PLAYER PAGE

Personal

Mangala, S (Sibonelo)

Chess SA id

1110106675

FIDE id

14360985

Date of birth

2011-06-15 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1765.9 1721.7 1404.9 1293.5
Raw rating 1708.4 1721.7 1404.9 1293.5
Weighted rating 1624.5 1633.3 1330.4 1264.3
Weighted performance 1799 1780.2 1230.7 0
Floor 1208.4 1221.7 904.9 793.5
K-factor 28 28 32 36
Min/Max rating change allowed 80.4 78.9 123.8 145.1
Highest rating 1765.9
2026-01-01
1721.7
2026-01-01
1404.9
2025-11-01
1293.5
2025-06-01
Highest raw rating 1708.4
2026-01-01
1721.7
2026-01-01
1404.9
2025-11-01
1293.5
2025-06-01
Highest weighted rating 1624.5
2026-01-01
1714.5
2025-07-01
1313.8
2025-11-01
1240.5
2025-08-01
Highest weighted performance 1799
2026-01-01
1780.2
2026-01-01
1261.7
2025-11-01
1234.2
2023-07-01

Prediction
Item Main Standard Rapid Blitz
Rating change 21.2 46.8 0 0
New rating 1787.2 1768.5 1404.9 1293.5
Analysis
Rating 1765.9 1721.7 1404.9 1293.5
Raw rating 1708.4 1721.7 1404.9 1293.5
Weighted rating 1624.5 1633.3 1330.4
Weighted performance 1799 1780.2 1230.7
K-factor 28 28 32 36
Floor 1208.4 1221.7 904.9 793.5
Max/Min rating change allowed 80.4 78.9 123.8 145.1
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1708.4 1721.7 1404.9 1293.5
New weighted rating 1633.4 1642.5 1337.7 1268.2
New weighted performance 1787.2 1768.5 1221 0
Temp new rating 1787.2 1768.5 1404.9 1293.5
Temp new rating +/- 21.2 46.8 0 0
Final new rating +/- 21.2 46.8 0 0
New rating 1787.2 1768.5 1404.9 1293.5
New K-factor 28 28 32 36
New floor 1208.4 1221.7 904.9 793.5

Item Main Standard Rapid Blitz
0 0 0 0
84 62 7 15
91 80 11 0
52 40 5 7
27 20 7 0
0 0 0 0
History 256 202 32 22

Games since
Main
175
Standard
142
Rapid
18
Blitz
15
Gender Male
Age group U16
Region Nelson Mandela Bay (ENM)
Province Eastern Cape (EC)
Main
RSA Province Region
Overall 361 36 20
Male 338 34 18
U16 36 6 5
U16 Male 32 6 5
Standard
RSA Province Region
Overall 486 49 22
Male 445 45 19
U16 52 8 5
U16 Male 45 7 5
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall 307 23 9
Male 287 23 9
U16 26 6 4
U16 Male 23 6 4

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 84 52 61.9 101.2 1522 1623.2
Standard 62 37.5 60.48 89.1 1498 1587.1
Rapid 7 5.5 78.57 242.9 1704.1 1947
Blitz 15 9 60 85 1536 1621
History
Games Score % Dp AvgOpp Performance
Main 256 162 63.28 112.9 1391.9 1504.7
Standard 202 127.5 63.12 111.5 1394.2 1505.7
Rapid 32 21.5 67.19 146.1 1335.3 1481.4
Blitz 22 13 59.09 77.3 1452.3 1529.6

Date Main Standard Rapid Blitz
2026-01-01 1708.4 1721.7 1404.9 1293.5
2025-11-30 1644.1 1632.1 1404.9 1293.5
2025-11-01 1609.7 1592.3 1404.9 1293.5
2025-09-30 1583.4 1592.3 1309.9 1293.5
2025-09-01 1592.1 1604.6 1309.9 1293.5
2025-08-01 1592.1 1604.6 1309.9 1293.5
2025-07-01 1598.1 1605.2 1309.9 1293.5
2025-06-01 1607.6 1619.4 1309.9 1293.5
2025-05-01 1652 1670.5 1309.9 1258.1
2025-04-01 1683 1714.5 1309.9 1258.1
2025-03-01 1683 1714.5 1309.9 1258.1
2025-02-01 1665.7 1678.5 1309.9 1258.1
2025-01-01 1656.9 1657.7 1309.9 1207.6
2024-12-01 1643.7 1642.9 1309.9 1207.6
2024-11-01 1643.7 1642.9 1309.9 1207.6
2024-10-01 1643.7 1642.9 1309.9 1207.6
2024-09-01 1573.2 1588.9 1309.9 1207.6
2024-11-01 1591.4 1616.6 1309.9 1207.6
2024-07-01 1535.9 1563.2 1309.9 1207.6
2024-06-01 1546.9 1563.2 1289 1207.6
2024-05-01 1517.9 1528.6 1289 1207.6
2024-04-01 1507.8 1517.4 1289 1207.6
2024-03-01 1487.2 1472.5 1289 1207.6
2024-02-01 1355.2 1374.2 1200.4 1207.6

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U16 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 5 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U16 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 5 4 Yes Analysis
3 Gatekeepers Round Robin 2025 2025-12-13 2025-12-13 Standard Nelson Mandela Bay (ENM) 5 5 5 Yes Analysis
4 Township Chess Academy Annual Tournament 2025 (A) 2025-11-28 2025-11-29 Standard Nelson Mandela Bay (ENM) 5 5 4 Yes Analysis
5 Fide in the Bay 2025 (A) 2025-10-04 2025-10-04 Rapid Nelson Mandela Bay (ENM) 7 7 5.5 Yes Analysis
6 EC Closed 2025 (U16 Open) 2025-09-06 2025-09-07 Standard Nelson Mandela Bay (ENM) 6 6 3.5 Yes Analysis
7 South African Open 2025 (B) 2025-06-28 2025-07-05 Standard Johannesburg Metro (GJM) 11 11 5.5 Yes Analysis
8 NMBCU Closed 2025 (U16) 2025-06-13 2025-06-14 Standard Nelson Mandela Bay (ENM) 6 6 4 Yes Analysis
9 NMBCU Open 2025 (B) 2025-05-23 2025-05-24 Standard Nelson Mandela Bay (ENM) 6 6 4.5 Yes Analysis
10 Moja Chess Extravaganza 2025 (B) 2025-04-26 2025-05-01 Standard Johannesburg Metro (GJM) 9 9 3 Yes Analysis
11 Moja Chess Extravaganza 2025 (Blitz) 2025-04-26 2025-04-26 Blitz Johannesburg Metro (GJM) 7 6 3 Yes Analysis
12 South African Junior Closed Chess Championships 2025 (U14 Open) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 4.5 Yes Analysis
13 Pearson High Chess Festival 2025 (B) 2025-02-21 2025-02-22 Standard Nelson Mandela Bay (ENM) 5 5 5 Yes Analysis
14 NMBCU vs BCC Derby Chess Invitational 2025 (U14) 2025-01-10 2025-01-11 Standard Nelson Mandela Bay (ENM) 5 5 3.5 Yes Analysis
15 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A) 2025-01-12 2025-01-12 Blitz Nelson Mandela Bay (ENM) 9 9 6 Yes Analysis
16 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 5 Yes Analysis
17 NMBCU Closed 2024 (U14) 2024-09-20 2024-09-21 Standard Nelson Mandela Bay (ENM) 6 6 5 Yes Analysis
18 2024 UCC Mind Over Board (B) 2024-08-30 2024-09-01 Standard Nelson Mandela Bay (ENM) 5 5 4.5 Yes Analysis
19 NMBCU Trial 5 2024 (U14) 2024-08-16 2024-08-17 Standard Nelson Mandela Bay (ENM) 6 6 4 Yes Analysis
20 NMB Open 2024 (B) 2024-08-03 2024-08-04 Standard Nelson Mandela Bay (ENM) 6 6 4 Yes Analysis
21 Karen Ashworth 2024 (A) 2024-07-19 2024-07-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
22 NMBCU Trials 4 2024 (U14) 2024-07-12 2024-07-13 Standard Nelson Mandela Bay (ENM) 6 6 5.5 Yes Analysis
23 Willow Academy 2024 (B) 2024-06-22 2024-06-22 Rapid Nelson Mandela Bay (ENM) 6 6 4 Yes Analysis
24 NMBCU Trial 3 2024 (U14) 2024-05-10 2024-05-11 Standard Nelson Mandela Bay (ENM) 6 6 4.5 Yes Analysis
25 NMBCU Trials 2 2024 (U14) 2024-04-12 2024-04-13 Standard Nelson Mandela Bay (ENM) 6 6 4 Yes Analysis
26 Township Chess Academy Open 2024 (A) 2024-03-21 2024-03-21 Standard Nelson Mandela Bay (ENM) 5 5 3 Yes Analysis
27 UCC Strategic Moves 2024 (B) 2024-03-08 2024-03-09 Standard Nelson Mandela Bay (ENM) 5 5 4 Yes Analysis
28 Madibaz Chess Tournament 2024 (B) 2024-03-01 2024-03-02 Standard Nelson Mandela Bay (ENM) 5 5 4.5 Yes Analysis
29 YCA Otto Du Plessis Rapid 2024 (B) 2024-02-03 2024-02-03 Rapid Nelson Mandela Bay (ENM) 5 5 5 Yes Analysis
30 NMBCU Trials 1 2024 (U14) 2024-02-16 2024-02-16 Standard Nelson Mandela Bay (ENM) 6 6 5 Yes Analysis
31 Pearson Open Chess Tournament 2024 (B) 2024-02-23 2024-02-24 Standard Nelson Mandela Bay (ENM) 5 5 4 Yes Analysis
32 Eastern Cape Provincial Individual Championship 2023 (U14 Boys) 2023-10-05 2023-10-05 Standard Nelson Mandela Bay (ENM) 7 7 5 Yes Analysis
33 Eastern Cape Chess Team Championship 2023 (U14) 2023-10-07 2023-10-08 Standard Sarah Baartman (ESB) 5 4 2 Yes Analysis
34 NMBCU Closed 2023 (U14) 2023-08-11 2023-08-12 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
35 Junior Chess Battles Blitz 2023 (B) 2023-07-16 2023-07-16 Blitz Nelson Mandela Bay (ENM) 7 7 4 Yes Analysis
36 Junior Chess Battles Classical 2023 (U16) 2023-07-15 2023-07-16 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
37 NMBCU Trial 4 2023 (U14) 2023-07-28 2023-07-29 Standard Nelson Mandela Bay (ENM) 6 5 3 Yes Analysis
38 EP Trials 3 2023 (U14) 2023-05-05 2023-05-06 Standard Nelson Mandela Bay (ENM) 6 6 2.5 Yes Analysis
39 Youth Chess Acadamy Rapid Tournament 2023 (B) 2023-03-11 2023-03-11 Rapid Nelson Mandela Bay (ENM) 5 5 3 Yes Analysis
40 NMB 2nd Trials 2023 (U14) 2023-03-24 2023-03-25 Standard Nelson Mandela Bay (ENM) 6 6 3.5 Yes Analysis
41 2022 Madibaz Physics Chess Open (D) 2022-10-07 2022-10-08 Rapid Nelson Mandela Bay (ENM) 7 7 4 Yes Analysis
42 2022 NMBCU Closed 2022 (U12) 2022-08-19 2022-08-20 Standard Nelson Mandela Bay (ENM) 5 4 1.5 Yes Analysis
43 2022 NMBCU Trial 4 (U12) 2022-08-12 2022-08-13 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
44 NMBCU Trial 3 2022 (U12) 2022-07-22 2022-07-23 Standard Nelson Mandela Bay (ENM) 6 5 2.5 Yes Analysis
45 2022 NMB Junior Trials 2 (U12) 2022-05-13 2022-05-14 Standard Nelson Mandela Bay (ENM) 6 5 1 Yes Analysis
46 Nelson Mandela University Open Rapid Tournament 2018 2018-10-06 2018-10-06 Rapid Nelson Mandela Bay (ENM) 6 2 0 Yes Analysis

Top 3 Streaks

# Games Start End
1 11 Tournament
Mzansi Interprovincial Youth Chess Championships 2024
Tournament
NMBCU vs BCC Derby Chess Invitational 2025
date
2024-12-17
rnd
3
type
Standard
result
1
date
2025-01-12
rnd
1
type
Blitz
result
1
Opponent
Naidoo, S (Shivam)
Opponent
Bezuidenhout, M (Michyle)
2 10 Tournament
2024 UCC Mind Over Board
Tournament
NMBCU Closed 2024
date
2024-08-30
rnd
1
type
Standard
result
1
date
2024-09-21
rnd
5
type
Standard
result
1
Opponent
Brandt, S (Shannon)
Opponent
Chipunza, J (Jared)
3 9 Tournament
Willow Academy 2024
Tournament
Karen Ashworth 2024
date
2024-06-22
rnd
5
type
Rapid
result
1
date
2024-07-19
rnd
1
type
Standard
result
1
Opponent
Surmon, E (Ethan)
Opponent
Jamela, S (Siyabulela)
# Games Start End
1 17 Tournament
Mzansi Interprovincial Youth Chess Championships 2024
Tournament
South African Junior Closed Chess Championships 2025
date
2024-12-17
rnd
3
type
Standard
result
1
date
2025-03-31
rnd
2
type
Standard
result
1
Opponent
Naidoo, S (Shivam)
Opponent
Radloff, H (Hunther)
2 15 Tournament
NMBCU Trials 2 2024
Tournament
Karen Ashworth 2024
date
2024-04-13
rnd
5
type
Standard
result
0.5
date
2024-07-19
rnd
1
type
Standard
result
1
Opponent
Clainos, S (Spiro)
Opponent
Jamela, S (Siyabulela)
3 10 Tournament
2024 UCC Mind Over Board
Tournament
NMBCU Closed 2024
date
2024-08-30
rnd
1
type
Standard
result
1
date
2024-09-21
rnd
5
type
Standard
result
1
Opponent
Brandt, S (Shannon)
Opponent
Chipunza, J (Jared)
# Games Start End
1 7 Tournament
Youth Chess Acadamy Rapid Tournament 2023
Tournament
Willow Academy 2024
date
2023-03-11
rnd
5
type
Rapid
result
1
date
2024-06-22
rnd
1
type
Rapid
result
1
Opponent
Quiggin, T (Tristan)
Opponent
Mabutho, S (Simingayo)
2 4 Tournament
2022 Madibaz Physics Chess Open
Tournament
2022 Madibaz Physics Chess Open
date
2022-10-08
rnd
3
type
Rapid
result
1
date
2022-10-08
rnd
6
type
Rapid
result
1
Opponent
Sihewula, A (Achuma)
Opponent
Manley, D (David Luc)
3 2 Tournament
Willow Academy 2024
Tournament
Willow Academy 2024
date
2024-06-22
rnd
5
type
Rapid
result
1
date
2024-06-22
rnd
6
type
Rapid
result
1
Opponent
Surmon, E (Ethan)
Opponent
Claassen, E (Enrique)
# Games Start End
1 4 Tournament
NMBCU vs BCC Derby Chess Invitational 2025
Tournament
NMBCU vs BCC Derby Chess Invitational 2025
date
2025-01-12
rnd
5
type
Blitz
result
1
date
2025-01-12
rnd
8
type
Blitz
result
1
Opponent
Mtshekexe, U (Usemhle)
Opponent
Mazikana, E (Ethan)
2 3 Tournament
Junior Chess Battles Blitz 2023
Tournament
NMBCU vs BCC Derby Chess Invitational 2025
date
2023-07-16
rnd
6
type
Blitz
result
0.5
date
2025-01-12
rnd
1
type
Blitz
result
1
Opponent
Prinsloo, L (Liam)
Opponent
Bezuidenhout, M (Michyle)
3 3 Tournament
Junior Chess Battles Blitz 2023
Tournament
Junior Chess Battles Blitz 2023
date
2023-07-16
rnd
2
type
Blitz
result
1
date
2023-07-16
rnd
4
type
Blitz
result
0.5
Opponent
Driscoll, J (Jessica Darby)
Opponent
Chipunza, J (Jaden)
# Games Start End
1 8 Tournament
2024 UCC Mind Over Board
Tournament
NMBCU Closed 2024
date
2024-08-31
rnd
3
type
Standard
result
1
date
2024-09-21
rnd
5
type
Standard
result
1
Opponent
Ntsinde, M (Mila)
Opponent
Chipunza, J (Jared)
2 8 Tournament
Eastern Cape Chess Team Championship 2023
Tournament
NMBCU Trials 1 2024
date
2023-10-08
rnd
5
type
Standard
result
1
date
2024-02-16
rnd
2
type
Standard
result
1
Opponent
Booysen, CL (Carli Lucia)
Opponent
Claassen, E (Enrique)
3 7 Tournament
Pearson High Chess Festival 2025
Tournament
South African Junior Closed Chess Championships 2025
date
2025-02-21
rnd
1
type
Standard
result
1
date
2025-03-31
rnd
2
type
Standard
result
1
Opponent
Reid, L (Liam)
Opponent
Radloff, H (Hunther)
# Games Start End
1 8 Tournament
2024 UCC Mind Over Board
Tournament
NMBCU Closed 2024
date
2024-08-31
rnd
3
type
Standard
result
1
date
2024-09-21
rnd
5
type
Standard
result
1
Opponent
Ntsinde, M (Mila)
Opponent
Chipunza, J (Jared)
2 7 Tournament
Pearson High Chess Festival 2025
Tournament
South African Junior Closed Chess Championships 2025
date
2025-02-21
rnd
1
type
Standard
result
1
date
2025-03-31
rnd
2
type
Standard
result
1
Opponent
Reid, L (Liam)
Opponent
Radloff, H (Hunther)
3 7 Tournament
NMBCU Trials 1 2024
Tournament
Pearson Open Chess Tournament 2024
date
2024-02-16
rnd
4
type
Standard
result
1
date
2024-02-24
rnd
4
type
Standard
result
1
Opponent
Boggenpoel, B (Blake)
Opponent
Nell, C (Chelsea Jane)
# Games Start End
1 7 Tournament
Youth Chess Acadamy Rapid Tournament 2023
Tournament
Willow Academy 2024
date
2023-03-11
rnd
5
type
Rapid
result
1
date
2024-06-22
rnd
1
type
Rapid
result
1
Opponent
Quiggin, T (Tristan)
Opponent
Mabutho, S (Simingayo)
2 4 Tournament
2022 Madibaz Physics Chess Open
Tournament
2022 Madibaz Physics Chess Open
date
2022-10-08
rnd
3
type
Rapid
result
1
date
2022-10-08
rnd
6
type
Rapid
result
1
Opponent
Sihewula, A (Achuma)
Opponent
Manley, D (David Luc)
3 2 Tournament
Willow Academy 2024
Tournament
Willow Academy 2024
date
2024-06-22
rnd
5
type
Rapid
result
1
date
2024-06-22
rnd
6
type
Rapid
result
1
Opponent
Surmon, E (Ethan)
Opponent
Claassen, E (Enrique)
# Games Start End
1 4 Tournament
NMBCU vs BCC Derby Chess Invitational 2025
Tournament
NMBCU vs BCC Derby Chess Invitational 2025
date
2025-01-12
rnd
5
type
Blitz
result
1
date
2025-01-12
rnd
8
type
Blitz
result
1
Opponent
Mtshekexe, U (Usemhle)
Opponent
Mazikana, E (Ethan)
2 2 Tournament
Junior Chess Battles Blitz 2023
Tournament
NMBCU vs BCC Derby Chess Invitational 2025
date
2023-07-16
rnd
7
type
Blitz
result
1
date
2025-01-12
rnd
1
type
Blitz
result
1
Opponent
Makonza, A (Abenathi)
Opponent
Bezuidenhout, M (Michyle)
3 2 Tournament
Junior Chess Battles Blitz 2023
Tournament
Junior Chess Battles Blitz 2023
date
2023-07-16
rnd
2
type
Blitz
result
1
date
2023-07-16
rnd
3
type
Blitz
result
1
Opponent
Driscoll, J (Jessica Darby)
Opponent
Smith, A (Andre)

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Banda ,B (Benjamin) 9 1.5 -283.3 9 1.5 -283.3 0 0 0 0 0 0
1475.4 1192 1486.3 1192 0 0 0 0
2 Clainos ,S (Spiro) 6 2 -141.7 6 2 -141.7 0 0 0 0 0 0
1568 1426.4 1568.2 1426.4 0 0 0 0
3 Blandy ,L (Levi) 5 3 85 5 3 85 0 0 0 0 0 0
1379.7 1464.7 1388.9 1464.7 0 0 0 0
4 Coetzee ,S (Schalk) 5 1 -255 5 1 -255 0 0 0 0 0 0
1335.9 1080.9 1323 1080.9 0 0 0 0
5 Ackerdien ,S (Saud) 5 2 -85 5 2 -85 0 0 0 0 0 0
1364.6 1279.6 1360.9 1279.6 0 0 0 0
6 Chipunza ,J (Jared) 5 3.5 170 4 3.5 318.8 1 0 -425 0 0 0
1481.9 1651.9 1529.6 1800.6 1181.6 1056.9 0 0
7 Step ,N (Nicholas) 5 4 255 4 3 212.5 1 1 425 0 0 0
1581.2 1836.2 1538.8 1793.7 1200 2006.2 0 0
8 Mclachlan ,G (Geoffrey) 5 4 255 3 3 425 2 1 0 0 0 0
1481.4 1736.4 1470 1906.4 1263.4 1481.4 0 0
9 Nell ,C (Chelsea Jane) 4 2.5 106.2 4 2.5 106.2 0 0 0 0 0 0
1414.5 1520.8 1419.9 1520.8 0 0 0 0
10 Claassen ,E (Enrique) 4 3 212.5 3 2 141.7 1 1 425 0 0 0
1481.6 1694.1 1488 1623.2 1426 1906.6 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa