Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, J (Johannes)

Chess SA id

1080112284

FIDE id

Date of birth

2008-06-06 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1096.1	1158.8	1080	1200
Raw rating	1096.1	1158.8	1080	1200
Weighted rating	1096.1	1158.8	1080	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	192.3	175.8	196.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	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 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1096.1	1158.8	1080	1200
Analysis
Rating	1096.1	1158.8	1080	1200
Raw rating	1096.1	1158.8	1080	1200
Weighted rating	1096.1	1158.8	1080
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	192.3	175.8	196.7	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	1096.1	1158.8	1080	1200
New weighted rating	1096.1	1158.8	1080	1200
New weighted performance	0	0	0	0
Temp new rating	1096.1	1158.8	1080	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1096.1	1158.8	1080	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	11	5	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	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	11	1.5	13.64	-309.1	1186.1	877
Standard	5	1.5	30	-170	1145.8	975.8
Rapid	6	0	0	-425	1219.6	794.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1096.1	1158.8	1080	1200
2025-09-01	1096.1	1158.8	1080	1200
2025-08-01	1096.1	1158.8	1080	1200
2025-07-01	1096.1	1158.8	1080	1200
2025-06-01	1096.1	1158.8	1080	1200
2025-05-01	1096.1	1158.8	1080	1200
2025-04-01	1096.1	1158.8	1080	1200
2025-03-01	1096.1	1158.8	1080	1200
2025-02-01	1096.1	1158.8	1080	1200
2025-01-01	1096.1	1158.8	1080	1200
2024-12-01	1096.1	1158.8	1080	1200
2024-11-01	1096.1	1158.8	1080	1200
2024-10-01	1096.1	1158.8	1080	1200
2024-09-01	1096.1	1158.8	1080	1200
2024-08-01	1096.1	1158.8	1080	1200
2024-07-01	1096.1	1158.8	1080	1200
2024-06-01	1096.1	1158.8	1080	1200
2024-08-01	1096.1	1158.8	1080	1200
2024-04-01	1096.1	1158.8	1080	1200
2024-03-01	1096.1	1158.8	1080	1200
2024-02-01	1096.1	1158.8	1080	1200
2024-01-01	1096.1	1158.8	1080	1200
2023-12-01	1096.1	1158.8	1080	1200
2023-11-01	1096.1	1158.8	1080	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	Cape Winelands Schools Trials 1 2020 (U13 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	0	Yes	Analysis
2	Cape Winelands Open 2019 (U12)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Fortuin, R (Rene)				Opponent Fortuin, R (Rene)
2	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 2	type Standard	result 0.5	date 2019-04-27	rnd 2	type Standard	result 0.5
		Opponent Goeieman, R (Roslin)				Opponent Goeieman, R (Roslin)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Fortuin, R (Rene)				Opponent Fortuin, R (Rene)
2	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 2	type Standard	result 0.5	date 2019-04-27	rnd 2	type Standard	result 0.5
		Opponent Goeieman, R (Roslin)				Opponent Goeieman, R (Roslin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Fortuin, R (Rene)				Opponent Fortuin, R (Rene)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2019				Tournament Cape Winelands Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Fortuin, R (Rene)				Opponent Fortuin, R (Rene)

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	Van Zyl ,L (Louis)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Zyl ,L (Louis)	1	1150.1	725.1	1	1151.9	725.1	0	0	0	0	0	0
2	Goeieman ,R (Roslin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Goeieman ,R (Roslin)	1	1138.1	1138.1	1	1200	1138.1	0	0	0	0	0	0
3	Hill ,MT (Morgan Taylor)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hill ,MT (Morgan Taylor)	1	1147	722	1	1194	722	0	0	0	0	0	0
4	Fortuin ,R (Rene)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fortuin ,R (Rene)	1	1138.1	1563.1	1	1200	1563.1	0	0	0	0	0	0
5	Engelbrecht ,J (Jane)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Engelbrecht ,J (Jane)	1	1155.5	730.5	1	1191.4	730.5	0	0	0	0	0	0
6	Neethling ,A (Adrien)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Neethling ,A (Adrien)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Small ,I (Ilando)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Small ,I (Ilando)	1	1168.6	743.6	0	0	0	1	1146	743.6	0	0	0
8	Davids ,R (Rafael)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Davids ,R (Rafael)	1	1388.5	963.5	0	0	0	1	1325.2	963.5	0	0	0
9	Pekeur ,Z (Zahr)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Pekeur ,Z (Zahr)	1	1158.1	733.1	0	0	0	1	1122.4	733.1	0	0	0
10	Cupido ,M (Monrico)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Cupido ,M (Monrico)	1	1202.6	777.6	0	0	0	1	1194.8	777.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Du Preez, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms