Chess South Africa Ratings Database

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Personal

Jansen, L (Lumay)

Chess SA id

2120159412

FIDE id

Date of birth

2012-11-01 (U14)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

17.5

Junior GPX Points

1202.5

Item	Main	Standard	Rapid	Blitz
Rating	1323.1	1235.7	1385	1200
Raw rating	1322.3	1235.7	1385	1200
Weighted rating	1249.9	1221.3	1287.2	1200
Weighted performance	1323.1	0	0	0
Floor	822.3	741.4	885	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.3	157.6	127.4	165.8
Highest rating	1336.9 2025-09-01	1292.1 2024-08-01	1385 2025-09-01	1200 2018-10-01
Highest raw rating	1322.3 2025-09-01	1241.4 2024-09-01	1385 2025-09-01	1200 2024-03-01
Highest weighted rating	1241.8 2025-09-01	1241.4 2018-10-01	1277.8 2025-09-01	1200 2018-10-01
Highest weighted performance	1336.9 2025-09-01	1292.1 2024-08-01	1361 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1322.6	1235.7	1385	1200
Analysis
Rating	1323.1	1235.7	1385	1200
Raw rating	1322.3	1235.7	1385	1200
Weighted rating	1249.9	1221.3	1287.2
Weighted performance	1323.1	0	0
K-factor	36	36	36	36
Floor	822.3	741.4	885	700
Max/Min rating change allowed	139.3	157.6	127.4	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	1322.3	1235.7	1385	1200
New weighted rating	1257.6	1224	1296.2	1200
New weighted performance	1322.6	0	0	0
Temp new rating	1322.6	1235.7	1385	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1322.6	1235.7	1385	1200
New K-factor	36	36	36	36
New floor	822.3	741.4	885	700

Item	Main	Standard	Rapid
	0	0	0
	23	12	11
	6	6	0
	15	6	9
	0	0	0
	0	0	0
History	44	24	20

Games since
	Main 29	Standard 18		Rapid 11		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	23	15	65.22	129.3	1260.7	1390.1
Standard	12	5	41.67	-70.8	1305.4	1234.6
Rapid	11	10	90.91	347.7	1212	1559.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	26.5	60.23	86.9	1248.5	1335.5
Standard	24	11.5	47.92	-17.7	1264.4	1246.7
Rapid	20	15	75	212.5	1229.4	1441.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1322.3	1235.7	1385	1200
2025-09-01	1322.3	1235.7	1385	1200
2025-08-01	1256.5	1235.7	1288.6	1200
2025-07-01	1256.5	1235.7	1288.6	1200
2025-06-01	1256.5	1235.7	1288.6	1200
2025-05-01	1254.1	1224.8	1288.6	1200
2025-04-01	1254.1	1224.8	1288.6	1200
2025-03-01	1267.9	1241.4	1288.6	1200
2025-02-01	1246.4	1241.4	1252.2	1200
2025-01-01	1246.4	1241.4	1252.2	1200
2024-12-01	1246.4	1241.4	1252.2	1200
2024-11-01	1246.4	1241.4	1252.2	1200
2024-10-01	1246.4	1241.4	1252.2	1200
2024-09-01	1246.4	1241.4	1252.2	1200
2024-08-01	1177.4	1154.6	1252.2	1200
2024-07-01	1177.4	1154.6	1252.2	1200
2024-06-01	1177.4	1154.6	1252.2	1200
2024-08-01	1177.4	1154.6	1252.2	1200
2024-04-01	1177.4	1154.6	1252.2	1200
2024-03-01	1177.4	1154.6	1252.2	1200
2024-02-01	1177.4	1154.6	1252.2	1200
2024-01-01	1177.4	1154.6	1252.2	1200
2023-12-01	1177.4	1154.6	1252.2	1200
2023-11-01	1177.4	1154.6	1252.2	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 (U13 Girls)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	6	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	West Coast Schools Chess Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	Upper West Coast Presrige 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U13 Girls)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	6	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
3	West Coast Schools Chess Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	Upper West Coast Presrige 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	Pedro Booyse Top Schools Championships 2024 (U13 Girls)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	6	6	5.5	Yes	Analysis
6	Western Cape Top Schools 2023 (U11 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
7	Pedro Booyse Top Schools Round 2 2023 (U11)	2023-08-22	2023-08-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
8	Pedro Booyse Top Schools 2023 (U11)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape Top Schools 2023				Tournament Upper West Coast Presrige 2025
		date 2023-09-03	rnd 6	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Barkhuysen, A (Ankia)				Opponent Tieties, P (Pearl)
2	6	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Williams, L (Lee-Shaan)				Opponent Sterkste, A (Angelique)
3	3	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Steyn, S (Samantha)

#	Games	Start				End
1	7	Tournament Western Cape Top Schools 2023				Tournament Pedro Booyse Top Schools Championships 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-07-20	rnd 6	type Standard	result 1
		Opponent Barkhuysen, A (Ankia)				Opponent Hendricks, T (Tamia)
2	3	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Steyn, S (Samantha)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Klopper, E (Elzaan)

#	Games	Start				End
1	8	Tournament Upper West Coast Presrige 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Sterkste, A (Angelique)
2	3	Tournament Pedro Booyse Top Schools Round 2 2023				Tournament Pedro Booyse Top Schools Round 2 2023
		date 2023-08-22	rnd 2	type Rapid	result 1	date 2023-08-22	rnd 4	type Rapid	result 1
		Opponent Kleynhans, M (Miecke)				Opponent Fortuin, T (Tashnic)
3	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Van Wyk, D (Deslovienne)				Opponent Tieties, P (Pearl)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Williams, L (Lee-Shaan)				Opponent Sterkste, A (Angelique)
2	4	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Upper West Coast Presrige 2025
		date 2024-07-20	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Jantjies, Z (Zoey)				Opponent Tieties, P (Pearl)
3	4	Tournament Western Cape Top Schools 2023				Tournament Pedro Booyse Top Schools Championships 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Barkhuysen, A (Ankia)				Opponent Kruger, J (Jamie Leigh)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2023				Tournament Pedro Booyse Top Schools Championships 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Barkhuysen, A (Ankia)				Opponent Kruger, J (Jamie Leigh)
2	3	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Steyn, S (Samantha)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Van Zyl, L (Lisa)				Opponent Klopper, E (Elzaan)

#	Games	Start				End
1	8	Tournament Upper West Coast Presrige 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Sterkste, A (Angelique)
2	3	Tournament Pedro Booyse Top Schools Round 2 2023				Tournament Pedro Booyse Top Schools Round 2 2023
		date 2023-08-22	rnd 2	type Rapid	result 1	date 2023-08-22	rnd 4	type Rapid	result 1
		Opponent Kleynhans, M (Miecke)				Opponent Fortuin, T (Tashnic)
3	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Van Wyk, D (Deslovienne)				Opponent Tieties, P (Pearl)

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	Arries ,G (Geroneeze)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Arries ,G (Geroneeze)	2	1125.7	1338.2	2	1042.8	1338.2	0	0	0	0	0	0
2	Jantjies ,Z (Zoey)	2	2	425	2	2	425	0	0	0	0	0	0
2	Jantjies ,Z (Zoey)	2	1115	1540	2	1200	1540	0	0	0	0	0	0
3	Joseph ,N (Nashadine)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Joseph ,N (Nashadine)	2	1198.8	773.8	1	1125.1	773.8	1	1249.3	773.8	0	0	0
4	Williams ,L (Lee-Shaan)	2	2	425	0	0	0	2	2	425	0	0	0
4	Williams ,L (Lee-Shaan)	2	1199.6	1624.6	0	0	0	2	1199.8	1624.6	0	0	0
5	Kleynhans ,M (Miecke)	2	2	425	0	0	0	2	2	425	0	0	0
5	Kleynhans ,M (Miecke)	2	1232	1657	0	0	0	2	1216.6	1657	0	0	0
6	Benjamin ,E (Entwan)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Benjamin ,E (Entwan)	2	1265.8	840.8	0	0	0	2	1292.1	840.8	0	0	0
7	Isaacs ,C (Clint Lee)	2	2	425	0	0	0	2	2	425	0	0	0
7	Isaacs ,C (Clint Lee)	2	1248.2	1673.2	0	0	0	2	1305.8	1673.2	0	0	0
8	Bester ,C (Cady Erin Lamar)	2	2	425	0	0	0	2	2	425	0	0	0
8	Bester ,C (Cady Erin Lamar)	2	1172	1597	0	0	0	2	1164.8	1597	0	0	0
9	Sterkste ,A (Angelique)	2	2	425	0	0	0	2	2	425	0	0	0
9	Sterkste ,A (Angelique)	2	1416.4	1841.4	0	0	0	2	1362	1841.4	0	0	0
10	Hendricks ,T (Tamia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hendricks ,T (Tamia)	1	1199	1624	1	1172	1624	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jansen, L (Lumay)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms