Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, L (Leandre)

Chess SA id

2110315338

FIDE id

Date of birth

2011-12-09 (U16)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1173	1167	1200	1200
Raw rating	1127.4	1111.4	1200	1200
Weighted rating	1173	1167	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	183.9	188.1	165.8	165.8
Highest rating	1199.9 2025-05-05	1199.9 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1199.9 2025-05-05	1199.9 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1199.9 2025-05-05	1199.9 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.6	-5.6	0	0
New rating	1168.4	1161.5	1200	1200
Analysis
Rating	1173	1167	1200	1200
Raw rating	1127.4	1111.4	1200	1200
Weighted rating	1173	1167	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	183.9	188.1	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	1127.4	1111.4	1200	1200
New weighted rating	1168.4	1161.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1168.4	1161.5	1200	1200
Temp new rating +/-	-4.6	-5.6	0	0
Final new rating +/-	-4.6	-5.6	0	0
New rating	1168.4	1161.5	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	14	2	14.29	-303.6	1250.6	947
Standard	14	2	14.29	-303.6	1250.6	947
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	2	14.29	-303.6	1250.6	947
Standard	14	2	14.29	-303.6	1250.6	947
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1127.4	1111.4	1200	1200
2025-11-30	1127.4	1111.4	1200	1200
2025-11-01	1127.4	1111.4	1200	1200
2025-09-30	1127.4	1111.4	1200	1200
2025-09-01	1127.4	1111.4	1200	1200
2025-08-01	1199.5	1199.3	1200	1200
2025-07-01	1199.2	1199	1200	1200
2025-06-01	1195.3	1194.1	1200	1200
2025-05-01	1199.9	1199.9	1200	1200
2025-04-01	1199.9	1199.9	1200	1200
2025-03-01	1199.4	1199.2	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	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	2025 Gauteng Top Schools Teams (U15 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	0	0	No	Analysis
2	Ekurhuleni North Schools Teams 2025 (U17 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
3	Ekurhuleni North Schools Teams 2025 (U15 Girls)	2025-08-15	2025-08-15	Rapid	Ekurhuleni (GE)	5	0	0	No	Analysis
4	Benoni High School Cluster 2025 (U15)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
5	Benoni High School Cluster 2025 (U15 Girls)	2025-05-09	2025-05-09	Rapid	Ekurhuleni (GE)	6	0	0	No	Analysis
6	Benoni High School Cluster 15Feb 2025 (U15 Girls)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 5	type Standard	result 0.5
		Opponent Smal, T (Tatiana)				Opponent Kotze, L (Lisa-Belle)

#	Games	Start				End
1	3	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 5	type Standard	result 0.5
		Opponent Smal, T (Tatiana)				Opponent Kotze, L (Lisa-Belle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Nduna, M (Mothego)				Opponent Nduna, M (Mothego)

#	Games	Start				End
1	1	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 15Feb 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Nduna, M (Mothego)				Opponent Nduna, M (Mothego)

No games found.

#	Games	Start				End

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	Nduna ,M (Mothego)	2	1	0	2	1	0	0	0	0	0	0	0
1	Nduna ,M (Mothego)	2	1199.8	1199.8	2	1199.7	1199.8	0	0	0	0	0	0
2	Smal ,T (Tatiana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Smal ,T (Tatiana)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Ntsimane ,B (Banele)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ntsimane ,B (Banele)	1	1278	853	1	1294.8	853	0	0	0	0	0	0
4	Chen ,J (Jianan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Chen ,J (Jianan)	1	1163.2	738.2	1	1155.1	738.2	0	0	0	0	0	0
5	Raath ,B (Browynn)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Raath ,B (Browynn)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Keet ,R (Robert)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Keet ,R (Robert)	1	1290.7	865.7	1	1265.5	865.7	0	0	0	0	0	0
7	Hingorani ,R (Ridhima)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hingorani ,R (Ridhima)	1	1455.6	1030.6	1	1451.6	1030.6	0	0	0	0	0	0
8	Ugburo ,B (Bemigho)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ugburo ,B (Bemigho)	1	1311.8	886.8	1	1304.9	886.8	0	0	0	0	0	0
9	De Ascenao ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Ascenao ,I (Isabella)	1	1177	752	1	1172.6	752	0	0	0	0	0	0
10	Breytenbach ,H (Henco)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Breytenbach ,H (Henco)	1	1200	775	1	1200	775	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

Jacobs, L (Leandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms