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: 2024/10/19 (52 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 rating1256.8
Current Weighted rating1242.4
Current Weighted performance1183.6
Current official/published rating (highest between Raw, WR and WP)1256.8
Current highest rating achieved1268.0
Current floor (min rating allowed)768.0
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)±152.9
Current Raw change used (final)0.0
Projected new Raw rating1256.8
Projected new Weighed rating1143.7
Projected new Weighted performance1183.6
Projected new final Raw rating (if new WP > new Raw)1256.8
Projected new highest rating1268.0
Projected new floor768.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1256.8
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 rating1215.1
Current Weighted rating1197.1
Current Weighted performance1132.6
Current official/published rating (highest between Raw, WR and WP)1215.1
Current highest rating achieved1215.1
Current floor (min rating allowed)715.1
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)±162.3
Current Raw change used (final)0.0
Projected new Raw rating1215.1
Projected new Weighed rating1102.0
Projected new Weighted performance1132.6
Projected new final Raw rating (if new WP > new Raw)1215.1
Projected new highest rating1215.1
Projected new floor715.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1215.1
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 rating1255.6
Current Weighted rating1248.9
Current Weighted performance1196.6
Current official/published rating (highest between Raw, WR and WP)1255.6
Current highest rating achieved1285.4
Current floor (min rating allowed)785.4
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)±153.2
Current Raw change used (final)0.0
Projected new Raw rating1255.6
Projected new Weighed rating1149.1
Projected new Weighted performance1196.6
Projected new final Raw rating (if new WP > new Raw)1255.6
Projected new highest rating1285.4
Projected new floor785.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1255.6
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 rating1183.4
Current Weighted rating1195.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.0
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)±169.8
Current Raw change used (final)0.0
Projected new Raw rating1183.4
Projected new Weighed rating1099.2
Projected new Weighted performance389.2
Projected new final Raw rating (if new WP > new Raw)1183.4
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)1183.4
Projected effective change (new Official - current Official)-11.6
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 Laerskool Welgemoed Rapid 2024 (U14) 2024/10/19 2024/10/19 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1267.1 1281.5 Analysis
11 CBC Rapid Chess Tournament 2024 (U12) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 4.5 1224.8 1212.7 Analysis
10 2nd Young Minds Classic 2024 (Intermediate) 2024/08/10 2024/08/11 Cape Town (WCT) Standard 90 0.94 5 5 1.5 1221.4 1206.8 Analysis
9 2nd Young Minds Classic 2024 (Blitz) 2024/08/09 2024/08/09 Cape Town (WCT) Blitz 5 0.18 7 7 3.0 1221.4 1200.0 Analysis
8 Curro Durbanville Chess Rapid Open 2024 (Intermediate) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1237.6 1232.9 Analysis
7 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.5 1247.6 1213.6 Analysis
6 Cape Town Junior League Finals 2024 (U13 Open B) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1268.0 1277.2 Analysis
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
22 Laerskool Welgemoed Rapid 2024 (U14) 2024/10/19 2024/10/19 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1267.1 1281.5 Analysis
21 CBC Rapid Chess Tournament 2024 (U12) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 4.5 1224.8 1212.7 Analysis
20 2nd Young Minds Classic 2024 (Intermediate) 2024/08/10 2024/08/11 Cape Town (WCT) Standard 90 0.94 5 5 1.5 1221.4 1206.8 Analysis
19 2nd Young Minds Classic 2024 (Blitz) 2024/08/09 2024/08/09 Cape Town (WCT) Blitz 5 0.18 7 7 3.0 1221.4 1200.0 Analysis
18 Curro Durbanville Chess Rapid Open 2024 (Intermediate) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1237.6 1232.9 Analysis
17 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.5 1247.6 1213.6 Analysis
16 Cape Town Junior League Finals 2024 (U13 Open B) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1268.0 1277.2 Analysis
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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 70 30 5 35 32.5 46.4 -30.4 1288.7 1258.3
White 33 16 3 14 17.5 53.0 25.8 1285.8 1311.5
Black 37 14 2 21 15.0 40.5 -80.4 1291.3 1210.9
Standard All 16 6 2 8 7.0 43.8 -53.1 1318.8 1265.6
White 7 5 1 1 5.5 78.6 242.9 1233.9 1476.8
Black 9 1 1 7 1.5 16.7 -283.3 1384.8 1101.4
Rapid All 47 21 3 23 22.5 47.9 -18.1 1279.8 1261.7
White 23 9 2 12 10.0 43.5 -55.4 1288.4 1233.0
Black 24 12 1 11 12.5 52.1 17.7 1271.5 1289.2
Blitz All 7 3 0 4 3.0 42.9 -60.7 1279.8 1219.1
White 3 2 0 1 2.0 66.7 141.7 1386.1 1527.8
Black 4 1 0 3 1.0 25.0 -212.5 1200.0 987.5
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 127 57 7 63 60.5 47.6 -20.1 1273.6 1253.5
White 62 28 5 29 30.5 49.2 -6.9 1266.3 1259.5
Black 65 29 2 34 30.0 46.2 -32.7 1280.6 1247.9
Standard All 28 10 2 16 11.0 39.3 -91.1 1297.3 1206.2
White 13 7 1 5 7.5 57.7 65.4 1261.2 1326.6
Black 15 3 1 11 3.5 23.3 -226.7 1328.5 1101.9
Rapid All 92 44 5 43 46.5 50.5 4.6 1266.0 1270.6
White 46 19 4 23 21.0 45.7 -37.0 1260.0 1223.0
Black 46 25 1 20 25.5 55.4 46.2 1272.0 1318.2
Blitz All 7 3 0 4 3.0 42.9 -60.7 1279.8 1219.1
White 3 2 0 1 2.0 66.7 141.7 1386.1 1527.8
Black 4 1 0 3 1.0 25.0 -212.5 1200.0 987.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120137368 Sher, J (Jonah) 5 0.5 0 1 4 10.0 1217.0 -340.0 877.0 View list
2 2120114045 Wilson, EM (Emlyn) 4 1.0 1 0 3 25.0 1235.1 -212.5 1022.6 View list
3 1120147432 Damane, L (Lukhanyo) 3 0.5 0 1 2 16.7 1261.2 -283.3 977.9 View list
4 1130143658 Du Preez, Z (Zolani) 2 2.0 2 0 0 100.0 1251.2 425.0 1676.2 View list
5 1130135090 Mputing, T (Thando) 2 2.0 2 0 0 100.0 1195.7 425.0 1620.7 View list
6 2090309936 Mutswiri, M (Mufarowashe) 2 2.0 2 0 0 100.0 1221.4 425.0 1646.4 View list
7 1120157081 Serfontein, C (Carlu) 2 2.0 2 0 0 100.0 1233.2 425.0 1658.2 View list
8 2120138439 Du Preez, A (Alet) 2 1.0 1 0 1 50.0 1232.6 0.0 1232.6 View list
9 1130147719 Michaelides, A (Alexander) 2 1.0 1 0 1 50.0 1253.8 0.0 1253.8 View list
10 1130135095 Van Wyk, D (Dimitri) 2 1.0 1 0 1 50.0 1218.0 0.0 1218.0 View list
11 1120150462 Wang, Z (Zi Ang) 2 1.0 1 0 1 50.0 1215.3 0.0 1215.3 View list
12 1130132165 Calitz, S (Steyn) 2 0.0 0 0 2 0.0 1215.3 -425.0 790.3 View list
13 1120132064 Fourie, R (Ruan) 2 0.0 0 0 2 0.0 1259.4 -425.0 834.4 View list
14 1120110807 Minnaar, A (Adriaan) 2 0.0 0 0 2 0.0 1250.9 -425.0 825.9 View list
15 1130137335 Nel, C (Charles Paul) 2 0.0 0 0 2 0.0 1203.2 -425.0 778.2 View list
16 1120132089 Russell, C (Christopher) 2 0.0 0 0 2 0.0 1217.2 -425.0 792.2 View list
17 1120134372 Weideman, J (Janko) 2 0.0 0 0 2 0.0 1244.3 -425.0 819.3 View list
18 1130162379 Davids, S (Sabry) 1 1.0 1 0 0 100.0 1233.8 425.0 1658.8 View list
19 2100309927 Chifamba, A (Anashe) 1 1.0 1 0 0 100.0 1221.4 425.0 1646.4 View list
20 1120159021 Cupido, T (Tatum) 1 1.0 1 0 0 100.0 1234.4 425.0 1659.4 View list