Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, M (Marze)

Chess SA id

2120143288

FIDE id

Date of birth

2012-09-04 (U14)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1204.8	1205.2	1200	1200
Raw rating	1169.5	1162.6	1200	1200
Weighted rating	1204.8	1205.2	1200	1200
Weighted performance	0	0	0	0
Floor	715.3	718	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.2	174.9	165.8	165.8
Highest rating	1279.4 2022-06-01	1277.4 2022-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1215.3 2024-03-01	1218 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1215.3 2024-06-01	1218 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1279.4 2022-06-01	1277.4 2022-06-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.2	-3.9	0	0
New rating	1201.6	1201.4	1200	1200
Analysis
Rating	1204.8	1205.2	1200	1200
Raw rating	1169.5	1162.6	1200	1200
Weighted rating	1204.8	1205.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.3	718	700	700
Max/Min rating change allowed	173.2	174.9	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	1169.5	1162.6	1200	1200
New weighted rating	1201.6	1201.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1201.6	1201.4	1200	1200
Temp new rating +/-	-3.2	-3.9	0	0
Final new rating +/-	-3.2	-3.9	0	0
New rating	1201.6	1201.4	1200	1200
New K-factor	36	36	36	36
New floor	715.3	718	700	700

Item	Main	Standard
	0	0
	4	4
	0	0
	0	0
	5	5
	0	0
History	9	9

Games since
	Main 4	Standard 4		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	4	0.5	12.5	-318.8	1208.1	889.3
Standard	4	0.5	12.5	-318.8	1208.1	889.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	3.5	38.89	-94.4	1196.4	1101.9
Standard	9	3.5	38.89	-94.4	1196.4	1101.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1169.5	1162.6	1200	1200
2025-09-30	1169.5	1162.6	1200	1200
2025-09-01	1169.5	1162.6	1200	1200
2025-08-01	1215.3	1218	1200	1200
2025-07-01	1215.3	1218	1200	1200
2025-06-01	1215.3	1218	1200	1200
2025-05-01	1215.3	1218	1200	1200
2025-04-01	1215.3	1218	1200	1200
2025-03-01	1215.3	1218	1200	1200
2025-02-01	1215.3	1218	1200	1200
2025-01-01	1215.3	1218	1200	1200
2024-12-01	1215.3	1218	1200	1200
2024-11-01	1215.3	1218	1200	1200
2024-10-01	1215.3	1218	1200	1200
2024-09-01	1215.3	1218	1200	1200
2024-08-01	1215.3	1218	1200	1200
2024-07-01	1215.3	1218	1200	1200
2024-09-01	1215.3	1218	1200	1200
2024-05-01	1215.3	1218	1200	1200
2024-04-01	1215.3	1218	1200	1200
2024-03-01	1215.3	1218	1200	1200
2024-02-01	1215.3	1218	1200	1200
2024-01-01	1215.3	1218	1200	1200
2023-12-01	1215.3	1218	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	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis
2	2022 Gauteng Schools Individual Chess Championship (U11 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-06-18	rnd 3	type Standard	result 1
		Opponent Mthethwa, S (Siphesihle)				Opponent Nkosi, Z (Zinhle)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Cronj�, C (Ceagan)				Opponent Cronj�, C (Ceagan)
3	1	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 5	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Phiri, T (Tshepiso)				Opponent Phiri, T (Tshepiso)

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-06-18	rnd 3	type Standard	result 1
		Opponent Mthethwa, S (Siphesihle)				Opponent Nkosi, Z (Zinhle)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Cronj�, C (Ceagan)				Opponent Cronj�, C (Ceagan)
3	1	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 5	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Phiri, T (Tshepiso)				Opponent Phiri, T (Tshepiso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-06-18	rnd 3	type Standard	result 1
		Opponent Mthethwa, S (Siphesihle)				Opponent Nkosi, Z (Zinhle)
2	1	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 5	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Phiri, T (Tshepiso)				Opponent Phiri, T (Tshepiso)

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 2	type Standard	result 1	date 2022-06-18	rnd 3	type Standard	result 1
		Opponent Mthethwa, S (Siphesihle)				Opponent Nkosi, Z (Zinhle)
2	1	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 5	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Phiri, T (Tshepiso)				Opponent Phiri, T (Tshepiso)

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	Ntshangase ,Q (Qhayiya)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ntshangase ,Q (Qhayiya)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Du Plooy ,H (Hanru)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plooy ,H (Hanru)	1	1232.3	807.3	1	1237.6	807.3	0	0	0	0	0	0
3	Joseph ,A (Amber)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Joseph ,A (Amber)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Cronj� ,C (Ceagan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Cronj� ,C (Ceagan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	van der Walt ,K (Kiera)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	van der Walt ,K (Kiera)	1	1134.9	709.9	1	1124.8	709.9	0	0	0	0	0	0
6	van Biljon ,R (Rossouw)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	van Biljon ,R (Rossouw)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Mthethwa ,S (Siphesihle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mthethwa ,S (Siphesihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Nkosi ,Z (Zinhle)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nkosi ,Z (Zinhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Phiri ,T (Tshepiso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Phiri ,T (Tshepiso)	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

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Coetzer, M (Marze)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms