PLAYER PAGE

Personal

Janse Van Rensburg, J (Josh)

Chess SA id

1140135082

FIDE id

?

Date of birth

2014-08-12 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

57

Junior GPX Points

1573.5

Item Main Standard Rapid Blitz
Rating 1645.8 1641.6 1200 1200
Raw rating 1642.2 1641.6 1200 1200
Weighted rating 1573.3 1567.2 1200 1200
Weighted performance 1645.8 1640.1 0 0
Floor 1144.6 1142.9 700 700
K-factor 28 28 36 36
Min/Max rating change allowed 88.3 88.4 165.8 165.8
Highest rating 1662.6
2025-09-01
1656.9
2025-09-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1644.6
2025-02-01
1642.9
2025-02-01
1200
2024-02-01
1200
2024-02-01
Highest weighted rating 1563.5
2025-09-01
1556.9
2025-09-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1662.6
2025-09-01
1656.9
2025-09-01
1200
2024-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -0.6 0 0 0
New rating 1645.2 1641.6 1200 1200
Analysis
Rating 1645.8 1641.6 1200 1200
Raw rating 1642.2 1641.6 1200 1200
Weighted rating 1573.3 1567.2 1200
Weighted performance 1645.8 1640.1 0
K-factor 28 28 36 36
Floor 1144.6 1142.9 700 700
Max/Min rating change allowed 88.3 88.4 165.8 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1642.2 1641.6 1200 1200
New weighted rating 1582.4 1576.8 1200 1200
New weighted performance 1645.2 1639.6 0 0
Temp new rating 1645.2 1641.6 1200 1200
Temp new rating +/- -0.6 0 0 0
Final new rating +/- -0.6 0 0 0
New rating 1645.2 1641.6 1200 1200
New K-factor 28 28 36 36
New floor 1144.6 1142.9 700 700

Item Main Standard Rapid Blitz
0 0 0 0
42 42 0 0
86 86 0 0
73 73 0 0
49 49 0 0
5 5 0 0
History 255 255 0 0

Games since
Main
133
Standard
133
Rapid
0
Blitz
0
Gender Male
Age group U12
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 457 182 74
Male 426 169 72
U12 25 12 5
U12 Male 23 11 5
Standard
RSA Province Region
Overall 454 179 74
Male 422 167 72
U12 25 11 5
U12 Male 23 10 5
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 42 29.5 70.24 172 1456.9 1628.9
Standard 42 29.5 70.24 172 1456.9 1628.9
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 255 168 65.88 135 1306.6 1441.6
Standard 255 168 65.88 135 1306.6 1441.6
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1642.2 1641.6 1200 1200
2025-09-01 1642.2 1641.6 1200 1200
2025-08-01 1605.2 1599.1 1200 1200
2025-07-01 1605.2 1599.1 1200 1200
2025-06-01 1623.3 1619 1200 1200
2025-05-01 1577.4 1562.1 1200 1200
2025-04-01 1577.4 1562.1 1200 1200
2025-03-01 1586.2 1572.2 1200 1200
2025-02-01 1644.6 1642.9 1200 1200
2025-01-01 1626 1623.6 1200 1200
2024-12-01 1630.7 1629.2 1200 1200
2024-11-01 1630.7 1629.2 1200 1200
2024-10-01 1543.5 1541.9 1200 1200
2024-09-01 1530.9 1524.6 1200 1200
2024-08-01 1451.8 1445.3 1200 1200
2024-07-01 1390.5 1386.9 1200 1200
2024-06-01 1359.7 1357 1200 1200
2024-08-01 1399.1 1384.2 1200 1200
2024-04-01 1436.3 1426.4 1200 1200
2024-03-01 1436.3 1426.4 1200 1200
2024-02-01 1444.5 1435 1200 1200
2024-01-01 1435.7 1422.8 1200 1200
2023-12-01 1435.7 1422.8 1200 1200
2023-11-01 1435.7 1422.8 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
2 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 5 Yes Analysis
3 2025 Elise Steenkamp Open Chess Tournament (Bishop) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
5 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
6 2025 KSNG Open (U12) 2025-02-22 2025-02-22 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
7 2025 Blou Bul Open Chess Tournament (B) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 1 Yes Analysis
8 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
2 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 5 Yes Analysis
3 2025 Elise Steenkamp Open Chess Tournament (Bishop) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
5 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
6 2025 KSNG Open (U12) 2025-02-22 2025-02-22 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
7 2025 Blou Bul Open Chess Tournament (B) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 1 Yes Analysis
8 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
9 Gauteng Inter-Region at UJ 2024 (U12 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
10 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U12) 2024-10-19 2024-10-19 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 Gauteng Top Schools 2024 (U11 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
12 2024 Tuks Open Chess Tournament (U12) 2024-09-28 2024-09-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 2024 Etienne Lewis (U12) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 5 Yes Analysis
14 Gauteng Schools Individuals Finals 2024 (U11 Boys) 2024-08-16 2024-08-16 Standard Ekurhuleni (GE) 5 5 4.5 Yes Analysis
15 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 5 5 Yes Analysis
16 Menlopark Open Chess Tournament 2024 (U12) 2024-07-13 2024-07-13 Standard Tshwane (GTP) 5 5 4 Yes Analysis
17 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024-06-15 2024-06-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
18 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 4.5 Yes Analysis
19 South African Junior Closed Chess Championship 2024 (U10 Open) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 2 Yes Analysis
20 2024 Silver Lakes Open Chess Tournament (D1) 2024-04-21 2024-04-21 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
21 2024 KSNG CHess Academy Open Tournament (D1) 2024-04-06 2024-04-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
22 2024 Constantiapark Open (C) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 3 Yes Analysis
23 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024-01-27 2024-01-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
24 2024 Gauteng Inter-Region Chess Championship (U10A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
25 Lardies Open Tournament 2023 (C) 2023-10-28 2023-10-28 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
26 2023 Gauteng Top Schools (U9 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 5 Yes Analysis
27 2023 Etienne Lewis Closed Tournament (U10) 2023-08-25 2023-08-27 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
28 2023 Tshwane South School District CLOSED League Championship (U9) 2023-07-29 2023-07-29 Standard Tshwane (GTP) 5 5 5 Yes Analysis
29 2023 Menlo Open Tournament (C) 2023-07-22 2023-07-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
30 Wynie Robbertse Open Tournament 2023 (C) 2023-06-03 2023-06-03 Standard Tshwane (GTP) 5 5 2 Yes Analysis
31 2023 Elize Steenkamp Open Tournament (C) 2023-06-16 2023-06-17 Standard Tshwane (GTP) 6 6 2 Yes Analysis
32 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023-04-22 2023-04-22 Standard Tshwane (GTP) 5 5 4 Yes Analysis
33 2023 Milos Ristic Open Tournament (C) 2023-04-27 2023-04-27 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
34 Chris Greyling Open Tournament 2023 (D1) 2023-03-21 2023-03-21 Standard Tshwane (GTP) 5 5 3 Yes Analysis
35 Tuks Junior Developmental Chess Tournament 2023 (Red) 2023-03-18 2023-03-18 Standard Tshwane (GTP) 5 5 5 Yes Analysis
36 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) 2023-03-04 2023-03-04 Standard Tshwane (GTP) 5 5 2 Yes Analysis
37 Laerskool Constantiapark Open Chess Tournament 2023 (U10) 2023-02-18 2023-02-18 Standard Tshwane (GTP) 5 5 4 Yes Analysis
38 2023 Tshwane Chess Open Registration Tournament (D1) 2023-01-28 2023-01-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
39 2022 South African Junior Team Chess Championships (U10 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
40 Lardies Tournament 2022 (U10) 2022-10-29 2022-10-29 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
41 2022 Etienne Lewis (U10 Open) 2022-09-02 2022-09-04 Standard Tshwane (GTP) 7 7 4 Yes Analysis
42 Tuks Junior Developmental Tournament 2022 (Yellow) 2022-08-06 2022-08-06 Standard Tshwane (GTP) 5 5 3 Yes Analysis
43 2022 Gauteng Schools Team Championships (U9 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 5 Yes Analysis
44 D4 Play Offs 2022 (U9) 2022-07-30 2022-07-30 Standard Tshwane (GTP) 5 5 5 Yes Analysis
45 2022 Menlo Open Tournament (E) 2022-07-23 2022-07-23 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
46 2022 Blou Bul Open (E) 2022-06-25 2022-06-25 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
47 2022 Silver Lakes Chess Club Open Chess Tournament (E) 2022-05-07 2022-05-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
48 2021 Milos Ristic Open (E+F) 2021-10-09 2021-10-09 Standard Tshwane (GTP) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 19 Tournament
2024 Elise Steenkamp Open Chess Tournament
Tournament
2024 Etienne Lewis
date
2024-06-15
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
2
type
Standard
result
1
Opponent
Motsamai, O (Ontlametse Bokamoso)
Opponent
Mabuza, O (Oluhle)
2 18 Tournament
2023 Menlo Open Tournament
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-22
rnd
3
type
Standard
result
1
date
2023-08-27
rnd
5
type
Standard
result
0.5
Opponent
Du Toit, J (John-Henry)
Opponent
Van Der Merwe, ZC (Zander Christiaan)
3 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
# Games Start End
1 19 Tournament
2024 Elise Steenkamp Open Chess Tournament
Tournament
2024 Etienne Lewis
date
2024-06-15
rnd
4
type
Standard
result
1
date
2024-08-31
rnd
2
type
Standard
result
1
Opponent
Motsamai, O (Ontlametse Bokamoso)
Opponent
Mabuza, O (Oluhle)
2 18 Tournament
2023 Menlo Open Tournament
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-22
rnd
3
type
Standard
result
1
date
2023-08-27
rnd
5
type
Standard
result
0.5
Opponent
Du Toit, J (John-Henry)
Opponent
Van Der Merwe, ZC (Zander Christiaan)
3 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 14 Tournament
2023 Tshwane South School District CLOSED League Championship
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-29
rnd
1
type
Standard
result
1
date
2023-08-26
rnd
4
type
Standard
result
1
Opponent
Hewitt, E (Edwin)
Opponent
Grobbelaar, M (Mienje)
2 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
3 8 Tournament
D4 Tshwane South District Schools Teams Chess Tournament 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-16
rnd
3
type
Standard
result
1
Opponent
Van Reenen, C (Connor)
Opponent
Botha, L (Logan)
# Games Start End
1 14 Tournament
2023 Tshwane South School District CLOSED League Championship
Tournament
2023 Etienne Lewis Closed Tournament
date
2023-07-29
rnd
1
type
Standard
result
1
date
2023-08-26
rnd
4
type
Standard
result
1
Opponent
Hewitt, E (Edwin)
Opponent
Grobbelaar, M (Mienje)
2 9 Tournament
2023 Afrikaans Hoër Seunskool Open Chess Tournament
Tournament
Chris Greyling Open Tournament 2023
date
2023-03-04
rnd
4
type
Standard
result
1
date
2023-03-21
rnd
2
type
Standard
result
1
Opponent
Setumo, T (Tlou)
Opponent
Padayachy, V (Vidya)
3 8 Tournament
D4 Tshwane South District Schools Teams Chess Tournament 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-16
rnd
3
type
Standard
result
1
Opponent
Van Reenen, C (Connor)
Opponent
Botha, L (Logan)
No games found.
# Games Start End
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Barkhuizen ,SJ (Simon Jurgens) 6 1.5 -212.5 6 1.5 -212.5 0 0 0 0 0 0
1466.2 1253.7 1457.3 1253.7 0 0 0 0
2 Van Der Merwe ,ZC (Zander Christiaan) 5 4.5 340 5 4.5 340 0 0 0 0 0 0
1399.4 1739.4 1388.4 1739.4 0 0 0 0
3 Truscott ,A (Adriaan) 4 2 0 4 2 0 0 0 0 0 0 0
1345.7 1345.7 1342 1345.7 0 0 0 0
4 Van Der Wath ,L (Logan) 3 3 425 3 3 425 0 0 0 0 0 0
1256.6 1681.6 1245.8 1681.6 0 0 0 0
5 Grobbelaar ,M (Mienje) 3 3 425 3 3 425 0 0 0 0 0 0
1391.7 1816.7 1397.2 1816.7 0 0 0 0
6 Dsouza ,E (Ethan) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1510.9 1369.3 1507.8 1369.3 0 0 0 0
7 Coetzee ,M (Marko) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1219.3 1502.6 1209.4 1502.6 0 0 0 0
8 Van Der Westhuizen ,L (Lihan) 3 0 -425 3 0 -425 0 0 0 0 0 0
1358.1 933.1 1366.1 933.1 0 0 0 0
9 Goncalves ,E (Emilio) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1616.6 1758.2 1613.7 1758.2 0 0 0 0
10 Minny ,O (Oban) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1383 1666.3 1362.7 1666.3 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa