Chess South Africa Ratings Database

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Personal

Cosana, S (Sephesihle)

Chess SA id

2060096271

FIDE id

Date of birth

2006-06-27 (U20)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1169.2	1184	1200	1085.6
Raw rating	1169.2	1184	1200	1085.6
Weighted rating	1169.2	1184	1200	1085.6
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.3	169.6	165.8	195.2
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-01-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2018-01-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-01-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1169.2	1184	1200	1085.6
Analysis
Rating	1169.2	1184	1200	1085.6
Raw rating	1169.2	1184	1200	1085.6
Weighted rating	1169.2	1184	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.3	169.6	165.8	195.2
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	1169.2	1184	1200	1085.6
New weighted rating	1169.2	1184	1200	1085.6
New weighted performance	0	0	0	0
Temp new rating	1169.2	1184	1200	1085.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1169.2	1184	1200	1085.6
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	33	15	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	15.5	46.97	-25.8	1063	1037.2
Standard	15	8.5	56.67	56.7	1035.8	1092.5
Rapid	0	0	0	0	0	0
Blitz	18	7	38.89	-94.4	1085.6	991.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1169.2	1184	1200	1085.6
2025-09-30	1169.2	1184	1200	1085.6
2025-09-01	1169.2	1184	1200	1085.6
2025-08-01	1169.2	1184	1200	1085.6
2025-07-01	1169.2	1184	1200	1085.6
2025-06-01	1169.2	1184	1200	1085.6
2025-05-01	1169.2	1184	1200	1085.6
2025-04-01	1169.2	1184	1200	1085.6
2025-03-01	1169.2	1184	1200	1085.6
2025-02-01	1169.2	1184	1200	1085.6
2025-01-01	1169.2	1184	1200	1085.6
2024-12-01	1169.2	1184	1200	1085.6
2024-11-01	1169.2	1184	1200	1085.6
2024-10-01	1169.2	1184	1200	1085.6
2024-09-01	1169.2	1184	1200	1085.6
2024-08-01	1169.2	1184	1200	1085.6
2024-07-01	1169.2	1184	1200	1085.6
2024-09-01	1169.2	1184	1200	1085.6
2024-05-01	1169.2	1184	1200	1085.6
2024-04-01	1169.2	1184	1200	1085.6
2024-03-01	1169.2	1184	1200	1085.6
2024-02-01	1169.2	1184	1200	1085.6
2024-01-01	1169.2	1184	1200	1085.6
2023-12-01	1169.2	1184	1200	1085.6

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	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	3	2.5	Yes	Analysis
2	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	3	1	Yes	Analysis
3	Back 2 School 2019 (Blitz)	2019-01-19	2019-01-19	Blitz	West Coast (WCU)	7	6	2	Yes	Analysis
4	West Coast Open 2018 (C)	2018-04-28	2018-04-28	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
5	Freedom Day Blitz 2018 (Women)	2018-04-27	2018-04-27	Blitz	West Coast (WCU)	7	7	3	Yes	Analysis
6	West Coast Schools Prestige Individual Championship 2018 (U11 Girls)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	4	2	Yes	Analysis
7	Mykonos Blitz U8 (U10+U12)	2018-02-04	2018-02-04	Blitz	West Coast (WCU)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-10	rnd 4	type Standard	result 0.5	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Majezi, E (Elisma)				Opponent Kroukamp, N (Nicole)
2	3	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Freedom Day Blitz 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Lawrence, J (Jedidah)				Opponent Omari, A (Aicha)
3	2	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 4	type Standard	result 1	date 2018-04-28	rnd 5	type Standard	result 1
		Opponent Mangwana, A (Azile)				Opponent Xesha, A (Athobe)

#	Games	Start				End
1	3	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-10	rnd 4	type Standard	result 0.5	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Majezi, E (Elisma)				Opponent Kroukamp, N (Nicole)
2	3	Tournament West Coast Open 2018				Tournament West Coast Open 2019
		date 2018-04-28	rnd 4	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Mangwana, A (Azile)				Opponent Potwana, S (Sisi)
3	1	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 2	type Standard	result 1	date 2018-04-28	rnd 2	type Standard	result 1
		Opponent Mdutshane, Z (Zizipho)				Opponent Mdutshane, Z (Zizipho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Mykonos Blitz U8				Tournament Freedom Day Blitz 2018
		date 2018-02-04	rnd 5	type Blitz	result 0.5	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Sithole, D (Dylan)				Opponent Omari, A (Aicha)
2	1	Tournament Back 2 School 2019				Tournament Back 2 School 2019
		date 2019-01-19	rnd 6	type Blitz	result 1	date 2019-01-19	rnd 6	type Blitz	result 1
		Opponent Snyders, W (Waiden)				Opponent Snyders, W (Waiden)
3	1	Tournament Back 2 School 2019				Tournament Back 2 School 2019
		date 2019-01-19	rnd 3	type Blitz	result 1	date 2019-01-19	rnd 3	type Blitz	result 1
		Opponent Nqoloba, S (Sintsipho)				Opponent Nqoloba, S (Sintsipho)

#	Games	Start				End
1	3	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Freedom Day Blitz 2018
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Lawrence, J (Jedidah)				Opponent Omari, A (Aicha)
2	2	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Omari, A (Aicha)				Opponent Kroukamp, N (Nicole)
3	2	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 4	type Standard	result 1	date 2018-04-28	rnd 5	type Standard	result 1
		Opponent Mangwana, A (Azile)				Opponent Xesha, A (Athobe)

#	Games	Start				End
1	3	Tournament West Coast Open 2018				Tournament West Coast Open 2019
		date 2018-04-28	rnd 4	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Mangwana, A (Azile)				Opponent Potwana, S (Sisi)
2	2	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-10	rnd 5	type Standard	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Omari, A (Aicha)				Opponent Kroukamp, N (Nicole)
3	1	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 2	type Standard	result 1	date 2018-04-28	rnd 2	type Standard	result 1
		Opponent Mdutshane, Z (Zizipho)				Opponent Mdutshane, Z (Zizipho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 1	type Blitz	result 1	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Mrwetyana, P (Phumela)				Opponent Omari, A (Aicha)
2	1	Tournament Back 2 School 2019				Tournament Back 2 School 2019
		date 2019-01-19	rnd 6	type Blitz	result 1	date 2019-01-19	rnd 6	type Blitz	result 1
		Opponent Snyders, W (Waiden)				Opponent Snyders, W (Waiden)
3	1	Tournament Back 2 School 2019				Tournament Back 2 School 2019
		date 2019-01-19	rnd 3	type Blitz	result 1	date 2019-01-19	rnd 3	type Blitz	result 1
		Opponent Nqoloba, S (Sintsipho)				Opponent Nqoloba, S (Sintsipho)

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	Omari ,A (Aicha)	2	2	425	1	1	425	0	0	0	1	1	425
1	Omari ,A (Aicha)	2	1139.9	1564.9	1	1080.4	1564.9	0	0	0	1	1200	1564.9
2	Xesha ,A (Athobe)	2	1	0	1	1	425	0	0	0	1	0	-425
2	Xesha ,A (Athobe)	2	1196.4	1196.4	1	1200	1621.4	0	0	0	1	1180	771.4
3	Ndinisa ,S (Sinalo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ndinisa ,S (Sinalo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Pieters ,L (Lee-Ann)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pieters ,L (Lee-Ann)	1	500	75	1	500	75	0	0	0	0	0	0
5	Lawrence ,J (Jedidah)	1	1	425	1	1	425	0	0	0	0	0	0
5	Lawrence ,J (Jedidah)	1	523.2	948.2	1	523.2	948.2	0	0	0	0	0	0
6	Xhesa ,A (Athobe)	1	1	425	1	1	425	0	0	0	0	0	0
6	Xhesa ,A (Athobe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Lu ,DTX (Daniel Ting Xu)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lu ,DTX (Daniel Ting Xu)	1	954.8	529.8	1	936.2	529.8	0	0	0	0	0	0
8	Potwana ,S (Sisi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Potwana ,S (Sisi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Jaars ,Z (Zanalee)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Jaars ,Z (Zanalee)	1	631.1	206.1	0	0	0	0	0	0	1	500	206.1
10	Muller ,L (Lara)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Muller ,L (Lara)	1	605.6	180.6	0	0	0	0	0	0	1	605.6	180.6

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Cosana, S (Sephesihle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms