Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Johannes Cornelis Botha

1110136394
Bojanala Platina (NBR)
Personal
Main rating
Rating 1688.6
K-factor 28
Floor 1182.2
Highest 1700.2 (2024-05-01)
Min/Max +/- allowed 81
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1714.2
Final +/- 0
New Rating
()
Rating 1688.6
K-factor 28
Floor 1182.2
Highest 1700.2 (2024-05-01)
Min/Max +/- allowed 81.3
Standard rating
Rating 1695.9
K-factor 28
Floor 1176
Highest 1695.9 (2026-02-28)
Min/Max +/- allowed 81.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1714.2
Final +/- 0
New Rating
()
Rating 1695.9
K-factor 28
Floor 1176
Highest 1695.9 (2026-02-28)
Min/Max +/- allowed 81.8
Rapid rating
Rating 1382.3
K-factor 36
Floor 882.3
Highest 1382.3 (2025-09-01)
Min/Max +/- allowed 127.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1450.9
Final +/- 0
New Rating
()
Rating 1382.3
K-factor 36
Floor 882.3
Highest 1382.3 (2025-09-01)
Min/Max +/- allowed 127.9
Blitz rating
Rating 1318.1
K-factor 36
Floor 818.1
Highest 1318.1 (2025-11-01)
Min/Max +/- allowed 140.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1318.1
K-factor 36
Floor 818.1
Highest 1318.1 (2025-11-01)
Min/Max +/- allowed 140.1
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 1590.4 5 5 1976.1 0 Details
2 Bojanala Closed Chess Championships 2026 (U16) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1590.4 5 3 1641.6 0 Details
3 Bojanala Wildcard Chess Championships 2026 (U20) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1632.3 4 2 1530.5 0 Details
4 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1540.3 6 4 1644.8 0 Details
5 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1540.3 6 4 1608.7 0 Details
6 Bojanala's Merry ChessMas 2025 (Queens) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1540.3 4 1.5 1820.9 0 Details
7 Bojanala's Circuit Championships 4 of 4 2025 (U16) Standard 2025-11-01 2025-11-01 Bojanala Platina (NBR) 5 1550.4 4 2 1477.2 0 Details
8 Bojanala's Kings & Queens 2025 (Blitz) Blitz 2025-10-25 2025-10-25 Bojanala Platina (NBR) 9 1536.6 9 5.5 1819.1 0 Details
9 Bojanala's Battle Of Mount Cambridge 2025 (Rooks) Standard 2025-10-11 2025-10-11 Bojanala Platina (NBR) 5 1536.6 5 2.5 1490.8 0 Details
10 2025 Midstream Open Chess Tournament (B) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1549.1 3 0 1141.5 0 Details
11 Bojanala's Clash Of Schools 2025 (Championship Open) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1549.1 5 4 1676 0 Details
12 South African Open 2025 (U16 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1525.1 5 3.5 1673 0 Details
13 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1525.1 8 3.5 1544 0 Details
14 Knight Riders Youth Day Open 2025 (A) Standard 2025-06-15 2025-06-15 Johannesburg Metro (GJM) 5 1518.5 5 3 1488.3 0 Details
15 Bojanala's Pre-Exam 2025 (Queens) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1518.5 4 2 1609.9 0 Details
16 Spartan Bishops Championships Elite 2025 (U16) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1516.9 5 3 1396.1 0 Details
17 Bojanala's Circuit Championships 2 of 4 2025 (U16) Standard 2025-05-17 2025-05-17 Bojanala Platina (NBR) 5 1516.9 5 3 1561.2 0 Details
18 Moja Chess Extravaganza 2025 (C) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1516.9 8 4.5 1447.6 0 Details
19 Robday Bergsig Sport Festival 2025 (Juniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1516.9 5 3.5 1465.2 0 Details
20 FIDE in The West 2025 (Open) Standard 2025-04-12 2025-04-12 West Rand (GWR) 5 1528.7 5 2 1557.6 0 Details
21 South African Junior Closed Chess Championships 2025 (U14 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1528.7 9 4 1450.3 0 Details
22 Uni-Mates Chess Fundraiser Tournament 2025 (Rooks) Rapid 2025-03-22 2025-03-22 West Rand (GWR) 7 1520.4 7 6 1643.5 0 Details
23 Uni-Mates Chess Fundraiser Tournament 2025 (Blitz) Blitz 2025-03-22 2025-03-22 West Rand (GWR) 7 1520.4 7 5 1605.5 0 Details
24 Bojanala's Waterkloof - The Superior One 2025 (Queens) Standard 2025-03-15 2025-03-15 Bojanala Platina (NBR) 5 1520.4 5 0 1288.5 0 Details
25 Bojanala Circuit Championships 1 of 4 2025 (U16) Standard 2025-03-01 2025-03-01 Bojanala Platina (NBR) 5 1520.4 5 4 1676.4 0 Details
26 Bojanala's Battle In The Kloof 2025 (Queens) Standard 2025-02-15 2025-02-15 Bojanala Platina (NBR) 5 1575.5 5 1.5 1048.4 0 Details
27 Bojanala Closed Chess Championships 2025 (U14) Classical 2025-01-31 2025-02-02 Bojanala Platina (NBR) 5 1575.5 5 3 1576.3 0 Details
28 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1567 7 4.5 1622 0 Details
29 Bojanala's Merry Chess-Mas 2024 (Rooks) Standard 2024-12-07 2024-12-07 Bojanala Platina (NBR) 5 1567 5 4 1535.1 0 Details
30 Bojanala's Circuit Championships 4 of 4 204 (U16) Standard 2024-10-12 2024-10-12 Bojanala Platina (NBR) 5 1586.5 5 2.5 1450.5 0 Details
31 Bojanala's Battle In The Kloof 2024 (Queens) Standard 2024-09-21 2024-09-21 Bojanala Platina (NBR) 5 1549.5 5 1 1391.3 0 Details
32 Kings Gambit Chess Open 14 Sept 2024 (C) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1549.5 5 5 1791.1 0 Details
33 JCC Khelo India 1st Annual Chess Tournament 2024 (D) Standard 2024-08-31 2024-08-31 Johannesburg Metro (GJM) 5 1549.5 5 4.5 1739.7 0 Details
34 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) Classical 2024-08-16 2024-08-18 Bojanala Platina (NBR) 6 1560 6 4 1461.3 0 Details
35 Bojanala's Kings & Queens Rapid and Doubles 2024 (Open) Rapid 2024-08-10 2024-08-10 Bojanala Platina (NBR) 7 1560 7 5 1665.4 0 Details
36 Incognito Invitational 2024 (A) Standard 2024-07-21 2024-07-21 Bojanala Platina (NBR) 5 1627.8 5 1 1282.7 0 Details
37 Bojanala's Clash Of Schools 2024 (U13) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1627.8 5 4 1574.7 0 Details
38 JMC NG Weltevreden Church 2024 Rapid 2024-06-29 2024-06-29 Johannesburg Metro (GJM) 7 1627.8 6 3.5 1496.7 0 Details
39 Bojanala Circuit Championship 2 of 4 2024 (U16) Standard 2024-06-15 2024-06-15 Bojanala Platina (NBR) 5 1682.2 4 1 1181.8 0 Details
40 Bojanala Circuit Championship 1 of 4 2024 (U14) Standard 2024-05-25 2024-05-25 Bojanala Platina (NBR) 5 1566.2 5 5 1813.2 0 Details
41 Schoemies' Kwaggarus Chess Getaway 2024 (Senior) Standard 2024-05-18 2024-05-18 Bojanala Platina (NBR) 5 1566.2 5 5 1671.7 0 Details
42 Spartan Bishops Chess Championships 2024 (Knights) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1566.2 5 4 1599.1 0 Details
43 2024 Milos Ristic Open Chess Tournament (U14) Standard 2024-04-27 2024-04-27 Tshwane (GTP) 5 1398.4 5 4.5 1644.3 0 Details
44 Bojanala Olienpark's One For The Ages 2024 (Rooks) Standard 2024-04-20 2024-04-20 Bojanala Platina (NBR) 5 1398.4 5 4 1554.2 0 Details
45 Bojanala's Rating Express 2024 (Rooks) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1398.4 5 4 1636.2 0 Details
46 Bojanala Silwerrand's Rating Implosion 2024 (Rooks) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1396.8 5 3 1397.9 0 Details
47 Bojanala Closed Chess Championships Finals 2024 (U14) Classical 2024-02-09 2024-02-11 Bojanala Platina (NBR) 5 1351.5 5 3.5 1511.7 0 Details
48 Bojanala Closed Chess Championships Stage 1 2024 (U14) Standard 2024-01-27 2024-01-27 Bojanala Platina (NBR) 5 1292 5 3.5 1503.4 0 Details
49 2023 Cross Border Chess Championships Gaborone vs Bojanala Classical 2023-12-14 2023-12-16 Botswana (BOT) 5 1325.8 5 3 1114.2 0 Details
50 Bojanala's Merry ChessMas 2023 (Rooks) Standard 2023-12-09 2023-12-09 Bojanala Platina (NBR) 5 1325.8 5 2.5 1360 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 14
Wins 9
Draws 2
Losses 3
White 9
Black 5
White wins 5
Black wins 4
Score 10
Percent 71.4
Dp 182.1
AOR 1547.2
Performance 1729.3
Game statistics (History)
Games 430
Wins 241
Draws 32
Losses 157
White 220
Black 210
White wins 127
Black wins 114
Score 257
Percent 59.8
Dp 83
AOR 1388.1
Performance 1471.1
Rankings (Main)
National
Overall 533
Gender 502
Age group 45
Gender/Age 38
Provincial
Overall 45
Gender 42
Age group 1
Gender/Age 1
Regional
Overall 40
Gender 37
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 485
Gender 458
Age group 41
Gender/Age 37
Provincial
Overall 44
Gender 41
Age group 1
Gender/Age 1
Regional
Overall 39
Gender 36
Age group 1
Gender/Age 1
Rankings (Rapid)
National
Overall 939
Gender 804
Age group 182
Gender/Age 142
Provincial
Overall 25
Gender 21
Age group 5
Gender/Age 3
Regional
Overall 23
Gender 19
Age group 5
Gender/Age 3
Rankings (Blitz)
National
Overall 259
Gender 247
Age group 16
Gender/Age 15
Provincial
Overall 14
Gender 13
Age group 1
Gender/Age 1
Regional
Overall 12
Gender 11
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 14
Score 10
Percent 71.4
Aor 1547.2
Dp 182.1
Prat 1729.3
Performance (12 months)
Games 134
Score 76.5
Percent 57.1
Aor 1513.4
Dp 60.3
Prat 1573.7
Performance (History)
Games 430
Score 257
Percent 59.8
Aor 1388.1
Dp 83
Prat 1471.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Terblanche, J (Johann) 11 7 4 One For The Ages 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Overall 2 Grobler, R (Rowan) 11 7 4 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Overall 3 Tshetlhe, B (Blessing) 8 3 5 Lebone II 2022 (D) Bojanala Closed Chess Championships 2026 (U16) Details
Overall 4 Bantseke, B (Boikanyo) 7 2 5 RHS Know Thyself 2022 (C) Robday Bergsig Sport Festival 2025 (Juniors) Details
Overall 5 Ramaboa, T (Thando) 7 5 2 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) Bojanala's Circuit Championships 4 of 4 2025 (U16) Details
Standard 1 Terblanche, J (Johann) 11 7 4 One For The Ages 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Standard 2 Grobler, R (Rowan) 9 6 3 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Standard 3 Tshetlhe, B (Blessing) 8 3 5 Lebone II 2022 (D) Bojanala Closed Chess Championships 2026 (U16) Details
Standard 4 Ramaboa, T (Thando) 7 5 2 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) Bojanala's Circuit Championships 4 of 4 2025 (U16) Details
Standard 5 Changara, A (Adrian Tafara) 6 4 2 Nories Make It Happen 2023 (Rooks) Bojanala's Pre-Exam 2025 (Queens) Details
Rapid 1 Bantseke, B (Boikanyo) 2 0 2 Bojanala School League 2023 (Primary School Open) Robday Bergsig Sport Festival 2025 (Juniors) Details