Chess South Africa Ratings Database

PLAYER PAGE

Personal

Scullard, S (Sienne)

Chess SA id

209076633

FIDE id

Date of birth

2009-09-01 (U18)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

WRM

Chess SA registered

Last active game

2024-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1328.1

Item	Main	Standard	Rapid	Blitz
Rating	1584.3	1595.2	1204.7	1072.1
Raw rating	1584.3	1595.2	1204.7	1072.1
Weighted rating	1561.4	1568.7	1187.5	1070.9
Weighted performance	1351.9	1416	1004.2	0
Floor	1106.5	1101.6	704.7	572.1
K-factor	28	28	36	40
Min/Max rating change allowed	95.9	94.4	164.7	199
Highest rating	1623.2 2024-09-01	1618.4 2024-09-01	1322.9 2018-05-01	1441.9 2023-09-01
Highest raw rating	1606.5 2024-10-01	1601.6 2024-10-01	1204.7 2024-11-01	1072.1 2024-03-01
Highest weighted rating	1551 2025-08-01	1556.2 2025-08-01	1204.7 2024-11-01	1072.1 2024-11-01
Highest weighted performance	1623.2 2024-09-01	1618.4 2024-09-01	1322.9 2018-05-01	1441.9 2023-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1584.3	1595.2	1204.7	1072.1
Analysis
Rating	1584.3	1595.2	1204.7	1072.1
Raw rating	1584.3	1595.2	1204.7	1072.1
Weighted rating	1561.4	1568.7	1187.5
Weighted performance	1351.9	1416	1004.2
K-factor	28	28	36	40
Floor	1106.5	1101.6	704.7	572.1
Max/Min rating change allowed	95.9	94.4	164.7	199
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	1584.3	1595.2	1204.7	1072.1
New weighted rating	1565.7	1573.9	1190.5	1071.7
New weighted performance	1351.4	1415.5	1003.8	0
Temp new rating	1584.3	1595.2	1204.7	1072.1
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1584.3	1595.2	1204.7	1072.1
New K-factor	28	28	36	40
New floor	1106.5	1101.6	704.7	572.1

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	59	49	10	0
	36	23	5	8
	27	20	7	0
	5	0	5	0
History	322	261	47	14

Games since
	Main 59	Standard 49		Rapid 10		Blitz 0
Gender	Female
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	717		264		98
Female	70		26		10
U18	104		35		10
U18 Female	11		4		2
Standard
	RSA		Province		Region
Overall	625		243		92
Female	59		23		10
U18	88		34		10
U18 Female	9		4		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	256	159	62.11	102.9	1248.2	1351.1
Standard	211	131	62.09	102.7	1231.6	1334.3
Rapid	37	21	56.76	57.4	1329.1	1386.5
Blitz	8	7	87.5	318.8	1311.2	1629.9

Date	Main	Standard	Rapid	Blitz
2025-09-30	1584.3	1595.2	1204.7	1072.1
2025-09-01	1584.3	1595.2	1204.7	1072.1
2025-08-01	1584.3	1595.2	1204.7	1072.1
2025-07-01	1584.3	1595.2	1204.7	1072.1
2025-06-01	1584.3	1595.2	1204.7	1072.1
2025-05-01	1584.3	1595.2	1204.7	1072.1
2025-04-01	1584.3	1595.2	1204.7	1072.1
2025-03-01	1584.3	1595.2	1204.7	1072.1
2025-02-01	1584.3	1595.2	1204.7	1072.1
2025-01-01	1584.3	1595.2	1204.7	1072.1
2024-12-01	1587.7	1601.6	1204.7	1072.1
2024-11-01	1587.7	1601.6	1204.7	1072.1
2024-10-01	1606.5	1601.6	1141.5	1072.1
2024-09-01	1498.4	1496.2	1141.5	1072.1
2024-08-01	1482.2	1480.5	1141.5	1072.1
2024-07-01	1482.2	1480.5	1141.5	1072.1
2024-06-01	1453.7	1451.7	1141.5	1072.1
2024-08-01	1479.3	1482.4	1141.5	1072.1
2024-04-01	1479.3	1482.4	1141.5	1072.1
2024-03-01	1479.3	1482.4	1141.5	1072.1
2024-02-01	1479.3	1482.4	1141.5	1072.1
2024-01-01	1418.9	1378.4	1141.5	1072.1
2023-12-01	1418.9	1378.4	1064.8	955.2
2023-11-01	1418.9	1378.4	1064.8	955.2

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	Gauteng Inter-Region at UJ 2024 (U16+U18 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Mzansi Summer Rapid 2024 (A)	2024-10-26	2024-10-26	Rapid	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
3	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	2024 South Africa National Schools Chess Championship (U15 Girls)	2024-09-27	2024-09-28	Standard	Nelson Mandela Bay (ENM)	7	7	6.5	Yes	Analysis
5	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
6	JMC Closed 2024 (B)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	2024 African Youth Chess Championship	2024-06-16	2024-06-22	Standard	Tshwane (GTP)	9	9	4.5	Yes	Analysis
8	South African Junior Closed Chess Championship 2024 (U16 Girls)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	5	Yes	Analysis
9	2024 Gauteng Inter-Region Chess Championship (U16 Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
10	JMC Kick Off Tournament 2024 (C)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
11	Helpmekaar Kollege Blitz Chess Invitational Sep 2023	2023-09-16	2023-09-16	Blitz	Johannesburg Metro (GJM)	9	8	7	Yes	Analysis
12	2023 Gauteng Top Schools (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
13	JMC Closed Aug 2023 (U16)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	1.5	Yes	Analysis
14	2023 SA Schools Winter Games (U15 Girls)	2023-07-04	2023-07-06	Standard	West Rand (GWR)	7	7	4.5	Yes	Analysis
15	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
16	Gauteng Schools Individual Finals 2023 (U15 Girls)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
17	JMC 2nd Trials 2022 (B)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
18	JNW Helpmekaar 2022 (Challengers)	2022-07-09	2022-07-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
19	JMC Trials 1 - Laerskool Fontainebleau 2022 (U14)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
20	World Cadets Rapid Championships 2022	2022-05-01	2022-05-02	Rapid	FIDE (FID)	9	7	0	Yes	Analysis
21	2022 Gauteng Interregion (U14 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
22	JMC Helpmekaar 2021 (U14)	2021-09-06	2021-09-06	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
23	JNW Club - Bryanston Open1 2020 (C)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
24	Chessnuts 1 - 29 February 2020 (Kings)	2020-02-29	2020-02-29	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
25	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
26	GJM vs GE Inter Region 2019 (U12A)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	2	0	Yes	Analysis
27	JNW Club - Helpmekaar Kollege Open 2019 (B)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
28	JHB Metro Closed 2019 (U12)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
29	Chessnuts Under 1200 Rated Tournament 2019 (Kings)	2019-07-13	2019-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
30	JNW Club - Hoerskool Linden 2019 (C)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
31	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
32	JNW Club - Bryanston Open 2 2019 (C)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
33	2019 South African Junior Closed Chess Championship (U10 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	5	Yes	Analysis
34	JNW Club - Trinityhouse Little Falls Open 2019 (C)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
35	Chessnuts Challenge 1 2019 (Kings)	2019-02-02	2019-02-02	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
36	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
37	Inter Region GE vs JHB Metro 2018 (U10B)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
38	2018 Gauteng League Final (U11)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
39	Chessnuts - Under 1000 Ratings Tournament 2018 (A)	2018-07-21	2018-07-21	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
40	JHB Metro Junior Closed 2018 (U10)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
41	Chessnuts Youth Day Chess Tournament 2018 (U10)	2018-06-16	2018-06-16	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
42	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
43	JNW Club - Linden Open 2018 (D)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
44	Fonties Challenge 2018 (U9)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
45	Chessnuts - Kickoff Open 2018 (D)	2018-02-09	2018-02-10	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
46	South African Junior Team Championships 2017 (U10B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis

#	Games	Start				End
1	18	Tournament JHB Metro Junior Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-29	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Mostert, M (Mj)
2	14	Tournament JMC Closed 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-11	rnd 5	type Standard	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Badenhorst, D (Daniel)				Opponent Nkosi, M (Mpilo)
3	11	Tournament Gauteng Open Arnold Classic 2023				Tournament 2023 SA Schools Winter Games
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2023-07-05	rnd 5	type Standard	result 0.5
		Opponent Ferreira, M (Marquerite)				Opponent Matima, L (Lee-Anne)

#	Games	Start				End
1	18	Tournament JHB Metro Junior Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-29	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Mostert, M (Mj)
2	14	Tournament JMC Closed 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-11	rnd 5	type Standard	result 1	date 2024-12-07	rnd 1	type Standard	result 1
		Opponent Badenhorst, D (Daniel)				Opponent Marais, J (Janike)
3	10	Tournament Gauteng Schools Individual Finals 2023				Tournament 2023 SA Schools Winter Games
		date 2023-05-27	rnd 1	type Standard	result 1	date 2023-07-05	rnd 5	type Standard	result 0.5
		Opponent Masela, L (Lethabo Bonolo)				Opponent Matima, L (Lee-Anne)

#	Games	Start				End
1	6	Tournament 2019 Super 12 Laerskole				Tournament JMC Helpmekaar 2021
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2021-09-06	rnd 3	type Rapid	result 1
		Opponent Van Staden, J (Jakobus)				Opponent Chinoruma, T (Tawana)
2	3	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Jezi, B (Bulela)				Opponent Pienaar, I (Ian)
3	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Lange, E (Emily)				Opponent De Beer, D (Daniel)

#	Games	Start				End
1	8	Tournament World Youth Blitz Championships 2022				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2022-05-03	rnd 7	type Blitz	result 1	date 2023-09-16	rnd 8	type Blitz	result 1
		Opponent Fischer Duarte Lya				Opponent Heunes, M (Morne)
2	2	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 4	type Blitz	result 1	date 2022-05-03	rnd 5	type Blitz	result 1
		Opponent Trushko Anastasia				Opponent Hajdinic Ema

#	Games	Start				End
1	18	Tournament JHB Metro Junior Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-29	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Mostert, M (Mj)
2	8	Tournament 2019 Super 12 Laerskole				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Van Staden, J (Jakobus)				Opponent Steyn, C (Corne)
3	7	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 8	type Blitz	result 1
		Opponent Vermeulen, D (Dian)				Opponent Heunes, M (Morne)

#	Games	Start				End
1	18	Tournament JHB Metro Junior Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-29	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Mostert, M (Mj)
2	7	Tournament 2019 South African Junior Closed Chess Championship				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-03-21	rnd 8	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Brink, S (Samantha)				Opponent Steyn, C (Corne)
3	6	Tournament 2024 South Africa National Schools Chess Championship				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-27	rnd 3	type Standard	result 1	date 2024-12-07	rnd 1	type Standard	result 1
		Opponent Pillay, K (Ketana)				Opponent Marais, J (Janike)

#	Games	Start				End
1	6	Tournament 2019 Super 12 Laerskole				Tournament JMC Helpmekaar 2021
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2021-09-06	rnd 3	type Rapid	result 1
		Opponent Van Staden, J (Jakobus)				Opponent Chinoruma, T (Tawana)
2	3	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Jezi, B (Bulela)				Opponent Pienaar, I (Ian)
3	3	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Lange, E (Emily)				Opponent De Beer, D (Daniel)

#	Games	Start				End
1	8	Tournament World Youth Blitz Championships 2022				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2022-05-03	rnd 7	type Blitz	result 1	date 2023-09-16	rnd 8	type Blitz	result 1
		Opponent Fischer Duarte Lya				Opponent Heunes, M (Morne)
2	2	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 4	type Blitz	result 1	date 2022-05-03	rnd 5	type Blitz	result 1
		Opponent Trushko Anastasia				Opponent Hajdinic Ema

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	Fauconier ,A (Amber)	4	2	0	4	2	0	0	0	0	0	0	0
1	Fauconier ,A (Amber)	4	1263.1	1263.1	4	1248.9	1263.1	0	0	0	0	0	0
2	Ramlall ,S (Sanjana)	4	2	0	4	2	0	0	0	0	0	0	0
2	Ramlall ,S (Sanjana)	4	1469.9	1469.9	4	1482.7	1469.9	0	0	0	0	0	0
3	Bothma ,I (Isabella)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Bothma ,I (Isabella)	3	1013.6	588.6	3	1009.3	588.6	0	0	0	0	0	0
4	Voigt ,D (Daniel)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Voigt ,D (Daniel)	3	1216.3	933	3	1204.8	933	0	0	0	0	0	0
5	Webb ,K (Kagan)	2	2	425	2	2	425	0	0	0	0	0	0
5	Webb ,K (Kagan)	2	1182.6	1607.6	2	1147.3	1607.6	0	0	0	0	0	0
6	Van Der Sandt ,I (Iliana)	2	2	425	2	2	425	0	0	0	0	0	0
6	Van Der Sandt ,I (Iliana)	2	845	1270.1	2	843.8	1270.1	0	0	0	0	0	0
7	Horn ,E (Evan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Horn ,E (Evan)	2	1341.2	916.2	2	1328.4	916.2	0	0	0	0	0	0
8	Bijker ,W (Waldo)	2	2	425	2	2	425	0	0	0	0	0	0
8	Bijker ,W (Waldo)	2	1328.3	1753.3	2	1319.9	1753.3	0	0	0	0	0	0
9	Bhika ,J (Jyotikka)	2	2	425	2	2	425	0	0	0	0	0	0
9	Bhika ,J (Jyotikka)	2	1219.2	1644.2	2	1162.1	1644.2	0	0	0	0	0	0
10	Van Der Spuy ,C (Christiaan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Van Der Spuy ,C (Christiaan)	2	910.4	910.4	2	907.5	910.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Scullard, S (Sienne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms