Chess South Africa Ratings Database

PLAYER PAGE

Personal

Douglas, L (Lana)

Chess SA id

2140319315

FIDE id

Date of birth

2014-10-20 (U14)

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	1210.6	1199.9	1195.8	1200
Raw rating	1210.6	1199.9	1188.6	1200
Weighted rating	1203.9	1199.9	1195.8	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	-0.7	0
New rating	1210.6	1199.9	1195.1	1200
Analysis
Rating	1210.6	1199.9	1195.8	1200
Raw rating	1210.6	1199.9	1188.6	1200
Weighted rating	1203.9	1199.9	1195.8
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	1204.5	1199.9	1195.1	1200
New weighted performance	0	0	0	0
Temp new rating	1210.6	1199.9	1195.1	1200
Temp new rating +/-	0	0	-0.7	0
Final new rating +/-	0	0	-0.7	0
New rating	1210.6	1199.9	1195.1	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
2026-01-01	1210.6	1199.9	1188.6	1200
2025-11-30	1210.6	1199.9	1188.6	1200
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
2024-11-01	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	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

Ratings

Tournaments

Grand Prix

Statistics

Notifications

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