PLAYER PAGE
Heidi Iuzhakova
2120137358Cape Town (WCT)Personal
Main rating
| Rating | 1417.8 |
| K-factor | 32 |
| Floor | 949.1 |
| Highest | 1475.1 (2024-09-01) |
| Min/Max +/- allowed | 112 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1223.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1417.8 |
| K-factor | 32 |
| Floor | 949.1 |
| Highest | 1475.1 (2024-09-01) |
| Min/Max +/- allowed | 112 |
Standard rating
| Rating | 1409.1 |
| K-factor | 32 |
| Floor | 935.8 |
| Highest | 1435.8 (2024-10-01) |
| Min/Max +/- allowed | 118.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1218.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1409.1 |
| K-factor | 32 |
| Floor | 935.8 |
| Highest | 1435.8 (2024-10-01) |
| Min/Max +/- allowed | 118.5 |
Rapid rating
| Rating | 1332.5 |
| K-factor | 36 |
| Floor | 832.5 |
| Highest | 1332.5 (2024-08-01) |
| Min/Max +/- allowed | 137.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1039.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1332.5 |
| K-factor | 36 |
| Floor | 832.5 |
| Highest | 1332.5 (2024-08-01) |
| Min/Max +/- allowed | 137.3 |
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 | Western Cape Schools Individual Championship 2025 (U13 Girls) | Standard | 2025-05-17 | 2025-05-18 | Cape Winelands (WCW) | 6 | 1410.6 | 0 | 0 | 0 | 0 | Details |
| 2 | Western Cape Closed 2025 (B) | Standard | 2025-03-08 | 2025-03-09 | Cape Town (WCT) | 6 | 1408.5 | 3 | 0 | 1056.8 | 0 | Details |
| 3 | CT Metro Schools Individual Closed 2025 (U13 Girls) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1408.5 | 6 | 4 | 1398.4 | 0 | Details |
| 4 | 2025 District Central Schools Chess Individual Trials (U13 Girls) | Standard | 2025-01-31 | 2025-02-01 | Cape Town (WCT) | 6 | 1449.1 | 6 | 3 | 1213.1 | 0 | Details |
| 5 | Western Cape Top Schools Championship 2024 (U13 Girls) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1418.8 | 6 | 4.5 | 1591.7 | 0 | Details |
| 6 | CT Metro Central District Top Schools 2024 (U13 Girls) | Rapid | 2024-07-27 | 2024-07-27 | Cape Town (WCT) | 6 | 1398.1 | 6 | 6 | 1547 | 0 | Details |
| 7 | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | Standard | 2024-06-15 | 2024-06-16 | Cape Town (WCT) | 6 | 1377.8 | 6 | 4 | 1480.8 | 0 | Details |
| 8 | Western Cape PS Individuals Championship 2024 (U13 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1365.6 | 6 | 4 | 1431.3 | 0 | Details |
| 9 | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1362.9 | 6 | 3.5 | 1376.8 | 0 | Details |
| 10 | CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1214.9 | 5 | 4 | 1469.3 | 0 | Details |
| 11 | Cape of Good Hope Open Chess Tournament 2024 (U12) | Rapid | 2024-02-17 | 2024-02-17 | Cape Town (WCT) | 6 | 1380.4 | 6 | 3 | 1251.2 | 0 | Details |
| 12 | Western Cape Top Schools 2023 (U11 Girls) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 6 | 1342.7 | 6 | 5 | 1542.3 | 0 | Details |
| 13 | CW Top Schools 2023 (U12) | Standard | 2023-08-12 | 2023-08-12 | West Coast (WCU) | 5 | 1343.8 | 5 | 2.5 | 1330.4 | 0 | Details |
| 14 | Cape Winelands Open 2023 (U12) | Standard | 2023-07-23 | 2023-07-23 | Cape Winelands (WCW) | 5 | 1361.3 | 5 | 2.5 | 1259.3 | 0 | Details |
| 15 | WP Closed 2023 (U12) | Standard | 2023-06-16 | 2023-06-17 | Cape Town (WCT) | 6 | 1391.4 | 6 | 3 | 1237.9 | 0 | Details |
| 16 | Western Cape PS Individuals 2023 (U11 Girls) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1401.8 | 6 | 4 | 1343.4 | 0 | Details |
| 17 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | Standard | 2023-03-03 | 2023-03-04 | Cape Town (WCT) | 6 | 1346.8 | 6 | 5 | 1606.3 | 0 | Details |
| 18 | Central District School Trials 2023 (U11 Girls) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1310.3 | 6 | 5 | 1481.4 | 0 | Details |
| 19 | Cape of Good Hope Open 2023 (U12) | Rapid | 2023-01-28 | 2023-01-28 | Cape Town (WCT) | 6 | 1324.9 | 6 | 3 | 1216.3 | 0 | Details |
| 20 | Western Cape Top Schools 2022 (U11 Girls) | Standard | 2022-09-16 | 2022-09-17 | Overberg (WOS) | 5 | 1282.8 | 5 | 3 | 1390.3 | 0 | Details |
| 21 | Western Cape Closed Championship 2022 (U12) | Standard | 2022-09-24 | 2022-09-24 | Cape Winelands (WCW) | 5 | 1282.8 | 5 | 3 | 1400.5 | 0 | Details |
| 22 | South African Open 2022 (U12) | Standard | 2022-07-11 | 2022-07-13 | Cape Town (WCT) | 6 | 1248.8 | 6 | 3 | 1288.5 | 0 | Details |
| 23 | Curro Durbanville Chess Open Rapid 2022 (U12) | Rapid | 2022-07-02 | 2022-07-02 | Cape Town (WCT) | 6 | 1248.8 | 6 | 4 | 1428.1 | 0 | Details |
| 24 | WP Closed 2022 (U12) | Standard | 2022-06-16 | 2022-06-16 | Cape Town (WCT) | 6 | 1252.8 | 6 | 3 | 1217.5 | 0 | Details |
| 25 | Stellenberg Chess Championship 2022 (U12) | Rapid | 2022-06-25 | 2022-06-25 | Cape Town (WCT) | 6 | 1252.8 | 6 | 3 | 1268 | 0 | Details |
| 26 | Western Cape Schools 2022 (U11 Girls) | Standard | 2022-05-28 | 2022-05-29 | Cape Winelands (WCW) | 6 | 1204.5 | 6 | 4 | 1429.3 | 0 | Details |
| 27 | Metro WP Schools Chess Trials 2022 (U11 Girls) | Standard | 2022-04-22 | 2022-04-23 | Cape Town (WCT) | 6 | 1194.2 | 6 | 3 | 1240 | 0 | Details |
| 28 | 2022 Central District Individual Trials (U11) | Rapid | 2022-03-05 | 2022-03-05 | Cape Town (WCT) | 5 | 1200 | 5 | 3 | 1297.8 | 0 | Details |
| 29 | Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) | Rapid | 2022-02-19 | 2022-02-19 | Cape Town (WCT) | 5 | 1200 | 5 | 2 | 1153.9 | 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 | 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 (History)
| Games | 158 |
| Wins | 95 |
| Draws | 4 |
| Losses | 59 |
| White | 79 |
| Black | 79 |
| White wins | 53 |
| Black wins | 42 |
| Score | 97 |
| Percent | 61.4 |
| Dp | 96.8 |
| AOR | 1265.3 |
| Performance | 1362.1 |
Rankings (Main)
| National | |
| Overall | 2957 |
| Gender | 434 |
| Age group | 391 |
| Gender/Age | 84 |
| Provincial | |
| Overall | 889 |
| Gender | 153 |
| Age group | 110 |
| Gender/Age | 25 |
| Regional | |
| Overall | 468 |
| Gender | 61 |
| Age group | 45 |
| Gender/Age | 10 |
Rankings (Standard)
| National | |
| Overall | 2827 |
| Gender | 434 |
| Age group | 396 |
| Gender/Age | 85 |
| Provincial | |
| Overall | 793 |
| Gender | 155 |
| Age group | 104 |
| Gender/Age | 25 |
| Regional | |
| Overall | 428 |
| Gender | 66 |
| Age group | 44 |
| Gender/Age | 11 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 3 |
| Score | 0 |
| Percent | 0 |
| Aor | 1481.8 |
| Dp | -425 |
| Prat | 1056.8 |
Performance (History)
| Games | 158 |
| Score | 97 |
| Percent | 61.4 |
| Aor | 1265.3 |
| Dp | 96.8 |
| Prat | 1362.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Hagen, S (Sophia) | 4 | 2 | 2 | Western Cape Schools 2022 (U11 Girls) | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) | Details |
| Overall | 2 | Qoto, A (Asivile) | 4 | 3 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | 2025 District Central Schools Chess Individual Trials (U13 Girls) | Details |
| Overall | 3 | Shapiro, H (Hannah) | 3 | 2 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | CT Metro Schools Individual Closed 2025 (U13 Girls) | Details |
| Overall | 4 | Srivastava, P (Prakhar) | 3 | 2 | 1 | WP Closed 2023 (U12) | CW Top Schools 2023 (U12) | Details |
| Overall | 5 | Schoeman, M (Mischke) | 3 | 1 | 2 | Western Cape Schools 2022 (U11 Girls) | Western Cape Closed Championship 2022 (U12) | Details |
| Standard | 1 | Hagen, S (Sophia) | 4 | 2 | 2 | Western Cape Schools 2022 (U11 Girls) | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) | Details |
| Standard | 2 | Shapiro, H (Hannah) | 3 | 2 | 1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) | CT Metro Schools Individual Closed 2025 (U13 Girls) | Details |
| Standard | 3 | Srivastava, P (Prakhar) | 3 | 2 | 1 | WP Closed 2023 (U12) | CW Top Schools 2023 (U12) | Details |
| Standard | 4 | Ntontelo, K (Khazimla) | 3 | 1 | 2 | South African Open 2022 (U12) | Western Cape Top Schools Championship 2024 (U13 Girls) | Details |
| Standard | 5 | Louw, L (Lukas) | 2 | 1 | 1 | WP Closed 2023 (U12) | CW Top Schools 2023 (U12) | Details |
| Rapid | 1 | Sher, J (Jonah) | 2 | 1 | 1 | Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) | Cape of Good Hope Open 2023 (U12) | Details |
| Rapid | 2 | Arizona-Jumaine, U (Umu-Rahma) | 2 | 1 | 1 | CT Metro Central District Top Schools 2024 (U13 Girls) | CT Metro Central District Top Schools 2024 (U13 Girls) | Details |
| Rapid | 3 | Qoto, A (Asivile) | 2 | 1 | 1 | CT Metro Central District Top Schools 2024 (U13 Girls) | CT Metro Central District Top Schools 2024 (U13 Girls) | Details |
| Rapid | 4 | Williams, A (Azraa) | 2 | 1 | 1 | CT Metro Central District Top Schools 2024 (U13 Girls) | CT Metro Central District Top Schools 2024 (U13 Girls) | Details |