Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Heerden, D (Derick)

Chess SA id

1070306559

FIDE id

Date of birth

2007-07-25 (U20)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

12.3

Junior GPX Points

1131.2

Item	Main	Standard	Rapid	Blitz
Rating	1146.3	1168.1	1116.3	1200
Raw rating	1146.3	1168.1	1116.3	1200
Weighted rating	1104.1	1128.1	1104.5	1200
Weighted performance	975.3	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179	173.5	186.8	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1146.3	1168.1	1116.3	1200
Analysis
Rating	1146.3	1168.1	1116.3	1200
Raw rating	1146.3	1168.1	1116.3	1200
Weighted rating	1104.1	1128.1	1104.5
Weighted performance	975.3	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179	173.5	186.8	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	1146.3	1168.1	1116.3	1200
New weighted rating	1106	1130.2	1103.8	1200
New weighted performance	975	0	0	0
Temp new rating	1146.3	1168.1	1116.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1146.3	1168.1	1116.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	19	8	11
	0	0	0
	0	0	0
	0	0	0
History	29	18	11

Games since
	Main 29	Standard 18		Rapid 11		Blitz 0
Gender	Male
Age group	U20
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	5	50	0	1207.1	1207.1
Standard	10	5	50	0	1207.1	1207.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	5.5	18.97	-263.8	1213.1	949.4
Standard	18	5	27.78	-188.9	1188.7	999.8
Rapid	11	0.5	4.55	-386.4	1253.2	866.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1146.3	1168.1	1116.3	1200
2025-09-01	1146.3	1168.1	1116.3	1200
2025-08-01	1112.2	1130.7	1116.3	1200
2025-07-01	1112.2	1130.7	1116.3	1200
2025-06-01	1112.2	1130.7	1116.3	1200
2025-05-01	1112.2	1130.7	1116.3	1200
2025-04-01	1112.2	1130.7	1116.3	1200
2025-03-01	1110.5	1132.7	1116.3	1200
2025-02-01	1104.9	1128.8	1110.5	1200
2025-01-01	990.9	1047.2	996	1200
2024-12-01	990.9	1047.2	996	1200
2024-11-01	990.9	1047.2	996	1200
2024-10-01	1016	1047.2	1050.8	1200
2024-09-01	1016	1047.2	1050.8	1200
2024-08-01	1059.2	1108	1050.8	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	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	GDE (D8) Sedibeng West Schools - Teams 2025 (U19)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Hoerskool Drie Riviere Open 08 March 2025 (A)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D8) Sedibeng West Schools - Teams 2025 (U19)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Hoerskool Drie Riviere Open 08 March 2025 (A)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	Sedibeng West District Schools Chess Team's Championships 2024 (U19)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
5	Eureka Open 27 July 2024 (D)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
6	Midvaal Winter Classic 13 July 2024 (B)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	7	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Kruger, M (Marius)				Opponent Dipale, L (Lebohang)
2	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Makatees, B (Boitumelo)				Opponent Mbona, P (Philsande)
3	1	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 7	type Rapid	result 0.5	date 2024-07-13	rnd 7	type Rapid	result 0.5
		Opponent Jonker, J (Jaen-Pierre)				Opponent Jonker, J (Jaen-Pierre)

#	Games	Start				End
1	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Kruger, M (Marius)				Opponent Dipale, L (Lebohang)
2	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Makatees, B (Boitumelo)				Opponent Mbona, P (Philsande)

#	Games	Start				End
1	1	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 7	type Rapid	result 0.5	date 2024-07-13	rnd 7	type Rapid	result 0.5
		Opponent Jonker, J (Jaen-Pierre)				Opponent Jonker, J (Jaen-Pierre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Kruger, M (Marius)				Opponent Dipale, L (Lebohang)
2	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Makatees, B (Boitumelo)				Opponent Mbona, P (Philsande)

#	Games	Start				End
1	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Kruger, M (Marius)				Opponent Dipale, L (Lebohang)
2	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Makatees, B (Boitumelo)				Opponent Mbona, P (Philsande)

No games found.

#	Games	Start				End

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	Nonyane ,I (Itumeleng)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Nonyane ,I (Itumeleng)	2	1169.8	744.8	1	1163.6	744.8	1	1200	744.8	0	0	0
2	Kruger ,M (Marius)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kruger ,M (Marius)	1	1157.9	1582.9	1	1157.9	1582.9	0	0	0	0	0	0
3	Hanauer ,A (Anthony)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hanauer ,A (Anthony)	1	1163.4	738.4	1	1156	738.4	0	0	0	0	0	0
4	Tsotetsi ,T (Tobatsi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tsotetsi ,T (Tobatsi)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Hlumbane ,P (Pusetso)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Hlumbane ,P (Pusetso)	1	1303.4	878.4	1	1301.9	878.4	0	0	0	0	0	0
6	Mutasa ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mutasa ,D (Daniel)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Van Graan ,C (Cleo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Graan ,C (Cleo)	1	1168.6	743.6	1	1163.9	743.6	0	0	0	0	0	0
8	Cordier ,M (Marko)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cordier ,M (Marko)	1	1231.9	806.9	1	1240.8	806.9	0	0	0	0	0	0
9	Dipale ,L (Lebohang)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dipale ,L (Lebohang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Du Toit ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Du Toit ,C (Christiaan)	1	1112.3	687.3	1	1118.8	687.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Heerden, D (Derick)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms