Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonas, E (Ethan)

Chess SA id

103050565

FIDE id

Date of birth

2003-03-11 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1167.3	1164	1200	1200
Raw rating	1167.3	1164	1200	1200
Weighted rating	1167.3	1164	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.7	174.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	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 2018-10-01	1200 2018-10-01	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	1167.3	1164	1200	1200
Analysis
Rating	1167.3	1164	1200	1200
Raw rating	1167.3	1164	1200	1200
Weighted rating	1167.3	1164	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.7	174.5	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	1167.3	1164	1200	1200
New weighted rating	1167.3	1164	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1167.3	1164	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1167.3	1164	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	11	6	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	6	2	33.33	-141.7	1208.3	1066.7
Standard	6	2	33.33	-141.7	1208.3	1066.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1167.3	1164	1200	1200
2025-09-01	1167.3	1164	1200	1200
2025-08-01	1167.3	1164	1200	1200
2025-07-01	1167.3	1164	1200	1200
2025-06-01	1167.3	1164	1200	1200
2025-05-01	1167.3	1164	1200	1200
2025-04-01	1167.3	1164	1200	1200
2025-03-01	1167.3	1164	1200	1200
2025-02-01	1167.3	1164	1200	1200
2025-01-01	1167.3	1164	1200	1200
2024-12-01	1167.3	1164	1200	1200
2024-11-01	1167.3	1164	1200	1200
2024-10-01	1167.3	1164	1200	1200
2024-09-01	1167.3	1164	1200	1200
2024-08-01	1167.3	1164	1200	1200
2024-07-01	1167.3	1164	1200	1200
2024-06-01	1167.3	1164	1200	1200
2024-08-01	1167.3	1164	1200	1200
2024-04-01	1167.3	1164	1200	1200
2024-03-01	1167.3	1164	1200	1200
2024-02-01	1167.3	1164	1200	1200
2024-01-01	1167.3	1164	1200	1200
2023-12-01	1167.3	1164	1200	1200
2023-11-01	1167.3	1164	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	2020 NMBCU Chess Trials 2 2020 (U18)	2020-03-07	2020-03-07	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
2	PE Chess Club Open 2019 (B)	2019-10-11	2019-10-13	Standard	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 NMBCU Chess Trials 2 2020
		date 2020-03-07	rnd 2	type Standard	result 0.5	date 2020-03-07	rnd 4	type Standard	result 0.5
		Opponent Hewu, M (Mihlali)				Opponent Gatsi, H (Hlumelo)

#	Games	Start				End
1	3	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 NMBCU Chess Trials 2 2020
		date 2020-03-07	rnd 2	type Standard	result 0.5	date 2020-03-07	rnd 4	type Standard	result 0.5
		Opponent Hewu, M (Mihlali)				Opponent Gatsi, H (Hlumelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 NMBCU Chess Trials 2 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, N (Nigel)				Opponent Bezuidenhout, N (Nigel)

#	Games	Start				End
1	1	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 NMBCU Chess Trials 2 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, N (Nigel)				Opponent Bezuidenhout, N (Nigel)

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	Bezuidenhout ,N (Nigel)	1	1	425	1	1	425	0	0	0	0	0	0
1	Bezuidenhout ,N (Nigel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Gouws ,C (Corne)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Gouws ,C (Corne)	1	1176.5	751.5	1	1177.1	751.5	0	0	0	0	0	0
3	Gatsi ,H (Hlumelo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Gatsi ,H (Hlumelo)	1	1144.6	1144.6	1	1133.6	1144.6	0	0	0	0	0	0
4	Peter ,M (Mnico)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Peter ,M (Mnico)	1	1339.5	914.5	1	1323.5	914.5	0	0	0	0	0	0
5	Hewu ,M (Mihlali)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Hewu ,M (Mihlali)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Louis ,C (Caitlyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Louis ,C (Caitlyn)	1	1189.4	764.4	1	1214	764.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Jonas, 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