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

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1195.1	1191.7	1205.3	1200
Raw rating	1183.6	1172.3	1205.3	1200
Weighted rating	1195.1	1191.7	1201.6	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	-1.1	-1.8	0	0
New rating	1194	1189.9	1205.3	1200
Analysis
Rating	1195.1	1191.7	1205.3	1200
Raw rating	1183.6	1172.3	1205.3	1200
Weighted rating	1195.1	1191.7	1201.6
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	1194	1189.9	1201.9	1200
New weighted performance	0	0	0	0
Temp new rating	1194	1189.9	1205.3	1200
Temp new rating +/-	-1.1	-1.8	0	0
Final new rating +/-	-1.1	-1.8	0	0
New rating	1194	1189.9	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
2026-01-01	1183.6	1172.3	1205.3	1200
2025-11-30	1183.6	1172.3	1205.3	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	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