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

PLAYER PAGE

Samuel Chang

110088674
Buffalo City (EBC)
Personal
Main rating
Rating 1734
K-factor 28
Floor 1246.2
Highest 1746.2 (2026-04-01)
Min/Max +/- allowed 76
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1660.2
Final +/- 0
New Rating
()
Rating 1734
K-factor 28
Floor 1246.2
Highest 1746.2 (2026-04-01)
Min/Max +/- allowed 76.1
Standard rating
Rating 1729.5
K-factor 28
Floor 1247
Highest 1747 (2026-04-01)
Min/Max +/- allowed 76.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1660.2
Final +/- 0
New Rating
()
Rating 1729.5
K-factor 28
Floor 1247
Highest 1747 (2026-04-01)
Min/Max +/- allowed 76.1
Rapid rating
Rating 1249
K-factor 36
Floor 749
Highest 1249 (2024-02-01)
Min/Max +/- allowed 154.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 896
Final +/- 0
New Rating
()
Rating 1249
K-factor 36
Floor 749
Highest 1249 (2024-02-01)
Min/Max +/- allowed 154.6
Blitz rating
Rating 1309.1
K-factor 36
Floor 809.1
Highest 1309.1 (2025-05-05)
Min/Max +/- allowed 141.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1309.1
K-factor 36
Floor 809.1
Highest 1309.1 (2025-05-05)
Min/Max +/- allowed 141.9
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 Buffalo City Chess Trials 5 (U18) Standard 2026-07-11 2026-07-11 Buffalo City (EBC) 5 1730.1 5 4 1763.1 3.9 Details
2 2026 Buffalo City Chess Trials 4 (U18) Standard 2026-05-29 2026-05-30 Buffalo City (EBC) 5 1746.2 4 2.5 1557 -16.1 Details
3 Eastern Cape Open 2026 (Open) Standard 2026-04-10 2026-04-12 Buffalo City (EBC) 7 1710.4 7 4 1833 19.4 Details
4 South African Junior Closed Chess Championship 2026 (U16 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1710.4 9 5.5 1761.4 16.4 Details
5 Grey College Team Championship 2026 (Prestige) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1714.9 5 4 1663.5 -3.2 Details
6 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1693.9 6 4.5 1788.5 11.8 Details
7 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1693.9 6 3.5 1720.4 3.2 Details
8 EC Closed 2025 (U16 Open) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1654 6 5 1868.1 28.6 Details
9 2025 Buffalo City Chess Trials 3 (U16) Standard 2025-05-10 2025-05-10 Buffalo City (EBC) 5 1658.7 4 4 1761.6 8.6 Details
10 EC Open 2025 (Open) Standard 2025-05-02 2025-05-02 Buffalo City (EBC) 7 1658.7 7 4 1574.2 -12 Details
11 UFH Open 2025 (A) Standard 2025-04-19 2025-04-19 Buffalo City (EBC) 7 1625.4 6 4 1603.2 -2.6 Details
12 UFH Open 2025 (Blitz) Blitz 2025-04-18 2025-04-18 Buffalo City (EBC) 7 1625.4 7 4 1686.5 2.1 Details
13 South African Junior Closed Chess Championships 2025 (U16 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1625.4 9 4.5 1713.2 17.6 Details
14 2025 Buffalo City Chess Trials 1 (U16) Standard 2025-03-22 2025-03-22 Buffalo City (EBC) 5 1625.4 5 5 1684.3 6.8 Details
15 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1560.9 7 4.5 1655.2 14.8 Details
16 EL Junior Closed 2024 (U16) Standard 2024-11-23 2024-11-23 Buffalo City (EBC) 5 1560.9 5 4.5 1716.7 16.1 Details
17 East London Open 2024 (A) Standard 2024-10-04 2024-10-05 Buffalo City (EBC) 5 1549.7 4 2 1655.8 8 Details
18 5th BC Trials 2024 (U18-Adult) Standard 2024-08-24 2024-08-24 Buffalo City (EBC) 5 1535.6 5 3.5 1629.9 10.1 Details
19 BC 4th HS Trials 204 (U18-Adult) Standard 2024-07-20 2024-07-20 Buffalo City (EBC) 5 1604.1 5 3 1520.7 -7.1 Details
20 South African Open Chess Championship 2024 (A) Classical 2024-06-29 2024-07-07 Ethekwini (KED) 11 1604.1 11 5 1455 -41.8 Details
21 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1584.5 9 4.5 1656.4 14 Details
22 South African Junior Closed Chess Championship 2024 (U14 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1554.2 9 5.5 1702 32.4 Details
23 BC Chess HS Trials 3 2024 (U18-Adult) Standard 2024-05-04 2024-05-04 Buffalo City (EBC) 5 1554.2 5 3 1434.5 -10.8 Details
24 UFH Open 2024 (A) Standard 2024-04-13 2024-04-14 Amathole (EAL) 7 1529.2 7 4 1707.5 17.8 Details
25 Grey College Team Championship 2024 (A) Standard 2024-02-23 2024-02-24 Mangaung (FMB) 5 1543.6 5 2.5 1429.4 -10.3 Details
26 Chess Vikings VP-Mall Blitz 2024 (A) Blitz 2024-01-27 2024-01-27 Buffalo City (EBC) 9 1554.2 9 4 1414.3 -7.5 Details
27 Chess Vikings Exam Rapid 2023 (A) Rapid 2023-11-04 2023-11-04 Buffalo City (EBC) 7 1556.8 6 2.5 1528.8 -1.9 Details
28 4th BC HS Trials 2023 (U18A-Adult) Standard 2023-08-26 2023-08-26 Cape Winelands (WCW) 5 1576.3 5 3 1414.1 -13.8 Details
29 2023 SA Schools Winter Games (U15 Open) Standard 2023-07-04 2023-07-06 West Rand (GWR) 7 1616.8 7 3.5 1408.9 -29 Details
30 Youth Day Chess Festival 2023 (B) Standard 2023-06-24 2023-06-24 Buffalo City (EBC) 5 1481.8 5 5 1790.4 33.4 Details
31 2023 EC Schools Provincial Winter Games (U15 Boys) Standard 2023-06-02 2023-06-03 Buffalo City (EBC) 6 1481.8 6 5 1692 24.7 Details
32 EL Schools Winter Trials 2023 (U15 Boys) Standard 2023-05-13 2023-05-13 Buffalo City (EBC) 5 1457.6 5 4 1531.8 8.1 Details
33 2023 BCM Schools Winter Games District Championships (U15 Boys) Standard 2023-05-20 2023-05-20 Buffalo City (EBC) 5 1457.6 5 3.5 1535.5 7 Details
34 BC Chess Trials 1 of 5 2023 (Prestige) Standard 2023-04-29 2023-04-29 Buffalo City (EBC) 5 1494 4 0 1088.7 -30.2 Details
35 2023 South African Junior Closed Chess Championships (U14 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1494 9 4.5 1525 7.4 Details
36 3rd Vikings Champs 2023 (Prestige) Standard 2023-03-25 2023-03-25 Buffalo City (EBC) 5 1501.2 5 2.5 1445.9 -4.6 Details
37 2nd Master Vikings 2023 Standard 2023-02-23 2023-02-23 Buffalo City (EBC) 5 1536.8 5 2 1469.3 -7.3 Details
38 Master Vikings 2023 Standard 2023-02-11 2023-02-11 Buffalo City (EBC) 5 1536.8 5 2 1389 -15.1 Details
39 2022 South African Junior Wild Card Chess Championships (U14 Open) Classical 2022-12-09 2022-12-12 4 Knights (4K) 7 1443.7 7 6 1693.7 42.2 Details
40 2022 South African Junior Team Chess Championships (U14 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1443.7 7 4 1537.4 16.2 Details
41 Slum Knights 5th 2022 (Open) Standard 2022-10-22 2022-10-22 Buffalo City (EBC) 5 1436.3 5 3 1476.8 4.6 Details
42 Slum Knights 2022 (A) Rapid 2022-08-06 2022-08-06 Buffalo City (EBC) 5 1424.7 5 3.5 1524.4 7.2 Details
43 BC Chess Trials 5 of 5 2022 (A) Rapid 2022-06-11 2022-06-11 Buffalo City (EBC) 10 1439.4 10 5 1320.6 -9.1 Details
44 BC Chess 4th Border Trials 2022 (A) Rapid 2022-05-21 2022-05-21 Buffalo City (EBC) 10 1428.6 10 6 1509.8 6.9 Details
45 South African Junior Closed Chess Championships 2022 (U12 Open) Classical 2022-03-28 2022-04-02 Chess South Africa (CSA) 11 1430.5 11 5.5 1428.5 -1.4 Details
46 BC Trials 2 2022 (U18-Open) Standard 2022-02-19 2022-02-19 Buffalo City (EBC) 5 1450.4 5 3 1373.5 -2.8 Details
47 BC Trials 1 2022 (U18A+Open) Standard 2022-02-11 2022-02-11 Buffalo City (EBC) 5 1450.4 5 3 1350 -9.6 Details
48 2021 Eastern Cape Schools Provincial Summer Championships (Boys) Standard 2021-10-29 2021-10-30 Buffalo City (EBC) 6 1344.3 6 5 1512.8 19.9 Details
49 2021 BCM Schools Closed Standard 2021-10-16 2021-10-16 Buffalo City (EBC) 5 1344.3 5 4 1568.9 22.6 Details
50 Young Buffalos Closed 2021 (A) Standard 2021-09-11 2021-09-11 Buffalo City (EBC) 5 1335 5 3 1379.3 5 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 30
Wins 16
Draws 8
Losses 6
White 15
Black 15
White wins 8
Black wins 8
Score 20
Percent 66.7
Dp 141.7
AOR 1593.2
Performance 1734.8
Game statistics (History)
Games 616
Wins 328
Draws 47
Losses 241
White 305
Black 311
White wins 166
Black wins 162
Score 351.5
Percent 57.1
Dp 60
AOR 1295.8
Performance 1355.9
Rankings (Main)
National
Overall 435
Gender 405
Age group 39
Gender/Age 36
Provincial
Overall 32
Gender 30
Age group 3
Gender/Age 3
Regional
Overall 11
Gender 11
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 424
Gender 395
Age group 35
Gender/Age 32
Provincial
Overall 26
Gender 24
Age group 2
Gender/Age 2
Regional
Overall 9
Gender 9
Age group 1
Gender/Age 1
Rankings (Rapid)
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
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 30
Score 20
Percent 66.7
Aor 1593.2
Dp 141.7
Prat 1734.8
Performance (12 months)
Games 42
Score 28
Percent 66.7
Aor 1598.8
Dp 141.7
Prat 1740.4
Performance (History)
Games 616
Score 351.5
Percent 57.1
Aor 1295.8
Dp 60
Prat 1355.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Sibanda, T (Takudzwa) 11 7 4 Swiss Vikings vs South Park 1st 2018 BC Chess Trials 1 of 5 2023 (Prestige) Details
Overall 2 Lin, C (Chenyi) 10 2 8 3rd Buffalo Trials 2018 (U12A) East London Open 2024 (A) Details
Overall 3 Botha, T (Tyler) 10 3 7 Vikings League 4 of 6 2019 (B) 2026 Buffalo City Chess Trials 4 (U18) Details
Overall 4 Pearson, E (Ethan) 9 2 7 Vikings League 3 of 6 2019 (A) EL Schools Winter Trials 2023 (U15 Boys) Details
Overall 5 Becker, M (Matthew) 9 5 4 3rd Border Vikings Chess League 2018 (A) BC Chess HS Trials 3 2024 (U18-Adult) Details
Standard 1 Botha, T (Tyler) 10 3 7 Vikings League 4 of 6 2019 (B) 2026 Buffalo City Chess Trials 4 (U18) Details
Standard 2 Sibanda, T (Takudzwa) 9 7 2 Swiss Vikings vs South Park 1st 2018 BC Chess Trials 1 of 5 2023 (Prestige) Details
Standard 3 Becker, M (Matthew) 8 4 4 3rd Border Vikings Chess League 2018 (A) BC Chess HS Trials 3 2024 (U18-Adult) Details
Standard 4 Lin, C (Chenyi) 7 2 5 Buffalo City Trials 4 of 5 2019 (U14A) East London Open 2024 (A) Details
Standard 5 Sparg, N (Nathan) 7 4 3 Buffalo City Trials 1 of 5 2019 (U16) 3rd Vikings Champs 2023 (Prestige) Details
Rapid 1 Pearson, D (Dane) 3 2 1 BC Chess 4th Border Trials 2022 (A) Chess Vikings Exam Rapid 2023 (A) Details
Rapid 2 Chang, S (Sebastian) 3 1 2 Vikings Closed Sunday Rapid 2018 BC Chess 4th Border Trials 2022 (A) Details
Rapid 3 Meise, K (Keagen) 3 1 2 Vikings Rapid 2 of 2 2019 Slum Knights 2022 (A) Details
Rapid 4 Becker, R (Robyn) 3 1 2 Vikings Closed Sunday Rapid 2018 BC Chess Trials 5 of 5 2022 (A) Details
Rapid 5 Lin, C (Chenyi) 3 0 3 3rd Buffalo Trials 2018 (U12A) BC Chess Trials 5 of 5 2022 (A) Details
Blitz 1 Mafanya, K (Kulasande) 2 0 2 2019 UFH Heritage (Blitz) UFH Open 2025 (Blitz) Details