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

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1306.8

Item	Main	Standard	Rapid	Blitz
Rating	1254.1	1260.9	1200	1200
Raw rating	1254.1	1260.9	1200	1200
Weighted rating	1237.7	1244.9	1200	1200
Weighted performance	1108.7	1111.1	0	0
Floor	794.1	813.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.5	152	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	1237.7 2025-11-01	1244.9 2025-11-01	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	1254.1	1260.9	1200	1200
Analysis
Rating	1254.1	1260.9	1200	1200
Raw rating	1254.1	1260.9	1200	1200
Weighted rating	1237.7	1244.9	1200
Weighted performance	1108.7	1111.1	0
K-factor	36	36	36	36
Floor	794.1	813.5	700	700
Max/Min rating change allowed	153.5	152	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	1254.1	1260.9	1200	1200
New weighted rating	1239.8	1247.2	1200	1200
New weighted performance	1101.6	1104	0	0
Temp new rating	1254.1	1260.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1254.1	1260.9	1200	1200
New K-factor	36	36	36	36
New floor	794.1	813.5	700	700

Item	Main	Standard
	0	0
	16	16
	0	0
	5	5
	4	4
	0	0
History	25	25

Games since
	Main 16	Standard 16		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	16	10	62.5	106.2	1223.2	1329.4
Standard	16	10	62.5	106.2	1223.2	1329.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	15	60	85	1209.3	1294.3
Standard	25	15	60	85	1209.3	1294.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1254.1	1260.9	1200	1200
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
2024-09-01	1213.6	1216.4	1200	1200
2024-05-01	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

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	2025 Gauteng Top Schools Teams (U13 Girls)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
3	D5 Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	3	Yes	Analysis
4	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	2025 Gauteng Top Schools Teams (U13 Girls)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
3	D5 Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	3	Yes	Analysis
4	D5 Anker 2025 (U13 Girls)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	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 2025 Gauteng Schools Provincial Individual Chess Championship				Tournament 2025 Gauteng Schools Provincial Individual Chess Championship
		date 2025-09-27	rnd 4	type Standard	result 1	date 2025-09-27	rnd 4	type Standard	result 1
		Opponent Zulu, K (Kwandokuhle)				Opponent Zulu, K (Kwandokuhle)

#	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	Hattingh ,K (Katrien)	2	1	0	2	1	0	0	0	0	0	0	0
1	Hattingh ,K (Katrien)	2	1173	1173	2	1220.1	1173	0	0	0	0	0	0
2	Joseph ,A (Amber)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Joseph ,A (Amber)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Mfisa ,P (Phetogo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mfisa ,P (Phetogo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Cronje ,M (Marlene)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cronje ,M (Marlene)	1	1199.4	1624.4	1	1199.3	1624.4	0	0	0	0	0	0
5	Visser ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Visser ,A (Aaron)	1	1062.6	637.6	1	1048.8	637.6	0	0	0	0	0	0
6	Khoza ,N (Ngcebo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Khoza ,N (Ngcebo)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Kubeka ,B (Bontle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kubeka ,B (Bontle)	1	1204.3	1629.3	1	1204.1	1629.3	0	0	0	0	0	0
8	Oberholzer ,E (Eben)	1	1	425	1	1	425	0	0	0	0	0	0
8	Oberholzer ,E (Eben)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Kgengwe ,K (Kutlwano)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kgengwe ,K (Kutlwano)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Barnard ,J (Jano)	1	1	425	1	1	425	0	0	0	0	0	0
10	Barnard ,J (Jano)	1	1200	1625	1	1200	1625	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