PLAYER PAGE

Personal

Zheng, Y (Yi)

Chess SA id

1110140745

FIDE id

?

Date of birth

2011-07-19 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-10-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1370.7 1359.9 1365 1200
Raw rating 1325.2 1307.6 1365 1200
Weighted rating 1370.7 1359.9 1361.5 1200
Weighted performance 1158.9 1145.3 1136.5 0
Floor 930.7 922.1 932 700
K-factor 32 32 32 36
Min/Max rating change allowed 138.7 142.3 131.1 165.8
Highest rating 1520.3
2024-04-01
1422.1
2025-01-01
1464.9
2022-05-01
1200
2018-10-01
Highest raw rating 1430.7
2025-01-01
1422.1
2025-01-01
1432
2024-06-01
1200
2024-02-01
Highest weighted rating 1430.7
2025-03-01
1371.5
2025-09-30
1348.2
2025-08-01
1200
2018-10-01
Highest weighted performance 1520.3
2024-04-01
1418
2025-01-01
1464.9
2022-05-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -2.7 -3.2 0 0
New rating 1368 1356.8 1365 1200
Analysis
Rating 1370.7 1359.9 1365 1200
Raw rating 1325.2 1307.6 1365 1200
Weighted rating 1370.7 1359.9 1361.5
Weighted performance 1158.9 1145.3 1136.5
K-factor 32 32 32 36
Floor 930.7 922.1 932 700
Max/Min rating change allowed 138.7 142.3 131.1 165.8
Games 5 5 0 0
Score 3 3 0 0
Expected score 2.67 2.55 0 0
Score-Expected 0.33 0.45 0 0
Temp raw +/- 10.6 14.4 0 0
Final raw +/- 10.6 14.4 0 0
New raw rating 1335.9 1322 1365 1200
New weighted rating 1368 1356.8 1363.2 1200
New weighted performance 1243.6 1228 1127.8 0
Temp new rating 1368 1356.8 1365 1200
Temp new rating +/- -2.7 -3.2 0 0
Final new rating +/- -2.7 -3.2 0 0
New rating 1368 1356.8 1365 1200
New K-factor 32 32 32 36
New floor 930.7 922.1 932 700

Item Main Standard Rapid Blitz
0 0 0 0
53 47 6 0
69 42 27 0
46 12 34 0
19 5 14 0
0 0 0 0
History 187 106 81 0

Games since
Main
133
Standard
89
Rapid
44
Blitz
0
Gender Male
Age group U16
Region Cape Winelands (WCW)
Province Western Cape (WC)
Main
RSA Province Region
Overall 2465 773 111
Male 1991 599 83
U16 387 131 24
U16 Male 291 94 18
Standard
RSA Province Region
Overall 2489 702 103
Male 2003 535 75
U16 392 123 23
U16 Male 296 88 17
Rapid
RSA Province Region
Overall 696 361 53
Male 582 303 40
U16 100 54 11
U16 Male 78 43 9
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 53 26.5 50 0 1305.3 1305.3
Standard 47 22.5 47.87 -18.1 1316.7 1298.6
Rapid 6 4 66.67 141.7 1216.1 1357.8
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 187 104.5 55.88 50 1307.9 1357.9
Standard 106 58 54.72 40.1 1326.7 1366.8
Rapid 81 46.5 57.41 63 1283.4 1346.3
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1325.2 1307.6 1365 1200
2025-11-30 1325.2 1307.6 1365 1200
2025-11-01 1325.2 1307.6 1365 1200
2025-09-30 1382.9 1373.8 1365 1200
2025-09-01 1363.5 1353 1365 1200
2025-08-01 1376.6 1368.2 1365 1200
2025-07-01 1373.7 1364.4 1363.4 1200
2025-06-01 1382.7 1373.8 1363.4 1200
2025-05-01 1382.7 1373.8 1363.4 1200
2025-04-01 1365.3 1353 1363.4 1200
2025-03-01 1394.5 1379.2 1363.4 1200
2025-02-01 1393.9 1378.2 1363.4 1200
2025-01-01 1430.7 1422.1 1363.4 1200
2024-12-01 1391.4 1381.8 1363.4 1200
2024-11-01 1391.4 1381.8 1363.4 1200
2024-10-01 1376.8 1377 1363.4 1200
2024-09-01 1405.5 1416.4 1363.4 1200
2024-11-01 1405.5 1416.4 1363.4 1200
2024-07-01 1422.1 1411 1402.1 1200
2024-06-01 1421.5 1370.7 1432 1200
2024-05-01 1373 1368.6 1264.1 1200
2024-04-01 1355.3 1368.6 1206.8 1200
2024-03-01 1275.2 1286.9 1206.8 1200
2024-02-01 1227.7 1237.6 1206.8 1200

Comming soon.

Tournaments

# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Helderberg Chess Club Open 2026 (B) 2026-01-17 2026-01-17 Standard Cape Town (WCT) 5 5 3 Yes Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Helderberg Chess Club Open 2026 (B) 2026-01-17 2026-01-17 Standard Cape Town (WCT) 5 5 3 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Helderberg Chess Club Open 2026 (B) 2026-01-17 2026-01-17 Standard Cape Town (WCT) 5 5 3 Yes Analysis
2 UCT Open Chess Championship 2025 (Intermediate) 2025-10-11 2025-10-12 Standard Cape Town (WCT) 6 6 2 Yes Analysis
3 Western Cape Schools - Top Schools 2025 (U15) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 3 2 Yes Analysis
4 CT Metro District East Top Schools Chess 2025 (U15) 2025-08-02 2025-08-03 Standard Cape Town (WCT) 5 2 1 Yes Analysis
5 4th Curro Durbanville Rapid Open 2025 (Intermediate) 2025-07-19 2025-07-19 Rapid Cape Town (WCT) 7 6 4 Yes Analysis
6 Helderberg Chess Club Open 2025 (B) 2025-06-07 2025-06-08 Standard Cape Town (WCT) 6 6 2.5 Yes Analysis
7 Western Cape Schools Individual Championship 2025 (U15 Boys) 2025-04-26 2025-04-27 Standard West Coast (WCU) 6 6 3 Yes Analysis
8 Cape Town Open Chess Festival 2025 (C) 2025-03-22 2025-03-23 Standard Cape Town (WCT) 6 6 2.5 Yes Analysis
9 CT Metro Schools Individual Closed 2025 (U15 Open) 2025-03-01 2025-03-02 Standard Cape Town (WCT) 6 6 3.5 Yes Analysis
10 CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) 2025-02-01 2025-02-02 Standard Cape Town (WCT) 6 6 4 Yes Analysis
11 2025 Kraaifontein Open Chess Championships (Advanced) 2025-01-04 2025-01-05 Standard Cape Town (WCT) 6 6 2 Yes Analysis
12 2nd Strategize To Win Round-Robin Tournament ACL 2024 (E) 2024-12-07 2024-12-07 Standard Cape Town (WCT) 5 5 4 Yes Analysis
13 Grant East Annual Primary School Invitational Chess Tournament 2024 (U13) 2024-10-05 2024-10-05 Standard Cape Town (WCT) 5 5 3 Yes Analysis
14 Chess Elevation Series -September 2024 (Open) 2024-09-20 2024-09-21 Standard Cape Town (WCT) 5 4 1.5 Yes Analysis
15 Curro Durbanville Chess Rapid Open 2024 (Intermediate) 2024-07-13 2024-07-13 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
16 Chess Elevation Series - July 2024 (Level 3) 2024-07-05 2024-07-06 Standard Cape Town (WCT) 5 5 3.5 Yes Analysis
17 Rylib Winter Slam 2024 (Championship) 2024-06-19 2024-06-19 Rapid Cape Town (WCT) 6 6 1.5 Yes Analysis
18 4th BC Trials 2024 (U10B) 2024-06-08 2024-06-08 Standard Buffalo City (EBC) 5 0 0 No Analysis
19 Cape Town Chess Federation Closed Chess Championships 2024 (U14) 2024-06-15 2024-06-16 Standard Cape Town (WCT) 6 6 4 Yes Analysis
20 Cape Town Junior League Finals 2024 (U13 Open A) 2024-05-18 2024-05-18 Rapid Cape Town (WCT) 5 5 4 Yes Analysis
21 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024-05-04 2024-05-05 Standard West Coast (WCU) 6 6 3 Yes Analysis
22 Cape Town Junior League - Qualifier 2 2024 (U13) 2024-04-20 2024-04-20 Rapid Cape Town (WCT) 6 4 4 Yes Analysis
23 Cape Town Junior League Qualifier 2024 (U13 Open) 2024-04-06 2024-04-06 Rapid Cape Town (WCT) 6 6 5 Yes Analysis
24 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024-03-02 2024-03-03 Standard Cape Town (WCT) 6 6 5 Yes Analysis
25 CT District East Schools Chess Individuals Trails 2024 (U13 Boys) 2024-02-03 2024-02-03 Standard Cape Town (WCT) 5 5 4 Yes Analysis
26 Kraaifontein Open 2023 (Open) 2023-12-10 2023-12-10 Rapid Cape Town (WCT) 6 5 1 Yes Analysis
27 Kraaifontein Open 2023 (U14) 2023-12-09 2023-12-09 Rapid Cape Town (WCT) 6 6 0 Yes Analysis
28 Western Cape Closed Championship 2023 (U14) 2023-09-23 2023-09-23 Rapid Cape Town (WCT) 6 6 2.5 Yes Analysis
29 Curro Durbanville Chess Open Rapid 2023 (U14) 2023-07-15 2023-07-15 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
30 WP Closed 2023 (U14) 2023-06-16 2023-06-17 Standard Cape Town (WCT) 6 6 3 Yes Analysis
31 Rhenish Primary Tournament 2023 (U14) 2023-05-13 2023-05-13 Rapid Cape Winelands (WCW) 6 5 4.5 Yes Analysis
32 Cape Town Open 2023 (U14) 2023-03-25 2023-03-25 Rapid Cape Town (WCT) 6 6 5 Yes Analysis
33 District East Schools Chess Individual Trials 2023 (U13 Boys) 2023-02-03 2023-02-04 Standard Cape Town (WCT) 6 6 3 Yes Analysis
34 Kraaifontein Open 2022 (Intermediate) 2022-12-17 2022-12-18 Standard Cape Town (WCT) 6 5 1.5 Yes Analysis
35 Kraaifontein Rapid Open 2022 (U12) 2022-12-16 2022-12-16 Rapid Cape Town (WCT) 6 5 3 Yes Analysis
36 Metro Rapid 2022 (U11 Boys) 2022-10-22 2022-10-22 Rapid Cape Town (WCT) 5 4 2 Yes Analysis
37 Rhenish Primary Tournament 2022 (U12) 2022-05-14 2022-05-14 Rapid Cape Winelands (WCW) 5 5 4 Yes Analysis

Top 3 Streaks

# Games Start End
1 14 Tournament
CT District East Schools Chess Individuals Trails 2024
Tournament
Cape Town Junior League Qualifier 2024
date
2024-02-03
rnd
2
type
Standard
result
1
date
2024-04-06
rnd
4
type
Rapid
result
1
Opponent
Greyling, L (Laurens)
Opponent
Nyokana, I (Imange)
2 9 Tournament
Cape Town Open 2023
Tournament
WP Closed 2023
date
2023-03-25
rnd
4
type
Rapid
result
1
date
2023-06-16
rnd
1
type
Standard
result
1
Opponent
Sobada, A (Anelisa)
Opponent
Devanunthan, N (Nivash)
3 6 Tournament
Cape Town Junior League Qualifier 2024
Tournament
Western Cape PS Individuals Championship 2024
date
2024-04-06
rnd
6
type
Rapid
result
1
date
2024-05-04
rnd
1
type
Standard
result
1
Opponent
House, J (Josh)
Opponent
Louw, E (E-Jay)
# Games Start End
1 11 Tournament
CT District East Schools Chess Individuals Trails 2024
Tournament
Western Cape PS Individuals Championship 2024
date
2024-02-03
rnd
2
type
Standard
result
1
date
2024-05-04
rnd
1
type
Standard
result
1
Opponent
Greyling, L (Laurens)
Opponent
Louw, E (E-Jay)
2 5 Tournament
2nd Strategize To Win Round-Robin Tournament ACL 2024
Tournament
2nd Strategize To Win Round-Robin Tournament ACL 2024
date
2024-12-07
rnd
1
type
Standard
result
0.5
date
2024-12-07
rnd
5
type
Standard
result
1
Opponent
Wiggill, H (Handre)
Opponent
Ramonyaluoe, M (Madalitso)
3 5 Tournament
Cape Town Chess Federation Closed Chess Championships 2024
Tournament
Chess Elevation Series - July 2024
date
2024-06-16
rnd
6
type
Standard
result
1
date
2024-07-06
rnd
4
type
Standard
result
1
Opponent
Spence, B (Brian)
Opponent
Isaacs, T (Tyrique)
# Games Start End
1 11 Tournament
Cape Town Open 2023
Tournament
Curro Durbanville Chess Open Rapid 2023
date
2023-03-25
rnd
4
type
Rapid
result
1
date
2023-07-15
rnd
3
type
Rapid
result
0.5
Opponent
Sobada, A (Anelisa)
Opponent
Haman, R (Rico)
2 9 Tournament
Cape Town Junior League Qualifier 2024
Tournament
Cape Town Junior League Finals 2024
date
2024-04-06
rnd
6
type
Rapid
result
1
date
2024-05-18
rnd
4
type
Rapid
result
1
Opponent
House, J (Josh)
Opponent
Adolf, F (Feraydo)
3 5 Tournament
Kraaifontein Open 2023
Tournament
Cape Town Junior League Qualifier 2024
date
2023-12-10
rnd
6
type
Rapid
result
1
date
2024-04-06
rnd
4
type
Rapid
result
1
Opponent
Van Nugteren, N (Nadia)
Opponent
Nyokana, I (Imange)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
Cape Town Open 2023
Tournament
Rhenish Primary Tournament 2023
date
2023-03-25
rnd
4
type
Rapid
result
1
date
2023-05-13
rnd
4
type
Rapid
result
1
Opponent
Sobada, A (Anelisa)
Opponent
Davis, J (Joshua)
2 6 Tournament
Cape Town Junior League Qualifier 2024
Tournament
Western Cape PS Individuals Championship 2024
date
2024-04-06
rnd
6
type
Rapid
result
1
date
2024-05-04
rnd
1
type
Standard
result
1
Opponent
House, J (Josh)
Opponent
Louw, E (E-Jay)
3 6 Tournament
Cape Town Metro Schools Chess Closed Individuals 2024
Tournament
Cape Town Junior League Qualifier 2024
date
2024-03-03
rnd
5
type
Standard
result
1
date
2024-04-06
rnd
4
type
Rapid
result
1
Opponent
Sher, J (Jonah)
Opponent
Nyokana, I (Imange)
# Games Start End
1 5 Tournament
CT District East Schools Chess Individuals Trails 2024
Tournament
Cape Town Metro Schools Chess Closed Individuals 2024
date
2024-02-03
rnd
2
type
Standard
result
1
date
2024-03-02
rnd
1
type
Standard
result
1
Opponent
Greyling, L (Laurens)
Opponent
Schultz, T (Torsten)
2 4 Tournament
2025 Kraaifontein Open Chess Championships
Tournament
CT Metro District East Schools Chess Individuals Trials 2025
date
2025-01-05
rnd
6
type
Standard
result
1
date
2025-02-01
rnd
3
type
Standard
result
1
Opponent
Cupido, C (Caylah)
Opponent
Ziki, M (Melvin)
3 3 Tournament
Western Cape Schools Individual Championship 2025
Tournament
Helderberg Chess Club Open 2025
date
2025-04-27
rnd
6
type
Standard
result
1
date
2025-06-07
rnd
2
type
Standard
result
1
Opponent
Samuels, A (Alex-John)
Opponent
Magwaza, G (Gilmore)
# Games Start End
1 9 Tournament
Cape Town Junior League Qualifier 2024
Tournament
Cape Town Junior League Finals 2024
date
2024-04-06
rnd
6
type
Rapid
result
1
date
2024-05-18
rnd
4
type
Rapid
result
1
Opponent
House, J (Josh)
Opponent
Adolf, F (Feraydo)
2 7 Tournament
Cape Town Open 2023
Tournament
Rhenish Primary Tournament 2023
date
2023-03-25
rnd
4
type
Rapid
result
1
date
2023-05-13
rnd
4
type
Rapid
result
1
Opponent
Sobada, A (Anelisa)
Opponent
Davis, J (Joshua)
3 5 Tournament
Kraaifontein Open 2023
Tournament
Cape Town Junior League Qualifier 2024
date
2023-12-10
rnd
6
type
Rapid
result
1
date
2024-04-06
rnd
4
type
Rapid
result
1
Opponent
Van Nugteren, N (Nadia)
Opponent
Nyokana, I (Imange)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Guo ,A (Aleks) 4 1 -212.5 3 1 -141.7 1 0 -425 0 0 0
1445.7 1233.2 1396 1304 1343.5 1020.7 0 0
2 Spence ,B (Brian) 4 3 212.5 1 1 425 3 2 141.7 0 0 0
1289.7 1502.2 1244.6 1714.7 1264.4 1431.4 0 0
3 Webb ,A (Amori) 2 2 425 2 2 425 0 0 0 0 0 0
1308.1 1733.1 1284.3 1733.1 0 0 0 0
4 Hagan ,T (Tristin) 2 1 0 2 1 0 0 0 0 0 0 0
1238.8 1238.8 1218.2 1238.8 0 0 0 0
5 Janse Van Rensburg ,D (Daniel) 2 0.5 -212.5 2 0.5 -212.5 0 0 0 0 0 0
1295.7 1083.2 1280.9 1083.2 0 0 0 0
6 Sher ,J (Jonah) 2 1 0 1 1 425 1 0 -425 0 0 0
1248 1248 1264.4 1673 1220 823 0 0
7 Muller ,H (Helgard) 2 1 0 1 1 425 1 0 -425 0 0 0
1446.6 1446.6 1404.1 1871.6 1442.5 1021.6 0 0
8 Scheepers ,R (Riko) 2 1 0 1 1 425 1 0 -425 0 0 0
1287.8 1287.8 1312.5 1712.8 1233.9 862.8 0 0
9 Adolf ,F (Feraydo) 2 2 425 1 1 425 1 1 425 0 0 0
1275.3 1700.3 1177.2 1700.3 1329.7 1700.3 0 0
10 Tshenolo ,T (Tsamai) 2 2 425 1 1 425 1 1 425 0 0 0
1200 1625 1200 1625 1200 1625 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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