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Chess SA Region AOC

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Caleb Johnson

107078828
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1554
K-factor 32
Floor 1072.3
Highest 1572.3 (2025-07-01)
Min/Max +/- allowed 98
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1437.6
Final +/- 0
New Rating
()
Rating 1554
K-factor 32
Floor 1072.3
Highest 1572.3 (2025-07-01)
Min/Max +/- allowed 97.6
Standard rating
Rating 1549.2
K-factor 32
Floor 1070.9
Highest 1570.9 (2025-07-01)
Min/Max +/- allowed 97.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1437.6
Final +/- 0
New Rating
()
Rating 1549.2
K-factor 32
Floor 1070.9
Highest 1570.9 (2025-07-01)
Min/Max +/- allowed 97.8
Rapid rating
Rating 1168
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 1168
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1347
K-factor 36
Floor 847
Highest 1537.8 (2023-07-01)
Min/Max +/- allowed 102.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1347
K-factor 36
Floor 847
Highest 1537.8 (2023-07-01)
Min/Max +/- allowed 102.5
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 St Peters College Sports & Cultural Festival 2025 Standard 2025-09-19 2025-09-20 Johannesburg Metro (GJM) 6 1557.4 6 3.5 1534.6 0 Details
2 JMC - Trinity Randpark Ridge 2025 (B) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1572.3 5 2.5 1468.3 0 Details
3 JMC Helpmekaar 2025 (B) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1553.4 5 4 1680.5 0 Details
4 Grey College Team Championship 2025 (Prestige) Standard 2025-02-21 2025-02-22 Mangaung (FMB) 5 1544.7 5 2 1611.3 0 Details
5 Gauteng Schools Individuals Finals 2024 (U18 Boys) Standard 2024-08-17 2024-08-17 Ekurhuleni (GE) 5 1568.6 5 3 1396.7 0 Details
6 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Blitz 2024-07-27 2024-07-27 Johannesburg Metro (GJM) 9 1559.1 9 7 1673.9 0 Details
7 Grey College Team Championship 2024 (A) Standard 2024-02-23 2024-02-24 Mangaung (FMB) 5 1545.3 5 3 1641.3 0 Details
8 2024 Gauteng Inter-Region Chess Championship (U18A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1542.3 5 3.5 1565.7 0 Details
9 2023 Gauteng Top Schools (U17 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1534 5 4.5 1604.7 0 Details
10 JMC Closed Aug 2023 (U18+U20) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1534 5 2 1347.1 0 Details
11 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Blitz 2023-07-30 2023-07-30 Johannesburg Metro (GJM) 7 1524.3 6 5 1694.9 0 Details
12 JNW Open - Trinityhouse Little Falls 2023 (B) Standard 2023-06-24 2023-06-24 Johannesburg Metro (GJM) 5 1535.5 5 3 1469.2 0 Details
13 Mzansi Fide Open 2023 (Advanced) Classical 2023-04-27 2023-05-01 Johannesburg Metro (GJM) 6 1508 6 3.5 1630 0 Details
14 JMC 1 St Peters 2023 (B) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1466.3 5 4 1726.6 0 Details
15 Grey College Team Championship 2023 (A) Standard 2023-02-03 2023-02-04 Mangaung (FMB) 5 1494.2 5 2 1307.8 0 Details
16 ACB Tournament 2022 (A) Standard 2022-10-07 2022-10-08 Ekurhuleni (GE) 5 1466.5 5 3 1631.4 0 Details
17 JMC 3rd Trials 2022 (A) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1511.1 5 0.5 1232.9 0 Details
18 JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1488.5 4 3.5 1604.1 0 Details
19 Alberton Chess Club Open 2022 (B) Standard 2022-07-16 2022-07-16 Ekurhuleni (GE) 5 1488.5 5 3.5 1532.3 0 Details
20 Mzansi Open 2022 (Prestige) Classical 2022-04-30 2022-05-02 Johannesburg Metro (GJM) 6 1526.6 6 1.5 1357.9 0 Details
21 South African Junior Closed Chess Championships 2022 (U16 Open) Classical 2022-03-28 2022-04-02 Chess South Africa (CSA) 11 1514.8 11 6 1540.8 0 Details
22 Goforchess Junior Championship 2022 (Grayston) Standard 2022-03-06 2022-03-06 Johannesburg Metro (GJM) 5 1507.1 5 4.5 1508.9 0 Details
23 2022 Gauteng Interregion (U16 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1482.9 5 4 1642.1 0 Details
24 Pinnacle College Waterfall Open (Pinnacle) Standard 2021-10-02 2021-10-03 Johannesburg Metro (GJM) 6 1512.4 6 3 1372.3 0 Details
25 JMC Helpmekaar 2021 (U16) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1506.8 5 3.5 1546 0 Details
26 JNW Club - Trinityhouse Little Falls Open 2020 (A) Standard 2020-03-14 2020-03-14 Johannesburg Metro (GJM) 5 1549.3 4 0 1210.3 0 Details
27 JNW Club - Trinityhouse Randpark Ridge Open 2020 (B) Standard 2020-02-22 2020-02-22 Johannesburg Metro (GJM) 5 1472.7 4 3.5 1641.5 0 Details
28 2019 Wild Card Chess Championship (U14 Open) Classical 2020-01-09 2020-01-12 4 Knights (4K) 7 1335.3 7 5 1538.4 0 Details
29 2019 South African Junior Team Championships (U14A) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1335.3 7 7 1758.1 0 Details
30 2019 Gauteng School League Finals (U13 Open) Standard 2019-08-23 2019-08-23 Tshwane (GTP) 5 1343.7 5 2.5 1304.6 0 Details
31 JNW Club - Helpmekaar Kollege Open 2019 (B) Standard 2019-07-06 2019-07-06 Johannesburg Metro (GJM) 5 1374.9 5 1 1050.3 0 Details
32 JHB Metro Closed 2019 (U14) Standard 2019-07-27 2019-07-28 Johannesburg Metro (GJM) 6 1374.9 6 5 1498.7 0 Details
33 2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys) Standard 2019-05-25 2019-05-25 Tshwane (GTP) 5 1219.2 5 4.5 1446.1 0 Details
34 The Metro Open 2019 (Masters) Standard 2019-05-25 2019-05-26 Johannesburg Metro (GJM) 6 1219.2 6 5.5 1409.6 0 Details
35 JNW Club - Bryanston Open 2 2019 (C) Standard 2019-05-11 2019-05-11 Johannesburg Metro (GJM) 5 1219.2 5 4 1438.9 0 Details
36 JNW Club - Charterhouse Open 2019 (C) Standard 2019-04-13 2019-04-13 Johannesburg Metro (GJM) 5 1221.6 5 2.5 1213.9 0 Details
37 JNW Club - Trinityhouse Randpark Ridge Open 2019 (D) Standard 2019-03-09 2019-03-09 Johannesburg Metro (GJM) 5 1216.5 5 4 1180.2 0 Details
38 JNW Club - Trinityhouse Little Falls Open 2019 (D) Standard 2019-02-23 2019-02-23 Johannesburg Metro (GJM) 5 1245.5 5 2.5 1044.5 0 Details
39 Chessnuts November 2018 (B) Standard 2018-11-17 2018-11-17 Johannesburg Metro (GJM) 5 1166.5 5 5 1579.6 0 Details
40 JNW Club - Linden Open 2018 (D) Standard 2018-04-14 2018-04-14 Johannesburg Metro (GJM) 5 1200 5 3 985.7 0 Details
41 Jnw Chess - Linden Open 2016 (U10) Standard 2016-04-16 2016-04-16 Johannesburg Metro (GJM) 6 0 6 1.5 290 0 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 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 (History)
Games 218
Wins 122
Draws 37
Losses 59
White 117
Black 101
White wins 62
Black wins 60
Score 140.5
Percent 64.4
Dp 122.8
AOR 1352.8
Performance 1475.6
Rankings (Main)
National
Overall 1297
Gender 1178
Age group 138
Gender/Age 122
Provincial
Overall 468
Gender 420
Age group 50
Gender/Age 42
Regional
Overall 169
Gender 152
Age group 12
Gender/Age 10
Rankings (Standard)
National
Overall 1235
Gender 1113
Age group 129
Gender/Age 112
Provincial
Overall 461
Gender 408
Age group 50
Gender/Age 42
Regional
Overall 159
Gender 139
Age group 11
Gender/Age 9
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 16
Score 10
Percent 62.5
Aor 1453.2
Dp 106.2
Prat 1559.5
Performance (History)
Games 218
Score 140.5
Percent 64.4
Aor 1352.8
Dp 122.8
Prat 1475.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Potgieter, E (Edward) 5 4 1 JNW Club - Trinityhouse Little Falls Open 2020 (A) Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details
Overall 2 Jones, W (William) 5 2 3 JMC Helpmekaar 2021 (U16) Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details
Overall 3 Delport, B (Ben) 3 1 2 2019 South African Junior Team Championships (U14A) South African Junior Closed Chess Championships 2022 (U16 Open) Details
Overall 4 Lin, C (Chenyi) 3 2 1 2019 Wild Card Chess Championship (U14 Open) Grey College Team Championship 2025 (Prestige) Details
Overall 5 Price, DR (Daelen Rowan) 3 2 1 2019 South African Junior Team Championships (U14A) South African Junior Closed Chess Championships 2022 (U16 Open) Details
Standard 1 Deysel, K (Kaleb) 3 2 1 Pinnacle College Waterfall Open (Pinnacle) St Peters College Sports & Cultural Festival 2025 Details
Standard 2 Delport, B (Ben) 3 1 2 2019 South African Junior Team Championships (U14A) South African Junior Closed Chess Championships 2022 (U16 Open) Details
Standard 3 Lin, C (Chenyi) 3 2 1 2019 Wild Card Chess Championship (U14 Open) Grey College Team Championship 2025 (Prestige) Details
Standard 4 Jones, W (William) 3 1 2 South African Junior Closed Chess Championships 2022 (U16 Open) JMC Closed Aug 2023 (U18+U20) Details
Standard 5 Potgieter, E (Edward) 3 2 1 JNW Club - Trinityhouse Little Falls Open 2020 (A) Grey College Team Championship 2024 (A) Details
Blitz 1 Potgieter, E (Edward) 2 2 0 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) Details