Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, W (Wessel)

Chess SA id

100086567

FIDE id

Date of birth

2000-02-12 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1076	1140	731	731
Raw rating	1076	1140	731	731
Weighted rating	1075.9	1139.3	731	731
Weighted performance	135.5	135.3	0	0
Floor	579.6	640	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	197.9	180.6	323.5	323.5
Highest rating	1216.8 2018-05-01	1221 2018-05-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1079.6 2018-09-01	1140 2024-03-01	731 2024-03-01	731 2024-03-01
Highest weighted rating	1079.6 2024-11-01	1140 2024-11-01	731 2024-11-01	731 2024-11-01
Highest weighted performance	1216.8 2018-05-01	1221 2018-05-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1076	1140	731	731
Analysis
Rating	1076	1140	731	731
Raw rating	1076	1140	731	731
Weighted rating	1075.9	1139.3	731
Weighted performance	135.5	135.3	0
K-factor	40	40	40	40
Floor	579.6	640	500	500
Max/Min rating change allowed	197.9	180.6	323.5	323.5
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	1076	1140	731	731
New weighted rating	1076	1139.8	731	731
New weighted performance	135.1	134.9	0	0
Temp new rating	1076	1140	731	731
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1076	1140	731	731
New K-factor	40	40	40	40
New floor	579.6	640	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	78	78

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	41	18.5	45.12	-41.5	1162.1	1120.6
Standard	41	18.5	45.12	-41.5	1162.1	1120.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1076	1140	731	731
2025-09-01	1076	1140	731	731
2025-08-01	1076	1140	731	731
2025-07-01	1076	1140	731	731
2025-06-01	1076	1140	731	731
2025-05-01	1076	1140	731	731
2025-04-01	1076	1140	731	731
2025-03-01	1076	1140	731	731
2025-02-01	1076	1140	731	731
2025-01-01	1076	1140	731	731
2024-12-01	1076	1140	731	731
2024-11-01	1076	1140	731	731
2024-10-01	1076	1140	731	731
2024-09-01	1076	1140	731	731
2024-08-01	1076	1140	731	731
2024-07-01	1076	1140	731	731
2024-06-01	1076	1140	731	731
2024-08-01	1076	1140	731	731
2024-04-01	1076	1140	731	731
2024-03-01	1076	1140	731	731
2024-02-01	1076	1140	731	731
2024-01-01	1076	1140	731	731
2023-12-01	1065.6	1064.7	731	731
2023-11-01	1065.6	1064.7	731	731

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	South African Junior Team Championships 2018 (U20A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	0.5	Yes	Analysis
2	Bojanala Regionals 2018 (U18+U20)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	Laerskool Brits Tournament 2018 (U20+Open)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	4	0.5	Yes	Analysis
4	Ho�rskool Frikkie Meyer 2018 (A)	2018-07-21	2018-07-21	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
5	Laerskool Proteapark Chess 2018 (B)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
6	Laerskool Olienpark 2018 (Open)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
7	Laerskool Rustenburg 2018 (B)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
8	Hoerskool Brits 2018 (U18+Open)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Guneliev, AA (Andrey)				Opponent Mokale, K (Galatetsang)
2	4	Tournament Laerskool Olienpark 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-04-21	rnd 4	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Van Zyl, D (Daniel)				Opponent Van Zyl, D (Daniel)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Van Der Walt, JHT (Jean Hendrik T)				Opponent Naude, N (Nia)

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Guneliev, AA (Andrey)				Opponent Mokale, K (Galatetsang)
2	4	Tournament Laerskool Olienpark 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-04-21	rnd 4	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Van Zyl, D (Daniel)				Opponent Van Zyl, D (Daniel)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Van Der Walt, JHT (Jean Hendrik T)				Opponent Naude, N (Nia)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Guneliev, AA (Andrey)				Opponent Mokale, K (Galatetsang)
2	4	Tournament Laerskool Olienpark 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-04-21	rnd 4	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Van Zyl, D (Daniel)				Opponent Van Zyl, D (Daniel)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Van Der Walt, JHT (Jean Hendrik T)				Opponent Naude, N (Nia)

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Guneliev, AA (Andrey)				Opponent Mokale, K (Galatetsang)
2	4	Tournament Laerskool Olienpark 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-04-21	rnd 4	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Van Zyl, D (Daniel)				Opponent Van Zyl, D (Daniel)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Van Der Walt, JHT (Jean Hendrik T)				Opponent Naude, N (Nia)

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	Janse Van Vuuren ,AJ (Aj)	4	2	0	4	2	0	0	0	0	0	0	0
1	Janse Van Vuuren ,AJ (Aj)	4	891.9	891.9	4	909	891.9	0	0	0	0	0	0
2	Van Der Walt ,JHT (Jean Hendrik T)	2	2	425	2	2	425	0	0	0	0	0	0
2	Van Der Walt ,JHT (Jean Hendrik T)	2	888.1	1313.1	2	889.2	1313.1	0	0	0	0	0	0
3	Van Zyl ,D (Daniel)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Zyl ,D (Daniel)	2	1163.5	1588.5	2	1157	1588.5	0	0	0	0	0	0
4	Loots ,E (Eric)	2	1	0	2	1	0	0	0	0	0	0	0
4	Loots ,E (Eric)	2	1113.3	1113.3	2	1111.2	1113.3	0	0	0	0	0	0
5	Lefyedi ,T (Thatego)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Lefyedi ,T (Thatego)	2	1305.1	880.1	2	1310.3	880.1	0	0	0	0	0	0
6	Guneliev ,AA (Andrey Antonov)	2	2	425	2	2	425	0	0	0	0	0	0
6	Guneliev ,AA (Andrey Antonov)	2	780.9	1205.9	2	804	1205.9	0	0	0	0	0	0
7	Matshego ,T (Thato)	1	1	425	1	1	425	0	0	0	0	0	0
7	Matshego ,T (Thato)	1	765.7	1190.7	1	796	1190.7	0	0	0	0	0	0
8	Louw ,D (Deon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Louw ,D (Deon)	1	1226.5	801.5	1	1217.2	801.5	0	0	0	0	0	0
9	Nkwe ,O (Omogolo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nkwe ,O (Omogolo)	1	1615	1190	1	1622.8	1190	0	0	0	0	0	0
10	Esterhuizen ,WJ (Willem Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Esterhuizen ,WJ (Willem Johannes)	1	1060.8	635.8	1	1062.9	635.8	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

Du Preez, W (Wessel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms