Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobler, E (Erwee)

Chess SA id

105093258

FIDE id

Date of birth

2005-10-21 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1133.4	1088	1156	1200
Raw rating	1133.4	1088	1156	1200
Weighted rating	1127.3	1088	1155.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.3	194.5	176.5	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 2020-01-01	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 2024-12-01	1200 2024-12-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1133.4	1088	1156	1200
Analysis
Rating	1133.4	1088	1156	1200
Raw rating	1133.4	1088	1156	1200
Weighted rating	1127.3	1088	1155.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.3	194.5	176.5	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	1133.4	1088	1156	1200
New weighted rating	1128.6	1088	1155.3	1200
New weighted performance	0	0	0	0
Temp new rating	1133.4	1088	1156	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1133.4	1088	1156	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	4	0	4
	0	0	0
	0	0	0
History	18	9	9

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	14	5	35.71	-121.4	1133.7	1012.3
Standard	5	1	20	-255	913	658
Rapid	9	4	44.44	-47.2	1256.3	1209.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1133.4	1088	1156	1200
2025-09-01	1133.4	1088	1156	1200
2025-08-01	1133.4	1088	1156	1200
2025-07-01	1133.4	1088	1156	1200
2025-06-01	1133.4	1088	1156	1200
2025-05-01	1133.4	1088	1156	1200
2025-04-01	1133.4	1088	1156	1200
2025-03-01	1133.4	1088	1156	1200
2025-02-01	1133.4	1088	1156	1200
2025-01-01	1133.4	1088	1156	1200
2024-12-01	1133.4	1088	1156	1200
2024-11-01	1133.4	1088	1156	1200
2024-10-01	1133.4	1088	1156	1200
2024-09-01	1133.4	1088	1156	1200
2024-08-01	1133.4	1088	1156	1200
2024-07-01	1093	1088	1150	1200
2024-06-01	1093	1088	1150	1200
2024-08-01	1093	1088	1150	1200
2024-04-01	1093	1088	1150	1200
2024-03-01	1093	1088	1150	1200
2024-02-01	1093	1088	1150	1200
2024-01-01	1093	1088	1150	1200
2023-12-01	1093	1088	1150	1200
2023-11-01	1093	1088	1150	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	Bojanala's Clash Of Schools - Secondary 2024 (High School Seniors)	2024-07-27	2024-07-27	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	Bojanala School League 2023 (High School Open)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
3	Laerskool Vastrap 2018 (U14)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Schoeman, J (Juandre)				Opponent Mpongeva, L (Lwandiso)
2	1	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Ntshakaza, N (Njabulo)				Opponent Ntshakaza, N (Njabulo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Matela, T (Thato Judith)				Opponent Matela, T (Thato Judith)

#	Games	Start				End
1	1	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 3	type Standard	result 1
		Opponent Nwadi, FK (Franklin)				Opponent Nwadi, FK (Franklin)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Schoeman, J (Juandre)				Opponent Mpongeva, L (Lwandiso)
2	1	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Ntshakaza, N (Njabulo)				Opponent Ntshakaza, N (Njabulo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Matela, T (Thato Judith)				Opponent Matela, T (Thato Judith)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Schoeman, J (Juandre)				Opponent Mpongeva, L (Lwandiso)
2	1	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Ntshakaza, N (Njabulo)				Opponent Ntshakaza, N (Njabulo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Matela, T (Thato Judith)				Opponent Matela, T (Thato Judith)

#	Games	Start				End
1	1	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 3	type Standard	result 1
		Opponent Nwadi, FK (Franklin)				Opponent Nwadi, FK (Franklin)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Schoeman, J (Juandre)				Opponent Mpongeva, L (Lwandiso)
2	1	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Ntshakaza, N (Njabulo)				Opponent Ntshakaza, N (Njabulo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Matela, T (Thato Judith)				Opponent Matela, T (Thato Judith)

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	Ramokgaba ,RRA (Resego Rene Adney)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ramokgaba ,RRA (Resego Rene Adney)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Tsitsi ,LB (Lesedi Bakang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tsitsi ,LB (Lesedi Bakang)	1	907.6	482.6	1	907.6	482.6	0	0	0	0	0	0
3	Molefi ,MT (Molemo Tshegofatso)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Molefi ,MT (Molemo Tshegofatso)	1	689.4	264.4	1	689.4	264.4	0	0	0	0	0	0
4	Van Staden ,D (Dian)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Staden ,D (Dian)	1	567.8	142.8	1	567.8	142.8	0	0	0	0	0	0
5	Nwadi ,FK (Franklin Kosisochukwu)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nwadi ,FK (Franklin Kosisochukwu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Changara ,A (Adrian Tafara)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Changara ,A (Adrian Tafara)	1	1340.7	915.7	0	0	0	1	1059.2	915.7	0	0	0
7	Schoeman ,J (Juandre)	1	1	425	0	0	0	1	1	425	0	0	0
7	Schoeman ,J (Juandre)	1	1188.4	1613.4	0	0	0	1	1183.4	1613.4	0	0	0
8	Matela ,T (Thato Judith)	1	1	425	0	0	0	1	1	425	0	0	0
8	Matela ,T (Thato Judith)	1	1199.7	1624.7	0	0	0	1	1200	1624.7	0	0	0
9	Motshoane ,K (Koketso)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Motshoane ,K (Koketso)	1	1400	975	0	0	0	1	1168	975	0	0	0
10	Mohau ,F (Foko)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mohau ,F (Foko)	1	1195.4	770.4	0	0	0	1	1200	770.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Grobler, E (Erwee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms