Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, M (Mia)

Chess SA id

204086573

FIDE id

Date of birth

2004-04-10 (Adult)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-04-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	500	500	500	500
Raw rating	500	500	500	500
Weighted rating	500	500	500	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	449.5	449.5	449.5	449.5
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	519.5 2018-04-01	523.2 2018-04-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	519.5 2024-11-01	523.2 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	500	500	500	500
Analysis
Rating	500	500	500	500
Raw rating	500	500	500	500
Weighted rating	500	500	500
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	449.5	449.5	449.5	449.5
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	500	500	500	500
New weighted rating	500	500	500	500
New weighted performance	0	0	0	0
Temp new rating	500	500	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	500	500	500	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	27	27

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	2.5	20.83	-247.9	808.6	560.7
Standard	12	2.5	20.83	-247.9	808.6	560.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	500	500	500	500
2025-09-01	500	500	500	500
2025-08-01	500	500	500	500
2025-07-01	500	500	500	500
2025-06-01	500	500	500	500
2025-05-01	500	500	500	500
2025-04-01	500	500	500	500
2025-03-01	500	500	500	500
2025-02-01	500	500	500	500
2025-01-01	500	500	500	500
2024-12-01	500	500	500	500
2024-11-01	500	500	500	500
2024-10-01	500	500	500	500
2024-09-01	500	500	500	500
2024-08-01	500	500	500	500
2024-07-01	500	500	500	500
2024-06-01	500	500	500	500
2024-08-01	500	500	500	500
2024-04-01	500	500	500	500
2024-03-01	500	500	500	500
2024-02-01	500	500	500	500
2024-01-01	500	500	500	500
2023-12-01	500	500	500	500
2023-11-01	500	500	500	500

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EDENSC Closed 2 2018 (U16 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	3	0	Yes	Analysis
2	EDENSC Closed 1 2018 (U16 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Knysna Junior Chess Trials #1 2018	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Knysna Junior Chess Trials #1 2018				Tournament Knysna Junior Chess Trials #1 2018
		date 2018-02-10	rnd 4	type Standard	result 0.5	date 2018-02-10	rnd 5	type Standard	result 1
		Opponent Zhu, D (Dennis)				Opponent Talmaggies, L (Liron)
2	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Pretorius, J (Joslin)				Opponent Pretorius, J (Joslin)

#	Games	Start				End
1	2	Tournament Knysna Junior Chess Trials #1 2018				Tournament Knysna Junior Chess Trials #1 2018
		date 2018-02-10	rnd 4	type Standard	result 0.5	date 2018-02-10	rnd 5	type Standard	result 1
		Opponent Zhu, D (Dennis)				Opponent Talmaggies, L (Liron)
2	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Pretorius, J (Joslin)				Opponent Pretorius, J (Joslin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Pretorius, J (Joslin)				Opponent Pretorius, J (Joslin)
2	1	Tournament Knysna Junior Chess Trials #1 2018				Tournament Knysna Junior Chess Trials #1 2018
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-02-10	rnd 5	type Standard	result 1
		Opponent Talmaggies, L (Liron)				Opponent Talmaggies, L (Liron)

#	Games	Start				End
1	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Pretorius, J (Joslin)				Opponent Pretorius, J (Joslin)
2	1	Tournament Knysna Junior Chess Trials #1 2018				Tournament Knysna Junior Chess Trials #1 2018
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-02-10	rnd 5	type Standard	result 1
		Opponent Talmaggies, L (Liron)				Opponent Talmaggies, L (Liron)

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	Barnard ,S (Stephan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Barnard ,S (Stephan)	2	818.2	393.2	2	824.6	393.2	0	0	0	0	0	0
2	Pretorius ,J (Joslin)	1	1	425	1	1	425	0	0	0	0	0	0
2	Pretorius ,J (Joslin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Halters ,R (Rivaldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Halters ,R (Rivaldo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Zhu ,D (Dennis)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Zhu ,D (Dennis)	1	500	500	1	500	500	0	0	0	0	0	0
5	Nyirenda ,V (Vitumbiko)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nyirenda ,V (Vitumbiko)	1	500	75	1	500	75	0	0	0	0	0	0
6	Talmaggies ,L (Liron)	1	1	425	1	1	425	0	0	0	0	0	0
6	Talmaggies ,L (Liron)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Slingers ,M (Marlon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Slingers ,M (Marlon)	1	830	405	1	830	405	0	0	0	0	0	0
8	Arendse ,A (Amy-Leigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Arendse ,A (Amy-Leigh)	1	689.6	264.6	1	689.6	264.6	0	0	0	0	0	0
9	Ludick ,A (Andries)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ludick ,A (Andries)	1	650.6	225.6	1	668.4	225.6	0	0	0	0	0	0
10	Miggels ,M (Mccobie)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Miggels ,M (Mccobie)	1	679.4	254.4	1	683.2	254.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Groenewald, M (Mia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms