Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, M (Marelize)

Chess SA id

2110110929

FIDE id

Date of birth

2011-02-10 (U16)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1425.4	1425.2	1200	1200
Raw rating	1425.4	1425.2	1200	1200
Weighted rating	1425.4	1425.2	1200	1200
Weighted performance	413.8	413.8	0	0
Floor	925.4	925.2	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	120.3	120.3	165.8	165.8
Highest rating	1425.4 2024-03-01	1425.2 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1425.4 2024-03-01	1425.2 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1425.4 2024-03-01	1425.2 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1390.3 2019-03-01	1387.7 2019-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1425.4	1425.2	1200	1200
Analysis
Rating	1425.4	1425.2	1200	1200
Raw rating	1425.4	1425.2	1200	1200
Weighted rating	1425.4	1425.2	1200
Weighted performance	413.8	413.8	0
K-factor	32	32	36	36
Floor	925.4	925.2	700	700
Max/Min rating change allowed	120.3	120.3	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	1425.4	1425.2	1200	1200
New weighted rating	1425.4	1425.2	1200	1200
New weighted performance	413.3	413.3	0	0
Temp new rating	1425.4	1425.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1425.4	1425.2	1200	1200
New K-factor	32	32	36	36
New floor	925.4	925.2	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	29	29

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	29	22.5	77.59	234.5	1177.5	1412
Standard	29	22.5	77.59	234.5	1177.5	1412
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1425.4	1425.2	1200	1200
2025-09-01	1425.4	1425.2	1200	1200
2025-08-01	1425.4	1425.2	1200	1200
2025-07-01	1425.4	1425.2	1200	1200
2025-06-01	1425.4	1425.2	1200	1200
2025-05-01	1425.4	1425.2	1200	1200
2025-04-01	1425.4	1425.2	1200	1200
2025-03-01	1425.4	1425.2	1200	1200
2025-02-01	1425.4	1425.2	1200	1200
2025-01-01	1425.4	1425.2	1200	1200
2024-12-01	1425.4	1425.2	1200	1200
2024-11-01	1425.4	1425.2	1200	1200
2024-10-01	1425.4	1425.2	1200	1200
2024-09-01	1425.4	1425.2	1200	1200
2024-08-01	1425.4	1425.2	1200	1200
2024-07-01	1425.4	1425.2	1200	1200
2024-06-01	1425.4	1425.2	1200	1200
2024-08-01	1425.4	1425.2	1200	1200
2024-04-01	1425.4	1425.2	1200	1200
2024-03-01	1425.4	1425.2	1200	1200
2024-02-01	1425.4	1425.2	1200	1200
2024-01-01	1425.4	1425.2	1200	1200
2023-12-01	1425.4	1425.2	1200	1200
2023-11-01	1425.4	1425.2	1200	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	Eden Schools Closed Trials 1 2020 (U9 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
2	Mossel Bay Trials 2 2020 (U9)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
3	Mossel Bay Trials 1 2020 (U9)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
4	Eden Trials 3 2019 (U10 Girls)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Western Cape Schools Individuals 2019 (U9 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	0	0	No	Analysis
6	Eden Trials 2 2019 (U10 Girls)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	Eden Trials 1 2019 (U10 Girls)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	4	3	Yes	Analysis

#	Games	Start				End
1	17	Tournament Eden Trials 3 2019				Tournament Eden Schools Closed Trials 1 2020
		date 2019-05-11	rnd 4	type Standard	result 0.5	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Windvogel, P (Paulene)				Opponent Bester, L (Lize-Mari)
2	3	Tournament Eden Trials 1 2019				Tournament Eden Trials 1 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Kruger, R (Riasha)				Opponent Badenhorst, A (Anina)
3	2	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Othandwaya, K (Kanana)				Opponent Steyn, K (Kaila)

#	Games	Start				End
1	17	Tournament Eden Trials 3 2019				Tournament Eden Schools Closed Trials 1 2020
		date 2019-05-11	rnd 4	type Standard	result 0.5	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Windvogel, P (Paulene)				Opponent Bester, L (Lize-Mari)
2	3	Tournament Eden Trials 1 2019				Tournament Eden Trials 1 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Kruger, R (Riasha)				Opponent Badenhorst, A (Anina)
3	2	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Othandwaya, K (Kanana)				Opponent Steyn, K (Kaila)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Cupido, N (Navin-Leigh)				Opponent Simons, W (Waydene)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Bowkers, M (Marcelle)				Opponent Bester, L (Lize-Mari)
3	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Moolman, J (Jahmeilio)				Opponent Pienaar, D (Dan-Mari)

#	Games	Start				End
1	4	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Cupido, N (Navin-Leigh)				Opponent Simons, W (Waydene)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Bowkers, M (Marcelle)				Opponent Bester, L (Lize-Mari)
3	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Moolman, J (Jahmeilio)				Opponent Pienaar, D (Dan-Mari)

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	Badenhorst ,A (Anina)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Badenhorst ,A (Anina)	3	1173.3	1315	3	1178.5	1315	0	0	0	0	0	0
2	Bester ,L (Lize-Mari)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Bester ,L (Lize-Mari)	3	1152.9	1294.5	3	1142.2	1294.5	0	0	0	0	0	0
3	Kruger ,R (Riasha)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Kruger ,R (Riasha)	3	1177.3	1319	3	1175.5	1319	0	0	0	0	0	0
4	Steyn ,K (Kaila)	2	2	425	2	2	425	0	0	0	0	0	0
4	Steyn ,K (Kaila)	2	1196.4	1621.4	2	1193.5	1621.4	0	0	0	0	0	0
5	Cupido ,N (Navin-Leigh)	2	2	425	2	2	425	0	0	0	0	0	0
5	Cupido ,N (Navin-Leigh)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
6	Gouws ,G (Garlan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Gouws ,G (Garlan)	2	1189.7	1189.7	2	1187	1189.7	0	0	0	0	0	0
7	Matthee ,D (Deavan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Matthee ,D (Deavan)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
8	Pienaar ,D (Dan-Mari)	2	2	425	2	2	425	0	0	0	0	0	0
8	Pienaar ,D (Dan-Mari)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
9	Mpuru ,M (Moyisi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mpuru ,M (Moyisi)	1	1152.8	1577.8	1	1157.2	1577.8	0	0	0	0	0	0
10	Windvogel ,P (Paulene)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Windvogel ,P (Paulene)	1	1086.2	1086.2	1	1069.6	1086.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Coetzee, M (Marelize)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms