Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, J (Josua)

Chess SA id

1160161722

FIDE id

Date of birth

2016-12-21 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1129.5	1123.9	1184.6	1200
Raw rating	1129.5	1123.9	1184.6	1200
Weighted rating	1124.6	1118.1	1184.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.3	184.8	169.5	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 2019-12-01	1200 2024-03-01
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 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1129.5	1123.9	1184.6	1200
Analysis
Rating	1129.5	1123.9	1184.6	1200
Raw rating	1129.5	1123.9	1184.6	1200
Weighted rating	1124.6	1118.1	1184.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	183.3	184.8	169.5	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	1129.5	1123.9	1184.6	1200
New weighted rating	1124.7	1118.2	1184.2	1200
New weighted performance	0	0	0	0
Temp new rating	1129.5	1123.9	1184.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1129.5	1123.9	1184.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

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

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	20	5.5	27.5	-191.2	1210.7	1019.4
Standard	15	3.5	23.33	-226.7	1214.3	987.6
Rapid	5	2	40	-85	1200	1115
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1129.5	1123.9	1184.6	1200
2025-09-30	1129.5	1123.9	1184.6	1200
2025-09-01	1129.5	1123.9	1184.6	1200
2025-08-01	1129.5	1123.9	1184.6	1200
2025-07-01	1129.5	1123.9	1184.6	1200
2025-06-01	1129.5	1123.9	1184.6	1200
2025-05-01	1129.5	1123.9	1184.6	1200
2025-04-01	1129.5	1123.9	1184.6	1200
2025-03-01	1129.5	1123.9	1184.6	1200
2025-02-01	1128.9	1123.1	1184.6	1200
2025-01-01	1100.2	1089.4	1183.4	1200
2024-12-01	1100.2	1089.4	1183.4	1200
2024-11-01	1100.2	1089.4	1183.4	1200
2024-10-01	1100.2	1089.4	1183.4	1200
2024-09-01	1100.2	1089.4	1183.4	1200
2024-08-01	1100.2	1089.4	1183.4	1200
2024-07-01	1138.4	1134.8	1183.4	1200
2024-09-01	1138.4	1134.8	1183.4	1200
2024-05-01	1138.4	1134.8	1183.4	1200
2024-04-01	1153	1152.1	1183.4	1200
2024-03-01	1153	1152.1	1183.4	1200
2024-02-01	1153	1152.1	1183.4	1200
2024-01-01	1153	1152.1	1183.4	1200
2023-12-01	1153	1152.1	1183.4	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	Menlopark Open Chess Tournament 2024 (U10)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	2024 Silver Lakes Open Chess Tournament (E)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
3	Lardies Open Tournament 2023 (F)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
4	2023 U8 Open Chess Tournament	2023-09-02	2023-09-02	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 5	type Standard	result 0.5	date 2024-07-13	rnd 5	type Standard	result 0.5
		Opponent Westermann, Z (Zelri)				Opponent Westermann, Z (Zelri)
2	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 3	type Standard	result 0.5	date 2024-07-13	rnd 3	type Standard	result 0.5
		Opponent Louw, J (Jean)				Opponent Louw, J (Jean)
3	1	Tournament 2024 Silver Lakes Open Chess Tournament				Tournament 2024 Silver Lakes Open Chess Tournament
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-04-20	rnd 5	type Standard	result 1
		Opponent Du Plooy, J (Jean - Mari)				Opponent Du Plooy, J (Jean - Mari)

#	Games	Start				End
1	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 5	type Standard	result 0.5	date 2024-07-13	rnd 5	type Standard	result 0.5
		Opponent Westermann, Z (Zelri)				Opponent Westermann, Z (Zelri)
2	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 3	type Standard	result 0.5	date 2024-07-13	rnd 3	type Standard	result 0.5
		Opponent Louw, J (Jean)				Opponent Louw, J (Jean)
3	1	Tournament 2024 Silver Lakes Open Chess Tournament				Tournament 2024 Silver Lakes Open Chess Tournament
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-04-20	rnd 5	type Standard	result 1
		Opponent Du Plooy, J (Jean - Mari)				Opponent Du Plooy, J (Jean - Mari)

#	Games	Start				End
1	1	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Rossouw, A (Amberle)				Opponent Rossouw, A (Amberle)
2	1	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Rossouw, L (Leanne)				Opponent Rossouw, L (Leanne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2024 Silver Lakes Open Chess Tournament				Tournament 2024 Silver Lakes Open Chess Tournament
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-04-20	rnd 5	type Standard	result 1
		Opponent Du Plooy, J (Jean - Mari)				Opponent Du Plooy, J (Jean - Mari)
2	1	Tournament Lardies Open Tournament 2023				Tournament Lardies Open Tournament 2023
		date 2023-10-28	rnd 5	type Standard	result 1	date 2023-10-28	rnd 5	type Standard	result 1
		Opponent Pistorius, A (Amberley-Rose)				Opponent Pistorius, A (Amberley-Rose)
3	1	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Rossouw, A (Amberle)				Opponent Rossouw, A (Amberle)

#	Games	Start				End
1	1	Tournament 2024 Silver Lakes Open Chess Tournament				Tournament 2024 Silver Lakes Open Chess Tournament
		date 2024-04-20	rnd 5	type Standard	result 1	date 2024-04-20	rnd 5	type Standard	result 1
		Opponent Du Plooy, J (Jean - Mari)				Opponent Du Plooy, J (Jean - Mari)
2	1	Tournament Lardies Open Tournament 2023				Tournament Lardies Open Tournament 2023
		date 2023-10-28	rnd 5	type Standard	result 1	date 2023-10-28	rnd 5	type Standard	result 1
		Opponent Pistorius, A (Amberley-Rose)				Opponent Pistorius, A (Amberley-Rose)

#	Games	Start				End
1	1	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Rossouw, A (Amberle)				Opponent Rossouw, A (Amberle)
2	1	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Rossouw, L (Leanne)				Opponent Rossouw, L (Leanne)

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	Pistorius ,A (Amberley-Rose)	2	1	0	2	1	0	0	0	0	0	0	0
1	Pistorius ,A (Amberley-Rose)	2	1123.9	1123.9	2	1119	1123.9	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	1322.7	897.7	1	1327.3	897.7	0	0	0	0	0	0
3	Van Der Merwe ,D (Duvan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Der Merwe ,D (Duvan)	1	1246.1	821.1	1	1253.1	821.1	0	0	0	0	0	0
4	Du Plooy ,J (Jean - Mari)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Plooy ,J (Jean - Mari)	1	1226.6	1651.6	1	1231.3	1651.6	0	0	0	0	0	0
5	Swart ,E (Eben)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Swart ,E (Eben)	1	1230.1	805.1	1	1195.3	805.1	0	0	0	0	0	0
6	Vounatsos ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vounatsos ,L (Levi)	1	1222.1	797.1	1	1224.9	797.1	0	0	0	0	0	0
7	Li ,J (Jiming)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Li ,J (Jiming)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Westermann ,Z (Zelri)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Westermann ,Z (Zelri)	1	1194.3	1194.3	1	1192.9	1194.3	0	0	0	0	0	0
9	Coetzee ,J (Juan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Coetzee ,J (Juan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Zhang ,Y (Yufeng)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Zhang ,Y (Yufeng)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Lange, J (Josua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms