Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ewerts, R (Roberto)

Chess SA id

100048786

FIDE id

Date of birth

2000-07-09 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-03-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	874.2	880.4	838	838
Raw rating	874.2	880.4	838	838
Weighted rating	874.2	880.4	838	838
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	263.8	261.4	277.7	277.7
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	874.2 2024-03-01	880.4 2024-03-01	838 2024-03-01	838 2024-03-01
Highest weighted rating	874.2 2024-11-01	880.4 2024-11-01	838 2024-11-01	838 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	874.2	880.4	838	838
Analysis
Rating	874.2	880.4	838	838
Raw rating	874.2	880.4	838	838
Weighted rating	874.2	880.4	838
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	263.8	261.4	277.7	277.7
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	874.2	880.4	838	838
New weighted rating	874.2	880.4	838	838
New weighted performance	0	0	0	0
Temp new rating	874.2	880.4	838	838
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	874.2	880.4	838	838
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	24	24

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
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	5	2.5	50	0	1018.9	1018.9
Standard	5	2.5	50	0	1018.9	1018.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	874.2	880.4	838	838
2025-09-01	874.2	880.4	838	838
2025-08-01	874.2	880.4	838	838
2025-07-01	874.2	880.4	838	838
2025-06-01	874.2	880.4	838	838
2025-05-01	874.2	880.4	838	838
2025-04-01	874.2	880.4	838	838
2025-03-01	874.2	880.4	838	838
2025-02-01	874.2	880.4	838	838
2025-01-01	874.2	880.4	838	838
2024-12-01	874.2	880.4	838	838
2024-11-01	874.2	880.4	838	838
2024-10-01	874.2	880.4	838	838
2024-09-01	874.2	880.4	838	838
2024-08-01	874.2	880.4	838	838
2024-07-01	874.2	880.4	838	838
2024-06-01	874.2	880.4	838	838
2024-08-01	874.2	880.4	838	838
2024-04-01	874.2	880.4	838	838
2024-03-01	874.2	880.4	838	838
2024-02-01	874.2	880.4	838	838
2024-01-01	874.2	880.4	838	838
2023-12-01	874.2	880.4	838	838
2023-11-01	874.2	880.4	838	838

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	EDENSC Closed 3 2018 (U20 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	0	0	No	Analysis
2	EDENSC Closed 2 2018 (U20 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	0	0	No	Analysis
3	EDENSC Closed 1 2018 (U20)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Beukes, K (Keenan)				Opponent Huisamen, M (Mario)
2	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 5	type Standard	result 0.5	date 2018-03-10	rnd 5	type Standard	result 0.5
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Beukes, K (Keenan)				Opponent Huisamen, M (Mario)
2	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 5	type Standard	result 0.5	date 2018-03-10	rnd 5	type Standard	result 0.5
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Beukes, K (Keenan)				Opponent Huisamen, M (Mario)

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Beukes, K (Keenan)				Opponent Huisamen, M (Mario)

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	Huisamen ,M (Mario)	1	1	425	1	1	425	0	0	0	0	0	0
1	Huisamen ,M (Mario)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Noemdo ,M (Mardan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Noemdo ,M (Mardan)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Beukes ,K (Keenan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Beukes ,K (Keenan)	1	1039.4	1464.4	1	1008.8	1464.4	0	0	0	0	0	0
4	Witbooi ,J (Jo-Wayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Witbooi ,J (Jo-Wayne)	1	992	567	1	992	567	0	0	0	0	0	0
5	Plaatjies ,S (Shaamilah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Plaatjies ,S (Shaamilah)	1	663	663	1	663	663	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

Ewerts, R (Roberto)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms