Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, Z (Zo�)

Chess SA id

2100326108

FIDE id

Date of birth

2010-12-16 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1084

Item	Main	Standard	Rapid	Blitz
Rating	1201.7	1201.9	1200	1200
Raw rating	1191.7	1188.3	1200	1200
Weighted rating	1201.7	1201.9	1200	1200
Weighted performance	0	0	0	0
Floor	715.6	718.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.8	168.6	165.8	165.8
Highest rating	1215.6 2025-09-01	1218.9 2025-09-01	1200 2025-08-23	1200 2025-08-23
Highest raw rating	1215.6 2025-09-01	1218.9 2025-09-01	1200 2025-08-23	1200 2025-08-23
Highest weighted rating	1201.7 2025-11-01	1201.9 2025-11-01	1200 2025-08-23	1200 2025-08-23
Highest weighted performance	1200 2025-08-23	1200 2025-08-23	1200 2025-08-23	1200 2025-08-23

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-1	0	0
New rating	1200.9	1200.9	1200	1200
Analysis
Rating	1201.7	1201.9	1200	1200
Raw rating	1191.7	1188.3	1200	1200
Weighted rating	1201.7	1201.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.6	718.9	700	700
Max/Min rating change allowed	167.8	168.6	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	1191.7	1188.3	1200	1200
New weighted rating	1200.9	1200.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1200.9	1200.9	1200	1200
Temp new rating +/-	-0.7	-1	0	0
Final new rating +/-	-0.7	-1	0	0
New rating	1200.9	1200.9	1200	1200
New K-factor	36	36	36	36
New floor	715.6	718.9	700	700

Item	Main	Standard
	0	0
	13	13
	8	8
	0	0
	0	0
	0	0
History	21	21

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	F
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	13	4.5	34.62	-130.8	1213.8	1083
Standard	13	4.5	34.62	-130.8	1213.8	1083
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	7	33.33	-141.7	1208.4	1066.7
Standard	21	7	33.33	-141.7	1208.4	1066.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1191.7	1188.3	1200	1200
2025-09-30	1215.6	1218.9	1200	1200
2025-09-01	1215.6	1218.9	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 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane North District CLOSED Team Championships (D3) (U19 Girls)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	3	2	1.5	Yes	Analysis
3	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Girls)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	3	2	1	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane North District CLOSED Team Championships (D3) (U19 Girls)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	3	2	1.5	Yes	Analysis
3	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Girls)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	3	2	1	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
5	2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
6	District 3 Cluster 4 and 5 Individuals 2024 (U15 Girls)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Scheepers, B (Bianca)				Opponent Heymans, C (Caitlyn)
2	2	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 2	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Moatlhudi, R (Rorisang)				Opponent George, K (Katherina)
3	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Mukhuba, M (Makhadzi Aluwani)				Opponent Tuckeldoe, E (Emma Rachel)

#	Games	Start				End
1	3	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Scheepers, B (Bianca)				Opponent Heymans, C (Caitlyn)
2	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Mukhuba, M (Makhadzi Aluwani)				Opponent Tuckeldoe, E (Emma Rachel)
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 0.5	date 2024-05-11	rnd 1	type Standard	result 0.5
		Opponent Pike, P (Princess)				Opponent Pike, P (Princess)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Scheepers, B (Bianca)				Opponent Molekwa, K (Katlego)
2	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Mukhuba, M (Makhadzi Aluwani)				Opponent Tuckeldoe, E (Emma Rachel)

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Scheepers, B (Bianca)				Opponent Molekwa, K (Katlego)
2	2	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Mukhuba, M (Makhadzi Aluwani)				Opponent Tuckeldoe, E (Emma Rachel)

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	Mukhuba ,M (Makhadzi Aluwani)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mukhuba ,M (Makhadzi Aluwani)	2	1193.1	1193.1	2	1191.3	1193.1	0	0	0	0	0	0
2	Visagie ,L (Line)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Visagie ,L (Line)	2	1200	775	2	1200	775	0	0	0	0	0	0
3	Coetzee ,C (Catryn)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Coetzee ,C (Catryn)	1	1185.3	760.3	1	1196.9	760.3	0	0	0	0	0	0
4	Baloyi ,B (Busisiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Baloyi ,B (Busisiwe)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Moodley ,DD (Dhivya Dhanam)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Moodley ,DD (Dhivya Dhanam)	1	1211.7	786.7	1	1222.6	786.7	0	0	0	0	0	0
6	Tembo ,G (Ginnah)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tembo ,G (Ginnah)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Moatlhudi ,R (Rorisang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moatlhudi ,R (Rorisang)	1	1201.6	1626.6	1	1200	1626.6	0	0	0	0	0	0
8	Pike ,P (Princess)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Pike ,P (Princess)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Heymans ,C (Caitlyn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Heymans ,C (Caitlyn)	1	1218	1218	1	1221.7	1218	0	0	0	0	0	0
10	Molekwa ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
10	Molekwa ,K (Katlego)	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

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PLAYER PAGE

Personal

De Lange, Z (Zo�)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms