Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, L (Lenita)

Chess SA id

205086771

FIDE id

Date of birth

2005-08-15 (Adult)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1291.9	1305.6	1175.6	1110.5
Raw rating	1291.9	1305.6	1175.6	1110.5
Weighted rating	1291.2	1305.6	1175.6	1108.8
Weighted performance	847.3	919.3	0	0
Floor	847.3	841.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.5	142.7	171.7	188.4
Highest rating	1347.3 2023-01-01	1349.2 2022-12-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1347.3 2023-01-01	1341.1 2023-01-01	1200 2019-12-01	1200 2019-12-01
Highest weighted rating	1347.3 2024-06-01	1341.1 2024-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1336.5 2022-12-01	1349.2 2022-12-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1291.9	1305.6	1175.6	1110.5
Analysis
Rating	1291.9	1305.6	1175.6	1110.5
Raw rating	1291.9	1305.6	1175.6	1110.5
Weighted rating	1291.2	1305.6	1175.6
Weighted performance	847.3	919.3	0
K-factor	36	36	36	36
Floor	847.3	841.1	700	700
Max/Min rating change allowed	145.5	142.7	171.7	188.4
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	1291.9	1305.6	1175.6	1110.5
New weighted rating	1291.3	1305.6	1175.6	1109
New weighted performance	840.4	911.7	0	0
Temp new rating	1291.9	1305.6	1175.6	1110.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1291.9	1305.6	1175.6	1110.5
New K-factor	36	36	36	36
New floor	847.3	841.1	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	31	23	0	8
	54	48	0	6
	15	10	5	0
History	166	147	5	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	162	75.5	46.6	-28.9	1211.8	1182.9
Standard	143	69	48.25	-14.9	1201.8	1187
Rapid	5	2	40	-85	1331.5	1246.5
Blitz	14	4.5	32.14	-151.8	1270.7	1118.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1291.9	1305.6	1175.6	1110.5
2025-09-30	1291.9	1305.6	1175.6	1110.5
2025-09-01	1291.9	1305.6	1175.6	1110.5
2025-08-01	1291.9	1305.6	1175.6	1110.5
2025-07-01	1291.9	1305.6	1175.6	1110.5
2025-06-01	1291.9	1305.6	1175.6	1110.5
2025-05-01	1291.9	1305.6	1175.6	1110.5
2025-04-01	1291.9	1305.6	1175.6	1110.5
2025-03-01	1291.9	1305.6	1175.6	1110.5
2025-02-01	1291.9	1305.6	1175.6	1110.5
2025-01-01	1290	1305.5	1175.6	1105.6
2024-12-01	1290	1305.5	1175.6	1105.6
2024-11-01	1290	1305.5	1175.6	1105.6
2024-10-01	1290	1305.5	1175.6	1105.6
2024-09-01	1290	1305.5	1175.6	1105.6
2024-08-01	1290	1305.5	1175.6	1105.6
2024-07-01	1290	1305.5	1175.6	1105.6
2024-09-01	1290	1305.5	1175.6	1105.6
2024-05-01	1290	1305.5	1175.6	1105.6
2024-04-01	1290	1305.5	1175.6	1105.6
2024-03-01	1290	1305.5	1175.6	1105.6
2024-02-01	1290	1305.5	1175.6	1105.6
2024-01-01	1290	1305.5	1175.6	1105.6
2023-12-01	1290	1305.5	1175.6	1105.6

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	Helpmekaar Kollege Blitz Chess Invitational Sep 2023	2023-09-16	2023-09-16	Blitz	Johannesburg Metro (GJM)	9	8	2	Yes	Analysis
2	2023 Woman's Day Open Chess Tournament (Rook)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2023 Jacaranda Round Robin (E)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
4	2023 Milos Ristic Open Tournament (BC)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2023 South African Junior Closed Chess Championships (U18 Girls)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	8	3.5	Yes	Analysis
6	2022 South African Junior Wild Card Chess Championships (U18+U20 Girls)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
7	2022 South African Junior Team Chess Championships (U14-U18 Girls)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	4.5	Yes	Analysis
8	2022 South Africa Junior Blitz Chess Championships (U16+U18)	2022-12-05	2022-12-05	Blitz	4 Knights (4K)	7	6	2.5	Yes	Analysis
9	2022 Etienne Lewis (U18+U20 Open+Girls)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
10	2022 Mid Gauteng Open (C)	2022-05-07	2022-05-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	2022 Lubowski Open Tournament (C)	2022-04-09	2022-04-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
12	South African Junior Closed Chess Championships 2022 (U18 Girls)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	10	2.5	Yes	Analysis
13	2022 Gauteng Interregion (U18 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	0	0	No	Analysis
14	2022 Gauteng Interregion (U16+U18 Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
15	2022 Tshwane Chess Open Registration Tournament (C2)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
16	2021 Silver Lakes Chess Club Wednesday Rapid	2021-10-27	2021-10-27	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
17	2021 Gauteng North Open Tournament (C)	2021-08-28	2021-08-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	Ekurhuleni Chess Chessa Open 2021 (C)	2021-03-27	2021-03-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
19	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
20	2019 TC SAJCC Prep Tournament (B)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
21	2019 Etienne Lewis Trials (U16 Girls)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	6	1	Yes	Analysis
22	2019 Mid-Gauteng Open (D)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
23	2019 Jacaranda Round Robin (K)	2019-08-03	2019-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
24	2019 Swartkop Open (D)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
25	2019 Chris Greyling (C)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
26	2019 Capablanca Chess Festival (C)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	4	1	Yes	Analysis
27	2019 Tshwane Chess Registration Tournament (D)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
28	2018 Centurion Chess Club Open (D)	2018-09-29	2018-09-29	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
29	2018 Mid Gauteng Open (D)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
30	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-07	rnd 5	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Reddy, S (Siona)
2	5	Tournament Ekurhuleni Chess Chessa Open 2021				Tournament 2021 Gauteng North Open Tournament
		date 2021-03-27	rnd 4	type Standard	result 1	date 2021-08-28	rnd 3	type Standard	result 1
		Opponent Honiball, H (Heinrich)				Opponent Lodi, O (Olebogeng)
3	4	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 Tshwane Chess Registration Tournament
		date 2019-01-26	rnd 2	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Dladla, L (Luvo)				Opponent Van Rooyen, M (Marcel)

#	Games	Start				End
1	5	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-07	rnd 5	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Reddy, S (Siona)
2	5	Tournament Ekurhuleni Chess Chessa Open 2021				Tournament 2021 Gauteng North Open Tournament
		date 2021-03-27	rnd 4	type Standard	result 1	date 2021-08-28	rnd 3	type Standard	result 1
		Opponent Honiball, H (Heinrich)				Opponent Lodi, O (Olebogeng)
3	4	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 Tshwane Chess Registration Tournament
		date 2019-01-26	rnd 2	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Dladla, L (Luvo)				Opponent Van Rooyen, M (Marcel)

#	Games	Start				End
1	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 5	type Rapid	result 1	date 2021-10-27	rnd 5	type Rapid	result 1
		Opponent Botha, L (Lorelei)				Opponent Botha, L (Lorelei)
2	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 3	type Rapid	result 1	date 2021-10-27	rnd 3	type Rapid	result 1
		Opponent Fokker, CD (Christiaan Dirk)				Opponent Fokker, CD (Christiaan Dirk)

#	Games	Start				End
1	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 2	type Blitz	result 0.5	date 2022-12-05	rnd 3	type Blitz	result 1
		Opponent Scholtz, IP (Ivan Petrus)				Opponent Zimunya, T (Tumisho)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 9	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Verreiner, M (Marko)				Opponent Verreiner, M (Marko)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 6	type Blitz	result 1	date 2023-09-16	rnd 6	type Blitz	result 1
		Opponent Gwaza, D (Desire)				Opponent Gwaza, D (Desire)

#	Games	Start				End
1	5	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-07	rnd 5	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Reddy, S (Siona)
2	5	Tournament Ekurhuleni Chess Chessa Open 2021				Tournament 2021 Gauteng North Open Tournament
		date 2021-03-27	rnd 4	type Standard	result 1	date 2021-08-28	rnd 3	type Standard	result 1
		Opponent Honiball, H (Heinrich)				Opponent Lodi, O (Olebogeng)
3	4	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 Tshwane Chess Registration Tournament
		date 2019-01-26	rnd 2	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Dladla, L (Luvo)				Opponent Van Rooyen, M (Marcel)

#	Games	Start				End
1	5	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-07	rnd 5	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Mafinya, T (Thama)				Opponent Reddy, S (Siona)
2	5	Tournament Ekurhuleni Chess Chessa Open 2021				Tournament 2021 Gauteng North Open Tournament
		date 2021-03-27	rnd 4	type Standard	result 1	date 2021-08-28	rnd 3	type Standard	result 1
		Opponent Honiball, H (Heinrich)				Opponent Lodi, O (Olebogeng)
3	4	Tournament 2019 Tshwane Chess Registration Tournament				Tournament 2019 Tshwane Chess Registration Tournament
		date 2019-01-26	rnd 2	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Dladla, L (Luvo)				Opponent Van Rooyen, M (Marcel)

#	Games	Start				End
1	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 5	type Rapid	result 1	date 2021-10-27	rnd 5	type Rapid	result 1
		Opponent Botha, L (Lorelei)				Opponent Botha, L (Lorelei)
2	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 3	type Rapid	result 1	date 2021-10-27	rnd 3	type Rapid	result 1
		Opponent Fokker, CD (Christiaan Dirk)				Opponent Fokker, CD (Christiaan Dirk)

#	Games	Start				End
1	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 9	type Blitz	result 1	date 2023-09-16	rnd 9	type Blitz	result 1
		Opponent Verreiner, M (Marko)				Opponent Verreiner, M (Marko)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 6	type Blitz	result 1	date 2023-09-16	rnd 6	type Blitz	result 1
		Opponent Gwaza, D (Desire)				Opponent Gwaza, D (Desire)
3	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 7	type Blitz	result 1	date 2022-12-05	rnd 7	type Blitz	result 1
		Opponent Allen, A (Angela)				Opponent Allen, A (Angela)

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	Du Preez ,J (Julian)	5	3	85	5	3	85	0	0	0	0	0	0
1	Du Preez ,J (Julian)	5	1125.2	1210.2	5	1111.3	1210.2	0	0	0	0	0	0
2	Mouton ,J (Jacques)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Mouton ,J (Jacques)	3	1338.7	1197	3	1361	1197	0	0	0	0	0	0
3	Mafinya ,T (Thama)	3	3	425	3	3	425	0	0	0	0	0	0
3	Mafinya ,T (Thama)	3	1213.7	1638.7	3	1208.3	1638.7	0	0	0	0	0	0
4	Bothma ,L (Liandri)	3	3	425	3	3	425	0	0	0	0	0	0
4	Bothma ,L (Liandri)	3	1192.2	1617.2	3	1179.6	1617.2	0	0	0	0	0	0
5	Shaw ,A (Amy)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Shaw ,A (Amy)	3	1299.6	1157.9	3	1301.1	1157.9	0	0	0	0	0	0
6	Dvir ,J (Jordan)	3	2	141.7	2	2	425	1	0	-425	0	0	0
6	Dvir ,J (Jordan)	3	1265.8	1407.4	2	1171.1	1690.8	1	1200	840.8	0	0	0
7	Van Rooyen ,M (Marcel)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Rooyen ,M (Marcel)	2	928	1353	2	918.1	1353	0	0	0	0	0	0
8	Louw ,N (Nova)	2	1	0	2	1	0	0	0	0	0	0	0
8	Louw ,N (Nova)	2	1044.8	1044.8	2	1035.1	1044.8	0	0	0	0	0	0
9	Keyter ,ZC (Zarius Clarence)	2	1	0	2	1	0	0	0	0	0	0	0
9	Keyter ,ZC (Zarius Clarence)	2	1235.2	1235.2	2	1228.1	1235.2	0	0	0	0	0	0
10	Reddy ,S (Siona)	2	2	425	2	2	425	0	0	0	0	0	0
10	Reddy ,S (Siona)	2	1178.7	1603.7	2	1171.8	1603.7	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 (Lenita)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms