Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, A (Andru)

Chess SA id

1120139989

FIDE id

Date of birth

2012-01-10 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1252.4	1264.8	1200.8	1200
Raw rating	1252.4	1264.8	1200.8	1200
Weighted rating	1245.5	1257	1200.8	1200
Weighted performance	0	0	0	0
Floor	752.4	764.8	700.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.9	151.2	165.6	165.8
Highest rating	1252.4 2024-09-01	1329.7 2024-08-01	1212.2 2022-04-01	1200 2018-10-01
Highest raw rating	1252.4 2024-09-01	1264.8 2024-09-01	1200.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1242.6 2025-08-01	1253.7 2025-08-01	1200.8 2024-04-01	1200 2018-10-01
Highest weighted performance	1226.6 2024-08-01	1329.7 2024-08-01	1212.2 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1252.4	1264.8	1200.8	1200
Analysis
Rating	1252.4	1264.8	1200.8	1200
Raw rating	1252.4	1264.8	1200.8	1200
Weighted rating	1245.5	1257	1200.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	752.4	764.8	700.8	700
Max/Min rating change allowed	153.9	151.2	165.6	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	1252.4	1264.8	1200.8	1200
New weighted rating	1246.8	1258.4	1200.8	1200
New weighted performance	0	0	0	0
Temp new rating	1252.4	1264.8	1200.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1252.4	1264.8	1200.8	1200
New K-factor	36	36	36	36
New floor	752.4	764.8	700.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	5	5	0
	6	0	6
	0	0	0
History	16	10	6

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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	16	10	62.5	106.2	1185.8	1292.1
Standard	10	7	70	170	1191.6	1361.6
Rapid	6	3	50	0	1176.3	1176.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1252.4	1264.8	1200.8	1200
2025-09-01	1252.4	1264.8	1200.8	1200
2025-08-01	1252.4	1264.8	1200.8	1200
2025-07-01	1252.4	1264.8	1200.8	1200
2025-06-01	1252.4	1264.8	1200.8	1200
2025-05-01	1252.4	1264.8	1200.8	1200
2025-04-01	1252.4	1264.8	1200.8	1200
2025-03-01	1252.4	1264.8	1200.8	1200
2025-02-01	1252.4	1264.8	1200.8	1200
2025-01-01	1252.4	1264.8	1200.8	1200
2024-12-01	1252.4	1264.8	1200.8	1200
2024-11-01	1252.4	1264.8	1200.8	1200
2024-10-01	1252.4	1264.8	1200.8	1200
2024-09-01	1252.4	1264.8	1200.8	1200
2024-08-01	1214.8	1222	1200.8	1200
2024-07-01	1214.8	1222	1200.8	1200
2024-06-01	1214.8	1222	1200.8	1200
2024-08-01	1214.8	1222	1200.8	1200
2024-04-01	1214.8	1222	1200.8	1200
2024-03-01	1214.8	1222	1200.8	1200
2024-02-01	1214.8	1222	1200.8	1200
2024-01-01	1214.8	1222	1200.8	1200
2023-12-01	1214.8	1222	1200.8	1200
2023-11-01	1214.8	1222	1200.8	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	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	2023 Tshwane South School District CLOSED League Championship (U11)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	6	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Basson, D (Daniel)				Opponent Coetzee, D (Daniel)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (H�nri)				Opponent Oh, D (Dael)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Lee, E (Eugene)				Opponent Lee, E (Eugene)

#	Games	Start				End
1	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (H�nri)				Opponent Oh, D (Dael)
2	2	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brand, I (Isabelle)				Opponent Coetzee, D (Daniel)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Lee, E (Eugene)				Opponent Lee, E (Eugene)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Basson, D (Daniel)				Opponent Potgieter, H (Hanro)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Pieters, H (Hanroux)				Opponent Pieters, H (Hanroux)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Basson, D (Daniel)				Opponent Coetzee, D (Daniel)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (H�nri)				Opponent Oh, D (Dael)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Lee, E (Eugene)				Opponent Lee, E (Eugene)

#	Games	Start				End
1	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (H�nri)				Opponent Oh, D (Dael)
2	2	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brand, I (Isabelle)				Opponent Coetzee, D (Daniel)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Lee, E (Eugene)				Opponent Lee, E (Eugene)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Basson, D (Daniel)				Opponent Potgieter, H (Hanro)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Pieters, H (Hanroux)				Opponent Pieters, H (Hanroux)

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	Kehrhahn ,K (Keagan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kehrhahn ,K (Keagan)	1	1179.7	1604.7	1	1174.8	1604.7	0	0	0	0	0	0
2	Coetzee ,L (Lenska)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Coetzee ,L (Lenska)	1	1166.5	741.5	1	1159.2	741.5	0	0	0	0	0	0
3	Weder ,K (Karlien)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Weder ,K (Karlien)	1	1209.8	784.8	1	1220.8	784.8	0	0	0	0	0	0
4	Coetzee ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Coetzee ,D (Daniel)	1	1181.1	1606.1	1	1176.4	1606.1	0	0	0	0	0	0
5	Van Wyk ,H (H�nri)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Wyk ,H (H�nri)	1	1159.5	1584.5	1	1150	1584.5	0	0	0	0	0	0
6	Brand ,I (Isabelle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Brand ,I (Isabelle)	1	1228.8	1653.8	1	1237.3	1653.8	0	0	0	0	0	0
7	Engelbrecht ,E (Eben)	1	1	425	1	1	425	0	0	0	0	0	0
7	Engelbrecht ,E (Eben)	1	1194.1	1619.1	1	1188.1	1619.1	0	0	0	0	0	0
8	Ottermann ,E (Erik)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ottermann ,E (Erik)	1	1196	771	1	1182.7	771	0	0	0	0	0	0
9	Lee ,E (Eugene)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lee ,E (Eugene)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Oh ,D (Dael)	1	1	425	1	1	425	0	0	0	0	0	0
10	Oh ,D (Dael)	1	1200	1625	1	1200	1625	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, A (Andru)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms