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Chess SA Region AOC

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Personal

Perham, B (Bothlale)

Chess SA id

2140327119

FIDE id

?

Date of birth

2014-07-07 (U12)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

10

Junior GPX Points

1064.3

Item Main Standard Rapid Blitz
Rating 1195.8 1195.1 1200 1200
Raw rating 1147.5 1138.8 1200 1200
Weighted rating 1195.8 1195.1 1200 1200
Weighted performance 0 0 0 0
Floor 699 699 700 700
K-factor 40 40 40 40
Min/Max rating change allowed 178.7 180.9 165.8 165.8
Highest rating 1199
2025-09-06		 1199
2025-09-06		 1199
2025-09-06		 1199
2025-09-06
Highest raw rating 1199
2025-09-06		 1199
2025-09-06		 1199
2025-09-06		 1199
2025-09-06
Highest weighted rating 1195.8
2025-11-01		 1195.1
2025-11-01		 0
2025-09-06		 0
2025-09-06
Highest weighted performance 0
2025-09-06		 0
2025-09-06		 0
2025-09-06		 0
2025-09-06

Prediction
Item Main Standard Rapid Blitz
Rating change -4 -4.7 0 0
New rating 1191.8 1190.4 1200 1200
Analysis
Rating 1195.8 1195.1 1200 1200
Raw rating 1147.5 1138.8 1200 1200
Weighted rating 1195.8 1195.1 1200
Weighted performance 0 0 0
K-factor 40 40 40 40
Floor 699 699 700 700
Max/Min rating change allowed 178.7 180.9 165.8 165.8
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 1147.5 1138.8 1200 1200
New weighted rating 1191.8 1190.4 1200 1200
New weighted performance 0 0 0 0
Temp new rating 1191.8 1190.4 1200 1200
Temp new rating +/- -4 -4.7 0 0
Final new rating +/- -4 -4.7 0 0
New rating 1191.8 1190.4 1200 1200
New K-factor 40 40 36 36
New floor 699 699 700 700

Item Main Standard Rapid Blitz
0 0 0 0
10 10 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 10 10 0 0

Games since
Main
10		 Standard
10		 Rapid
0		 Blitz
0
Gender F
Age group U12
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
F -1 -1 -1
U12 -1 -1 -1
U12 F -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
F -1 -1 -1
U12 -1 -1 -1
U12 F -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
F -1 -1 -1
U12 -1 -1 -1
U12 F -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
F -1 -1 -1
U12 -1 -1 -1
U12 F -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 10 3 30 -170 1229.3 1059.3
Standard 10 3 30 -170 1229.3 1059.3
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 10 3 30 -170 1229.3 1059.3
Standard 10 3 30 -170 1229.3 1059.3
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1147.5 1138.8 1200 1200
2025-09-30 1200 1200 1200 1200
2025-09-01 1200 1200 1200 1200
2025-08-01 1200 1200 1200 1200
2025-07-01 1200 1200 1200 1200
2025-06-01 1200 1200 1200 1200
2025-05-01 1200 1200 1200 1200
2025-04-01 1200 1200 1200 1200
2025-03-01 1200 1200 1200 1200
2025-02-01 1200 1200 1200 1200
2025-01-01 1200 1200 1200 1200
2024-12-01 1200 1200 1200 1200
2024-11-01 1200 1200 1200 1200
2024-10-01 1200 1200 1200 1200
2024-09-01 1200 1200 1200 1200
2024-08-01 1200 1200 1200 1200
2024-07-01 1200 1200 1200 1200
2024-09-01 1200 1200 1200 1200
2024-05-01 1200 1200 1200 1200
2024-04-01 1200 1200 1200 1200
2024-03-01 1200 1200 1200 1200
2024-02-01 1200 1200 1200 1200
2024-01-01 1200 1200 1200 1200
2023-12-01 1200 1200 1200 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 2025 Gauteng Top Schools Teams (U13 Girls) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 5 1 Yes Analysis
2 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Girls) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Gauteng Top Schools Teams (U13 Girls) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 5 1 Yes Analysis
2 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Girls) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 2 Tournament
2025 Gauteng Top Schools Teams		 Tournament
2025 Gauteng Top Schools Teams
date
2025-08-29		 rnd
1		 type
Standard		 result
0.5		 date
2025-08-29		 rnd
2		 type
Standard		 result
0.5
Opponent
Letsoalo, N (Nqobile)		 Opponent
Hoffman, T (Trishana)
2 1 Tournament
2025 Gauteng Schools Provincial Individual Chess Championship		 Tournament
2025 Gauteng Schools Provincial Individual Chess Championship
date
2025-09-27		 rnd
3		 type
Standard		 result
1		 date
2025-09-27		 rnd
3		 type
Standard		 result
1
Opponent
Mandela, C (Caroline)		 Opponent
Mandela, C (Caroline)
3 1 Tournament
2025 Gauteng Schools Provincial Individual Chess Championship		 Tournament
2025 Gauteng Schools Provincial Individual Chess Championship
date
2025-09-27		 rnd
1		 type
Standard		 result
1		 date
2025-09-27		 rnd
1		 type
Standard		 result
1
Opponent
Olivier, E (Enika)		 Opponent
Olivier, E (Enika)
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End

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 Olivier ,E (Enika) 1 1 425 1 1 425 0 0 0 0 0 0
1235.6 1660.6 1238.9 1660.6 0 0 0 0
2 Scott ,B (Bailey) 1 0 -425 1 0 -425 0 0 0 0 0 0
1191.5 766.5 1189.2 766.5 0 0 0 0
3 Hoffman ,T (Trishana) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1200 1200 1200 1200 0 0 0 0
4 Letsoalo ,N (Nqobile) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1215 1215 1218.3 1215 0 0 0 0
5 Kotze ,L (Lia) 1 0 -425 1 0 -425 0 0 0 0 0 0
1304.5 879.5 1319.2 879.5 0 0 0 0
6 Bosman ,J (Johanica) 1 0 -425 1 0 -425 0 0 0 0 0 0
1235.5 810.5 1241.7 810.5 0 0 0 0
7 Johansson ,Z (Zeeyah) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
8 Van Niekerk ,A (Arike) 1 0 -425 1 0 -425 0 0 0 0 0 0
1208.7 783.7 1201.9 783.7 0 0 0 0
9 Mandela ,C (Caroline) 1 1 425 1 1 425 0 0 0 0 0 0
1227 1652 1236.2 1652 0 0 0 0
10 Magagula ,T (Thandolwethu) 1 0 -425 1 0 -425 0 0 0 0 0 0
1275.7 850.7 1290.3 850.7 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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