Chess South Africa Ratings Database

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Personal

Ziegers, D (Desiree)

Chess SA id

2670116425

FIDE id

Date of birth

1967-06-16 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1286.8	1300	1311	1300
Raw rating	1286.8	1300	1311	1300
Weighted rating	1278	1299.7	1300.7	1299.7
Weighted performance	0	0	0	0
Floor	786.8	800	811	800
K-factor	36	36	36	36
Min/Max rating change allowed	146.5	143.8	141.6	143.8
Highest rating	1329.6 2019-06-01	1300 2024-03-01	1421.6 2019-06-01	1300 2024-03-01
Highest raw rating	1286.8 2025-08-01	1300 2024-03-01	1311 2025-08-01	1300 2024-03-01
Highest weighted rating	1274.3 2025-08-01	1296.7 2025-08-01	1297.5 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1329.6 2019-06-01	1200 2024-03-01	1421.6 2019-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1286.8	1300	1311	1300
Analysis
Rating	1286.8	1300	1311	1300
Raw rating	1286.8	1300	1311	1300
Weighted rating	1278	1299.7	1300.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	786.8	800	811	800
Max/Min rating change allowed	146.5	143.8	141.6	143.8
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	1286.8	1300	1311	1300
New weighted rating	1279	1300	1301.7	1300
New weighted performance	0	0	0	0
Temp new rating	1286.8	1300	1311	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1286.8	1300	1311	1300
New K-factor	36	36	36	36
New floor	786.8	800	811	800

Item	Main	Rapid
	0	0
	6	6
	0	0
	0	0
	6	6
	0	0
History	18	18

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	6	4	66.67	141.7	1212.4	1354.1
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1212.4	1354.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	13.5	75	212.5	1164	1376.5
Standard	0	0	0	0	0	0
Rapid	18	13.5	75	212.5	1164	1376.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1286.8	1300	1311	1300
2025-09-30	1286.8	1300	1311	1300
2025-09-01	1286.8	1300	1311	1300
2025-08-01	1286.8	1300	1311	1300
2025-07-01	1274.5	1300	1296.3	1300
2025-06-01	1274.5	1300	1296.3	1300
2025-05-01	1274.5	1300	1296.3	1300
2025-04-01	1274.5	1300	1296.3	1300
2025-03-01	1274.5	1300	1296.3	1300
2025-02-01	1274.5	1300	1296.3	1300
2025-01-01	1274.5	1300	1296.3	1300
2024-12-01	1274.5	1300	1296.3	1300
2024-11-01	1274.5	1300	1296.3	1300
2024-10-01	1274.5	1300	1296.3	1300
2024-09-01	1274.5	1300	1296.3	1300
2024-08-01	1274.5	1300	1296.3	1300
2024-07-01	1274.5	1300	1296.3	1300
2024-09-01	1274.5	1300	1296.3	1300
2024-05-01	1274.5	1300	1296.3	1300
2024-04-01	1274.5	1300	1296.3	1300
2024-03-01	1274.5	1300	1296.3	1300
2024-02-01	1274.5	1300	1296.3	1300
2024-01-01	1274.5	1300	1296.3	1300
2023-12-01	1240.7	1200	1296.3	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	Cape Winelands Open 2025 (Parents+Teachers)	2025-07-19	2025-07-19	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Open 2025 (Parents+Teachers)	2025-07-19	2025-07-19	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Summer Slam 2022 (C)	2022-12-13	2022-12-13	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
3	2019 Rylands Library Winter Slam (Beginner)	2019-06-27	2019-06-27	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 1	type Rapid	result 1	date 2019-06-27	rnd 5	type Rapid	result 1
		Opponent Edries, S (Sa`ad)				Opponent Fani, Z (Zimi)
2	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Prins, W (Walter)				Opponent Rehse, G (Grant)
3	3	Tournament Summer Slam 2022				Tournament Cape Winelands Open 2025
		date 2022-12-13	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 1	type Rapid	result 1
		Opponent Potgieter, R (Rayhanna)				Opponent Maruma, O (Olga)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 1	type Rapid	result 1	date 2019-06-27	rnd 5	type Rapid	result 1
		Opponent Edries, S (Sa`ad)				Opponent Fani, Z (Zimi)
2	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Prins, W (Walter)				Opponent Rehse, G (Grant)
3	3	Tournament Summer Slam 2022				Tournament Cape Winelands Open 2025
		date 2022-12-13	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 1	type Rapid	result 1
		Opponent Potgieter, R (Rayhanna)				Opponent Maruma, O (Olga)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 1	type Rapid	result 1	date 2019-06-27	rnd 5	type Rapid	result 1
		Opponent Edries, S (Sa`ad)				Opponent Fani, Z (Zimi)
2	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Prins, W (Walter)				Opponent Rehse, G (Grant)
3	3	Tournament Summer Slam 2022				Tournament Cape Winelands Open 2025
		date 2022-12-13	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 1	type Rapid	result 1
		Opponent Potgieter, R (Rayhanna)				Opponent Maruma, O (Olga)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 1	type Rapid	result 1	date 2019-06-27	rnd 5	type Rapid	result 1
		Opponent Edries, S (Sa`ad)				Opponent Fani, Z (Zimi)
2	3	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Prins, W (Walter)				Opponent Rehse, G (Grant)
3	3	Tournament Summer Slam 2022				Tournament Cape Winelands Open 2025
		date 2022-12-13	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 1	type Rapid	result 1
		Opponent Potgieter, R (Rayhanna)				Opponent Maruma, O (Olga)

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	Fani ,Z (Zimi)	1	1	425	0	0	0	1	1	425	0	0	0
1	Fani ,Z (Zimi)	1	1068.7	1493.7	0	0	0	1	1138.4	1493.7	0	0	0
2	Prins ,W (Walter)	1	1	425	0	0	0	1	1	425	0	0	0
2	Prins ,W (Walter)	1	1191.1	1616.1	0	0	0	1	1184.7	1616.1	0	0	0
3	Davids ,C (Chad)	1	1	425	0	0	0	1	1	425	0	0	0
3	Davids ,C (Chad)	1	1135.6	1560.6	0	0	0	1	1200	1560.6	0	0	0
4	Mlahleni ,O (Okuhle)	1	1	425	0	0	0	1	1	425	0	0	0
4	Mlahleni ,O (Okuhle)	1	1128.1	1553.1	0	0	0	1	1116.8	1553.1	0	0	0
5	Oosthuizen ,W (Wesley)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Oosthuizen ,W (Wesley)	1	1293.5	868.5	0	0	0	1	1290.7	868.5	0	0	0
6	Thabet ,A (Abdulmuhaimen)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Thabet ,A (Abdulmuhaimen)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Mputing ,A (Asiphile)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mputing ,A (Asiphile)	1	1079.9	1504.9	0	0	0	1	1154.8	1504.9	0	0	0
8	Varadharajan ,E (Elavarasan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Varadharajan ,E (Elavarasan)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Adams ,K (Kyron)	1	1	425	0	0	0	1	1	425	0	0	0
9	Adams ,K (Kyron)	1	843.6	1268.6	0	0	0	1	823.4	1268.6	0	0	0
10	Potgieter ,R (Rayhanna)	1	1	425	0	0	0	1	1	425	0	0	0
10	Potgieter ,R (Rayhanna)	1	1238.8	1663.8	0	0	0	1	1196	1663.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ziegers, D (Desiree)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms