Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koert, D (Danell)

Chess SA id

2110147576

FIDE id

Date of birth

2011-03-25 (U16)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1131.6	1138	1158.4	1200
Raw rating	1131.6	1138	1158.4	1200
Weighted rating	1131.6	1138	1158.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.8	181.1	175.9	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1131.6	1138	1158.4	1200
Analysis
Rating	1131.6	1138	1158.4	1200
Raw rating	1131.6	1138	1158.4	1200
Weighted rating	1131.6	1138	1158.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.8	181.1	175.9	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	1131.6	1138	1158.4	1200
New weighted rating	1131.6	1138	1158.4	1200
New weighted performance	0	0	0	0
Temp new rating	1131.6	1138	1158.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1131.6	1138	1158.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	9	5	4
	8	8	0
	0	0	0
History	17	13	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	17	6	35.29	-125	1193.3	1068.3
Standard	13	5	38.46	-98.1	1188.1	1090.1
Rapid	4	1	25	-212.5	1210.3	997.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1131.6	1138	1158.4	1200
2025-09-01	1131.6	1138	1158.4	1200
2025-08-01	1131.6	1138	1158.4	1200
2025-07-01	1131.6	1138	1158.4	1200
2025-06-01	1131.6	1138	1158.4	1200
2025-05-01	1131.6	1138	1158.4	1200
2025-04-01	1131.6	1138	1158.4	1200
2025-03-01	1131.6	1138	1158.4	1200
2025-02-01	1131.6	1138	1158.4	1200
2025-01-01	1131.6	1138	1158.4	1200
2024-12-01	1131.6	1138	1158.4	1200
2024-11-01	1131.6	1138	1158.4	1200
2024-10-01	1131.6	1138	1158.4	1200
2024-09-01	1131.6	1138	1158.4	1200
2024-08-01	1131.6	1138	1158.4	1200
2024-07-01	1131.6	1138	1158.4	1200
2024-06-01	1131.6	1138	1158.4	1200
2024-08-01	1131.6	1138	1158.4	1200
2024-04-01	1131.6	1138	1158.4	1200
2024-03-01	1131.6	1138	1158.4	1200
2024-02-01	1131.6	1138	1158.4	1200
2024-01-01	1131.6	1138	1158.4	1200
2023-12-01	1131.6	1138	1158.4	1200
2023-11-01	1131.6	1138	1158.4	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	Langeberg Schools Chess Trials 2023 (U13 Girls)	2023-02-11	2023-02-11	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
2	Cape Winelands Schools Chess - Trials 1 2023 (U13 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	CW Grass Roots Tournament 2022 (U11 Girls)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
4	Robertson Strategema Club 2022 (U13)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Ontong, K (Kaylin)				Opponent Klopper, M (Marli)
2	2	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 4	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Kirchner, M (Miya)
3	1	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Damons, S (Stephlinn)				Opponent Damons, S (Stephlinn)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Ontong, K (Kaylin)				Opponent Klopper, M (Marli)
2	2	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 4	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Kirchner, M (Miya)
3	1	Tournament Robertson Strategema Club 2022				Tournament Robertson Strategema Club 2022
		date 2022-10-29	rnd 5	type Standard	result 1	date 2022-10-29	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, S (Sumari)				Opponent Van Der Merwe, S (Sumari)

#	Games	Start				End
1	1	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Damons, S (Stephlinn)				Opponent Damons, S (Stephlinn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Ontong, K (Kaylin)				Opponent Klopper, M (Marli)
2	2	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 4	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Kirchner, M (Miya)
3	1	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Damons, S (Stephlinn)				Opponent Damons, S (Stephlinn)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Ontong, K (Kaylin)				Opponent Klopper, M (Marli)
2	2	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 4	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Sithonga, A (Ahlumile)				Opponent Kirchner, M (Miya)
3	1	Tournament Robertson Strategema Club 2022				Tournament Robertson Strategema Club 2022
		date 2022-10-29	rnd 5	type Standard	result 1	date 2022-10-29	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, S (Sumari)				Opponent Van Der Merwe, S (Sumari)

#	Games	Start				End
1	1	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Damons, S (Stephlinn)				Opponent Damons, S (Stephlinn)

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	Kirchner ,M (Miya)	2	1	0	2	1	0	0	0	0	0	0	0
1	Kirchner ,M (Miya)	2	1264.4	1264.4	2	1272.3	1264.4	0	0	0	0	0	0
2	Klopper ,M (Marli)	1	1	425	1	1	425	0	0	0	0	0	0
2	Klopper ,M (Marli)	1	1187.8	1612.8	1	1181.9	1612.8	0	0	0	0	0	0
3	Harris ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Harris ,T (Tyler)	1	1245.8	820.8	1	1138.8	820.8	0	0	0	0	0	0
4	Van Der Merwe ,S (Sumari)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Der Merwe ,S (Sumari)	1	1185.5	1610.5	1	1181.1	1610.5	0	0	0	0	0	0
5	Ontong ,K (Kaylin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ontong ,K (Kaylin)	1	1099.7	1524.7	1	1078.4	1524.7	0	0	0	0	0	0
6	Lockem ,M (Marli)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lockem ,M (Marli)	1	1214.9	789.9	1	1228.7	789.9	0	0	0	0	0	0
7	Bester ,M (Milla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bester ,M (Milla)	1	1054.8	629.8	1	983.4	629.8	0	0	0	0	0	0
8	Braaf ,L (Le-Meake Roland)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Braaf ,L (Le-Meake Roland)	1	1129.5	704.5	1	1145	704.5	0	0	0	0	0	0
9	Steenkamp ,N (Nicole)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Steenkamp ,N (Nicole)	1	1208	783	1	1175.6	783	0	0	0	0	0	0
10	Mabongo ,A (Aqhamile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mabongo ,A (Aqhamile)	1	1268.6	843.6	1	1262.6	843.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Koert, D (Danell)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms