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

PLAYER PAGE

Cathri Amari Botha

2110130015
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1477.1
K-factor 32
Floor 1029.1
Highest 1529.1 (2024-10-01)
Min/Max +/- allowed 104
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1419.1
Final +/- 0
New Rating
()
Rating 1477.1
K-factor 32
Floor 1029.1
Highest 1529.1 (2024-10-01)
Min/Max +/- allowed 103.8
Standard rating
Rating 1494.5
K-factor 32
Floor 1033.2
Highest 1535.6 (2026-02-28)
Min/Max +/- allowed 102.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1466.1
Final +/- 0
New Rating
()
Rating 1494.5
K-factor 32
Floor 1033.2
Highest 1535.6 (2026-02-28)
Min/Max +/- allowed 102.8
Rapid rating
Rating 1305.3
K-factor 36
Floor 852.3
Highest 1632.2 (2022-10-01)
Min/Max +/- allowed 89.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1305.3
K-factor 36
Floor 852.3
Highest 1632.2 (2022-10-01)
Min/Max +/- allowed 89.6
Blitz rating
Rating 1195.1
K-factor 36
Floor 745.4
Highest 1245.4 (2025-05-05)
Min/Max +/- allowed 155.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1195.1
K-factor 36
Floor 745.4
Highest 1245.4 (2025-05-05)
Min/Max +/- allowed 155.4
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 JMC Closed 2026 (U16) Standard 2026-08-01 2026-08-02 Johannesburg Metro (GJM) 5 1477.1 5 4 1643.5 34.3 Details
2 MCA Winter Chill Classic 2026 (Advanced) Standard 2026-07-26 2026-07-26 Johannesburg Metro (GJM) 5 1436.8 5 2.5 1468.1 5.9 Details
3 JMC Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1446.4 5 3 1376.5 -9.6 Details
4 JMC Crawford Sandton Rapid 2026 (Open) Rapid 2026-05-09 2026-05-09 Johannesburg Metro (GJM) 5 1481.2 5 2 1166.1 -34.7 Details
5 2026 Silver Lakes Open Chess Tournament (B) Standard 2026-03-07 2026-03-07 Tshwane (GTP) 5 1517.1 5 1 1294.3 -36 Details
6 Grey College Team Championship 2026 (B) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1452.5 5 5 1712.2 25.2 Details
7 JCC ChessPowerHouse Feb Rapid 2026 (B) Rapid 2026-02-15 2026-02-15 Johannesburg Metro (GJM) 5 1452.5 5 3 1430.8 -1.7 Details
8 Ekurhuleni 1st Standard Tournament 2026 (C) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1452.5 4 2 1465.6 1 Details
9 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1452.5 5 3 1533.8 4.9 Details
10 Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1459.1 5 2.5 1423.2 -4.7 Details
11 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1465.5 8 2 1131.5 -16.1 Details
12 World Youth Championships 2025 Classical 2025-10-04 2025-10-15 FIDE (FID) 11 1465.5 11 3 1432.8 -10 Details
13 Laerskool Eligwa Open 20 Sept 2025 (C) Standard 2025-09-20 2025-09-20 Sedibeng (GSV) 5 1475.2 5 3 1489.9 0.8 Details
14 Sedibeng Chess Open 06 Sept 2025 (B) Standard 2025-09-06 2025-09-06 Sedibeng (GSV) 5 1475.2 4 1 1324.6 -11.8 Details
15 JMC Closed 2025 (U16) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1464.3 5 3.5 1531.6 6.8 Details
16 JMC Helpmekaar 2025 (B) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1483.1 5 0.5 1145.5 -32.2 Details
17 JMC Crawford Sandton 2025 (B) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1521 5 2 1300.1 -20.7 Details
18 2025 Silver Lakes Chess Club Open Chess Tournament (C) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1521 5 3 1496.9 -3 Details
19 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1454.1 11 2 1433.1 -2 Details
20 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1454.1 11 2 1463.1 -1.6 Details
21 South African Junior Closed Chess Championships 2025 (U14 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1454.1 9 6 1673 45.4 Details
22 JMC Crawford Ruimsig 2025 (B) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1456.8 4 0.5 1060 -30.9 Details
23 Grey College Team Championship 2025 (A) Standard 2025-02-21 2025-02-22 Mangaung (FMB) 5 1462.7 5 3 1327.1 -13.9 Details
24 MCA Welcome 2025 (Advanced) Standard 2025-02-15 2025-02-15 Johannesburg Metro (GJM) 5 1462.7 5 2.5 1486.6 1.7 Details
25 Gauteng Inter-Region at UJ 2024 (U14 Girls) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1501.2 4 1.5 1246.3 -24 Details
26 Gauteng Top Schools 2024 (U13 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1529.1 5 2.5 1341.3 -17.4 Details
27 Ekurhuleni North Schools Finals - Teams 2024 (U13 Open) Standard 2024-08-03 2024-08-03 Ekurhuleni (GE) 5 1477.6 5 5 1677.7 20.6 Details
28 Ekurhuleni Trails 3 2024 (U14) Standard 2024-08-24 2024-08-24 Ekurhuleni (GE) 5 1477.6 5 3 1486.2 0.2 Details
29 Gauteng Schools Individuals Finals 2024 (U13 Girls) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1477.6 5 4 1602.7 11.5 Details
30 Ekurhuleni Trails 2 2024 (U14) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1485 3 2 1392 -4.6 Details
31 AG Visser Open 2024 (C) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1296.9 5 3 1437.3 14.4 Details
32 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1296.9 5 4 1578.3 27.2 Details
33 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Standard 2024-05-11 2024-05-11 Ekurhuleni (GE) 5 1296.9 5 5 1749.6 44.8 Details
34 South African Junior Closed Chess Championship 2024 (U14 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1357.4 9 2 1181.8 -37.8 Details
35 Westwood Open 2024 (A) Standard 2024-04-13 2024-04-13 Ekurhuleni (GE) 5 1368.3 4 2.5 1465.2 7.6 Details
36 Ekurhuleni Open 2024 (B) Standard 2024-04-06 2024-04-06 Ekurhuleni (GE) 5 1368.3 5 2 1214.3 -14.4 Details
37 JNW Open - Classic - Crawford 2024 (B) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1383.7 5 2 1292 -9.6 Details
38 2024 Constantiapark Open (B) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1432.3 5 0 1114.2 -30.5 Details
39 2024 Gauteng Inter-Region Chess Championship (U14 Girls) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1495.6 4 1 1165.8 -28.9 Details
40 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1495.6 5 2.5 1376.7 -10.6 Details
41 2023 Gauteng Top Schools (U13 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1504.6 5 3 1439.5 -5.5 Details
42 2023 Ekurhuleni North District Schools Finals (U13) Standard 2023-07-29 2023-07-29 Ekurhuleni (GE) 5 1442.1 5 5 1656.6 21.9 Details
43 Gauteng Open Arnold Classic 2023 (C) Standard 2023-05-20 2023-05-20 Tshwane (GTP) 5 1378.8 5 2.5 1237.2 -14.4 Details
44 Gauteng Schools Individual Finals 2023 (U13 Girls) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1378.8 5 4 1545.8 17.1 Details
45 Ekurhuleni North Schools Individual Finals 2023 (U13 Girls) Standard 2023-05-12 2023-05-12 Ekurhuleni (GE) 5 1378.8 5 5 1660.8 27.1 Details
46 Ekurhuleni Trials 2 2023 (U14) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1486.9 5 4 1455.4 -2.2 Details
47 Alberton Chess Club Tournament 1 2023 (B) Standard 2023-04-15 2023-04-15 Ekurhuleni (GE) 5 1486.9 5 2 1190 -29.4 Details
48 2023 South African Junior Closed Chess Championships (U12 Girls) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1486.9 9 4.5 1310.8 -36 Details
49 Ekhuruleni Chess Trials 1 2023 (U14) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1488 5 4 1472.5 -0.5 Details
50 2022 South African Junior Team Chess Championships (U10+U12 Girls) Classical 2022-12-04 2022-12-07 4 Knights (4K) 5 1449 5 5 1663.2 24.6 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 44
Wins 25
Draws 1
Losses 18
White 23
Black 21
White wins 15
Black wins 10
Score 25.5
Percent 58
Dp 67.6
AOR 1386.7
Performance 1454.3
Game statistics (History)
Games 390
Wins 211
Draws 21
Losses 158
White 195
Black 195
White wins 108
Black wins 103
Score 221.5
Percent 56.8
Dp 57.8
AOR 1347.8
Performance 1405.6
Rankings (Main)
National
Overall 2275
Gender 303
Age group 272
Gender/Age 54
Provincial
Overall 787
Gender 104
Age group 87
Gender/Age 20
Regional
Overall 265
Gender 34
Age group 25
Gender/Age 7
Rankings (Standard)
National
Overall 1851
Gender 251
Age group 223
Gender/Age 42
Provincial
Overall 683
Gender 91
Age group 75
Gender/Age 18
Regional
Overall 241
Gender 32
Age group 24
Gender/Age 7
Rankings (Rapid)
National
Overall 2045
Gender 356
Age group 361
Gender/Age 79
Provincial
Overall 443
Gender 81
Age group 77
Gender/Age 22
Regional
Overall 146
Gender 18
Age group 16
Gender/Age 6
Rankings (Blitz)
National
Overall 546
Gender 48
Age group 62
Gender/Age 11
Provincial
Overall 180
Gender 25
Age group 15
Gender/Age 4
Regional
Overall 97
Gender 12
Age group 6
Gender/Age 3
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 44
Score 25.5
Percent 58
Aor 1386.7
Dp 67.6
Prat 1454.3
Performance (12 months)
Games 73
Score 36
Percent 49.3
Aor 1421.8
Dp -5.8
Prat 1416
Performance (History)
Games 390
Score 221.5
Percent 56.8
Aor 1347.8
Dp 57.8
Prat 1405.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Botha, JCC (Johannes Christiaan Corneli) 4 2 2 2024 Constantiapark Open (B) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Overall 2 Williams, A (Anika) 4 1 3 South African Junior Closed Chess Championships 2022 (U12 Girls) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Overall 3 Horn, E (Erin) 4 1 3 Ekurhuleni Chess Open 2022 (D) Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Details
Overall 4 Maharaj, A (Arya) 3 2 1 Gauteng Schools Individual Finals 2023 (U13 Girls) South African Junior Closed Chess Championship 2024 (U14 Girls) Details
Overall 5 Rautenbach, H (Helen Christine) 3 2 1 2022 Gauteng Interregion (U12 Girls) South African Junior Closed Chess Championship 2024 (U14 Girls) Details
Standard 1 Botha, JCC (Johannes Christiaan Corneli) 4 2 2 2024 Constantiapark Open (B) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Standard 2 Williams, A (Anika) 4 1 3 South African Junior Closed Chess Championships 2022 (U12 Girls) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Standard 3 Horn, E (Erin) 4 1 3 Ekurhuleni Chess Open 2022 (D) Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Details
Standard 4 Bothma, J (Jaculene) 3 0 3 Ekurhuleni North Schools Individual 2021 (D) Ekhuruleni Chess Trials 1 2023 (U14) Details
Standard 5 Rautenbach, H (Helen Christine) 3 2 1 2022 Gauteng Interregion (U12 Girls) South African Junior Closed Chess Championship 2024 (U14 Girls) Details