Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Bruyn, L (Lana)

Chess SA id

2170312043

FIDE id

Date of birth

2017-04-25 (U10)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1231	1245.2	1224.1	1200
Raw rating	1231	1245.2	1206.8	1200
Weighted rating	1228.5	1224.6	1224.1	1200
Weighted performance	1156.6	0	0	0
Floor	748.5	745.2	732	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.7	155.5	164.2	165.8
Highest rating	1248.5 2025-11-01	1245.2 2025-11-01	1232 2024-12-01	1200 2024-10-01
Highest raw rating	1248.5 2025-11-01	1245.2 2025-11-01	1232 2024-12-01	1200 2024-10-01
Highest weighted rating	1228.5 2026-01-01	1219.4 2025-11-01	1224.1 2026-01-01	1200 2024-10-01
Highest weighted performance	1216.2 2025-11-01	1201.6 2024-10-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.8	-14	-0.9	0
New rating	1229.1	1231.1	1223.3	1200
Analysis
Rating	1231	1245.2	1224.1	1200
Raw rating	1231	1245.2	1206.8	1200
Weighted rating	1228.5	1224.6	1224.1
Weighted performance	1156.6	0	0
K-factor	36	36	36	36
Floor	748.5	745.2	732	700
Max/Min rating change allowed	158.7	155.5	164.2	165.8
Games	5	5	0	0
Score	2	2	0	0
Expected score	2.12	2.39	0	0
Score-Expected	-0.12	-0.39	0	0
Temp raw +/-	-4.5	-14	0	0
Final raw +/-	-4.5	-14	0	0
New raw rating	1226.5	1231.1	1206.8	1200
New weighted rating	1229.1	1225.9	1223.3	1200
New weighted performance	1168.6	1189.4	0	0
Temp new rating	1229.1	1231.1	1223.3	1200
Temp new rating +/-	-1.8	-14	-0.9	0
Final new rating +/-	-1.8	-14	-0.9	0
New rating	1229.1	1231.1	1223.3	1200
New K-factor	36	36	36	36
New floor	748.5	745.2	732	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	26	21	5

Games since
	Main 26	Standard 21		Rapid 5		Blitz 0
Gender	Female
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	16	9.5	59.38	79.7	1211.4	1291.1
Standard	16	9.5	59.38	79.7	1211.4	1291.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	15.5	59.62	81.7	1197.5	1279.3
Standard	21	12	57.14	60.7	1203.8	1264.5
Rapid	5	3.5	70	170	1171.2	1341.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1231	1245.2	1206.8	1200
2025-11-30	1248.5	1245.2	1232	1200
2025-11-01	1248.5	1245.2	1232	1200
2025-09-30	1235.9	1231.5	1232	1200
2025-09-01	1235.9	1231.5	1232	1200
2025-08-01	1241.2	1235.9	1232	1200
2025-07-01	1241.2	1235.9	1232	1200
2025-06-01	1241.2	1235.9	1232	1200
2025-05-01	1241.2	1235.9	1232	1200
2025-04-01	1241.2	1235.9	1232	1200
2025-03-01	1214.4	1199.6	1232	1200
2025-02-01	1214.4	1199.5	1232	1200
2025-01-01	1214.4	1198.4	1232	1200
2024-12-01	1214.4	1198.4	1232	1200
2024-11-01	1195	1198.4	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U9 Girls)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U9 Girls)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U9 Girls)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Lochnerhof Foundation Phase Closed Chess Tournament 2025 (Grade 2)	2025-11-28	2025-11-28	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
3	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
4	CT Metro District East Top Schools Chess 2025 (U9+U11 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Mary-Anne Bartels Closed Chess Tournament 2025 (U9)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
6	Lochnerhof Grade 1 Closed Chess Tournament 2024 (U7+U8)	2024-11-22	2024-11-22	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
7	Grant East Annual Primary School Invitational Chess Tournament 2024 (U7)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament CT Metro District East Top Schools Chess 2025				Tournament Grant East Annual Primary School Invitational Chess Tournament 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-10-18	rnd 3	type Standard	result 1
		Opponent Camacho, E (Emma)				Opponent Hardneck, K (Kai Michaela)
2	4	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Baard, L (Leo)				Opponent Erasmus, H (Hannah)
3	3	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 3	type Rapid	result 1
		Opponent Louw, L (Luan)				Opponent Lotter, K (Kean)

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Baard, L (Leo)				Opponent Erasmus, H (Hannah)
2	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Strydom, J (Josua)				Opponent Davids, N (Noah)
3	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-08-03	rnd 6	type Standard	result 1
		Opponent Camacho, E (Emma)				Opponent Camacho, E (Emma)

#	Games	Start				End
1	3	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 3	type Rapid	result 1
		Opponent Louw, L (Luan)				Opponent Lotter, K (Kean)
2	1	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 5	type Rapid	result 0.5	date 2024-11-22	rnd 5	type Rapid	result 0.5
		Opponent Stoop, J (Jeanre)				Opponent Stoop, J (Jeanre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 3	type Rapid	result 1
		Opponent Louw, L (Luan)				Opponent Lotter, K (Kean)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Baard, L (Leo)				Opponent Pretorius, L (Lucan)
3	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Strydom, J (Josua)				Opponent Davids, N (Noah)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Baard, L (Leo)				Opponent Pretorius, L (Lucan)
2	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Strydom, J (Josua)				Opponent Davids, N (Noah)
3	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-08-03	rnd 6	type Standard	result 1
		Opponent Camacho, E (Emma)				Opponent Camacho, E (Emma)

#	Games	Start				End
1	3	Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024				Tournament Lochnerhof Grade 1 Closed Chess Tournament 2024
		date 2024-11-22	rnd 1	type Rapid	result 1	date 2024-11-22	rnd 3	type Rapid	result 1
		Opponent Louw, L (Luan)				Opponent Lotter, K (Kean)

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	Hawley ,J (John-Luke)	2	1	0	2	1	0	0	0	0	0	0	0
1	Hawley ,J (John-Luke)	2	1182.8	1182.8	2	1200.8	1182.8	0	0	0	0	0	0
2	Erasmus ,H (Hannah)	2	2	425	2	2	425	0	0	0	0	0	0
2	Erasmus ,H (Hannah)	2	1196.5	1621.5	2	1200	1621.5	0	0	0	0	0	0
3	Febana ,N (Ngcali)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Febana ,N (Ngcali)	2	1246.3	821.3	2	1255.3	821.3	0	0	0	0	0	0
4	Camacho ,E (Emma)	1	1	425	1	1	425	0	0	0	0	0	0
4	Camacho ,E (Emma)	1	1199.3	1624.3	1	1199.3	1624.3	0	0	0	0	0	0
5	Sierra ,M (Madison Morgan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sierra ,M (Madison Morgan)	1	1210.9	785.9	1	1200	785.9	0	0	0	0	0	0
6	Janse Van Rensberg ,D (Divan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Janse Van Rensberg ,D (Divan)	1	1151.7	726.7	1	1167.7	726.7	0	0	0	0	0	0
7	Hardneck ,K (Kai Michaela)	1	1	425	1	1	425	0	0	0	0	0	0
7	Hardneck ,K (Kai Michaela)	1	1210.9	1635.9	1	1200	1635.9	0	0	0	0	0	0
8	Strydom ,J (Josua)	1	1	425	1	1	425	0	0	0	0	0	0
8	Strydom ,J (Josua)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Beukes ,C (Cullen)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Beukes ,C (Cullen)	1	1187.8	762.8	1	1200	762.8	0	0	0	0	0	0
10	Putter ,E (Elizabeth)	1	1	425	1	1	425	0	0	0	0	0	0
10	Putter ,E (Elizabeth)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Bruyn, L (Lana)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms