Chess South Africa Ratings Database

PLAYER PAGE

Personal

Siebert, E (Emily)

Chess SA id

2090097016

FIDE id

Date of birth

2009-08-24 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1137.9	1094.8	1199.6	1200
Raw rating	1137.9	1094.8	1199.6	1200
Weighted rating	1137.9	1094.8	1199.6	1200
Weighted performance	319.1	271.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.2	192.6	165.9	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
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	1137.9	1094.8	1199.6	1200
Analysis
Rating	1137.9	1094.8	1199.6	1200
Raw rating	1137.9	1094.8	1199.6	1200
Weighted rating	1137.9	1094.8	1199.6
Weighted performance	319.1	271.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.2	192.6	165.9	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	1137.9	1094.8	1199.6	1200
New weighted rating	1137.9	1094.8	1199.6	1200
New weighted performance	312.4	264.7	0	0
Temp new rating	1137.9	1094.8	1199.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1137.9	1094.8	1199.6	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
	0	0	0
	0	0	0
	0	0	0
History	65	49	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
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	65	27.5	42.31	-65.4	1163.4	1098
Standard	49	19.5	39.8	-86.7	1152.3	1065.5
Rapid	16	8	50	0	1197.3	1197.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1137.9	1094.8	1199.6	1200
2025-09-30	1137.9	1094.8	1199.6	1200
2025-09-01	1137.9	1094.8	1199.6	1200
2025-08-01	1137.9	1094.8	1199.6	1200
2025-07-01	1137.9	1094.8	1199.6	1200
2025-06-01	1137.9	1094.8	1199.6	1200
2025-05-01	1137.9	1094.8	1199.6	1200
2025-04-01	1137.9	1094.8	1199.6	1200
2025-03-01	1137.9	1094.8	1199.6	1200
2025-02-01	1137.9	1094.8	1199.6	1200
2025-01-01	1137.9	1094.8	1199.6	1200
2024-12-01	1137.9	1094.8	1199.6	1200
2024-11-01	1137.9	1094.8	1199.6	1200
2024-10-01	1137.9	1094.8	1199.6	1200
2024-09-01	1137.9	1094.8	1199.6	1200
2024-08-01	1137.9	1094.8	1199.6	1200
2024-07-01	1137.9	1094.8	1199.6	1200
2024-09-01	1137.9	1094.8	1199.6	1200
2024-05-01	1137.9	1094.8	1199.6	1200
2024-04-01	1137.9	1094.8	1199.6	1200
2024-03-01	1137.9	1094.8	1199.6	1200
2024-02-01	1137.9	1094.8	1199.6	1200
2024-01-01	1137.9	1094.8	1199.6	1200
2023-12-01	1137.9	1094.8	1199.6	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	2020 Metro Trials (U11 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Metro North Individual Trials 2020 (U11)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2020 Welgemoed Chess Challenge (U12)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
4	Curro Durbanville Chess Tournament 2019 (Junior)	2019-08-24	2019-08-24	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
6	Metro School Chess Closed Individual Trials 2019 (U11 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
8	District North Schools Chess Trials 2019 (U11)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	Stellenberg Youth Chess Champs 2018 (E)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
10	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
11	2018 WP Schools Closed Trials (U9 Girls)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
12	District North Schools Chess Open Trials 2018 (U9)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Metro Trials
		date 2020-02-29	rnd 5	type Rapid	result 1	date 2020-03-13	rnd 1	type Standard	result 1
		Opponent Mankomo, I (Ibukho)				Opponent Jacobs, J (Jodene)
2	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Els, A (Aiden)				Opponent Yang, C (Charng-Ai(Candice))
3	2	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Manyonga, A (Aldrine)				Opponent Tyeku, L (Likho)

#	Games	Start				End
1	2	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Manyonga, A (Aldrine)				Opponent Tyeku, L (Likho)
2	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Mqadi, O (Olethiwe)				Opponent Williamson, S (Sarah)
3	2	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 2	type Standard	result 1	date 2018-06-23	rnd 3	type Standard	result 0.5
		Opponent Lackay, L (Leane)				Opponent Crotz, K (Kirsten)

#	Games	Start				End
1	3	Tournament Welgemoed Chess Challenge 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-08-24	rnd 1	type Rapid	result 1
		Opponent Mbane, Z (Ziyanda)				Opponent Engelbrecht, C (Chelsea)
2	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Els, A (Aiden)				Opponent Yang, C (Charng-Ai(Candice))
3	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 4	type Rapid	result 1	date 2019-08-24	rnd 5	type Rapid	result 1
		Opponent De Villiers, L (Lienka)				Opponent Dreyer, M (Morgan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Metro Trials
		date 2020-02-29	rnd 5	type Rapid	result 1	date 2020-03-13	rnd 1	type Standard	result 1
		Opponent Mankomo, I (Ibukho)				Opponent Jacobs, J (Jodene)
2	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Els, A (Aiden)				Opponent Yang, C (Charng-Ai(Candice))
3	2	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Manyonga, A (Aldrine)				Opponent Tyeku, L (Likho)

#	Games	Start				End
1	2	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Manyonga, A (Aldrine)				Opponent Tyeku, L (Likho)
2	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Mqadi, O (Olethiwe)				Opponent Williamson, S (Sarah)
3	2	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 4	type Standard	result 1
		Opponent Leonard, C (Chloe)				Opponent Van Der Merwe, E (Elnochie)

#	Games	Start				End
1	3	Tournament Welgemoed Chess Challenge 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-08-24	rnd 1	type Rapid	result 1
		Opponent Mbane, Z (Ziyanda)				Opponent Engelbrecht, C (Chelsea)
2	2	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Els, A (Aiden)				Opponent Yang, C (Charng-Ai(Candice))
3	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 4	type Rapid	result 1	date 2019-08-24	rnd 5	type Rapid	result 1
		Opponent De Villiers, L (Lienka)				Opponent Dreyer, M (Morgan)

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	Johannes ,R (Relecia)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Johannes ,R (Relecia)	3	1205.1	1346.8	3	1205.2	1346.8	0	0	0	0	0	0
2	Jacobs ,S (Sumayah)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Jacobs ,S (Sumayah)	2	1154.8	729.8	2	1145.8	729.8	0	0	0	0	0	0
3	Grove ,E (Emily)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Grove ,E (Emily)	2	1169.4	744.4	2	1185.6	744.4	0	0	0	0	0	0
4	Mqadi ,O (Olethiwe)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mqadi ,O (Olethiwe)	2	1135.2	1135.2	2	1134	1135.2	0	0	0	0	0	0
5	Wilson ,E (Emma)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Wilson ,E (Emma)	1	1119.2	694.2	1	1140.8	694.2	0	0	0	0	0	0
6	Martin ,F (Faith)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Martin ,F (Faith)	1	1105.1	680.1	1	1096.7	680.1	0	0	0	0	0	0
7	Manyonga ,A (Aldrine)	1	1	425	1	1	425	0	0	0	0	0	0
7	Manyonga ,A (Aldrine)	1	1178	1603	1	1200	1603	0	0	0	0	0	0
8	Afrika ,B (Bernicia)	1	1	425	1	1	425	0	0	0	0	0	0
8	Afrika ,B (Bernicia)	1	1179.1	1604.1	1	1174.4	1604.1	0	0	0	0	0	0
9	Dunthorne ,C (Christopher)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Dunthorne ,C (Christopher)	1	1208.4	783.4	1	1200	783.4	0	0	0	0	0	0
10	Crotz ,K (Kirsten)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Crotz ,K (Kirsten)	1	1022.5	1022.5	1	846.4	1022.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Siebert, E (Emily)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms