Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, L (Layton)

Chess SA id

1120300034

FIDE id

Date of birth

2012-03-09 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

15.2

Junior GPX Points

1150.5

Item	Main	Standard	Rapid	Blitz
Rating	1260.4	1233.3	1290.7	1200
Raw rating	1260.4	1233.3	1290.7	1200
Weighted rating	1211.7	1208	1220.4	1200
Weighted performance	1143.6	1043.7	0	0
Floor	798.3	818	790.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.1	158.1	145.7	165.8
Highest rating	1457.8 2024-03-01	1457.3 2024-03-01	1290.7 2025-08-01	1200 2024-04-01
Highest raw rating	1298.3 2024-04-01	1318 2024-04-01	1290.7 2025-08-01	1200 2024-04-01
Highest weighted rating	1298.3 2024-04-01	1318 2024-04-01	1206.7 2025-08-01	1200 2024-04-01
Highest weighted performance	1457.8 2024-03-01	1457.3 2024-03-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1260.4	1233.3	1290.7	1200
Analysis
Rating	1260.4	1233.3	1290.7	1200
Raw rating	1260.4	1233.3	1290.7	1200
Weighted rating	1211.7	1208	1220.4
Weighted performance	1143.6	1043.7	0
K-factor	36	36	36	36
Floor	798.3	818	790.7	700
Max/Min rating change allowed	152.1	158.1	145.7	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	1260.4	1233.3	1290.7	1200
New weighted rating	1215.9	1210.3	1226.7	1200
New weighted performance	1143.2	1043.3	0	0
Temp new rating	1260.4	1233.3	1290.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1260.4	1233.3	1290.7	1200
New K-factor	36	36	36	36
New floor	798.3	818	790.7	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	38	38	0
	0	0	0
	0	0	0
	0	0	0
History	53	43	10

Games since
	Main 53	Standard 43		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	3532		201		164
Male	2736		166		133
U14	659		32		27
U14 Male	479		28		23
Standard
	RSA		Province		Region
Overall	3667		243		176
Male	2793		200		144
U14	704		42		29
U14 Male	498		36		25
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	15	7.5	50	0	1314.5	1314.5
Standard	5	2.5	50	0	1436.8	1436.8
Rapid	10	5	50	0	1253.3	1253.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	53	22.5	42.45	-64.2	1268.9	1204.7
Standard	43	17.5	40.7	-79.1	1272.5	1193.4
Rapid	10	5	50	0	1253.3	1253.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1260.4	1233.3	1290.7	1200
2025-09-01	1260.4	1233.3	1290.7	1200
2025-08-01	1260.4	1233.3	1290.7	1200
2025-07-01	1197.7	1233.3	1199	1200
2025-06-01	1196.9	1233.3	1193.4	1200
2025-05-01	1229.3	1233.3	1200	1200
2025-04-01	1229.3	1233.3	1200	1200
2025-03-01	1229.3	1233.3	1200	1200
2025-02-01	1187.1	1181.5	1200	1200
2025-01-01	1142.9	1126.4	1200	1200
2024-12-01	1142.9	1126.4	1200	1200
2024-11-01	1142.9	1126.4	1200	1200
2024-10-01	1200.3	1195.9	1200	1200
2024-09-01	1190.1	1184	1200	1200
2024-08-01	1190.1	1184	1200	1200
2024-07-01	1167.1	1156.3	1200	1200
2024-06-01	1201.2	1196.6	1200	1200
2024-08-01	1252.9	1260	1200	1200
2024-04-01	1298.3	1318	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
2023-11-01	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	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
2	Robday Bergsig Sport Festival 2025 (Juniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
3	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools -Primary Schools 2025 (U13)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
2	Robday Bergsig Sport Festival 2025 (Juniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
3	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
4	Bojanala's Battle of Mount Cambridge 2024 (Bishops)	2024-10-05	2024-10-05	Standard	Bojanala Platina (NBR)	5	4	0	Yes	Analysis
5	Bojanala Circuit Championships 3 of 4 2024 (U14)	2024-09-14	2024-09-14	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
6	Bojanala's Clash Of Schools 2024 (Championship)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	4	2	Yes	Analysis
7	Bojanala Circuit Championship 2 of 4 2024 (U14)	2024-06-15	2024-06-15	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
8	Bojanala Circuit Championship 1 of 4 2024 (U14)	2024-05-25	2024-05-25	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
9	Bojanala's Rating Express 2024 (Bishops)	2024-04-06	2024-04-06	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
10	Bojanala Silwerrand's Rating Implosion 2024 (Development)	2024-03-16	2024-03-16	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
11	Schoemies' Kings & Queens 2024 (Development)	2024-03-02	2024-03-02	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Modiakgatle, T (Thoriso)				Opponent Fourie, J (Janco)
2	3	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 0.5
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Motau, N (Neelo)
3	3	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 2	type Standard	result 0.5	date 2024-09-14	rnd 4	type Standard	result 0.5
		Opponent Turusida, T (Tshiamo)				Opponent Gouws, K (Karah)

