Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, I (Iretha)

Chess SA id

2100311041

FIDE id

Date of birth

2010-07-08 (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

964.8

Item	Main	Standard	Rapid	Blitz
Rating	1202.5	1204.5	1200	1200
Raw rating	1202.4	1204.2	1200	1200
Weighted rating	1202.5	1204.5	1200	1200
Weighted performance	0	0	0	0
Floor	706.3	710.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.3	164.8	165.8	165.8
Highest rating	1240.2 2024-09-01	1260.9 2024-09-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1206.3 2024-10-01	1210.4 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1206.3 2024-10-01	1210.4 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1240.2 2024-09-01	1260.9 2024-09-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.1	0	0
New rating	1202.5	1204.6	1200	1200
Analysis
Rating	1202.5	1204.5	1200	1200
Raw rating	1202.4	1204.2	1200	1200
Weighted rating	1202.5	1204.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	706.3	710.4	700	700
Max/Min rating change allowed	165.3	164.8	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	1202.4	1204.2	1200	1200
New weighted rating	1202.5	1204.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1202.5	1204.6	1200	1200
Temp new rating +/-	0	0.1	0	0
Final new rating +/-	0	0.1	0	0
New rating	1202.5	1204.6	1200	1200
New K-factor	36	36	36	36
New floor	706.3	710.4	700	700

Item	Main	Standard
	0	0
	13	13
	3	3
	0	0
	0	0
	0	0
History	16	16

Games since
	Main 16	Standard 16		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	13	2.5	19.23	-261.5	1231.8	970.3
Standard	13	2.5	19.23	-261.5	1231.8	970.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	4.5	28.12	-185.9	1206.8	1020.9
Standard	16	4.5	28.12	-185.9	1206.8	1020.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1202.4	1204.2	1200	1200
2025-09-30	1202.4	1204.2	1200	1200
2025-09-01	1202.4	1204.2	1200	1200
2025-08-01	1202.4	1204.2	1200	1200
2025-07-01	1202.3	1204.1	1200	1200
2025-06-01	1201.9	1203.6	1200	1200
2025-05-01	1197.5	1198.2	1200	1200
2025-04-01	1199.5	1200.5	1200	1200
2025-03-01	1206.3	1210.4	1200	1200
2025-02-01	1206.3	1210.4	1200	1200
2025-01-01	1206.3	1210.4	1200	1200
2024-12-01	1206.3	1210.4	1200	1200
2024-11-01	1206.3	1210.4	1200	1200
2024-10-01	1206.3	1210.4	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	1.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1	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	1.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	3	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Top Schools Championship 2024				Tournament Eden Schools Chess Trials 1 2025
		date 2024-08-30	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Batyie, L (Liyema)				Opponent April, K (Kaylen)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Louw, E (Ezra)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 0.5	date 2025-03-15	rnd 1	type Standard	result 0.5
		Opponent Stander, H (Hendrik)				Opponent Stander, H (Hendrik)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools Championship 2024				Tournament Eden Schools Chess Trials 1 2025
		date 2024-08-30	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Batyie, L (Liyema)				Opponent April, K (Kaylen)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Louw, E (Ezra)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 0.5	date 2025-03-15	rnd 1	type Standard	result 0.5
		Opponent Stander, H (Hendrik)				Opponent Stander, H (Hendrik)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Top Schools Championship 2024				Tournament Eden Schools Chess Trials 1 2025
		date 2024-08-30	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Batyie, L (Liyema)				Opponent April, K (Kaylen)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Louw, E (Ezra)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools Championship 2024				Tournament Eden Schools Chess Trials 1 2025
		date 2024-08-30	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Batyie, L (Liyema)				Opponent April, K (Kaylen)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Louw, E (Ezra)				Opponent Louw, E (Ezra)

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	Batyie ,L (Liyema)	1	1	425	1	1	425	0	0	0	0	0	0
1	Batyie ,L (Liyema)	1	1163.5	1588.5	1	1154.8	1588.5	0	0	0	0	0	0
2	Miller-Bake ,A (Arianna)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Miller-Bake ,A (Arianna)	1	1128.6	703.6	1	1112.5	703.6	0	0	0	0	0	0
3	Stander ,H (Hendrik)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Stander ,H (Hendrik)	1	1465.4	1465.4	1	1471	1465.4	0	0	0	0	0	0
4	April ,K (Kaylen)	1	1	425	1	1	425	0	0	0	0	0	0
4	April ,K (Kaylen)	1	1053.9	1478.9	1	1026.8	1478.9	0	0	0	0	0	0
5	Van Rooyen ,J (Janel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Rooyen ,J (Janel)	1	1003.6	1428.6	1	1090.4	1428.6	0	0	0	0	0	0
6	Smit ,M (Matthys)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Smit ,M (Matthys)	1	1378.9	953.9	1	1371.7	953.9	0	0	0	0	0	0
7	Julies ,M (Miche)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Julies ,M (Miche)	1	1403.1	978.1	1	1403.8	978.1	0	0	0	0	0	0
8	Saayman ,M (Miljenay)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Saayman ,M (Miljenay)	1	1344.3	919.3	1	1324.7	919.3	0	0	0	0	0	0
9	Mageduka ,M (Minentle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mageduka ,M (Minentle)	1	1160.5	735.5	1	1158.7	735.5	0	0	0	0	0	0
10	Siganga ,P (Princess)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Siganga ,P (Princess)	1	1116.7	691.7	1	1109	691.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Pieterse, I (Iretha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms