Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, M (Mianke)

Chess SA id

2130145690

FIDE id

Date of birth

2013-02-26 (U14)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1294.1	1313.5	1200	1200
Raw rating	1294.1	1313.5	1200	1200
Weighted rating	1235.4	1242.5	1200	1200
Weighted performance	0	0	0	0
Floor	794.1	813.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145	141.1	165.8	165.8
Highest rating	1294.1 2025-09-01	1313.5 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1294.1 2025-09-01	1313.5 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1229.7 2025-09-01	1235.6 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1205.1 2023-08-01	1204.1 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1294.1	1313.5	1200	1200
Analysis
Rating	1294.1	1313.5	1200	1200
Raw rating	1294.1	1313.5	1200	1200
Weighted rating	1235.4	1242.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	794.1	813.5	700	700
Max/Min rating change allowed	145	141.1	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	1294.1	1313.5	1200	1200
New weighted rating	1240.9	1249.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1294.1	1313.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1294.1	1313.5	1200	1200
New K-factor	36	36	36	36
New floor	794.1	813.5	700	700

Item	Main	Standard
	0	0
	8	8
	0	0
	5	5
	4	4
	0	0
History	17	17

Games since
	Main 8	Standard 8		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	8	7	87.5	318.8	1197.1	1515.9
Standard	8	7	87.5	318.8	1197.1	1515.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	12	70.59	175	1190.6	1365.6
Standard	17	12	70.59	175	1190.6	1365.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1294.1	1313.5	1200	1200
2025-09-01	1294.1	1313.5	1200	1200
2025-08-01	1257.3	1268.5	1200	1200
2025-07-01	1257.3	1268.5	1200	1200
2025-06-01	1257.3	1268.5	1200	1200
2025-05-01	1213.6	1216.4	1200	1200
2025-04-01	1213.6	1216.4	1200	1200
2025-03-01	1213.6	1216.4	1200	1200
2025-02-01	1213.6	1216.4	1200	1200
2025-01-01	1213.6	1216.4	1200	1200
2024-12-01	1213.6	1216.4	1200	1200
2024-11-01	1213.6	1216.4	1200	1200
2024-10-01	1213.6	1216.4	1200	1200
2024-09-01	1213.6	1216.4	1200	1200
2024-08-01	1213.6	1216.4	1200	1200
2024-07-01	1213.6	1216.4	1200	1200
2024-06-01	1213.6	1216.4	1200	1200
2024-08-01	1213.6	1216.4	1200	1200
2024-04-01	1213.6	1216.4	1200	1200
2024-03-01	1213.6	1216.4	1200	1200
2024-02-01	1213.6	1216.4	1200	1200
2024-01-01	1213.6	1216.4	1200	1200
2023-12-01	1213.6	1216.4	1200	1200
2023-11-01	1213.6	1216.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	3	Yes	Analysis
2	D5 Anker 2025 (U13 Girls)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	3	Yes	Analysis
2	D5 Anker 2025 (U13 Girls)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
4	2022 Gauteng Schools Team Championships (U9 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament D5 Anker 2025				Tournament D5 Teams 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Christie, H (Hayley)				Opponent Hattingh, K (Katrien)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mfisa, P (Phetogo)				Opponent Nkomo, M (Motlatsi)
3	1	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Jasson, L (Lesego)				Opponent Jasson, L (Lesego)

#	Games	Start				End
1	7	Tournament D5 Anker 2025				Tournament D5 Teams 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Christie, H (Hayley)				Opponent Hattingh, K (Katrien)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mfisa, P (Phetogo)				Opponent Nkomo, M (Motlatsi)
3	1	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Jasson, L (Lesego)				Opponent Jasson, L (Lesego)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament D5 Anker 2025				Tournament D5 Teams 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Christie, H (Hayley)				Opponent Hattingh, K (Katrien)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mfisa, P (Phetogo)				Opponent Nkomo, M (Motlatsi)
3	1	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Jasson, L (Lesego)				Opponent Jasson, L (Lesego)

#	Games	Start				End
1	7	Tournament D5 Anker 2025				Tournament D5 Teams 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Christie, H (Hayley)				Opponent Hattingh, K (Katrien)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mfisa, P (Phetogo)				Opponent Nkomo, M (Motlatsi)
3	1	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Jasson, L (Lesego)				Opponent Jasson, L (Lesego)

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
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Geel ,M (Mieke)	1	1	425	1	1	425	0	0	0	0	0	0
1	Geel ,M (Mieke)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mfisa ,P (Phetogo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mfisa ,P (Phetogo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Visser ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Visser ,A (Aaron)	1	1062.6	637.6	1	1048.8	637.6	0	0	0	0	0	0
4	Joseph ,A (Amber)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Joseph ,A (Amber)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Hattingh ,K (Katrien)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hattingh ,K (Katrien)	1	1177.7	1602.7	1	1226.9	1602.7	0	0	0	0	0	0
6	Oberholzer ,E (Eben)	1	1	425	1	1	425	0	0	0	0	0	0
6	Oberholzer ,E (Eben)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Leotlela ,O (Oratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Leotlela ,O (Oratilwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Dreyer ,A (Aretha)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Dreyer ,A (Aretha)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Barnard ,J (Jano)	1	1	425	1	1	425	0	0	0	0	0	0
9	Barnard ,J (Jano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Ebersohn ,C (Chrisne)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ebersohn ,C (Chrisne)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Botha, M (Mianke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms