Chess South Africa Ratings Database

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Personal

Coertze, D (Dane)

Chess SA id

2120117934

FIDE id

Date of birth

2012-05-08 (U14)

Gender

Female

Region

Eden (WEG)

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	1125.5	1135.5	1140.8	1200
Raw rating	1125.5	1135.5	1140.8	1200
Weighted rating	1120.2	1129.3	1140.8	1200
Weighted performance	829.8	837	0	0
Floor	700	709.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.4	181.8	180.4	165.8
Highest rating	1200 2018-10-01	1209.6 2023-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1209.6 2023-10-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1209.6 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1125.5	1135.5	1140.8	1200
Analysis
Rating	1125.5	1135.5	1140.8	1200
Raw rating	1125.5	1135.5	1140.8	1200
Weighted rating	1120.2	1129.3	1140.8
Weighted performance	829.8	837	0
K-factor	36	36	36	36
Floor	700	709.6	700	700
Max/Min rating change allowed	184.4	181.8	180.4	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	1125.5	1135.5	1140.8	1200
New weighted rating	1120.1	1129.2	1140.8	1200
New weighted performance	823.6	830.7	0	0
Temp new rating	1125.5	1135.5	1140.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1125.5	1135.5	1140.8	1200
New K-factor	36	36	36	36
New floor	700	709.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	15	15	0
	5	5	0
	9	4	5
	0	0	0
History	33	28	5

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	33	11	33.33	-141.7	1216.5	1074.8
Standard	28	10	35.71	-121.4	1202.4	1080.9
Rapid	5	1	20	-255	1295.4	1040.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1125.5	1135.5	1140.8	1200
2025-09-30	1125.5	1135.5	1140.8	1200
2025-09-01	1125.5	1135.5	1140.8	1200
2025-08-01	1125.5	1135.5	1140.8	1200
2025-07-01	1125.5	1135.5	1140.8	1200
2025-06-01	1125.5	1135.5	1140.8	1200
2025-05-01	1125.5	1135.5	1140.8	1200
2025-04-01	1125.5	1135.5	1140.8	1200
2025-03-01	1125.5	1135.5	1140.8	1200
2025-02-01	1124.4	1134.1	1140.8	1200
2025-01-01	1098.5	1104.2	1140.8	1200
2024-12-01	1098.5	1104.2	1140.8	1200
2024-11-01	1098.5	1104.2	1140.8	1200
2024-10-01	1098.5	1104.2	1140.8	1200
2024-09-01	1098.5	1104.2	1140.8	1200
2024-08-01	1098.5	1104.2	1140.8	1200
2024-07-01	1115.8	1123.6	1140.8	1200
2024-09-01	1115.8	1123.6	1140.8	1200
2024-05-01	1115.8	1123.6	1140.8	1200
2024-04-01	1115.8	1123.6	1140.8	1200
2024-03-01	1166.3	1182.6	1140.8	1200
2024-02-01	1187.2	1209.6	1140.8	1200
2024-01-01	1187.2	1209.6	1140.8	1200
2023-12-01	1187.2	1209.6	1140.8	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	George Primary Top Schools 2024 (U13)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	1	Yes	Analysis
2	George Schools Trials 3 2024 (U13 Girls)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	George Schools Trials 2 2024 (U13 Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	Western Cape Top Schools 2023 (U11 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	4	Yes	Analysis
5	George-Suid Senior Skaaktoernooi 2022	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
6	George Topskole 2022 (O11)	2022-07-30	2022-07-30	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
7	Boys + Girls Tournament 2019 (U8)	2019-08-17	2019-08-17	Standard	Dr Kenneth Kaunda (NWP)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 4	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Van Zyl, R (Roche-Kay)				Opponent Dyssel, L (Leila)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Qhina, L (Lisakhanya)				Opponent Venter, D (Danelize)
3	2	Tournament George Topskole 2022				Tournament George Topskole 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 0.5
		Opponent Coertze, R (Rulan)				Opponent Sampson, E (Eejay)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 4	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Van Zyl, R (Roche-Kay)				Opponent Dyssel, L (Leila)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Qhina, L (Lisakhanya)				Opponent Venter, D (Danelize)
3	2	Tournament George Topskole 2022				Tournament George Topskole 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 0.5
		Opponent Coertze, R (Rulan)				Opponent Sampson, E (Eejay)

#	Games	Start				End
1	1	Tournament George-Suid Senior Skaaktoernooi 2022				Tournament George-Suid Senior Skaaktoernooi 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Ladeira, L (Luzitu)				Opponent Ladeira, L (Luzitu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 4	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Van Zyl, R (Roche-Kay)				Opponent Dyssel, L (Leila)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Qhina, L (Lisakhanya)				Opponent Venter, D (Danelize)
3	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Taylor, M (Menirva)				Opponent Taylor, M (Menirva)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 4	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Van Zyl, R (Roche-Kay)				Opponent Dyssel, L (Leila)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Qhina, L (Lisakhanya)				Opponent Venter, D (Danelize)
3	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 3	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Taylor, M (Menirva)				Opponent Taylor, M (Menirva)

#	Games	Start				End
1	1	Tournament George-Suid Senior Skaaktoernooi 2022				Tournament George-Suid Senior Skaaktoernooi 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Ladeira, L (Luzitu)				Opponent Ladeira, L (Luzitu)

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	Taylor ,M (Menirva)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Taylor ,M (Menirva)	3	1195.4	1053.8	3	1199.6	1053.8	0	0	0	0	0	0
2	Bruintjies ,J (Jernaile)	2	2	425	2	2	425	0	0	0	0	0	0
2	Bruintjies ,J (Jernaile)	2	1157.2	1582.2	2	1149	1582.2	0	0	0	0	0	0
3	Coertze ,R (Rulan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Coertze ,R (Rulan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Van Zyl ,R (Roche-Kay)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Zyl ,R (Roche-Kay)	1	1132.2	1557.2	1	1200	1557.2	0	0	0	0	0	0
5	Johnson ,J (Jamonique)	1	1	425	1	1	425	0	0	0	0	0	0
5	Johnson ,J (Jamonique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Warren ,B (Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Warren ,B (Brian)	1	1308.4	883.4	1	1304.7	883.4	0	0	0	0	0	0
7	Ollewagen ,J (Juhanell)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ollewagen ,J (Juhanell)	1	1232.3	807.3	1	1235.5	807.3	0	0	0	0	0	0
8	Botha ,D (Dustin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Botha ,D (Dustin)	1	1177.4	752.4	1	1176.8	752.4	0	0	0	0	0	0
9	Venter ,M (Marko)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Venter ,M (Marko)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Bukula ,L (Lilitha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bukula ,L (Lilitha)	1	1158.5	733.5	1	1154.8	733.5	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

Coertze, D (Dane)

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