Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dien, J (James)

Chess SA id

1140323168

FIDE id

Date of birth

2014-01-24 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

NAM

Titles

Chess SA registered

Last active game

2025-07-05

Personal details last changed

2025-07-06

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1417.8	1411.6	1475	1426.3
Raw rating	1417.8	1411.6	1475	1426.3
Weighted rating	1269.3	1267.9	1282.5	1271.3
Weighted performance	0	0	0	0
Floor	975	975	975	975
K-factor	32	32	32	32
Min/Max rating change allowed	121.6	122.7	112.1	120.1
Highest rating	1475 2025-07-01	1475 2025-07-01	1475 2025-07-01	1475 2025-07-01
Highest raw rating	1475 2025-07-01	1475 2025-07-01	1475 2025-07-01	1475 2025-07-01
Highest weighted rating	1238.5 2025-08-01	1238 2025-08-01	1243.1 2025-08-01	1239.2 2025-08-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1417.8	1411.6	1475	1426.3
Analysis
Rating	1417.8	1411.6	1475	1426.3
Raw rating	1417.8	1411.6	1475	1426.3
Weighted rating	1269.3	1267.9	1282.5
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	975	975	975	975
Max/Min rating change allowed	121.6	122.7	112.1	120.1
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	1417.8	1411.6	1475	1426.3
New weighted rating	1283.7	1281.8	1300.8	1286.2
New weighted performance	0	0	0	0
Temp new rating	1417.8	1411.6	1475	1426.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1417.8	1411.6	1475	1426.3
New K-factor	32	32	32	32
New floor	975	975	975	975

Item	Main	Standard	Blitz
	0	0	0
	20	11	9
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	20	11	9

Games since
	Main 20	Standard 11		Rapid 0		Blitz 9
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	20	10.5	52.5	21.2	1420	1441.2
Standard	11	5.5	50	0	1313.5	1313.5
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1550.1	1597.3
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	10.5	52.5	21.2	1420	1441.2
Standard	11	5.5	50	0	1313.5	1313.5
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1550.1	1597.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1417.8	1411.6	1475	1426.3
2025-09-01	1417.8	1411.6	1475	1426.3
2025-08-01	1417.8	1411.6	1475	1426.3
2025-07-01	1475	1475	1475	1475
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	5.5	Yes	Analysis
2	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	5.5	Yes	Analysis
2	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-05	rnd 11	type Standard	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Van Der Berg, J (Jay)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent King, J (Jaymie)				Opponent Masoeu, S (Senogo)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 5	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Wilson, J (Jared)				Opponent Wilson, J (Jared)

#	Games	Start				End
1	6	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 0.5	date 2025-07-05	rnd 11	type Standard	result 1
		Opponent Ndawonde, L (Luyanda)				Opponent Van Der Berg, J (Jay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 9	type Blitz	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Opperman, N (Naude)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent King, J (Jaymie)				Opponent Masoeu, S (Senogo)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 5	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Wilson, J (Jared)				Opponent Wilson, J (Jared)

#	Games	Start				End
1	7	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-05	rnd 11	type Standard	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Van Der Berg, J (Jay)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent King, J (Jaymie)				Opponent Masoeu, S (Senogo)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 5	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Wilson, J (Jared)				Opponent Wilson, J (Jared)

#	Games	Start				End
1	5	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Standard	result 1	date 2025-07-05	rnd 11	type Standard	result 1
		Opponent Chidi, J (Junior)				Opponent Van Der Berg, J (Jay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 8	type Blitz	result 1	date 2025-07-02	rnd 9	type Blitz	result 1
		Opponent Mzimela, N (Nkosinathi)				Opponent Opperman, N (Naude)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 2	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent King, J (Jaymie)				Opponent Masoeu, S (Senogo)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 5	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Wilson, J (Jared)				Opponent Wilson, J (Jared)

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	Maphosa ,D (Denlin)	1	1	425	1	1	425	0	0	0	0	0	0
1	Maphosa ,D (Denlin)	1	1283.1	1708.1	1	1280.2	1708.1	0	0	0	0	0	0
2	Ndawonde ,L (Luyanda)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Ndawonde ,L (Luyanda)	1	1205.9	1205.9	1	1209.4	1205.9	0	0	0	0	0	0
3	Sehlalo ,L (Lehlohonolo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sehlalo ,L (Lehlohonolo)	1	1320	1745	1	1327.2	1745	0	0	0	0	0	0
4	Ndhlovu ,T (Thabani)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ndhlovu ,T (Thabani)	1	1325.9	900.9	1	1322.1	900.9	0	0	0	0	0	0
5	Segooa ,MSI (Morakau Sentlhane Isaac)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Segooa ,MSI (Morakau Sentlhane Isaac)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Memeh ,C (Chime)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Memeh ,C (Chime)	1	1763.2	1338.2	1	1783.3	1338.2	0	0	0	0	0	0
7	Tjikana ,K (Kolobe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Tjikana ,K (Kolobe)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Adams ,C (Chezhaan Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Adams ,C (Chezhaan Ethan)	1	1379.6	1804.6	1	1381.5	1804.6	0	0	0	0	0	0
9	Madlanga ,L (Lunga)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Madlanga ,L (Lunga)	1	1240.5	815.5	1	1250.8	815.5	0	0	0	0	0	0
10	Van Der Berg ,J (Jay)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Berg ,J (Jay)	1	1280.3	1705.3	1	1276.9	1705.3	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

Dien, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms