Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Jj Pedersen

1090111282
Bojanala Platina (NBR)
Personal
Main rating
Rating 1432.3
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 1364.3
Final +/- 0
New Rating
()
Rating 1432.3
K-factor 32
Floor 1004
Highest 1519.4 (2026-02-01)
Min/Max +/- allowed 105.2
Standard rating
Rating 1415.9
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 1321
Final +/- 0
New Rating
()
Rating 1415.9
K-factor 32
Floor 1009.1
Highest 1516.4 (2026-02-01)
Min/Max +/- allowed 105.6
Rapid rating
Rating 1269.5
K-factor 36
Floor 769.5
Highest 1269.5 (2026-04-01)
Min/Max +/- allowed 150.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1234.5
Final +/- 0
New Rating
()
Rating 1269.5
K-factor 36
Floor 769.5
Highest 1269.5 (2026-04-01)
Min/Max +/- allowed 150.2
Blitz rating
Rating 1228.8
K-factor 36
Floor 728.8
Highest 1228.8 (2026-04-01)
Min/Max +/- allowed 159.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1228.8
K-factor 36
Floor 728.8
Highest 1228.8 (2026-04-01)
Min/Max +/- allowed 159.2
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 Die Rooi Masjien 2026 (Bishops) Standard 2026-06-06 2026-06-06 Bojanala Platina (NBR) 5 1442.2 5 3 1369.9 -9.9 Details
2 Robday Chess Tournament 2026 (U18) Rapid 2026-04-25 2026-04-25 Bojanala Platina (NBR) 5 1411.7 5 3 1456 4.7 Details
3 South African Junior Closed Chess Championship 2026 (U18 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1411.7 9 3.5 1450.5 14 Details
4 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1411.7 8 4 1632.9 11.9 Details
5 Bojanala's Lebone II Open 2026 (Queens) Standard 2026-03-07 2026-03-07 Bojanala Platina (NBR) 5 1428.1 4 0 1311.5 -16.4 Details
6 Bojanala's Grenville Open 2026 (Rooks) Standard 2026-02-21 2026-02-21 Bojanala Platina (NBR) 5 1519.4 0 0 0 0 Details
7 Bojanala Closed Chess Championships 2026 (U18) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1519.4 5 0 1123.6 -47.4 Details
8 Bojanala Wildcard Chess Championships 2026 (U18) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1490.4 4 2 1595.1 3.4 Details
9 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
10 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 20.3 Details
11 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 9 Details
12 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 -19.3 Details
13 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 2.6 Details
14 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 5.6 Details
15 Bojanala's Clash Of Schools 2025 (Championship Open) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1435 5 4.5 1640 16.4 Details
16 Najdorf Movement 2025 (B) Standard 2025-06-14 2025-06-16 Bojanala Platina (NBR) 7 1353.5 7 3.5 1589.5 36.4 Details
17 Bojanala's Pre-Exam 2025 (Rooks) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1353.5 5 3 1494.9 14.4 Details
18 Robday Bergsig Sport Festival 2025 (Seniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1366.2 5 2 1270.3 -8 Details
19 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 0.5 Details
20 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 1.3 Details
21 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 -8.4 Details
22 Bojanala's Brink Of Activity 2024 (Rooks) Standard 2024-11-30 2024-11-30 Bojanala Platina (NBR) 5 1324.9 5 4 1666.6 32.5 Details
23 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 4.6 Details
24 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 -5.6 Details
25 2023 Cross Border Chess Championships Gaborone vs Bojanala Classical 2023-12-14 2023-12-16 Botswana (BOT) 5 1427.6 5 1 859.8 -63.2 Details
26 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 -2.3 Details
27 Bojanala School League 2023 (U15) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 5 1445.5 5 3 1331 -8.7 Details
28 Grenswag's Community Battle 2023 (Rooks) Standard 2023-04-22 2023-04-22 Bojanala Platina (NBR) 5 1419.2 5 4 1593.3 16.4 Details
29 Nories Make It Happen 2023 (Rooks) Standard 2023-03-04 2023-03-04 Bojanala Platina (NBR) 5 1420.8 5 3 1400.1 -1.2 Details
30 One For The Ages 2023 (U16) Standard 2023-02-18 2023-02-18 Bojanala Platina (NBR) 5 1350.5 5 4 1578.4 22.9 Details
31 Harties Wolf Pack 2023 (Rooks) Standard 2023-01-21 2023-01-21 Bojanala Platina (NBR) 5 1310.7 5 4 1554.4 24.9 Details
32 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 3.8 Details
33 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 -35.1 Details
34 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 -14.6 Details
35 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 -26.2 Details
36 Bojanala SAJCC Trials 2022 (U14) Classical 2022-09-23 2022-09-23 Bojanala Platina (NBR) 5 1407.6 5 3.5 1506.1 10.8 Details
37 Bojanala Chess Federation Wildcards 2022 (Bishops) Standard 2022-08-20 2022-08-20 Bojanala Platina (NBR) 5 1338.8 4 3 1534.1 15.5 Details
38 South African Open 2022 (U16) Standard 2022-07-11 2022-07-13 Cape Town (WCT) 6 1219.9 6 3 1280.1 7.9 Details
39 South African Open 2022 (Blitz) Blitz 2022-07-14 2022-07-14 Cape Town (WCT) 10 1219.9 0 0 0 0 Details
40 2nd One For The Ages 2022 (U14) Standard 2022-07-30 2022-07-30 Bojanala Platina (NBR) 5 1219.9 5 4 1499.1 26.6 Details
41 RHS Know Thyself 2022 (C) Standard 2022-04-23 2022-04-23 Bojanala Platina (NBR) 5 1175.3 5 3 1265.5 8.2 Details
42 Lebone II 2022 (C) Standard 2022-02-12 2022-02-12 Bojanala Platina (NBR) 5 1044 5 2 1166.4 11.3 Details
43 Fide At The King`s Gate 2022 (C) Standard 2022-02-26 2022-02-26 Bojanala Platina (NBR) 5 1044 5 4 1447.4 45.5 Details
44 The Meridian 2022 (U14) Standard 2022-01-22 2022-01-22 Bojanala Platina (NBR) 5 1024.2 5 2 1133.7 9.9 Details
45 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 -32.4 Details
46 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 -12.6 Details
47 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 3.5 Details
48 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 -17.4 Details
49 Back to the Board 2021 (U14) Standard 2021-04-17 2021-04-17 Bojanala Platina (NBR) 5 1155.7 4 1 1063.9 -7.3 Details
50 Hoerskool Brits Toernooi 2020 (U12) Standard 2020-03-14 2020-03-14 Bojanala Platina (NBR) 5 1156.7 5 3 1156.9 -0.7 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 40
Wins 15
Draws 1
Losses 24
White 20
Black 20
White wins 9
Black wins 6
Score 15.5
Percent 38.8
Dp -95.6
AOR 1532.9
Performance 1437.3
Game statistics (History)
Games 315
Wins 145
Draws 20
Losses 150
White 160
Black 155
White wins 73
Black wins 72
Score 155
Percent 49.2
Dp -6.7
AOR 1288.4
Performance 1281.7
Rankings (Main)
National
Overall 3003
Gender 2577
Age group 408
Gender/Age 349
Provincial
Overall 200
Gender 175
Age group 23
Gender/Age 19
Regional
Overall 141
Gender 120
Age group 19
Gender/Age 16
Rankings (Standard)
National
Overall 2942
Gender 2475
Age group 423
Gender/Age 356
Provincial
Overall 202
Gender 177
Age group 22
Gender/Age 18
Regional
Overall 138
Gender 117
Age group 18
Gender/Age 15
Rankings (Rapid)
National
Overall 2678
Gender 2191
Age group 319
Gender/Age 261
Provincial
Overall 87
Gender 75
Age group 16
Gender/Age 15
Regional
Overall 84
Gender 72
Age group 16
Gender/Age 15
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 40
Score 15.5
Percent 38.8
Aor 1532.9
Dp -95.6
Prat 1437.3
Performance (12 months)
Games 72
Score 35
Percent 48.6
Aor 1488.5
Dp -11.8
Prat 1476.7
Performance (History)
Games 315
Score 155
Percent 49.2
Aor 1288.4
Dp -6.7
Prat 1281.7
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 Changara, A (Adiel Tavonga) 5 3 2 Robday Bergsig Sport Festival 2025 (Seniors) Bojanala's Die Rooi Masjien 2026 (Bishops) Details
Overall 4 Byliefeldt, L (Leroux) 5 3 2 Back to the Board 2021 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Overall 5 Matshego, T (Thato) 4 1 3 Bojanala's Brink Of Activity 2024 (Rooks) Bojanala's Battle Of Mount Cambridge 2025 (Rooks) 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 Changara, A (Adrian Tafara) 4 4 0 The Meridian 2022 (U14) Bojanala Closed Chess Championships 2026 (U18) Details
Standard 5 Changara, A (Adiel Tavonga) 4 3 1 Najdorf Movement 2025 (B) Bojanala's Die Rooi Masjien 2026 (Bishops) 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