Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1268.0
Curent Weighted rating
1231.7
Curent Weighted performance
1212.2
Current official/published rating (highest between Raw, WR and WP)
1268.0
Current floor (min rating allowed)
768.0
Current highest rating achieved
1268.0
Current K-factor
36
Games played this month
11
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 rating
1273.7
Projected new Weighed rating
1236.0
Projected new Weighted performance
1212.2
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 rating
1273.7
Projected new floor
773.7
Projected new K-facor
36
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 rating
1213.6
Curent Weighted rating
1182.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1213.6
Current floor (min rating allowed)
713.6
Current highest rating achieved
1213.6
Current K-factor
36
Games played this month
0
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 rating
1213.6
Projected new Weighed rating
1184.6
Projected new Weighted performance
0.0
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 rating
1213.6
Projected new floor
713.6
Projected new K-facor
36
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 rating
1277.2
Curent Weighted rating
1248.0
Curent Weighted performance
1226.4
Current official/published rating (highest between Raw, WR and WP)
1277.2
Current floor (min rating allowed)
785.4
Current highest rating achieved
1285.4
Current K-factor
36
Games played this month
11
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 rating
1281.5
Projected new Weighed rating
1251.8
Projected new Weighted performance
1226.4
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 rating
1285.4
Projected new floor
785.4
Projected new K-facor
36
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 rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
785.4
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
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 rating
1200.0
Projected new floor
785.4
Projected new K-facor
36
Tournaments
History
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
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
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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