Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, Z (Zo�)

Chess SA id

2100326108

FIDE id

Date of birth

2010-12-16 (U18)

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

Item	Main	Standard	Rapid	Blitz
Rating	1200.2	1199.9	1200	1200
Raw rating	1191.7	1188.3	1200	1200
Weighted rating	1200.2	1199.9	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	-0.9	0	0
New rating	1199.5	1199	1200	1200
Analysis
Rating	1200.2	1199.9	1200	1200
Raw rating	1191.7	1188.3	1200	1200
Weighted rating	1200.2	1199.9	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	1199.5	1199	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.5	1199	1200	1200
Temp new rating +/-	-0.7	-0.9	0	0
Final new rating +/-	-0.7	-0.9	0	0
New rating	1199.5	1199	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
2026-01-01	1191.7	1188.3	1200	1200
2025-11-30	1191.7	1188.3	1200	1200
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
2024-11-01	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 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