Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuyzen, J (Julianne)

Chess SA id

2110328396

FIDE id

Date of birth

2011-06-08 (U16)

Gender

Female

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

2025-09-30

Junior GPX Games

15.5

Junior GPX Points

977.9

Item	Main	Standard	Rapid	Blitz
Rating	1197.4	1195.7	1205.3	1200
Raw rating	1183.6	1172.3	1205.3	1200
Weighted rating	1197.4	1195.7	1200.8	1200
Weighted performance	0	0	0	0
Floor	700	700	705.3	700
K-factor	40	40	36	36
Min/Max rating change allowed	169.7	172.5	164.6	165.8
Highest rating	1200 2025-09-29	1200 2025-09-29	1205.3 2025-09-30	1200 2025-09-29
Highest raw rating	1200 2025-09-29	1200 2025-09-29	1205.3 2025-09-30	1200 2025-09-29
Highest weighted rating	1200 2025-09-29	1200 2025-09-29	1200.4 2025-09-30	1200 2025-09-29
Highest weighted performance	0 2025-09-29	0 2025-09-29	0 2025-09-29	0 2025-09-29

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.2	-2	0	0
New rating	1196.2	1193.6	1205.3	1200
Analysis
Rating	1197.4	1195.7	1205.3	1200
Raw rating	1183.6	1172.3	1205.3	1200
Weighted rating	1197.4	1195.7	1200.8
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	700	700	705.3	700
Max/Min rating change allowed	169.7	172.5	164.6	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	1183.6	1172.3	1205.3	1200
New weighted rating	1196.2	1193.6	1201.2	1200
New weighted performance	0	0	0	0
Temp new rating	1196.2	1193.6	1205.3	1200
Temp new rating +/-	-1.2	-2	0	0
Final new rating +/-	-1.2	-2	0	0
New rating	1196.2	1193.6	1205.3	1200
New K-factor	40	40	36	36
New floor	700	700	705.3	700

Item	Main	Standard	Rapid
	0	0	0
	21	10	11
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	21	10	11

Games since
	Main 21	Standard 10		Rapid 11		Blitz 0
Gender	F
Age group	U16
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-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	21	6	28.57	-182.1	1240.7	1058.6
Standard	10	2	20	-255	1246	991
Rapid	11	4	36.36	-115.9	1236	1120.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	6	28.57	-182.1	1240.7	1058.6
Standard	10	2	20	-255	1246	991
Rapid	11	4	36.36	-115.9	1236	1120.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1183.6	1172.3	1205.3	1200
2025-09-30	1183.6	1172.3	1205.3	1200
2025-09-01	1200	1200	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	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	2025 Umhlathuze Mayoral Cup (U20)	2025-09-20	2025-09-20	Standard	King Cetshwayo (KUR)	5	2	0	Yes	Analysis
2	2025 3rd Annual UniZulu Tournament (U14+U16)	2025-09-13	2025-09-13	Rapid	King Cetshwayo (KUR)	6	6	3	Yes	Analysis
3	2025 King Cetshwayo Inter-School Teams Junior Primary (High School)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	1	Yes	Analysis
4	2025 King Cetshwayo Winter Open (U16)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	4	0	Yes	Analysis
5	2025 Kinng Cetshwayo Championship (U16 Girls)	2025-03-01	2025-03-01	Standard	King Cetshwayo (KUR)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Umhlathuze Mayoral Cup (U20)	2025-09-20	2025-09-20	Standard	King Cetshwayo (KUR)	5	2	0	Yes	Analysis
2	2025 3rd Annual UniZulu Tournament (U14+U16)	2025-09-13	2025-09-13	Rapid	King Cetshwayo (KUR)	6	6	3	Yes	Analysis
3	2025 King Cetshwayo Inter-School Teams Junior Primary (High School)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	1	Yes	Analysis
4	2025 King Cetshwayo Winter Open (U16)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	4	0	Yes	Analysis
5	2025 Kinng Cetshwayo Championship (U16 Girls)	2025-03-01	2025-03-01	Standard	King Cetshwayo (KUR)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Kinng Cetshwayo Championship				Tournament 2025 Kinng Cetshwayo Championship
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Mthiyane, A (Andiswa)				Opponent Mnguni, Z (Ziyanda)
2	1	Tournament 2025 3rd Annual UniZulu Tournament				Tournament 2025 3rd Annual UniZulu Tournament
		date 2025-09-13	rnd 6	type Rapid	result 1	date 2025-09-13	rnd 6	type Rapid	result 1
		Opponent Ntshangase, M (Minenhle)				Opponent Ntshangase, M (Minenhle)
3	1	Tournament 2025 3rd Annual UniZulu Tournament				Tournament 2025 3rd Annual UniZulu Tournament
		date 2025-09-13	rnd 4	type Rapid	result 1	date 2025-09-13	rnd 4	type Rapid	result 1
		Opponent Zungu, O (Oluhle)				Opponent Zungu, O (Oluhle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Wilson ,I (Isabelle)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Wilson ,I (Isabelle)	3	1219.1	794.1	2	1225.8	794.1	1	1198.2	794.1	0	0	0
2	Vetrimurugan ,S (Sujan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Vetrimurugan ,S (Sujan)	2	1305.8	880.8	1	1274.9	880.8	1	1262.7	880.8	0	0	0
3	Mnguni ,Z (Ziyanda)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mnguni ,Z (Ziyanda)	1	1196.3	1621.3	1	1195.6	1621.3	0	0	0	0	0	0
4	Zikhali ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zikhali ,P (Prince)	1	1383.4	958.4	1	1389.8	958.4	0	0	0	0	0	0
5	Mthiyane ,A (Andiswa)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mthiyane ,A (Andiswa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Olivier ,I (Izan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Olivier ,I (Izan)	1	1208.8	783.8	1	1209.5	783.8	0	0	0	0	0	0
7	Heenop ,D (Darious)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Heenop ,D (Darious)	1	1296	871	1	1313.8	871	0	0	0	0	0	0
8	Mavundla ,S (Simo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mavundla ,S (Simo)	1	1219.9	794.9	1	1200	794.9	0	0	0	0	0	0
9	Gina ,S (Sbakhile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gina ,S (Sbakhile)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Xulu ,L (Lindani)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Xulu ,L (Lindani)	1	1427.6	1002.6	0	0	0	1	1256.4	1002.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Oosthuyzen, J (Julianne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms