PLAYER PAGE

Personal

Pedersen, J (Jj)

Chess SA id

1090111282

FIDE id

534010564

Date of birth

2009-05-13 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1490.9 1492.8 1262.3 1200
Raw rating 1490.9 1492.8 1262.3 1200
Weighted rating 1402.2 1408.9 1206 1200
Weighted performance 1487.9 1480.9 0 0
Floor 990.9 992.8 762.3 700
K-factor 32 32 36 36
Min/Max rating change allowed 109.5 109.3 151.7 165.8
Highest rating 1503.5
2023-04-01
1503.6
2023-04-01
1262.3
2025-09-01
1200
2018-10-01
Highest raw rating 1490.9
2026-01-01
1492.8
2026-01-01
1262.3
2025-09-01
1200
2024-02-01
Highest weighted rating 1445.5
2024-01-01
1453.8
2024-01-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1503.5
2023-04-01
1503.6
2023-04-01
1200
2018-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1490.9 1492.8 1262.3 1200
Analysis
Rating 1490.9 1492.8 1262.3 1200
Raw rating 1490.9 1492.8 1262.3 1200
Weighted rating 1402.2 1408.9 1206
Weighted performance 1487.9 1480.9 0
K-factor 32 32 36 36
Floor 990.9 992.8 762.3 700
Max/Min rating change allowed 109.5 109.3 151.7 165.8
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 1490.9 1492.8 1262.3 1200
New weighted rating 1411.6 1417.8 1211.6 1200
New weighted performance 1478.1 1471.1 0 0
Temp new rating 1490.9 1492.8 1262.3 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1490.9 1492.8 1262.3 1200
New K-factor 32 32 36 36
New floor 990.9 992.8 762.3 700

Item Main Standard Rapid Blitz
0 0 0 0
53 43 10 0
21 21 0 0
35 30 5 0
62 62 0 0
22 22 0 0
History 269 249 20 0

Games since
Main
79
Standard
69
Rapid
10
Blitz
0
Gender Male
Age group U18
Region Bojanala Platina (NBR)
Province Northwest (NW)
Main
RSA Province Region
Overall 1603 128 105
Male 1345 107 89
U18 258 24 20
U18 Male 228 19 17
Standard
RSA Province Region
Overall 1547 133 105
Male 1286 110 87
U18 249 23 18
U18 Male 216 18 15
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 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 53 28.5 53.77 32.1 1434.7 1466.8
Standard 43 22 51.16 9.9 1459.6 1469.5
Rapid 10 6.5 65 127.5 1327.7 1455.2
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 269 135 50.19 1.6 1249.1 1250.7
Standard 249 123 49.4 -5.1 1250.2 1245.1
Rapid 20 12 60 85 1235.6 1320.6
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1490.9 1492.8 1262.3 1200
2025-11-30 1458.3 1455.7 1262.3 1200
2025-11-01 1443.7 1440 1262.3 1200
2025-09-30 1470.3 1465 1262.3 1200
2025-09-01 1461.3 1453.8 1262.3 1200
2025-08-01 1435 1453.8 1173.4 1200
2025-07-01 1435 1453.8 1173.3 1200
2025-06-01 1353.5 1373.8 1172 1200
2025-05-01 1366.2 1373.8 1173.6 1200
2025-04-01 1365.6 1374.2 1173.6 1200
2025-03-01 1365.6 1374.2 1173.6 1200
2025-02-01 1363.4 1374.9 1173.6 1200
2025-01-01 1363.4 1374.9 1173.6 1200
2024-12-01 1377.2 1392.5 1173.6 1200
2024-11-01 1324.9 1334.3 1173.6 1200
2024-10-01 1324.9 1334.3 1173.6 1200
2024-09-01 1324.9 1334.3 1173.6 1200
2024-11-01 1317.5 1326.3 1173.6 1200
2024-07-01 1317.5 1326.3 1173.6 1200
2024-06-01 1317.5 1326.3 1173.6 1200
2024-05-01 1317.5 1326.3 1173.6 1200
2024-04-01 1317.5 1326.3 1173.6 1200
2024-03-01 1317.5 1326.3 1173.6 1200
2024-02-01 1317.5 1326.3 1173.6 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U18 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 0 0 No Analysis
2 2025 Mzansi Inter Provincial Team Championships (U18 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 6 4.5 Yes Analysis
3 Bojanala's Circuit Championships 4 of 4 2025 (U18) 2025-11-01 2025-11-01 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
4 Bojanala's Battle Of Mount Cambridge 2025 (Rooks) 2025-10-11 2025-10-11 Standard Bojanala Platina (NBR) 5 5 1.5 Yes Analysis
5 Bojanala's FIDE On The Orion Express 2025 (Rooks) 2025-10-03 2025-10-05 Standard Bojanala Platina (NBR) 6 6 3.5 Yes Analysis
6 Bojanala's Rusties - The Champions' Tournament 2025 (Rooks) 2025-09-13 2025-09-13 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
7 Bojanala's Clash Of Schools 2025 (Championship Open) 2025-08-02 2025-08-02 Rapid Bojanala Platina (NBR) 5 5 4.5 Yes Analysis
8 Najdorf Movement 2025 (B) 2025-06-14 2025-06-16 Standard Bojanala Platina (NBR) 7 7 3.5 Yes Analysis
9 Bojanala's Pre-Exam 2025 (Rooks) 2025-05-31 2025-05-31 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
10 Robday Bergsig Sport Festival 2025 (Seniors) 2025-05-03 2025-05-03 Rapid Bojanala Platina (NBR) 5 5 2 Yes Analysis
11 Bojanala's Rosewood Easter Open 2025 (Rooks) 2025-04-19 2025-04-19 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
12 Bojanala's Battle In The Kloof 2025 (Rooks) 2025-02-15 2025-02-15 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
13 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 3 Yes Analysis
14 Bojanala's Brink Of Activity 2024 (Rooks) 2024-11-30 2024-11-30 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
15 North West Schools Finals 2024 (U15 Boys) 2024-08-24 2024-08-24 Standard Ngaka Modiri Molema (NNM) 5 5 3 Yes Analysis
16 Bojanala Closed Chess Championships Stage 1 2024 (U16) 2024-01-27 2024-01-27 Standard Bojanala Platina (NBR) 5 4 1.5 Yes Analysis
17 2023 Cross Border Chess Championships Gaborone vs Bojanala 2023-12-14 2023-12-16 Standard Botswana (BOT) 5 5 1 Yes Analysis
18 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) 2023-10-14 2023-10-14 Standard West Rand (GWR) 5 5 3 Yes Analysis
19 Bojanala School League 2023 (U15) 2023-08-19 2023-08-19 Rapid Bojanala Platina (NBR) 5 5 3 Yes Analysis
20 Grenswag's Community Battle 2023 (Rooks) 2023-04-22 2023-04-22 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
21 Nories Make It Happen 2023 (Rooks) 2023-03-04 2023-03-04 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
22 One For The Ages 2023 (U16) 2023-02-18 2023-02-18 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
23 Harties Wolf Pack 2023 (Rooks) 2023-01-21 2023-01-21 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
24 2022 South African Junior Team Chess Championships (U14 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
25 FIDE at The King`s Gate 2.0 2022 (B) 2022-10-22 2022-10-22 Standard Bojanala Platina (NBR) 5 5 1 Yes Analysis
26 Larries The Final Wild Card Tournament 2022 (Rooks) 2022-09-17 2022-09-17 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
27 Lebone II - Day of The Blue Army 2022 (B) 2022-09-03 2022-09-03 Standard Bojanala Platina (NBR) 5 5 1.5 Yes Analysis
28 Bojanala SAJCC Trials 2022 (U14) 2022-09-23 2022-09-23 Standard Bojanala Platina (NBR) 5 5 3.5 Yes Analysis
29 Bojanala Chess Federation Wildcards 2022 (Bishops) 2022-08-20 2022-08-20 Standard Bojanala Platina (NBR) 5 4 3 Yes Analysis
30 South African Open 2022 (U16) 2022-07-11 2022-07-13 Standard Cape Town (WCT) 6 6 3 Yes Analysis
31 South African Open 2022 (Blitz) 2022-07-14 2022-07-14 Blitz Cape Town (WCT) 10 0 0 No Analysis
32 2nd One For The Ages 2022 (U14) 2022-07-30 2022-07-30 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
33 RHS Know Thyself 2022 (C) 2022-04-23 2022-04-23 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
34 Lebone II 2022 (C) 2022-02-12 2022-02-12 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
35 Fide At The King`s Gate 2022 (C) 2022-02-26 2022-02-26 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
36 The Meridian 2022 (U14) 2022-01-22 2022-01-22 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
37 Bojanala SAJCC Trials - Session 3 of 3 2021 (C) 2021-11-20 2021-11-20 Standard Bojanala Platina (NBR) 5 5 0 Yes Analysis
38 Bojanala SAJCC Trials - Session 2 of 3 2021 (B) 2021-11-13 2021-11-13 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
39 Bojanala SAJCC Trials - Session 1 of 3 2021 (C) 2021-11-06 2021-11-06 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
40 Spring at The King`s Gate 2021 (B) 2021-09-11 2021-09-11 Standard Bojanala Platina (NBR) 5 4 0 Yes Analysis
41 Back to the Board 2021 (U14) 2021-04-17 2021-04-17 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
42 Hoerskool Brits Toernooi 2020 (U12) 2020-03-14 2020-03-14 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
43 Laerskool Proteapark 2020 (D) 2020-02-29 2020-02-29 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
44 Lebone II 2020 (U12) 2020-02-15 2020-02-15 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
45 2019 South African Junior Team Championships (U12D) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 4.5 Yes Analysis
46 Selly Park 2019 (E) 2019-10-05 2019-10-05 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
47 Inter Region 2019 (U12 Open) 2019-10-19 2019-10-19 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
48 Lebone II 2019 (U12) 2019-09-14 2019-09-14 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
49 Laerskool Brits 2019 (U12) 2019-08-31 2019-08-31 Standard Bojanala Platina (NBR) 5 5 1 Yes Analysis
50 Laerskool Rustenburg 2019 (U12) 2019-08-17 2019-08-17 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
51 2019 Super 12 Laerskole (Juniors) 2019-05-04 2019-05-04 Rapid Tshwane (GTP) 5 5 2.5 Yes Analysis
52 Inter Regional Chess Championship 2019 (U12) 2019-05-10 2019-05-11 Standard Mangaung (FMB) 5 5 2 Yes Analysis
53 Laerskool Proteapark 2019 (D) 2019-05-18 2019-05-18 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
54 Laerskool Olienpark 2019 (U12) 2019-04-06 2019-04-06 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
55 Laerskool Vastrap Tournament 2019 (E) 2019-02-23 2019-02-23 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
56 Hoerskool Brits Tournament 2019 (U12) 2019-02-09 2019-02-09 Standard Bojanala Platina (NBR) 5 5 1 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
Bojanala's Clash Of Schools 2025
Tournament
Bojanala's Rusties - The Champions' Tournament 2025
date
2025-08-02
rnd
1
type
Rapid
result
1
date
2025-09-13
rnd
2
type
Standard
result
0.5
Opponent
Oalaotse, M (Mooa)
Opponent
Changara, A (Adiel Tavonga)
2 6 Tournament
Harties Wolf Pack 2023
Tournament
One For The Ages 2023
date
2023-01-21
rnd
2
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Jansen Van Vuuren, M (Mari)
Opponent
Zimani, T (Tinashe Mitchell)
3 5 Tournament
Bojanala's Brink Of Activity 2024
Tournament
Mzansi Interprovincial Youth Chess Championships 2024
date
2024-11-30
rnd
2
type
Standard
result
1
date
2024-12-16
rnd
1
type
Standard
result
1
Opponent
Monare, O (Oratilwe)
Opponent
Molele, D (Denzel T)
# Games Start End
1 6 Tournament
Harties Wolf Pack 2023
Tournament
One For The Ages 2023
date
2023-01-21
rnd
2
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Jansen Van Vuuren, M (Mari)
Opponent
Zimani, T (Tinashe Mitchell)
2 5 Tournament
Bojanala's Brink Of Activity 2024
Tournament
Mzansi Interprovincial Youth Chess Championships 2024
date
2024-11-30
rnd
2
type
Standard
result
1
date
2024-12-16
rnd
1
type
Standard
result
1
Opponent
Monare, O (Oratilwe)
Opponent
Molele, D (Denzel T)
3 5 Tournament
One For The Ages 2023
Tournament
Nories Make It Happen 2023
date
2023-02-18
rnd
4
type
Standard
result
1
date
2023-03-04
rnd
3
type
Standard
result
1
Opponent
Lesejane, R (Relebogile)
Opponent
Botha, J (Johannes Cornelis)
# Games Start End
1 5 Tournament
Bojanala's Clash Of Schools 2025
Tournament
Bojanala's Clash Of Schools 2025
date
2025-08-02
rnd
1
type
Rapid
result
1
date
2025-08-02
rnd
5
type
Rapid
result
1
Opponent
Oalaotse, M (Mooa)
Opponent
Croughs, D (Danial Jilani)
2 4 Tournament
2019 Super 12 Laerskole
Tournament
Bojanala School League 2023
date
2019-05-04
rnd
4
type
Rapid
result
0.5
date
2023-08-19
rnd
2
type
Rapid
result
1
Opponent
De Beer, R (Rigardt)
Opponent
Lesejane, T (Tshireletso)
3 3 Tournament
Bojanala School League 2023
Tournament
Robday Bergsig Sport Festival 2025
date
2023-08-19
rnd
5
type
Rapid
result
1
date
2025-05-03
rnd
2
type
Rapid
result
1
Opponent
Mfi, R (Reatlegile)
Opponent
Sebopa, R (Regomoditswe)
No games found.
# Games Start End
# Games Start End
1 6 Tournament
Harties Wolf Pack 2023
Tournament
One For The Ages 2023
date
2023-01-21
rnd
2
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Jansen Van Vuuren, M (Mari)
Opponent
Zimani, T (Tinashe Mitchell)
2 5 Tournament
Bojanala's Brink Of Activity 2024
Tournament
Mzansi Interprovincial Youth Chess Championships 2024
date
2024-11-30
rnd
2
type
Standard
result
1
date
2024-12-16
rnd
1
type
Standard
result
1
Opponent
Monare, O (Oratilwe)
Opponent
Molele, D (Denzel T)
3 5 Tournament
One For The Ages 2023
Tournament
Nories Make It Happen 2023
date
2023-02-18
rnd
4
type
Standard
result
1
date
2023-03-04
rnd
3
type
Standard
result
1
Opponent
Lesejane, R (Relebogile)
Opponent
Botha, J (Johannes Cornelis)
# Games Start End
1 6 Tournament
Harties Wolf Pack 2023
Tournament
One For The Ages 2023
date
2023-01-21
rnd
2
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Jansen Van Vuuren, M (Mari)
Opponent
Zimani, T (Tinashe Mitchell)
2 5 Tournament
Bojanala's Brink Of Activity 2024
Tournament
Mzansi Interprovincial Youth Chess Championships 2024
date
2024-11-30
rnd
2
type
Standard
result
1
date
2024-12-16
rnd
1
type
Standard
result
1
Opponent
Monare, O (Oratilwe)
Opponent
Molele, D (Denzel T)
3 5 Tournament
One For The Ages 2023
Tournament
Nories Make It Happen 2023
date
2023-02-18
rnd
4
type
Standard
result
1
date
2023-03-04
rnd
3
type
Standard
result
1
Opponent
Lesejane, R (Relebogile)
Opponent
Botha, J (Johannes Cornelis)
# Games Start End
1 3 Tournament
Bojanala's Clash Of Schools 2025
Tournament
Bojanala's Clash Of Schools 2025
date
2025-08-02
rnd
3
type
Rapid
result
1
date
2025-08-02
rnd
5
type
Rapid
result
1
Opponent
Ngobeni, N (Ntumbuluko)
Opponent
Croughs, D (Danial Jilani)
2 3 Tournament
Bojanala School League 2023
Tournament
Robday Bergsig Sport Festival 2025
date
2023-08-19
rnd
5
type
Rapid
result
1
date
2025-05-03
rnd
2
type
Rapid
result
1
Opponent
Mfi, R (Reatlegile)
Opponent
Sebopa, R (Regomoditswe)
3 3 Tournament
2019 Super 12 Laerskole
Tournament
Bojanala School League 2023
date
2019-05-04
rnd
5
type
Rapid
result
1
date
2023-08-19
rnd
2
type
Rapid
result
1
Opponent
Kritzinger, M (Maegan)
Opponent
Lesejane, T (Tshireletso)
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 Bantseke ,B (Boikanyo) 6 2.5 -70.8 6 2.5 -70.8 0 0 0 0 0 0
1427.2 1356.4 1418.6 1356.4 0 0 0 0
2 Sera ,G (Galaletsang) 5 0 -425 4 0 -425 1 0 -425 0 0 0
1329.5 904.5 1267.3 904.5 885.6 904.5 0 0
3 Diale ,A (Aobakwe) 4 0.5 -318.8 4 0.5 -318.8 0 0 0 0 0 0
1507.8 1189 1508.2 1189 0 0 0 0
4 Byliefeldt ,L (Leroux) 4 0 -425 4 0 -425 0 0 0 0 0 0
1431.9 1006.9 1436.7 1006.9 0 0 0 0
5 Matshego ,T (Thato) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1554.8 1342.3 1554.1 1342.3 0 0 0 0
6 Mostert ,PJ (Pieter) 4 2 0 4 2 0 0 0 0 0 0 0
1248.9 1248.9 1244.6 1248.9 0 0 0 0
7 Molefinyane ,O (Otlotleng) 4 0 -425 4 0 -425 0 0 0 0 0 0
1052.3 627.3 1031.2 627.3 0 0 0 0
8 Changara ,A (Adiel Tavonga) 4 1.5 -106.2 3 1.5 0 1 0 -425 0 0 0
1511.1 1404.8 1506.4 1511.1 1306.8 1086.1 0 0
9 Changara ,A (Adrian Tafara) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1216.9 1500.2 1235.1 1500.2 0 0 0 0
10 Combrink ,ZA (Zenadine) 3 0 -425 3 0 -425 0 0 0 0 0 0
1005 580 982 580 0 0 0 0

Norms

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