Chess South Africa Ratings Database

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Personal

Van Der Westhuizen, W (Werner)

Chess SA id

1120150097

FIDE id

Date of birth

2012-01-24 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

2025-03-04

Junior GPX Games

53.6

Junior GPX Points

1366.6

Item	Main	Standard	Rapid	Blitz
Rating	1521.6	1541.8	1480	1199.7
Raw rating	1521.6	1541.8	1472.4	1199.7
Weighted rating	1479.7	1419.9	1480	1199.7
Weighted performance	1435	1470.5	1379.8	0
Floor	1116	1079.8	1011.5	700
K-factor	28	32	32	36
Min/Max rating change allowed	104.9	101.9	112.5	165.9
Highest rating	1616 2025-03-01	1579.8 2025-03-01	1669.5 2023-02-01	1200 2018-10-01
Highest raw rating	1616 2025-03-01	1579.8 2025-03-01	1511.5 2024-10-01	1200 2024-03-01
Highest weighted rating	1479.7 2025-09-30	1402.4 2025-09-01	1511.5 2025-04-01	1200 2018-10-01
Highest weighted performance	1616 2025-03-01	1579.8 2024-11-01	1669.5 2023-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.2	0
New rating	1521.6	1541.8	1480.2	1199.7
Analysis
Rating	1521.6	1541.8	1480	1199.7
Raw rating	1521.6	1541.8	1472.4	1199.7
Weighted rating	1479.7	1419.9	1480
Weighted performance	1435	1470.5	1379.8
K-factor	28	32	32	36
Floor	1116	1079.8	1011.5	700
Max/Min rating change allowed	104.9	101.9	112.5	165.9
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	1521.6	1541.8	1472.4	1199.7
New weighted rating	1486.8	1436.2	1480.2	1199.7
New weighted performance	1433.5	1468.9	1378.3	0
Temp new rating	1521.6	1541.8	1480.2	1199.7
Temp new rating +/-	0	0	0.2	0
Final new rating +/-	0	0	0.2	0
New rating	1521.6	1541.8	1480.2	1199.7
New K-factor	28	32	32	36
New floor	1116	1079.8	1011.5	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	64	34	22	8
	44	20	24	0
	32	6	26	0
	0	0	0	0
	0	0	0	0
History	140	60	72	8

Games since
	Main 118	Standard 54		Rapid 56		Blitz 8
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1099		325		176
Male	956		274		150
U14	149		50		22
U14 Male	121		37		18
Standard
	RSA		Province		Region
Overall	895		238		135
Male	786		202		118
U14	117		39		16
U14 Male	98		30		14
Rapid
	RSA		Province		Region
Overall	264		125		64
Male	243		115		62
U14	37		22		10
U14 Male	31		18		9
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	64	34.5	53.91	33.2	1444.5	1477.7
Standard	34	24	70.59	175	1410.3	1585.3
Rapid	22	8.5	38.64	-96.6	1486.3	1389.7
Blitz	8	2	25	-212.5	1474.8	1262.3
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	140	86.5	61.79	100.2	1371.9	1472.1
Standard	60	38.5	64.17	120.4	1373.9	1494.3
Rapid	72	46	63.89	118.1	1358.8	1476.9
Blitz	8	2	25	-212.5	1474.8	1262.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1521.6	1541.8	1472.4	1199.7
2025-09-01	1526.4	1541.8	1474	1199.7
2025-08-01	1512.1	1527.7	1478.3	1199.7
2025-07-01	1512.1	1527.7	1476.3	1199.7
2025-06-01	1512.1	1527.7	1473.7	1199.5
2025-05-01	1489.3	1507.7	1466.7	1196.9
2025-04-01	1551	1507.7	1511.5	1200
2025-03-01	1616	1579.8	1511.5	1200
2025-02-01	1507.5	1381.7	1511.5	1200
2025-01-01	1507.5	1381.7	1511.5	1200
2024-12-01	1507.5	1381.7	1511.5	1200
2024-11-01	1507.5	1381.7	1511.5	1200
2024-10-01	1427.9	1221.6	1511.5	1200
2024-09-01	1357.1	1221.6	1446.2	1200
2024-08-01	1357.1	1221.6	1446.2	1200
2024-07-01	1357.1	1221.6	1446.2	1200
2024-06-01	1357.1	1221.6	1446.2	1200
2024-08-01	1334.7	1221.6	1429.6	1200
2024-04-01	1334.7	1221.6	1429.6	1200
2024-03-01	1329.1	1221.6	1443	1200
2024-02-01	1320.1	1142	1443	1200
2024-01-01	1320.1	1142	1443	1200
2023-12-01	1320.1	1142	1443	1200
2023-11-01	1320.1	1142	1443	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	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (Championship)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
3	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
4	Western Cape Women�s Championship 2025 (Sunday Rapid)	2025-08-10	2025-08-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	0	Yes	Analysis
7	Hermanus Chess Club Open 2025 (Blitz)	2025-04-11	2025-04-11	Blitz	Overberg (WOS)	9	8	2	Yes	Analysis
8	Cape Town Open Chess Festival 2025 (B)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	De Hoop Primary Schools Teams Play-offs 2025 (U13)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
11	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (Championship)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
3	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
4	Western Cape Women�s Championship 2025 (Sunday Rapid)	2025-08-10	2025-08-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	0	Yes	Analysis
7	Hermanus Chess Club Open 2025 (Blitz)	2025-04-11	2025-04-11	Blitz	Overberg (WOS)	9	8	2	Yes	Analysis
8	Cape Town Open Chess Festival 2025 (B)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	CT Metro Schools Individual Closed 2025 (U13 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	De Hoop Primary Schools Teams Play-offs 2025 (U13)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
11	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
12	De Hoop Chess Championship Tournament 2024 (U12+U14)	2024-10-12	2024-10-12	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
13	Grant East Annual Primary School Invitational Chess Tournament 2024 (U13)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
14	Kingsway Chess Open 2024 (U12)	2024-09-14	2024-09-14	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
15	Kleinmond Chess Club Open 2024 (U12)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	6	Yes	Analysis
16	Rhenish PS Tournament 2024 (U14)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
17	Cape Town Open Rapid Chess Championship 2024 (U12)	2024-03-16	2024-03-16	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
18	De Hoop Teams Play Offs 2023 (U13 Mixed)	2024-02-10	2024-02-10	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
19	CT District East Schools Chess Individuals Trails 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
20	Grant East Primary School Invitational Chess Tournament 2023 (U11 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
21	De Hoop Chess Championship 2023 (U11)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
22	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	0.5	Yes	Analysis
23	CT Metro District East Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	5	3	Yes	Analysis
24	Rhenish Primary Tournament 2023 (U12)	2023-05-13	2023-05-13	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
25	De Hoop Teams Play Offs 2023 (U11 Mixed)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	5	5	5	Yes	Analysis

#	Games	Start				End
1	21	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament CT Metro Schools Individual Closed 2025
		date 2024-10-05	rnd 3	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Sedick, S (Shafeeqa)				Opponent Issel, Y (Yaeesh)
2	10	Tournament Rhenish PS Tournament 2024				Tournament Kingsway Chess Open 2024
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Venter, J (Jacques)				Opponent Groenewald, C (Christiaan)
3	8	Tournament De Hoop Teams Play Offs 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Botha, R (Riaan)				Opponent Kuypers, P (Parker)

#	Games	Start				End
1	21	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament CT Metro Schools Individual Closed 2025
		date 2024-10-05	rnd 3	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Sedick, S (Shafeeqa)				Opponent Issel, Y (Yaeesh)
2	4	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Prins, E (Eddie)				Opponent Calitz, S (Steyn)
3	3	Tournament De Hoop Teams Play Offs 2023				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-02-10	rnd 4	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Theron, L (Lucca)				Opponent Damons, K (Kirsten)

#	Games	Start				End
1	10	Tournament Rhenish PS Tournament 2024				Tournament Kingsway Chess Open 2024
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Venter, J (Jacques)				Opponent Groenewald, C (Christiaan)
2	8	Tournament De Hoop Teams Play Offs 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Botha, R (Riaan)				Opponent Kuypers, P (Parker)
3	6	Tournament De Hoop Chess Championship 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-11-04	rnd 2	type Rapid	result 1
		Opponent Joao, M (Michyla)				Opponent Serfontein, C (Carlu)

#	Games	Start				End
1	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-11	rnd 4	type Blitz	result 1	date 2025-04-11	rnd 4	type Blitz	result 1
		Opponent Da Fonseca, M (Matthew)				Opponent Da Fonseca, M (Matthew)
2	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-11	rnd 2	type Blitz	result 1	date 2025-04-11	rnd 2	type Blitz	result 1
		Opponent Barnard, C (Charel)				Opponent Barnard, C (Charel)

#	Games	Start				End
1	8	Tournament Kleinmond Chess Club Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Drury, R (Riko)				Opponent Groenewald, C (Christiaan)
2	8	Tournament De Hoop Teams Play Offs 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Botha, R (Riaan)				Opponent Kuypers, P (Parker)
3	7	Tournament De Hoop Primary Schools Teams Play-offs 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jurgens)				Opponent Issel, Y (Yaeesh)

#	Games	Start				End
1	7	Tournament De Hoop Primary Schools Teams Play-offs 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jurgens)				Opponent Issel, Y (Yaeesh)
2	5	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament De Hoop Chess Championship Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 1
		Opponent Sedick, S (Shafeeqa)				Opponent Pfukwa, P (Palesa)
3	4	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Prins, E (Eddie)				Opponent Calitz, S (Steyn)

#	Games	Start				End
1	8	Tournament Kleinmond Chess Club Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Drury, R (Riko)				Opponent Groenewald, C (Christiaan)
2	8	Tournament De Hoop Teams Play Offs 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Botha, R (Riaan)				Opponent Kuypers, P (Parker)
3	6	Tournament De Hoop Chess Championship 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-11-04	rnd 2	type Rapid	result 1
		Opponent Joao, M (Michyla)				Opponent Serfontein, C (Carlu)

#	Games	Start				End
1	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-11	rnd 4	type Blitz	result 1	date 2025-04-11	rnd 4	type Blitz	result 1
		Opponent Da Fonseca, M (Matthew)				Opponent Da Fonseca, M (Matthew)
2	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-11	rnd 2	type Blitz	result 1	date 2025-04-11	rnd 2	type Blitz	result 1
		Opponent Barnard, C (Charel)				Opponent Barnard, C (Charel)

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	Arendse ,V (Virgil)	5	3.5	170	3	1.5	0	2	2	425	0	0	0
1	Arendse ,V (Virgil)	5	1301.6	1471.6	3	1290.3	1301.6	2	1244	1726.6	0	0	0
2	Pfukwa ,P (Palesa)	5	4	255	2	2	425	3	2	141.7	0	0	0
2	Pfukwa ,P (Palesa)	5	1364	1619	2	1411.1	1789	3	1291.4	1505.7	0	0	0
3	Calitz ,S (Steyn)	3	3	425	2	2	425	1	1	425	0	0	0
3	Calitz ,S (Steyn)	3	1419.2	1844.2	2	1409.9	1844.2	1	1387.7	1844.2	0	0	0
4	Guo ,A (Aleks)	3	0.5	-283.3	2	0.5	-212.5	1	0	-425	0	0	0
4	Guo ,A (Aleks)	3	1612.3	1328.9	2	1621.9	1399.8	1	1424.5	1187.3	0	0	0
5	Rule ,L (Liam)	3	1	-141.7	1	1	425	2	0	-425	0	0	0
5	Rule ,L (Liam)	3	1523	1381.3	1	1545	1948	2	1464.5	1098	0	0	0
6	Richards ,K (Kiran)	2	1	0	2	1	0	0	0	0	0	0	0
6	Richards ,K (Kiran)	2	1225.1	1225.1	2	1114.6	1225.1	0	0	0	0	0	0
7	Lindes ,CW (Carl Weaan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Lindes ,CW (Carl Weaan)	2	1209.9	1634.9	2	1231.8	1634.9	0	0	0	0	0	0
8	Pretorius ,M (Mia)	2	2	425	1	1	425	1	1	425	0	0	0
8	Pretorius ,M (Mia)	2	1383.9	1808.9	1	1426.3	1808.9	1	1261.6	1808.9	0	0	0
9	Srivastava ,P (Prakhar)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
9	Srivastava ,P (Prakhar)	2	1471.9	1259.4	1	1493.8	1046.9	1	1281.2	1471.9	0	0	0
10	Ruiters ,C (Cade)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
10	Ruiters ,C (Cade)	2	1433.2	1220.7	1	1546.9	1433.2	1	1228.8	1008.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Westhuizen, W (Werner)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms