Chess South Africa Ratings Database

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Personal

Van Tonder, M (Mieke)

Chess SA id

2120192858

FIDE id

Date of birth

2012-07-22 (U14)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

23.1

Junior GPX Points

1161.9

Item	Main	Standard	Rapid	Blitz
Rating	1207	1203.2	1177.3	1200
Raw rating	1207	1203.2	1177.3	1200
Weighted rating	1196.3	1203.1	1172.9	1200
Weighted performance	1109.7	1094.4	0	0
Floor	731	733.6	710.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.2	165.1	171.3	165.8
Highest rating	1247 2024-07-01	1435.8 2024-07-01	1240.6 2024-02-01	1200 2024-02-01
Highest raw rating	1231 2025-03-01	1233.6 2025-03-01	1210.8 2024-03-01	1200 2024-02-01
Highest weighted rating	1231 2024-03-01	1233.6 2024-02-01	1210.8 2024-06-01	1200 2024-02-01
Highest weighted performance	1247 2024-07-01	1435.8 2024-07-01	1240.6 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.1	0	0
New rating	1207	1203.4	1177.3	1200
Analysis
Rating	1207	1203.2	1177.3	1200
Raw rating	1207	1203.2	1177.3	1200
Weighted rating	1196.3	1203.1	1172.9
Weighted performance	1109.7	1094.4	0
K-factor	36	36	36	36
Floor	731	733.6	710.8	700
Max/Min rating change allowed	164.2	165.1	171.3	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	1207	1203.2	1177.3	1200
New weighted rating	1197.5	1203.4	1172.8	1200
New weighted performance	1102.7	1087.6	0	0
Temp new rating	1207	1203.4	1177.3	1200
Temp new rating +/-	0	0.1	0	0
Final new rating +/-	0	0.1	0	0
New rating	1207	1203.4	1177.3	1200
New K-factor	36	36	36	36
New floor	731	733.6	710.8	700

Item	Main	Standard	Rapid
	0	0	0
	25	21	4
	24	12	12
	0	0	0
	0	0	0
	0	0	0
History	49	33	16

Games since
	Main 49	Standard 33		Rapid 16		Blitz 0
Gender	Female
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4084		1368		195
Female	978		392		65
U14	794		267		47
U14 Female	229		96		21
Standard
	RSA		Province		Region
Overall	4046		1152		159
Female	964		353		58
U14	788		215		28
U14 Female	231		83		15
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	25	11	44	-51	1245.6	1194.6
Standard	21	9	42.86	-60.7	1250.3	1189.6
Rapid	4	2	50	0	1220.9	1220.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	22.5	45.92	-34.7	1211.1	1176.4
Standard	33	15.5	46.97	-25.8	1228.3	1202.6
Rapid	16	7	43.75	-53.1	1175.5	1122.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1207	1203.2	1177.3	1200
2025-09-30	1207	1203.2	1177.3	1200
2025-09-01	1202	1202.2	1177.3	1200
2025-08-01	1199.7	1202.2	1176.2	1200
2025-07-01	1199.7	1201.9	1176.2	1200
2025-06-01	1199.7	1201.7	1176.2	1200
2025-05-01	1199.7	1201.4	1176.2	1200
2025-04-01	1199.7	1200.5	1176.2	1200
2025-03-01	1231	1233.6	1176.2	1200
2025-02-01	1205	1213.2	1175.1	1200
2025-01-01	1187.5	1215.6	1150.7	1200
2024-12-01	1187.5	1215.6	1150.7	1200
2024-11-01	1187.5	1215.6	1150.7	1200
2024-10-01	1187.5	1215.6	1150.7	1200
2024-09-01	1165.4	1192.4	1150.7	1200
2024-08-01	1165.4	1192.4	1150.7	1200
2024-07-01	1147.5	1169.2	1150.7	1200
2024-09-01	1181.7	1169.2	1210.8	1200
2024-05-01	1181.7	1169.2	1210.8	1200
2024-04-01	1181.7	1169.2	1210.8	1200
2024-03-01	1202.6	1200	1210.8	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

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	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	2	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13 Girls)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	6	4	2	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Marie Delport Memorial 2025 (U14 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	2	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13 Girls)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	6	4	2	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Marie Delport Memorial 2025 (U14 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U13 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
7	Cape Winelands - Top Schools 2024 (U11+U13 Girls)	2024-07-24	2024-07-24	Standard	Cape Winelands (WCW)	6	1	1	Yes	Analysis
8	Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	1.5	Yes	Analysis
9	Cape Winelands Schools - Prestige 2024 (U13 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
10	Cape Winelands Schools - PS Trials 1 2024 (U13 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-08	rnd 6	type Rapid	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Jezelle, M (Massyn)				Opponent Otto, J (Johanne)
2	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 0.5
		Opponent Du Toit, S (Scarlett)				Opponent Kennedy, L (Leah)
3	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 2	type Standard	result 0.5	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Venter, D (Danelize)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 0.5
		Opponent Du Toit, S (Scarlett)				Opponent Kennedy, L (Leah)
2	4	Tournament Cape Winelands - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-24	rnd 5	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Prinsloo, E (Esmari)				Opponent Otto, J (Johanne)
3	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 2	type Standard	result 0.5	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Venter, D (Danelize)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 0.5	date 2024-02-10	rnd 6	type Rapid	result 1
		Opponent Hudson, O (Olivia Anne)				Opponent Braaf, L (Le-Meake Roland)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Faroa, K (Kaylin)				Opponent Faroa, K (Kaylin)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Faroa, K (Kaylin)				Opponent Faroa, K (Kaylin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Du Toit, S (Scarlett)				Opponent Jumat, M (Mj)
2	2	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Van Niekerk, L (Lisa)				Opponent Venter, D (Danelize)
3	2	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Fortuin, M (Mia Amy)				Opponent Otto, J (Johanne)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Du Toit, S (Scarlett)				Opponent Jumat, M (Mj)
2	2	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Van Niekerk, L (Lisa)				Opponent Venter, D (Danelize)
3	2	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Fortuin, M (Mia Amy)				Opponent Otto, J (Johanne)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 6	type Rapid	result 1
		Opponent Cupido, J (Jodine)				Opponent Braaf, L (Le-Meake Roland)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Faroa, K (Kaylin)				Opponent Faroa, K (Kaylin)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Faroa, K (Kaylin)				Opponent Faroa, K (Kaylin)

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	Kennedy ,L (Leah)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Kennedy ,L (Leah)	3	1118.8	1118.8	3	1114.6	1118.8	0	0	0	0	0	0
2	Du Toit ,S (Scarlett)	2	1	0	2	1	0	0	0	0	0	0	0
2	Du Toit ,S (Scarlett)	2	1196.2	1196.2	2	1195.3	1196.2	0	0	0	0	0	0
3	Braaf ,L (Le-Meake Roland)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Braaf ,L (Le-Meake Roland)	2	1141.8	1141.8	1	1138.5	716.8	1	1133.2	1566.8	0	0	0
4	Van Der Merwe ,Z (Zoe)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Van Der Merwe ,Z (Zoe)	2	1238.3	813.3	1	1233.6	813.3	1	1185.6	813.3	0	0	0
5	Bothma ,K (Kiara)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Bothma ,K (Kiara)	2	1225.2	800.2	1	1216.1	800.2	1	1223.2	800.2	0	0	0
6	Naude ,A (Ariel)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Naude ,A (Ariel)	2	1262.4	837.4	0	0	0	2	1200.8	837.4	0	0	0
7	Faroa ,K (Kaylin)	2	2	425	0	0	0	2	2	425	0	0	0
7	Faroa ,K (Kaylin)	2	1179.4	1604.4	0	0	0	2	1164.3	1604.4	0	0	0
8	Bellini ,S (Stella)	1	1	425	1	1	425	0	0	0	0	0	0
8	Bellini ,S (Stella)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Van Der Westhuizen ,L (Linli)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Westhuizen ,L (Linli)	1	1388.9	963.9	1	1385.9	963.9	0	0	0	0	0	0
10	Joel ,R (Roneeq)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Joel ,R (Roneeq)	1	1284.2	859.2	1	1278.5	859.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Tonder, M (Mieke)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms