Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chen, E (Emily)

Chess SA id

2090100904

FIDE id

Date of birth

2009-08-29 (U18)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1377.8

Item	Main	Standard	Rapid	Blitz
Rating	1255.7	1233.9	1242.8	1200
Raw rating	1255.7	1233.9	1242.8	1200
Weighted rating	1203	1154.8	1241.5	1200
Weighted performance	1171.8	1146.9	0	0
Floor	755.7	733.9	742.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.2	158	156	165.8
Highest rating	1255.7 2025-09-30	1233.9 2025-09-30	1298.4 2024-03-01	1200 2018-10-01
Highest raw rating	1255.7 2025-09-30	1233.9 2025-09-30	1242.8 2024-04-01	1200 2024-03-01
Highest weighted rating	1241.3 2018-02-01	1214.8 2018-02-01	1239 2025-08-01	1200 2018-10-01
Highest weighted performance	1241.3 2025-06-01	1214.8 2018-02-01	1298.4 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1255.7	1233.9	1242.8	1200
Analysis
Rating	1255.7	1233.9	1242.8	1200
Raw rating	1255.7	1233.9	1242.8	1200
Weighted rating	1203	1154.8	1241.5
Weighted performance	1171.8	1146.9	0
K-factor	36	36	36	36
Floor	755.7	733.9	742.8	700
Max/Min rating change allowed	153.2	158	156	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	1255.7	1233.9	1242.8	1200
New weighted rating	1209.7	1163.9	1242	1200
New weighted performance	1164	1139.3	0	0
Temp new rating	1255.7	1233.9	1242.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1255.7	1233.9	1242.8	1200
New K-factor	36	36	36	36
New floor	755.7	733.9	742.8	700

Item	Main	Standard	Rapid
	0	0	0
	13	13	0
	30	15	15
	0	0	0
	0	0	0
	0	0	0
History	71	56	15

Games since
	Main 43	Standard 28		Rapid 15		Blitz 0
Gender	Female
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	3672		71		54
Female	814		12		11
U18	549		17		15
U18 Female	100		2		2
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	13	9.5	73.08	196.2	1190.8	1386.9
Standard	13	9.5	73.08	196.2	1190.8	1386.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	71	35	49.3	-6	1131.3	1125.3
Standard	56	26.5	47.32	-22.8	1108.8	1086
Rapid	15	8.5	56.67	56.7	1215.2	1271.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1255.7	1233.9	1242.8	1200
2025-09-30	1255.7	1233.9	1242.8	1200
2025-09-01	1241.3	1214.8	1242.8	1200
2025-08-01	1241.3	1214.8	1242.8	1200
2025-07-01	1241.3	1214.8	1242.8	1200
2025-06-01	1241.3	1214.8	1242.8	1200
2025-05-01	1198.4	1146.3	1242.8	1200
2025-04-01	1198.4	1146.3	1242.8	1200
2025-03-01	1198.4	1146.3	1242.8	1200
2025-02-01	1169.1	1094	1242.8	1200
2025-01-01	1169.1	1094	1242.8	1200
2024-12-01	1169.1	1094	1242.8	1200
2024-11-01	1169.1	1094	1242.8	1200
2024-10-01	1169.1	1094	1242.8	1200
2024-09-01	1169.1	1094	1242.8	1200
2024-08-01	1169.1	1094	1242.8	1200
2024-07-01	1169.1	1094	1242.8	1200
2024-09-01	1169.1	1094	1242.8	1200
2024-05-01	1156.4	1068	1242.8	1200
2024-04-01	1137.5	1045.2	1242.8	1200
2024-03-01	1071.4	1045.2	1207.9	1200
2024-02-01	1052.8	1040.8	1200	1200
2024-01-01	1052.8	1040.8	1200	1200
2023-12-01	1052.8	1040.8	1200	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	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	3	2	Yes	Analysis
2	National All Girls' Festival 2025	2025-04-28	2025-04-30	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	3	2	Yes	Analysis
2	National All Girls' Festival 2025	2025-04-28	2025-04-30	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
4	Mangaung Metro Chess 10-11 May 2024 (B)	2024-05-10	2024-05-11	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
5	Mangaung Metro Chess 12-13 April 2024 (B)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Bloemfontein Highschool League 2024 (U17A)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Mangaung Metro Chess 9 March 2024 (Ladies)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
9	Bloemfontein High School League 16 February 2024 (U17A)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
10	Mangaung Metro Chess October 2019 (D)	2019-10-11	2019-10-12	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
11	Courteney Page 2019 (E)	2019-09-06	2019-09-07	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
12	Mangaung Metro Chess 16-17 August 2019 (E)	2019-08-16	2019-08-17	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
13	Mangaung Metro Chess 18-19 January 2019 (D)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
14	Mangaung Metro Chess 1-2 June 2018 (E)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
15	Mangaung Metro Chess 20-21 April 2018 (E)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2025				Tournament National All Girls' Festival 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-04-29	rnd 3	type Standard	result 1
		Opponent Jama, T (Thandiwe)				Opponent Duri, DR (Dion Ruvarashe)
2	4	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Maass, T (Tanya)				Opponent Olivier, R (Riley)
3	3	Tournament National All Girls' Festival 2025				Tournament Bloemfontein Highchool Chess Teams Aug 2025
		date 2025-04-30	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Aboagye-Debrah, N (Nana Adwa Adowaa)				Opponent Govender, K (Keion)

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2025				Tournament National All Girls' Festival 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-04-29	rnd 3	type Standard	result 1
		Opponent Jama, T (Thandiwe)				Opponent Duri, DR (Dion Ruvarashe)
2	3	Tournament Courteney Page 2019				Tournament Courteney Page 2019
		date 2019-09-06	rnd 1	type Standard	result 0.5	date 2019-09-07	rnd 3	type Standard	result 1
		Opponent Geyser, H (Heinrich)				Opponent Maritz, J (Jandre)
3	3	Tournament Mangaung Metro Chess 16-17 August 2019				Tournament Mangaung Metro Chess 16-17 August 2019
		date 2019-08-16	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Beelders, K (Kyra)				Opponent Finger, T (Tsebo)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Maass, T (Tanya)				Opponent Maass, A (Ane)
2	2	Tournament Bloemfontein Highschool League 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Masisi, T (Tshiamo)				Opponent Moosa, S (Saarah Bibi)
3	2	Tournament Bloemfontein High School League 16 February 2024				Tournament Bloemfontein High School League 16 February 2024
		date 2024-02-16	rnd 2	type Rapid	result 1	date 2024-02-16	rnd 3	type Rapid	result 0.5
		Opponent Jacobs, L (Luciano)				Opponent Etsebeth, T (Tristan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-04-12	rnd 1	type Standard	result 1
		Opponent Maass, T (Tanya)				Opponent Olivier, R (Riley)
2	3	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 1	type Standard	result 1	date 2025-04-29	rnd 3	type Standard	result 1
		Opponent Dhiya�, N (Nirmal)				Opponent Duri, DR (Dion Ruvarashe)
3	3	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Jama, T (Thandiwe)				Opponent Madyo, T (Thami)

#	Games	Start				End
1	3	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 1	type Standard	result 1	date 2025-04-29	rnd 3	type Standard	result 1
		Opponent Dhiya�, N (Nirmal)				Opponent Duri, DR (Dion Ruvarashe)
2	3	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Jama, T (Thandiwe)				Opponent Madyo, T (Thami)
3	3	Tournament Mangaung Metro Chess 16-17 August 2019				Tournament Mangaung Metro Chess 16-17 August 2019
		date 2019-08-16	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Beelders, K (Kyra)				Opponent Finger, T (Tsebo)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Maass, T (Tanya)				Opponent Maass, A (Ane)
2	2	Tournament Bloemfontein Highschool League 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Masisi, T (Tshiamo)				Opponent Moosa, S (Saarah Bibi)
3	1	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-03-08	rnd 3	type Rapid	result 1	date 2024-03-08	rnd 3	type Rapid	result 1
		Opponent Siyoko, B (Bonakele)				Opponent Siyoko, B (Bonakele)

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	Beelders ,K (Kyra)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Beelders ,K (Kyra)	3	891.1	749.4	3	825	749.4	0	0	0	0	0	0
2	Boje ,E (Ewald)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Boje ,E (Ewald)	3	910.3	485.3	3	855.8	485.3	0	0	0	0	0	0
3	Geyser ,H (Heinrich)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Geyser ,H (Heinrich)	2	1009.3	796.8	2	1000.4	796.8	0	0	0	0	0	0
4	Herbst ,D (Danielle)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Herbst ,D (Danielle)	2	1121.2	696.2	2	1105.3	696.2	0	0	0	0	0	0
5	Townsend ,J (Jude-Ryan)	2	2	425	2	2	425	0	0	0	0	0	0
5	Townsend ,J (Jude-Ryan)	2	1179.2	1604.2	2	1185.2	1604.2	0	0	0	0	0	0
6	Mohobane ,L (Lebajoa)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Mohobane ,L (Lebajoa)	2	1313.1	888.1	1	1309.9	888.1	1	1293.8	888.1	0	0	0
7	Jacobs ,L (Luciano)	2	1	0	0	0	0	2	1	0	0	0	0
7	Jacobs ,L (Luciano)	2	1239.3	1239.3	0	0	0	2	1277.1	1239.3	0	0	0
8	Olivier ,R (Riley)	1	1	425	1	1	425	0	0	0	0	0	0
8	Olivier ,R (Riley)	1	1249.1	1674.1	1	1170.1	1674.1	0	0	0	0	0	0
9	Mngonyama ,C (Cwenga)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Mngonyama ,C (Cwenga)	1	1087.4	1087.4	1	1079.8	1087.4	0	0	0	0	0	0
10	Maritz ,J (Jandre)	1	1	425	1	1	425	0	0	0	0	0	0
10	Maritz ,J (Jandre)	1	1240.4	1665.4	1	1248.4	1665.4	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

Chen, E (Emily)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms