Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, J (Jordan)

Chess SA id

1080133113

FIDE id

Date of birth

2008-02-25 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1213.9	1215.5	1200	1200
Raw rating	1213.9	1215.5	1200	1200
Weighted rating	1201.7	1199.5	1200	1200
Weighted performance	0	0	0	0
Floor	713.9	715.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.6	162.2	165.8	165.8
Highest rating	1223.7 2020-03-01	1215.5 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1213.9 2025-09-01	1215.5 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1203.7 2024-02-01	1201.6 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1223.7 2020-03-01	1214.4 2020-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1213.9	1215.5	1200	1200
Analysis
Rating	1213.9	1215.5	1200	1200
Raw rating	1213.9	1215.5	1200	1200
Weighted rating	1201.7	1199.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	713.9	715.5	700	700
Max/Min rating change allowed	162.6	162.2	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	1213.9	1215.5	1200	1200
New weighted rating	1202.7	1200.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1213.9	1215.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1213.9	1215.5	1200	1200
New K-factor	36	36	36	36
New floor	713.9	715.5	700	700

Item	Main	Standard
	0	0
	4	4
	5	5
	0	0
	0	0
	0	0
History	16	16

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
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	4	2	50	0	1288.3	1288.3
Standard	4	2	50	0	1288.3	1288.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	7	43.75	-53.1	1256.4	1203.3
Standard	16	7	43.75	-53.1	1256.4	1203.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1213.9	1215.5	1200	1200
2025-09-30	1213.9	1215.5	1200	1200
2025-09-01	1213.9	1215.5	1200	1200
2025-08-01	1199	1195.9	1200	1200
2025-07-01	1199	1195.9	1200	1200
2025-06-01	1199	1195.9	1200	1200
2025-05-01	1199	1195.9	1200	1200
2025-04-01	1199	1195.9	1200	1200
2025-03-01	1199	1195.9	1200	1200
2025-02-01	1198.2	1195	1200	1200
2025-01-01	1185.5	1179.6	1200	1200
2024-12-01	1185.5	1179.6	1200	1200
2024-11-01	1185.5	1179.6	1200	1200
2024-10-01	1203.7	1201.6	1200	1200
2024-09-01	1203.7	1201.6	1200	1200
2024-08-01	1203.7	1201.6	1200	1200
2024-07-01	1203.7	1201.6	1200	1200
2024-09-01	1203.7	1201.6	1200	1200
2024-05-01	1203.7	1201.6	1200	1200
2024-04-01	1203.7	1201.6	1200	1200
2024-03-01	1203.7	1201.6	1200	1200
2024-02-01	1203.7	1201.6	1200	1200
2024-01-01	1203.7	1201.6	1200	1200
2023-12-01	1203.7	1201.6	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	GDE (D7) Sedibeng East Schools 2025 (U17)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U17)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
2	Heidelberg Open 05 October 2024 (A+B)	2024-10-05	2024-10-05	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
3	Heidelberg Klub Round Robin 2020 (E)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2020				Tournament Heidelberg Klub Round Robin 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, C (Chrissie)				Opponent Karvounis, A (Andonis)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Siba, O (Owam Lethabo Unam)				Opponent Siba, O (Owam Lethabo Unam)
3	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Mokoena, K (Katleho)

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2020				Tournament Heidelberg Klub Round Robin 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, C (Chrissie)				Opponent Karvounis, A (Andonis)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Siba, O (Owam Lethabo Unam)				Opponent Siba, O (Owam Lethabo Unam)
3	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Mokoena, K (Katleho)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2020				Tournament Heidelberg Klub Round Robin 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, C (Chrissie)				Opponent Karvounis, A (Andonis)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Siba, O (Owam Lethabo Unam)				Opponent Siba, O (Owam Lethabo Unam)
3	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Mokoena, K (Katleho)

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2020				Tournament Heidelberg Klub Round Robin 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, C (Chrissie)				Opponent Karvounis, A (Andonis)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Siba, O (Owam Lethabo Unam)				Opponent Siba, O (Owam Lethabo Unam)
3	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Mokoena, K (Katleho)

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	Conradie ,D (Dirk)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Conradie ,D (Dirk)	1	1758.9	1333.9	1	1757.6	1333.9	0	0	0	0	0	0
2	Siba ,O (Owam Lethabo Unam)	1	1	425	1	1	425	0	0	0	0	0	0
2	Siba ,O (Owam Lethabo Unam)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0
3	Moloto ,K (Kwezi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Moloto ,K (Kwezi)	1	1166.1	1591.1	1	1160	1591.1	0	0	0	0	0	0
4	Karvounis ,A (Andonis)	1	1	425	1	1	425	0	0	0	0	0	0
4	Karvounis ,A (Andonis)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Shongwe ,S (Sihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Shongwe ,S (Sihle)	1	1164.8	739.8	1	1154	739.8	0	0	0	0	0	0
6	Fritz ,GPJ (Georg)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fritz ,GPJ (Georg)	1	1312.5	887.5	1	1309.4	887.5	0	0	0	0	0	0
7	Lochner ,T (Tobie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lochner ,T (Tobie)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Maseloane ,T (Tshepang)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Maseloane ,T (Tshepang)	1	1449.2	1024.2	1	1451.9	1024.2	0	0	0	0	0	0
9	Human ,PMB (Petrus Marthinus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Human ,PMB (Petrus Marthinus)	1	1408.6	983.6	1	1406.6	983.6	0	0	0	0	0	0
10	Steyn ,M (Michelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Steyn ,M (Michelle)	1	1304.2	879.2	1	1327	879.2	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

Du Preez, J (Jordan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms