Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Cathri Amari Botha

2110130015
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1481.2
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 1433.6
Final +/- 0
New Rating
()
Rating 1481.2
K-factor 32
Floor 1029.1
Highest 1529.1 (2024-10-01)
Min/Max +/- allowed 103.8
Standard rating
Rating 1489.6
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 1454.1
Final +/- 0
New Rating
()
Rating 1489.6
K-factor 32
Floor 1033.2
Highest 1535.6 (2026-02-28)
Min/Max +/- allowed 102.8
Rapid rating
Rating 1352.3
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 1352.3
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 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
2 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
3 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
4 Ekurhuleni 1st Standard Tournament 2026 (C) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1452.5 4 2 1465.6 1 Details
5 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1452.5 5 3 1533.8 4.9 Details
6 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
7 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1465.5 8 2 1131.5 -16.1 Details
8 World Youth Championships 2025 Classical 2025-10-04 2025-10-15 FIDE (FID) 11 1465.5 11 3 1432.8 -10 Details
9 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
10 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
11 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
12 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
13 JMC Crawford Sandton 2025 (B) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1521 5 2 1300.1 -20.7 Details
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 Ekurhuleni Trails 3 2024 (U14) Standard 2024-08-24 2024-08-24 Ekurhuleni (GE) 5 1477.6 5 3 1486.2 0.2 Details
25 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
26 Ekurhuleni Trails 2 2024 (U14) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1485 3 2 1392 -4.6 Details
27 AG Visser Open 2024 (C) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1296.9 5 3 1437.3 14.4 Details
28 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1296.9 5 4 1578.3 27.2 Details
29 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
30 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
31 Westwood Open 2024 (A) Standard 2024-04-13 2024-04-13 Ekurhuleni (GE) 5 1368.3 4 2.5 1465.2 7.6 Details
32 Ekurhuleni Open 2024 (B) Standard 2024-04-06 2024-04-06 Ekurhuleni (GE) 5 1368.3 5 2 1214.3 -14.4 Details
33 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
34 2024 Constantiapark Open (B) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1432.3 5 0 1114.2 -30.5 Details
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 Ekurhuleni Trials 2 2023 (U14) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1486.9 5 4 1455.4 -2.2 Details
43 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
44 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
45 Ekhuruleni Chess Trials 1 2023 (U14) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1488 5 4 1472.5 -0.5 Details
46 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
47 Super 8 Skaak 2022 (Seniors) Rapid 2022-10-14 2022-10-14 Bojanala Platina (NBR) 7 1467.2 6 6 1621 13.4 Details
48 ACB Tournament 2022 (A) Standard 2022-10-07 2022-10-08 Ekurhuleni (GE) 5 1467.2 5 2 1248.1 -24.8 Details
49 Ekurhuleni Chess Springs Club Open 2022 (D) Standard 2022-09-03 2022-09-03 Ekurhuleni (GE) 5 1496.4 5 3 1314 -18.3 Details
50 JMC 2nd Trials 2022 (C) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 1381.3 5 4 1494.8 12 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 24
Wins 14
Draws 0
Losses 10
White 14
Black 10
White wins 9
Black wins 5
Score 14
Percent 58.3
Dp 70.8
AOR 1417.4
Performance 1488.2
Game statistics (History)
Games 370
Wins 200
Draws 20
Losses 150
White 186
Black 184
White wins 102
Black wins 98
Score 210
Percent 56.8
Dp 57.4
AOR 1347.7
Performance 1405.1
Rankings (Main)
National
Overall 2101
Gender 269
Age group 238
Gender/Age 46
Provincial
Overall 713
Gender 99
Age group 76
Gender/Age 19
Regional
Overall 247
Gender 32
Age group 23
Gender/Age 7
Rankings (Standard)
National
Overall 1872
Gender 240
Age group 217
Gender/Age 39
Provincial
Overall 658
Gender 88
Age group 72
Gender/Age 17
Regional
Overall 226
Gender 29
Age group 23
Gender/Age 6
Rankings (Rapid)
National
Overall 1238
Gender 187
Age group 234
Gender/Age 57
Provincial
Overall 211
Gender 33
Age group 33
Gender/Age 13
Regional
Overall 98
Gender 10
Age group 8
Gender/Age 3
Rankings (Blitz)
National
Overall 488
Gender 50
Age group 56
Gender/Age 10
Provincial
Overall 169
Gender 26
Age group 14
Gender/Age 4
Regional
Overall 83
Gender 9
Age group 4
Gender/Age 2
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 24
Score 14
Percent 58.3
Aor 1417.4
Dp 70.8
Prat 1488.2
Performance (12 months)
Games 77
Score 34.5
Percent 44.8
Aor 1443.7
Dp -44.2
Prat 1399.5
Performance (History)
Games 370
Score 210
Percent 56.8
Aor 1347.7
Dp 57.4
Prat 1405.1
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 Hu-Grobbelaar, L (Lalu) 3 1 2 Ekurhuleni Chess Open 2022 (D) Ekurhuleni Chess Springs Club Open 2022 (D) Details
Overall 5 Horn, E (Evan) 3 0 3 Gauteng Open Arnold Classic 2023 (C) Goue Liga Blitz 2025 Details
Standard 1 Horn, E (Erin) 4 1 3 Ekurhuleni Chess Open 2022 (D) Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Details
Standard 2 Botha, JCC (Johannes Christiaan Corneli) 4 2 2 2024 Constantiapark Open (B) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Standard 3 Williams, A (Anika) 4 1 3 South African Junior Closed Chess Championships 2022 (U12 Girls) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Standard 4 Kriel, D (Darius Kidon) 3 1 2 Ekhuruleni Chess Trials 1 2023 (U14) 2023 Ekurhuleni North District Schools Finals (U13) Details
Standard 5 Naicker, TK (Taidaeo Keddah) 3 2 1 Ekurhuleni Trials (3) Ekurhuleni Trails 3 2024 (U14) Details