Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Coning, J (Juan)

Chess SA id

1070101676

FIDE id

Date of birth

2007-12-12 (U20)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1129.4	1123.5	1200	1200
Raw rating	1129.4	1123.5	1200	1200
Weighted rating	1129.3	1123.4	1200	1200
Weighted performance	597.4	596.5	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.4	184.9	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	1129.4	1123.5	1200	1200
Analysis
Rating	1129.4	1123.5	1200	1200
Raw rating	1129.4	1123.5	1200	1200
Weighted rating	1129.3	1123.4	1200
Weighted performance	597.4	596.5	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	183.4	184.9	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	1129.4	1123.5	1200	1200
New weighted rating	1129.3	1123.4	1200	1200
New weighted performance	597.1	596.1	0	0
Temp new rating	1129.4	1123.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1129.4	1123.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	4	4
	10	10
	0	0
History	38	38

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	38	18.5	48.68	-11.2	1105.3	1094.1
Standard	38	18.5	48.68	-11.2	1105.3	1094.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1129.4	1123.5	1200	1200
2025-09-01	1129.4	1123.5	1200	1200
2025-08-01	1129.4	1123.5	1200	1200
2025-07-01	1129.4	1123.5	1200	1200
2025-06-01	1129.4	1123.5	1200	1200
2025-05-01	1129.4	1123.5	1200	1200
2025-04-01	1129.4	1123.5	1200	1200
2025-03-01	1129.4	1123.5	1200	1200
2025-02-01	1129.4	1123.5	1200	1200
2025-01-01	1129.1	1123.2	1200	1200
2024-12-01	1129.1	1123.2	1200	1200
2024-11-01	1129.1	1123.2	1200	1200
2024-10-01	1129.1	1123.2	1200	1200
2024-09-01	1129.1	1123.2	1200	1200
2024-08-01	1129.1	1123.2	1200	1200
2024-07-01	1129.1	1123.2	1200	1200
2024-06-01	1129.1	1123.2	1200	1200
2024-08-01	1129.1	1123.2	1200	1200
2024-04-01	1129.1	1123.2	1200	1200
2024-03-01	1129.1	1123.2	1200	1200
2024-02-01	1129.1	1123.2	1200	1200
2024-01-01	1129.1	1123.2	1200	1200
2023-12-01	1129.1	1123.2	1200	1200
2023-11-01	1129.1	1123.2	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	Robbies 2023 (U20)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	4	1	Yes	Analysis
2	Lydenburg Chess Club 2022 (U16)	2022-04-09	2022-04-09	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
3	Uplands Chess Tournament 2022 (U16)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
4	Barberton Primary 2019 (U14)	2019-07-27	2019-07-27	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
5	Rob Ferreira 2019 (C)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
6	Uplands Open Age 2019 (U14)	2019-03-09	2019-03-09	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
7	Malelane Primary 2018 (U12 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
8	Curro Age Open 2018 (U12 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 1	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Dorfling, J (Joshua)				Opponent Summers, D (Daniel)
2	3	Tournament Malelane Primary 2018				Tournament Malelane Primary 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 5	type Standard	result 1
		Opponent Mashaba, K (Khaya)				Opponent Knott, T (Thyren)
3	2	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 3	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Banaganye, T (Thattoetse)				Opponent Rasivhetshela, S (Shandu)

#	Games	Start				End
1	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 1	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Dorfling, J (Joshua)				Opponent Summers, D (Daniel)
2	3	Tournament Malelane Primary 2018				Tournament Malelane Primary 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 5	type Standard	result 1
		Opponent Mashaba, K (Khaya)				Opponent Knott, T (Thyren)
3	2	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 3	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Banaganye, T (Thattoetse)				Opponent Rasivhetshela, S (Shandu)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 1	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Dorfling, J (Joshua)				Opponent Summers, D (Daniel)
2	3	Tournament Malelane Primary 2018				Tournament Malelane Primary 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 5	type Standard	result 1
		Opponent Mashaba, K (Khaya)				Opponent Knott, T (Thyren)
3	2	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 3	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Banaganye, T (Thattoetse)				Opponent Rasivhetshela, S (Shandu)

#	Games	Start				End
1	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 1	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Dorfling, J (Joshua)				Opponent Summers, D (Daniel)
2	3	Tournament Malelane Primary 2018				Tournament Malelane Primary 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 5	type Standard	result 1
		Opponent Mashaba, K (Khaya)				Opponent Knott, T (Thyren)
3	2	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 3	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Banaganye, T (Thattoetse)				Opponent Rasivhetshela, S (Shandu)

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	Rasivhetshela ,S (Shandu)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Rasivhetshela ,S (Shandu)	3	1161.1	1019.4	3	1157.6	1019.4	0	0	0	0	0	0
2	Dorfling ,J (Joshua)	2	2	425	2	2	425	0	0	0	0	0	0
2	Dorfling ,J (Joshua)	2	1173.8	1598.8	2	1168	1598.8	0	0	0	0	0	0
3	Cooper ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Cooper ,N (Nathan)	2	1271.8	846.8	2	1270.2	846.8	0	0	0	0	0	0
4	Pilani ,G (Gregory)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pilani ,G (Gregory)	1	1164	739	1	1156.4	739	0	0	0	0	0	0
5	Summers ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Summers ,D (Daniel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Naude ,A (Annicka)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Naude ,A (Annicka)	1	1128.8	703.8	1	1122.6	703.8	0	0	0	0	0	0
7	Khoza ,S (Sihle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Khoza ,S (Sihle)	1	1160.4	1585.4	1	1152.4	1585.4	0	0	0	0	0	0
8	Wessels ,W (Willie)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Wessels ,W (Willie)	1	766.8	341.8	1	814.4	341.8	0	0	0	0	0	0
9	Knott ,T (Thyren)	1	1	425	1	1	425	0	0	0	0	0	0
9	Knott ,T (Thyren)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	De Koker ,N (Nicolene)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	De Koker ,N (Nicolene)	1	724.8	299.8	1	764.8	299.8	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 (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms