Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, L (Luan)

Chess SA id

1130150461

FIDE id

Date of birth

2013-02-07 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1044.2

Item	Main	Standard	Rapid	Blitz
Rating	1158.9	1136.1	1218.7	1200
Raw rating	1127.3	1088.5	1218.7	1200
Weighted rating	1158.9	1136.1	1210.2	1200
Weighted performance	0	0	0	0
Floor	700	700	718.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.9	194.4	161.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1218.7 2025-03-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1218.7 2025-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1208.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.3	-4	0	0
New rating	1156.6	1132.1	1218.7	1200
Analysis
Rating	1158.9	1136.1	1218.7	1200
Raw rating	1127.3	1088.5	1218.7	1200
Weighted rating	1158.9	1136.1	1210.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	718.7	700
Max/Min rating change allowed	183.9	194.4	161.4	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	1127.3	1088.5	1218.7	1200
New weighted rating	1156.6	1132.1	1211.2	1200
New weighted performance	0	0	0	0
Temp new rating	1156.6	1132.1	1218.7	1200
Temp new rating +/-	-2.3	-4	0	0
Final new rating +/-	-2.3	-4	0	0
New rating	1156.6	1132.1	1218.7	1200
New K-factor	36	36	36	36
New floor	700	700	718.7	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	0	0	0
	3	3	0
	0	0	0
	0	0	0
History	19	13	6

Games since
	Main 16	Standard 10		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-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	4.5	28.12	-185.9	1318.8	1132.9
Standard	10	1	10	-340	1370.9	1030.9
Rapid	6	3.5	58.33	70.8	1232	1302.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	4.5	23.68	-223.7	1300.1	1076.4
Standard	13	1	7.69	-359.6	1331.5	971.9
Rapid	6	3.5	58.33	70.8	1232	1302.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1127.3	1088.5	1218.7	1200
2025-09-01	1156	1124.9	1218.7	1200
2025-08-01	1174.6	1141.6	1218.7	1200
2025-07-01	1174.6	1141.6	1218.7	1200
2025-06-01	1174.6	1141.6	1218.7	1200
2025-05-01	1174.6	1141.6	1218.7	1200
2025-04-01	1174.6	1141.6	1218.7	1200
2025-03-01	1174.6	1141.6	1218.7	1200
2025-02-01	1151.5	1141.6	1200	1200
2025-01-01	1151.5	1141.6	1200	1200
2024-12-01	1151.5	1141.6	1200	1200
2024-11-01	1151.5	1141.6	1200	1200
2024-10-01	1151.5	1141.6	1200	1200
2024-09-01	1151.5	1141.6	1200	1200
2024-08-01	1151.5	1141.6	1200	1200
2024-07-01	1151.5	1141.6	1200	1200
2024-06-01	1151.5	1141.6	1200	1200
2024-08-01	1151.5	1141.6	1200	1200
2024-04-01	1151.5	1141.6	1200	1200
2024-03-01	1151.5	1141.6	1200	1200
2024-02-01	1151.5	1141.6	1200	1200
2024-01-01	1151.5	1141.6	1200	1200
2023-12-01	1151.5	1141.6	1200	1200
2023-11-01	1151.5	1141.6	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	Western Cape Schools - Top Schools 2025 (U15)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	0	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	0	0	No	Analysis
4	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U15)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	0	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	0	0	No	Analysis
4	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
5	North District School Trials 2023 (U11 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Swart, J (Jayden)				Opponent Harris, K (Kingston Ray)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Cupido, S (Seth)				Opponent Cupido, S (Seth)
3	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 6	type Rapid	result 0.5	date 2025-02-22	rnd 6	type Rapid	result 0.5
		Opponent Cloete, K (Keanu)				Opponent Cloete, K (Keanu)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Cupido, S (Seth)				Opponent Cupido, S (Seth)

#	Games	Start				End
1	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Swart, J (Jayden)				Opponent Harris, K (Kingston Ray)
2	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 6	type Rapid	result 0.5	date 2025-02-22	rnd 6	type Rapid	result 0.5
		Opponent Cloete, K (Keanu)				Opponent Cloete, K (Keanu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Swart, J (Jayden)				Opponent Harris, K (Kingston Ray)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Cupido, S (Seth)				Opponent Cupido, S (Seth)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Cupido, S (Seth)				Opponent Cupido, S (Seth)

#	Games	Start				End
1	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Swart, J (Jayden)				Opponent Harris, K (Kingston Ray)

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	Stephanus ,S (Shagen-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Stephanus ,S (Shagen-Lee)	1	1182.1	757.1	1	1171.4	757.1	0	0	0	0	0	0
2	He ,Z (Zonghan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	He ,Z (Zonghan)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Cupido ,S (Seth)	1	1	425	1	1	425	0	0	0	0	0	0
3	Cupido ,S (Seth)	1	1199.8	1624.8	1	1200	1624.8	0	0	0	0	0	0
4	Cazes ,A (Akhikhaya)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cazes ,A (Akhikhaya)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Mncube ,S (Sifiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mncube ,S (Sifiso)	1	1596.8	1171.8	1	1596	1171.8	0	0	0	0	0	0
6	Titus ,J (Jordyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Titus ,J (Jordyn)	1	1389	964	1	1331.8	964	0	0	0	0	0	0
7	Kruger ,C (Carel)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kruger ,C (Carel)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Viljoen ,P (Pieter)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Viljoen ,P (Pieter)	1	1440.3	1015.3	1	1454.8	1015.3	0	0	0	0	0	0
9	Mackenzie ,T (Tayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mackenzie ,T (Tayden)	1	1544.3	1119.3	1	1522.2	1119.3	0	0	0	0	0	0
10	Gouveia Goncalves ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gouveia Goncalves ,I (Isabella)	1	1199.6	774.6	1	1199.8	774.6	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 (Luan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms