Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Chang-Ying Yang

2100143765
Cape Town (WCT)
Personal
Main rating
Rating 1272.7
K-factor 36
Floor 825.7
Highest 1325.7 (2025-05-05)
Min/Max +/- allowed 139
Rating Change
()
Games 6
Score 4
We 2.31
SWe 1.4
Temp +/- 50.4
Penalties 0
Weight perform 1256.8
Final +/- 50.4
New Rating
()
Rating 1323
K-factor 36
Floor 825.7
Highest 1325.7 (2025-05-05)
Min/Max +/- allowed 138.6
Standard rating
Rating 1261
K-factor 36
Floor 809.7
Highest 1309.7 (2025-05-05)
Min/Max +/- allowed 141.8
Rating Change
()
Games 6
Score 4
We 2.21
SWe 1.79
Temp +/- 64.3
Penalties 0
Weight perform 1276.6
Final +/- 64.3
New Rating
()
Rating 1325.3
K-factor 36
Floor 825.3
Highest 1325.3 (2026-03-01)
Min/Max +/- allowed 138.7
Rapid rating
Rating 1225
K-factor 36
Floor 733.2
Highest 1259.5 (2024-09-01)
Min/Max +/- allowed 152.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1225
K-factor 36
Floor 733.2
Highest 1259.5 (2024-09-01)
Min/Max +/- allowed 152.3
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 CT Metro North Schools Chess Individual Trials 2026 (U17 Girls) Standard 2026-02-14 2026-02-15 Cape Town 6 1272.7 6 4 1500.5 50.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Kraaifontein Open 2025 (Advanced) Standard 2025-12-06 2025-12-07 Cape Town (WCT) 6 1309.3 6 0.5 1043.6 0 Details
2 UCT Open Chess Championship 2025 (Open) Rapid 2025-10-12 2025-10-12 Cape Town (WCT) 6 1318.6 6 2 1279 0 Details
3 Cape Town Metro North Top Schools 2025 (U15) Standard 2025-08-01 2025-08-02 Cape Town (WCT) 5 1325.7 4 2 1292.7 0 Details
4 Western Cape Schools Individual Championship 2025 (U15 Girls) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1258.8 6 3.5 1513 0 Details
5 CT Metro Schools Individual Closed 2025 (U15 Girls) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1238.5 6 3.5 1332.7 0 Details
6 CT Metro North Schools Chess Individual Trials 2025 (U15 Girls) Standard 2025-02-08 2025-02-09 Cape Town (WCT) 6 1218.1 6 3 1327.7 0 Details
7 CBC Rapid Chess Tournament 2024 (U14) Rapid 2024-09-14 2024-09-14 Cape Town (WCT) 6 1183.8 6 4 1387.3 0 Details
8 Chas Everitt and MHI Attorneys Rapid 2023 (U14) Rapid 2023-11-04 2023-11-04 Cape Town (WCT) 6 1200 6 2 1082.1 0 Details
9 South African Open 2022 (U16) Standard 2022-07-11 2022-07-13 Cape Town (WCT) 6 1200 0 0 0 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 6
Wins 4
Draws 0
Losses 2
White 2
Black 4
White wins 1
Black wins 3
Score 4
Percent 66.7
Dp 141.7
AOR 1358.8
Performance 1500.5
Game statistics (History)
Games 52
Wins 22
Draws 5
Losses 25
White 26
Black 26
White wins 11
Black wins 11
Score 24.5
Percent 47.1
Dp -24.5
AOR 1331.5
Performance 1307
Rankings (Main)
National
Overall 7139
Gender 1286
Age group 1122
Gender/Age 221
Provincial
Overall 2097
Gender 456
Age group 296
Gender/Age 79
Regional
Overall 939
Gender 155
Age group 109
Gender/Age 24
Rankings (Standard)
National
Overall 6759
Gender 1294
Age group 1126
Gender/Age 226
Provincial
Overall 1901
Gender 451
Age group 288
Gender/Age 75
Regional
Overall 869
Gender 160
Age group 110
Gender/Age 25
Rankings (Rapid)
National
Overall 3626
Gender 751
Age group 496
Gender/Age 108
Provincial
Overall 1454
Gender 321
Age group 193
Gender/Age 51
Regional
Overall 583
Gender 80
Age group 64
Gender/Age 13
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 6
Score 4
Percent 66.7
Aor 1358.8
Dp 141.7
Prat 1500.5
Performance (12 months)
Games 28
Score 12
Percent 42.9
Aor 1388.8
Dp -60.7
Prat 1328.1
Performance (History)
Games 52
Score 24.5
Percent 47.1
Aor 1331.5
Dp -24.5
Prat 1307
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Muller, H (Helgard) 2 1 1 CBC Rapid Chess Tournament 2024 (U14) Kraaifontein Open 2025 (Advanced) Details
Overall 2 Smith, S (Shiloh) 2 2 0 CT Metro North Schools Chess Individual Trials 2025 (U15 Girls) CT Metro North Schools Chess Individual Trials 2026 (U17 Girls) Details
Overall 3 Januarie, M (Micherle) 2 1 1 CT Metro North Schools Chess Individual Trials 2025 (U15 Girls) CT Metro North Schools Chess Individual Trials 2026 (U17 Girls) Details
Standard 1 Smith, S (Shiloh) 2 2 0 CT Metro North Schools Chess Individual Trials 2025 (U15 Girls) CT Metro North Schools Chess Individual Trials 2026 (U17 Girls) Details
Standard 2 Januarie, M (Micherle) 2 1 1 CT Metro North Schools Chess Individual Trials 2025 (U15 Girls) CT Metro North Schools Chess Individual Trials 2026 (U17 Girls) Details