Chess South Africa Ratings Database

PLAYER PAGE

Personal

Els, C (Chelsey)

Chess SA id

2130152307

FIDE id

Date of birth

2013-03-25 (U14)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1065.3

Item	Main	Standard	Rapid	Blitz
Rating	1150.3	1115.6	1199.9	1200
Raw rating	1150.3	1115.6	1199.9	1200
Weighted rating	1136.9	1109.5	1198.4	1200
Weighted performance	1046.8	0	0	0
Floor	700	700	714.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	178	187	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1255.7 2023-03-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1214.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1214.4 2024-03-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1255.7 2023-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1150.3	1115.6	1199.9	1200
Analysis
Rating	1150.3	1115.6	1199.9	1200
Raw rating	1150.3	1115.6	1199.9	1200
Weighted rating	1136.9	1109.5	1198.4
Weighted performance	1046.8	0	0
K-factor	36	36	36	36
Floor	700	700	714.4	700
Max/Min rating change allowed	178	187	165.8	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	1150.3	1115.6	1199.9	1200
New weighted rating	1138.4	1110.1	1198.3	1200
New weighted performance	1046.4	0	0	0
Temp new rating	1150.3	1115.6	1199.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1150.3	1115.6	1199.9	1200
New K-factor	36	36	36	36
New floor	700	700	714.4	700

Item	Main	Standard	Rapid
	0	0	0
	17	5	12
	13	8	5
	16	10	6
	0	0	0
	0	0	0
History	46	23	23

Games since
	Main 30	Standard 13		Rapid 17		Blitz 0
Gender	Female
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	17	7.5	44.12	-50	1237.2	1187.2
Standard	5	2	40	-85	1247.7	1162.7
Rapid	12	5.5	45.83	-35.4	1232.8	1197.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	46	18.5	40.22	-83.2	1213.7	1130.5
Standard	23	7.5	32.61	-147.8	1216	1068.2
Rapid	23	11	47.83	-18.5	1211.3	1192.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1150.3	1115.6	1199.9	1200
2025-09-01	1150.3	1115.6	1199.9	1200
2025-08-01	1150.3	1115.6	1199.9	1200
2025-07-01	1150.3	1115.6	1199.9	1200
2025-06-01	1150.3	1115.6	1199.9	1200
2025-05-01	1150.3	1115.6	1199.9	1200
2025-04-01	1150.3	1115.6	1199.9	1200
2025-03-01	1146.4	1106.3	1199.9	1200
2025-02-01	1124.4	1106.3	1199.8	1200
2025-01-01	1116.1	1097.2	1193.5	1200
2024-12-01	1116.1	1097.2	1193.5	1200
2024-11-01	1116.1	1097.2	1193.5	1200
2024-10-01	1116.1	1097.2	1193.5	1200
2024-09-01	1116.1	1097.2	1193.5	1200
2024-08-01	1116.1	1097.2	1193.5	1200
2024-07-01	1116.1	1097.2	1193.5	1200
2024-06-01	1116.1	1097.2	1193.5	1200
2024-08-01	1154.9	1146.4	1193.5	1200
2024-04-01	1154.9	1146.4	1193.5	1200
2024-03-01	1120.7	1099.6	1214.4	1200
2024-02-01	1120.7	1099.6	1214.4	1200
2024-01-01	1120.7	1099.6	1214.4	1200
2023-12-01	1120.7	1099.6	1214.4	1200
2023-11-01	1120.7	1099.6	1214.4	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	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
4	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	3	0	Yes	Analysis
5	Overberg Schools - PS Closed 2024 (U11 Girls)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
6	Overberg Schools - PS Trials Region 3 2024 (U11 Girls)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
7	Overberg Top Schools 2023 (U11)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	0.5	Yes	Analysis
8	Overberg School Chess Closed Tournament 2023 (U11 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
9	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 6	type Rapid	result 1
		Opponent Appel, S (Shune)				Opponent Beets, L (Lisa)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Tayizoni, D (Deborah)				Opponent Beyers, S (Skylar)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rabie, M (Mareza)				Opponent Erasmus, L (Lerushka)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Tayizoni, D (Deborah)				Opponent Beyers, S (Skylar)
2	1	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-03-16	rnd 5	type Standard	result 1
		Opponent November, K (Kihara)				Opponent November, K (Kihara)
3	1	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Smith, C (Celia)				Opponent Smith, C (Celia)

#	Games	Start				End
1	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 6	type Rapid	result 1
		Opponent Appel, S (Shune)				Opponent Beets, L (Lisa)
2	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rabie, M (Mareza)				Opponent Erasmus, L (Lerushka)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-01	rnd 6	type Rapid	result 0.5	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Qhina, L (Lisakhanya)				Opponent Buhr, G (Gretchen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Tayizoni, D (Deborah)				Opponent Beyers, S (Skylar)
2	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rabie, M (Mareza)				Opponent Erasmus, L (Lerushka)
3	2	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, L (Liminique)				Opponent Jansen, L (Luchay)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Tayizoni, D (Deborah)				Opponent Beyers, S (Skylar)
2	1	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-03-16	rnd 5	type Standard	result 1
		Opponent November, K (Kihara)				Opponent November, K (Kihara)
3	1	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Smith, C (Celia)				Opponent Smith, C (Celia)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rabie, M (Mareza)				Opponent Erasmus, L (Lerushka)
2	2	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 4	type Rapid	result 1
		Opponent Appel, S (Shune)				Opponent Shebani, F (Fezan)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Buhr, G (Gretchen)				Opponent Buhr, G (Gretchen)

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	Rubusana ,L (Lolothando)	4	0	-425	2	0	-425	2	0	-425	0	0	0
1	Rubusana ,L (Lolothando)	4	1242.4	817.4	2	1235.7	817.4	2	1211.4	817.4	0	0	0
2	Jansen ,L (Luchay)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Jansen ,L (Luchay)	2	1200.8	1200.8	1	1200	1625.8	1	1201.6	775.8	0	0	0
3	Van Zyl ,H (Hannah)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Van Zyl ,H (Hannah)	2	1193.3	1193.3	1	1200	1618.3	1	1260.2	768.3	0	0	0
4	Groenewald ,C (Christiaan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Groenewald ,C (Christiaan)	2	1237.4	812.4	1	1165.4	812.4	1	1228.4	812.4	0	0	0
5	Beyers ,S (Skylar)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Beyers ,S (Skylar)	2	1287.4	1287.4	1	1253.1	1712.4	1	1316	862.4	0	0	0
6	Otto ,J (Johanne)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Otto ,J (Johanne)	2	1150.1	725.1	1	1254.3	725.1	1	1140	725.1	0	0	0
7	November ,K (Kihara)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
7	November ,K (Kihara)	2	1202.9	1415.4	1	1248.9	1627.9	1	1145.6	1202.9	0	0	0
8	Du Plessis ,V (Vera)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Du Plessis ,V (Vera)	2	1250.5	825.5	1	1255.8	825.5	1	1198.8	825.5	0	0	0
9	Otto ,K (Karlien)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Otto ,K (Karlien)	1	1159.6	734.6	1	1132	734.6	0	0	0	0	0	0
10	Titus ,E (Elrick Johnwinn)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Titus ,E (Elrick Johnwinn)	1	1195.3	1195.3	1	1200	1195.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Els, C (Chelsey)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms