Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, D (Dean-Lee)

Chess SA id

1120192560

FIDE id

Date of birth

2012-08-28 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1243.6	1227.2	1237.3	1200
Raw rating	1243.6	1227.2	1237.3	1200
Weighted rating	1218	1213.3	1217.8	1200
Weighted performance	0	0	0	0
Floor	743.6	727.2	737.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.8	159.5	157.2	165.8
Highest rating	1243.6 2025-04-01	1227.2 2025-04-01	1318.6 2024-02-01	1200 2024-02-01
Highest raw rating	1243.6 2025-04-01	1227.2 2025-04-01	1237.3 2025-03-01	1200 2024-02-01
Highest weighted rating	1243.6 2024-03-01	1210 2025-08-01	1237.3 2024-03-01	1200 2024-02-01
Highest weighted performance	1224.7 2024-02-01	1200 2024-02-01	1318.6 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1243.6	1227.2	1237.3	1200
Analysis
Rating	1243.6	1227.2	1237.3	1200
Raw rating	1243.6	1227.2	1237.3	1200
Weighted rating	1218	1213.3	1217.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	743.6	727.2	737.3	700
Max/Min rating change allowed	155.8	159.5	157.2	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	1243.6	1227.2	1237.3	1200
New weighted rating	1220.8	1214.9	1220	1200
New weighted performance	0	0	0	0
Temp new rating	1243.6	1227.2	1237.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1243.6	1227.2	1237.3	1200
New K-factor	36	36	36	36
New floor	743.6	727.2	737.3	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	8	0	8
	0	0	0
	0	0	0
	0	0	0
History	18	5	13

Games since
	Main 18	Standard 5		Rapid 13		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	10	6.5	65	127.5	1248.3	1375.8
Standard	5	3	60	85	1281.1	1366.1
Rapid	5	3.5	70	170	1215.6	1385.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	9.5	52.78	23.6	1249.6	1273.2
Standard	5	3	60	85	1281.1	1366.1
Rapid	13	6.5	50	0	1237.4	1237.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1243.6	1227.2	1237.3	1200
2025-09-01	1243.6	1227.2	1237.3	1200
2025-08-01	1243.6	1227.2	1237.3	1200
2025-07-01	1243.6	1227.2	1237.3	1200
2025-06-01	1243.6	1227.2	1237.3	1200
2025-05-01	1243.6	1227.2	1237.3	1200
2025-04-01	1243.6	1227.2	1237.3	1200
2025-03-01	1216.1	1200	1237.3	1200
2025-02-01	1192.3	1200	1195.6	1200
2025-01-01	1188.4	1200	1192.4	1200
2024-12-01	1188.4	1200	1192.4	1200
2024-11-01	1188.4	1200	1192.4	1200
2024-10-01	1188.4	1200	1192.4	1200
2024-09-01	1188.4	1200	1192.4	1200
2024-08-01	1188.4	1200	1192.4	1200
2024-07-01	1188.4	1200	1192.4	1200
2024-06-01	1188.4	1200	1192.4	1200
2024-08-01	1188.4	1200	1192.4	1200
2024-04-01	1188.4	1200	1192.4	1200
2024-03-01	1209.1	1200	1221.6	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	0	0	No	Analysis
2	West Coast Schools Chess Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
3	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	0	0	No	Analysis
2	West Coast Schools Chess Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
3	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
4	West Coast Schools Chess Prestige Championships 2024 (U13 Boys)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
5	Bo-Weskus Skole Prestige 2024 (O13 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Owies, E (Elwayno)				Opponent Willemse, Z (Zeke)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Owies, E (Elwayno)				Opponent Andrew, T (Tyron)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Dirks, R (Ryan)				Opponent Bester, J (Juandre)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Owies, E (Elwayno)				Opponent Andrew, T (Tyron)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Salfirus, R (Raymellio)				Opponent Salfirus, R (Raymellio)

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Owies, E (Elwayno)				Opponent Willemse, Z (Zeke)
2	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Dirks, R (Ryan)				Opponent Bester, J (Juandre)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 5	type Rapid	result 0.5	date 2025-02-22	rnd 5	type Rapid	result 0.5
		Opponent Van Der Westhuizen, J (Javian)				Opponent Van Der Westhuizen, J (Javian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Owies, E (Elwayno)				Opponent Willemse, Z (Zeke)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Owies, E (Elwayno)				Opponent Andrew, T (Tyron)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Dirks, R (Ryan)				Opponent Bester, J (Juandre)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Owies, E (Elwayno)				Opponent Andrew, T (Tyron)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Salfirus, R (Raymellio)				Opponent Salfirus, R (Raymellio)

#	Games	Start				End
1	3	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Owies, E (Elwayno)				Opponent Willemse, Z (Zeke)
2	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Dirks, R (Ryan)				Opponent Bester, J (Juandre)
3	1	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 4	type Rapid	result 1
		Opponent Maarman, L (Luciano)				Opponent Maarman, L (Luciano)

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	Andrew ,T (Tyron)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Andrew ,T (Tyron)	2	1245.9	1245.9	1	1200	1670.9	1	1255.3	820.9	0	0	0
2	Owies ,E (Elwayno)	2	2	425	1	1	425	1	1	425	0	0	0
2	Owies ,E (Elwayno)	2	1205.7	1630.7	1	1200	1630.7	1	1200	1630.7	0	0	0
3	Isaacs ,C (Clint Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Isaacs ,C (Clint Lee)	1	1288.6	863.6	1	1159.9	863.6	0	0	0	0	0	0
4	Salfirus ,R (Raymellio)	1	1	425	1	1	425	0	0	0	0	0	0
4	Salfirus ,R (Raymellio)	1	1210.1	1635.1	1	1200	1635.1	0	0	0	0	0	0
5	Willemse ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Willemse ,S (Schalk)	1	1433.3	1008.3	1	1423.7	1008.3	0	0	0	0	0	0
6	Dirks ,R (Ryan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Dirks ,R (Ryan)	1	1236.6	1661.6	0	0	0	1	1327.7	1661.6	0	0	0
7	Jacobs ,N (Nicholaas)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jacobs ,N (Nicholaas)	1	1193	768	0	0	0	1	1200	768	0	0	0
8	Love ,T (Tayrique)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Love ,T (Tayrique)	1	1314	889	0	0	0	1	1422.8	889	0	0	0
9	Bester ,J (Juandre)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bester ,J (Juandre)	1	1342.7	1767.7	0	0	0	1	1352	1767.7	0	0	0
10	Greeff ,G (Giteau)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Greeff ,G (Giteau)	1	1368.3	943.3	0	0	0	1	1378.2	943.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Westhuizen, D (Dean-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms