Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, L (Lilee)

Chess SA id

2070100395

FIDE id

Date of birth

2007-08-20 (U20)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-04-12

Personal details last changed

2025-05-10

Junior GPX Games

14.4

Junior GPX Points

958.7

Item	Main	Standard	Rapid	Blitz
Rating	1074.6	1081.1	1101.4	1200
Raw rating	1074.6	1081.1	1101.4	1200
Weighted rating	1070.5	1075.8	1096	1200
Weighted performance	828.2	906.5	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	198.2	196.4	190.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1074.6	1081.1	1101.4	1200
Analysis
Rating	1074.6	1081.1	1101.4	1200
Raw rating	1074.6	1081.1	1101.4	1200
Weighted rating	1070.5	1075.8	1096
Weighted performance	828.2	906.5	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	198.2	196.4	190.8	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	1074.6	1081.1	1101.4	1200
New weighted rating	1070.3	1076.2	1095.3	1200
New weighted performance	827.9	906.2	0	0
Temp new rating	1074.6	1081.1	1101.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1074.6	1081.1	1101.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	0	4
	55	41	14
	37	32	5
	17	17	0
	0	0	0
History	199	176	23

Games since
	Main 72	Standard 49		Rapid 23		Blitz 0
Gender	Female
Age group	U20
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4394		1404		173
Female	1150		344		41
U20	300		77		6
U20 Female	73		21		2
Standard
	RSA		Province		Region
Overall	4335		1518		191
Female	1142		370		49
U20	306		87		8
U20 Female	81		25		3
Rapid
	RSA		Province		Region
Overall	1884		304		42
Female	465		75		6
U20	118		16		3
U20 Female	21		4		1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	4	0	0	-425	1208.6	783.6
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1208.6	783.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	199	67.5	33.92	-136.7	1198.3	1061.6
Standard	176	64.5	36.65	-113.5	1184.7	1071.2
Rapid	23	3	13.04	-314.1	1301.8	987.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1074.6	1081.1	1101.4	1200
2025-09-01	1074.6	1081.1	1101.4	1200
2025-08-01	1074.6	1081.1	1101.4	1200
2025-07-01	1074.6	1081.1	1101.4	1200
2025-06-01	1074.6	1081.1	1101.4	1200
2025-05-01	1074.6	1081.1	1099.9	1200
2025-04-01	1080.7	1081.1	1108.4	1200
2025-03-01	1080.7	1081.1	1108.4	1200
2025-02-01	1078.5	1079.9	1103.9	1200
2025-01-01	1020.2	1039.7	1011.2	1200
2024-12-01	1036.7	1061.3	1011.2	1200
2024-11-01	1053.1	1066.9	1037.6	1200
2024-10-01	1053.1	1066.9	1066	1200
2024-09-01	1071.7	1095.7	1066	1200
2024-08-01	1049.8	1071.7	1066	1200
2024-07-01	1083.4	1071.7	1162	1200
2024-06-01	1083.4	1071.7	1162	1200
2024-08-01	1083.4	1071.7	1162	1200
2024-04-01	1062.2	1042.1	1162	1200
2024-03-01	1103	1080.9	1162	1200
2024-02-01	1103	1080.9	1162	1200
2024-01-01	1118.4	1092.9	1162	1200
2023-12-01	1118.4	1092.9	1162	1200
2023-11-01	1118.4	1092.9	1162	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	HS Overvaal Rapid 12 Apr 2025 (A)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	HS Overvaal Rapid 12 Apr 2025 (A)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	4	0	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U18 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	0	Yes	Analysis
3	Queens Gambit Chess Open 2024 (A)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	3	0.5	Yes	Analysis
4	Laerskool Midvaal Rapid 16 Nov 2024 (A+B)	2024-11-16	2024-11-16	Rapid	Sedibeng (GSV)	5	3	0	Yes	Analysis
5	Gauteng Top Schools 2024 (U19 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
6	Gauteng Schools Individuals Finals 2024 (U18 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
7	Sedibeng East D7 Teams Trials 2024 (U19)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Midvaal Winter Classic 13 July 2024 (A)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	6	0	Yes	Analysis
9	Hoerskool Overvaal Chess Open 2024 (A)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
10	Valia's Open 2024 (C)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
11	NG Kerk Vanderbijlpark Suid 2024 (A+B)	2024-02-24	2024-02-24	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
12	Laerskool Midvaal Chess Open Section 2024 (B)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U18 Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
14	Queens Gambit Chess Open 2023 (B)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
15	NWU Vaal Open 2023 (B)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
16	Dr Pieter Hangelbroek Rapid 2023 (B)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
17	Valia's Chess Tournament 2023 (C)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	Gauteng Schools D7 2023 (U18 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
19	Driehoek Open Chess Tournament 2023 (C)	2023-09-13	2023-09-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
20	Overvaal Open 2023 (C)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
21	Hoerskool Drie Riviere Open 2023 (C)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	Overvaal Open 2022 (C)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis
23	Hoerskool Overvaal 2022 (C)	2022-06-11	2022-06-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
24	LS Vryheidsmonument Chess Open 2022 (C)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
25	Lux Deo NG Kerk Chess Open 2022 (C)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
26	Carel`s Open 2020 (C)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
27	AG Visser 2020 (C)	2020-02-22	2020-02-22	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
28	Midvaal Chess Open 2020 (C)	2020-01-25	2020-01-25	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
29	2019 South African Junior Team Championships (U14B Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
30	Fonteine Ope 2019 (C)	2019-10-19	2019-10-19	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
31	GE vs GSV Inter Regional 2019 (U14A)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
32	Sedibeng Heritageday Open 2019 (B)	2019-09-24	2019-09-24	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
33	D7 Primary School League 2019 (Girls)	2019-08-03	2019-08-03	Standard	Sedibeng (GSV)	6	4	3	Yes	Analysis
34	LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (D)	2019-08-31	2019-08-31	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
35	Eureka Chess Open 2019 (F)	2019-07-27	2019-07-27	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
36	Vaal Chess Club Open 2019 (D)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
37	D7 Individuals 2019 (U13 Girls)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
38	Dirk de Koster Chess Open 2019 (D)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
39	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
40	2019 Heidelberg Open (C)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
41	2018 Gauteng League Final (U11)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
42	Broadland`s Knights Chess Open 2018 (D)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
43	D7 Primary School League 2023 (U9-U13 Girls)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Midvaal Chess Open 2020				Tournament AG Visser 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Cilliers, J (Juanita)				Opponent Meyer, AF (Anko)
2	4	Tournament D7 Individuals 2019				Tournament Vaal Chess Club Open 2019
		date 2019-05-04	rnd 5	type Standard	result 1	date 2019-06-01	rnd 3	type Standard	result 1
		Opponent Thsabalala, M (Mathabo)				Opponent Venter, J (Jano)
3	3	Tournament Carels Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Matla, K (Kemuel)				Opponent Groenewaldt, J (Joshua)

#	Games	Start				End
1	5	Tournament Midvaal Chess Open 2020				Tournament AG Visser 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Cilliers, J (Juanita)				Opponent Meyer, AF (Anko)
2	4	Tournament D7 Individuals 2019				Tournament Vaal Chess Club Open 2019
		date 2019-05-04	rnd 5	type Standard	result 1	date 2019-06-01	rnd 3	type Standard	result 1
		Opponent Thsabalala, M (Mathabo)				Opponent Venter, J (Jano)
3	3	Tournament Carels Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Matla, K (Kemuel)				Opponent Groenewaldt, J (Joshua)

#	Games	Start				End
1	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Monnig, E (Erika)				Opponent Monnig, E (Erika)
2	1	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Van Biljon, J (Jessica)				Opponent Van Biljon, J (Jessica)
3	1	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Farrell, J (Jonty)				Opponent Farrell, J (Jonty)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Midvaal Chess Open 2020				Tournament AG Visser 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Cilliers, J (Juanita)				Opponent Meyer, AF (Anko)
2	2	Tournament Hoerskool Overvaal Chess Open 2024				Tournament Hoerskool Overvaal Chess Open 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Landman, R (Reabetswe)				Opponent Lebitsa, R (Reabetswe)
3	2	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 1	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mofokeng, T (Tholloana)				Opponent Gebuza, M (Mbali)

#	Games	Start				End
1	5	Tournament Midvaal Chess Open 2020				Tournament AG Visser 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Cilliers, J (Juanita)				Opponent Meyer, AF (Anko)
2	2	Tournament Hoerskool Overvaal Chess Open 2024				Tournament Hoerskool Overvaal Chess Open 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Landman, R (Reabetswe)				Opponent Lebitsa, R (Reabetswe)
3	2	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 1	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mofokeng, T (Tholloana)				Opponent Gebuza, M (Mbali)

#	Games	Start				End
1	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Monnig, E (Erika)				Opponent Monnig, E (Erika)
2	1	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Van Biljon, J (Jessica)				Opponent Van Biljon, J (Jessica)
3	1	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Farrell, J (Jonty)				Opponent Farrell, J (Jonty)

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	Gebuza ,M (Mbali)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Gebuza ,M (Mbali)	3	1223.4	1081.7	3	1218.9	1081.7	0	0	0	0	0	0
2	Tolmay ,L (Llewellyn)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Tolmay ,L (Llewellyn)	3	1366.1	941.1	3	1361.2	941.1	0	0	0	0	0	0
3	Farrell ,J (Jonty)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
3	Farrell ,J (Jonty)	3	1296.4	1154.7	2	1214.1	871.4	1	1219.6	1721.4	0	0	0
4	Van Eyssen ,A (Arend)	3	0	-425	1	0	-425	2	0	-425	0	0	0
4	Van Eyssen ,A (Arend)	3	1270.4	845.4	1	1213.2	845.4	2	1201.4	845.4	0	0	0
5	Kemp ,J (Jowan)	2	1	0	2	1	0	0	0	0	0	0	0
5	Kemp ,J (Jowan)	2	1174.6	1174.6	2	1170.1	1174.6	0	0	0	0	0	0
6	Walsh ,K (Kayleigh)	2	1	0	2	1	0	0	0	0	0	0	0
6	Walsh ,K (Kayleigh)	2	1094.8	1094.8	2	1078.9	1094.8	0	0	0	0	0	0
7	Tolmay ,W (Walroux)	2	1	0	2	1	0	0	0	0	0	0	0
7	Tolmay ,W (Walroux)	2	1467.5	1467.5	2	1469	1467.5	0	0	0	0	0	0
8	Majola ,O (Omphile)	2	1	0	2	1	0	0	0	0	0	0	0
8	Majola ,O (Omphile)	2	1342	1342	2	1326.8	1342	0	0	0	0	0	0
9	Benson ,BB (Bernard)	2	2	425	2	2	425	0	0	0	0	0	0
9	Benson ,BB (Bernard)	2	563.5	988.5	2	566.6	988.5	0	0	0	0	0	0
10	Mokone ,O (Oratile)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Mokone ,O (Oratile)	2	1185	760	2	1180.4	760	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Merwe, L (Lilee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms