Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jonge, J (Justin)

Chess SA id

1100157448

FIDE id

Date of birth

2010-05-05 (U16)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1121.2	1108	1200	1200
Raw rating	1121.2	1108	1200	1200
Weighted rating	1120	1106.7	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.5	189	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1121.2	1108	1200	1200
Analysis
Rating	1121.2	1108	1200	1200
Raw rating	1121.2	1108	1200	1200
Weighted rating	1120	1106.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.5	189	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	1121.2	1108	1200	1200
New weighted rating	1120.2	1106.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1121.2	1108	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1121.2	1108	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	13	13
	0	0
	0	0
History	13	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Rand (GWR)
Province	Gauteng (GT)
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	13	3	23.08	-228.8	1217.1	988.2
Standard	13	3	23.08	-228.8	1217.1	988.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1121.2	1108	1200	1200
2025-09-01	1121.2	1108	1200	1200
2025-08-01	1121.2	1108	1200	1200
2025-07-01	1121.2	1108	1200	1200
2025-06-01	1121.2	1108	1200	1200
2025-05-01	1121.2	1108	1200	1200
2025-04-01	1121.2	1108	1200	1200
2025-03-01	1121.2	1108	1200	1200
2025-02-01	1121.2	1108	1200	1200
2025-01-01	1118.2	1104.6	1200	1200
2024-12-01	1118.2	1104.6	1200	1200
2024-11-01	1118.2	1104.6	1200	1200
2024-10-01	1118.2	1104.6	1200	1200
2024-09-01	1118.2	1104.6	1200	1200
2024-08-01	1118.2	1104.6	1200	1200
2024-07-01	1118.2	1104.6	1200	1200
2024-06-01	1118.2	1104.6	1200	1200
2024-08-01	1118.2	1104.6	1200	1200
2024-04-01	1118.2	1104.6	1200	1200
2024-03-01	1118.2	1104.6	1200	1200
2024-02-01	1118.2	1104.6	1200	1200
2024-01-01	1118.2	1104.6	1200	1200
2023-12-01	1118.2	1104.6	1200	1200
2023-11-01	1118.2	1104.6	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	2023 West Rand Trials (U14)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
2	D2 School League Finals 2023 (U13)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	3	0	Yes	Analysis
3	2023 West Rand RHS Open (Bishops)	2023-06-10	2023-06-10	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 4	type Standard	result 0.5	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Mokgothu, T (Tlhalefang)				Opponent Chauke, S (Sbusiso)
2	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 5	type Standard	result 0.5	date 2023-06-10	rnd 5	type Standard	result 0.5
		Opponent Mc Carthy, C (Caden)				Opponent Mc Carthy, C (Caden)
3	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Fourie, C (Caitlin)				Opponent Fourie, C (Caitlin)

#	Games	Start				End
1	2	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 4	type Standard	result 0.5	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Mokgothu, T (Tlhalefang)				Opponent Chauke, S (Sbusiso)
2	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 5	type Standard	result 0.5	date 2023-06-10	rnd 5	type Standard	result 0.5
		Opponent Mc Carthy, C (Caden)				Opponent Mc Carthy, C (Caden)
3	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Fourie, C (Caitlin)				Opponent Fourie, C (Caitlin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 5	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Chauke, S (Sbusiso)				Opponent Chauke, S (Sbusiso)
2	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Fourie, C (Caitlin)				Opponent Fourie, C (Caitlin)

#	Games	Start				End
1	1	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 5	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Chauke, S (Sbusiso)				Opponent Chauke, S (Sbusiso)
2	1	Tournament 2023 West Rand RHS Open				Tournament 2023 West Rand RHS Open
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Fourie, C (Caitlin)				Opponent Fourie, C (Caitlin)

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	Mc Carthy ,C (Caden)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Mc Carthy ,C (Caden)	2	1200.6	988.1	2	1201.1	988.1	0	0	0	0	0	0
2	Mamashela ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mamashela ,L (Lethabo)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Pikini ,K (Kungawo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pikini ,K (Kungawo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Modipane ,T (Thapelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Modipane ,T (Thapelo)	1	1213.7	788.7	1	1215.8	788.7	0	0	0	0	0	0
5	Croukamp ,M (Mikayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Croukamp ,M (Mikayla)	1	1289.7	864.7	1	1284	864.7	0	0	0	0	0	0
6	Chauke ,S (Sbusiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Chauke ,S (Sbusiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mokgothu ,T (Tlhalefang)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mokgothu ,T (Tlhalefang)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Mmuso ,G (Gopolang)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mmuso ,G (Gopolang)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Barnard ,A (Anjanka)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Barnard ,A (Anjanka)	1	1279	854	1	1274.8	854	0	0	0	0	0	0
10	De Wet ,K (Kai)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	De Wet ,K (Kai)	1	1267.4	842.4	1	1270.4	842.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

De Jonge, J (Justin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms