PLAYER PAGE

Personal

Pedersen, J (Jj)

Chess SA id

1090111282

FIDE id

?

Date of birth

2009-05-13 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

45.2

Junior GPX Points

1426.5

Item Main Standard Rapid Blitz
Rating 1486.8 1465 1262.3 1200
Raw rating 1470.3 1465 1262.3 1200
Weighted rating 1377.6 1386.9 1187.4 1200
Weighted performance 1486.8 1455.3 0 0
Floor 970.3 965 762.3 700
K-factor 32 32 36 36
Min/Max rating change allowed 112.8 113.7 151.7 165.8
Highest rating 1503.5
2023-04-01
1503.6
2023-04-01
1262.3
2025-09-01
1200
2018-10-01
Highest raw rating 1470.3
2025-09-30
1465
2025-09-30
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 -0.5 0 0 0
New rating 1486.3 1465 1262.3 1200
Analysis
Rating 1486.8 1465 1262.3 1200
Raw rating 1470.3 1465 1262.3 1200
Weighted rating 1377.6 1386.9 1187.4
Weighted performance 1486.8 1455.3 0
K-factor 32 32 36 36
Floor 970.3 965 762.3 700
Max/Min rating change allowed 112.8 113.7 151.7 165.8
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 1470.3 1465 1262.3 1200
New weighted rating 1386.5 1394.5 1193.9 1200
New weighted performance 1486.3 1454.8 0 0
Temp new rating 1486.3 1465 1262.3 1200
Temp new rating +/- -0.5 0 0 0
Final new rating +/- -0.5 0 0 0
New rating 1486.3 1465 1262.3 1200
New K-factor 32 32 36 36
New floor 970.3 965 762.3 700

Item Main Standard Rapid Blitz
0 0 0 0
37 27 10 0
21 21 0 0
35 30 5 0
62 62 0 0
22 22 0 0
History 253 233 20 0

Games since
Main
68
Standard
58
Rapid
10
Blitz
0
Gender Male
Age group U18
Region Bojanala Platina (NBR)
Province Northwest (NW)
Main
RSA Province Region
Overall 1355 111 92
Male 1159 95 78
U18 215 21 18
U18 Male 190 18 16
Standard
RSA Province Region
Overall 1448 124 98
Male 1222 108 85
U18 236 22 18
U18 Male 208 19 16
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 37 20.5 55.41 45.9 1427.7 1473.6
Standard 27 14 51.85 15.7 1464.7 1480.5
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 253 127 50.2 1.7 1236.4 1238.1
Standard 233 115 49.36 -5.5 1236.5 1231
Rapid 20 12 60 85 1235.6 1320.6
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
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
2024-08-01 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
2024-08-01 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
2024-01-01 1326.5 1340.1 1173.6 1200
2023-12-01 1326.5 1340.1 1173.6 1200
2023-11-01 1427.6 1443.1 1173.6 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 Bojanala's Rusties - The Champions' Tournament 2025 (Rooks) 2025-09-13 2025-09-13 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
2 Bojanala's Clash Of Schools 2025 (Championship Open) 2025-08-02 2025-08-02 Rapid Bojanala Platina (NBR) 5 5 4.5 Yes Analysis
3 Najdorf Movement 2025 (B) 2025-06-14 2025-06-16 Standard Bojanala Platina (NBR) 7 7 3.5 Yes Analysis
4 Bojanala's Pre-Exam 2025 (Rooks) 2025-05-31 2025-05-31 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
5 Robday Bergsig Sport Festival 2025 (Seniors) 2025-05-03 2025-05-03 Rapid Bojanala Platina (NBR) 5 5 2 Yes Analysis
6 Bojanala's Rosewood Easter Open 2025 (Rooks) 2025-04-19 2025-04-19 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
7 Bojanala's Battle In The Kloof 2025 (Rooks) 2025-02-15 2025-02-15 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Bojanala's Rusties - The Champions' Tournament 2025 (Rooks) 2025-09-13 2025-09-13 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
2 Bojanala's Clash Of Schools 2025 (Championship Open) 2025-08-02 2025-08-02 Rapid Bojanala Platina (NBR) 5 5 4.5 Yes Analysis
3 Najdorf Movement 2025 (B) 2025-06-14 2025-06-16 Standard Bojanala Platina (NBR) 7 7 3.5 Yes Analysis
4 Bojanala's Pre-Exam 2025 (Rooks) 2025-05-31 2025-05-31 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
5 Robday Bergsig Sport Festival 2025 (Seniors) 2025-05-03 2025-05-03 Rapid Bojanala Platina (NBR) 5 5 2 Yes Analysis
6 Bojanala's Rosewood Easter Open 2025 (Rooks) 2025-04-19 2025-04-19 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
7 Bojanala's Battle In The Kloof 2025 (Rooks) 2025-02-15 2025-02-15 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
8 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 3 Yes Analysis
9 Bojanala's Brink Of Activity 2024 (Rooks) 2024-11-30 2024-11-30 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
10 North West Schools Finals 2024 (U15 Boys) 2024-08-24 2024-08-24 Standard Ngaka Modiri Molema (NNM) 5 5 3 Yes Analysis
11 Bojanala Closed Chess Championships Stage 1 2024 (U16) 2024-01-27 2024-01-27 Standard Bojanala Platina (NBR) 5 4 1.5 Yes Analysis
12 2023 Cross Border Chess Championships Gaborone vs Bojanala 2023-12-14 2023-12-16 Standard Botswana (BOT) 5 5 1 Yes Analysis
13 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) 2023-10-14 2023-10-14 Standard West Rand (GWR) 5 5 3 Yes Analysis
14 Bojanala School League 2023 (U15) 2023-08-19 2023-08-19 Rapid Bojanala Platina (NBR) 5 5 3 Yes Analysis
15 Grenswag's Community Battle 2023 (Rooks) 2023-04-22 2023-04-22 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
16 Nories Make It Happen 2023 (Rooks) 2023-03-04 2023-03-04 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
17 One For The Ages 2023 (U16) 2023-02-18 2023-02-18 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
18 Harties Wolf Pack 2023 (Rooks) 2023-01-21 2023-01-21 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
19 2022 South African Junior Team Chess Championships (U14 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
20 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
21 Larries The Final Wild Card Tournament 2022 (Rooks) 2022-09-17 2022-09-17 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
22 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
23 Bojanala SAJCC Trials 2022 (U14) 2022-09-23 2022-09-23 Standard Bojanala Platina (NBR) 5 5 3.5 Yes Analysis
24 Bojanala Chess Federation Wildcards 2022 (Bishops) 2022-08-20 2022-08-20 Standard Bojanala Platina (NBR) 5 4 3 Yes Analysis
25 South African Open 2022 (U16) 2022-07-11 2022-07-13 Standard Cape Town (WCT) 6 6 3 Yes Analysis
26 South African Open 2022 (Blitz) 2022-07-14 2022-07-14 Blitz Cape Town (WCT) 10 0 0 No Analysis
27 2nd One For The Ages 2022 (U14) 2022-07-30 2022-07-30 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
28 RHS Know Thyself 2022 (C) 2022-04-23 2022-04-23 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
29 Lebone II 2022 (C) 2022-02-12 2022-02-12 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
30 Fide At The King`s Gate 2022 (C) 2022-02-26 2022-02-26 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
31 The Meridian 2022 (U14) 2022-01-22 2022-01-22 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
32 Bojanala SAJCC Trials - Session 3 of 3 2021 (C) 2021-11-20 2021-11-20 Standard Bojanala Platina (NBR) 5 5 0 Yes Analysis
33 Bojanala SAJCC Trials - Session 2 of 3 2021 (B) 2021-11-13 2021-11-13 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
34 Bojanala SAJCC Trials - Session 1 of 3 2021 (C) 2021-11-06 2021-11-06 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
35 Spring at The King`s Gate 2021 (B) 2021-09-11 2021-09-11 Standard Bojanala Platina (NBR) 5 4 0 Yes Analysis
36 Back to the Board 2021 (U14) 2021-04-17 2021-04-17 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
37 Hoerskool Brits Toernooi 2020 (U12) 2020-03-14 2020-03-14 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
38 Laerskool Proteapark 2020 (D) 2020-02-29 2020-02-29 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
39 Lebone II 2020 (U12) 2020-02-15 2020-02-15 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
40 2019 South African Junior Team Championships (U12D) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 4.5 Yes Analysis
41 Selly Park 2019 (E) 2019-10-05 2019-10-05 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
42 Inter Region 2019 (U12 Open) 2019-10-19 2019-10-19 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
43 Lebone II 2019 (U12) 2019-09-14 2019-09-14 Standard Bojanala Platina (NBR) 5 4 1 Yes Analysis
44 Laerskool Brits 2019 (U12) 2019-08-31 2019-08-31 Standard Bojanala Platina (NBR) 5 5 1 Yes Analysis
45 Laerskool Rustenburg 2019 (U12) 2019-08-17 2019-08-17 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
46 2019 Super 12 Laerskole (Juniors) 2019-05-04 2019-05-04 Rapid Tshwane (GTP) 5 5 2.5 Yes Analysis
47 Inter Regional Chess Championship 2019 (U12) 2019-05-10 2019-05-11 Standard Mangaung (FMB) 5 5 2 Yes Analysis
48 Laerskool Proteapark 2019 (D) 2019-05-18 2019-05-18 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
49 Laerskool Olienpark 2019 (U12) 2019-04-06 2019-04-06 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
50 Laerskool Vastrap Tournament 2019 (E) 2019-02-23 2019-02-23 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
51 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 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
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 Letupu ,L (Lemogang) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1316.8 1175.1 1309.3 1175.1 0 0 0 0
8 Combrink ,ZA (Zenadine) 3 0 -425 3 0 -425 0 0 0 0 0 0
1005 580 982 580 0 0 0 0
9 Rampou ,O (Oratile) 3 0 -425 3 0 -425 0 0 0 0 0 0
1401.5 976.5 1410.1 976.5 0 0 0 0
10 Marx ,HB (Heinrich Butow) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1261.1 1119.4 1253.4 1119.4 0 0 0 0

Norms

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