PLAYER PAGE

Personal

Botha, A (Andrea)

Chess SA id

210091697

FIDE id

?

Date of birth

2010-09-06 (U16)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

19

Junior GPX Points

1318.3

Item Main Standard Rapid Blitz
Rating 1347.1 1354 1160 1151.9
Raw rating 1347.1 1354 1160 1151.9
Weighted rating 1341.6 1350.3 1160 1145.3
Weighted performance 1271 1271.7 0 0
Floor 889.3 887.4 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 134.5 133.1 175.5 177.6
Highest rating 1404.2
2023-08-01
1402.3
2023-08-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1389.3
2023-09-01
1387.4
2023-09-01
1200
2019-12-01
1200
2024-03-01
Highest weighted rating 1389.3
2024-07-01
1387.4
2024-08-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1404.2
2023-08-01
1402.3
2023-08-01
1200
2019-12-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1347.1 1354 1160 1151.9
Analysis
Rating 1347.1 1354 1160 1151.9
Raw rating 1347.1 1354 1160 1151.9
Weighted rating 1341.6 1350.3 1160
Weighted performance 1271 1271.7 0
K-factor 36 36 36 36
Floor 889.3 887.4 700 700
Max/Min rating change allowed 134.5 133.1 175.5 177.6
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 1347.1 1354 1160 1151.9
New weighted rating 1341.6 1350.5 1160 1144.9
New weighted performance 1270.5 1271.2 0 0
Temp new rating 1347.1 1354 1160 1151.9
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1347.1 1354 1160 1151.9
New K-factor 36 36 36 36
New floor 889.3 887.4 700 700

Item Main Standard Rapid Blitz
0 0 0 0
14 14 0 0
44 35 0 9
42 42 0 0
46 46 0 0
14 10 4 0
History 250 237 4 9

Games since
Main
58
Standard
49
Rapid
0
Blitz
9
Gender Female
Age group U16
Region Johannesburg Metro (GJM)
Province Gauteng (GT)
Main
RSA Province Region
Overall 2695 917 272
Female 499 165 40
U16 420 136 39
U16 Female 102 35 9
Standard
RSA Province Region
Overall 2520 917 260
Female 464 163 40
U16 397 137 38
U16 Female 93 33 9
Rapid
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -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 14 8 57.14 60.7 1319.3 1380
Standard 14 8 57.14 60.7 1319.3 1380
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 245 123.5 50.41 3.5 1219.6 1223
Standard 232 120.5 51.94 16.5 1217.6 1234.1
Rapid 4 1 25 -212.5 1303.3 1090.8
Blitz 9 2 22.22 -236.1 1232.6 996.5

Date Main Standard Rapid Blitz
2025-09-30 1347.1 1354 1160 1151.9
2025-09-01 1347.1 1354 1160 1151.9
2025-08-01 1346.4 1356.3 1160 1151.9
2025-07-01 1358.5 1369.9 1160 1151.9
2025-06-01 1358.5 1369.9 1160 1151.9
2025-05-01 1358.5 1369.9 1160 1151.9
2025-04-01 1358.5 1369.9 1160 1151.9
2025-03-01 1358.5 1369.9 1160 1151.9
2025-02-01 1334.4 1339.5 1160 1149.5
2025-01-01 1291.3 1301.7 1160 1097
2024-12-01 1312.6 1326.9 1160 1097
2024-11-01 1312.6 1326.9 1160 1097
2024-10-01 1312.6 1326.9 1160 1097
2024-09-01 1303.9 1323.3 1160 1097
2024-08-01 1312.4 1337.7 1160 1097
2024-07-01 1346 1337.7 1160 1200
2024-06-01 1346 1337.7 1160 1200
2024-08-01 1355.3 1350.7 1160 1200
2024-04-01 1355.3 1350.7 1160 1200
2024-03-01 1362.8 1357.9 1160 1200
2024-02-01 1362.8 1357.9 1160 1200
2024-01-01 1389.3 1387.4 1160 1200
2023-12-01 1389.3 1387.4 1160 1200
2023-11-01 1389.3 1387.4 1160 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 JMC Closed 2025 (C) 2025-08-09 2025-08-10 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
2 South African Open 2025 (U16 Girls) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 4 2 Yes Analysis
3 JMC Kick Off 2025 (C) 2025-02-02 2025-02-02 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 JMC Closed 2025 (C) 2025-08-09 2025-08-10 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
2 South African Open 2025 (U16 Girls) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 4 2 Yes Analysis
3 JMC Kick Off 2025 (C) 2025-02-02 2025-02-02 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
4 Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
5 Gauteng Schools Individuals Finals 2024 (U15 Girls) 2024-08-17 2024-08-17 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
6 JMC Closed 2024 (C) 2024-08-09 2024-08-11 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
7 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) 2024-07-27 2024-07-27 Blitz Johannesburg Metro (GJM) 9 9 2 Yes Analysis
8 JMC Helpmekaar Kollege Tournament 2024 (C) 2024-05-04 2024-05-04 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
9 1st Knights Open Tournament 2024 (C) 2024-03-23 2024-03-23 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
10 2024 Gauteng Inter-Region Chess Championship (U14 Girls) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
11 JMC Kick Off Tournament 2024 (D) 2024-01-28 2024-01-28 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
12 2023 Gauteng Top Schools (U13 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 3.5 Yes Analysis
13 JMC Closed Aug 2023 (U14) 2023-08-04 2023-08-06 Standard Johannesburg Metro (GJM) 6 6 3 Yes Analysis
14 JMC Trinity Little Falls 2023 (C) 2023-07-02 2023-07-02 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
15 JNW Open - Trinityhouse Little Falls 2023 (C) 2023-06-24 2023-06-24 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
16 Mzansi Fide Open 2023 (Intermediate) 2023-04-27 2023-05-01 Standard Johannesburg Metro (GJM) 6 6 3 Yes Analysis
17 JNW Open - Trinityhouse Little Falls 2023 (C) 2023-05-13 2023-05-13 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
18 Gauteng Schools Individual Finals 2023 (U13 Girls) 2023-05-26 2023-05-26 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
19 JNW Open - Crawford 2023 (C) 2023-03-04 2023-03-04 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
20 2022 South African Junior Team Chess Championships (U14 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 6 2 Yes Analysis
21 JMC 2nd Trials 2022 (C) 2022-08-27 2022-08-27 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
22 2022 Gauteng Schools Team Championships (U13 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
23 JMC Trials 1 - Laerskool Fontainebleau 2022 (U14) 2022-07-24 2022-07-24 Standard Johannesburg Metro (GJM) 5 5 1 Yes Analysis
24 2022 Gauteng Schools Individual Chess Championship (U13 Girls) 2022-06-18 2022-06-18 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
25 JNW Trinityhouse LF 2022 (Contenders) 2022-03-12 2022-03-12 Standard Johannesburg Metro (GJM) 5 5 1.5 Yes Analysis
26 2022 Gauteng Interregion (U12 Open) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
27 JMC @ Pinnacle 2022 (C) 2022-02-19 2022-02-19 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
28 JMC Charterhouse Open 2022 (C) 2022-02-12 2022-02-12 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
29 2021 Gauteng Schools Chess Championships (U13 Girls) 2021-10-16 2021-10-16 Standard Tshwane (GTP) 5 5 3 Yes Analysis
30 JMC Everest 2021 (C) 2021-10-30 2021-10-30 Standard Johannesburg Metro (GJM) 5 5 1 Yes Analysis
31 JMC Helpmekaar 2021 (U12) 2021-09-06 2021-09-06 Rapid Johannesburg Metro (GJM) 5 4 1 Yes Analysis
32 JNW Club - Trinityhouse Little Falls Open 2020 (D) 2020-03-14 2020-03-14 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
33 JNW Club - Trinityhouse Randpark Ridge Open 2020 (D) 2020-02-22 2020-02-22 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
34 JNW Club - Bryanston Open1 2020 (D) 2020-02-01 2020-02-01 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
35 2019 South African Junior Team Championships (U10 Girls) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 6 3 Yes Analysis
36 GJM vs GE Inter Region 2019 (U10B) 2019-10-05 2019-10-05 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
37 JNW Club - Maragon Open 2019 (E) 2019-08-03 2019-08-03 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
38 JNW Club - Helpmekaar Kollege Open 2019 (E) 2019-07-06 2019-07-06 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
39 JHB Metro Closed 2019 (U10) 2019-07-27 2019-07-28 Standard Johannesburg Metro (GJM) 6 6 2.5 Yes Analysis
40 JNW Club - Unika Scholar 2019 (U10) 2019-06-01 2019-06-01 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
41 JNW Club - Hoerskool Linden 2019 (E) 2019-06-15 2019-06-15 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
42 The Metro Open 2019 (Cadets) 2019-05-25 2019-05-25 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
43 JNW Club - Bryanston Open 2 2019 (E) 2019-05-11 2019-05-11 Standard Johannesburg Metro (GJM) 5 3 1 Yes Analysis
44 JNW Club - Charterhouse Open 2019 (E) 2019-04-13 2019-04-13 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
45 Chessnuts Under 1200 27 April 2019 (Knights) 2019-04-27 2019-04-27 Standard Johannesburg Metro (GJM) 5 5 1 Yes Analysis
46 JNW Club - Trinityhouse Randpark Ridge Open 2019 (E) 2019-03-09 2019-03-09 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
47 JNW Club - Trinityhouse Little Falls Open 2019 (E) 2019-02-23 2019-02-23 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
48 Outpost 2nd Open 2018 (D) 2018-08-25 2018-08-25 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis

Top 3 Streaks

# Games Start End
1 6 Tournament
South African Open 2025
Tournament
JMC Closed 2025
date
2025-07-04
rnd
3
type
Standard
result
0.5
date
2025-08-09
rnd
3
type
Standard
result
0.5
Opponent
Ngubane, L (Lesedi)
Opponent
Maphosa, D (Denlin)
2 6 Tournament
JNW Club - Maragon Open 2019
Tournament
GJM vs GE Inter Region 2019
date
2019-08-03
rnd
3
type
Standard
result
1
date
2019-10-05
rnd
3
type
Standard
result
1
Opponent
Oosthuizen, J (Juan)
Opponent
Van Der Merwe, J (Juan)
3 5 Tournament
JMC Closed Aug 2023
Tournament
2023 Gauteng Top Schools
date
2023-08-06
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
3
type
Standard
result
1
Opponent
Thomson-Selibowitz, R (Ryder)
Opponent
Ferreira, J (Joshua Leonardo)
# Games Start End
1 6 Tournament
South African Open 2025
Tournament
JMC Closed 2025
date
2025-07-04
rnd
3
type
Standard
result
0.5
date
2025-08-09
rnd
3
type
Standard
result
0.5
Opponent
Ngubane, L (Lesedi)
Opponent
Maphosa, D (Denlin)
2 6 Tournament
JNW Club - Maragon Open 2019
Tournament
GJM vs GE Inter Region 2019
date
2019-08-03
rnd
3
type
Standard
result
1
date
2019-10-05
rnd
3
type
Standard
result
1
Opponent
Oosthuizen, J (Juan)
Opponent
Van Der Merwe, J (Juan)
3 5 Tournament
JMC Closed Aug 2023
Tournament
2023 Gauteng Top Schools
date
2023-08-06
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
3
type
Standard
result
1
Opponent
Thomson-Selibowitz, R (Ryder)
Opponent
Ferreira, J (Joshua Leonardo)
# Games Start End
1 1 Tournament
JMC Helpmekaar 2021
Tournament
JMC Helpmekaar 2021
date
2021-09-06
rnd
3
type
Rapid
result
1
date
2021-09-06
rnd
3
type
Rapid
result
1
Opponent
Eustace, A (Ally)
Opponent
Eustace, A (Ally)
# Games Start End
1 1 Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
date
2024-07-27
rnd
4
type
Blitz
result
1
date
2024-07-27
rnd
4
type
Blitz
result
1
Opponent
Van Der Merwe, A (Ashton)
Opponent
Van Der Merwe, A (Ashton)
2 1 Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
date
2024-07-27
rnd
1
type
Blitz
result
1
date
2024-07-27
rnd
1
type
Blitz
result
1
Opponent
Van Zyl, E (Ethan)
Opponent
Van Zyl, E (Ethan)
# Games Start End
1 5 Tournament
JMC Closed Aug 2023
Tournament
2023 Gauteng Top Schools
date
2023-08-06
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
3
type
Standard
result
1
Opponent
Thomson-Selibowitz, R (Ryder)
Opponent
Ferreira, J (Joshua Leonardo)
2 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
JNW Open - Crawford 2023
date
2022-12-07
rnd
6
type
Standard
result
1
date
2023-03-04
rnd
3
type
Standard
result
1
Opponent
Moodley, B (Blane)
Opponent
Songo, B (Blessing)
3 4 Tournament
2022 Gauteng Schools Team Championships
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-27
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
4
type
Standard
result
1
Opponent
Smith, KE (Kaiden Elljay)
Opponent
Humane, NP (Noziphiwo)
# Games Start End
1 5 Tournament
JMC Closed Aug 2023
Tournament
2023 Gauteng Top Schools
date
2023-08-06
rnd
5
type
Standard
result
1
date
2023-08-18
rnd
3
type
Standard
result
1
Opponent
Thomson-Selibowitz, R (Ryder)
Opponent
Ferreira, J (Joshua Leonardo)
2 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
JNW Open - Crawford 2023
date
2022-12-07
rnd
6
type
Standard
result
1
date
2023-03-04
rnd
3
type
Standard
result
1
Opponent
Moodley, B (Blane)
Opponent
Songo, B (Blessing)
3 4 Tournament
2022 Gauteng Schools Team Championships
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-27
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
4
type
Standard
result
1
Opponent
Smith, KE (Kaiden Elljay)
Opponent
Humane, NP (Noziphiwo)
# Games Start End
1 1 Tournament
JMC Helpmekaar 2021
Tournament
JMC Helpmekaar 2021
date
2021-09-06
rnd
3
type
Rapid
result
1
date
2021-09-06
rnd
3
type
Rapid
result
1
Opponent
Eustace, A (Ally)
Opponent
Eustace, A (Ally)
# Games Start End
1 1 Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
date
2024-07-27
rnd
4
type
Blitz
result
1
date
2024-07-27
rnd
4
type
Blitz
result
1
Opponent
Van Der Merwe, A (Ashton)
Opponent
Van Der Merwe, A (Ashton)
2 1 Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
Tournament
Helpmekaar Kollege Blitz Chess Invitational 2024
date
2024-07-27
rnd
1
type
Blitz
result
1
date
2024-07-27
rnd
1
type
Blitz
result
1
Opponent
Van Zyl, E (Ethan)
Opponent
Van Zyl, E (Ethan)

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 Mesele ,O (Oboitshepo) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1281.3 1068.8 1298.6 1068.8 0 0 0 0
2 Kwak ,J (Jaeson) 4 3.5 318.8 4 3.5 318.8 0 0 0 0 0 0
1270.7 1589.4 1257.8 1589.4 0 0 0 0
3 Deysel ,H (Hannah) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1119.7 907.2 1107.4 907.2 0 0 0 0
4 Wang ,Y (Yiren) 3 0 -425 3 0 -425 0 0 0 0 0 0
1171 746 1151.8 746 0 0 0 0
5 Koen ,K (Kaylee-Jane) 3 0 -425 3 0 -425 0 0 0 0 0 0
1278.7 853.7 1269.1 853.7 0 0 0 0
6 Barker ,R (Ryan) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1311.6 1170 1312.4 1170 0 0 0 0
7 Akker ,D (Dylan) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1349.5 1491.1 1344.7 1491.1 0 0 0 0
8 Onyemah ,I (Ifeoma) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1061.2 1344.6 1033.2 1344.6 0 0 0 0
9 Wessels ,T (Theodore) 2 1 0 2 1 0 0 0 0 0 0 0
1437.4 1437.4 1441.2 1437.4 0 0 0 0
10 Maritz ,L (Luke) 2 1 0 2 1 0 0 0 0 0 0 0
1321.7 1321.7 1330.4 1321.7 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa