Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, M (Michelle)

Chess SA id

2100193052

FIDE id

Date of birth

2010-10-07 (U16)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1126.3

Item	Main	Standard	Rapid	Blitz
Rating	1083.4	1073.3	1200	1200
Raw rating	1083.4	1073.3	1200	1200
Weighted rating	1064.5	1047.7	1200	1200
Weighted performance	914.2	914.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	195.8	198.6	165.8	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1083.4	1073.3	1200	1200
Analysis
Rating	1083.4	1073.3	1200	1200
Raw rating	1083.4	1073.3	1200	1200
Weighted rating	1064.5	1047.7	1200
Weighted performance	914.2	914.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	195.8	198.6	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	1083.4	1073.3	1200	1200
New weighted rating	1065	1048.8	1200	1200
New weighted performance	913.9	914.4	0	0
Temp new rating	1083.4	1073.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1083.4	1073.3	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	13	13
	17	17
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 30	Standard 30		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	4343		1209		450
Female	1148		418		169
U16	697		217		87
U16 Female	220		86		31
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	13	5	38.46	-98.1	1201.8	1103.7
Standard	13	5	38.46	-98.1	1201.8	1103.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	6	20	-255	1207.5	952.5
Standard	30	6	20	-255	1207.5	952.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1083.4	1073.3	1200	1200
2025-09-01	1083.4	1073.3	1200	1200
2025-08-01	1083.4	1073.3	1200	1200
2025-07-01	1083.4	1073.3	1200	1200
2025-06-01	1083.4	1073.3	1200	1200
2025-05-01	1083.4	1073.3	1200	1200
2025-04-01	1083.9	1070	1200	1200
2025-03-01	1071.6	1052.3	1200	1200
2025-02-01	1070.6	1051.5	1200	1200
2025-01-01	1013.1	990.4	1200	1200
2024-12-01	1013.1	990.4	1200	1200
2024-11-01	1013.1	990.4	1200	1200
2024-10-01	1013.1	990.4	1200	1200
2024-09-01	1033	1004	1200	1200
2024-08-01	1033	1004	1200	1200
2024-07-01	1033	1004	1200	1200
2024-06-01	1033	1004	1200	1200
2024-08-01	1033	1004	1200	1200
2024-04-01	1033	1004	1200	1200
2024-03-01	1067.2	1040	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	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	8	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	8	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	1	Yes	Analysis
4	Eden School Chess Trials 1 2024 (U15 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	4	0	Yes	Analysis
5	Kannaland Proewe 2 2024 (U15 Girls)	2024-02-24	2024-02-24	Standard	Eden (WEG)	5	4	0	Yes	Analysis
6	Kannaland Proewe 1 (U15 Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Gelderbloem, Q (Quelin)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Black, K (Kaylin)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Stuurman, K (Kelsey)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Gelderbloem, Q (Quelin)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Black, K (Kaylin)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Stuurman, K (Kelsey)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Gelderbloem, Q (Quelin)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Black, K (Kaylin)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Stuurman, K (Kelsey)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Gelderbloem, Q (Quelin)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Black, K (Kaylin)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Stuurman, K (Kelsey)				Opponent Stuurman, K (Kelsey)

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	Bruintjies ,R (Ruchenae)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Bruintjies ,R (Ruchenae)	3	1233.2	808.2	3	1240	808.2	0	0	0	0	0	0
2	Van Rooyen ,S (Shayla)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Rooyen ,S (Shayla)	2	1200	775	2	1200	775	0	0	0	0	0	0
3	Lewis ,L (Lu-Chandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lewis ,L (Lu-Chandre)	1	1173.4	748.4	1	1165.2	748.4	0	0	0	0	0	0
4	Van Wyk ,D (Deslovienne)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Wyk ,D (Deslovienne)	1	1094.4	1519.4	1	1200	1519.4	0	0	0	0	0	0
5	Walker ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Walker ,L (Luke)	1	1191.5	766.5	1	1184.4	766.5	0	0	0	0	0	0
6	Van Wyngaardt ,C (Chlo�)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Wyngaardt ,C (Chlo�)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Arries ,J (Jizelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Arries ,J (Jizelle)	1	1296.3	871.3	1	1297.9	871.3	0	0	0	0	0	0
8	Louw ,A (Alfonzo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Louw ,A (Alfonzo)	1	1218	793	1	1227.8	793	0	0	0	0	0	0
9	Shumane ,A (Anawo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Shumane ,A (Anawo)	1	1167.1	742.1	1	1159.6	742.1	0	0	0	0	0	0
10	Brown ,L (Lamees)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Brown ,L (Lamees)	1	1214.3	789.3	1	1204.1	789.3	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

Pieterse, 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