Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hofmeyr, J (Jonah)

Chess SA id

1080099820

FIDE id

Date of birth

2008-01-10 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-05-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1080.7	1067.6	1200	1200
Raw rating	1080.7	1067.6	1200	1200
Weighted rating	1080.7	1067.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	196.5	200.2	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	1080.7	1067.6	1200	1200
Analysis
Rating	1080.7	1067.6	1200	1200
Raw rating	1080.7	1067.6	1200	1200
Weighted rating	1080.7	1067.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	196.5	200.2	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	1080.7	1067.6	1200	1200
New weighted rating	1080.7	1067.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1080.7	1067.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1080.7	1067.6	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
	0	0
	5	5
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	15	4	26.67	-198.3	1106	907.7
Standard	15	4	26.67	-198.3	1106	907.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1080.7	1067.6	1200	1200
2025-09-30	1080.7	1067.6	1200	1200
2025-09-01	1080.7	1067.6	1200	1200
2025-08-01	1080.7	1067.6	1200	1200
2025-07-01	1080.7	1067.6	1200	1200
2025-06-01	1080.7	1067.6	1200	1200
2025-05-01	1080.7	1067.6	1200	1200
2025-04-01	1080.7	1067.6	1200	1200
2025-03-01	1080.7	1067.6	1200	1200
2025-02-01	1080.7	1067.6	1200	1200
2025-01-01	1080.7	1067.6	1200	1200
2024-12-01	1080.7	1067.6	1200	1200
2024-11-01	1080.7	1067.6	1200	1200
2024-10-01	1080.7	1067.6	1200	1200
2024-09-01	1080.7	1067.6	1200	1200
2024-08-01	1080.7	1067.6	1200	1200
2024-07-01	1080.7	1067.6	1200	1200
2024-09-01	1080.7	1067.6	1200	1200
2024-05-01	1080.7	1067.6	1200	1200
2024-04-01	1080.7	1067.6	1200	1200
2024-03-01	1080.7	1067.6	1200	1200
2024-02-01	1080.7	1067.6	1200	1200
2024-01-01	1080.7	1067.6	1200	1200
2023-12-01	1080.7	1067.6	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	Gen Intercampus 2021 (U14)	2021-05-22	2021-05-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
2	OCF Roadshow 2020 (Juniors)	2020-11-21	2020-11-21	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
3	Overberg Schools Closed 2018 (U11 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 4	type Standard	result 1	date 2021-05-22	rnd 5	type Standard	result 1
		Opponent Human, E (Edzard)				Opponent Amar, J (James)
2	1	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 2	type Standard	result 1	date 2021-05-22	rnd 2	type Standard	result 1
		Opponent Rush, D (Daniel)				Opponent Rush, D (Daniel)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 1	type Standard	result 1
		Opponent Pekeur, A (Aiden)				Opponent Pekeur, A (Aiden)

#	Games	Start				End
1	2	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 4	type Standard	result 1	date 2021-05-22	rnd 5	type Standard	result 1
		Opponent Human, E (Edzard)				Opponent Amar, J (James)
2	1	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 2	type Standard	result 1	date 2021-05-22	rnd 2	type Standard	result 1
		Opponent Rush, D (Daniel)				Opponent Rush, D (Daniel)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 1	type Standard	result 1
		Opponent Pekeur, A (Aiden)				Opponent Pekeur, A (Aiden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 4	type Standard	result 1	date 2021-05-22	rnd 5	type Standard	result 1
		Opponent Human, E (Edzard)				Opponent Amar, J (James)
2	1	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 2	type Standard	result 1	date 2021-05-22	rnd 2	type Standard	result 1
		Opponent Rush, D (Daniel)				Opponent Rush, D (Daniel)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 1	type Standard	result 1
		Opponent Pekeur, A (Aiden)				Opponent Pekeur, A (Aiden)

#	Games	Start				End
1	2	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 4	type Standard	result 1	date 2021-05-22	rnd 5	type Standard	result 1
		Opponent Human, E (Edzard)				Opponent Amar, J (James)
2	1	Tournament Gen Intercampus 2021				Tournament Gen Intercampus 2021
		date 2021-05-22	rnd 2	type Standard	result 1	date 2021-05-22	rnd 2	type Standard	result 1
		Opponent Rush, D (Daniel)				Opponent Rush, D (Daniel)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 1	type Standard	result 1
		Opponent Pekeur, A (Aiden)				Opponent Pekeur, A (Aiden)

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	Mouton ,JP (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mouton ,JP (Jean)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Amar ,J (James)	1	1	425	1	1	425	0	0	0	0	0	0
2	Amar ,J (James)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Waldeck ,S (Stanvil)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Waldeck ,S (Stanvil)	1	1250.7	825.7	1	1252.9	825.7	0	0	0	0	0	0
4	Johnson ,G (Gabriella)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Johnson ,G (Gabriella)	1	1112	687	1	1100.8	687	0	0	0	0	0	0
5	Human ,E (Edzard)	1	1	425	1	1	425	0	0	0	0	0	0
5	Human ,E (Edzard)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Koen ,I (Ian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Koen ,I (Ian)	1	763	338	1	763	338	0	0	0	0	0	0
7	Mayezana ,A (Amila)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mayezana ,A (Amila)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Rush ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Rush ,D (Daniel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Duminy ,L (Luc)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Duminy ,L (Luc)	1	592.8	167.8	1	592.8	167.8	0	0	0	0	0	0
10	Taylor ,F (Finlay)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Taylor ,F (Finlay)	1	781.7	356.7	1	797.2	356.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Hofmeyr, J (Jonah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms