PLAYER PAGE

Personal

Botha, JCC (Johannes Christiaan Corneli)

Chess SA id

1110118128

FIDE id

?

Date of birth

2011-12-21 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-12-07

Personal details last changed

2025-02-25

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1646.5 1641.6 1255.6 1362
Raw rating 1646.5 1641.6 1255.6 1362
Weighted rating 1619.5 1612.8 1255.6 1237.3
Weighted performance 1563.2 1583.6 0 0
Floor 1166 1162.5 755.6 862
K-factor 28 28 36 36
Min/Max rating change allowed 87.8 88.4 153.2 131.6
Highest rating 1682.7
2024-09-01
1679.8
2022-06-01
1388.8
2022-10-01
1362
2025-11-01
Highest raw rating 1666
2024-11-01
1662.5
2022-07-01
1255.6
2024-02-01
1362
2025-11-01
Highest weighted rating 1619.5
2026-01-01
1612.8
2026-01-01
1255.6
2024-10-01
1213
2025-11-01
Highest weighted performance 1682.7
2024-09-01
1679.8
2022-06-01
1388.8
2022-10-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1646.5 1641.6 1255.6 1362
Analysis
Rating 1646.5 1641.6 1255.6 1362
Raw rating 1646.5 1641.6 1255.6 1362
Weighted rating 1619.5 1612.8 1255.6
Weighted performance 1563.2 1583.6 0
K-factor 28 28 36 36
Floor 1166 1162.5 755.6 862
Max/Min rating change allowed 87.8 88.4 153.2 131.6
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1646.5 1641.6 1255.6 1362
New weighted rating 1622.6 1616.1 1255.6 1248.6
New weighted performance 1552.8 1573 0 0
Temp new rating 1646.5 1641.6 1255.6 1362
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1646.5 1641.6 1255.6 1362
New K-factor 28 28 36 36
New floor 1166 1162.5 755.6 862

Item Main Standard Rapid Blitz
0 0 0 0
70 61 0 9
81 81 0 0
48 48 0 0
104 98 6 0
10 10 0 0
History 323 308 6 9

Games since
Main
151
Standard
142
Rapid
0
Blitz
9
Gender Male
Age group U16
Region Johannesburg Metro (GJM)
Province Gauteng (GT)
Main
RSA Province Region
Overall 548 205 80
Male 500 187 68
U16 58 25 10
U16 Male 50 21 8
Standard
RSA Province Region
Overall 552 208 76
Male 504 188 63
U16 65 25 10
U16 Male 57 21 8
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 70 45.5 65 127.5 1471 1598.5
Standard 61 36.5 59.84 83.6 1501.5 1585.2
Rapid 0 0 0 0 0 0
Blitz 9 9 100 425 1264.2 1689.2
History
Games Score % Dp AvgOpp Performance
Main 323 222.5 68.89 160.5 1369.5 1530
Standard 308 208.5 67.69 150.4 1375.1 1525.5
Rapid 6 5 83.33 283.3 1239 1522.3
Blitz 9 9 100 425 1264.2 1689.2

Date Main Standard Rapid Blitz
2026-01-01 1646.5 1641.6 1255.6 1362
2025-11-30 1623.4 1613.6 1255.6 1362
2025-11-01 1623.4 1613.6 1255.6 1362
2025-09-30 1621.2 1618.4 1255.6 1200
2025-09-01 1641 1638.8 1255.6 1200
2025-08-01 1613.5 1608.6 1255.6 1200
2025-07-01 1613.5 1608.6 1255.6 1200
2025-06-01 1603.2 1596.3 1255.6 1200
2025-05-01 1602.4 1595.5 1255.6 1200
2025-04-01 1601.5 1594.5 1255.6 1200
2025-03-01 1606.1 1597.6 1255.6 1200
2025-02-01 1632.8 1626.3 1255.6 1200
2025-01-01 1632.8 1626.3 1255.6 1200
2024-12-01 1666 1660.7 1255.6 1200
2024-11-01 1666 1660.7 1255.6 1200
2024-10-01 1665.3 1659.9 1255.6 1200
2024-09-01 1597.4 1586 1255.6 1200
2024-11-01 1597.4 1586 1255.6 1200
2024-07-01 1588.7 1574.4 1255.6 1200
2024-06-01 1467.3 1456.6 1255.6 1200
2024-05-01 1564.1 1556.4 1255.6 1200
2024-04-01 1572.5 1568.2 1255.6 1200
2024-03-01 1564.8 1558.4 1255.6 1200
2024-02-01 1576.7 1574.9 1255.6 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
2 Goue Liga Blitz 2025 2025-10-25 2025-10-25 Blitz Johannesburg Metro (GJM) 9 9 9 Yes Analysis
3 2025 Gauteng Top Schools Teams (U17) 2025-08-30 2025-08-30 Standard Tshwane (GTP) 5 5 4 Yes Analysis
4 Laerskool Eligwa Open 20 Sept 2025 (A+B) 2025-09-20 2025-09-20 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
5 Tshwane Chess Club Clash 2025 (Open) 2025-09-13 2025-09-13 Standard Tshwane (GTP) 5 5 2 Yes Analysis
6 Sedibeng Chess Open 06 Sept 2025 (B) 2025-09-06 2025-09-06 Standard Sedibeng (GSV) 5 4 4 Yes Analysis
7 JMC Closed 2025 (U16) 2025-08-09 2025-08-10 Standard Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
8 JMC Helpmekaar 2025 (B) 2025-06-01 2025-06-01 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
9 JMC Crawford Sandton 2025 (B) 2025-05-10 2025-05-10 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
10 2025 Silver Lakes Chess Club Open Chess Tournament (B) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
11 South African Junior Closed Chess Championships 2025 (U14 Open) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 4 Yes Analysis
12 JMC Crawford Ruimsig 2025 (A) 2025-03-01 2025-03-01 Standard Johannesburg Metro (GJM) 5 4 1 Yes Analysis
13 Grey College Team Championship 2025 (B) 2025-02-21 2025-02-22 Standard Mangaung (FMB) 5 5 4 Yes Analysis
14 MCA Welcome 2025 (Expert) 2025-02-15 2025-02-15 Standard Johannesburg Metro (GJM) 5 4 1 Yes Analysis
15 Gauteng Inter-Region at UJ 2024 (U14 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 1.5 Yes Analysis
16 Gauteng Top Schools 2024 (U13 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
17 Ekurhuleni North Schools Finals - Teams 2024 (U13 Open) 2024-08-03 2024-08-03 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
18 Ekurhuleni Trails 3 2024 (U14) 2024-08-24 2024-08-24 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
19 Gauteng Schools Individuals Finals 2024 (U13 Boys) 2024-08-16 2024-08-16 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
20 Ekurhuleni Trails 2 2024 (U14) 2024-07-27 2024-07-27 Standard Ekurhuleni (GE) 5 4 3 Yes Analysis
21 AG Visser Open 2024 (C) 2024-06-08 2024-06-08 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
22 Ekurhuleni Trails 1 2024 (U14) 2024-06-01 2024-06-01 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
23 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Boys) 2024-05-11 2024-05-11 Standard Ekurhuleni (GE) 5 4 4 Yes Analysis
24 South African Junior Closed Chess Championship 2024 (U14 Open) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 2 Yes Analysis
25 JMC Helpmekaar Kollege Tournament 2024 (B) 2024-05-04 2024-05-04 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
26 Westwood Open 2024 (A) 2024-04-13 2024-04-13 Standard Ekurhuleni (GE) 5 4 3 Yes Analysis
27 JNW Open - Classic - Crawford 2024 (B) 2024-03-09 2024-03-09 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
28 2024 Constantiapark Open (B) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
29 2024 Gauteng Inter-Region Chess Championship (U14A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 3 Yes Analysis
30 JMC Kick Off Tournament 2024 (B) 2024-01-28 2024-01-28 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
31 2023 Gauteng Top Schools (U13 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 5 Yes Analysis
32 2023 Ekurhuleni North District Schools Finals (U13) 2023-07-29 2023-07-29 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
33 Gauteng Open Arnold Classic 2023 (Open) 2023-05-20 2023-05-21 Standard Tshwane (GTP) 5 4 0 Yes Analysis
34 Gauteng Schools Individual Finals 2023 (U13 Boys) 2023-05-26 2023-05-26 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
35 Ekurhuleni North Schools Individual Finals 2023 (U13 Boys) 2023-05-12 2023-05-12 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
36 Ekurhuleni Trials 2 2023 (U14) 2023-04-22 2023-04-22 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
37 Alberton Chess Club Tournament 1 2023 (B) 2023-04-15 2023-04-15 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
38 2023 South African Junior Closed Chess Championships (U12 Open) 2023-03-31 2023-04-04 Standard Chess South Africa (CSA) 9 9 5 Yes Analysis
39 Ekhuruleni Chess Trials 1 2023 (U14) 2023-03-25 2023-03-25 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
40 2022 South African Junior Team Chess Championships (U12 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 6 Yes Analysis
41 Super 8 Skaak 2022 (Seniors) 2022-10-14 2022-10-14 Rapid Bojanala Platina (NBR) 7 6 5 Yes Analysis
42 ACB Tournament 2022 (A) 2022-10-07 2022-10-08 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
43 Ekurhuleni Chess Springs Club Open 2022 (C) 2022-09-03 2022-09-03 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
44 JMC 2nd Trials 2022 (B) 2022-08-27 2022-08-27 Standard Johannesburg Metro (GJM) 5 1 0 Yes Analysis
45 2022 Gauteng Schools Team Championships (U11 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
46 Ekurhuleni-North Schools Teams 2022 (U11) 2022-08-06 2022-08-06 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
47 JNW Helpmekaar 2022 (Challengers) 2022-07-09 2022-07-09 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
48 JMC Trials 1 - Laerskool Fontainebleau 2022 (U12) 2022-07-24 2022-07-24 Standard Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
49 Alberton Chess Club Open 2022 (B) 2022-07-16 2022-07-16 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
50 ACB Invitation Chess Tournament 2022 (U11+U13) 2022-06-11 2022-06-11 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
51 2022 Gauteng Schools Individual Chess Championship (U11 Boys) 2022-06-18 2022-06-18 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
52 Ekurhuleni-North Schools Finals Indiv 2022 (U11 Boys) 2022-05-13 2022-05-13 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
53 Ekurhuleni Trials 2 2022 (U12) 2022-05-28 2022-05-28 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
54 ACB Premier 2022 (Primary School) 2022-03-19 2022-03-19 Standard Ekurhuleni (GE) 5 5 5 Yes Analysis
55 ACB Premier 2022 (U15) 2022-03-21 2022-03-21 Standard Ekurhuleni (GE) 7 7 4 Yes Analysis
56 South African Junior Closed Chess Championships 2022 (U12 Open) 2022-03-28 2022-04-02 Standard Chess South Africa (CSA) 11 11 4.5 Yes Analysis
57 2022 Gauteng Interregion (U12 Open) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
58 Ekurhuleni Chess Open 2022 (D) 2022-01-08 2022-01-09 Standard Ekurhuleni (GE) 7 7 5 Yes Analysis
59 Ekurhuleni Trials (3) 2021-11-06 2021-11-06 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
60 Ekurhuleni North Schools Individual 2021 (C) 2021-09-11 2021-09-11 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
61 2019 South African Top Schools Team Championships (U9 Open+U11 Girls) 2020-01-10 2020-01-11 Standard 4 Knights (4K) 5 5 0 Yes Analysis
62 2019 Gauteng School League Finals (U9 Open) 2019-08-23 2019-08-23 Standard Tshwane (GTP) 5 5 4 Yes Analysis

Top 3 Streaks

# Games Start End
1 21 Tournament
Ekurhuleni-North Schools Finals Indiv 2022
Tournament
JNW Helpmekaar 2022
date
2022-05-13
rnd
1
type
Standard
result
1
date
2022-07-09
rnd
1
type
Standard
result
1
Opponent
Hlophe, S (Sfundo)
Opponent
Strydom, L (Leyan)
2 14 Tournament
Alberton Chess Club Open 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-07-16
rnd
5
type
Standard
result
1
date
2022-08-27
rnd
3
type
Standard
result
1
Opponent
Phenyane, S (Samukelisiwe)
Opponent
Botha, RMJ (Robert)
3 12 Tournament
Ekurhuleni North Schools Finals - Teams 2024
Tournament
Ekurhuleni Trails 3 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-24
rnd
2
type
Standard
result
1
Opponent
Myburgh, L (Liam)
Opponent
Stols, C (Christopher Jayden)
# Games Start End
1 21 Tournament
Ekurhuleni-North Schools Finals Indiv 2022
Tournament
JNW Helpmekaar 2022
date
2022-05-13
rnd
1
type
Standard
result
1
date
2022-07-09
rnd
1
type
Standard
result
1
Opponent
Hlophe, S (Sfundo)
Opponent
Strydom, L (Leyan)
2 14 Tournament
Alberton Chess Club Open 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-07-16
rnd
5
type
Standard
result
1
date
2022-08-27
rnd
3
type
Standard
result
1
Opponent
Phenyane, S (Samukelisiwe)
Opponent
Botha, RMJ (Robert)
3 12 Tournament
Ekurhuleni North Schools Finals - Teams 2024
Tournament
Ekurhuleni Trails 3 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-24
rnd
2
type
Standard
result
1
Opponent
Myburgh, L (Liam)
Opponent
Stols, C (Christopher Jayden)
# Games Start End
1 3 Tournament
Super 8 Skaak 2022
Tournament
Super 8 Skaak 2022
date
2022-10-14
rnd
1
type
Rapid
result
1
date
2022-10-14
rnd
4
type
Rapid
result
1
Opponent
Wessels, W (Wessel)
Opponent
Van Der Merwe, M (Marthinus)
2 2 Tournament
Super 8 Skaak 2022
Tournament
Super 8 Skaak 2022
date
2022-10-14
rnd
6
type
Rapid
result
1
date
2022-10-14
rnd
7
type
Rapid
result
1
Opponent
Krugel, L (Lian)
Opponent
De Wit, E (Elgin)
No games found.
# Games Start End
# Games Start End
1 21 Tournament
Ekurhuleni-North Schools Finals Indiv 2022
Tournament
JNW Helpmekaar 2022
date
2022-05-13
rnd
1
type
Standard
result
1
date
2022-07-09
rnd
1
type
Standard
result
1
Opponent
Hlophe, S (Sfundo)
Opponent
Strydom, L (Leyan)
2 12 Tournament
Ekurhuleni North Schools Finals - Teams 2024
Tournament
Ekurhuleni Trails 3 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-24
rnd
2
type
Standard
result
1
Opponent
Myburgh, L (Liam)
Opponent
Stols, C (Christopher Jayden)
3 11 Tournament
JMC Trials 1 - Laerskool Fontainebleau 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-07-24
rnd
3
type
Standard
result
1
date
2022-08-27
rnd
3
type
Standard
result
1
Opponent
Maharaj, A (Aditi)
Opponent
Botha, RMJ (Robert)
# Games Start End
1 21 Tournament
Ekurhuleni-North Schools Finals Indiv 2022
Tournament
JNW Helpmekaar 2022
date
2022-05-13
rnd
1
type
Standard
result
1
date
2022-07-09
rnd
1
type
Standard
result
1
Opponent
Hlophe, S (Sfundo)
Opponent
Strydom, L (Leyan)
2 12 Tournament
Ekurhuleni North Schools Finals - Teams 2024
Tournament
Ekurhuleni Trails 3 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-24
rnd
2
type
Standard
result
1
Opponent
Myburgh, L (Liam)
Opponent
Stols, C (Christopher Jayden)
3 11 Tournament
JMC Trials 1 - Laerskool Fontainebleau 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-07-24
rnd
3
type
Standard
result
1
date
2022-08-27
rnd
3
type
Standard
result
1
Opponent
Maharaj, A (Aditi)
Opponent
Botha, RMJ (Robert)
# Games Start End
1 3 Tournament
Super 8 Skaak 2022
Tournament
Super 8 Skaak 2022
date
2022-10-14
rnd
1
type
Rapid
result
1
date
2022-10-14
rnd
4
type
Rapid
result
1
Opponent
Wessels, W (Wessel)
Opponent
Van Der Merwe, M (Marthinus)
2 2 Tournament
Super 8 Skaak 2022
Tournament
Super 8 Skaak 2022
date
2022-10-14
rnd
6
type
Rapid
result
1
date
2022-10-14
rnd
7
type
Rapid
result
1
Opponent
Krugel, L (Lian)
Opponent
De Wit, E (Elgin)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Robinson ,E (Ethan) 5 4 255 5 4 255 0 0 0 0 0 0
1464.9 1719.9 1463.7 1719.9 0 0 0 0
2 Tema ,O (Ofana) 4 2.5 106.2 4 2.5 106.2 0 0 0 0 0 0
1445.6 1551.8 1430.6 1551.8 0 0 0 0
3 Deysel ,K (Kaleb) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1606.2 1393.7 1599.1 1393.7 0 0 0 0
4 Kotzee ,A (Armand) 4 3 212.5 3 2 141.7 1 1 425 0 0 0
1433.8 1646.3 1436.8 1575.5 1200 1858.8 0 0
5 Yang ,JD (Daniel) 3 1.5 0 3 1.5 0 0 0 0 0 0 0
1540 1540 1529.3 1540 0 0 0 0
6 Ambrose ,I (Isabella) 3 3 425 3 3 425 0 0 0 0 0 0
1323.2 1748.2 1329 1748.2 0 0 0 0
7 Kalimashe ,T (Tshireletso) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1582.3 1724 1592.8 1724 0 0 0 0
8 Pieterse ,JF (Jurgens Francois) 3 3 425 3 3 425 0 0 0 0 0 0
1196.8 1621.8 1190.3 1621.8 0 0 0 0
9 Smith ,H (Henre) 3 3 425 3 3 425 0 0 0 0 0 0
1178.9 1603.9 1152 1603.9 0 0 0 0
10 Chipunza ,J (Jared) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1560.2 1418.5 1567.3 1418.5 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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