Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, L (Lane)

Chess SA id

2120141807

FIDE id

Date of birth

2012-12-20 (U14)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1032.5	1064.8	1069.1	1200
Raw rating	1032.5	1064.8	1069.1	1200
Weighted rating	1030.8	1062.9	1068.3	1200
Weighted performance	648.9	0	0	0
Floor	705	720.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	210.5	201	199.8	165.8
Highest rating	1205 2023-03-01	1289.8 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1205 2023-03-01	1220.4 2023-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1205 2018-10-01	1220.4 2023-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1289.8 2023-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1032.5	1064.8	1069.1	1200
Analysis
Rating	1032.5	1064.8	1069.1	1200
Raw rating	1032.5	1064.8	1069.1	1200
Weighted rating	1030.8	1062.9	1068.3
Weighted performance	648.9	0	0
K-factor	36	36	36	36
Floor	705	720.4	700	700
Max/Min rating change allowed	210.5	201	199.8	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	1032.5	1064.8	1069.1	1200
New weighted rating	1031	1063.2	1068.4	1200
New weighted performance	643.2	0	0	0
Temp new rating	1032.5	1064.8	1069.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1032.5	1064.8	1069.1	1200
New K-factor	36	36	36	36
New floor	705	720.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	22	16	6
	19	0	19
	0	0	0
History	41	16	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	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	41	13	31.71	-155.5	1186.9	1031.4
Standard	16	4	25	-212.5	1188.1	975.6
Rapid	25	9	36	-119	1186.1	1067.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1032.5	1064.8	1069.1	1200
2025-09-30	1032.5	1064.8	1069.1	1200
2025-09-01	1032.5	1064.8	1069.1	1200
2025-08-01	1032.5	1064.8	1069.1	1200
2025-07-01	1032.5	1064.8	1069.1	1200
2025-06-01	1032.5	1064.8	1069.1	1200
2025-05-01	1032.5	1064.8	1069.1	1200
2025-04-01	1032.5	1064.8	1069.1	1200
2025-03-01	1032.5	1064.8	1069.1	1200
2025-02-01	1032.5	1064.8	1069.1	1200
2025-01-01	1027.6	1059.5	1066.8	1200
2024-12-01	1027.6	1059.5	1066.8	1200
2024-11-01	1027.6	1059.5	1066.8	1200
2024-10-01	1027.6	1059.5	1066.8	1200
2024-09-01	1027.6	1059.5	1066.8	1200
2024-08-01	1027.6	1059.5	1066.8	1200
2024-07-01	1027.6	1059.5	1066.8	1200
2024-09-01	1027.6	1059.5	1066.8	1200
2024-05-01	1027.6	1059.5	1066.8	1200
2024-04-01	1027.6	1059.5	1066.8	1200
2024-03-01	1027.6	1059.5	1066.8	1200
2024-02-01	1027.6	1059.5	1066.8	1200
2024-01-01	1027.6	1059.5	1066.8	1200
2023-12-01	1027.6	1059.5	1066.8	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	3rd BC Trials 2023 (U14B)	2023-08-12	2023-08-12	Standard	Buffalo City (EBC)	5	3	0	Yes	Analysis
2	3rd BC Trials 2023 (U12A)	2023-08-12	2023-08-12	Standard	Buffalo City (EBC)	5	3	0	Yes	Analysis
3	2nd BC Trials 2023 (U12A)	2023-06-03	2023-06-03	Rapid	Buffalo City (EBC)	7	6	0	Yes	Analysis
4	BC Chess Trials 1 of 5 2023 (U12B)	2023-04-22	2023-04-22	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
5	2nd Little Vikings 2023 (U12B)	2023-02-23	2023-02-23	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
6	Slum Knights 2nd Open 2022 (C)	2022-09-17	2022-09-17	Rapid	Buffalo City (EBC)	6	6	3	Yes	Analysis
7	BC Chess Trials 5 of 5 2022 (C)	2022-06-11	2022-06-11	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
8	BC Chess 4th Border Trials 2022 (C)	2022-05-21	2022-05-21	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament BC Chess Trials 5 of 5 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-06-11	rnd 3	type Rapid	result 0.5	date 2022-09-17	rnd 1	type Rapid	result 0.5
		Opponent Kriel, A (Anais)				Opponent Petschel, M (Martin)
2	5	Tournament Slum Knights 2nd Open 2022				Tournament 2nd Little Vikings 2023
		date 2022-09-17	rnd 5	type Rapid	result 0.5	date 2023-02-23	rnd 3	type Standard	result 1
		Opponent Hannan, T (Troy)				Opponent John, A (Aiden)
3	2	Tournament BC Chess 4th Border Trials 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-05-21	rnd 6	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 0.5
		Opponent Mivuyo, V (Vutula)				Opponent Basson, Z (Zachary)

#	Games	Start				End
1	3	Tournament 2nd Little Vikings 2023				Tournament 2nd Little Vikings 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-02-23	rnd 3	type Standard	result 1
		Opponent Hallam, S (Samkelisiwe)				Opponent John, A (Aiden)
2	1	Tournament BC Chess Trials 1 of 5 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent David, T (Thimna)				Opponent David, T (Thimna)

#	Games	Start				End
1	6	Tournament BC Chess Trials 5 of 5 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-06-11	rnd 3	type Rapid	result 0.5	date 2022-09-17	rnd 1	type Rapid	result 0.5
		Opponent Kriel, A (Anais)				Opponent Petschel, M (Martin)
2	2	Tournament Slum Knights 2nd Open 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-09-17	rnd 5	type Rapid	result 0.5	date 2022-09-17	rnd 6	type Rapid	result 1
		Opponent Hannan, T (Troy)				Opponent Van Daalen, M (Marlo)
3	2	Tournament BC Chess 4th Border Trials 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-05-21	rnd 6	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 0.5
		Opponent Mivuyo, V (Vutula)				Opponent Basson, Z (Zachary)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Slum Knights 2nd Open 2022				Tournament 2nd Little Vikings 2023
		date 2022-09-17	rnd 6	type Rapid	result 1	date 2023-02-23	rnd 3	type Standard	result 1
		Opponent Van Daalen, M (Marlo)				Opponent John, A (Aiden)
2	1	Tournament BC Chess Trials 1 of 5 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent David, T (Thimna)				Opponent David, T (Thimna)
3	1	Tournament Slum Knights 2nd Open 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-09-17	rnd 3	type Rapid	result 1	date 2022-09-17	rnd 3	type Rapid	result 1
		Opponent Scheeld, L (Liam)				Opponent Scheeld, L (Liam)

#	Games	Start				End
1	3	Tournament 2nd Little Vikings 2023				Tournament 2nd Little Vikings 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-02-23	rnd 3	type Standard	result 1
		Opponent Hallam, S (Samkelisiwe)				Opponent John, A (Aiden)
2	1	Tournament BC Chess Trials 1 of 5 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent David, T (Thimna)				Opponent David, T (Thimna)

#	Games	Start				End
1	1	Tournament Slum Knights 2nd Open 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-09-17	rnd 6	type Rapid	result 1	date 2022-09-17	rnd 6	type Rapid	result 1
		Opponent Van Daalen, M (Marlo)				Opponent Van Daalen, M (Marlo)
2	1	Tournament Slum Knights 2nd Open 2022				Tournament Slum Knights 2nd Open 2022
		date 2022-09-17	rnd 3	type Rapid	result 1	date 2022-09-17	rnd 3	type Rapid	result 1
		Opponent Scheeld, L (Liam)				Opponent Scheeld, L (Liam)
3	1	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 6	type Rapid	result 1	date 2022-06-11	rnd 6	type Rapid	result 1
		Opponent Jagers, N (Noah)				Opponent Jagers, N (Noah)

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	Balfour ,O (Omeleza)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Balfour ,O (Omeleza)	2	1225.4	800.4	1	1234.4	800.4	1	1200	800.4	0	0	0
2	Dyani ,I (Isivile)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Dyani ,I (Isivile)	2	1198.9	773.9	1	1200	773.9	1	1200	773.9	0	0	0
3	Thulo ,K (Kananelo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Thulo ,K (Kananelo)	2	1113.4	688.4	1	1093.2	688.4	1	1200	688.4	0	0	0
4	Hallam ,S (Samkelisiwe)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Hallam ,S (Samkelisiwe)	2	1141.6	1141.6	1	1200	1566.6	1	1200	716.6	0	0	0
5	Hastie ,D (Deewin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Hastie ,D (Deewin)	2	1203.2	778.2	1	1200	778.2	1	1200	778.2	0	0	0
6	Khandoo ,N (Nilan)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
6	Khandoo ,N (Nilan)	2	1225.9	1013.4	0	0	0	2	1224.5	1013.4	0	0	0
7	Van Daalen ,M (Marlo)	2	2	425	0	0	0	2	2	425	0	0	0
7	Van Daalen ,M (Marlo)	2	1151.8	1576.8	0	0	0	2	1126	1576.8	0	0	0
8	Kriel ,A (Anais)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
8	Kriel ,A (Anais)	2	1191.2	978.7	0	0	0	2	1180	978.7	0	0	0
9	Moyo ,M (Mihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Moyo ,M (Mihle)	1	1174.1	749.1	1	1176	749.1	0	0	0	0	0	0
10	Fourie ,Z (Zion)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Fourie ,Z (Zion)	1	1215	790	1	1216.8	790	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Merwe, L (Lane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms