Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Helsdingen, L (Lene)

Chess SA id

2120134721

FIDE id

Date of birth

2012-10-03 (U14)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1142	1145	1182.2	1200
Raw rating	1142	1145	1182.2	1200
Weighted rating	1141.8	1144.7	1182.1	1200
Weighted performance	763.6	0	784.5	0
Floor	700	700	702	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.1	179.3	170.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1202 2023-07-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1202 2023-07-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1202 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1142	1145	1182.2	1200
Analysis
Rating	1142	1145	1182.2	1200
Raw rating	1142	1145	1182.2	1200
Weighted rating	1141.8	1144.7	1182.1
Weighted performance	763.6	0	784.5
K-factor	36	36	36	36
Floor	700	700	702	700
Max/Min rating change allowed	180.1	179.3	170.1	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	1142	1145	1182.2	1200
New weighted rating	1141.9	1144.8	1182.1	1200
New weighted performance	763.2	0	784	0
Temp new rating	1142	1145	1182.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1142	1145	1182.2	1200
New K-factor	36	36	36	36
New floor	700	700	702	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	6	11
	5	0	5
	15	0	15
History	37	6	31

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	West Coast (WCU)
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	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	37	15	40.54	-80.4	1195.2	1114.8
Standard	6	1.5	25	-212.5	1229.5	1017
Rapid	31	13.5	43.55	-54.8	1188.6	1133.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1142	1145	1182.2	1200
2025-09-01	1142	1145	1182.2	1200
2025-08-01	1142	1145	1182.2	1200
2025-07-01	1142	1145	1182.2	1200
2025-06-01	1142	1145	1182.2	1200
2025-05-01	1142	1145	1182.2	1200
2025-04-01	1142	1145	1182.2	1200
2025-03-01	1142	1145	1182.2	1200
2025-02-01	1142	1145	1182.2	1200
2025-01-01	1141.6	1144.4	1181.8	1200
2024-12-01	1141.6	1144.4	1181.8	1200
2024-11-01	1141.6	1144.4	1181.8	1200
2024-10-01	1141.6	1144.4	1181.8	1200
2024-09-01	1141.6	1144.4	1181.8	1200
2024-08-01	1141.6	1144.4	1181.8	1200
2024-07-01	1141.6	1144.4	1181.8	1200
2024-06-01	1141.6	1144.4	1181.8	1200
2024-08-01	1141.6	1144.4	1181.8	1200
2024-04-01	1141.6	1144.4	1181.8	1200
2024-03-01	1141.6	1144.4	1181.8	1200
2024-02-01	1141.6	1144.4	1181.8	1200
2024-01-01	1141.6	1144.4	1181.8	1200
2023-12-01	1141.6	1144.4	1181.8	1200
2023-11-01	1141.6	1144.4	1181.8	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	Pedro Booyse Top Schools Round 2 2023 (U11)	2023-08-22	2023-08-22	Rapid	West Coast (WCU)	5	1	0	Yes	Analysis
2	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
4	Bo-Weskus Skole Prestige 2023 (O11 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	Bo Weskus Skole Skaak Prestige (O11 Dogters)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
6	Western Cape Schools 2021 (U9 Girls)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	1	Yes	Analysis
7	West Coast Primary Schools Prestige 2021 (U7+U9)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
8	Upper West Coast 2021 (U9)	2021-09-04	2021-09-04	Rapid	West Coast (WCU)	6	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Scheepers, J (Jemimah)				Opponent Follet, C (Charnique)
2	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Pienaar, R (Ryan)				Opponent Van Der Merwe, C (Charl)
3	2	Tournament West Coast Primary Schools Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-18	rnd 2	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Patience, R (Regenay)				Opponent Joseph, B (Beaudan)

#	Games	Start				End
1	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 5	type Standard	result 0.5	date 2023-05-06	rnd 5	type Standard	result 0.5
		Opponent Fortuin, E (Eron)				Opponent Fortuin, E (Eron)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-05-05	rnd 3	type Standard	result 1
		Opponent Philander, J (Jadelynne)				Opponent Philander, J (Jadelynne)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Scheepers, J (Jemimah)				Opponent Follet, C (Charnique)
2	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Pienaar, R (Ryan)				Opponent Van Der Merwe, C (Charl)
3	2	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Koopman, V (Vernique)				Opponent Lukas, I (Isune)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Scheepers, J (Jemimah)				Opponent Follet, C (Charnique)
2	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Pienaar, R (Ryan)				Opponent Van Der Merwe, C (Charl)
3	2	Tournament West Coast Primary Schools Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-18	rnd 2	type Rapid	result 1	date 2021-09-18	rnd 3	type Rapid	result 1
		Opponent Patience, R (Regenay)				Opponent Joseph, B (Beaudan)

#	Games	Start				End
1	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-05-05	rnd 3	type Standard	result 1
		Opponent Philander, J (Jadelynne)				Opponent Philander, J (Jadelynne)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Scheepers, J (Jemimah)				Opponent Follet, C (Charnique)
2	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 3	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Pienaar, R (Ryan)				Opponent Van Der Merwe, C (Charl)
3	2	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Koopman, V (Vernique)				Opponent Lukas, I (Isune)

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	Engelbrecht ,J (Janke)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
1	Engelbrecht ,J (Janke)	3	1169.5	1027.9	0	0	0	3	1199.9	1027.9	0	0	0
2	Esau ,C (Chante)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Esau ,C (Chante)	2	1172.1	747.1	0	0	0	2	1155.4	747.1	0	0	0
3	De Vries ,G (Gustav)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	De Vries ,G (Gustav)	2	1231.5	806.5	0	0	0	2	1278.4	806.5	0	0	0
4	Matthys ,E (Ezekiel)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Matthys ,E (Ezekiel)	2	1200	775	0	0	0	2	1200	775	0	0	0
5	Van Der Merwe ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Der Merwe ,E (Emily)	1	1215.3	790.3	1	1225.2	790.3	0	0	0	0	0	0
6	Petersen ,B (Brionay)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Petersen ,B (Brionay)	1	1404.3	979.3	1	1428.9	979.3	0	0	0	0	0	0
7	Shapiro ,H (Hannah)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Shapiro ,H (Hannah)	1	1261.2	836.2	1	1244.3	836.2	0	0	0	0	0	0
8	Seroon ,Z (Zeeva)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Seroon ,Z (Zeeva)	1	1178.6	753.6	1	1138.4	753.6	0	0	0	0	0	0
9	Philander ,J (Jadelynne)	1	1	425	1	1	425	0	0	0	0	0	0
9	Philander ,J (Jadelynne)	1	1165.6	1590.6	1	1124.4	1590.6	0	0	0	0	0	0
10	Owies ,C (Chamica)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Owies ,C (Chamica)	1	1077.4	652.4	0	0	0	1	1113.2	652.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Helsdingen, L (Lene)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms