Chess South Africa Ratings Database

PLAYER PAGE

Personal

Greyling, JJ (Jacobus Johannes)

Chess SA id

104011131

FIDE id

Date of birth

2004-05-09 (Adult)

Gender

Male

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	919.7	917	1151	1200
Raw rating	919.7	917	1151	1200
Weighted rating	919.7	917	1149.4	1197.9
Weighted performance	0	0	0	0
Floor	500	500	651	700
K-factor	40	40	40	36
Min/Max rating change allowed	247.2	248.2	177.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	986.8 2018-01-01	986.8 2018-01-01	1151 2024-03-01	1200 2024-03-01
Highest weighted rating	986.8 2024-11-01	986.8 2024-11-01	1151 2024-11-01	1200 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	919.7	917	1151	1200
Analysis
Rating	919.7	917	1151	1200
Raw rating	919.7	917	1151	1200
Weighted rating	919.7	917	1149.4
Weighted performance	0	0	0
K-factor	40	40	40	36
Floor	500	500	651	700
Max/Min rating change allowed	247.2	248.2	177.8	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	919.7	917	1151	1200
New weighted rating	919.7	917	1150.5	1199.3
New weighted performance	0	0	0	0
Temp new rating	919.7	917	1151	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	919.7	917	1151	1200
New K-factor	40	40	40	36
New floor	500	500	651	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	226	219	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Lejweleputswa (FLW)
Province	Free State (FS)
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	5.5	45.83	-35.4	854.3	818.9
Standard	12	5.5	45.83	-35.4	854.3	818.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	919.7	917	1151	1200
2025-09-01	919.7	917	1151	1200
2025-08-01	919.7	917	1151	1200
2025-07-01	919.7	917	1151	1200
2025-06-01	919.7	917	1151	1200
2025-05-01	919.7	917	1151	1200
2025-04-01	919.7	917	1151	1200
2025-03-01	919.7	917	1151	1200
2025-02-01	919.7	917	1151	1200
2025-01-01	919.7	917	1151	1200
2024-12-01	919.7	917	1151	1200
2024-11-01	919.7	917	1151	1200
2024-10-01	919.7	917	1151	1200
2024-09-01	919.7	917	1151	1200
2024-08-01	919.7	917	1151	1200
2024-07-01	919.7	917	1151	1200
2024-06-01	919.7	917	1151	1200
2024-08-01	919.7	917	1151	1200
2024-04-01	919.7	917	1151	1200
2024-03-01	919.7	917	1151	1200
2024-02-01	919.7	917	1151	1200
2024-01-01	919.7	917	1151	1200
2023-12-01	919.7	917	986.8	986.8
2023-11-01	919.7	917	986.8	986.8

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	Lejweleputswa 1st Qualifier 2019 (U16)	2018-10-27	2018-10-27	Standard	Lejweleputswa (FLW)	5	5	2	Yes	Analysis
2	South African Junior Team Championships 2017 (U14E)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-04	rnd 2	type Standard	result 0.5
		Opponent Breedt, O (Owen)				Opponent Coetzee, R (Raynhardt)
2	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-10-27	rnd 5	type Standard	result 1
		Opponent Motsunye, B (Bokang)				Opponent Motsunye, B (Bokang)
3	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 3	type Standard	result 1	date 2018-10-27	rnd 3	type Standard	result 1
		Opponent Els, J (Jacques)				Opponent Els, J (Jacques)

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-04	rnd 2	type Standard	result 0.5
		Opponent Breedt, O (Owen)				Opponent Coetzee, R (Raynhardt)
2	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-10-27	rnd 5	type Standard	result 1
		Opponent Motsunye, B (Bokang)				Opponent Motsunye, B (Bokang)
3	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 3	type Standard	result 1	date 2018-10-27	rnd 3	type Standard	result 1
		Opponent Els, J (Jacques)				Opponent Els, J (Jacques)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-10-27	rnd 5	type Standard	result 1
		Opponent Motsunye, B (Bokang)				Opponent Motsunye, B (Bokang)
2	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 3	type Standard	result 1	date 2018-10-27	rnd 3	type Standard	result 1
		Opponent Els, J (Jacques)				Opponent Els, J (Jacques)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Khoza, T (Thanduxolo)				Opponent Khoza, T (Thanduxolo)

#	Games	Start				End
1	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 5	type Standard	result 1	date 2018-10-27	rnd 5	type Standard	result 1
		Opponent Motsunye, B (Bokang)				Opponent Motsunye, B (Bokang)
2	1	Tournament Lejweleputswa 1st Qualifier 2019				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-10-27	rnd 3	type Standard	result 1	date 2018-10-27	rnd 3	type Standard	result 1
		Opponent Els, J (Jacques)				Opponent Els, J (Jacques)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Khoza, T (Thanduxolo)				Opponent Khoza, T (Thanduxolo)

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	Teleki ,K (Kananelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Teleki ,K (Kananelo)	1	941.9	516.9	1	941.1	516.9	0	0	0	0	0	0
2	Motsunye ,B (Bokang)	1	1	425	1	1	425	0	0	0	0	0	0
2	Motsunye ,B (Bokang)	1	851	1276	1	804.4	1276	0	0	0	0	0	0
3	Breedt ,O (Owen)	1	1	425	1	1	425	0	0	0	0	0	0
3	Breedt ,O (Owen)	1	570.6	995.6	1	570.6	995.6	0	0	0	0	0	0
4	Mathe ,B (Bradley)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mathe ,B (Bradley)	1	727.8	302.8	1	727.8	302.8	0	0	0	0	0	0
5	Coetzee ,R (Raynhardt)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Coetzee ,R (Raynhardt)	1	534.4	534.4	1	534.4	534.4	0	0	0	0	0	0
6	Buitendag ,J (Janco)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Buitendag ,J (Janco)	1	897.3	472.3	1	891.7	472.3	0	0	0	0	0	0
7	Sekhonyane ,T (Tsebo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sekhonyane ,T (Tsebo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Els ,J (Jacques)	1	1	425	1	1	425	0	0	0	0	0	0
8	Els ,J (Jacques)	1	1194.3	1619.3	1	1193.2	1619.3	0	0	0	0	0	0
9	Khoza ,T (Thanduxolo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Khoza ,T (Thanduxolo)	1	500	925	1	500	925	0	0	0	0	0	0
10	Joseph ,C (Christopher)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Joseph ,C (Christopher)	1	977.2	552.2	1	977.2	552.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Greyling, JJ (Jacobus Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms