Player Page

He, Z (Zonghan)
Dob: 2012/04/03 (U14)
Gender: Male
Chess SA id: 1120150398
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (6 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
Curent Raw rating1268.0
Curent Weighted rating1231.7
Curent Weighted performance1212.2
Current official/published rating (highest between Raw, WR and WP)1268.0
Current floor (min rating allowed)768.0
Current highest rating achieved1268.0
Current K-factor36
Games played this month11
Score (S)6.0
Expected score (We)5.81
Difference (S-We)0.19
Current Raw change (no limits, including tournament time weight)5.7
Current min/max change allowed (with limits)±150.5
Current Raw change used (final)5.7
Projected new Raw rating1273.7
Projected new Weighed rating1236.0
Projected new Weighted performance1212.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1273.7
Projected effective change (new Official - current Official)+5.7
Projected new highest rating1273.7
Projected new floor773.7
Projected new K-facor36
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
Curent Raw rating1213.6
Curent Weighted rating1182.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1213.6
Current floor (min rating allowed)713.6
Current highest rating achieved1213.6
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)±162.6
Current Raw change used (final)0.0
Projected new Raw rating1213.6
Projected new Weighed rating1184.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1213.6
Projected new floor713.6
Projected new K-facor36
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
Curent Raw rating1277.2
Curent Weighted rating1248.0
Curent Weighted performance1226.4
Current official/published rating (highest between Raw, WR and WP)1277.2
Current floor (min rating allowed)785.4
Current highest rating achieved1285.4
Current K-factor36
Games played this month11
Score (S)6.0
Expected score (We)5.88
Difference (S-We)0.12
Current Raw change (no limits, including tournament time weight)4.3
Current min/max change allowed (with limits)±148.5
Current Raw change used (final)4.3
Projected new Raw rating1281.5
Projected new Weighed rating1251.8
Projected new Weighted performance1226.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1281.5
Projected effective change (new Official - current Official)+4.3
Projected new highest rating1285.4
Projected new floor785.4
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)785.4
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor785.4
Projected new K-facor36
Tournaments
Tournament: Steinitz Chess Festival 2024 (U14)
Start: 2024/05/11  End: 2024/05/11  Host: WCT  Type: Rapid   Time: 20  Time weight: 0.47  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1268.0  Rating gain/loss: -13.2
Type rating: 1277.2  Rating gain/loss: -31.0
Analysis
Tournament: Cape Town Junior League - Qualifier 2 2024 (U13)
Start: 2024/04/20  End: 2024/04/20  Host: WCT  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 6
Games: 6  Score: 4.0
Main rating: 1268.0  Rating gain/loss: 18.9
Type rating: 1277.2  Rating gain/loss: 35.3
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.0 1268.0 1277.2 Analysis
4 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1268.0 1277.2 Analysis
3 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1251.7 1238.0 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 1219.4 1237.3 Analysis
1 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1219.4 1162.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.0 1268.0 1277.2 Analysis
14 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1268.0 1277.2 Analysis
13 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1251.7 1238.0 Analysis
12 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 1219.4 1237.3 Analysis
11 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1219.4 1162.4 Analysis
10 Kraaifontein Open 2023 (Intermediate) 2023/12/09 2023/12/10 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1236.9 1170.4 Analysis
9 Chas Everitt and MHI Attorneys Rapid 2023 (U12) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 25 0.54 6 6 2.5 1255.8 1281.9 Analysis
8 Western Cape Closed Championship 2023 (U12) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1233.8 1261.0 Analysis
7 CT Metro District North Top Schools Chess 2023 (U11 Mixed) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 5 4 2.0 1234.4 1277.1 Analysis
6 Curro Durbanville Chess Open Rapid 2023 (U12) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 5 2.0 1234.4 1277.1 Analysis
5 GPCA Rapid 2023 (U12) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 4.0 1230.7 1285.4 Analysis
4 Steinitz Open 2023 (U12) 2023/05/27 2023/05/27 Cape Town (WCT) Rapid 20 0.47 5 5 4.0 1198.4 1225.6 Analysis
3 Cape Town Open 2023 (U12) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 6 3.5 1172.0 1200.0 Analysis
2 Laerskool Welgemoed Rapid 2023 (U12) 2023/02/11 2023/02/11 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1200.0 1200.0 Analysis
1 North District School Trials 2023 (U11 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 28 14 2 12 15.0 53.6 30.4 1280.9 1311.3
White 14 6 2 6 7.0 50.0 0.0 1299.7 1299.7
Black 14 8 0 6 8.0 57.1 60.7 1262.2 1322.9
Standard All 5 3 0 2 3.0 60.0 85.0 1285.5 1370.5
White 2 2 0 0 2.0 100.0 425.0 1188.7 1613.7
Black 3 1 0 2 1.0 33.3 -141.7 1350.1 1208.4
Rapid All 23 11 2 10 12.0 52.2 18.5 1279.9 1298.4
White 12 4 2 6 5.0 41.7 -70.8 1318.2 1247.4
Black 11 7 0 4 7.0 63.6 115.9 1238.2 1354.1
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 85 41 4 40 43.0 50.6 5.0 1263.6 1268.6
White 43 18 4 21 20.0 46.5 -29.7 1262.3 1232.6
Black 42 23 0 19 23.0 54.8 40.5 1265.0 1305.5
Standard All 17 7 0 10 7.0 41.2 -75.0 1273.6 1198.6
White 8 4 0 4 4.0 50.0 0.0 1266.9 1266.9
Black 9 3 0 6 3.0 33.3 -141.7 1279.5 1137.8
Rapid All 68 34 4 30 36.0 52.9 25.0 1261.1 1286.1
White 35 14 4 17 16.0 45.7 -36.4 1261.2 1224.8
Black 33 20 0 13 20.0 60.6 90.2 1261.0 1351.2
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 1120137368 Sher, J (Jonah) 3 0.5 0 1 2 16.7 1190.1 -283.3 906.8 View list
2 1130143658 Du Preez, Z (Zolani) 2 2.0 2 0 0 100.0 1251.2 425.0 1676.2 View list
3 1130135090 Mputing, T (Thando) 2 2.0 2 0 0 100.0 1195.7 425.0 1620.7 View list
4 1120157081 Serfontein, C (Carlu) 2 2.0 2 0 0 100.0 1233.2 425.0 1658.2 View list
5 2120138439 Du Preez, A (Alet) 2 1.0 1 0 1 50.0 1232.6 0.0 1232.6 View list
6 1130147719 Michaelides, A (Alexander) 2 1.0 1 0 1 50.0 1253.8 0.0 1253.8 View list
7 1120150462 Wang, Z (Zi Ang) 2 1.0 1 0 1 50.0 1215.3 0.0 1215.3 View list
8 2120114045 Wilson, EM (Emlyn) 2 1.0 1 0 1 50.0 1235.7 0.0 1235.7 View list
9 1130132165 Calitz, S (Steyn) 2 0.0 0 0 2 0.0 1215.3 -425.0 790.3 View list
10 1120147432 Damane, L (Lukhanyo) 2 0.0 0 0 2 0.0 1268.0 -425.0 843.0 View list
11 1130137335 Nel, C (Charles Paul) 2 0.0 0 0 2 0.0 1203.2 -425.0 778.2 View list
12 1120132089 Russell, C (Christopher) 2 0.0 0 0 2 0.0 1217.2 -425.0 792.2 View list
13 1120150098 Arendse, V (Virgil) 1 1.0 1 0 0 100.0 1251.7 425.0 1676.7 View list
14 1140159017 Blankenberg, L (Logan) 1 1.0 1 0 0 100.0 1234.4 425.0 1659.4 View list
15 2120150389 Bester, C (Cady Erin Lamar) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1120159021 Cupido, T (Tatum) 1 1.0 1 0 0 100.0 1234.4 425.0 1659.4 View list
17 1130109827 Diedericks, M (Michael) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1120157953 Emersleben, C (Caleb Jesse) 1 1.0 1 0 0 100.0 1230.7 425.0 1655.7 View list
19 1130162379 Davids, S (Sabry) 1 1.0 1 0 0 100.0 1233.8 425.0 1658.8 View list
20 1120193277 Flowers, Z (Zac) 1 1.0 1 0 0 100.0 1219.4 425.0 1644.4 View list