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

PLAYER PAGE

Johannes Cornelis Botha

1110136394
Bojanala Platina (NBR)
Personal
Main rating
Rating 1627.1
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 80
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1555
Final +/- 0
New Rating
()
Rating 1627.1
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 79.8
Standard rating
Rating 1640.9
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 79.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1595
Final +/- 0
New Rating
()
Rating 1640.9
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 79.8
Rapid rating
Rating 1430.2
K-factor 32
Floor 930.2
Highest 1430.2 (2026-09-01)
Min/Max +/- allowed 119.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1425.5
Final +/- 0
New Rating
()
Rating 1430.2
K-factor 32
Floor 930.2
Highest 1430.2 (2026-09-01)
Min/Max +/- allowed 119.4
Blitz rating
Rating 1458.2
K-factor 32
Floor 958.2
Highest 1458.2 (2026-04-01)
Min/Max +/- allowed 114.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1507.6
Final +/- 0
New Rating
()
Rating 1458.2
K-factor 32
Floor 958.2
Highest 1458.2 (2026-04-01)
Min/Max +/- allowed 114.8
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 Clash Of Schools 2026 (Open) Rapid 2026-08-08 2026-08-08 Bojanala Platina (NBR) 5 1627.1 5 2.5 1518.7 -13.8 Details
2 South African Open Championship 2026 (U15 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1653.1 7 4.5 1593.3 -12.2 Details
3 Bojanala's Die Rooi Masjien 2026 (Bishops) Standard 2026-06-06 2026-06-06 Bojanala Platina (NBR) 5 1630.9 5 4.5 1809.2 25.6 Details
4 Bojanala's Circuit Championships 1 of 4 2026 (U16) Standard 2026-05-30 2026-05-30 Bojanala Platina (NBR) 5 1630.9 5 3.5 1589.7 -3.4 Details
5 Spartans Bishops 2026 (U16 Bishops) Standard 2026-05-01 2026-05-03 Sarah Baartman (ESB) 5 1633.3 5 4 1629.6 0.9 Details
6 Mpumalanga Open Chess Championship 2026 (A) Standard 2026-04-25 2026-04-26 Nkangala (MNW) 6 1713.1 6 3 1358.8 -52.2 Details
7 Bojanala's Schoemies Open 2026 (Rooks+Queens) Standard 2026-04-18 2026-04-18 Bojanala Platina (NBR) 5 1713.1 5 1.5 1522.2 -28.5 Details
8 South African Junior Closed Chess Championship 2026 (U16 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1713.1 9 5 1608.3 -31.8 Details
9 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1713.1 9 5 1731.8 0.1 Details
10 Bojanala's Battle Of Mount Cambridge 2026 (Bishops+Rooks) Standard 2026-03-21 2026-03-21 Bojanala Platina (NBR) 5 1688.6 4 2.5 1685.6 -0.2 Details
11 Bojanala's Grenville Open 2026 (Rooks) Standard 2026-02-21 2026-02-21 Bojanala Platina (NBR) 5 1590.4 5 5 1976.1 37 Details
12 Bojanala Closed Chess Championships 2026 (U16) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1590.4 5 3 1641.6 5.2 Details
13 Bojanala Wildcard Chess Championships 2026 (U20) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1632.3 4 2 1530.5 -8.8 Details
14 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1540.3 6 4 1644.8 14.8 Details
15 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 8.1 Details
16 Bojanala's Merry ChessMas 2025 (Queens) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1540.3 4 1.5 1820.9 13.8 Details
17 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 -5.6 Details
18 Bojanala's Kings & Queens 2025 (Blitz) Blitz 2025-10-25 2025-10-25 Bojanala Platina (NBR) 9 1536.6 9 5.5 1819.1 9.5 Details
19 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 -3.7 Details
20 2025 Midstream Open Chess Tournament (B) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1549.1 3 0 1141.5 -24.6 Details
21 Bojanala's Clash Of Schools 2025 (Championship Open) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1549.1 5 4 1676 10 Details
22 South African Open 2025 (U16 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1525.1 5 3.5 1673 16.6 Details
23 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1525.1 8 3.5 1544 0.6 Details
24 Knight Riders Youth Day Open 2025 (A) Standard 2025-06-15 2025-06-15 Johannesburg Metro (GJM) 5 1518.5 5 3 1488.3 -3.5 Details
25 Bojanala's Pre-Exam 2025 (Queens) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1518.5 4 2 1609.9 7.1 Details
26 Spartan Bishops Championships Elite 2025 (U16) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1516.9 5 3 1396.1 -12.4 Details
27 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 5 Details
28 Moja Chess Extravaganza 2025 (C) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1516.9 8 4.5 1447.6 -12.8 Details
29 Robday Bergsig Sport Festival 2025 (Juniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1516.9 5 3.5 1465.2 -3.3 Details
30 FIDE in The West 2025 (Open) Standard 2025-04-12 2025-04-12 West Rand (GWR) 5 1528.7 5 2 1557.6 2 Details
31 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 -15.6 Details
32 Uni-Mates Chess Fundraiser Tournament 2025 (Rooks) Rapid 2025-03-22 2025-03-22 West Rand (GWR) 7 1520.4 7 6 1643.5 7.7 Details
33 Uni-Mates Chess Fundraiser Tournament 2025 (Blitz) Blitz 2025-03-22 2025-03-22 West Rand (GWR) 7 1520.4 7 5 1605.5 4.3 Details
34 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 -22.1 Details
35 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 16.1 Details
36 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 -40.3 Details
37 Bojanala Closed Chess Championships 2025 (U14) Classical 2025-01-31 2025-02-02 Bojanala Platina (NBR) 5 1575.5 5 3 1576.3 1 Details
38 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1567 7 4.5 1622 8.4 Details
39 Bojanala's Merry Chess-Mas 2024 (Rooks) Standard 2024-12-07 2024-12-07 Bojanala Platina (NBR) 5 1567 5 4 1535.1 -2.2 Details
40 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 -13.9 Details
41 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 -16.3 Details
42 Kings Gambit Chess Open 14 Sept 2024 (C) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1549.5 5 5 1791.1 24.6 Details
43 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 18.1 Details
44 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 -13.4 Details
45 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 5.9 Details
46 Incognito Invitational 2024 (A) Standard 2024-07-21 2024-07-21 Bojanala Platina (NBR) 5 1627.8 5 1 1282.7 -35.7 Details
47 Bojanala's Clash Of Schools 2024 (U13) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1627.8 5 4 1574.7 -5.6 Details
48 JMC NG Weltevreden Church 2024 Rapid 2024-06-29 2024-06-29 Johannesburg Metro (GJM) 7 1627.8 6 3.5 1496.7 -7.1 Details
49 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 -38.8 Details
50 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 23.7 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 74
Wins 41
Draws 10
Losses 23
White 40
Black 34
White wins 21
Black wins 20
Score 46
Percent 62.2
Dp 103.4
AOR 1527.3
Performance 1630.6
Game statistics (History)
Games 490
Wins 273
Draws 40
Losses 177
White 251
Black 239
White wins 143
Black wins 130
Score 293
Percent 59.8
Dp 83.3
AOR 1404.6
Performance 1487.8
Rankings (Main)
National
Overall 916
Gender 851
Age group 97
Gender/Age 85
Provincial
Overall 68
Gender 63
Age group 6
Gender/Age 5
Regional
Overall 54
Gender 50
Age group 5
Gender/Age 4
Rankings (Standard)
National
Overall 769
Gender 717
Age group 86
Gender/Age 76
Provincial
Overall 65
Gender 60
Age group 6
Gender/Age 5
Regional
Overall 52
Gender 48
Age group 5
Gender/Age 4
Rankings (Rapid)
National
Overall 760
Gender 675
Age group 123
Gender/Age 102
Provincial
Overall 23
Gender 23
Age group 6
Gender/Age 6
Regional
Overall 22
Gender 22
Age group 6
Gender/Age 6
Rankings (Blitz)
National
Overall 182
Gender 178
Age group 10
Gender/Age 10
Provincial
Overall 12
Gender 12
Age group 1
Gender/Age 1
Regional
Overall 10
Gender 10
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 74
Score 46
Percent 62.2
Aor 1527.3
Dp 103.4
Prat 1630.6
Performance (12 months)
Games 108
Score 65.5
Percent 60.6
Aor 1550.3
Dp 90.5
Prat 1640.8
Performance (History)
Games 490
Score 293
Percent 59.8
Aor 1404.6
Dp 83.3
Prat 1487.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Terblanche, J (Johann) 13 7 6 One For The Ages 2022 (U12) Bojanala's Circuit Championships 1 of 4 2026 (U16) Details
Overall 2 Grobler, R (Rowan) 11 7 4 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Overall 3 Changara, A (Adiel Tavonga) 9 6 3 Lebone II 2022 (D) Bojanala's Clash Of Schools 2026 (Open) Details
Overall 4 Tshetlhe, B (Blessing) 8 3 5 Lebone II 2022 (D) Bojanala Closed Chess Championships 2026 (U16) Details
Overall 5 Ramaboa, T (Thando) 8 5 3 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) South African Junior Closed Chess Championship 2026 (U16 Open) Details
Standard 1 Terblanche, J (Johann) 12 7 5 One For The Ages 2022 (U12) Bojanala's Circuit Championships 1 of 4 2026 (U16) Details
Standard 2 Grobler, R (Rowan) 9 6 3 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Standard 3 Ramaboa, T (Thando) 8 5 3 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) South African Junior Closed Chess Championship 2026 (U16 Open) Details
Standard 4 Tshetlhe, B (Blessing) 8 3 5 Lebone II 2022 (D) Bojanala Closed Chess Championships 2026 (U16) Details
Standard 5 Changara, A (Adiel Tavonga) 7 5 2 Lebone II 2022 (D) Bojanala's Die Rooi Masjien 2026 (Bishops) Details
Rapid 1 Bantseke, B (Boikanyo) 2 0 2 Bojanala School League 2023 (Primary School Open) Robday Bergsig Sport Festival 2025 (Juniors) Details
Blitz 1 Sehularo, K (Kganya) 2 0 2 Bojanala's Kings & Queens 2025 (Blitz) South African Junior Closed Chess Championship 2026 (Blitz) Details