play Offs 2023 (U9 Mixed) | De Hoop Primary School Chess Team Selection Play-Offs 2026 (U13) | Details |
| Overall | 2 | Walters, N (Nicola) | 9 | 4 | 5 | Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Girls) | CT Metro District East Schools Chess Individuals Trials 2026 (U13 Girls) | Details |
| Overall | 3 | Pfukwa, R (Rujeko) | 5 | 2 | 3 | De Hoop Teams Play Offs 2023 (U9 Mixed) | Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Girls) | Details |
| Overall | 4 | Javed, Z (Zainab) | 4 | 3 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Girls) | CT Metro Schools Individual Closed 2025 (U11 Girls) | Details |
| Overall | 5 | Pretorius, M (Mia) | 4 | 2 | 2 | CT District East Schools Chess Individuals Trails 2024 (U11 Girls) | De Hoop Primary School Chess Team Selection Play-Offs 2026 (U13) | Details |
| Standard | 1 | Walters, N (Nicola) | 7 | 3 | 4 | Western Cape PS Individuals 2023 (U9 Girls) | CT Metro District East Schools Chess Individuals Trials 2026 (U13 Girls) | Details |
| Standard | 2 | Klopper, B (Ben) | 5 | 2 | 3 | Cape Town Chess Federation Closed Chess Championships 2024 (U12) | Helderberg Chess Club Open 2026 (A) | Details |
| Standard | 3 | Pfukwa, R (Rujeko) | 4 | 2 | 2 | Helderberg Chess Club PS Development Tournament 2025 (U11 Girls) | Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Girls) | Details |
| Standard | 4 | De Bruyn, K (Kayla) | 3 | 2 | 1 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U11) | CT Metro Schools Individual Closed 2026 (U13 Girls) | Details |
| Standard | 5 | Chigwende, O (Olindar) | 3 | 0 | 3 | Helderberg Chess Club PS Development Tournament 2025 (U11 Girls) | Western Cape Schools Individual Championship 2025 (U11 Girls) | Details |
| Rapid | 1 | Klopper, B (Ben) | 5 | 3 | 2 | De Hoop Teams Play Offs 2023 (U9 Mixed) | De Hoop Primary School Chess Team Selection Play-Offs 2026 (U13) | Details |
| Rapid | 2 | Janse Van Rensburg, M (Michael) | 2 | 2 | 0 | De Hoop Teams Play Offs 2023 (U9 Mixed) | De Hoop Chess Championship 2023 (U9) | Details |
| Rapid | 3 | Kruger, M (Migael) | 2 | 1 | 1 | District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) | CT Metro District East Top Schools Chess 2023 (U9 Mixed) | Details |
| Rapid | 4 | Rommelmann, L (Liezl-Marie) | 2 | 2 | 0 | Metro Rapid 2022 (U9 Girls) | De Hoop Primary School Chess Team Selection Play-Offs 2026 (U13) | Details |
| Rapid | 5 | Walters, N (Nicola) | 2 | 1 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Girls) | Rhenish Primary Tournament 2023 (U10) | Details |