Chess South Africa Ratings Database

PLAYER PAGE

Personal

Raath, L (Lisa)

Chess SA id

2100138353

FIDE id

Date of birth

2010-04-14 (U16)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1321	1225.8	1314.9	1200
Raw rating	1321	1225.8	1314.9	1200
Weighted rating	1319.6	1225.2	1313.6	1200
Weighted performance	924.3	0	964.9	0
Floor	893.8	779.5	831.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.6	159.8	140.8	165.8
Highest rating	1443.4 2023-07-01	1281.7 2023-07-01	1441.5 2022-10-01	1200 2018-10-01
Highest raw rating	1393.8 2023-08-01	1279.5 2023-08-01	1331.9 2023-07-01	1200 2024-03-01
Highest weighted rating	1393.8 2025-04-01	1279.5 2025-04-01	1331.9 2025-03-01	1200 2018-10-01
Highest weighted performance	1443.4 2023-07-01	1281.7 2023-07-01	1441.5 2022-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1321	1225.8	1314.9	1200
Analysis
Rating	1321	1225.8	1314.9	1200
Raw rating	1321	1225.8	1314.9	1200
Weighted rating	1319.6	1225.2	1313.6
Weighted performance	924.3	0	964.9
K-factor	36	36	36	36
Floor	893.8	779.5	831.9	700
Max/Min rating change allowed	139.6	159.8	140.8	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	1321	1225.8	1314.9	1200
New weighted rating	1319.7	1225.3	1313.6	1200
New weighted performance	917	0	956.9	0
Temp new rating	1321	1225.8	1314.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1321	1225.8	1314.9	1200
New K-factor	36	36	36	36
New floor	893.8	779.5	831.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	25	16	9
	15	6	9
	0	0	0
History	45	22	23

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	45	27	60	85	1229.3	1314.3
Standard	22	10.5	47.73	-19.3	1263.9	1244.5
Rapid	23	16.5	71.74	184.8	1196.2	1381
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1321	1225.8	1314.9	1200
2025-09-30	1321	1225.8	1314.9	1200
2025-09-01	1321	1225.8	1314.9	1200
2025-08-01	1321	1225.8	1314.9	1200
2025-07-01	1321	1225.8	1314.9	1200
2025-06-01	1321	1225.8	1314.9	1200
2025-05-01	1321	1225.8	1314.9	1200
2025-04-01	1321	1225.8	1314.9	1200
2025-03-01	1321	1225.8	1314.9	1200
2025-02-01	1320.4	1225.4	1314.5	1200
2025-01-01	1316.4	1224.1	1309.9	1200
2024-12-01	1316.4	1224.1	1309.9	1200
2024-11-01	1316.4	1224.1	1309.9	1200
2024-10-01	1316.4	1224.1	1309.9	1200
2024-09-01	1316.4	1224.1	1309.9	1200
2024-08-01	1316.4	1224.1	1309.9	1200
2024-07-01	1316.4	1224.1	1309.9	1200
2024-09-01	1316.4	1224.1	1309.9	1200
2024-05-01	1316.4	1224.1	1309.9	1200
2024-04-01	1316.4	1224.1	1309.9	1200
2024-03-01	1316.4	1224.1	1309.9	1200
2024-02-01	1328.7	1224.1	1331.9	1200
2024-01-01	1328.7	1224.1	1331.9	1200
2023-12-01	1328.7	1224.1	1331.9	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	Pedro Booyse Top Schools 2025 (U19)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	0	0	No	Analysis
2	Lower West Coast Top Schools 2025 (U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U19)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	0	0	No	Analysis
2	Lower West Coast Top Schools 2025 (U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	0	0	No	Analysis
3	West Coast Schools Chess Prestige Championships 2024 (U15 Girls)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	0	0	No	Analysis
4	Lower West Coast Schools Chess Prestige 2024 (U15 Girls)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
5	Western Cape Top Schools 2023 (U13 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	1	Yes	Analysis
6	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
7	Lower West Coast Top Schools Championships 2023 (U13)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
8	Western Cape PS Individuals 2023 (U13 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Lower West Coast Primary Schools Prestige Championships 2023 (U13 Girls)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
10	West Coast Schools Chess Grand Challenge 2022 (PS Development)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
11	Pedro Booyse Top Schools 2022 (U13 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	5	4	0.5	Yes	Analysis
12	Onder-Weskus Top Skole 2022 (O13 Seuns)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
13	West Coast Schools Prestige 2022 (U13 Girls)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	2	1	Yes	Analysis

#	Games	Start				End
1	10	Tournament Western Cape PS Individuals 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Jassiem, I (Iman)				Opponent Willemse, E (E-Jay)
2	10	Tournament Pedro Booyse Top Schools 2022				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2022-07-23	rnd 4	type Standard	result 0.5	date 2023-03-04	rnd 4	type Rapid	result 0.5
		Opponent Horn, M (Marshall)				Opponent Mitchells, C (Chloe)
3	3	Tournament West Coast Schools Prestige 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-06-04	rnd 2	type Rapid	result 1
		Opponent Liebenberg, E (Evangilique)				Opponent Steyn, S (Samantha)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Jassiem, I (Iman)				Opponent Willemse, E (E-Jay)
2	2	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Bredenkamp, A (Aeon)				Opponent Heynse, E (Ethan)
3	2	Tournament Pedro Booyse Top Schools 2022				Tournament Western Cape PS Individuals 2023
		date 2022-07-23	rnd 4	type Standard	result 0.5	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Horn, M (Marshall)				Opponent Thorpe, C (Claire)

#	Games	Start				End
1	9	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 0.5
		Opponent Boas, F (Fransisca)				Opponent Mitchells, C (Chloe)
2	6	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Swarts, Y (Yardley)				Opponent Pieters, E (Ester)
3	2	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 1	type Rapid	result 1	date 2022-06-04	rnd 2	type Rapid	result 1
		Opponent Adams, J (Jenito)				Opponent Steyn, S (Samantha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 2	type Rapid	result 1
		Opponent Boas, F (Fransisca)				Opponent Titus, J (Jolin)
2	6	Tournament Lower West Coast Top Schools Championships 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Swarts, Y (Yardley)				Opponent Willemse, E (E-Jay)
3	3	Tournament West Coast Schools Prestige 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-02-19	rnd 6	type Standard	result 1	date 2022-06-04	rnd 2	type Rapid	result 1
		Opponent Liebenberg, E (Evangilique)				Opponent Steyn, S (Samantha)

#	Games	Start				End
1	2	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Bredenkamp, A (Aeon)				Opponent Heynse, E (Ethan)
2	2	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Slabbert, L (Lee-Shaan)				Opponent Willemse, E (E-Jay)
3	1	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Skippers, P (Paul)				Opponent Skippers, P (Paul)

#	Games	Start				End
1	7	Tournament West Coast Schools Chess Grand Challenge 2022				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2023-03-04	rnd 2	type Rapid	result 1
		Opponent Boas, F (Fransisca)				Opponent Titus, J (Jolin)
2	6	Tournament Lower West Coast Top Schools Championships 2023				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Swarts, Y (Yardley)				Opponent Pieters, E (Ester)
3	2	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 1	type Rapid	result 1	date 2022-06-04	rnd 2	type Rapid	result 1
		Opponent Adams, J (Jenito)				Opponent Steyn, S (Samantha)

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	Skippers ,P (Paul)	2	1	0	2	1	0	0	0	0	0	0	0
1	Skippers ,P (Paul)	2	1319.1	1319.1	2	1272.1	1319.1	0	0	0	0	0	0
2	Bredenkamp ,A (Aeon)	2	2	425	1	1	425	1	1	425	0	0	0
2	Bredenkamp ,A (Aeon)	2	1190.7	1615.7	1	1200	1615.7	1	1200	1615.7	0	0	0
3	Heynse ,E (Ethan)	2	2	425	1	1	425	1	1	425	0	0	0
3	Heynse ,E (Ethan)	2	1172.1	1597.1	1	1200	1597.1	1	1184.8	1597.1	0	0	0
4	Liebenberg ,E (Evangilique)	1	1	425	1	1	425	0	0	0	0	0	0
4	Liebenberg ,E (Evangilique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Horn ,M (Marshall)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Horn ,M (Marshall)	1	1193.4	1193.4	1	1142.8	1193.4	0	0	0	0	0	0
6	Tielling ,D (Denielhio)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tielling ,D (Denielhio)	1	1207	782	1	1200	782	0	0	0	0	0	0
7	Nieuwoudt ,N (Noreht)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Nieuwoudt ,N (Noreht)	1	1489.1	1489.1	1	1478.3	1489.1	0	0	0	0	0	0
8	Van Zyl ,C (Carli)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Van Zyl ,C (Carli)	1	1477.6	1477.6	1	1436.9	1477.6	0	0	0	0	0	0
9	Willemse ,E (E-Jay)	1	1	425	1	1	425	0	0	0	0	0	0
9	Willemse ,E (E-Jay)	1	1198.8	1623.8	1	1200	1623.8	0	0	0	0	0	0
10	Smith ,S (Shiloh)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Smith ,S (Shiloh)	1	1370.9	945.9	1	1357.1	945.9	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

Raath, L (Lisa)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms