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

PLAYER PAGE

Joel Jacobs

1150146349
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1572.6
K-factor 32
Floor 1087.7
Highest 1587.7 (2026-08-01)
Min/Max +/- allowed 95
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1510.9
Final +/- 0
New Rating
()
Rating 1572.6
K-factor 32
Floor 1087.7
Highest 1587.7 (2026-08-01)
Min/Max +/- allowed 95.4
Standard rating
Rating 1571.9
K-factor 32
Floor 1087.3
Highest 1587.3 (2026-04-01)
Min/Max +/- allowed 95.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1515.4
Final +/- 0
New Rating
()
Rating 1571.9
K-factor 32
Floor 1087.3
Highest 1587.3 (2026-04-01)
Min/Max +/- allowed 95.5
Rapid rating
Rating 1317
K-factor 36
Floor 784.2
Highest 1437.1 (2024-11-01)
Min/Max +/- allowed 118.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1317
K-factor 36
Floor 784.2
Highest 1437.1 (2024-11-01)
Min/Max +/- allowed 118.3
Blitz rating
Rating 1102.4
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 1102.4
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 NMB Closed 2026 (U12) Standard 2026-08-15 2026-08-15 Nelson Mandela Bay (ENM) 5 1572.6 5 2.5 1485.2 -15.1 Details
2 Checkmate in Gqeberha 2026 (U12) Rapid 2026-07-11 2026-07-11 Nelson Mandela Bay (ENM) 6 1587.3 6 4 1588.9 0.4 Details
3 2026 NMBCU Trials 4 (U12) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1513.3 5 3.5 1623.4 18.4 Details
4 NMBCU Trials 3 2026 (U12) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1513.3 5 4 1670.4 25.8 Details
5 2026 NMBCU Trials 2 (U12) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1494.3 6 4 1564.6 13.3 Details
6 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1456.7 6 3 1460.5 0.6 Details
7 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1456.7 6 4.5 1665.2 23.1 Details
8 EC Closed 2025 (U12 Boys) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1494.3 6 3 1455.8 -5.1 Details
9 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1407 6 5.5 1774.2 43 Details
10 Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1407 3 1 1301.4 -7 Details
11 NMBCU Closed 2025 (U12) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1404.2 6 3 1419.7 1.8 Details
12 NMBCU Open 2025 (C) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1396.4 0 0 0 0 Details
13 NMBCU Trial 4 2025 (U12) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1396.4 6 3 1426.5 4.8 Details
14 NMB 3rd Trials 2025 (U12) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1392.4 6 4 1448 5.3 Details
15 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1392.4 9 3.5 1376.3 -2.8 Details
16 NMB 2nd Trials 2025 (U12) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1427 5 2.5 1210.4 -21.6 Details
17 Pearson High Chess Festival 2025 (C) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1459.8 5 3 1322.5 -13.9 Details
18 NMBCH Trial 1 2025 (U12) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1459.8 6 4 1400.9 -6.6 Details
19 NMBCU vs BCC Derby Chess Invitational 2025 (U10) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1455.6 5 3 1488.4 2.6 Details
20 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1417.8 7 5 1555.6 23.6 Details
21 Grey Junior School Chess Team Championship 2024 (Junior) Rapid 2024-11-02 2024-11-02 Nelson Mandela Bay (ENM) 6 1419.5 6 4 1406.5 -1.1 Details
22 NMBCU Top Schools Final 2024 (Primary School) Standard 2024-10-19 2024-10-29 Nelson Mandela Bay (ENM) 3 1416.9 3 2 1359.8 -4 Details
23 NMBCU Top Schools 2024 (Senior Primary) Rapid 2024-10-12 2024-10-12 Nelson Mandela Bay (ENM) 5 1416.9 5 4 1473.1 5.6 Details
24 NMBCU Closed 2024 (U10) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1420.2 6 4 1400.8 -2 Details
25 NMBCU Trial 5 2024 (U8+U10) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1402.7 6 4 1483.5 11 Details
26 NMBCU Trials 4 2024 (U10) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1397.4 6 4 1410.8 1.7 Details
27 NMBCU Trial 3 2024 (U10) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1413.3 6 3.5 1313.3 -10 Details
28 NMBCU Trials 2 2024 (U10) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1327.8 6 6 1660.9 39 Details
29 Sams Easter Invitational 1 2024 Standard 2024-03-27 2024-03-27 Nelson Mandela Bay (ENM) 6 1341.2 6 3 1430.4 10.3 Details
30 Chess Lovers Invitational March 2024 Standard 2024-03-20 2024-03-21 Nelson Mandela Bay (ENM) 7 1341.2 7 2 1207.6 -17.8 Details
31 NMBCU Trials 1 2024 (U10) Standard 2024-02-16 2024-02-17 Nelson Mandela Bay (ENM) 6 1322.1 6 5 1597.7 32.4 Details
32 Pearson Open Chess Tournament 2024 (C) Standard 2024-02-23 2024-02-24 Nelson Mandela Bay (ENM) 5 1322.1 5 2 1107.4 -21.6 Details
33 Eastern Cape Provincial Individual Championship 2023 (U10 Boys) Standard 2023-10-05 2023-10-05 Nelson Mandela Bay (ENM) 7 1188.6 7 4 1369.2 24.6 Details
34 Eastern Cape Chess Team Championship 2023 (U10) Standard 2023-10-07 2023-10-08 Sarah Baartman (ESB) 5 1188.6 3 3 1553.9 21.3 Details
35 NMBCU Closed 2023 (U10) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1234.6 6 1.5 1015.9 -25.6 Details
36 NMBCU Trial 4 2023 (U10) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 6 1197.5 6 4 1360 20.4 Details
37 EP Trials 3 2023 (U10) Standard 2023-05-05 2023-05-06 Nelson Mandela Bay (ENM) 6 1202.6 6 3 1177.3 -3 Details
38 NMB 1st Trials 2023 (U8+U10) Standard 2023-02-17 2023-02-18 Nelson Mandela Bay (ENM) 6 1189 6 3.5 1248.2 7 Details
39 PECC Blitz Closed 2022 Blitz 2022-08-11 2022-08-18 Nelson Mandela Bay (ENM) 9 1200 9 3 1049.8 -5.6 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 27
Wins 17
Draws 2
Losses 8
White 12
Black 15
White wins 7
Black wins 10
Score 18
Percent 66.7
Dp 141.7
AOR 1444.1
Performance 1585.8
Game statistics (History)
Games 220
Wins 123
Draws 17
Losses 80
White 108
Black 112
White wins 65
Black wins 58
Score 131.5
Percent 59.8
Dp 83.1
AOR 1328.6
Performance 1411.7
Rankings (Main)
National
Overall 1277
Gender 1156
Age group 91
Gender/Age 79
Provincial
Overall 133
Gender 121
Age group 11
Gender/Age 10
Regional
Overall 58
Gender 53
Age group 7
Gender/Age 7
Rankings (Standard)
National
Overall 1180
Gender 1066
Age group 88
Gender/Age 77
Provincial
Overall 117
Gender 108
Age group 9
Gender/Age 8
Regional
Overall 47
Gender 43
Age group 6
Gender/Age 6
Rankings (Rapid)
National
Overall 1863
Gender 1552
Age group 261
Gender/Age 208
Provincial
Overall 166
Gender 136
Age group 20
Gender/Age 17
Regional
Overall 41
Gender 38
Age group 6
Gender/Age 6
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 27
Score 18
Percent 66.7
Aor 1444.1
Dp 141.7
Prat 1585.8
Performance (12 months)
Games 39
Score 25.5
Percent 65.4
Aor 1447.9
Dp 130.8
Prat 1578.7
Performance (History)
Games 220
Score 131.5
Percent 59.8
Aor 1328.6
Dp 83.1
Prat 1411.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stander, CL (Cael Lelethu) 10 5 5 NMBCU Trial 3 2024 (U10) NMB Closed 2026 (U12) Details
Overall 2 King, J (Jaymie) 9 5 4 NMBCU Trial 4 2023 (U10) Grey Junior School Chess Team Championship 2024 (Junior) Details
Overall 3 Hugo, K (Kian) 7 4 3 NMBCU Trial 3 2024 (U10) Checkmate in Gqeberha 2026 (U12) Details
Overall 4 Furniss, T (Tyler) 7 1 6 NMBCU Closed 2023 (U10) Checkmate in Gqeberha 2026 (U12) Details
Overall 5 Boggenpoel, L (Levi) 6 2 4 NMB 1st Trials 2023 (U8+U10) NMBCU Closed 2025 (U12) Details
Standard 1 Stander, CL (Cael Lelethu) 10 5 5 NMBCU Trial 3 2024 (U10) NMB Closed 2026 (U12) Details
Standard 2 King, J (Jaymie) 7 4 3 NMBCU Trial 4 2023 (U10) NMBCU Closed 2024 (U10) Details
Standard 3 Boggenpoel, L (Levi) 6 2 4 NMB 1st Trials 2023 (U8+U10) NMBCU Closed 2025 (U12) Details
Standard 4 Verwey, M (Malan) 6 2 4 NMBCU Trials 1 2024 (U10) 2026 NMBCU Trials 2 (U12) Details
Standard 5 Hugo, K (Kian) 6 3 3 NMBCU Trial 3 2024 (U10) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) Details
Rapid 1 King, J (Jaymie) 2 1 1 Grey Junior School Chess Team Championship 2024 (Junior) Grey Junior School Chess Team Championship 2024 (Junior) Details
Rapid 2 Van Dyk, B (Ben) 2 1 1 Grey Junior School Chess Team Championship 2024 (Junior) Grey Junior School Chess Team Championship 2024 (Junior) Details
Rapid 3 Fourie, A (Andre) 2 1 1 Grey Junior School Chess Team Championship 2024 (Junior) Grey Junior School Chess Team Championship 2024 (Junior) Details