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Joanna Chukwuma

2150147833
Ethekwini (KED)
Personal
Main rating
Rating 1409.3
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 1406.2
Final +/- 0
New Rating
()
Rating 1409.3
K-factor 32
Floor 922.3
Highest 1422.3 (2025-03-01)
Min/Max +/- allowed 120.8
Standard rating
Rating 1386.3
K-factor 36
Floor 886.3
Highest 1386.3 (2026-06-01)
Min/Max +/- allowed 127.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1383.1
Final +/- 0
New Rating
()
Rating 1386.3
K-factor 36
Floor 886.3
Highest 1386.3 (2026-06-01)
Min/Max +/- allowed 127.2
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 1317.5
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 2026 KwaZulu Natal Open (D) Standard 2026-05-01 2026-05-03 Ethekwini (KED) 7 1384.8 7 4.5 1477.1 24.2 Details
2 2026 Ukuthula Trust Chess Tournament (U12) Standard 2026-03-14 2026-03-14 Ethekwini (KED) 5 1369.1 5 3.5 1462.1 15.8 Details
3 2025 Mzansi Individual Championships (U12 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1335.4 4 3 1436.7 9.6 Details
4 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 11.5 Details
5 2025 Westville Primary Chess Tournament (Senior Primary) Rapid 2025-09-06 2025-09-06 Ethekwini (KED) 7 1326.2 0 0 0 0 Details
6 2025 KZN Provincial Trials (U12) Rapid 2025-09-06 2025-09-06 Ethekwini (KED) 6 1326.2 5 2 1402.2 5.8 Details
7 2025 Ethekwini Open (B) Standard 2025-03-21 2025-03-22 Ethekwini (KED) 6 1422.3 4 1 1008.6 -32.2 Details
8 2025 Eyethu Chess Academy Tournament (U12) Standard 2025-03-15 2025-03-15 Ethekwini (KED) 5 1422.3 5 2 1126.9 -27.9 Details
9 2025 Westville Girls High School Rapid (U12) Rapid 2025-02-22 2025-02-22 Ethekwini (KED) 6 1334.3 6 6 1727.3 26.2 Details
10 Westville Chess Club Rapid Rated February 2025 Rapid 2025-02-08 2025-02-08 Ethekwini (KED) 5 1334.3 5 3 1370.8 1.7 Details
11 Westville Chess Club Tournament 2025 (Senior Primay) Standard 2025-02-01 2025-02-01 Ethekwini (KED) 5 1334.3 5 3 1333.9 -0.7 Details
12 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 9.1 Details
13 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 16 Details
14 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 16.1 Details
15 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 10.2 Details
16 Durban & Districts Chess Challenge 2024 (U8+U10) Rapid 2024-06-08 2024-06-08 Ethekwini (KED) 7 1186.3 7 5 1465.2 27.3 Details
17 St James Rapid Rated Tournament 2023 (Junior) Rapid 2023-08-26 2023-08-26 Ethekwini (KED) 5 1172.2 5 3 1309 7.2 Details
18 Umhlali Preparatory Rapid 2023 (Junior Primary) Rapid 2023-05-20 2023-05-20 iLembe (KIK) 5 1149.2 5 3 1319.2 11.5 Details
19 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
20 2nd Durban Trials 2022 Standard 2022-11-05 2022-11-05 Ethekwini (KED) 6 1200 3 0 755.9 -25.4 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 12
Wins 7
Draws 2
Losses 3
White 5
Black 7
White wins 2
Black wins 5
Score 8
Percent 66.7
Dp 141.7
AOR 1329.2
Performance 1470.9
Game statistics (History)
Games 96
Wins 56
Draws 7
Losses 33
White 49
Black 47
White wins 28
Black wins 28
Score 59.5
Percent 62
Dp 101.8
AOR 1279.5
Performance 1381.4
Rankings (Main)
National
Overall 3401
Gender 525
Age group 285
Gender/Age 63
Provincial
Overall 225
Gender 30
Age group 20
Gender/Age 3
Regional
Overall 154
Gender 19
Age group 10
Gender/Age 1
Rankings (Standard)
National
Overall 3480
Gender 577
Age group 299
Gender/Age 69
Provincial
Overall 218
Gender 29
Age group 20
Gender/Age 3
Regional
Overall 144
Gender 19
Age group 10
Gender/Age 1
Rankings (Rapid)
National
Overall 474
Gender 38
Age group 37
Gender/Age 8
Provincial
Overall 41
Gender 2
Age group 4
Gender/Age 1
Regional
Overall 35
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 12
Score 8
Percent 66.7
Aor 1329.2
Dp 141.7
Prat 1470.9
Performance (12 months)
Games 27
Score 15.5
Percent 57.4
Aor 1382.2
Dp 63
Prat 1445.2
Performance (History)
Games 96
Score 59.5
Percent 62
Aor 1279.5
Dp 101.8
Prat 1381.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Summerton, K (Kayson) 4 3 1 Durban & Districts Chess Challenge 2024 (U8+U10) 2026 Ukuthula Trust Chess Tournament (U12) Details
Overall 2 Varghese, S (Steven) 3 3 0 Durban & Districts Chess Challenge 2024 (U8+U10) 2025 Westville Girls High School Rapid (U12) Details
Overall 3 Power, A (Amber) 2 2 0 Westville Senior Primary Chess Tournament 2024 (Junior Primary) 2025 Westville Girls High School Rapid (U12) Details
Overall 4 Tsouris, E (Ezra) 2 2 0 Westville Rapid Rated Chess Tournament 2 2024 (Junior Primary) 2025 Westville Girls High School Rapid (U12) Details
Overall 5 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
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 Masiteng, N (Nkosikhona) 2 1 1 2025 Westville Girls High School Rapid (U12) 2025 KZN Provincial Trials (U12) Details
Rapid 4 Power, A (Amber) 2 2 0 Westville Senior Primary Chess Tournament 2024 (Junior Primary) 2025 Westville Girls High School Rapid (U12) Details
Rapid 5 Soobramoney, H (Hezron) 2 0 2 Umhlali Preparatory Rapid 2023 (Junior Primary) St James Rapid Rated Tournament 2023 (Junior) Details