Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, Z (Zander)

Chess SA id

1140317538

FIDE id

Date of birth

2014-04-14 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

2025-08-26

Junior GPX Games

Junior GPX Points

1189.8

Item	Main	Standard	Rapid	Blitz
Rating	1199.7	1199.8	1200	1200
Raw rating	1198.4	1199.3	1200	1200
Weighted rating	1199.7	1199.8	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	166.2	166	165.8	165.8
Highest rating	1199.9 2025-07-01	1199.9 2025-07-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1199.9 2025-07-01	1199.9 2025-07-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1199.9 2025-07-01	1199.9 2025-07-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	-0.1	0	0
New rating	1199.6	1199.8	1200	1200
Analysis
Rating	1199.7	1199.8	1200	1200
Raw rating	1198.4	1199.3	1200	1200
Weighted rating	1199.7	1199.8	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	166.2	166	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	1198.4	1199.3	1200	1200
New weighted rating	1199.6	1199.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.6	1199.8	1200	1200
Temp new rating +/-	-0.1	-0.1	0	0
Final new rating +/-	-0.1	-0.1	0	0
New rating	1199.6	1199.8	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	M
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-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	14	5.5	39.29	-91.1	1275.5	1184.4
Standard	14	5.5	39.29	-91.1	1275.5	1184.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5.5	39.29	-91.1	1275.5	1184.4
Standard	14	5.5	39.29	-91.1	1275.5	1184.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198.4	1199.3	1200	1200
2025-09-01	1198.4	1199.3	1200	1200
2025-08-01	1199.9	1199.9	1200	1200
2025-07-01	1199.9	1199.9	1200	1200
2025-06-01	1199.9	1199.9	1200	1200
2025-05-01	1199.8	1199.7	1200	1200
2025-04-01	1199.6	1199.6	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	4	1.5	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	4	1.5	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 0.5
		Opponent October, A (Aliyah)				Opponent Gouws, A (Anja)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jacobs, W (Wian)				Opponent Jacobs, W (Wian)
3	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Prins, B (Bryston)				Opponent Prins, B (Bryston)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 0.5
		Opponent October, A (Aliyah)				Opponent Gouws, A (Anja)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jacobs, W (Wian)				Opponent Jacobs, W (Wian)
3	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Prins, B (Bryston)				Opponent Prins, B (Bryston)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jacobs, W (Wian)				Opponent Jacobs, W (Wian)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Prins, B (Bryston)				Opponent Prins, B (Bryston)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent October, A (Aliyah)				Opponent October, A (Aliyah)

#	Games	Start				End
1	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jacobs, W (Wian)				Opponent Jacobs, W (Wian)
2	1	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Prins, B (Bryston)				Opponent Prins, B (Bryston)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent October, A (Aliyah)				Opponent October, A (Aliyah)

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	Gous ,A (Anja)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Gous ,A (Anja)	1	1374.7	1374.7	1	1342	1374.7	0	0	0	0	0	0
2	Petersen ,E (Elijah)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Petersen ,E (Elijah)	1	1240	815	1	1249.2	815	0	0	0	0	0	0
3	Punt ,CR (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Punt ,CR (Christiaan)	1	1306.5	881.5	1	1315.9	881.5	0	0	0	0	0	0
4	October ,A (Aliyah)	1	1	425	1	1	425	0	0	0	0	0	0
4	October ,A (Aliyah)	1	1206.8	1631.8	1	1205.7	1631.8	0	0	0	0	0	0
5	Makvahanjwe ,Z (Zaide)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Makvahanjwe ,Z (Zaide)	1	1214.8	789.8	1	1218	789.8	0	0	0	0	0	0
6	Grace ,S (Shane-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Grace ,S (Shane-Lee)	1	1367.3	942.3	1	1366.3	942.3	0	0	0	0	0	0
7	Nel ,N (Nicolas)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nel ,N (Nicolas)	1	1203.6	1628.6	1	1205.1	1628.6	0	0	0	0	0	0
8	Cameron ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cameron ,N (Noah)	1	1232	807	1	1239	807	0	0	0	0	0	0
9	Adriaanse ,S (Shakiel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Adriaanse ,S (Shakiel)	1	1201.9	776.9	1	1201.1	776.9	0	0	0	0	0	0
10	Prins ,B (Bryston)	1	1	425	1	1	425	0	0	0	0	0	0
10	Prins ,B (Bryston)	1	1191.1	1616.1	1	1188.3	1616.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Lange, Z (Zander)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms