Chess South Africa Ratings Database

PLAYER PAGE

Personal

Reddy, S (Siona)

Chess SA id

206066516

FIDE id

Date of birth

2006-07-10 (U20)

Gender

Female

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1122.9	1102.7	968.8	561.6
Raw rating	1122.9	1102.7	968.8	561.6
Weighted rating	1122.9	1102.7	968.8	561.6
Weighted performance	748.6	693.4	0	0
Floor	721.2	711.7	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	185.1	190.5	230.5	411.8
Highest rating	1221.2 2022-05-01	1211.7 2022-05-01	1200 2018-02-01	1200 2024-03-01
Highest raw rating	1221.2 2022-05-01	1211.7 2022-05-01	968.8 2024-03-01	561.6 2024-03-01
Highest weighted rating	1221.2 2022-12-01	1211.7 2024-11-01	968.8 2024-11-01	561.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1122.9	1102.7	968.8	561.6
Analysis
Rating	1122.9	1102.7	968.8	561.6
Raw rating	1122.9	1102.7	968.8	561.6
Weighted rating	1122.9	1102.7	968.8
Weighted performance	748.6	693.4	0
K-factor	36	36	40	40
Floor	721.2	711.7	500	500
Max/Min rating change allowed	185.1	190.5	230.5	411.8
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	1122.9	1102.7	968.8	561.6
New weighted rating	1122.9	1102.7	968.8	561.6
New weighted performance	748.2	693.1	0	0
Temp new rating	1122.9	1102.7	968.8	561.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1122.9	1102.7	968.8	561.6
New K-factor	36	36	40	40
New floor	721.2	711.7	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	15	8	7
	19	19	0
	0	0	0
History	331	294	37

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	143	68.5	47.9	-17.8	1102.8	1084.9
Standard	121	55	45.45	-38.6	1100.1	1061.4
Rapid	22	13.5	61.36	96.6	1117.6	1214.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1122.9	1102.7	968.8	561.6
2025-09-01	1122.9	1102.7	968.8	561.6
2025-08-01	1122.9	1102.7	968.8	561.6
2025-07-01	1122.9	1102.7	968.8	561.6
2025-06-01	1122.9	1102.7	968.8	561.6
2025-05-01	1122.9	1102.7	968.8	561.6
2025-04-01	1122.9	1102.7	968.8	561.6
2025-03-01	1122.9	1102.7	968.8	561.6
2025-02-01	1122.9	1102.7	968.8	561.6
2025-01-01	1122.9	1102.6	968.8	561.6
2024-12-01	1122.9	1102.6	968.8	561.6
2024-11-01	1122.9	1102.6	968.8	561.6
2024-10-01	1122.9	1102.6	968.8	561.6
2024-09-01	1122.9	1102.6	968.8	561.6
2024-08-01	1122.9	1102.6	968.8	561.6
2024-07-01	1122.9	1102.6	968.8	561.6
2024-06-01	1122.9	1102.6	968.8	561.6
2024-08-01	1122.9	1102.6	968.8	561.6
2024-04-01	1122.9	1102.6	968.8	561.6
2024-03-01	1122.9	1102.6	968.8	561.6
2024-02-01	1122.9	1102.6	968.8	561.6
2024-01-01	1122.9	1102.6	968.8	561.6
2023-12-01	1122.9	1102.6	968.8	561.6
2023-11-01	1122.9	1102.6	968.8	561.6

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	2023 KZN Winter Schools Selections (U18 Girls)	2023-06-24	2023-06-24	Rapid	Ethekwini (KED)	7	7	3.5	Yes	Analysis
2	2023 South African Junior Closed Chess Championships (U18 Girls)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	8	1	Yes	Analysis
3	2022 South African Junior Wild Card Chess Championships (U18+U20 Girls)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
4	2022 South African Junior Team Chess Championships (U18 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
5	Ilembe Youth Trials 2022 (U20)	2022-04-23	2022-04-23	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
6	2019 South African Junior Team Championships (U14C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
7	Dolphin Coast Term III 2019 (Open)	2019-08-13	2019-08-13	Standard	iLembe (KIK)	5	4	1	Yes	Analysis
8	Ballito Junction Rapid Chess Challenge 2019 (Senior Primary)	2019-08-24	2019-08-24	Rapid	iLembe (KIK)	5	3	1	Yes	Analysis
9	iLembe Youth Trials 2019 (Senior Primary)	2019-07-13	2019-07-13	Standard	iLembe (KIK)	5	4	2	Yes	Analysis
10	iLembe Youth Chess Championship 2019 (U14)	2019-07-27	2019-07-27	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
11	Dolphin Coast Chess Club Term 2 2019 (Open)	2019-05-07	2019-06-04	Standard	iLembe (KIK)	5	5	3.5	Yes	Analysis
12	Centenary Chess Tournament 2019 (Senior Primary)	2019-05-11	2019-05-11	Rapid	iLembe (KIK)	6	6	4	Yes	Analysis
13	Dolphin Coast Chess Club Term 1 2019	2019-03-22	2019-03-22	Standard	iLembe (KIK)	5	5	1	Yes	Analysis
14	10th Jacob G Zuma Foundation 2018 (Open)	2018-12-07	2018-12-09	Standard	iLembe (KIK)	6	5	1	Yes	Analysis
15	South African Junior Team Championships 2018 (U14B Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
16	Ilembe Youth Closed 2018 (U14-U18)	2018-10-21	2018-10-21	Standard	iLembe (KIK)	5	4	0	Yes	Analysis
17	Dolphin Coast Club Term 3 2018	2018-08-07	2018-09-05	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
18	Ilembe Youth Trials 2 2018 (U14)	2018-07-21	2018-07-21	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
19	Umhlali Centenary Chess Rapid 2018 (Senior Primary)	2018-05-19	2018-05-19	Rapid	iLembe (KIK)	6	6	5	Yes	Analysis
20	Ilembe Schools District Trials 2018 (U13 Girls)	2018-05-12	2018-05-12	Standard	iLembe (KIK)	5	5	4	Yes	Analysis
21	Dolphin Coast Chess Club Term 2 2018 (Open)	2018-04-17	2018-05-22	Standard	iLembe (KIK)	5	3	2	Yes	Analysis
22	Ilembe Youth Trials 2018 (U14)	2018-04-14	2018-04-14	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
23	Dolphin Coast Chess Challenge 2018 (Senior Primary)	2018-04-21	2018-04-21	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
24	Kwadukuza Trials 2018 (U13 Girls)	2018-04-13	2018-04-13	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
25	Soloman Chess Tournament 2018 (Open)	2018-02-15	2018-03-14	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
26	Mama Nokukhanya Luthuli Chess Tournament 2018 (Senior Primary)	2018-03-21	2018-03-21	Standard	iLembe (KIK)	5	5	4	Yes	Analysis
27	South African Junior Team Championships 2017 (U12C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Umhlali Centenary Chess Rapid 2018				Tournament Ilembe Youth Trials 2 2018
		date 2018-05-19	rnd 1	type Rapid	result 1	date 2018-07-21	rnd 1	type Standard	result 1
		Opponent Dandala, N (Ntutuzelo)				Opponent Bothma, D (Daniel)
2	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 0.5
		Opponent Maass, J (Janco)				Opponent Williams, A (Anrico)
3	4	Tournament Dolphin Coast Chess Club Term 2 2018				Tournament Ilembe Schools District Trials 2018
		date 2018-05-08	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Zubek, H (Haydn)				Opponent Ntuli, A (Asanda)

#	Games	Start				End
1	6	Tournament Dolphin Coast Term III 2019				Tournament 2019 South African Junior Team Championships
		date 2019-08-13	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 0.5
		Opponent Ranjithlall, M (Matthew)				Opponent Williams, A (Anrico)
2	4	Tournament Dolphin Coast Chess Club Term 2 2018				Tournament Ilembe Schools District Trials 2018
		date 2018-05-08	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Zubek, H (Haydn)				Opponent Ntuli, A (Asanda)
3	4	Tournament Mama Nokukhanya Luthuli Chess Tournament 2018				Tournament Kwadukuza Trials 2018
		date 2018-03-21	rnd 4	type Standard	result 1	date 2018-04-13	rnd 2	type Standard	result 1
		Opponent Hlongwane, L (Lusanda)				Opponent Naidoo, T (Tiana)

#	Games	Start				End
1	8	Tournament Umhlali Centenary Chess Rapid 2018				Tournament Centenary Chess Tournament 2019
		date 2018-05-19	rnd 1	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Dandala, N (Ntutuzelo)				Opponent Luthuli, K (Khwezi)
2	3	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 1	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Ndaba, W (Wendy)				Opponent Dlamini, E (Esihle)
3	1	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 5	type Rapid	result 1	date 2023-06-24	rnd 5	type Rapid	result 1
		Opponent Mzizi, O (Olwethu)				Opponent Mzizi, O (Olwethu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Umhlali Centenary Chess Rapid 2018				Tournament Umhlali Centenary Chess Rapid 2018
		date 2018-05-19	rnd 1	type Rapid	result 1	date 2018-05-19	rnd 4	type Rapid	result 1
		Opponent Dandala, N (Ntutuzelo)				Opponent Mkhize, G (Gcina)
2	4	Tournament Dolphin Coast Chess Club Term 2 2018				Tournament Ilembe Schools District Trials 2018
		date 2018-05-08	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Zubek, H (Haydn)				Opponent Ntuli, A (Asanda)
3	4	Tournament Mama Nokukhanya Luthuli Chess Tournament 2018				Tournament Kwadukuza Trials 2018
		date 2018-03-21	rnd 4	type Standard	result 1	date 2018-04-13	rnd 2	type Standard	result 1
		Opponent Hlongwane, L (Lusanda)				Opponent Naidoo, T (Tiana)

#	Games	Start				End
1	4	Tournament Dolphin Coast Chess Club Term 2 2018				Tournament Ilembe Schools District Trials 2018
		date 2018-05-08	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Zubek, H (Haydn)				Opponent Ntuli, A (Asanda)
2	4	Tournament Mama Nokukhanya Luthuli Chess Tournament 2018				Tournament Kwadukuza Trials 2018
		date 2018-03-21	rnd 4	type Standard	result 1	date 2018-04-13	rnd 2	type Standard	result 1
		Opponent Hlongwane, L (Lusanda)				Opponent Naidoo, T (Tiana)
3	4	Tournament Soloman Chess Tournament 2018				Tournament Mama Nokukhanya Luthuli Chess Tournament 2018
		date 2018-03-07	rnd 4	type Standard	result 1	date 2018-03-21	rnd 2	type Standard	result 1
		Opponent Lobo, A (Abrianna)				Opponent Mzobe, S (Simphiwe)

#	Games	Start				End
1	4	Tournament Umhlali Centenary Chess Rapid 2018				Tournament Umhlali Centenary Chess Rapid 2018
		date 2018-05-19	rnd 1	type Rapid	result 1	date 2018-05-19	rnd 4	type Rapid	result 1
		Opponent Dandala, N (Ntutuzelo)				Opponent Mkhize, G (Gcina)
2	2	Tournament Centenary Chess Tournament 2019				Tournament Centenary Chess Tournament 2019
		date 2019-05-11	rnd 1	type Rapid	result 1	date 2019-05-11	rnd 2	type Rapid	result 1
		Opponent Lee, G (Giselle)				Opponent Luthuli, K (Khwezi)
3	1	Tournament 2023 KZN Winter Schools Selections				Tournament 2023 KZN Winter Schools Selections
		date 2023-06-24	rnd 5	type Rapid	result 1	date 2023-06-24	rnd 5	type Rapid	result 1
		Opponent Mzizi, O (Olwethu)				Opponent Mzizi, O (Olwethu)

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	Govender ,R (Reolan)	7	1.5	-242.9	5	1	-255	2	0.5	-212.5	0	0	0
1	Govender ,R (Reolan)	7	1187.7	944.9	5	1190.1	932.7	2	936.8	975.2	0	0	0
2	Moodliar ,K (Kamaya)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
2	Moodliar ,K (Kamaya)	5	1087.5	747.5	5	1097.4	747.5	0	0	0	0	0	0
3	Padayachee ,K (Kiegan)	4	0	-425	4	0	-425	0	0	0	0	0	0
3	Padayachee ,K (Kiegan)	4	1166.2	741.2	4	1172	741.2	0	0	0	0	0	0
4	Mkhize ,G (Gcina)	4	2	0	3	1	-141.7	1	1	425	0	0	0
4	Mkhize ,G (Gcina)	4	1163.9	1163.9	3	1216.5	1022.3	1	595.8	1588.9	0	0	0
5	Zubek ,H (Haydn)	3	3	425	3	3	425	0	0	0	0	0	0
5	Zubek ,H (Haydn)	3	744.6	1169.6	3	740.4	1169.6	0	0	0	0	0	0
6	Jacobs ,L (Lenita)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Jacobs ,L (Lenita)	2	1292.7	867.7	2	1289.4	867.7	0	0	0	0	0	0
7	Lobo ,A (Abrianna)	2	2	425	2	2	425	0	0	0	0	0	0
7	Lobo ,A (Abrianna)	2	710	1135	2	713.2	1135	0	0	0	0	0	0
8	Naidoo ,D (Deshan)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Naidoo ,D (Deshan)	2	1068.2	643.2	2	1040.1	643.2	0	0	0	0	0	0
9	September ,M (Mckenzie)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	September ,M (Mckenzie)	2	1429.3	1004.3	2	1428.7	1004.3	0	0	0	0	0	0
10	Peter ,J (Jordan)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Peter ,J (Jordan)	2	927.2	502.2	2	945.5	502.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Reddy, S (Siona)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms