Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Coning, J (Jan Cornelius)

Chess SA id

1100140530

FIDE id

Date of birth

2010-03-27 (U16)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1247.9	1170	1306.7	1200
Raw rating	1247.9	1170	1306.7	1200
Weighted rating	1247.9	1170	1306.7	1200
Weighted performance	925.2	0	0	0
Floor	747.9	700	806.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.9	173.1	142.4	165.8
Highest rating	1289 2023-08-01	1200 2018-10-01	1635 2023-08-01	1200 2018-10-01
Highest raw rating	1247.9 2024-02-01	1200 2020-01-01	1306.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1247.9 2025-08-01	1200 2018-10-01	1306.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1289 2023-08-01	1200 2020-01-01	1635 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1247.9	1170	1306.7	1200
Analysis
Rating	1247.9	1170	1306.7	1200
Raw rating	1247.9	1170	1306.7	1200
Weighted rating	1247.9	1170	1306.7
Weighted performance	925.2	0	0
K-factor	36	36	36	36
Floor	747.9	700	806.7	700
Max/Min rating change allowed	154.9	173.1	142.4	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	1247.9	1170	1306.7	1200
New weighted rating	1247.9	1170	1306.7	1200
New weighted performance	924.8	0	0	0
Temp new rating	1247.9	1170	1306.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247.9	1170	1306.7	1200
New K-factor	36	36	36	36
New floor	747.9	700	806.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	20	10	10
	5	5	0
	0	0	0
History	25	15	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	25	14	56	51	1225.2	1276.2
Standard	15	6	40	-85	1225.2	1140.2
Rapid	10	8	80	255	1225.1	1480.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1247.9	1170	1306.7	1200
2025-09-01	1247.9	1170	1306.7	1200
2025-08-01	1247.9	1170	1306.7	1200
2025-07-01	1247.9	1170	1306.7	1200
2025-06-01	1247.9	1170	1306.7	1200
2025-05-01	1247.9	1170	1306.7	1200
2025-04-01	1247.9	1170	1306.7	1200
2025-03-01	1247.9	1170	1306.7	1200
2025-02-01	1247.9	1170	1306.7	1200
2025-01-01	1247.9	1170	1306.7	1200
2024-12-01	1247.9	1170	1306.7	1200
2024-11-01	1247.9	1170	1306.7	1200
2024-10-01	1247.9	1170	1306.7	1200
2024-09-01	1247.9	1170	1306.7	1200
2024-08-01	1247.9	1170	1306.7	1200
2024-07-01	1247.9	1170	1306.7	1200
2024-06-01	1247.9	1170	1306.7	1200
2024-08-01	1247.9	1170	1306.7	1200
2024-04-01	1247.9	1170	1306.7	1200
2024-03-01	1247.9	1170	1306.7	1200
2024-02-01	1247.9	1170	1306.7	1200
2024-01-01	1247.9	1170	1306.7	1200
2023-12-01	1247.9	1170	1306.7	1200
2023-11-01	1247.9	1170	1306.7	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	Mpumalanga Final 2023 (U13)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Interprimary Finals 2023 (U13)	2023-08-19	2023-08-19	Rapid	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
3	Robbies 2023 (U14)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
4	Penryn Chess Tournament 2023 (U14)	2023-02-11	2023-02-11	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
5	Rob Ferreira Chess Tournament 2022 (U14)	2022-05-07	2022-05-07	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Interprimary Finals 2023				Tournament Interprimary Finals 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Tsabetse, L (Lindelani)				Opponent Mashaba, T (Thato)
2	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Penryn Chess Tournament 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Van Staden, D (Divan)				Opponent Makawa, T (Tabeth)
3	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Khumalo, T (Tatenda)				Opponent Erasmus, C (Carli)

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Penryn Chess Tournament 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Van Staden, D (Divan)				Opponent Makawa, T (Tabeth)
2	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 2	type Standard	result 1	date 2023-05-11	rnd 3	type Standard	result 1
		Opponent Masoka, T (Thobeka)				Opponent Nel, D (Demar)
3	1	Tournament Penryn Chess Tournament 2023				Tournament Penryn Chess Tournament 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 4	type Standard	result 1
		Opponent Macanja, G (Gerson)				Opponent Macanja, G (Gerson)

#	Games	Start				End
1	5	Tournament Interprimary Finals 2023				Tournament Interprimary Finals 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Tsabetse, L (Lindelani)				Opponent Mashaba, T (Thato)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Khumalo, T (Tatenda)				Opponent Erasmus, C (Carli)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Interprimary Finals 2023				Tournament Interprimary Finals 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Tsabetse, L (Lindelani)				Opponent Mashaba, T (Thato)
2	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Penryn Chess Tournament 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Van Staden, D (Divan)				Opponent Makawa, T (Tabeth)
3	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Khumalo, T (Tatenda)				Opponent Erasmus, C (Carli)

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Penryn Chess Tournament 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Van Staden, D (Divan)				Opponent Makawa, T (Tabeth)
2	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 2	type Standard	result 1	date 2023-05-11	rnd 3	type Standard	result 1
		Opponent Masoka, T (Thobeka)				Opponent Nel, D (Demar)
3	1	Tournament Penryn Chess Tournament 2023				Tournament Penryn Chess Tournament 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 4	type Standard	result 1
		Opponent Macanja, G (Gerson)				Opponent Macanja, G (Gerson)

#	Games	Start				End
1	5	Tournament Interprimary Finals 2023				Tournament Interprimary Finals 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Tsabetse, L (Lindelani)				Opponent Mashaba, T (Thato)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Khumalo, T (Tatenda)				Opponent Erasmus, C (Carli)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)

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	Williams ,J (Jody)	2	2	425	0	0	0	2	2	425	0	0	0
1	Williams ,J (Jody)	2	1190.3	1615.3	0	0	0	2	1219.2	1615.3	0	0	0
2	Van Staden ,P (Philip)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Staden ,P (Philip)	1	1216.1	791.1	1	1219.2	791.1	0	0	0	0	0	0
3	Venter ,L (Ludwig)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Venter ,L (Ludwig)	1	1185.6	760.6	1	1182.8	760.6	0	0	0	0	0	0
4	Thobejane ,K (Kgantsho)	1	1	425	1	1	425	0	0	0	0	0	0
4	Thobejane ,K (Kgantsho)	1	1146.5	1571.5	1	1136.8	1571.5	0	0	0	0	0	0
5	Ogunjiofor ,CJ (Chinedu Jeremy)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ogunjiofor ,CJ (Chinedu Jeremy)	1	1328.7	903.7	1	1330.9	903.7	0	0	0	0	0	0
6	Glass ,G (Gift)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Glass ,G (Gift)	1	1497.9	1072.9	1	1497.7	1072.9	0	0	0	0	0	0
7	Makawa ,T (Tabeth)	1	1	425	1	1	425	0	0	0	0	0	0
7	Makawa ,T (Tabeth)	1	1070.4	1495.4	1	1047.2	1495.4	0	0	0	0	0	0
8	Khoza ,N (Nhlamulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Khoza ,N (Nhlamulo)	1	1361	936	1	1362.3	936	0	0	0	0	0	0
9	Myakayaka ,K (Khaya)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Myakayaka ,K (Khaya)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Macanja ,U (Usia)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Macanja ,U (Usia)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

De Coning, J (Jan Cornelius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms