Player Page

Iuzhakova, H (Heidi)
Dob: 2012/06/30 (U14)
Gender: Female
Chess SA id: 2120137358
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (66 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1449.1
Current Weighted rating1392.3
Current Weighted performance1441.2
Current official/published rating (highest between Raw, WR and WP)1449.1
Current highest rating achieved1449.1
Current floor (min rating allowed)949.1
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±116.3
Current Raw change used (final)0.0
Projected new Raw rating1449.1
Projected new Weighed rating1282.0
Projected new Weighted performance1441.2
Projected new final Raw rating (if new WP > new Raw)1449.1
Projected new highest rating1449.1
Projected new floor949.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1449.1
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1435.8
Current Weighted rating1388.7
Current Weighted performance1418.9
Current official/published rating (highest between Raw, WR and WP)1435.8
Current highest rating achieved1435.8
Current floor (min rating allowed)935.8
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±118.5
Current Raw change used (final)0.0
Projected new Raw rating1435.8
Projected new Weighed rating1278.4
Projected new Weighted performance1418.9
Projected new final Raw rating (if new WP > new Raw)1435.8
Projected new highest rating1435.8
Projected new floor935.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1435.8
Projected effective change (new Official - current Official)=0.0
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1332.5
Current Weighted rating1278.1
Current Weighted performance1184.5
Current official/published rating (highest between Raw, WR and WP)1332.5
Current highest rating achieved1332.5
Current floor (min rating allowed)832.5
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±137.3
Current Raw change used (final)0.0
Projected new Raw rating1332.5
Projected new Weighed rating1176.6
Projected new Weighted performance1184.5
Projected new final Raw rating (if new WP > new Raw)1332.5
Projected new highest rating1332.5
Projected new floor832.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1332.5
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 Western Cape Top Schools Championship 2024 (U13 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1418.8 1396.4 Analysis
6 CT Metro Central District Top Schools 2024 (U13 Girls) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 6 6 6.0 1398.1 1251.9 Analysis
5 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.0 1377.8 1387.1 Analysis
4 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1365.6 1375.3 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1362.9 1376.9 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (U12) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1380.4 1256.9 Analysis
1 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1214.9 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 Western Cape Top Schools Championship 2024 (U13 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1418.8 1396.4 Analysis
24 CT Metro Central District Top Schools 2024 (U13 Girls) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 6 6 6.0 1398.1 1251.9 Analysis
23 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.0 1377.8 1387.1 Analysis
22 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1365.6 1375.3 Analysis
21 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1362.9 1376.9 Analysis
20 Cape of Good Hope Open Chess Tournament 2024 (U12) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1380.4 1256.9 Analysis
19 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1214.9 1200.0 Analysis
18 Western Cape Top Schools 2023 (U11 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 5.0 1342.7 1330.8 Analysis
17 CW Top Schools 2023 (U12) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 5 2.5 1343.8 1338.5 Analysis