#	Games	Start				End
1	3	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 0.5
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Motau, N (Neelo)
2	3	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 2	type Standard	result 0.5	date 2024-09-14	rnd 4	type Standard	result 0.5
		Opponent Turusida, T (Tshiamo)				Opponent Gouws, K (Karah)
3	3	Tournament Schoemies' Kings & Queens 2024				Tournament Bojanala Silwerrand's Rating Implosion 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Sengfeng, O (Olerato)				Opponent Da Silva, J (Jason)

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Modiakgatle, T (Thoriso)				Opponent Fourie, J (Janco)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Modiakgatle, T (Thoriso)				Opponent Fourie, J (Janco)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Bojanala Silwerrand's Rating Implosion 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Sengfeng, O (Olerato)				Opponent Da Silva, J (Jason)
3	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Gower, J (Juvan)				Opponent Vercuiel, E (Estienne)

#	Games	Start				End
1	3	Tournament Schoemies' Kings & Queens 2024				Tournament Bojanala Silwerrand's Rating Implosion 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Sengfeng, O (Olerato)				Opponent Da Silva, J (Jason)
2	3	Tournament Schoemies' Kings & Queens 2024				Tournament Schoemies' Kings & Queens 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Gower, J (Juvan)				Opponent Vercuiel, E (Estienne)
3	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Mogomotsi, G (Gofaone)

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Modiakgatle, T (Thoriso)				Opponent Fourie, J (Janco)

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	Potgieter ,R (Reinhardt)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Potgieter ,R (Reinhardt)	3	1254.3	970.9	3	1258.4	970.9	0	0	0	0	0	0
2	Segalo ,O (Ogone)	2	1	0	2	1	0	0	0	0	0	0	0
2	Segalo ,O (Ogone)	2	1235.4	1235.4	2	1223.4	1235.4	0	0	0	0	0	0
3	Bekker ,D (Dana)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Bekker ,D (Dana)	2	1224.4	1011.9	2	1230.6	1011.9	0	0	0	0	0	0
4	Jansen Van Vuuren ,M (Mari)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Jansen Van Vuuren ,M (Mari)	2	1310.9	885.9	2	1301.5	885.9	0	0	0	0	0	0
5	De Jager ,L (Luan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	De Jager ,L (Luan)	2	1238.2	813.2	2	1235.3	813.2	0	0	0	0	0	0
6	Liebenberg ,L (Lana)	2	1	0	1	0	-425	1	1	425	0	0	0
6	Liebenberg ,L (Lana)	2	1197.4	1197.4	1	1200	772.4	1	1200	1622.4	0	0	0
7	Vercuiel ,E (Estienne)	1	1	425	1	1	425	0	0	0	0	0	0
7	Vercuiel ,E (Estienne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Semetse ,T (Tshepang)	1	1	425	1	1	425	0	0	0	0	0	0
8	Semetse ,T (Tshepang)	1	1116.4	1541.4	1	1106.4	1541.4	0	0	0	0	0	0
9	Da Silva ,J (Jason)	1	1	425	1	1	425	0	0	0	0	0	0
9	Da Silva ,J (Jason)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Gower ,J (Juvan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Gower ,J (Juvan)	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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Personal

Van Rooyen, L (Layton)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms