Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, M (Michelle)

Chess SA id

2110135380

FIDE id

Date of birth

2011-11-25 (U16)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1126.3	1126.6	1174.1	1133.8
Raw rating	1126.3	1126.6	1174.1	1133.8
Weighted rating	1122.9	1123.8	1171.4	1133.7
Weighted performance	782.3	780.3	0	0
Floor	701	700.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.2	184.1	172	182.2
Highest rating	1202.6 2021-09-01	1200.8 2021-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1201 2021-10-01	1200.8 2021-10-01	1200 2024-03-01	1200 2019-12-01
Highest weighted rating	1201 2022-04-01	1200.8 2022-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1202.6 2021-09-01	1200.6 2021-09-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1126.3	1126.6	1174.1	1133.8
Analysis
Rating	1126.3	1126.6	1174.1	1133.8
Raw rating	1126.3	1126.6	1174.1	1133.8
Weighted rating	1122.9	1123.8	1171.4
Weighted performance	782.3	780.3	0
K-factor	36	36	36	36
Floor	701	700.8	700	700
Max/Min rating change allowed	184.2	184.1	172	182.2
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	1126.3	1126.6	1174.1	1133.8
New weighted rating	1122.9	1123.9	1171.3	1133.7
New weighted performance	781.9	779.9	0	0
Temp new rating	1126.3	1126.6	1174.1	1133.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1126.3	1126.6	1174.1	1133.8
New K-factor	36	36	36	36
New floor	701	700.8	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	6	4	2	0
	23	18	0	5
	9	9	0	0
	5	5	0	0
History	43	36	2	5

Games since
	Main 6	Standard 4		Rapid 2		Blitz 0
Gender	Female
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	43	15	34.88	-128.5	1245.6	1117.1
Standard	36	14	38.89	-94.4	1212.1	1117.7
Rapid	2	0	0	-425	1338.3	913.3
Blitz	5	1	20	-255	1449.5	1194.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1126.3	1126.6	1174.1	1133.8
2025-09-01	1126.3	1126.6	1174.1	1133.8
2025-08-01	1126.3	1126.6	1174.1	1133.8
2025-07-01	1126.3	1126.6	1174.1	1133.8
2025-06-01	1126.3	1126.6	1174.1	1133.8
2025-05-01	1126.3	1126.6	1174.1	1133.8
2025-04-01	1126.3	1126.6	1174.1	1133.8
2025-03-01	1126.3	1126.6	1174.1	1133.8
2025-02-01	1126.3	1126.6	1173.9	1133.8
2025-01-01	1114.5	1117.6	1162.6	1133.6
2024-12-01	1114.5	1117.6	1162.6	1133.6
2024-11-01	1114.5	1117.6	1162.6	1133.6
2024-10-01	1114.5	1117.6	1162.6	1133.6
2024-09-01	1114.5	1117.6	1162.6	1133.6
2024-08-01	1114.5	1117.6	1162.6	1133.6
2024-07-01	1114.5	1117.6	1162.6	1133.6
2024-06-01	1114.5	1117.6	1162.6	1133.6
2024-08-01	1114.5	1117.6	1162.6	1133.6
2024-04-01	1114.5	1117.6	1162.6	1133.6
2024-03-01	1125.3	1117.6	1200	1133.6
2024-02-01	1125.3	1117.6	1200	1133.6
2024-01-01	1163.9	1158.3	1200	1133.6
2023-12-01	1163.9	1158.3	1200	1133.6
2023-11-01	1163.9	1158.3	1200	1133.6

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	Benoni Primary School Cluster Individuals 2024 (U13 Girls)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	2	0	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (U14C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
3	Ekurhuleni Chess Trial 3 2023 (U14)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	3	1	Yes	Analysis
4	Ekurhuleni North Schools Individual Finals 2023 (U13 Girls)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Mzansi Open Blitz 2023	2023-04-29	2023-04-29	Blitz	Johannesburg Metro (GJM)	9	5	1	Yes	Analysis
6	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
7	Ekhuruleni Chess Trials 1 2023 (U14)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
8	Ekurhuleni-North Schools Finals Indiv 2022 (U11 Girls)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
9	Ekurhuleni Trials 1 2022 (U12)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
10	Ekurhuleni North Schools Individual 2021 (D)	2021-09-11	2021-09-11	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 0.5	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Schiel, A (Amy)				Opponent Myburgh, M (Melinda)
2	2	Tournament Ekurhuleni Trials 2 2023				Tournament Ekurhuleni Trials 2 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 0.5
		Opponent Maseko, S (Sihle)				Opponent Smith, H (Henre)
3	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mofu, M (Milani)				Opponent Kriel, D (Darius Kidon)

#	Games	Start				End
1	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 0.5	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Schiel, A (Amy)				Opponent Myburgh, M (Melinda)
2	2	Tournament Ekurhuleni Trials 2 2023				Tournament Ekurhuleni Trials 2 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 0.5
		Opponent Maseko, S (Sihle)				Opponent Smith, H (Henre)
3	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mofu, M (Milani)				Opponent Kriel, D (Darius Kidon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Mzansi Open Blitz 2023				Tournament Mzansi Open Blitz 2023
		date 2023-04-29	rnd 4	type Blitz	result 1	date 2023-04-29	rnd 4	type Blitz	result 1
		Opponent Westoby, A (Adam)				Opponent Westoby, A (Adam)

#	Games	Start				End
1	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mofu, M (Milani)				Opponent Kriel, D (Darius Kidon)
2	2	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 2	type Standard	result 1	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Zulu, G (Grace)				Opponent Myburgh, M (Melinda)
3	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni Trials 1 2022
		date 2021-09-11	rnd 5	type Standard	result 1	date 2022-04-23	rnd 1	type Standard	result 1
		Opponent Naude, J (Juliette)				Opponent Viljoen, H (Heinrich)

#	Games	Start				End
1	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mofu, M (Milani)				Opponent Kriel, D (Darius Kidon)
2	2	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 2	type Standard	result 1	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Zulu, G (Grace)				Opponent Myburgh, M (Melinda)
3	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni Trials 1 2022
		date 2021-09-11	rnd 5	type Standard	result 1	date 2022-04-23	rnd 1	type Standard	result 1
		Opponent Naude, J (Juliette)				Opponent Viljoen, H (Heinrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Mzansi Open Blitz 2023				Tournament Mzansi Open Blitz 2023
		date 2023-04-29	rnd 4	type Blitz	result 1	date 2023-04-29	rnd 4	type Blitz	result 1
		Opponent Westoby, A (Adam)				Opponent Westoby, A (Adam)

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	Cronje ,K (Karlien)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Cronje ,K (Karlien)	1	1196.8	1196.8	1	1212.8	1196.8	0	0	0	0	0	0
2	Huebsch ,K (Kaleigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Huebsch ,K (Kaleigh)	1	1237.5	812.5	1	1217.8	812.5	0	0	0	0	0	0
3	Kriel ,D (Darius Kidon)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kriel ,D (Darius Kidon)	1	1220.5	1645.5	1	1216	1645.5	0	0	0	0	0	0
4	Myburgh ,M (Melinda)	1	1	425	1	1	425	0	0	0	0	0	0
4	Myburgh ,M (Melinda)	1	1114.2	1539.2	1	1118.8	1539.2	0	0	0	0	0	0
5	Labuschagne ,M (Melindie)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Labuschagne ,M (Melindie)	1	1233.1	808.1	1	1228.4	808.1	0	0	0	0	0	0
6	Maseko ,S (Sihle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Maseko ,S (Sihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Botha ,CA (Cathri Amari)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Botha ,CA (Cathri Amari)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Paulse ,L (Leilani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Paulse ,L (Leilani)	1	1253.2	828.2	1	1247.6	828.2	0	0	0	0	0	0
9	Naicker ,TK (Taidaeo Keddah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Naicker ,TK (Taidaeo Keddah)	1	1174.4	749.4	1	1170.4	749.4	0	0	0	0	0	0
10	Pillman ,L (Lana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Pillman ,L (Lana)	1	1200	1200	1	1200	1200	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 (Michelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms