PLAYER PAGE

Sibonelo Mangala

1110106675
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1867.2
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64
Rating Change
()
Games 14
Score 9
We 9.47
SWe -0.33
Temp +/- -8
Penalties 0
Weight perform 1810.4
Final +/- -8
New Rating
()
Rating 1859.2
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Standard rating
Rating 1867.2
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Rating Change
()
Games 14
Score 9
We 9.4
SWe -0.4
Temp +/- -9.7
Penalties 0
Weight perform 1810.4
Final +/- -9.7
New Rating
()
Rating 1857.5
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Rapid rating
Rating 1404.9
K-factor 32
Floor 904.9
Highest 1404.9 (2025-11-01)
Min/Max +/- allowed 123.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1355.9
Final +/- 0
New Rating
()
Rating 1404.9
K-factor 32
Floor 904.9
Highest 1404.9 (2025-11-01)
Min/Max +/- allowed 123.8
Blitz rating
Rating 1293.5
K-factor 36
Floor 793.5
Highest 1293.5 (2025-06-01)
Min/Max +/- allowed 145.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1293.5
K-factor 36
Floor 793.5
Highest 1293.5 (2025-06-01)
Min/Max +/- allowed 145.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMBCU Trials 3 2026 (U16) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1867.2 5 3.5 1722.8 -16.4 Details
2 South African Junior Closed Chess Championship 2026 (U16 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1867.2 9 5.5 1903.8 8.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 NMBCU Trials 2 (U16) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1860.1 6 4.5 1799.7 -7.5 Details
2 Pearson Chess Festival 2026 Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1779.7 5 4 1905.3 11.6 Details
3 NMBCU Trial 1 2026 (U16) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1779.7 5 4.5 1930.8 14.6 Details
4 SAJCCC ENM Players Fundraiser February 2026 (A) Standard 2026-02-14 2026-02-14 Nelson Mandela Bay (ENM) 5 1779.7 5 4.5 2020.5 24.2 Details
5 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1677.2 6 5 1839.6 23.2 Details
6 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1677.2 5 4 1688.6 1.8 Details
7 Gatekeepers Round Robin 2025 Standard 2025-12-13 2025-12-13 Nelson Mandela Bay (ENM) 5 1677.2 5 5 1891.1 20.9 Details
8 Township Chess Academy Annual Tournament 2025 (A) Standard 2025-11-28 2025-11-29 Nelson Mandela Bay (ENM) 5 1610.2 5 4 1858.4 24.6 Details
9 Fide in the Bay 2025 (A) Rapid 2025-10-04 2025-10-04 Nelson Mandela Bay (ENM) 7 1604.5 7 5.5 1947 18.8 Details
10 EC Closed 2025 (U16 Open) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1601.8 6 3.5 1556.3 -5.8 Details
11 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1598.1 11 5.5 1391.9 -51.8 Details
12 NMBCU Closed 2025 (U16) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1607.6 6 4 1536.2 -6.8 Details
13 NMBCU Open 2025 (B) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1652 6 4.5 1650.9 1.5 Details
14 Moja Chess Extravaganza 2025 (B) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1652 9 3 1495 -32.6 Details
15 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1652 6 3 1625.2 -0.7 Details
16 South African Junior Closed Chess Championships 2025 (U14 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1683 9 4.5 1581.5 -22.2 Details
17 Pearson High Chess Festival 2025 (B) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1665.7 5 5 1789.3 12.3 Details
18 NMBCU vs BCC Derby Chess Invitational 2025 (U14) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1656.9 5 3.5 1741.2 7.9 Details
19 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A) Blitz 2025-01-12 2025-01-12 Nelson Mandela Bay (ENM) 9 1656.9 9 6 1618.3 -1.5 Details
20 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1643.7 7 5 1704.8 9.4 Details
21 NMBCU Closed 2024 (U14) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1573.2 6 5 1768.1 23.2 Details
22 2024 UCC Mind Over Board (B) Classical 2024-08-30 2024-09-01 Nelson Mandela Bay (ENM) 5 1573.2 5 4.5 1731 17.8 Details
23 NMBCU Trial 5 2024 (U14) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1591.4 6 4 1561.8 -3.2 Details
24 NMB Open 2024 (B) Standard 2024-08-03 2024-08-04 Nelson Mandela Bay (ENM) 6 1591.4 6 4 1519.4 -8.2 Details
25 Karen Ashworth 2024 (A) Standard 2024-07-19 2024-07-20 Nelson Mandela Bay (ENM) 6 1535.9 6 3 1436.8 -1.3 Details
26 NMBCU Trials 4 2024 (U14) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1535.9 6 5.5 1841.7 36 Details
27 Willow Academy 2024 (B) Rapid 2024-06-22 2024-06-22 Nelson Mandela Bay (ENM) 6 1546.9 6 4 1452.1 -7 Details
28 NMBCU Trial 3 2024 (U14) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1517.9 6 4.5 1670.4 18.1 Details
29 NMBCU Trials 2 2024 (U14) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1507.8 6 4 1561.3 6.3 Details
30 Township Chess Academy Open 2024 (A) Standard 2024-03-21 2024-03-21 Nelson Mandela Bay (ENM) 5 1487.2 5 3 1406.3 -7 Details
31 UCC Strategic Moves 2024 (B) Standard 2024-03-08 2024-03-09 Nelson Mandela Bay (ENM) 5 1487.2 5 4 1514.9 3.6 Details
32 Madibaz Chess Tournament 2024 (B) Standard 2024-03-01 2024-03-02 Nelson Mandela Bay (ENM) 5 1487.2 5 4.5 1660.4 16.3 Details
33 YCA Otto Du Plessis Rapid 2024 (B) Rapid 2024-02-03 2024-02-03 Nelson Mandela Bay (ENM) 5 1355.2 5 5 1600.8 10.9 Details
34 NMBCU Trials 1 2024 (U14) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1355.2 6 5 1616.1 30.5 Details
35 Pearson Open Chess Tournament 2024 (B) Standard 2024-02-23 2024-02-24 Nelson Mandela Bay (ENM) 5 1355.2 5 4 1543.5 17.8 Details
36 Eastern Cape Provincial Individual Championship 2023 (U14 Boys) Standard 2023-10-05 2023-10-05 Nelson Mandela Bay (ENM) 7 1282.4 7 5 1579.7 42.3 Details
37 Eastern Cape Chess Team Championship 2023 (U14) Standard 2023-10-07 2023-10-08 Sarah Baartman (ESB) 5 1282.4 4 2 1258.1 -1.9 Details
38 NMBCU Closed 2023 (U14) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1283.3 6 3 1278 -0.7 Details
39 Junior Chess Battles Blitz 2023 (B) Blitz 2023-07-16 2023-07-16 Nelson Mandela Bay (ENM) 7 1215.7 7 4 1333.5 3.3 Details
40 Junior Chess Battles Classical 2023 (U16) Standard 2023-07-15 2023-07-16 Nelson Mandela Bay (ENM) 6 1215.7 6 3 1410.1 21.1 Details
41 NMBCU Trial 4 2023 (U14) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 6 1215.7 5 3 1354.9 12.8 Details
42 EP Trials 3 2023 (U14) Standard 2023-05-05 2023-05-06 Nelson Mandela Bay (ENM) 6 1227.7 6 2.5 1171.7 -6.6 Details
43 Youth Chess Acadamy Rapid Tournament 2023 (B) Rapid 2023-03-11 2023-03-11 Nelson Mandela Bay (ENM) 5 1184.3 5 3 1345.1 7 Details
44 NMB 2nd Trials 2023 (U14) Standard 2023-03-24 2023-03-25 Nelson Mandela Bay (ENM) 6 1184.3 6 3.5 1307.8 14.4 Details
45 2022 Madibaz Physics Chess Open (D) Rapid 2022-10-07 2022-10-08 Nelson Mandela Bay (ENM) 7 1168 7 4 1254.8 8.1 Details
46 2022 NMBCU Closed 2022 (U12) Standard 2022-08-19 2022-08-20 Nelson Mandela Bay (ENM) 5 1145.4 4 1.5 1134.5 -1 Details
47 2022 NMBCU Trial 4 (U12) Standard 2022-08-12 2022-08-13 Nelson Mandela Bay (ENM) 6 1145.4 6 3 1249.9 12.1 Details
48 NMBCU Trial 3 2022 (U12) Standard 2022-07-22 2022-07-23 Nelson Mandela Bay (ENM) 6 1123.5 5 2.5 1243.1 10.8 Details
49 2022 NMB Junior Trials 2 (U12) Standard 2022-05-13 2022-05-14 Nelson Mandela Bay (ENM) 6 1176 5 1 913.3 -26.4 Details
50 Nelson Mandela University Open Rapid Tournament 2018 Rapid 2018-10-06 2018-10-06 Nelson Mandela Bay (ENM) 6 1200 2 0 775 -12.1 Details
Game statistics ( )
Games 5
Wins 3
Draws 1
Losses 1
White 3
Black 2
White wins 3
Black wins 0
Score 3.5
Percent 70
Dp 170
AOR 1552.8
Performance 1722.8
Game statistics ()
Games 35
Wins 24
Draws 5
Losses 6
White 19
Black 16
White wins 15
Black wins 9
Score 26.5
Percent 75.7
Dp 218.6
AOR 1662.3
Performance 1880.8
Game statistics (History)
Games 307
Wins 180
Draws 45
Losses 82
White 163
Black 144
White wins 98
Black wins 82
Score 202.5
Percent 66
Dp 135.7
AOR 1427.8
Performance 1563.5
Rankings (Main)
National
Overall 170
Gender 163
Age group 5
Gender/Age 5
Provincial
Overall 9
Gender 7
Age group 1
Gender/Age 1
Regional
Overall 6
Gender 4
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 170
Gender 163
Age group 5
Gender/Age 5
Provincial
Overall 9
Gender 7
Age group 1
Gender/Age 1
Regional
Overall 5
Gender 3
Age group 1
Gender/Age 1
Rankings (Rapid)
National
Overall 785
Gender 687
Age group 146
Gender/Age 119
Provincial
Overall 72
Gender 69
Age group 13
Gender/Age 11
Regional
Overall 19
Gender 19
Age group 4
Gender/Age 4
Rankings (Blitz)
National
Overall 289
Gender 276
Age group 19
Gender/Age 18
Provincial
Overall 22
Gender 22
Age group 7
Gender/Age 7
Regional
Overall 12
Gender 12
Age group 5
Gender/Age 5
Performance ( )
Games 14
Score 9
Percent 64.3
Aor 1717.8
Dp 121.4
Prat 1839.2
Performance ()
Games 35
Score 26.5
Percent 75.7
Aor 1662.3
Dp 218.6
Prat 1880.8
Performance (12 months)
Games 107
Score 73.5
Percent 68.7
Aor 1566.9
Dp 158.9
Prat 1725.8
Performance (History)
Games 307
Score 202.5
Percent 66
Aor 1427.8
Dp 135.7
Prat 1563.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Banda, B (Benjamin) 11 6 5 2022 NMBCU Closed 2022 (U12) 2026 NMBCU Trials 2 (U16) Details
Overall 2 Step, N (Nicholas) 8 5 3 NMBCU Trials 2 2024 (U14) 2026 NMBCU Trials 2 (U16) Details
Overall 3 Clainos, S (Spiro) 7 5 2 NMBCU Trial 3 2022 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Overall 4 Blandy, L (Levi) 6 2 4 EP Trials 3 2023 (U14) 2025 Mzansi Individual Championships (U16 Open) Details
Overall 5 Coetzee, S (Schalk) 6 3 3 2022 NMB Junior Trials 2 (U12) 2026 NMBCU Trials 2 (U16) Details
Standard 1 Banda, B (Benjamin) 11 6 5 2022 NMBCU Closed 2022 (U12) 2026 NMBCU Trials 2 (U16) Details
Standard 2 Step, N (Nicholas) 7 4 3 NMBCU Trials 2 2024 (U14) 2026 NMBCU Trials 2 (U16) Details
Standard 3 Clainos, S (Spiro) 7 5 2 NMBCU Trial 3 2022 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 4 Blandy, L (Levi) 6 2 4 EP Trials 3 2023 (U14) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 5 Coetzee, S (Schalk) 6 3 3 2022 NMB Junior Trials 2 (U12) 2026 NMBCU Trials 2 (U16) Details
Rapid 1 Mclachlan, G (Geoffrey) 2 0 2 Willow Academy 2024 (B) Fide in the Bay 2025 (A) Details