Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Serena Cheng

2130319374
Ekurhuleni (GE)
Personal
Main rating
Rating 1256.8
K-factor 36
Floor 826.7
Highest 1326.7 (2026-04-01)
Min/Max +/- allowed 138
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1139.9
Final +/- 0
New Rating
()
Rating 1256.8
K-factor 36
Floor 826.7
Highest 1326.7 (2026-04-01)
Min/Max +/- allowed 138.4
Standard rating
Rating 1240.5
K-factor 36
Floor 745.5
Highest 1245.5 (2026-06-01)
Min/Max +/- allowed 155.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1196.2
Final +/- 0
New Rating
()
Rating 1240.5
K-factor 36
Floor 745.5
Highest 1245.5 (2026-06-01)
Min/Max +/- allowed 155.4
Rapid rating
Rating 1296.4
K-factor 36
Floor 884.6
Highest 1384.6 (2026-04-01)
Min/Max +/- allowed 127.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1212.7
Final +/- 0
New Rating
()
Rating 1296.4
K-factor 36
Floor 884.6
Highest 1384.6 (2026-04-01)
Min/Max +/- allowed 127.5
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-05-05)
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 (2025-05-05)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Ekurhuleni 2nd Trial 2026 (E) Standard 2026-06-20 2026-06-20 Ekurhuleni (GE) 5 1307.1 5 3 1208.1 -10.1 Details
2 Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Rapid 2026-06-13 2026-06-13 Ekurhuleni (GE) 6 1307.1 4 0 915.4 -40.1 Details
3 Ekurhuleni 1st Trial 2026 (D U14) Standard 2026-04-11 2026-04-11 Ekurhuleni (GE) 5 1326.7 5 2 1180.3 -26.9 Details
4 Ekurhuleni North District Individuals 2026 (U13 Girls) Standard 2026-05-09 2026-05-09 Ekurhuleni (GE) 5 1326.7 5 3 1360 7.2 Details
5 Benoni Laerskole Cluster 2026 (U13 Girls) Rapid 2026-04-25 2026-04-25 Ekurhuleni (GE) 5 1320.6 5 3.5 1374.6 6.2 Details
6 Ekurhuleni 1st Standard Tournament 2026 (D) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1256.6 3 2 1489.5 12.9 Details
7 LS Northmead 2026 (U13) Rapid 2026-01-31 2026-01-31 Ekurhuleni (GE) 5 1256.6 5 4 1583.2 13.9 Details
8 2025 Gauteng Top Schools Teams (U13 Girls) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1270.7 5 2 1197.5 -7.8 Details
9 Ekurhuleni North Schools Teams 2025 (U13 Girls) Rapid 2025-08-16 2025-08-16 Ekurhuleni (GE) 5 1198.5 5 4 1473.6 19.9 Details
10 Benoni Clusters Team 2025 (U13 Girls A) Rapid 2025-08-09 2025-08-09 Ekurhuleni (GE) 6 1198.5 6 3 1241.9 3.6 Details
11 Benoni Primary School Cluster Teams 2025 (U13B) Rapid 2025-08-02 2025-08-02 Ekurhuleni (GE) 5 1198.5 4 3 1419 12.6 Details
12 South African Open 2025 (U14 Girls) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1199.4 5 2 1149.4 -6.8 Details
13 Ekurhuleni Trials 2025 (E) Standard 2025-05-24 2025-05-24 Ekurhuleni (GE) 5 1199.2 5 1 985.1 -21.6 Details
14 Benoni Primary School Cluster 12 April 2025 (U13 Girls) Standard 2025-04-12 2025-04-12 Ekurhuleni (GE) 5 1200 5 2 1143.3 -4.8 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 32
Wins 16
Draws 3
Losses 13
White 18
Black 14
White wins 10
Black wins 6
Score 17.5
Percent 54.7
Dp 39.8
AOR 1262.1
Performance 1301.9
Game statistics (History)
Games 67
Wins 33
Draws 3
Losses 31
White 36
Black 31
White wins 18
Black wins 15
Score 34.5
Percent 51.5
Dp 12.7
AOR 1249
Performance 1261.7
Rankings (Main)
National
Overall 8636
Gender 1674
Age group 1389
Gender/Age 371
Provincial
Overall 2999
Gender 597
Age group 480
Gender/Age 125
Regional
Overall 691
Gender 174
Age group 121
Gender/Age 36
Rankings (Standard)
National
Overall 8209
Gender 1732
Age group 1398
Gender/Age 391
Provincial
Overall 2974
Gender 647
Age group 509
Gender/Age 144
Regional
Overall 598
Gender 160
Age group 102
Gender/Age 32
Rankings (Rapid)
National
Overall 2161
Gender 376
Age group 437
Gender/Age 112
Provincial
Overall 447
Gender 81
Age group 87
Gender/Age 24
Regional
Overall 165
Gender 49
Age group 50
Gender/Age 14
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 32
Score 17.5
Percent 54.7
Aor 1262.1
Dp 39.8
Prat 1301.9
Performance (12 months)
Games 52
Score 29.5
Percent 56.7
Aor 1253.3
Dp 57.2
Prat 1310.5
Performance (History)
Games 67
Score 34.5
Percent 51.5
Aor 1249
Dp 12.7
Prat 1261.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Du Plessis, L (Lume) 3 1 2 Benoni Clusters Team 2025 (U13 Girls A) Ekurhuleni North Schools Teams 2025 (U13 Girls) Details
Overall 2 Beaton, M (Miah) 3 1 2 Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Ekurhuleni 2nd Trial 2026 (E) Details
Overall 3 Abrahams, L (Lisa) 3 2 1 Benoni Primary School Cluster Teams 2025 (U13B) Benoni Clusters Team 2025 (U13 Girls A) Details
Overall 4 Maitse, R (Relebogile Reitumetse) 3 2 1 Benoni Clusters Team 2025 (U13 Girls A) Ekurhuleni North Schools Teams 2025 (U13 Girls) Details
Overall 5 Kew, R (Rachel) 2 1 1 Benoni Laerskole Cluster 2026 (U13 Girls) Ekurhuleni North District Individuals 2026 (U13 Girls) Details
Rapid 1 Du Plessis, L (Lume) 3 1 2 Benoni Clusters Team 2025 (U13 Girls A) Ekurhuleni North Schools Teams 2025 (U13 Girls) Details
Rapid 2 Maitse, R (Relebogile Reitumetse) 3 2 1 Benoni Clusters Team 2025 (U13 Girls A) Ekurhuleni North Schools Teams 2025 (U13 Girls) Details
Rapid 3 Abrahams, L (Lisa) 3 2 1 Benoni Primary School Cluster Teams 2025 (U13B) Benoni Clusters Team 2025 (U13 Girls A) Details
Rapid 4 Lin, S (Shao-Shiuan) 2 1 1 Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Details
Rapid 5 Beaton, M (Miah) 2 1 1 Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Benoni Cluster Laerskole Teams Mix 2026 (U13 Girls) Details