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

PLAYER PAGE

Cathri Amari Botha

2110130015
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1436.8
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 1294.6
Final +/- 0
New Rating
()
Rating 1436.8
K-factor 32
Floor 1029.1
Highest 1529.1 (2024-10-01)
Min/Max +/- allowed 103.8
Standard rating
Rating 1469.9
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 1395.3
Final +/- 0
New Rating
()
Rating 1469.9
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 Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1446.4 5 3 1376.5 -9.6 Details
2 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
3 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
4 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
5 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
6 Ekurhuleni 1st Standard Tournament 2026 (C) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1452.5 4 2 1465.6 1 Details
7 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1452.5 5 3 1533.8 4.9 Details
8 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
9 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1465.5 8 2 1131.5 -16.1 Details
10 World Youth Championships 2025 Classical 2025-10-04 2025-10-15 FIDE (FID) 11 1465.5 11 3 1432.8 -10 Details
11 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
12 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
13 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
14 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
15 JMC Crawford Sandton 2025 (B) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1521 5 2 1300.1 -20.7 Details
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 Ekurhuleni Trails 3 2024 (U14) Standard 2024-08-24 2024-08-24 Ekurhuleni (GE) 5 1477.6 5 3 1486.2 0.2 Details
27 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
28 Ekurhuleni Trails 2 2024 (U14) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1485 3 2 1392 -4.6 Details
29 AG Visser Open 2024 (C) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1296.9 5 3 1437.3 14.4 Details
30 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1296.9 5 4 1578.3 27.2 Details
31 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
32 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
33 Westwood Open 2024 (A) Standard 2024-04-13 2024-04-13 Ekurhuleni (GE) 5 1368.3 4 2.5 1465.2 7.6 Details
34 Ekurhuleni Open 2024 (B) Standard 2024-04-06 2024-04-06 Ekurhuleni (GE) 5 1368.3 5 2 1214.3 -14.4 Details
35 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
36 2024 Constantiapark Open (B) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1432.3 5 0 1114.2 -30.5 Details
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 Ekurhuleni Trials 2 2023 (U14) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1486.9 5 4 1455.4 -2.2 Details
45 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
46 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
47 Ekhuruleni Chess Trials 1 2023 (U14) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1488 5 4 1472.5 -0.5 Details
48 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
49 Super 8 Skaak 2022 (Seniors) Rapid 2022-10-14 2022-10-14 Bojanala Platina (NBR) 7 1467.2 6 6 1621 13.4 Details
50 ACB Tournament 2022 (A) Standard 2022-10-07 2022-10-08 Ekurhuleni (GE) 5 1467.2 5 2 1248.1 -24.8 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 34
Wins 19
Draws 0
Losses 15
White 18
Black 16
White wins 11
Black wins 8
Score 19
Percent 55.9
Dp 50
AOR 1374.4
Performance 1424.4
Game statistics (History)
Games 380
Wins 205
Draws 20
Losses 155
White 190
Black 190
White wins 104
Black wins 101
Score 215
Percent 56.6
Dp 55.9
AOR 1345.7
Performance 1401.6
Rankings (Main)
National
Overall 2915
Gender 411
Age group 384
Gender/Age 74
Provincial
Overall 993
Gender 143
Age group 130
Gender/Age 26
Regional
Overall 323
Gender 37
Age group 36
Gender/Age 7
Rankings (Standard)
National
Overall 2169
Gender 310
Age group 274
Gender/Age 59
Provincial
Overall 769
Gender 109
Age group 94
Gender/Age 22
Regional
Overall 256
Gender 31
Age group 29
Gender/Age 7
Rankings (Rapid)
National
Overall 2000
Gender 336
Age group 390
Gender/Age 86
Provincial
Overall 402
Gender 70
Age group 73
Gender/Age 23
Regional
Overall 150
Gender 19
Age group 17
Gender/Age 6
Rankings (Blitz)
National
Overall 539
Gender 53
Age group 56
Gender/Age 10
Provincial
Overall 192
Gender 26
Age group 16
Gender/Age 4
Regional
Overall 102
Gender 13
Age group 6
Gender/Age 3
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 34
Score 19
Percent 55.9
Aor 1374.4
Dp 50
Prat 1424.4
Performance (12 months)
Games 72
Score 34
Percent 47.2
Aor 1423.1
Dp -23.6
Prat 1399.5
Performance (History)
Games 380
Score 215
Percent 56.6
Aor 1345.7
Dp 55.9
Prat 1401.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Williams, A (Anika) 4 1 3 South African Junior Closed Chess Championships 2022 (U12 Girls) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Overall 2 Horn, E (Erin) 4 1 3 Ekurhuleni Chess Open 2022 (D) Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Details
Overall 3 Botha, JCC (Johannes Christiaan Corneli) 4 2 2 2024 Constantiapark Open (B) Ekurhuleni 1st Standard Tournament 2026 (C) 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 Jacobs, L (Lillith) 3 2 1 Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Ekurhuleni Trails 3 2024 (U14) Details
Standard 5 Naicker, TK (Taidaeo Keddah) 3 2 1 Ekurhuleni Trials (3) Ekurhuleni Trails 3 2024 (U14) Details