Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, E (Erich)

Chess SA id

1160159686

FIDE id

Date of birth

2016-10-19 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1111	1092.1	1200	1200
Raw rating	1111	1092.1	1200	1200
Weighted rating	1105.9	1085.9	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	188.2	193.4	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 2024-03-01	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 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1111	1092.1	1200	1200
Analysis
Rating	1111	1092.1	1200	1200
Raw rating	1111	1092.1	1200	1200
Weighted rating	1105.9	1085.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	188.2	193.4	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	1111	1092.1	1200	1200
New weighted rating	1106.2	1086.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1111	1092.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1111	1092.1	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	4	4
	5	5
	0	0
	0	0
History	9	9

Games since
	Main 4	Standard 4		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	9	1	11.11	-330.6	1182.6	852
Standard	9	1	11.11	-330.6	1182.6	852
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1111	1092.1	1200	1200
2025-09-30	1111	1092.1	1200	1200
2025-09-01	1111	1092.1	1200	1200
2025-08-01	1111	1092.1	1200	1200
2025-07-01	1111	1092.1	1200	1200
2025-06-01	1111	1092.1	1200	1200
2025-05-01	1111	1092.1	1200	1200
2025-04-01	1111	1092.1	1200	1200
2025-03-01	1111	1092.1	1200	1200
2025-02-01	1111	1092.1	1200	1200
2025-01-01	1094.6	1072.2	1200	1200
2024-12-01	1094.6	1072.2	1200	1200
2024-11-01	1094.6	1072.2	1200	1200
2024-10-01	1094.6	1072.2	1200	1200
2024-09-01	1094.6	1072.2	1200	1200
2024-08-01	1094.6	1072.2	1200	1200
2024-07-01	1094.6	1072.2	1200	1200
2024-09-01	1094.6	1072.2	1200	1200
2024-05-01	1094.6	1072.2	1200	1200
2024-04-01	1094.6	1072.2	1200	1200
2024-03-01	1094.6	1072.2	1200	1200
2024-02-01	1094.6	1072.2	1200	1200
2024-01-01	1160	1151.4	1200	1200
2023-12-01	1160	1151.4	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	2024 Tshwane Chess OPEN Registration Tournament (E)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	2023 Jacaranda Round Robin (U8)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2023 Jacaranda Round Robin				Tournament 2023 Jacaranda Round Robin
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Moggee, E (Emily)				Opponent Moggee, E (Emily)

#	Games	Start				End
1	1	Tournament 2023 Jacaranda Round Robin				Tournament 2023 Jacaranda Round Robin
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Moggee, E (Emily)				Opponent Moggee, E (Emily)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 Jacaranda Round Robin				Tournament 2023 Jacaranda Round Robin
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Moggee, E (Emily)				Opponent Moggee, E (Emily)

#	Games	Start				End
1	1	Tournament 2023 Jacaranda Round Robin				Tournament 2023 Jacaranda Round Robin
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Moggee, E (Emily)				Opponent Moggee, E (Emily)

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	Rizvi ,Z (Zara)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Rizvi ,Z (Zara)	1	1143.3	718.3	1	1144.2	718.3	0	0	0	0	0	0
2	Coetzee ,R (Riko)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Coetzee ,R (Riko)	1	1098.7	673.7	1	1086.4	673.7	0	0	0	0	0	0
3	De Klerk ,A (Amelia)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Klerk ,A (Amelia)	1	1205.4	780.4	1	1205.8	780.4	0	0	0	0	0	0
4	Fourie ,M (Marchant)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Fourie ,M (Marchant)	1	1158	733	1	1153	733	0	0	0	0	0	0
5	Moggee ,E (Emily)	1	1	425	1	1	425	0	0	0	0	0	0
5	Moggee ,E (Emily)	1	1131.6	1556.6	1	1123.3	1556.6	0	0	0	0	0	0
6	Beldon ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Beldon ,D (Daniel)	1	1072.7	647.7	1	1059.6	647.7	0	0	0	0	0	0
7	Wiehahn ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Wiehahn ,L (Luke)	1	1316	891	1	1310.7	891	0	0	0	0	0	0
8	Erdogan ,D (Demir)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Erdogan ,D (Demir)	1	1300.1	875.1	1	1301.9	875.1	0	0	0	0	0	0
9	Erasmus ,H (Henrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Erasmus ,H (Henrich)	1	1217.6	792.6	1	1220	792.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

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PLAYER PAGE

Personal

Du Preez, E (Erich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms