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

PLAYER PAGE

Johannes Cornelis Botha

1110136394
Bojanala Platina (NBR)
Personal
Main rating
Rating 1653.1
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 1611.3
Final +/- 0
New Rating
()
Rating 1653.1
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 79.8
Standard rating
Rating 1659.1
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 1611.3
Final +/- 0
New Rating
()
Rating 1659.1
K-factor 28
Floor 1213.1
Highest 1713.1 (2026-03-01)
Min/Max +/- allowed 79.8
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 1393.9
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 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 1536
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 Incognito Invitational 2024 (A) Standard 2024-07-21 2024-07-21 Bojanala Platina (NBR) 5 1627.8 5 1 1282.7 -35.7 Details
45 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
46 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
47 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
48 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
49 Schoemies' Kwaggarus Chess Getaway 2024 (Senior) Standard 2024-05-18 2024-05-18 Bojanala Platina (NBR) 5 1566.2 5 5 1671.7 10.1 Details
50 Spartan Bishops Chess Championships 2024 (Knights) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1566.2 5 4 1599.1 4.1 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 62
Wins 35
Draws 8
Losses 19
White 34
Black 28
White wins 17
Black wins 18
Score 39
Percent 62.9
Dp 109.7
AOR 1534.2
Performance 1643.9
Game statistics (History)
Games 478
Wins 267
Draws 38
Losses 173
White 245
Black 233
White wins 139
Black wins 128
Score 286
Percent 59.8
Dp 83.6
AOR 1402.4
Performance 1486
Rankings (Main)
National
Overall 775
Gender 721
Age group 69
Gender/Age 61
Provincial
Overall 61
Gender 56
Age group 4
Gender/Age 4
Regional
Overall 50
Gender 46
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 697
Gender 651
Age group 70
Gender/Age 62
Provincial
Overall 62
Gender 58
Age group 4
Gender/Age 4
Regional
Overall 51
Gender 48
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 1065
Gender 920
Age group 195
Gender/Age 159
Provincial
Overall 33
Gender 30
Age group 6
Gender/Age 5
Regional
Overall 30
Gender 27
Age group 6
Gender/Age 5
Rankings (Blitz)
National
Overall 174
Gender 169
Age group 8
Gender/Age 8
Provincial
Overall 12
Gender 12
Age group 1
Gender/Age 1
Regional
Overall 11
Gender 11
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 62
Score 39
Percent 62.9
Aor 1534.2
Dp 109.7
Prat 1643.9
Performance (12 months)
Games 104
Score 62.5
Percent 60.1
Aor 1551.3
Dp 85.8
Prat 1637.1
Performance (History)
Games 478
Score 286
Percent 59.8
Aor 1402.4
Dp 83.6
Prat 1486
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 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
Overall 4 Tshetlhe, B (Blessing) 8 3 5 Lebone II 2022 (D) Bojanala Closed Chess Championships 2026 (U16) Details
Overall 5 Changara, A (Adiel Tavonga) 8 6 2 Lebone II 2022 (D) Bojanala's Die Rooi Masjien 2026 (Bishops) 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 (Adrian Tafara) 7 4 3 Nories Make It Happen 2023 (Rooks) Bojanala's Battle Of Mount Cambridge 2026 (Bishops+Rooks) 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