Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coertze, D (Donovon)

Chess SA id

108084948

FIDE id

Date of birth

2008-05-12 (U18)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	719.5	704.8	585.6	585.6
Raw rating	719.5	704.8	585.6	585.6
Weighted rating	719.5	704.8	585.6	585.6
Weighted performance	125.3	122.4	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	328.8	335.8	397.9	397.9
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	719.5 2024-02-01	704.8 2024-02-01	585.6 2024-02-01	585.6 2024-02-01
Highest weighted rating	719.5 2024-11-01	704.8 2024-11-01	585.6 2024-11-01	585.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	719.5	704.8	585.6	585.6
Analysis
Rating	719.5	704.8	585.6	585.6
Raw rating	719.5	704.8	585.6	585.6
Weighted rating	719.5	704.8	585.6
Weighted performance	125.3	122.4	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	328.8	335.8	397.9	397.9
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	719.5	704.8	585.6	585.6
New weighted rating	719.5	704.8	585.6	585.6
New weighted performance	120.8	118	0	0
Temp new rating	719.5	704.8	585.6	585.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	719.5	704.8	585.6	585.6
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	42	42

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
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	22	5	22.73	-231.8	908.1	676.3
Standard	22	5	22.73	-231.8	908.1	676.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	719.5	704.8	585.6	585.6
2025-09-30	719.5	704.8	585.6	585.6
2025-09-01	719.5	704.8	585.6	585.6
2025-08-01	719.5	704.8	585.6	585.6
2025-07-01	719.5	704.8	585.6	585.6
2025-06-01	719.5	704.8	585.6	585.6
2025-05-01	719.5	704.8	585.6	585.6
2025-04-01	719.5	704.8	585.6	585.6
2025-03-01	719.5	704.8	585.6	585.6
2025-02-01	719.5	704.8	585.6	585.6
2025-01-01	719.5	704.8	585.6	585.6
2024-12-01	719.5	704.8	585.6	585.6
2024-11-01	719.5	704.8	585.6	585.6
2024-10-01	719.5	704.8	585.6	585.6
2024-09-01	719.5	704.8	585.6	585.6
2024-08-01	719.5	704.8	585.6	585.6
2024-07-01	719.5	704.8	585.6	585.6
2024-09-01	719.5	704.8	585.6	585.6
2024-05-01	719.5	704.8	585.6	585.6
2024-04-01	719.5	704.8	585.6	585.6
2024-03-01	719.5	704.8	585.6	585.6
2024-02-01	719.5	704.8	585.6	585.6
2024-01-01	719.5	704.8	585.6	585.6
2023-12-01	719.5	704.8	585.6	585.6

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	George Trial 2 2020 (U14)	2020-02-08	2020-02-08	Standard	Eden (WEG)	5	0	0	No	Analysis
2	Boys + Girls Tournament 2019 (U12)	2019-08-17	2019-08-17	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
3	2019 Hervormde Kerk (U12)	2019-03-09	2019-03-09	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
4	Boys and Girls 2018 (U12 Boys)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	5	1.5	Yes	Analysis
5	Strathvaal 2018 (U12)	2018-06-02	2018-06-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	1.5	Yes	Analysis
6	Wesvalia 2018 (U12)	2018-02-17	2018-02-17	Standard	Dr Kenneth Kaunda (NWP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Strathvaal 2018				Tournament Strathvaal 2018
		date 2018-06-02	rnd 3	type Standard	result 0.5	date 2018-06-02	rnd 4	type Standard	result 1
		Opponent Jerling, AAM (Alicia)				Opponent King, M (Mareli)
2	1	Tournament Boys + Girls Tournament 2019				Tournament Boys + Girls Tournament 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Botha, Z (Zak)				Opponent Botha, Z (Zak)
3	1	Tournament 2019 Hervormde Kerk				Tournament 2019 Hervormde Kerk
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Havenga, S (Shaylee)				Opponent Havenga, S (Shaylee)

#	Games	Start				End
1	2	Tournament Strathvaal 2018				Tournament Strathvaal 2018
		date 2018-06-02	rnd 3	type Standard	result 0.5	date 2018-06-02	rnd 4	type Standard	result 1
		Opponent Jerling, AAM (Alicia)				Opponent King, M (Mareli)
2	1	Tournament Boys + Girls Tournament 2019				Tournament Boys + Girls Tournament 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Botha, Z (Zak)				Opponent Botha, Z (Zak)
3	1	Tournament 2019 Hervormde Kerk				Tournament 2019 Hervormde Kerk
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Havenga, S (Shaylee)				Opponent Havenga, S (Shaylee)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Boys + Girls Tournament 2019				Tournament Boys + Girls Tournament 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Botha, Z (Zak)				Opponent Botha, Z (Zak)
2	1	Tournament 2019 Hervormde Kerk				Tournament 2019 Hervormde Kerk
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Havenga, S (Shaylee)				Opponent Havenga, S (Shaylee)
3	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Jooste, J (Jayden)				Opponent Jooste, J (Jayden)

#	Games	Start				End
1	1	Tournament Boys + Girls Tournament 2019				Tournament Boys + Girls Tournament 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Botha, Z (Zak)				Opponent Botha, Z (Zak)
2	1	Tournament 2019 Hervormde Kerk				Tournament 2019 Hervormde Kerk
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Havenga, S (Shaylee)				Opponent Havenga, S (Shaylee)
3	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Jooste, J (Jayden)				Opponent Jooste, J (Jayden)

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	Steenkamp ,C (Christopher)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Steenkamp ,C (Christopher)	2	849.1	424.1	2	854.9	424.1	0	0	0	0	0	0
2	Botha ,Z (Zak)	1	1	425	1	1	425	0	0	0	0	0	0
2	Botha ,Z (Zak)	1	1212.6	1637.6	1	1212.6	1637.6	0	0	0	0	0	0
3	Jooste ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
3	Jooste ,J (Jayden)	1	907.4	1332.4	1	901.7	1332.4	0	0	0	0	0	0
4	Havenga ,S (Shaylee)	1	1	425	1	1	425	0	0	0	0	0	0
4	Havenga ,S (Shaylee)	1	972.6	1397.6	1	970.9	1397.6	0	0	0	0	0	0
5	Modibedi ,KL (Kamogelo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Modibedi ,KL (Kamogelo)	1	886.3	886.3	1	838.9	886.3	0	0	0	0	0	0
6	Fouche ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fouche ,H (Heinrich)	1	1206.7	781.7	1	1173.8	781.7	0	0	0	0	0	0
7	Pretorius ,M (Martin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pretorius ,M (Martin)	1	845.6	420.6	1	846.6	420.6	0	0	0	0	0	0
8	Cordier ,T (Tristian)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cordier ,T (Tristian)	1	1051.6	626.6	1	1047.4	626.6	0	0	0	0	0	0
9	Krugel ,L (Lian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Krugel ,L (Lian)	1	976.4	551.4	1	957.6	551.4	0	0	0	0	0	0
10	Hugo ,H (Howard)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Hugo ,H (Howard)	1	999.3	574.3	1	997.2	574.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Coertze, D (Donovon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms