Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, M (Mia)

Chess SA id

2040137550

FIDE id

Date of birth

2004-01-13 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1098.1	1081.6	1178	1200
Raw rating	1098.1	1081.6	1178	1200
Weighted rating	1098.1	1081.6	1178	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.7	196.3	171.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1098.1	1081.6	1178	1200
Analysis
Rating	1098.1	1081.6	1178	1200
Raw rating	1098.1	1081.6	1178	1200
Weighted rating	1098.1	1081.6	1178
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191.7	196.3	171.1	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	1098.1	1081.6	1178	1200
New weighted rating	1098.1	1081.6	1178	1200
New weighted performance	0	0	0	0
Temp new rating	1098.1	1081.6	1178	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1098.1	1081.6	1178	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	15	10	5
	0	0	0
History	15	10	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Winelands (WCW)
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	15	5	33.33	-141.7	1148.5	1006.9
Standard	10	3	30	-170	1138.6	968.6
Rapid	5	2	40	-85	1168.4	1083.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1098.1	1081.6	1178	1200
2025-09-01	1098.1	1081.6	1178	1200
2025-08-01	1098.1	1081.6	1178	1200
2025-07-01	1098.1	1081.6	1178	1200
2025-06-01	1098.1	1081.6	1178	1200
2025-05-01	1098.1	1081.6	1178	1200
2025-04-01	1098.1	1081.6	1178	1200
2025-03-01	1098.1	1081.6	1178	1200
2025-02-01	1098.1	1081.6	1178	1200
2025-01-01	1098.1	1081.6	1178	1200
2024-12-01	1098.1	1081.6	1178	1200
2024-11-01	1098.1	1081.6	1178	1200
2024-10-01	1098.1	1081.6	1178	1200
2024-09-01	1098.1	1081.6	1178	1200
2024-08-01	1098.1	1081.6	1178	1200
2024-07-01	1098.1	1081.6	1178	1200
2024-06-01	1098.1	1081.6	1178	1200
2024-08-01	1098.1	1081.6	1178	1200
2024-04-01	1098.1	1081.6	1178	1200
2024-03-01	1098.1	1081.6	1178	1200
2024-02-01	1098.1	1081.6	1178	1200
2024-01-01	1098.1	1081.6	1178	1200
2023-12-01	1098.1	1081.6	1178	1200
2023-11-01	1098.1	1081.6	1178	1200

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	Western Cape Schools Chess 2022 (U18 Girls)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	1	Yes	Analysis
2	Cape Winelands Schools 2022 (U18 Girls)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
3	Central Winelands Schools Individual Trials 2022 (U18 Girls)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools 2022
		date 2022-03-05	rnd 2	type Standard	result 1	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Baai, R (Rozaan)				Opponent Steenkamp, L (Lindall)
2	1	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Schools Chess 2022
		date 2022-05-07	rnd 3	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Beerwinkel, A (Aretha)				Opponent Beerwinkel, A (Aretha)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Messina, M (Meke)				Opponent Messina, M (Meke)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools 2022
		date 2022-03-05	rnd 2	type Standard	result 1	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Baai, R (Rozaan)				Opponent Steenkamp, L (Lindall)
2	1	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Schools Chess 2022
		date 2022-05-07	rnd 3	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Beerwinkel, A (Aretha)				Opponent Beerwinkel, A (Aretha)

#	Games	Start				End
1	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Messina, M (Meke)				Opponent Messina, M (Meke)
2	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 2	type Rapid	result 1	date 2022-02-19	rnd 2	type Rapid	result 1
		Opponent Isaacs, S (Simine)				Opponent Isaacs, S (Simine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools 2022
		date 2022-03-05	rnd 2	type Standard	result 1	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Baai, R (Rozaan)				Opponent Steenkamp, L (Lindall)
2	1	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Schools Chess 2022
		date 2022-05-07	rnd 3	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Beerwinkel, A (Aretha)				Opponent Beerwinkel, A (Aretha)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Messina, M (Meke)				Opponent Messina, M (Meke)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools 2022
		date 2022-03-05	rnd 2	type Standard	result 1	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Baai, R (Rozaan)				Opponent Steenkamp, L (Lindall)
2	1	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Schools Chess 2022
		date 2022-05-07	rnd 3	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Beerwinkel, A (Aretha)				Opponent Beerwinkel, A (Aretha)

#	Games	Start				End
1	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Messina, M (Meke)				Opponent Messina, M (Meke)
2	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 2	type Rapid	result 1	date 2022-02-19	rnd 2	type Rapid	result 1
		Opponent Isaacs, S (Simine)				Opponent Isaacs, S (Simine)

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	Steenkamp ,L (Lindall)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Steenkamp ,L (Lindall)	2	1148.4	1148.4	1	1180.8	1573.4	1	1117.6	723.4	0	0	0
2	Demas ,G (Genevieve)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Demas ,G (Genevieve)	1	1066.4	641.4	1	517.6	641.4	0	0	0	0	0	0
3	Kiewiet ,B (Brook-Lynn)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kiewiet ,B (Brook-Lynn)	1	1213.8	788.8	1	1214.7	788.8	0	0	0	0	0	0
4	Bester ,E (Emma)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Bester ,E (Emma)	1	1107.9	682.9	1	1066.3	682.9	0	0	0	0	0	0
5	Scheepers ,S (Stephanie)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Scheepers ,S (Stephanie)	1	1132.9	707.9	1	1094.4	707.9	0	0	0	0	0	0
6	Bokwana ,W (Wilmarie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bokwana ,W (Wilmarie)	1	1175.2	750.2	1	1166.1	750.2	0	0	0	0	0	0
7	Beerwinkel ,A (Aretha)	1	1	425	1	1	425	0	0	0	0	0	0
7	Beerwinkel ,A (Aretha)	1	1084.1	1509.1	1	1091.6	1509.1	0	0	0	0	0	0
8	Baai ,R (Rozaan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Baai ,R (Rozaan)	1	1099.5	1524.5	1	1072.8	1524.5	0	0	0	0	0	0
9	Adams ,B (Bernicia)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Adams ,B (Bernicia)	1	1156.3	731.3	1	1149.9	731.3	0	0	0	0	0	0
10	Lubbe ,Z (Zhane)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lubbe ,Z (Zhane)	1	1194.3	769.3	1	1197.6	769.3	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

Coetzer, 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