Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, E (Ethan)

Chess SA id

1080114711

FIDE id

Date of birth

2008-03-30 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1214.8	1242.2	1080	1200
Raw rating	1214.8	1242.2	1080	1200
Weighted rating	1213.9	1242.2	1080	1200
Weighted performance	819.6	818.1	0	0
Floor	726.1	774.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.4	156.1	196.7	165.8
Highest rating	1226.1 2022-06-01	1328.6 2022-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1226.1 2022-06-01	1274.8 2022-06-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1213.2 2025-08-01	1274.8 2024-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1328.6 2022-05-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1214.8	1242.2	1080	1200
Analysis
Rating	1214.8	1242.2	1080	1200
Raw rating	1214.8	1242.2	1080	1200
Weighted rating	1213.9	1242.2	1080
Weighted performance	819.6	818.1	0
K-factor	36	36	36	36
Floor	726.1	774.8	700	700
Max/Min rating change allowed	162.4	156.1	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	1214.8	1242.2	1080	1200
New weighted rating	1214.1	1242.2	1080	1200
New weighted performance	812.3	810.7	0	0
Temp new rating	1214.8	1242.2	1080	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1214.8	1242.2	1080	1200
New K-factor	36	36	36	36
New floor	726.1	774.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	0	0	0
	15	15	0
	0	0	0
History	30	25	5

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	30	16	53.33	28.3	1123.6	1151.9
Standard	25	15	60	85	1139.5	1224.5
Rapid	5	1	20	-255	1044.1	789.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1214.8	1242.2	1080	1200
2025-09-30	1214.8	1242.2	1080	1200
2025-09-01	1214.8	1242.2	1080	1200
2025-08-01	1214.8	1242.2	1080	1200
2025-07-01	1214.8	1242.2	1080	1200
2025-06-01	1214.8	1242.2	1080	1200
2025-05-01	1214.8	1242.2	1080	1200
2025-04-01	1214.8	1242.2	1080	1200
2025-03-01	1214.8	1242.2	1080	1200
2025-02-01	1214.8	1242.2	1080	1200
2025-01-01	1214.8	1242	1080	1200
2024-12-01	1214.8	1242	1080	1200
2024-11-01	1214.8	1242	1080	1200
2024-10-01	1214.8	1242	1080	1200
2024-09-01	1214.8	1242	1080	1200
2024-08-01	1214.8	1242	1080	1200
2024-07-01	1207.6	1242.4	1080	1200
2024-09-01	1207.6	1242.4	1080	1200
2024-05-01	1207.6	1242.4	1080	1200
2024-04-01	1207.6	1242.4	1080	1200
2024-03-01	1207.6	1242.4	1080	1200
2024-02-01	1207.6	1242.4	1080	1200
2024-01-01	1207.6	1242.4	1080	1200
2023-12-01	1207.6	1242.4	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	2024 Tshwane North School District Cluster 4 & 5 Team League (U17)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2022 D3 Cluster Teams (U15 Mixed)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
4	2022 D3 Cluster City Schools (U15)	2022-04-23	2022-04-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2019 D3 Team League (U13)	2019-07-20	2019-07-20	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2022 D3 Cluster City Schools				Tournament 2022 Gauteng Schools Team Championships
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Chislom, K (Kayden)				Opponent Van Der Walt, T (Tjaart)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Skosana, N (Nhlamolo)				Opponent Raganya, K (Kerapetse)
3	2	Tournament 2022 D3 Cluster City Schools				Tournament 2022 D3 Cluster City Schools
		date 2022-04-23	rnd 2	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Lombaard, B (Branden)				Opponent Porteous, S (Stephen)

#	Games	Start				End
1	7	Tournament 2022 D3 Cluster City Schools				Tournament 2022 Gauteng Schools Team Championships
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Chislom, K (Kayden)				Opponent Van Der Walt, T (Tjaart)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Skosana, N (Nhlamolo)				Opponent Raganya, K (Kerapetse)
3	2	Tournament 2022 D3 Cluster City Schools				Tournament 2022 D3 Cluster City Schools
		date 2022-04-23	rnd 2	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Lombaard, B (Branden)				Opponent Porteous, S (Stephen)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Niemand, S (Sune)				Opponent Niemand, S (Sune)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2022 D3 Cluster City Schools				Tournament 2022 Gauteng Schools Team Championships
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Chislom, K (Kayden)				Opponent Van Der Walt, T (Tjaart)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Skosana, N (Nhlamolo)				Opponent Raganya, K (Kerapetse)
3	2	Tournament 2022 D3 Cluster City Schools				Tournament 2022 D3 Cluster City Schools
		date 2022-04-23	rnd 2	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Lombaard, B (Branden)				Opponent Porteous, S (Stephen)

#	Games	Start				End
1	7	Tournament 2022 D3 Cluster City Schools				Tournament 2022 Gauteng Schools Team Championships
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Chislom, K (Kayden)				Opponent Van Der Walt, T (Tjaart)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Skosana, N (Nhlamolo)				Opponent Raganya, K (Kerapetse)
3	2	Tournament 2022 D3 Cluster City Schools				Tournament 2022 D3 Cluster City Schools
		date 2022-04-23	rnd 2	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Lombaard, B (Branden)				Opponent Porteous, S (Stephen)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Niemand, S (Sune)				Opponent Niemand, S (Sune)

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	Baloyi ,B (Botlale)	1	1	425	1	1	425	0	0	0	0	0	0
1	Baloyi ,B (Botlale)	1	1157.2	1582.2	1	1148	1582.2	0	0	0	0	0	0
2	Van Der Walt ,T (Tjaart)	1	1	425	1	1	425	0	0	0	0	0	0
2	Van Der Walt ,T (Tjaart)	1	1171.1	1596.1	1	1164.4	1596.1	0	0	0	0	0	0
3	Smith ,L (Leyla)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Smith ,L (Leyla)	1	1303.9	878.9	1	1323.6	878.9	0	0	0	0	0	0
4	Bakkes ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Bakkes ,D (Dylan)	1	1178.9	1603.9	1	1200	1603.9	0	0	0	0	0	0
5	Chislom ,K (Kayden)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chislom ,K (Kayden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Onyejiwa ,C (Chichi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Onyejiwa ,C (Chichi)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Coetzee ,W (Willem Christoffel)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Coetzee ,W (Willem Christoffel)	1	1287.6	862.6	1	1302.7	862.6	0	0	0	0	0	0
8	Kamissoko ,L (Layla Mariam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kamissoko ,L (Layla Mariam)	1	597.6	172.6	1	617.6	172.6	0	0	0	0	0	0
9	Porteous ,S (Stephen)	1	1	425	1	1	425	0	0	0	0	0	0
9	Porteous ,S (Stephen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Lakey ,J (Joseph)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lakey ,J (Joseph)	1	1194.4	769.4	1	1193.2	769.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Westhuizen, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms