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Jj Pedersen

1090111282
Bojanala Platina (NBR)
Personal
Main rating
Rating 1428.1
K-factor 32
Floor 1004
Highest 1519.4 (2026-02-01)
Min/Max +/- allowed 105
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1393.9
Final +/- 0
New Rating
()
Rating 1428.1
K-factor 32
Floor 1004
Highest 1519.4 (2026-02-01)
Min/Max +/- allowed 105.2
Standard rating
Rating 1434.6
K-factor 32
Floor 1009.1
Highest 1516.4 (2026-02-01)
Min/Max +/- allowed 105.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1393.9
Final +/- 0
New Rating
()
Rating 1434.6
K-factor 32
Floor 1009.1
Highest 1516.4 (2026-02-01)
Min/Max +/- allowed 105.6
Rapid rating
Rating 1262.3
K-factor 36
Floor 762.3
Highest 1262.3 (2025-09-01)
Min/Max +/- allowed 151.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1262.3
K-factor 36
Floor 762.3
Highest 1262.3 (2025-09-01)
Min/Max +/- allowed 151.7
Blitz rating
Rating 1200
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 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 Bojanala's Grenville Open 2026 (Rooks) Standard 2026-02-21 2026-02-21 Bojanala Platina (NBR) 5 1519.4 0 0 0 0 Details
2 Bojanala Closed Chess Championships 2026 (U18) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1519.4 5 0 1123.6 0 Details
3 Bojanala Wildcard Chess Championships 2026 (U18) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1490.4 4 2 1595.1 0 Details
4 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1457.9 0 0 0 0 Details
5 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1457.9 6 4.5 1630.7 0 Details
6 Bojanala's Circuit Championships 4 of 4 2025 (U18) Standard 2025-11-01 2025-11-01 Bojanala Platina (NBR) 5 1443.5 5 3 1543.1 0 Details
7 Bojanala's Battle Of Mount Cambridge 2025 (Rooks) Standard 2025-10-11 2025-10-11 Bojanala Platina (NBR) 5 1486.3 5 1.5 1296 0 Details
8 Bojanala's FIDE On The Orion Express 2025 (Rooks) Classical 2025-10-03 2025-10-05 Bojanala Platina (NBR) 6 1486.3 6 3.5 1503.2 0 Details
9 Bojanala's Rusties - The Champions' Tournament 2025 (Rooks) Standard 2025-09-13 2025-09-13 Bojanala Platina (NBR) 5 1461.3 5 2.5 1527 0 Details
10 Bojanala's Clash Of Schools 2025 (Championship Open) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1435 5 4.5 1640 0 Details
11 Najdorf Movement 2025 (B) Standard 2025-06-14 2025-06-16 Bojanala Platina (NBR) 7 1353.5 7 3.5 1589.5 0 Details
12 Bojanala's Pre-Exam 2025 (Rooks) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1353.5 5 3 1494.9 0 Details
13 Robday Bergsig Sport Festival 2025 (Seniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1366.2 5 2 1270.3 0 Details
14 Bojanala's Rosewood Easter Open 2025 (Rooks) Standard 2025-04-19 2025-04-19 Bojanala Platina (NBR) 5 1365.6 5 2.5 1377.2 0 Details
15 Bojanala's Battle In The Kloof 2025 (Rooks) Standard 2025-02-15 2025-02-15 Bojanala Platina (NBR) 5 1363.4 5 2.5 1370.2 0 Details
16 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1377.2 7 3 1320.9 0 Details
17 Bojanala's Brink Of Activity 2024 (Rooks) Standard 2024-11-30 2024-11-30 Bojanala Platina (NBR) 5 1324.9 5 4 1666.6 0 Details
18 North West Schools Finals 2024 (U15 Boys) Standard 2024-08-24 2024-08-24 Ngaka Modiri Molema (NNM) 5 1317.5 5 3 1374.5 0 Details
19 Bojanala Closed Chess Championships Stage 1 2024 (U16) Standard 2024-01-27 2024-01-27 Bojanala Platina (NBR) 5 1326.5 4 1.5 1255.3 0 Details
20 2023 Cross Border Chess Championships Gaborone vs Bojanala Classical 2023-12-14 2023-12-16 Botswana (BOT) 5 1427.6 5 1 859.8 0 Details
21 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) Standard 2023-10-14 2023-10-14 West Rand (GWR) 5 1431.6 5 3 1399.4 0 Details
22 Bojanala School League 2023 (U15) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 5 1445.5 5 3 1331 0 Details
23 Grenswag's Community Battle 2023 (Rooks) Standard 2023-04-22 2023-04-22 Bojanala Platina (NBR) 5 1419.2 5 4 1593.3 0 Details
24 Nories Make It Happen 2023 (Rooks) Standard 2023-03-04 2023-03-04 Bojanala Platina (NBR) 5 1420.8 5 3 1400.1 0 Details
25 One For The Ages 2023 (U16) Standard 2023-02-18 2023-02-18 Bojanala Platina (NBR) 5 1350.5 5 4 1578.4 0 Details
26 Harties Wolf Pack 2023 (Rooks) Standard 2023-01-21 2023-01-21 Bojanala Platina (NBR) 5 1310.7 5 4 1554.4 0 Details
27 2022 South African Junior Team Chess Championships (U14 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1304.6 7 4 1332.1 0 Details
28 FIDE at The King`s Gate 2.0 2022 (B) Standard 2022-10-22 2022-10-22 Bojanala Platina (NBR) 5 1360.2 5 1 1051.1 0 Details
29 Larries The Final Wild Card Tournament 2022 (Rooks) Standard 2022-09-17 2022-09-17 Bojanala Platina (NBR) 5 1407.6 5 2 1263.8 0 Details
30 Lebone II - Day of The Blue Army 2022 (B) Standard 2022-09-03 2022-09-03 Bojanala Platina (NBR) 5 1407.6 5 1.5 1134.5 0 Details
31 Bojanala SAJCC Trials 2022 (U14) Classical 2022-09-23 2022-09-23 Bojanala Platina (NBR) 5 1407.6 5 3.5 1506.1 0 Details
32 Bojanala Chess Federation Wildcards 2022 (Bishops) Standard 2022-08-20 2022-08-20 Bojanala Platina (NBR) 5 1338.8 4 3 1534.1 0 Details
33 South African Open 2022 (U16) Standard 2022-07-11 2022-07-13 Cape Town (WCT) 6 1219.9 6 3 1280.1 0 Details
34 South African Open 2022 (Blitz) Blitz 2022-07-14 2022-07-14 Cape Town (WCT) 10 1219.9 0 0 0 0 Details
35 2nd One For The Ages 2022 (U14) Standard 2022-07-30 2022-07-30 Bojanala Platina (NBR) 5 1219.9 5 4 1499.1 0 Details
36 RHS Know Thyself 2022 (C) Standard 2022-04-23 2022-04-23 Bojanala Platina (NBR) 5 1175.3 5 3 1265.5 0 Details
37 Lebone II 2022 (C) Standard 2022-02-12 2022-02-12 Bojanala Platina (NBR) 5 1044 5 2 1166.4 0 Details
38 Fide At The King`s Gate 2022 (C) Standard 2022-02-26 2022-02-26 Bojanala Platina (NBR) 5 1044 5 4 1447.4 0 Details
39 The Meridian 2022 (U14) Standard 2022-01-22 2022-01-22 Bojanala Platina (NBR) 5 1024.2 5 2 1133.7 0 Details
40 Bojanala SAJCC Trials - Session 3 of 3 2021 (C) Standard 2021-11-20 2021-11-20 Bojanala Platina (NBR) 5 1106.2 5 0 772.5 0 Details
41 Bojanala SAJCC Trials - Session 2 of 3 2021 (B) Standard 2021-11-13 2021-11-13 Bojanala Platina (NBR) 5 1106.2 4 1 947.6 0 Details
42 Bojanala SAJCC Trials - Session 1 of 3 2021 (C) Standard 2021-11-06 2021-11-06 Bojanala Platina (NBR) 5 1106.2 5 2 1136.1 0 Details
43 Spring at The King`s Gate 2021 (B) Standard 2021-09-11 2021-09-11 Bojanala Platina (NBR) 5 1141.1 4 0 938.1 0 Details
44 Back to the Board 2021 (U14) Standard 2021-04-17 2021-04-17 Bojanala Platina (NBR) 5 1155.7 4 1 1063.9 0 Details
45 Hoerskool Brits Toernooi 2020 (U12) Standard 2020-03-14 2020-03-14 Bojanala Platina (NBR) 5 1156.7 5 3 1156.9 0 Details
46 Laerskool Proteapark 2020 (D) Standard 2020-02-29 2020-02-29 Bojanala Platina (NBR) 5 1121.5 5 3 1262 0 Details
47 Lebone II 2020 (U12) Standard 2020-02-15 2020-02-15 Bojanala Platina (NBR) 5 1121.5 5 2 1046.5 0 Details
48 2019 South African Junior Team Championships (U12D) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1074.3 7 4.5 1224.5 0 Details
49 Selly Park 2019 (E) Standard 2019-10-05 2019-10-05 Bojanala Platina (NBR) 5 984 5 4 1428.5 0 Details
50 Inter Region 2019 (U12 Open) Standard 2019-10-19 2019-10-19 Bojanala Platina (NBR) 5 984 5 2 1003.4 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 9
Wins 2
Draws 0
Losses 7
White 5
Black 4
White wins 2
Black wins 0
Score 2
Percent 22.2
Dp -236.1
AOR 1569.3
Performance 1333.2
Game statistics (History)
Games 284
Wins 132
Draws 19
Losses 133
White 145
Black 139
White wins 66
Black wins 66
Score 141.5
Percent 49.8
Dp -1.5
AOR 1262.9
Performance 1261.4
Rankings (Main)
National
Overall 2789
Gender 2389
Age group 393
Gender/Age 328
Provincial
Overall 192
Gender 168
Age group 22
Gender/Age 18
Regional
Overall 140
Gender 120
Age group 18
Gender/Age 15
Rankings (Standard)
National
Overall 2408
Gender 2062
Age group 334
Gender/Age 275
Provincial
Overall 178
Gender 154
Age group 21
Gender/Age 17
Regional
Overall 128
Gender 108
Age group 17
Gender/Age 14
Rankings (Rapid)
National
Overall 2689
Gender 2174
Age group 356
Gender/Age 287
Provincial
Overall 90
Gender 74
Age group 16
Gender/Age 14
Regional
Overall 88
Gender 72
Age group 16
Gender/Age 14
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 9
Score 2
Percent 22.2
Aor 1569.3
Dp -236.1
Prat 1333.2
Performance (12 months)
Games 63
Score 32.5
Percent 51.6
Aor 1457.5
Dp 13.5
Prat 1471
Performance (History)
Games 284
Score 141.5
Percent 49.8
Aor 1262.9
Dp -1.5
Prat 1261.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Sera, G (Galaletsang) 6 3 3 Back to the Board 2021 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Overall 2 Bantseke, B (Boikanyo) 6 3 3 Lebone II 2022 (C) Bojanala's Pre-Exam 2025 (Rooks) Details
Overall 3 Byliefeldt, L (Leroux) 5 3 2 Back to the Board 2021 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Overall 4 Mostert, PJ (Pieter) 4 1 3 Laerskool Vastrap Tournament 2019 (E) Bojanala SAJCC Trials 2022 (U14) Details
Overall 5 Changara, A (Adrian Tafara) 4 4 0 The Meridian 2022 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Standard 1 Bantseke, B (Boikanyo) 6 3 3 Lebone II 2022 (C) Bojanala's Pre-Exam 2025 (Rooks) Details
Standard 2 Sera, G (Galaletsang) 5 2 3 Back to the Board 2021 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Standard 3 Byliefeldt, L (Leroux) 5 3 2 Back to the Board 2021 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Standard 4 Diale, A (Aobakwe) 4 4 0 The Meridian 2022 (U14) North West Schools Finals 2024 (U15 Boys) Details
Standard 5 Molefinyane, O (Otlotleng) 4 4 0 Laerskool Olienpark 2019 (U12) Inter Region 2019 (U12 Open) Details
Rapid 1 Van Der Berg, Z (Zack) 2 1 1 Robday Bergsig Sport Festival 2025 (Seniors) Bojanala's Clash Of Schools 2025 (Championship Open) Details