16 Cape Winelands Open 2023 (U12) 2023/07/23 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 5 5 2.5 1361.3 1358.3 Analysis
15 WP Closed 2023 (U12) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1391.4 1402.1 Analysis
14 Western Cape PS Individuals 2023 (U11 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1401.8 1417.8 Analysis
13 Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1346.8 1356.0 Analysis
12 Central District School Trials 2023 (U11 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1310.3 1311.4 Analysis
11 Cape of Good Hope Open 2023 (U12) 2023/01/28 2023/01/28 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1324.9 1262.3 Analysis
10 Western Cape Closed Championship 2022 (U12) 2022/09/24 2022/09/24 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1282.8 1248.4 Analysis
9 Western Cape Top Schools 2022 (U11 Girls) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 3.0 1282.8 1248.4 Analysis
8 South African Open 2022 (U12) 2022/07/11 2022/07/13 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1248.8 1240.5 Analysis
7 Curro Durbanville Chess Open Rapid 2022 (U12) 2022/07/02 2022/07/02 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1248.8 1210.8 Analysis
6 Stellenberg Chess Championship 2022 (U12) 2022/06/25 2022/06/25 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1252.8 1182.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 41 28 2 11 29.0 70.7 176.2 1273.0 1449.3
White 22 16 2 4 17.0 77.3 231.8 1253.5 1485.3
Black 19 12 0 7 12.0 63.2 111.8 1295.7 1407.5
Standard All 29 19 2 8 20.0 69.0 161.2 1308.8 1470.0
White 16 11 2 3 12.0 75.0 212.5 1278.7 1491.2
Black 13 8 0 5 8.0 61.5 98.1 1345.9 1443.9
Rapid All 12 9 0 3 9.0 75.0 212.5 1186.6 1399.1
White 6 5 0 1 5.0 83.3 283.3 1186.3 1469.6
Black 6 4 0 2 4.0 66.7 141.7 1186.9 1328.6
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 143 88 4 51 90.0 62.9 110.0 1263.3 1373.2
White 72 50 4 18 52.0 72.2 188.9 1248.8 1437.7
Black 71 38 0 33 38.0 53.5 29.9 1278.0 1307.9
Standard All 103 64 4 35 66.0 64.1 119.7 1277.0 1396.6
White 54 37 4 13 39.0 72.2 188.9 1258.8 1447.7
Black 49 27 0 22 27.0 55.1 43.4 1297.0 1340.3
Rapid All 40 24 0 16 24.0 60.0 85.0 1228.0 1313.0
White 18 13 0 5 13.0 72.2 188.9 1218.6 1407.5
Black 22 11 0 11 11.0 50.0 0.0 1235.7 1235.7
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2120109817 Hagen, S (Sophia) 4 0.0 0 0 4 0.0 1299.3 -425.0 874.3 View list
2 2120143647 Qoto, A (Asivile) 3 3.0 3 0 0 100.0 1381.0 425.0 1806.0 View list
3 2120140117 Lambrechts, K (Kailynn) 3 2.0 2 0 1 66.7 1307.0 141.7 1448.6 View list
4 2120110759 Ntontelo, K (Khazimla) 3 2.0 2 0 1 66.7 1336.8 141.7 1478.4 View list
5 2110117567 Schoeman, M (Mischke) 3 1.0 1 0 2 33.3 1246.7 -141.7 1105.0 View list
6 1130132170 Srivastava, P (Prakhar) 3 1.0 1 0 2 33.3 1365.5 -141.7 1223.8 View list
7 2110150589 Arizona-Jumaine, U (Umu-Rahma) 2 2.0 2 0 0 100.0 1398.1 425.0 1823.1 View list
8 2120147459 Johannes, Z (Zoe) 2 2.0 2 0 0 100.0 1262.6 425.0 1687.6 View list
9 2120138760 Liu, A (Amy) 2 2.0 2 0 0 100.0 1275.7 425.0 1700.7 View list
10 2110138052 Potgieter, R (Rayhanna) 2 2.0 2 0 0 100.0 1197.1 425.0 1622.1 View list
11 1120137368 Sher, J (Jonah) 2 2.0 2 0 0 100.0 1262.5 425.0 1687.5 View list
12 2110143648 Shumba, O (Onalerona) 2 2.0 2 0 0 100.0 1231.8 425.0 1656.8 View list
13 2120109829 Van De Vyver, M (Mia) 2 2.0 2 0 0 100.0 1363.4 425.0 1788.4 View list
14 2120146731 Williams, A (Azraa) 2 2.0 2 0 0 100.0 1398.1 425.0 1823.1 View list
15 2130137739 Fani, K (Khazimla) 2 1.0 1 0 1 50.0 1363.6 0.0 1363.6 View list
16 1120147731 Harding, J (Jodie) 2 1.0 1 0 1 50.0 1384.6 0.0 1384.6 View list
17 2110096159 Snijders, E (Emma) 2 1.0 1 0 1 50.0 1207.5 0.0 1207.5 View list
18 1110137370 Spence, B (Brian) 2 1.0 1 0 1 50.0 1315.3 0.0 1315.3 View list
19 2110136773 Taute, E (Edwina) 2 1.0 1 0 1 50.0 1350.8 0.0 1350.8 View list
20 2120114045 Wilson, EM (Emlyn) 2 1.0 1 0 1 50.0 1259.6 0.0 1259.6 View list