Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, M (Mian�)

Chess SA id

2120309532

FIDE id

Date of birth

2012-09-28 (U14)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1201	1200	1201.7	1200
Raw rating	1201	1200	1201.7	1200
Weighted rating	1174.6	1172.1	1200.3	1200
Weighted performance	0	0	0	0
Floor	701	700	701.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.6	165.8	165.4	165.8
Highest rating	1201 2024-08-01	1200 2024-08-01	1201.7 2024-10-01	1200 2024-10-01
Highest raw rating	1201 2024-08-01	1200 2024-08-01	1201.7 2024-10-01	1200 2024-10-01
Highest weighted rating	1200.2 2024-08-01	1200 2024-08-01	1200.3 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1201	1200	1201.7	1200
Analysis
Rating	1201	1200	1201.7	1200
Raw rating	1201	1200	1201.7	1200
Weighted rating	1174.6	1172.1	1200.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	701	700	701.7	700
Max/Min rating change allowed	165.6	165.8	165.4	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	1201	1200	1201.7	1200
New weighted rating	1176.4	1174	1200.4	1200
New weighted performance	0	0	0	0
Temp new rating	1201	1200	1201.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1201	1200	1201.7	1200
New K-factor	36	36	36	36
New floor	701	700	701.7	700

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

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Female
Age group	U14
Region	Mangaung (FMB)
Province	Free State (FS)
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	5	2.5	50	0	1200	1200
Standard	0	0	0	0	0	0
Rapid	5	2.5	50	0	1200	1200
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3.5	35	-127.5	1167.6	1040.1
Standard	5	1	20	-255	1135.1	880.1
Rapid	5	2.5	50	0	1200	1200
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1201	1200	1201.7	1200
2025-09-01	1201	1200	1201.7	1200
2025-08-01	1174.2	1171.8	1200	1200
2025-07-01	1174.2	1171.8	1200	1200
2025-06-01	1174.2	1171.8	1200	1200
2025-05-01	1174.2	1171.8	1200	1200
2025-04-01	1174.2	1171.8	1200	1200
2025-03-01	1174.2	1171.8	1200	1200
2025-02-01	1172.3	1169.7	1200	1200
2025-01-01	1135.5	1129.6	1200	1200
2024-12-01	1135.5	1129.6	1200	1200
2024-11-01	1135.5	1129.6	1200	1200
2024-10-01	1135.5	1129.6	1200	1200
2024-09-01	1135.5	1129.6	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	Primary School Chess 07 June 2025 (Grade 6B+7B)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Primary School Chess 07 June 2025 (Grade 6B+7B)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
2	Mangaung Metro Chess 16-17 August 2024 (C)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 2	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 0.5
		Opponent Muller, J (Joshua)				Opponent Pretorius, S (Stefan)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, H (Heino)				Opponent Blake, H (Heino)
3	1	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-17	rnd 5	type Standard	result 0.5	date 2024-08-17	rnd 5	type Standard	result 0.5
		Opponent Vilakazi, S (Simangele)				Opponent Vilakazi, S (Simangele)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-17	rnd 5	type Standard	result 0.5	date 2024-08-17	rnd 5	type Standard	result 0.5
		Opponent Vilakazi, S (Simangele)				Opponent Vilakazi, S (Simangele)
2	1	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 16-17 August 2024
		date 2024-08-16	rnd 2	type Standard	result 0.5	date 2024-08-16	rnd 2	type Standard	result 0.5
		Opponent Du Toit, L (Liane')				Opponent Du Toit, L (Liane')

#	Games	Start				End
1	2	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 2	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 0.5
		Opponent Muller, J (Joshua)				Opponent Pretorius, S (Stefan)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, H (Heino)				Opponent Blake, H (Heino)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, H (Heino)				Opponent Blake, H (Heino)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 2	type Rapid	result 1	date 2025-06-06	rnd 2	type Rapid	result 1
		Opponent Muller, J (Joshua)				Opponent Muller, J (Joshua)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, H (Heino)				Opponent Blake, H (Heino)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 2	type Rapid	result 1	date 2025-06-06	rnd 2	type Rapid	result 1
		Opponent Muller, J (Joshua)				Opponent Muller, J (Joshua)

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	Waddell ,P (Petrus Hermanus (petri))	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Waddell ,P (Petrus Hermanus (petri))	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Du Toit ,L (Liane')	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Du Toit ,L (Liane')	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Vilakazi ,S (Simangele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Vilakazi ,S (Simangele)	1	1150.1	1150.1	1	1226.3	1150.1	0	0	0	0	0	0
4	Strydom ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Strydom ,L (Luan)	1	1001	576	1	1043.2	576	0	0	0	0	0	0
5	Mokhaoli ,B (Boitumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mokhaoli ,B (Boitumelo)	1	1124.6	699.6	1	1144.8	699.6	0	0	0	0	0	0
6	Sereba ,B (Bokamoso)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Sereba ,B (Bokamoso)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Muller ,J (Joshua)	1	1	425	0	0	0	1	1	425	0	0	0
7	Muller ,J (Joshua)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Blake ,H (Heino)	1	1	425	0	0	0	1	1	425	0	0	0
8	Blake ,H (Heino)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Melesi ,O (Omogolo)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Melesi ,O (Omogolo)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Pretorius ,S (Stefan)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Pretorius ,S (Stefan)	1	1200	1200	0	0	0	1	1200	1200	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 (Mian�)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms