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Joanna Chukwuma

2150147833
Ethekwini (KED)
Personal
Main rating
Rating 1369.1
K-factor 32
Floor 922.3
Highest 1422.3 (2025-03-01)
Min/Max +/- allowed 121
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1286
Final +/- 0
New Rating
()
Rating 1369.1
K-factor 32
Floor 922.3
Highest 1422.3 (2025-03-01)
Min/Max +/- allowed 120.8
Standard rating
Rating 1256.2
K-factor 36
Floor 756.2
Highest 1256.2 (2026-01-01)
Min/Max +/- allowed 153.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1240.6
Final +/- 0
New Rating
()
Rating 1256.2
K-factor 36
Floor 756.2
Highest 1256.2 (2026-01-01)
Min/Max +/- allowed 153.1
Rapid rating
Rating 1474.2
K-factor 32
Floor 1016.4
Highest 1516.4 (2025-03-01)
Min/Max +/- allowed 105.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1356.4
Final +/- 0
New Rating
()
Rating 1474.2
K-factor 32
Floor 1016.4
Highest 1516.4 (2025-03-01)
Min/Max +/- allowed 105.6
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
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 2025 Mzansi Individual Championships (U12 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1335.4 4 3 1436.7 0 Details
2 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1335.4 6 2.5 1435.1 0 Details
3 2025 Westville Primary Chess Tournament (Senior Primary) Rapid 2025-09-06 2025-09-06 Ethekwini (KED) 7 1326.2 0 0 0 0 Details
4 2025 KZN Provincial Trials (U12) Rapid 2025-09-06 2025-09-06 Ethekwini (KED) 6 1326.2 5 2 1402.2 0 Details
5 2025 Ethekwini Open (B) Standard 2025-03-21 2025-03-22 Ethekwini (KED) 6 1422.3 4 1 1008.6 0 Details
6 2025 Eyethu Chess Academy Tournament (U12) Standard 2025-03-15 2025-03-15 Ethekwini (KED) 5 1422.3 5 2 1126.9 0 Details
7 2025 Westville Girls High School Rapid (U12) Rapid 2025-02-22 2025-02-22 Ethekwini (KED) 6 1334.3 6 6 1727.3 0 Details
8 Westville Chess Club Rapid Rated February 2025 Rapid 2025-02-08 2025-02-08 Ethekwini (KED) 5 1334.3 5 3 1370.8 0 Details
9 Westville Chess Club Tournament 2025 (Senior Primay) Standard 2025-02-01 2025-02-01 Ethekwini (KED) 5 1334.3 5 3 1333.9 0 Details
10 Westville Rapid Rated Chess Tournament 2 2024 (Junior Primary) Rapid 2024-11-30 2024-11-30 Ethekwini (KED) 5 1318.2 5 4 1466.6 0 Details
11 Westville Senior Primary Chess Tournament 2024 (Junior Primary) Rapid 2024-09-07 2024-09-07 Ethekwini (KED) 7 1289.6 7 5.5 1472.3 0 Details
12 St Henry's Marist College Inuagural Girls Open Chess Tournament 2024 Rapid 2024-08-17 2024-08-17 Ethekwini (KED) 6 1260.8 6 5 1469.3 0 Details
13 St James School Rapid Rated Chess Tournament 2024 (Junior Primary) Rapid 2024-07-20 2024-07-20 Ethekwini (KED) 6 1186.3 6 3.5 1319.4 0 Details
14 Durban & Districts Chess Challenge 2024 (U8+U10) Rapid 2024-06-08 2024-06-08 Ethekwini (KED) 7 1186.3 7 5 1465.2 0 Details
15 St James Rapid Rated Tournament 2023 (Junior) Rapid 2023-08-26 2023-08-26 Ethekwini (KED) 5 1172.2 5 3 1309 0 Details
16 Umhlali Preparatory Rapid 2023 (Junior Primary) Rapid 2023-05-20 2023-05-20 iLembe (KIK) 5 1149.2 5 3 1319.2 0 Details
17 Westville Senior Primary School Individual Invitational Chess Tournament 2023 (Junior Primary) Rapid 2023-04-22 2023-04-22 Ethekwini (KED) 7 1149.2 0 0 0 0 Details
18 2nd Durban Trials 2022 Standard 2022-11-05 2022-11-05 Ethekwini (KED) 6 1200 3 0 755.9 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 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 (History)
Games 84
Wins 49
Draws 5
Losses 30
White 44
Black 40
White wins 26
Black wins 23
Score 51.5
Percent 61.3
Dp 96.1
AOR 1272.5
Performance 1368.6
Rankings (Main)
National
Overall 3949
Gender 630
Age group 316
Gender/Age 69
Provincial
Overall 270
Gender 40
Age group 25
Gender/Age 4
Regional
Overall 178
Gender 23
Age group 11
Gender/Age 2
Rankings (Standard)
National
Overall 6961
Gender 1343
Age group 729
Gender/Age 161
Provincial
Overall 416
Gender 62
Age group 41
Gender/Age 7
Regional
Overall 229
Gender 31
Age group 16
Gender/Age 3
Rankings (Rapid)
National
Overall 407
Gender 33
Age group 30
Gender/Age 5
Provincial
Overall 37
Gender 2
Age group 5
Gender/Age 1
Regional
Overall 31
Gender 2
Age group 3
Gender/Age 1
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 24
Score 10.5
Percent 43.8
Aor 1346.4
Dp -53.1
Prat 1293.2
Performance (History)
Games 84
Score 51.5
Percent 61.3
Aor 1272.5
Dp 96.1
Prat 1368.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Varghese, S (Steven) 3 3 0 Durban & Districts Chess Challenge 2024 (U8+U10) 2025 Westville Girls High School Rapid (U12) Details
Overall 2 Summerton, K (Kayson) 3 2 1 Durban & Districts Chess Challenge 2024 (U8+U10) 2025 Westville Girls High School Rapid (U12) Details
Overall 3 Mbatha, K (Khanysa) 2 0 2 St Henry's Marist College Inuagural Girls Open Chess Tournament 2024 2025 Westville Girls High School Rapid (U12) Details
Overall 4 Masiteng, N (Nkosikhona) 2 1 1 2025 Westville Girls High School Rapid (U12) 2025 KZN Provincial Trials (U12) Details
Overall 5 Tsouris, E (Ezra) 2 2 0 Westville Rapid Rated Chess Tournament 2 2024 (Junior Primary) 2025 Westville Girls High School Rapid (U12) Details
Rapid 1 Varghese, S (Steven) 3 3 0 Durban & Districts Chess Challenge 2024 (U8+U10) 2025 Westville Girls High School Rapid (U12) Details
Rapid 2 Summerton, K (Kayson) 3 2 1 Durban & Districts Chess Challenge 2024 (U8+U10) 2025 Westville Girls High School Rapid (U12) Details
Rapid 3 Singh, S (Suveer) 2 0 2 St James School Rapid Rated Chess Tournament 2024 (Junior Primary) Westville Senior Primary Chess Tournament 2024 (Junior Primary) Details
Rapid 4 Soobramoney, H (Hezron) 2 0 2 Umhlali Preparatory Rapid 2023 (Junior Primary) St James Rapid Rated Tournament 2023 (Junior) Details
Rapid 5 Tsouris, E (Ezra) 2 2 0 Westville Rapid Rated Chess Tournament 2 2024 (Junior Primary) 2025 Westville Girls High School Rapid (U12) Details