Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, E (Earl)

Chess SA id

1910147792

FIDE id

Date of birth

1991-06-13 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-11-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.3	1300	1218.9	1185.2
Raw rating	1278.3	1300	1218.9	1185.2
Weighted rating	1277.7	1299	1218.6	1185.2
Weighted performance	0	0	0	0
Floor	778.3	800	718.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.3	143.8	161.4	169.3
Highest rating	1278.3 2024-02-01	1300 2024-02-01	1218.9 2024-02-01	1200 2018-10-01
Highest raw rating	1278.3 2024-02-01	1300 2024-02-01	1218.9 2024-02-01	1200 2020-01-01
Highest weighted rating	1276.2 2025-08-01	1296.7 2025-08-01	1217.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1221.7 2022-10-01	1200 2024-02-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1278.3	1300	1218.9	1185.2
Analysis
Rating	1278.3	1300	1218.9	1185.2
Raw rating	1278.3	1300	1218.9	1185.2
Weighted rating	1277.7	1299	1218.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	778.3	800	718.9	700
Max/Min rating change allowed	148.3	143.8	161.4	169.3
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	1278.3	1300	1218.9	1185.2
New weighted rating	1278.1	1299.7	1218.8	1185.2
New weighted performance	0	0	0	0
Temp new rating	1278.3	1300	1218.9	1185.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1278.3	1300	1218.9	1185.2
New K-factor	36	36	36	36
New floor	778.3	800	718.9	700

Item	Main	Rapid	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	12	5	7
	0	0	0
History	12	5	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	12	6	50	0	1297	1297
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1315.5	1230.5
Blitz	7	4	57.14	60.7	1283.8	1344.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1278.3	1300	1218.9	1185.2
2025-09-01	1278.3	1300	1218.9	1185.2
2025-08-01	1278.3	1300	1218.9	1185.2
2025-07-01	1278.3	1300	1218.9	1185.2
2025-06-01	1278.3	1300	1218.9	1185.2
2025-05-01	1278.3	1300	1218.9	1185.2
2025-04-01	1278.3	1300	1218.9	1185.2
2025-03-01	1278.3	1300	1218.9	1185.2
2025-02-01	1278.3	1300	1218.9	1185.2
2025-01-01	1278.3	1300	1218.9	1185.2
2024-12-01	1278.3	1300	1218.9	1185.2
2024-11-01	1278.3	1300	1218.9	1185.2
2024-10-01	1278.3	1300	1218.9	1185.2
2024-09-01	1278.3	1300	1218.9	1185.2
2024-08-01	1278.3	1300	1218.9	1185.2
2024-07-01	1278.3	1300	1218.9	1185.2
2024-06-01	1278.3	1300	1218.9	1185.2
2024-08-01	1278.3	1300	1218.9	1185.2
2024-04-01	1278.3	1300	1218.9	1185.2
2024-03-01	1278.3	1300	1218.9	1185.2
2024-02-01	1278.3	1300	1218.9	1185.2
2024-01-01	1278.3	1300	1218.9	1185.2
2023-12-01	1214.6	1200	1184.4	1185.2
2023-11-01	1214.6	1200	1184.4	1185.2

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	CPH Chess Clubs Challenge 2022 (B)	2022-11-12	2022-11-12	Rapid	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
2	Chessheroes Bazaar Blitz 2022	2022-10-29	2022-10-29	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-10-29	rnd 7	type Blitz	result 1	date 2022-11-12	rnd 1	type Rapid	result 1
		Opponent Gouws, D (Duan)				Opponent Brannon, AL (Andrew)
2	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Seitshiro, O (Omatla)				Opponent Morake, O (Orefile)
3	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2022-11-12	rnd 5	type Rapid	result 1
		Opponent Kobe, S (Sive)				Opponent Kobe, S (Sive)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2022-11-12	rnd 5	type Rapid	result 1
		Opponent Kobe, S (Sive)				Opponent Kobe, S (Sive)
2	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 1	type Rapid	result 1	date 2022-11-12	rnd 1	type Rapid	result 1
		Opponent Brannon, AL (Andrew)				Opponent Brannon, AL (Andrew)

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Seitshiro, O (Omatla)				Opponent Morake, O (Orefile)
2	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 7	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Gouws, D (Duan)
3	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 5	type Blitz	result 1	date 2022-10-29	rnd 5	type Blitz	result 1
		Opponent Lin, W (Weihao)				Opponent Lin, W (Weihao)

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-10-29	rnd 7	type Blitz	result 1	date 2022-11-12	rnd 1	type Rapid	result 1
		Opponent Gouws, D (Duan)				Opponent Brannon, AL (Andrew)
2	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Seitshiro, O (Omatla)				Opponent Morake, O (Orefile)
3	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2022-11-12	rnd 5	type Rapid	result 1
		Opponent Kobe, S (Sive)				Opponent Kobe, S (Sive)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2022-11-12	rnd 5	type Rapid	result 1
		Opponent Kobe, S (Sive)				Opponent Kobe, S (Sive)
2	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 1	type Rapid	result 1	date 2022-11-12	rnd 1	type Rapid	result 1
		Opponent Brannon, AL (Andrew)				Opponent Brannon, AL (Andrew)

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Seitshiro, O (Omatla)				Opponent Morake, O (Orefile)
2	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 7	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Gouws, D (Duan)
3	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 5	type Blitz	result 1	date 2022-10-29	rnd 5	type Blitz	result 1
		Opponent Lin, W (Weihao)				Opponent Lin, W (Weihao)

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	Kobe ,S (Sive)	1	1	425	0	0	0	1	1	425	0	0	0
1	Kobe ,S (Sive)	1	1189	1614	0	0	0	1	1189	1614	0	0	0
2	Masuku ,N (Nkosinathi)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Masuku ,N (Nkosinathi)	1	1260.1	835.1	0	0	0	1	1245.7	835.1	0	0	0
3	Brannon ,AL (Andrew Lindsay)	1	1	425	0	0	0	1	1	425	0	0	0
3	Brannon ,AL (Andrew Lindsay)	1	1347.5	1772.5	0	0	0	1	1200	1772.5	0	0	0
4	Jaitas ,K (Kittisak)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Jaitas ,K (Kittisak)	1	1507.3	1082.3	0	0	0	1	1221.6	1082.3	0	0	0
5	Nyathi ,R (Romeo)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Nyathi ,R (Romeo)	1	1273.4	848.4	0	0	0	1	1200	848.4	0	0	0
6	Gouws ,D (Duan)	1	1	425	0	0	0	0	0	0	1	1	425
6	Gouws ,D (Duan)	1	1183.9	1608.9	0	0	0	0	0	0	1	1200	1608.9
7	Lin ,W (Weihao)	1	1	425	0	0	0	0	0	0	1	1	425
7	Lin ,W (Weihao)	1	1300.7	1725.7	0	0	0	0	0	0	1	1200	1725.7
8	Morake ,R (Remoratile)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Morake ,R (Remoratile)	1	1185.1	760.1	0	0	0	0	0	0	1	512.4	760.1
9	D`Alton ,E (Ezra)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	D`Alton ,E (Ezra)	1	1261.8	836.8	0	0	0	0	0	0	1	1200	836.8
10	Seitshiro ,O (Omatla)	1	1	425	0	0	0	0	0	0	1	1	425
10	Seitshiro ,O (Omatla)	1	1241.8	1666.8	0	0	0	0	0	0	1	1200	1666.8

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Groenewald, E (Earl)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms