Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, Z (Zahnie)

Chess SA id

2120145871

FIDE id

Date of birth

2012-08-25 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1149.3	1141.2	1200	1200
Raw rating	1149.3	1141.2	1200	1200
Weighted rating	1146.8	1138.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.2	180.3	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1149.3	1141.2	1200	1200
Analysis
Rating	1149.3	1141.2	1200	1200
Raw rating	1149.3	1141.2	1200	1200
Weighted rating	1146.8	1138.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.2	180.3	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	1149.3	1141.2	1200	1200
New weighted rating	1146.8	1138.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1149.3	1141.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1149.3	1141.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	14	14
	0	0
	4	4
	0	0
History	18	18

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	18	5	27.78	-188.9	1258.4	1069.5
Standard	18	5	27.78	-188.9	1258.4	1069.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1149.3	1141.2	1200	1200
2025-09-30	1149.3	1141.2	1200	1200
2025-09-01	1149.3	1141.2	1200	1200
2025-08-01	1149.3	1141.2	1200	1200
2025-07-01	1149.3	1141.2	1200	1200
2025-06-01	1149.3	1141.2	1200	1200
2025-05-01	1149.3	1141.2	1200	1200
2025-04-01	1149.3	1141.2	1200	1200
2025-03-01	1149.3	1141.2	1200	1200
2025-02-01	1148.8	1140.7	1200	1200
2025-01-01	1134.5	1125.6	1200	1200
2024-12-01	1134.5	1125.6	1200	1200
2024-11-01	1134.5	1125.6	1200	1200
2024-10-01	1134.5	1125.6	1200	1200
2024-09-01	1134.5	1125.6	1200	1200
2024-08-01	1134.2	1124.4	1200	1200
2024-07-01	1142.2	1132.8	1200	1200
2024-09-01	1142.2	1132.8	1200	1200
2024-05-01	1168.1	1161.6	1200	1200
2024-04-01	1168.1	1161.6	1200	1200
2024-03-01	1168.1	1161.6	1200	1200
2024-02-01	1168.1	1161.6	1200	1200
2024-01-01	1168.1	1161.6	1200	1200
2023-12-01	1168.1	1161.6	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	2024 Tshwane North School District Team League Finals (U13 Girls)	2024-08-02	2024-08-02	Standard	Tshwane (GTP)	3	3	1	Yes	Analysis
2	2024 Tshwane North School District Cluster 4 & 5 Team League (U13 Girls)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	2	2	0	Yes	Analysis
3	2024 Tshwane North School District CLOSED Individual Champioships (U13 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	District 3 Cluster 4 and 5 Individuals 2024 (U13 Girls)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
5	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-02	rnd 3	type Standard	result 1	date 2024-08-02	rnd 3	type Standard	result 1
		Opponent Dikomang, S (Success)				Opponent Dikomang, S (Success)
2	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Mmekoa, T (Tlotlang)				Opponent Mmekoa, T (Tlotlang)
3	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Motsepe, M (Mphoentle)				Opponent Motsepe, M (Mphoentle)

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-02	rnd 3	type Standard	result 1	date 2024-08-02	rnd 3	type Standard	result 1
		Opponent Dikomang, S (Success)				Opponent Dikomang, S (Success)
2	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Mmekoa, T (Tlotlang)				Opponent Mmekoa, T (Tlotlang)
3	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Motsepe, M (Mphoentle)				Opponent Motsepe, M (Mphoentle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-02	rnd 3	type Standard	result 1	date 2024-08-02	rnd 3	type Standard	result 1
		Opponent Dikomang, S (Success)				Opponent Dikomang, S (Success)
2	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Mmekoa, T (Tlotlang)				Opponent Mmekoa, T (Tlotlang)
3	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Motsepe, M (Mphoentle)				Opponent Motsepe, M (Mphoentle)

#	Games	Start				End
1	1	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-02	rnd 3	type Standard	result 1	date 2024-08-02	rnd 3	type Standard	result 1
		Opponent Dikomang, S (Success)				Opponent Dikomang, S (Success)
2	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 1
		Opponent Mmekoa, T (Tlotlang)				Opponent Mmekoa, T (Tlotlang)
3	1	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Motsepe, M (Mphoentle)				Opponent Motsepe, M (Mphoentle)

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	Strauss ,L (Lun�)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Strauss ,L (Lun�)	3	1472.9	1047.9	3	1471.6	1047.9	0	0	0	0	0	0
2	Dikomang ,S (Success)	1	1	425	1	1	425	0	0	0	0	0	0
2	Dikomang ,S (Success)	1	1184.1	1609.1	1	1180.8	1609.1	0	0	0	0	0	0
3	Du Toit ,L (Leon�)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Du Toit ,L (Leon�)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Semenekane ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Semenekane ,L (Lesedi)	1	1230	805	1	1236.4	805	0	0	0	0	0	0
5	Mmekoa ,T (Tlotlang)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mmekoa ,T (Tlotlang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mojela ,O (Oratile)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mojela ,O (Oratile)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Brooks ,H (Hadey)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Brooks ,H (Hadey)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Motsepe ,M (Mphoentle)	1	1	425	1	1	425	0	0	0	0	0	0
8	Motsepe ,M (Mphoentle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Matlou ,B (Batlile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Matlou ,B (Batlile)	1	1183.4	758.4	1	1179.2	758.4	0	0	0	0	0	0
10	Rakau ,L (Lebohang)	1	1	425	1	1	425	0	0	0	0	0	0
10	Rakau ,L (Lebohang)	1	1200	1625	1	1200	1625	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

Van Rooyen, Z (Zahnie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms