PLAYER PAGE

Joshua Joubert

1150134895
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1564.7
K-factor 32
Floor 1057.4
Highest 1564.7 (2026-02-28)
Min/Max +/- allowed 99
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1566.2
Final +/- 0
New Rating
()
Rating 1564.7
K-factor 32
Floor 1057.4
Highest 1564.7 (2026-02-28)
Min/Max +/- allowed 98.6
Standard rating
Rating 1564.8
K-factor 32
Floor 1062.7
Highest 1564.8 (2026-02-28)
Min/Max +/- allowed 98.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1566.2
Final +/- 0
New Rating
()
Rating 1564.8
K-factor 32
Floor 1062.7
Highest 1564.8 (2026-02-28)
Min/Max +/- allowed 98.6
Rapid rating
Rating 1235.1
K-factor 36
Floor 735.1
Highest 1235.1 (2025-05-05)
Min/Max +/- allowed 157.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1076.4
Final +/- 0
New Rating
()
Rating 1235.1
K-factor 36
Floor 735.1
Highest 1235.1 (2025-05-05)
Min/Max +/- allowed 157.7
Blitz rating
Rating 1034.2
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 1034.2
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Blou Bull Chess Tournament (U12) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1564.7 5 4 1709.8 23.9 Details
2 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1564.7 4 3 1683.6 14.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Constantiapark Open Chess Tournament (U12) Standard 2026-02-14 2026-02-14 Tshwane (GTP) 5 1509.6 5 4.5 1803.7 0 Details
2 West Rand Open 2026 (U12) Standard 2026-02-07 2026-02-07 West Rand (GWR) 5 1509.6 5 3 1453.4 0 Details
3 2026 Tshwane Chess Registration Tournament (U12-1) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1509.6 5 4 1565.4 0 Details
4 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1510.8 5 3 1480.5 0 Details
5 JMC Closed 2025 (U12) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1557.4 5 2 1284.5 0 Details
6 Third Knight Riders Junior Open 2025 (B+C) Standard 2025-06-22 2025-06-22 Johannesburg Metro (GJM) 5 1481.1 4 2.5 1632.5 0 Details
7 West Rand Open 2.0 2025 (U12) Standard 2025-06-07 2025-06-07 West Rand (GWR) 5 1481.1 5 5 1791.9 0 Details
8 JMC Helpmekaar 2025 (U12) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1481.1 5 3.5 1467.2 0 Details
9 JMC Crawford Sandton 2025 (C) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1479.3 5 2 1273.5 0 Details
10 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1476.8 11 3.5 1358.5 0 Details
11 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1476.8 9 4.5 1433.2 0 Details
12 2025 Chris Greyling Open Chess Tournament (U12) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1477.5 5 3.5 1564.2 0 Details
13 MCA Summer March 2025 (Advanced) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1477.5 5 0 1055.1 0 Details
14 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1527 4 0 947.3 0 Details
15 2025 Tshwane Chess OPEN Registration Tournament (U12) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1541.2 5 3 1441.2 0 Details
16 Gauteng Inter-Region at UJ 2024 (U10 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1504.2 5 4 1705.4 0 Details
17 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1537.9 5 2 1275 0 Details
18 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1537.9 5 4 1583.4 0 Details
19 Bojanala's FIDE In The Sparkling Waters 2024 (Junior Champs) Classical 2024-08-17 2024-08-17 Bojanala Platina (NBR) 5 1542.9 5 3.5 1540.2 0 Details
20 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1542.9 5 4 1523.9 0 Details
21 Second Knight Riders Juniors Open Chess Tournament 2024 (U10) Standard 2024-06-08 2024-06-08 Johannesburg Metro (GJM) 5 1494.6 5 4 1393.2 0 Details
22 JMC Trinityhouse Little Falls 2024 (U10) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1494.6 5 4.5 1739.3 0 Details
23 Chess Power House May Open 2024 (D) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1352.8 5 3 1459.6 0 Details
24 JMC Crawford International Sandton 2024 (U10) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1352.8 5 5 1780.3 0 Details
25 South African Junior Closed Chess Championship 2024 (U10 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1352.8 8 2 1209.2 0 Details
26 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1352.8 5 4 1553.6 0 Details
27 Hermanus Chess Club Open 2024 (Intermediate) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1374 7 3.5 1195.2 0 Details
28 CPH St Andrew's Rapid 2024 (C) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1342.3 5 4.5 1709.3 0 Details
29 2024 Tshwane Chess AHS Open Chess Tournament (C2) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1408.2 5 2 1230.1 0 Details
30 2024 Blou Bul Open Chess Tournament (C) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1408.2 5 1.5 1148.1 0 Details
31 2024 Gauteng Inter-Region Chess Championship (U10A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1435.1 5 4 1565.5 0 Details
32 JMC Kick Off Tournament 2024 (D) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1435.1 5 2 1128.1 0 Details
33 2023 Centurion Chess Open (C) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1481.6 5 2 1175.7 0 Details
34 JMC Closed Aug 2023 (U10) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1477.7 6 4 1507.8 0 Details
35 Chess Power House 2023 (C) Standard 2023-08-19 2023-08-19 Johannesburg Metro (GJM) 5 1477.7 4 3 1456.5 0 Details
36 Bojanala's FIDE in the Sparkling Waters 2023 (Junior) Classical 2023-07-29 2023-07-29 Bojanala Platina (NBR) 6 1414.1 6 5 1518.3 0 Details
37 JMC Trinity Little Falls 2023 (U10) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1414.1 5 4 1488.4 0 Details
38 JNW Open - Trinityhouse Little Falls 2023 (U10) Standard 2023-06-24 2023-06-24 Johannesburg Metro (GJM) 5 1359.2 5 4 1491.6 0 Details
39 JNW Open - Trinityhouse Little Falls 2023 (U10) Standard 2023-05-13 2023-05-13 Johannesburg Metro (GJM) 5 1323.9 5 4 1544.4 0 Details
40 Silver Lakes Open Chess Tournament (C) Standard 2023-04-15 2023-04-15 Tshwane (GTP) 5 1292.6 5 2.5 1317.3 0 Details
41 2023 South African Junior Closed Chess Championships (U8 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1292.6 9 4.5 1367.2 0 Details
42 Chris Greyling Open Tournament 2023 (D1) Standard 2023-03-21 2023-03-21 Tshwane (GTP) 5 1370.7 5 3 1240.4 0 Details
43 JMC 1 St Peters 2023 (C) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1370.7 5 1 997.5 0 Details
44 Mzansi Rapid 2023 (Intermediate) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1400.8 6 2 1155.7 0 Details
45 2023 Tshwane Chess Open Registration Tournament (E) Standard 2023-01-28 2023-01-28 Tshwane (GTP) 5 1398.1 5 4 1404.7 0 Details
46 2022 South African Junior Team Chess Championships (U8 Open+Girls) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1321.1 7 7 1574.5 0 Details
47 JMC 3rd Trials 2022 (U8) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1310 5 4 1379 0 Details
48 JMC Womens Day 2022 (U8) Standard 2022-08-06 2022-08-06 Johannesburg Metro (GJM) 5 1263.4 5 5 1467.1 0 Details
49 2022 Jacaranda Round Robin (R) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1161.5 5 2 1140.3 0 Details
50 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1161.5 5 3 1333.3 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 15
Wins 11
Draws 1
Losses 3
White 7
Black 8
White wins 5
Black wins 6
Score 11.5
Percent 76.7
Dp 226.7
AOR 1380.8
Performance 1607.5
Game statistics (History)
Games 323
Wins 178
Draws 16
Losses 129
White 159
Black 164
White wins 91
Black wins 87
Score 186
Percent 57.6
Dp 64.5
AOR 1284.5
Performance 1349
Rankings (Main)
National
Overall 1214
Gender 1108
Age group 62
Gender/Age 55
Provincial
Overall 439
Gender 398
Age group 30
Gender/Age 25
Regional
Overall 161
Gender 144
Age group 14
Gender/Age 11
Rankings (Standard)
National
Overall 1120
Gender 1015
Age group 61
Gender/Age 52
Provincial
Overall 417
Gender 372
Age group 32
Gender/Age 25
Regional
Overall 144
Gender 127
Age group 15
Gender/Age 11
Rankings (Rapid)
National
Overall 3356
Gender 2672
Age group 465
Gender/Age 355
Provincial
Overall 638
Gender 503
Age group 83
Gender/Age 69
Regional
Overall 231
Gender 201
Age group 28
Gender/Age 23
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 15
Score 11.5
Percent 76.7
Aor 1380.8
Dp 226.7
Prat 1607.5
Performance (12 months)
Games 74
Score 41
Percent 55.4
Aor 1414.4
Dp 45.9
Prat 1460.4
Performance (History)
Games 323
Score 186
Percent 57.6
Aor 1284.5
Dp 64.5
Prat 1349
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Overall 2 Stelloh, S (Sebastian) 7 2 5 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) Details
Overall 3 Conradie, M (Minka) 6 0 6 2022 Tshwane Chess Open Registration Tournament (F) JMC Trinityhouse Little Falls 2024 (U10) Details
Overall 4 Le Kay, A (Alexa) 5 3 2 2022 Milos Ristic Open Chess Tournament (F) JMC Closed 2025 (U12) Details
Overall 5 Ma, M (Matthew) 4 1 3 Mzansi Rapid 2023 (Intermediate) South African Junior Closed Chess Championship 2024 (U10 Open) Details
Standard 1 Pillay, Y (Yishai) 7 4 3 JMC Bryanston 2021 (E) West Rand Open 2.0 2025 (U12) Details
Standard 2 Stelloh, S (Sebastian) 7 2 5 2023 South African Junior Closed Chess Championships (U8 Open) Third Knight Riders Junior Open 2025 (B+C) Details
Standard 3 Conradie, M (Minka) 6 0 6 2022 Tshwane Chess Open Registration Tournament (F) JMC Trinityhouse Little Falls 2024 (U10) Details
Standard 4 Le Kay, A (Alexa) 5 3 2 2022 Milos Ristic Open Chess Tournament (F) JMC Closed 2025 (U12) Details
Standard 5 Motau, N (Neelo) 3 2 1 JMC 1 St Peters 2023 (C) South African Junior Closed Chess Championship 2024 (U10 Open) Details