Chess South Africa
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Chess South Africa
Zheng, Y (Yi)
Dob:
2011/07/19 (U14)
Gender:
Male
Chess SA id:
1110140745
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/05/18 (3 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
1373.0
Curent Weighted rating
1288.3
Curent Weighted performance
1375.8
Current official/published rating (highest between Raw, WR and WP)
1373.0
Current floor (min rating allowed)
873.0
Current highest rating achieved
1373.0
Current K-factor
36
Games played this month
15
Score (S)
11.0
Expected score (We)
8.59
Difference (S-We)
2.41
Current Raw change (no limits, including tournament time weight)
48.5
Current min/max change allowed (with limits)
±129.6
Current Raw change used (final)
48.5
Projected new Raw rating
1421.5
Projected new Weighed rating
1300.0
Projected new Weighted performance
1375.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1421.5
Projected effective change (new Official - current Official)
+48.5
Projected new highest rating
1421.5
Projected new floor
921.5
Projected new K-facor
32
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
1368.6
Curent Weighted rating
1250.4
Curent Weighted performance
1331.9
Current official/published rating (highest between Raw, WR and WP)
1368.6
Current floor (min rating allowed)
868.6
Current highest rating achieved
1368.6
Current K-factor
36
Games played this month
6
Score (S)
3.0
Expected score (We)
3.03
Difference (S-We)
-0.03
Current Raw change (no limits, including tournament time weight)
-1.1
Current min/max change allowed (with limits)
±130.4
Current Raw change used (final)
-1.1
Projected new Raw rating
1367.5
Projected new Weighed rating
1261.5
Projected new Weighted performance
1331.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1367.5
Projected effective change (new Official - current Official)
-1.1
Projected new highest rating
1368.6
Projected new floor
868.6
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
1264.1
Curent Weighted rating
1287.4
Curent Weighted performance
1155.7
Current official/published rating (highest between Raw, WR and WP)
1287.4
Current floor (min rating allowed)
915.1
Current highest rating achieved
1415.1
Current K-factor
32
Games played this month
9
Score (S)
8.0
Expected score (We)
4.73
Difference (S-We)
3.27
Current Raw change (no limits, including tournament time weight)
104.6
Current min/max change allowed (with limits)
±151.3
Current Raw change used (final)
104.6
Projected new Raw rating
1368.7
Projected new Weighed rating
1293.5
Projected new Weighted performance
1155.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1368.7
Projected effective change (new Official - current Official)
+81.4
Projected new highest rating
1415.1
Projected new floor
915.1
Projected new K-facor
32
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)
915.1
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
915.1
Projected new K-facor
36
Tournaments
History
Tournament:
Cape Town Junior League Finals 2024 (U13 Open A)
Start:
2024/05/18
End:
2024/05/18
Host:
WCT
Type:
Rapid
Time:
25
Time weight:
0.54
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1373.0
Rating gain/loss:
13.6
Type rating:
1264.1
Rating gain/loss:
42.2
Analysis
Tournament:
Western Cape PS Individuals Championship 2024 (U13 Boys)
Start:
2024/05/04
End:
2024/05/05
Host:
WCU
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
3.0
Main rating:
1373.0
Rating gain/loss:
4.8
Type rating:
1368.6
Rating gain/loss:
-1.1
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:
4
Games:
4
Score:
4.0
Main rating:
1373.0
Rating gain/loss:
30.1
Type rating:
1264.1
Rating gain/loss:
62.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Cape Town Junior League Finals 2024 (U13 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
4.0
1373.0
1264.1
Analysis
5
Western Cape PS Individuals Championship 2024 (U13 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1373.0
1368.6
Analysis
4
Cape Town Junior League - Qualifier 2 2024 (U13)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
4
4.0
1373.0
1264.1
Analysis
3
Cape Town Junior League Qualifier 2024 (U13 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1355.3
1206.8
Analysis
2
Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1275.2
1286.9
Analysis
1
CT District East Schools Chess Individuals Trails 2024 (U13 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1227.7
1237.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
18
Cape Town Junior League Finals 2024 (U13 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
4.0
1373.0
1264.1
Analysis
17
Western Cape PS Individuals Championship 2024 (U13 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1373.0
1368.6
Analysis
16
Cape Town Junior League - Qualifier 2 2024 (U13)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
4
4.0
1373.0
1264.1
Analysis
15
Cape Town Junior League Qualifier 2024 (U13 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1355.3
1206.8
Analysis
14
Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1275.2
1286.9
Analysis
13
CT District East Schools Chess Individuals Trails 2024 (U13 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1227.7
1237.6
Analysis
12
Kraaifontein Open 2023 (Open)
2023/12/10
2023/12/10
Cape Town (WCT)
Rapid
30
0.60
6
5
1.0
1306.8
1342.2
Analysis
11
Kraaifontein Open 2023 (U14)
2023/12/09
2023/12/09
Cape Town (WCT)
Rapid
30
0.60
6
6
0.0
1306.8
1342.2
Analysis
10
Western Cape Closed Championship 2023 (U14)
2023/09/23
2023/09/23
Cape Town (WCT)
Rapid
25
0.54
6
6
2.5
1314.4
1373.2
Analysis
9
Curro Durbanville Chess Open Rapid 2023 (U14)
2023/07/15
2023/07/15
Cape Town (WCT)
Rapid
35
0.66
6
6
3.0
1332.0
1415.1
Analysis
8
WP Closed 2023 (U14)
2023/06/16
2023/06/17
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1320.1
1193.6
Analysis
7
Rhenish Primary Tournament 2023 (U14)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Rapid
30
0.60
6
5
4.5
1283.6
1351.4
Analysis
6
Cape Town Open 2023 (U14)
2023/03/25
2023/03/25
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1241.2
1279.4
Analysis
5
District East Schools Chess Individual Trials 2023 (U13 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1245.1
1187.6
Analysis
4
Kraaifontein Open 2022 (Intermediate)
2022/12/17
2022/12/18
Cape Town (WCT)
Standard
70
0.87
6
5
1.5
1232.5
1200.0
Analysis
3
Kraaifontein Rapid Open 2022 (U12)
2022/12/16
2022/12/16
Cape Town (WCT)
Rapid
30
0.60
6
5
3.0
1232.5
1253.8
Analysis
2
Metro Rapid 2022 (U11 Boys)
2022/10/22
2022/10/22
Cape Town (WCT)
Rapid
30
0.60
5
4
2.0
1236.2
1262.4
Analysis
1
Rhenish Primary Tournament 2022 (U12)
2022/05/14
2022/05/14
Cape Winelands (WCW)
Rapid
30
0.60
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
32
24
2
6
25.0
78.1
239.1
1295.6
1534.7
White
18
15
2
1
16.0
88.9
330.6
1281.0
1611.6
Black
14
9
0
5
9.0
64.3
121.4
1314.4
1435.8
Standard
All
17
11
2
4
12.0
70.6
175.0
1341.0
1516.0
White
8
6
2
0
7.0
87.5
318.8
1315.0
1633.7
Black
9
5
0
4
5.0
55.6
47.2
1364.2
1411.4
Rapid
All
15
13
0
2
13.0
86.7
311.7
1244.2
1555.8
White
10
9
0
1
9.0
90.0
340.0
1253.9
1593.9
Black
5
4
0
1
4.0
80.0
255.0
1224.7
1479.7
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
97
54
7
36
57.5
59.3
78.9
1292.3
1371.1
White
50
33
4
13
35.0
70.0
170.0
1276.3
1446.3
Black
47
21
3
23
22.5
47.9
-18.1
1309.2
1291.1
Standard
All
34
18
3
13
19.5
57.4
62.5
1326.9
1389.4
White
15
10
2
3
11.0
73.3
198.3
1309.9
1508.2
Black
19
8
1
10
8.5
44.7
-44.7
1340.4
1295.6
Rapid
All
63
36
4
23
38.0
60.3
87.7
1273.6
1361.3
White
35
23
2
10
24.0
68.6
157.9
1261.9
1419.8
Black
28
13
2
13
14.0
50.0
0.0
1288.1
1288.1
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120140113
Guo, A (Aleks)
4
1.0
1
0
3
25.0
1278.3
-212.5
1065.8
View list
2
1110137370
Spence, B (Brian)
3
2.0
2
0
1
66.7
1276.3
141.7
1418.0
View list
3
1130193355
Chilumba, C (Cornelius)
2
2.0
2
0
0
100.0
1364.2
425.0
1789.2
View list
4
1110152912
Dainton, M (Michael)
2
2.0
2
0
0
100.0
1277.8
425.0
1702.8
View list
5
1110146858
Adolf, F (Feraydo)
2
2.0
2
0
0
100.0
1309.0
425.0
1734.0
View list
6
2110138783
Sedick, S (Shafeeqa)
2
2.0
2
0
0
100.0
1266.0
425.0
1691.0
View list
7
1110148238
Tshenolo, T (Tsamai)
2
2.0
2
0
0
100.0
1232.5
425.0
1657.5
View list
8
1120118992
Van Zyl, F (Frede)
2
2.0
2
0
0
100.0
1213.8
425.0
1638.8
View list
9
1110108081
Muller, H (Helgard)
2
1.0
1
0
1
50.0
1280.7
0.0
1280.7
View list
10
1120137368
Sher, J (Jonah)
2
1.0
1
0
1
50.0
1255.7
0.0
1255.7
View list
11
1110138740
Amoraal, B (Benyamin)
1
1.0
1
0
0
100.0
1227.7
425.0
1652.7
View list
12
1120147430
Booysen, O (Okuhle)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
13
1110113415
Devanunthan, N (Nivash)
1
1.0
1
0
0
100.0
1320.1
425.0
1745.1
View list
14
1100141156
De Wet, C (Christo)
1
1.0
1
0
0
100.0
1241.2
425.0
1666.2
View list
15
1110140725
Davis, J (Joshua)
1
1.0
1
0
0
100.0
1283.6
425.0
1708.6
View list
16
1110193372
Greyling, L (Laurens)
1
1.0
1
0
0
100.0
1227.7
425.0
1652.7
View list
17
1120140728
Fourie, J (James)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
1100150154
Hagan, T (Tristin)
1
1.0
1
0
0
100.0
1245.1
425.0
1670.1
View list
19
1110150156
Hartzenberg, E (Elijah)
1
1.0
1
0
0
100.0
1245.1
425.0
1670.1
View list
20
1110150427
House, J (Josh)
1
1.0
1
0
0
100.0
1355.3
425.0
1780.3
View list