Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, E (Ethan)

Chess SA id

1040098050

FIDE id

Date of birth

2004-11-24 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-02-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	938.3	914.8	1200	1200
Raw rating	938.3	914.8	1200	1200
Weighted rating	938.3	914.8	1200	1200
Weighted performance	114.1	113.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	240.7	248.9	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	938.3	914.8	1200	1200
Analysis
Rating	938.3	914.8	1200	1200
Raw rating	938.3	914.8	1200	1200
Weighted rating	938.3	914.8	1200
Weighted performance	114.1	113.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	240.7	248.9	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	938.3	914.8	1200	1200
New weighted rating	938.3	914.8	1200	1200
New weighted performance	108	107.5	0	0
Temp new rating	938.3	914.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	938.3	914.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	2	2
	0	0
History	38	38

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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	38	9.5	25	-212.5	1008.1	795.6
Standard	38	9.5	25	-212.5	1008.1	795.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	938.3	914.8	1200	1200
2025-11-30	938.3	914.8	1200	1200
2025-11-01	938.3	914.8	1200	1200
2025-09-30	938.3	914.8	1200	1200
2025-09-01	938.3	914.8	1200	1200
2025-08-01	938.3	914.8	1200	1200
2025-07-01	938.3	914.8	1200	1200
2025-06-01	938.3	914.8	1200	1200
2025-05-01	938.3	914.8	1200	1200
2025-04-01	938.3	914.8	1200	1200
2025-03-01	938.3	914.8	1200	1200
2025-02-01	938.3	914.8	1200	1200
2025-01-01	938.3	914.8	1200	1200
2024-12-01	938.3	914.8	1200	1200
2024-11-01	938.3	914.8	1200	1200
2024-10-01	938.3	914.8	1200	1200
2024-09-01	938.3	914.8	1200	1200
2024-11-01	938.3	914.8	1200	1200
2024-07-01	938.3	914.8	1200	1200
2024-06-01	938.3	914.8	1200	1200
2024-05-01	938.3	914.8	1200	1200
2024-04-01	938.3	914.8	1200	1200
2024-03-01	938.3	914.8	1200	1200
2024-02-01	938.3	914.8	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	West Coast Schools Prestige 2022 (U18 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	2	1	Yes	Analysis
2	Overvaal Chess Open 2019 (C)	2019-06-15	2019-06-15	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
3	Henley Open 2018 (C)	2018-09-08	2018-09-08	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
4	Eureka Chess Open 2018 (F)	2018-09-29	2018-09-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
5	Dr Pieter Hangelbroek Ope 2018 (C)	2018-09-01	2018-09-01	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
6	Broadland`s Knights Chess Open 2018 (C)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
7	Word of Life Open 2018 (C)	2018-05-12	2018-05-12	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
8	Amigo Spur Eligwa Chess Open 2018 (C)	2018-05-19	2018-05-19	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
9	Henley Open 2018 (C)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Henley Open 2018				Tournament Henley Open 2018
		date 2018-09-08	rnd 3	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Weber, KP (Keagan)				Opponent Van Zyl, R (Rico)
2	1	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Petersen, K (Kyle)				Opponent Petersen, K (Kyle)
3	1	Tournament Overvaal Chess Open 2019				Tournament Overvaal Chess Open 2019
		date 2019-06-15	rnd 5	type Standard	result 0.5	date 2019-06-15	rnd 5	type Standard	result 0.5
		Opponent Malefane, P (Praise)				Opponent Malefane, P (Praise)

#	Games	Start				End
1	3	Tournament Henley Open 2018				Tournament Henley Open 2018
		date 2018-09-08	rnd 3	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Weber, KP (Keagan)				Opponent Van Zyl, R (Rico)
2	1	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Petersen, K (Kyle)				Opponent Petersen, K (Kyle)
3	1	Tournament Overvaal Chess Open 2019				Tournament Overvaal Chess Open 2019
		date 2019-06-15	rnd 5	type Standard	result 0.5	date 2019-06-15	rnd 5	type Standard	result 0.5
		Opponent Malefane, P (Praise)				Opponent Malefane, P (Praise)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Petersen, K (Kyle)				Opponent Petersen, K (Kyle)
2	1	Tournament Overvaal Chess Open 2019				Tournament Overvaal Chess Open 2019
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Hanekom, D (Dylan)				Opponent Hanekom, D (Dylan)
3	1	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 4	type Standard	result 1
		Opponent Tshabalala, S (Sarah)				Opponent Tshabalala, S (Sarah)

#	Games	Start				End
1	1	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Petersen, K (Kyle)				Opponent Petersen, K (Kyle)
2	1	Tournament Overvaal Chess Open 2019				Tournament Overvaal Chess Open 2019
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Hanekom, D (Dylan)				Opponent Hanekom, D (Dylan)
3	1	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 4	type Standard	result 1
		Opponent Tshabalala, S (Sarah)				Opponent Tshabalala, S (Sarah)

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	Hansen ,R (Ryan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Hansen ,R (Ryan)	2	934.8	509.8	2	944.2	509.8	0	0	0	0	0	0
2	Van Rhyn ,J (Josh)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Rhyn ,J (Josh)	2	946.4	521.4	2	945.8	521.4	0	0	0	0	0	0
3	Coetzee ,Z (Zahne)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Coetzee ,Z (Zahne)	2	957	532	2	971.4	532	0	0	0	0	0	0
4	Hanekom ,D (Dylan)	2	1	0	2	1	0	0	0	0	0	0	0
4	Hanekom ,D (Dylan)	2	1029.9	1029.9	2	1021.8	1029.9	0	0	0	0	0	0
5	Els ,JA (Jeffrey Allan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Els ,JA (Jeffrey Allan)	1	1113	688	1	1118.8	688	0	0	0	0	0	0
6	Petersen ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Petersen ,K (Kyle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Griesel ,ZC (Zandrie C)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Griesel ,ZC (Zandrie C)	1	702.2	277.2	1	702.2	277.2	0	0	0	0	0	0
8	Reichert ,JP (Johannes Petrus)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Reichert ,JP (Johannes Petrus)	1	1177.1	752.1	1	1172	752.1	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	1063.1	638.1	1	1068.6	638.1	0	0	0	0	0	0
10	Vermeulen ,H (Henrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vermeulen ,H (Henrico)	1	1122.7	697.7	1	1104.8	697.7	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

Diedericks, 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