Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, J (Jonathan)

Chess SA id

1080105180

FIDE id

Date of birth

2008-01-08 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1184.7	1183.2	1200	1200
Raw rating	1184.7	1183.2	1200	1200
Weighted rating	1184.7	1183.2	1200	1200
Weighted performance	0	0	0	0
Floor	733.9	740.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.5	169.8	165.8	165.8
Highest rating	1374.4 2018-08-01	1373.6 2018-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1233.9 2018-09-01	1240.8 2018-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1233.9 2019-05-01	1240.8 2019-05-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1374.4 2018-08-01	1373.6 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1184.7	1183.2	1200	1200
Analysis
Rating	1184.7	1183.2	1200	1200
Raw rating	1184.7	1183.2	1200	1200
Weighted rating	1184.7	1183.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	733.9	740.8	700	700
Max/Min rating change allowed	169.5	169.8	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	1184.7	1183.2	1200	1200
New weighted rating	1184.7	1183.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1184.7	1183.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1184.7	1183.2	1200	1200
New K-factor	36	36	36	36
New floor	733.9	740.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	7	7
	0	0
History	16	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	16	7.5	46.88	-26.6	1178.7	1152.1
Standard	16	7.5	46.88	-26.6	1178.7	1152.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1184.7	1183.2	1200	1200
2025-09-01	1184.7	1183.2	1200	1200
2025-08-01	1184.7	1183.2	1200	1200
2025-07-01	1184.7	1183.2	1200	1200
2025-06-01	1184.7	1183.2	1200	1200
2025-05-01	1184.7	1183.2	1200	1200
2025-04-01	1184.7	1183.2	1200	1200
2025-03-01	1184.7	1183.2	1200	1200
2025-02-01	1184.7	1183.2	1200	1200
2025-01-01	1184.7	1183.2	1200	1200
2024-12-01	1184.7	1183.2	1200	1200
2024-11-01	1184.7	1183.2	1200	1200
2024-10-01	1184.7	1183.2	1200	1200
2024-09-01	1184.7	1183.2	1200	1200
2024-08-01	1184.7	1183.2	1200	1200
2024-07-01	1184.7	1183.2	1200	1200
2024-06-01	1184.7	1183.2	1200	1200
2024-08-01	1184.7	1183.2	1200	1200
2024-04-01	1184.7	1183.2	1200	1200
2024-03-01	1184.7	1183.2	1200	1200
2024-02-01	1184.7	1183.2	1200	1200
2024-01-01	1184.7	1183.2	1200	1200
2023-12-01	1184.7	1183.2	1200	1200
2023-11-01	1184.7	1183.2	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	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
2	2022 Gauteng Schools Individual Chess Championship (U15 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	3	0	Yes	Analysis
3	2019 Gauteng Primary Schools Individual Chess Championships (U11 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
4	D5 Primary Schools Teams 2018 (U11)	2018-08-17	2018-08-18	Standard	Ekurhuleni (GE)	6	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 4	type Standard	result 1
		Opponent Tsita, T (Tumelo)				Opponent Falakahla, S (Sbusiso)
2	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-18	rnd 4	type Standard	result 1	date 2018-08-18	rnd 6	type Standard	result 0.5
		Opponent Mnisi, K (Khanyisile)				Opponent Joseph, B (Brooklyn)
3	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-17	rnd 2	type Standard	result 1
		Opponent Simpson, C (Chloe)				Opponent Lopez, C (Cay-Lee)

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 4	type Standard	result 1
		Opponent Tsita, T (Tumelo)				Opponent Falakahla, S (Sbusiso)
2	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-18	rnd 4	type Standard	result 1	date 2018-08-18	rnd 6	type Standard	result 0.5
		Opponent Mnisi, K (Khanyisile)				Opponent Joseph, B (Brooklyn)
3	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-17	rnd 2	type Standard	result 1
		Opponent Simpson, C (Chloe)				Opponent Lopez, C (Cay-Lee)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 4	type Standard	result 1
		Opponent Tsita, T (Tumelo)				Opponent Falakahla, S (Sbusiso)
2	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-17	rnd 2	type Standard	result 1
		Opponent Simpson, C (Chloe)				Opponent Lopez, C (Cay-Lee)
3	1	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 Gauteng Primary Schools Individual Chess Championships
		date 2019-05-25	rnd 4	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Potgieter, Z (Zander)				Opponent Potgieter, Z (Zander)

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 4	type Standard	result 1
		Opponent Tsita, T (Tumelo)				Opponent Falakahla, S (Sbusiso)
2	2	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-17	rnd 2	type Standard	result 1
		Opponent Simpson, C (Chloe)				Opponent Lopez, C (Cay-Lee)
3	1	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 Gauteng Primary Schools Individual Chess Championships
		date 2019-05-25	rnd 4	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Potgieter, Z (Zander)				Opponent Potgieter, Z (Zander)

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	Tshatsheka ,J (Junior)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Tshatsheka ,J (Junior)	1	1264.8	839.8	1	1272.9	839.8	0	0	0	0	0	0
2	Makoni ,T (Tasimba Donovan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Makoni ,T (Tasimba Donovan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Joseph ,B (Brooklyn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Joseph ,B (Brooklyn)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Mahlangu ,N (Ntando)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mahlangu ,N (Ntando)	1	1203	778	1	1201.6	778	0	0	0	0	0	0
5	Taljaard ,ZI (Zhaar Ivan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Taljaard ,ZI (Zhaar Ivan)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Mtimkulu ,L (Lerato)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mtimkulu ,L (Lerato)	1	1253.1	828.1	1	1248.2	828.1	0	0	0	0	0	0
7	Lopez ,C (Cay-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lopez ,C (Cay-Lee)	1	1182.1	1607.1	1	1178.4	1607.1	0	0	0	0	0	0
8	Mnisi ,K (Khanyisile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mnisi ,K (Khanyisile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ngwane ,N (Ndabenhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ngwane ,N (Ndabenhle)	1	1242.9	817.9	1	1251.8	817.9	0	0	0	0	0	0
10	Simpson ,C (Chloe)	1	1	425	1	1	425	0	0	0	0	0	0
10	Simpson ,C (Chloe)	1	1200	1625	1	1200	1625	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

Diedericks, J (Jonathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms