Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, E (Ethan)

Chess SA id

1120159022

FIDE id

Date of birth

2012-09-07 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1210.1	1200	1218.5	1200
Raw rating	1210.1	1200	1218.5	1200
Weighted rating	1210.1	1200	1218.5	1200
Weighted performance	0	0	0	0
Floor	710.2	700	718.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.4	165.8	161.5	165.8
Highest rating	1248.5 2023-07-01	1200 2018-10-01	1324.8 2023-07-01	1200 2018-10-01
Highest raw rating	1210.2 2024-03-01	1200 2024-03-01	1218.7 2024-03-01	1200 2024-03-01
Highest weighted rating	1210.2 2025-02-01	1200 2018-10-01	1218.7 2025-02-01	1200 2018-10-01
Highest weighted performance	1248.5 2023-07-01	1200 2024-03-01	1324.8 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1210.1	1200	1218.5	1200
Analysis
Rating	1210.1	1200	1218.5	1200
Raw rating	1210.1	1200	1218.5	1200
Weighted rating	1210.1	1200	1218.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710.2	700	718.7	700
Max/Min rating change allowed	163.4	165.8	161.5	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	1210.1	1200	1218.5	1200
New weighted rating	1210.1	1200	1218.5	1200
New weighted performance	0	0	0	0
Temp new rating	1210.1	1200	1218.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1210.1	1200	1218.5	1200
New K-factor	36	36	36	36
New floor	710.2	700	718.7	700

Item	Main	Rapid
	0	0
	6	6
	0	0
	4	4
	0	0
	0	0
History	10	10

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-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	6	2.5	41.67	-70.8	1223.8	1153
Standard	0	0	0	0	0	0
Rapid	6	2.5	41.67	-70.8	1223.8	1153
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1255	1212.5
Standard	0	0	0	0	0	0
Rapid	10	4.5	45	-42.5	1255	1212.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1210.1	1200	1218.5	1200
2025-09-01	1210.1	1200	1218.5	1200
2025-08-01	1210.1	1200	1218.5	1200
2025-07-01	1210.1	1200	1218.5	1200
2025-06-01	1210.1	1200	1218.5	1200
2025-05-01	1210.1	1200	1218.4	1200
2025-04-01	1210	1200	1218.3	1200
2025-03-01	1209.3	1200	1217.1	1200
2025-02-01	1210.2	1200	1218.7	1200
2025-01-01	1210.2	1200	1218.7	1200
2024-12-01	1210.2	1200	1218.7	1200
2024-11-01	1210.2	1200	1218.7	1200
2024-10-01	1210.2	1200	1218.7	1200
2024-09-01	1210.2	1200	1218.7	1200
2024-08-01	1210.2	1200	1218.7	1200
2024-07-01	1210.2	1200	1218.7	1200
2024-06-01	1210.2	1200	1218.7	1200
2024-08-01	1210.2	1200	1218.7	1200
2024-04-01	1210.2	1200	1218.7	1200
2024-03-01	1210.2	1200	1218.7	1200
2024-02-01	1210.2	1200	1218.7	1200
2024-01-01	1210.2	1200	1218.7	1200
2023-12-01	1210.2	1200	1218.7	1200
2023-11-01	1210.2	1200	1218.7	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	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Fortuin, B (Barrett)				Opponent Adams, R (Rafael)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Haas, C (Cazlin)				Opponent Peacock, K (Kiarra)
3	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 1	type Rapid	result 0.5	date 2025-02-15	rnd 1	type Rapid	result 0.5
		Opponent Van Staden, C (Chris)				Opponent Van Staden, C (Chris)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Fortuin, B (Barrett)				Opponent Adams, R (Rafael)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Haas, C (Cazlin)				Opponent Peacock, K (Kiarra)
3	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 1	type Rapid	result 0.5	date 2025-02-15	rnd 1	type Rapid	result 0.5
		Opponent Van Staden, C (Chris)				Opponent Van Staden, C (Chris)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Fortuin, B (Barrett)				Opponent Adams, R (Rafael)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Haas, C (Cazlin)				Opponent Peacock, K (Kiarra)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Fortuin, B (Barrett)				Opponent Adams, R (Rafael)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Haas, C (Cazlin)				Opponent Peacock, K (Kiarra)

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	Peacock ,K (Kiarra)	1	1	425	0	0	0	1	1	425	0	0	0
1	Peacock ,K (Kiarra)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
2	Haas ,C (Cazlin)	1	1	425	0	0	0	1	1	425	0	0	0
2	Haas ,C (Cazlin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Adams ,R (Rafael)	1	1	425	0	0	0	1	1	425	0	0	0
3	Adams ,R (Rafael)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	Fortuin ,B (Barrett)	1	1	425	0	0	0	1	1	425	0	0	0
4	Fortuin ,B (Barrett)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Smith ,L (Luciano)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Smith ,L (Luciano)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Fouche ,B (Ben)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Fouche ,B (Ben)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Van Staden ,C (Chris)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Van Staden ,C (Chris)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
8	Calitz ,S (Steyn)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Calitz ,S (Steyn)	1	1342.8	917.8	0	0	0	1	1365.5	917.8	0	0	0
9	Meder ,T (Tristan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Meder ,T (Tristan)	1	1447	1022	0	0	0	1	1488.6	1022	0	0	0
10	Louw ,L (Lukas)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Louw ,L (Lukas)	1	1359.8	934.8	0	0	0	1	1360.1	934.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Lange, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms