Chess South Africa Ratings Database

PLAYER PAGE

Personal

Douglas, L (Lana)

Chess SA id

2140319315

FIDE id

Date of birth

2014-10-20 (U12)

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

12.5

Junior GPX Points

1055.8

Item	Main	Standard	Rapid	Blitz
Rating	1210.6	1199.9	1197.4	1200
Raw rating	1210.6	1199.9	1188.6	1200
Weighted rating	1202.4	1199.9	1197.4	1200
Weighted performance	0	0	0	0
Floor	710.6	699.9	700	700
K-factor	36	40	36	36
Min/Max rating change allowed	163.3	165.8	168.5	165.8
Highest rating	1210.6 2025-09-01	1199.9 2025-08-01	1200 2025-05-05	1200 2025-05-05
Highest raw rating	1210.6 2025-09-01	1199.9 2025-08-01	1200 2025-05-05	1200 2025-05-05
Highest weighted rating	1200.8 2025-09-01	1199.9 2025-08-01	1200 2025-05-05	1200 2025-05-05
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	0	0	-0.8	0
New rating	1210.6	1199.9	1196.6	1200
Analysis
Rating	1210.6	1199.9	1197.4	1200
Raw rating	1210.6	1199.9	1188.6	1200
Weighted rating	1202.4	1199.9	1197.4
Weighted performance	0	0	0
K-factor	36	40	36	36
Floor	710.6	699.9	700	700
Max/Min rating change allowed	163.3	165.8	168.5	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	1210.6	1199.9	1188.6	1200
New weighted rating	1203.1	1199.9	1196.6	1200
New weighted performance	0	0	0	0
Temp new rating	1210.6	1199.9	1196.6	1200
Temp new rating +/-	0	0	-0.8	0
Final new rating +/-	0	0	-0.8	0
New rating	1210.6	1199.9	1196.6	1200
New K-factor	36	40	36	36
New floor	710.6	699.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	5	15
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	20	5	15

Games since
	Main 20	Standard 5		Rapid 15		Blitz 0
Gender	Female
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	20	9	45	-42.5	1247.7	1205.2
Standard	5	2	40	-85	1235.3	1150.3
Rapid	15	7	46.67	-28.3	1251.8	1223.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	9	45	-42.5	1247.7	1205.2
Standard	5	2	40	-85	1235.3	1150.3
Rapid	15	7	46.67	-28.3	1251.8	1223.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1210.6	1199.9	1188.6	1200
2025-09-30	1210.6	1199.9	1188.6	1200
2025-09-01	1210.6	1199.9	1188.6	1200
2025-08-01	1199.9	1199.9	1200	1200
2025-07-01	1199.9	1199.9	1200	1200
2025-06-01	1199.9	1199.9	1200	1200
2025-05-01	1199.3	1199.1	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Ekurhuleni North Schools Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Rapid	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
2	Benoni Clusters Team 2025 (U13 Girls A)	2025-08-09	2025-08-09	Rapid	Ekurhuleni (GE)	6	6	4.5	Yes	Analysis
3	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	5	0	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U11 Girls)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U13 Girls)	2025-08-16	2025-08-16	Rapid	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
2	Benoni Clusters Team 2025 (U13 Girls A)	2025-08-09	2025-08-09	Rapid	Ekurhuleni (GE)	6	6	4.5	Yes	Analysis
3	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	5	0	Yes	Analysis
4	Benoni Primary School Cluster 12 April 2025 (U11 Girls)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Rapid	result 0.5	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Modiba, L (Lethabo)				Opponent Da Silva, Z (Zachelle)
2	3	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 4	type Rapid	result 0.5	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Kloppers, H (Hayley)
3	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 2	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Mashaba, T (Tatenda)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Steyl, S (Susan)				Opponent Runganga, W (Wantida)

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Rapid	result 0.5	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Modiba, L (Lethabo)				Opponent Da Silva, Z (Zachelle)
2	3	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 4	type Rapid	result 0.5	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Kloppers, H (Hayley)
3	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 2	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Mashaba, T (Tatenda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Mwembe, R (Rachel)				Opponent Da Silva, Z (Zachelle)
2	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 5	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Mashaba, T (Tatenda)				Opponent Kloppers, H (Hayley)
3	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 2	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Mashaba, T (Tatenda)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Steyl, S (Susan)				Opponent Runganga, W (Wantida)

#	Games	Start				End
1	2	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 5	type Rapid	result 1
		Opponent Mwembe, R (Rachel)				Opponent Da Silva, Z (Zachelle)
2	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 5	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Mashaba, T (Tatenda)				Opponent Kloppers, H (Hayley)
3	2	Tournament Benoni Clusters Team 2025				Tournament Benoni Clusters Team 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 2	type Rapid	result 1
		Opponent Marx, L (Lucarli)				Opponent Mashaba, T (Tatenda)

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	Marx ,L (Lucarli)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
1	Marx ,L (Lucarli)	2	1200	1412.5	0	0	0	2	1200	1412.5	0	0	0
2	Kloppers ,H (Hayley)	2	1	0	0	0	0	2	1	0	0	0	0
2	Kloppers ,H (Hayley)	2	1211.9	1211.9	0	0	0	2	1183.3	1211.9	0	0	0
3	Mashaba ,T (Tatenda)	2	2	425	0	0	0	2	2	425	0	0	0
3	Mashaba ,T (Tatenda)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
4	Naidu ,Y (Yashika)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Naidu ,Y (Yashika)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Rossouw ,L (Lience)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Rossouw ,L (Lience)	1	1381	956	1	1357.1	956	0	0	0	0	0	0
6	Runganga ,W (Wantida)	1	1	425	1	1	425	0	0	0	0	0	0
6	Runganga ,W (Wantida)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Steyl ,S (Susan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Steyl ,S (Susan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Clark ,K (Kelsey)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Clark ,K (Kelsey)	1	1195.7	770.7	1	1200	770.7	0	0	0	0	0	0
9	De Bruyn ,R (Ricard)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	De Bruyn ,R (Ricard)	1	1348.2	923.2	0	0	0	1	1237.8	923.2	0	0	0
10	Mwembe ,R (Rachel)	1	1	425	0	0	0	1	1	425	0	0	0
10	Mwembe ,R (Rachel)	1	1165.5	1590.5	0	0	0	1	1142.6	1590.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Douglas, L (Lana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms