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

PLAYER PAGE

Sibonelo Mangala

1110106675
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1729.8
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64
Rating Change
()
Games 14
Score 12.5
We 9.46
SWe 2.2
Temp +/- 52.8
Penalties 0
Weight perform 1809.2
Final +/- +64.1
New Rating
()
Rating 1793.9
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Standard rating
Rating 1731.1
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Rating Change
()
Games 11
Score 9.5
We 7.3
SWe 2.2
Temp +/- 52.9
Penalties 0
Weight perform 1733.7
Final +/- +52.9
New Rating
()
Rating 1784
K-factor 24
Floor 1367.2
Highest 1867.2 (2026-03-01)
Min/Max +/- allowed 64.1
Rapid rating
Rating 1581.7
K-factor 32
Floor 1081.7
Highest 1581.7 (2026-09-01)
Min/Max +/- allowed 96.3
Rating Change
()
Games 3
Score 3
We 2.19
SWe 0.81
Temp +/- 25.8
Penalties 0
Weight perform 1716.9
Final +/- +96.3
New Rating
()
Rating 1678
K-factor 28
Floor 1178
Highest 1678 (2026-10-01)
Min/Max +/- allowed 83.9
Blitz rating
Rating 1353.9
K-factor 36
Floor 853.9
Highest 1353.9 (2026-06-01)
Min/Max +/- allowed 133.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1353.9
K-factor 36
Floor 853.9
Highest 1353.9 (2026-06-01)
Min/Max +/- allowed 133.2
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 EC Schools Chess Championships 2026 (U15 Boys) Standard 2026-10-09 2026-10-10 Buffalo City (EBC) 5 1729.8 5 4.5 1916.3 23.9 Details
2 Eastern Cape Closed Championship 2026 (U16 Open) Standard 2026-09-25 2026-09-26 Sarah Baartman (ESB) 6 1729.8 6 5 1893.3 23.4 Details
3 Eastern Cape Chess Festival 2026 (Inter-Regionals U16) Rapid 2026-09-25 2026-09-25 Sarah Baartman (ESB) 4 1729.8 3 3 1958.2 5.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMB & SB District Summer Schools Individual Finals 2026 (U15 Boys) Rapid 2026-08-29 2026-08-29 Nelson Mandela Bay (ENM) 5 1729.8 5 3 1582.7 -13.5 Details
2 NMB District Schools Individual Finals 2026 (U15 Boys) Rapid 2026-08-22 2026-08-22 Nelson Mandela Bay (ENM) 5 1729.8 5 4.5 1717.1 12.3 Details
3 South African Open Championship 2026 (Advanced) Classical 2026-06-28 2026-07-05 Cape Town (WCT) 9 1795.1 9 3.5 1462.3 -82.9 Details
4 Commonwealth Blitz Chess Championship 2026 Blitz 2026-05-20 2026-05-20 Sri Lanka (SRI) 7 1859.2 6 2 1585 -8.3 Details
5 Commonwealth Youth Rapid Chess Championship 2026 Rapid 2026-05-18 2026-05-19 Sri Lank (SRI) 7 1859.2 6 2.5 1580.7 -25.4 Details
6 Commonwealth Chess Championship 2026 Classical 2026-05-17 2026-05-25 Sri Lanka (SRI) 9 1859.2 9 3.5 1606.9 -62.7 Details
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 Moja Chess Extravaganza 2025 (B) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1652 9 3 1495 -32.6 Details
23 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1652 6 3 1625.2 -0.7 Details
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 Willow Academy 2024 (B) Rapid 2024-06-22 2024-06-22 Nelson Mandela Bay (ENM) 6 1546.9 6 4 1452.1 -7 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 NMBCU Closed 2023 (U14) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1283.3 6 3 1278 -0.7 Details
47 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
48 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
49 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
50 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
Game statistics ( )
Games 5
Wins 4
Draws 1
Losses 0
White 3
Black 2
White wins 3
Black wins 1
Score 4.5
Percent 90
Dp 340
AOR 1576.3
Performance 1916.3
Game statistics ()
Games 89
Wins 50
Draws 16
Losses 23
White 46
Black 43
White wins 29
Black wins 21
Score 58
Percent 65.2
Dp 128.9
AOR 1621.2
Performance 1750.1
Game statistics (History)
Games 361
Wins 206
Draws 56
Losses 99
White 190
Black 171
White wins 112
Black wins 94
Score 234
Percent 64.8
Dp 126
AOR 1452.7
Performance 1578.7
Rankings (Main)
National
Overall 451
Gender 423
Age group 41
Gender/Age 35
Provincial
Overall 37
Gender 35
Age group 5
Gender/Age 5
Regional
Overall 25
Gender 23
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 424
Gender 398
Age group 45
Gender/Age 39
Provincial
Overall 26
Gender 24
Age group 5
Gender/Age 5
Regional
Overall 17
Gender 15
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 219
Gender 209
Age group 29
Gender/Age 26
Provincial
Overall 16
Gender 16
Age group 7
Gender/Age 7
Regional
Overall 8
Gender 8
Age group 3
Gender/Age 3
Rankings (Blitz)
National
Overall 277
Gender 267
Age group 23
Gender/Age 21
Provincial
Overall 25
Gender 25
Age group 5
Gender/Age 5
Regional
Overall 17
Gender 17
Age group 4
Gender/Age 4
Performance ( )
Games 5
Score 4.5
Percent 90
Aor 1576.3
Dp 340
Prat 1916.3
Performance ()
Games 89
Score 58
Percent 65.2
Aor 1621.2
Dp 128.9
Prat 1750.1
Performance (12 months)
Games 110
Score 76
Percent 69.1
Aor 1601.3
Dp 162.3
Prat 1763.5
Performance (History)
Games 361
Score 234
Percent 64.8
Aor 1452.7
Dp 126
Prat 1578.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Banda, B (Benjamin) 12 7 5 2022 NMBCU Closed 2022 (U12) NMBCU Trials 3 2026 (U16) Details
Overall 2 Clainos, S (Spiro) 8 5 3 NMBCU Trial 3 2022 (U12) NMB District Schools Individual Finals 2026 (U15 Boys) Details
Overall 3 Step, N (Nicholas) 8 5 3 NMBCU Trials 2 2024 (U14) 2026 NMBCU Trials 2 (U16) Details
Overall 4 Kapp, S (Sebastian) 6 6 0 Pearson Open Chess Tournament 2024 (B) NMB District Schools Individual Finals 2026 (U15 Boys) Details
Overall 5 Blandy, L (Levi) 6 2 4 EP Trials 3 2023 (U14) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 1 Banda, B (Benjamin) 12 7 5 2022 NMBCU Closed 2022 (U12) NMBCU Trials 3 2026 (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 Kapp, S (Sebastian) 2 2 0 Fide in the Bay 2025 (A) NMB District Schools Individual Finals 2026 (U15 Boys) Details
Rapid 2 Mclachlan, G (Geoffrey) 2 0 2 Willow Academy 2024 (B) Fide in the Bay 2025 (A) Details
Rapid 3 De Jager, J (Jaeden) 2 0 2 Willow Academy 2024 (B) NMB District Schools Individual Finals 2026 (U15 Boys) Details