Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Cathri Amari Botha

2110130015
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1517.1
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 1516.3
Final +/- 0
New Rating
()
Rating 1517.1
K-factor 32
Floor 1029.1
Highest 1529.1 (2024-10-01)
Min/Max +/- allowed 103.8
Standard rating
Rating 1535.6
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 1538.8
Final +/- 0
New Rating
()
Rating 1535.6
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 Grey College Team Championship 2026 (B) Standard 2026-02-20 2026-02-21 Mangaung (FMB) 5 1452.5 5 5 1712.2 0 Details
2 JCC ChessPowerHouse Feb Rapid 2026 (B) Rapid 2026-02-15 2026-02-15 Johannesburg Metro (GJM) 5 1452.5 5 3 1430.8 0 Details
3 Ekurhuleni 1st Standard Tournament 2026 (C) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1452.5 4 2 1465.6 0 Details
4 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1452.5 5 3 1533.8 0 Details
5 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 0 Details
6 Goue Liga Blitz 2025 Blitz 2025-10-25 2025-10-25 Johannesburg Metro (GJM) 9 1465.5 8 2 1131.5 0 Details
7 World Youth Championships 2025 Classical 2025-10-04 2025-10-15 FIDE (FID) 11 1465.5 11 3 1432.8 0 Details
8 Laerskool Eligwa Open 20 Sept 2025 (C) Standard 2025-09-20 2025-09-20 Sedibeng (GSV) 5 1475.2 5 3 1489.9 0 Details
9 Sedibeng Chess Open 06 Sept 2025 (B) Standard 2025-09-06 2025-09-06 Sedibeng (GSV) 5 1475.2 4 1 1324.6 0 Details
10 JMC Closed 2025 (U16) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1464.3 5 3.5 1531.6 0 Details
11 JMC Helpmekaar 2025 (B) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1483.1 5 0.5 1145.5 0 Details
12 JMC Crawford Sandton 2025 (B) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1521 5 2 1300.1 0 Details
13 2025 Silver Lakes Chess Club Open Chess Tournament (C) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1521 5 3 1496.9 0 Details
14 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 0 Details
15 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 0 Details
16 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 0 Details
17 JMC Crawford Ruimsig 2025 (B) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1456.8 4 0.5 1060 0 Details
18 Grey College Team Championship 2025 (A) Standard 2025-02-21 2025-02-22 Mangaung (FMB) 5 1462.7 5 3 1327.1 0 Details
19 MCA Welcome 2025 (Advanced) Standard 2025-02-15 2025-02-15 Johannesburg Metro (GJM) 5 1462.7 5 2.5 1486.6 0 Details
20 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 0 Details
21 Gauteng Top Schools 2024 (U13 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1529.1 5 2.5 1341.3 0 Details
22 Ekurhuleni North Schools Finals - Teams 2024 (U13 Open) Standard 2024-08-03 2024-08-03 Ekurhuleni (GE) 5 1477.6 5 5 1677.7 0 Details
23 Ekurhuleni Trails 3 2024 (U14) Standard 2024-08-24 2024-08-24 Ekurhuleni (GE) 5 1477.6 5 3 1486.2 0 Details
24 Gauteng Schools Individuals Finals 2024 (U13 Girls) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1477.6 5 4 1602.7 0 Details
25 Ekurhuleni Trails 2 2024 (U14) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1485 3 2 1392 0 Details
26 AG Visser Open 2024 (C) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1296.9 5 3 1437.3 0 Details
27 Ekurhuleni Trails 1 2024 (U14) Standard 2024-06-01 2024-06-01 Ekurhuleni (GE) 5 1296.9 5 4 1578.3 0 Details
28 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 0 Details
29 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 0 Details
30 Westwood Open 2024 (A) Standard 2024-04-13 2024-04-13 Ekurhuleni (GE) 5 1368.3 4 2.5 1465.2 0 Details
31 Ekurhuleni Open 2024 (B) Standard 2024-04-06 2024-04-06 Ekurhuleni (GE) 5 1368.3 5 2 1214.3 0 Details
32 JNW Open - Classic - Crawford 2024 (B) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1383.7 5 2 1292 0 Details
33 2024 Constantiapark Open (B) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1432.3 5 0 1114.2 0 Details
34 2024 Gauteng Inter-Region Chess Championship (U14 Girls) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1495.6 4 1 1165.8 0 Details
35 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1495.6 5 2.5 1376.7 0 Details
36 2023 Gauteng Top Schools (U13 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1504.6 5 3 1439.5 0 Details
37 2023 Ekurhuleni North District Schools Finals (U13) Standard 2023-07-29 2023-07-29 Ekurhuleni (GE) 5 1442.1 5 5 1656.6 0 Details
38 Gauteng Open Arnold Classic 2023 (C) Standard 2023-05-20 2023-05-20 Tshwane (GTP) 5 1378.8 5 2.5 1237.2 0 Details
39 Gauteng Schools Individual Finals 2023 (U13 Girls) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1378.8 5 4 1545.8 0 Details
40 Ekurhuleni North Schools Individual Finals 2023 (U13 Girls) Standard 2023-05-12 2023-05-12 Ekurhuleni (GE) 5 1378.8 5 5 1660.8 0 Details
41 Ekurhuleni Trials 2 2023 (U14) Standard 2023-04-22 2023-04-22 Ekurhuleni (GE) 5 1486.9 5 4 1455.4 0 Details
42 Alberton Chess Club Tournament 1 2023 (B) Standard 2023-04-15 2023-04-15 Ekurhuleni (GE) 5 1486.9 5 2 1190 0 Details
43 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 0 Details
44 Ekhuruleni Chess Trials 1 2023 (U14) Standard 2023-03-25 2023-03-25 Ekurhuleni (GE) 5 1488 5 4 1472.5 0 Details
45 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 0 Details
46 Super 8 Skaak 2022 (Seniors) Rapid 2022-10-14 2022-10-14 Bojanala Platina (NBR) 7 1467.2 6 6 1621 0 Details
47 ACB Tournament 2022 (A) Standard 2022-10-07 2022-10-08 Ekurhuleni (GE) 5 1467.2 5 2 1248.1 0 Details
48 Ekurhuleni Chess Springs Club Open 2022 (D) Standard 2022-09-03 2022-09-03 Ekurhuleni (GE) 5 1496.4 5 3 1314 0 Details
49 JMC 2nd Trials 2022 (C) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 1381.3 5 4 1494.8 0 Details
50 2022 Gauteng Schools Team Championships (U11 Open) Standard 2022-08-27 2022-08-27 Tshwane (GTP) 5 1381.3 5 5 1668.3 0 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 19
Wins 13
Draws 0
Losses 6
White 11
Black 8
White wins 8
Black wins 5
Score 13
Percent 68.4
Dp 156.6
AOR 1382.7
Performance 1539.3
Game statistics (History)
Games 365
Wins 199
Draws 20
Losses 146
White 183
Black 182
White wins 101
Black wins 98
Score 209
Percent 57.3
Dp 61.7
AOR 1344.9
Performance 1406.6
Rankings (Main)
National
Overall 1639
Gender 177
Age group 173
Gender/Age 32
Provincial
Overall 569
Gender 71
Age group 57
Gender/Age 14
Regional
Overall 202
Gender 26
Age group 18
Gender/Age 5
Rankings (Standard)
National
Overall 1330
Gender 137
Age group 150
Gender/Age 26
Provincial
Overall 491
Gender 57
Age group 50
Gender/Age 11
Regional
Overall 168
Gender 21
Age group 16
Gender/Age 4
Rankings (Rapid)
National
Overall 1211
Gender 186
Age group 233
Gender/Age 59
Provincial
Overall 199
Gender 31
Age group 33
Gender/Age 13
Regional
Overall 91
Gender 9
Age group 8
Gender/Age 3
Rankings (Blitz)
National
Overall 491
Gender 51
Age group 53
Gender/Age 10
Provincial
Overall 168
Gender 25
Age group 13
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 19
Score 13
Percent 68.4
Aor 1382.7
Dp 156.6
Prat 1539.3
Performance (12 months)
Games 103
Score 43.5
Percent 42.2
Aor 1504.9
Dp -66
Prat 1438.9
Performance (History)
Games 365
Score 209
Percent 57.3
Aor 1344.9
Dp 61.7
Prat 1406.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Horn, E (Erin) 4 1 3 Ekurhuleni Chess Open 2022 (D) Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Girls) Details
Overall 2 Botha, JCC (Johannes Christiaan Corneli) 4 2 2 2024 Constantiapark Open (B) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Overall 3 Williams, A (Anika) 4 1 3 South African Junior Closed Chess Championships 2022 (U12 Girls) Ekurhuleni 1st Standard Tournament 2026 (C) Details
Overall 4 Horn, E (Evan) 3 0 3 Gauteng Open Arnold Classic 2023 (C) Goue Liga Blitz 2025 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 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