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

PLAYER PAGE

Joel Jacobs

1150146349
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1587.7
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 1535
Final +/- 0
New Rating
()
Rating 1587.7
K-factor 32
Floor 1087.7
Highest 1587.7 (2026-08-01)
Min/Max +/- allowed 95.4
Standard rating
Rating 1587.3
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 1543.8
Final +/- 0
New Rating
()
Rating 1587.3
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 NMBCU Open 2025 (C) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1396.4 0 0 0 0 Details
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 NMBCU Closed 2024 (U10) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1420.2 6 4 1400.8 -2 Details
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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 22
Wins 15
Draws 1
Losses 6
White 10
Black 12
White wins 7
Black wins 8
Score 15.5
Percent 70.5
Dp 173.9
AOR 1434.8
Performance 1608.6
Game statistics (History)
Games 215
Wins 121
Draws 16
Losses 78
White 106
Black 109
White wins 65
Black wins 56
Score 129
Percent 60
Dp 85
AOR 1325
Performance 1410
Rankings (Main)
National
Overall 1158
Gender 1052
Age group 75
Gender/Age 66
Provincial
Overall 116
Gender 108
Age group 7
Gender/Age 7
Regional
Overall 53
Gender 49
Age group 6
Gender/Age 6
Rankings (Standard)
National
Overall 1060
Gender 962
Age group 74
Gender/Age 66
Provincial
Overall 111
Gender 105
Age group 8
Gender/Age 8
Regional
Overall 49
Gender 45
Age group 6
Gender/Age 6
Rankings (Rapid)
National
Overall 1795
Gender 1508
Age group 245
Gender/Age 196
Provincial
Overall 149
Gender 129
Age group 20
Gender/Age 18
Regional
Overall 40
Gender 39
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 22
Score 15.5
Percent 70.5
Aor 1434.8
Dp 173.9
Prat 1608.6
Performance (12 months)
Games 40
Score 26
Percent 65
Aor 1444.5
Dp 127.5
Prat 1572
Performance (History)
Games 215
Score 129
Percent 60
Aor 1325
Dp 85
Prat 1410
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 King, J (Jaymie) 9 5 4 NMBCU Trial 4 2023 (U10) Grey Junior School Chess Team Championship 2024 (Junior) Details
Overall 2 Stander, CL (Cael Lelethu) 9 4 5 NMBCU Trial 3 2024 (U10) 2026 NMBCU Trials 4 (U12) Details
Overall 3 Furniss, T (Tyler) 7 1 6 NMBCU Closed 2023 (U10) Checkmate in Gqeberha 2026 (U12) Details
Overall 4 Hugo, K (Kian) 7 4 3 NMBCU Trial 3 2024 (U10) Checkmate in Gqeberha 2026 (U12) Details
Overall 5 Verwey, M (Malan) 6 2 4 NMBCU Trials 1 2024 (U10) 2026 NMBCU Trials 2 (U12) Details
Standard 1 Stander, CL (Cael Lelethu) 9 4 5 NMBCU Trial 3 2024 (U10) 2026 NMBCU Trials 4 (U12) Details
Standard 2 King, J (Jaymie) 7 4 3 NMBCU Trial 4 2023 (U10) NMBCU Closed 2024 (U10) Details
Standard 3 Verwey, M (Malan) 6 2 4 NMBCU Trials 1 2024 (U10) 2026 NMBCU Trials 2 (U12) Details
Standard 4 Hugo, K (Kian) 6 3 3 NMBCU Trial 3 2024 (U10) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) Details
Standard 5 Boggenpoel, L (Levi) 6 2 4 NMB 1st Trials 2023 (U8+U10) NMBCU Closed 2025 (U12) 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