Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, W (Willem)

Chess SA id

1110159198

FIDE id

Date of birth

2011-04-19 (U16)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1223.1	1168.6	1272	1200
Raw rating	1223.1	1168.6	1272	1200
Weighted rating	1223.1	1168	1272	1200
Weighted performance	0	0	0	0
Floor	723.1	700	772	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.4	173.4	149.6	165.8
Highest rating	1293.3 2023-08-01	1200 2018-10-01	1485.3 2023-08-01	1200 2018-10-01
Highest raw rating	1223.1 2024-03-01	1200 2019-12-01	1272 2024-03-01	1200 2024-03-01
Highest weighted rating	1223.1 2025-07-01	1200 2018-10-01	1272 2025-07-01	1200 2018-10-01
Highest weighted performance	1293.3 2023-08-01	1200 2019-12-01	1485.3 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1223.1	1168.6	1272	1200
Analysis
Rating	1223.1	1168.6	1272	1200
Raw rating	1223.1	1168.6	1272	1200
Weighted rating	1223.1	1168	1272
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	723.1	700	772	700
Max/Min rating change allowed	160.4	173.4	149.6	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	1223.1	1168.6	1272	1200
New weighted rating	1223.1	1168.1	1272	1200
New weighted performance	0	0	0	0
Temp new rating	1223.1	1168.6	1272	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1223.1	1168.6	1272	1200
New K-factor	36	36	36	36
New floor	723.1	700	772	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	4	6
	0	0	0
	0	0	0
History	10	4	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	6	60	85	1227.3	1312.3
Standard	4	1	25	-212.5	1266.4	1053.9
Rapid	6	5	83.33	283.3	1201.2	1484.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1223.1	1168.6	1272	1200
2025-09-30	1223.1	1168.6	1272	1200
2025-09-01	1223.1	1168.6	1272	1200
2025-08-01	1223.1	1168.6	1272	1200
2025-07-01	1223.1	1168.6	1272	1200
2025-06-01	1223.1	1168.6	1272	1200
2025-05-01	1223.1	1168.6	1272	1200
2025-04-01	1223.1	1168.6	1272	1200
2025-03-01	1223.1	1168.6	1272	1200
2025-02-01	1223.1	1168.6	1272	1200
2025-01-01	1223.1	1166.9	1272	1200
2024-12-01	1223.1	1166.9	1272	1200
2024-11-01	1223.1	1166.9	1272	1200
2024-10-01	1223.1	1166.9	1272	1200
2024-09-01	1223.1	1166.9	1272	1200
2024-08-01	1223.1	1166.9	1272	1200
2024-07-01	1223.1	1166.9	1272	1200
2024-09-01	1223.1	1166.9	1272	1200
2024-05-01	1223.1	1166.9	1272	1200
2024-04-01	1223.1	1166.9	1272	1200
2024-03-01	1223.1	1166.9	1272	1200
2024-02-01	1223.1	1166.9	1272	1200
2024-01-01	1223.1	1166.9	1272	1200
2023-12-01	1223.1	1166.9	1272	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	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Interprimary 2023 (U13)	2023-08-05	2023-08-05	Rapid	Ehlanzeni (MEN)	7	6	5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Siduli, B (Bahle)				Opponent Thobela, K (Khayalethu)
2	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 7	type Rapid	result 1	date 2023-08-05	rnd 7	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)
3	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ess, N (Noah)				Opponent Ess, N (Noah)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ess, N (Noah)				Opponent Ess, N (Noah)

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Siduli, B (Bahle)				Opponent Thobela, K (Khayalethu)
2	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 7	type Rapid	result 1	date 2023-08-05	rnd 7	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Siduli, B (Bahle)				Opponent Thobela, K (Khayalethu)
2	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 7	type Rapid	result 1	date 2023-08-05	rnd 7	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)
3	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ess, N (Noah)				Opponent Ess, N (Noah)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Ess, N (Noah)				Opponent Ess, N (Noah)

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Siduli, B (Bahle)				Opponent Thobela, K (Khayalethu)
2	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 7	type Rapid	result 1	date 2023-08-05	rnd 7	type Rapid	result 1
		Opponent Williams, J (Jody)				Opponent Williams, J (Jody)

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	Kudiyarov ,M (Maxim)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kudiyarov ,M (Maxim)	1	1412.6	987.6	1	1361.8	987.6	0	0	0	0	0	0
2	Du Plessis ,J (Jan-Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plessis ,J (Jan-Dawid)	1	1309.6	884.6	1	1246.6	884.6	0	0	0	0	0	0
3	Botha ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Botha ,E (Emily)	1	1171	746	1	1129.6	746	0	0	0	0	0	0
4	Ess ,N (Noah)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ess ,N (Noah)	1	1172.4	1597.4	1	1132	1597.4	0	0	0	0	0	0
5	Siduli ,B (Bahle)	1	1	425	0	0	0	1	1	425	0	0	0
5	Siduli ,B (Bahle)	1	1155.2	1580.2	0	0	0	1	1200	1580.2	0	0	0
6	Cassim ,F (Fayaaz)	1	1	425	0	0	0	1	1	425	0	0	0
6	Cassim ,F (Fayaaz)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Nkosi ,N (Ntsakiso)	1	1	425	0	0	0	1	1	425	0	0	0
7	Nkosi ,N (Ntsakiso)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Saldanha ,N (Noah)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Saldanha ,N (Noah)	1	1336.9	911.9	0	0	0	1	1200	911.9	0	0	0
9	Williams ,J (Jody)	1	1	425	0	0	0	1	1	425	0	0	0
9	Williams ,J (Jody)	1	1172.1	1597.1	0	0	0	1	1200	1597.1	0	0	0
10	Thobela ,K (Khayalethu)	1	1	425	0	0	0	1	1	425	0	0	0
10	Thobela ,K (Khayalethu)	1	1142.9	1567.9	0	0	0	1	1200	1567.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Rooyen, W (Willem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms