Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cornelius, L (Laythan)

Chess SA id

1120149749

FIDE id

Date of birth

2012-04-26 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

32.3

Junior GPX Points

1247.7

Item	Main	Standard	Rapid	Blitz
Rating	1456.6	1446.3	1421.8	1200
Raw rating	1453.7	1446.3	1388.8	1200
Weighted rating	1456.6	1400.5	1421.8	1200
Weighted performance	1316.9	1349.5	1273.5	0
Floor	1003.4	946.3	952.6	700
K-factor	32	32	32	36
Min/Max rating change allowed	115.5	116.7	126.7	165.8
Highest rating	1520 2023-08-01	1446.3 2025-06-01	1778 2023-08-01	1200 2018-10-01
Highest raw rating	1503.4 2024-03-01	1446.3 2025-06-01	1452.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1456.6 2025-11-01	1384.3 2025-08-01	1424.7 2025-09-01	1200 2018-10-01
Highest weighted performance	1520 2023-08-01	1432.5 2023-07-01	1778 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	0	-3	0
New rating	1456.2	1446.3	1418.8	1200
Analysis
Rating	1456.6	1446.3	1421.8	1200
Raw rating	1453.7	1446.3	1388.8	1200
Weighted rating	1456.6	1400.5	1421.8
Weighted performance	1316.9	1349.5	1273.5
K-factor	32	32	32	36
Floor	1003.4	946.3	952.6	700
Max/Min rating change allowed	115.5	116.7	126.7	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	1453.7	1446.3	1388.8	1200
New weighted rating	1456.2	1405.5	1418.8	1200
New weighted performance	1309	1340.9	1265.7	0
Temp new rating	1456.2	1446.3	1418.8	1200
Temp new rating +/-	-0.4	0	-3	0
Final new rating +/-	-0.4	0	-3	0
New rating	1456.2	1446.3	1418.8	1200
New K-factor	32	32	32	36
New floor	1003.4	946.3	952.6	700

Item	Main	Standard	Rapid
	0	0	0
	32	16	16
	30	18	12
	38	27	11
	0	0	0
	0	0	0
History	100	61	39

Games since
	Main 62	Standard 34		Rapid 28		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1625		503		69
Male	1360		413		54
U14	241		78		11
U14 Male	184		57		7
Standard
	RSA		Province		Region
Overall	1621		444		56
Male	1345		358		44
U14	240		71		9
U14 Male	181		50		5
Rapid
	RSA		Province		Region
Overall	442		218		34
Male	385		189		27
U14	82		47		8
U14 Male	69		39		6
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	32	20.5	64.06	119.5	1347.1	1466.7
Standard	16	11	68.75	159.4	1374.7	1534.1
Rapid	16	9.5	59.38	79.7	1319.5	1399.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	100	68	68	153	1298.6	1451.6
Standard	61	39.5	64.75	125.4	1313.7	1439.1
Rapid	39	28.5	73.08	196.2	1274.9	1471.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1453.7	1446.3	1388.8	1200
2025-09-30	1481	1446.3	1427.5	1200
2025-09-01	1481	1446.3	1427.5	1200
2025-08-01	1481.2	1446.3	1424.2	1200
2025-07-01	1481.2	1446.3	1423.6	1200
2025-06-01	1481.2	1446.3	1422.4	1200
2025-05-01	1455.2	1399.3	1420.5	1200
2025-04-01	1455.2	1399.3	1418	1200
2025-03-01	1453	1385.6	1415	1200
2025-02-01	1438.4	1355.9	1410.8	1200
2025-01-01	1395.2	1354.6	1396.6	1200
2024-12-01	1395.2	1354.6	1396.6	1200
2024-11-01	1395.2	1354.6	1396.6	1200
2024-10-01	1445.5	1354.2	1452.6	1200
2024-09-01	1445.5	1354.2	1452.6	1200
2024-08-01	1474.2	1377.2	1452.6	1200
2024-07-01	1454.8	1332.2	1452.6	1200
2024-09-01	1454.8	1332.2	1452.6	1200
2024-05-01	1454.8	1332.2	1452.6	1200
2024-04-01	1454.8	1332.2	1452.6	1200
2024-03-01	1503.4	1380.4	1452.6	1200
2024-02-01	1488.8	1380.4	1409.4	1200
2024-01-01	1488.8	1380.4	1409.4	1200
2023-12-01	1488.8	1380.4	1409.4	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	Worcester Schools Knock-Out 2025 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	De Villiers PS 2025 (U14+High School Boys)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
5	Cape Winelands Schools Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
6	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Worcester Schools Knock-Out 2025 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	De Villiers PS 2025 (U14+High School Boys)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
5	Cape Winelands Schools Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
6	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
7	Worcester Knock-Out 2024 (U13 Boys)	2024-10-19	2024-10-19	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
8	Strategema Chess October 2024 (U13)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
9	De Villiers PS Tournament 2024 (U14)	2024-08-17	2024-08-17	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
10	Cape Winelands - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	4	4	Yes	Analysis
11	Cape Winelands Schools - Prestige 2024 (U13 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis
12	Cape Winelands Schools - PS Trials 1 2024 (U13 Boys)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	5.5	Yes	Analysis
13	Worcester Knock-Out 2023 (U11 Boys)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	6	5.5	Yes	Analysis
14	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
15	CW Top Schools 2023 (U7-U11 Mixed + U11 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
16	Cape Winelands Open 2023 (U12)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
17	Western Cape PS Individuals 2023 (U11 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
18	Cape Winelands Schools Prestige 2023 (U11 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	13	Tournament Western Cape Top Schools 2023				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2023-09-03	rnd 6	type Standard	result 0.5	date 2024-02-10	rnd 6	type Rapid	result 1
		Opponent Damane, L (Lukhanyo)				Opponent Barkley, C (Christopher)
2	8	Tournament Cape Winelands Open 2023				Tournament CW Top Schools 2023
		date 2023-07-23	rnd 3	type Standard	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Kennedy, L (Leah)				Opponent Kleinbooi, R (Riley)
3	6	Tournament Cape Winelands Schools Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-05-17	rnd 4	type Standard	result 0.5
		Opponent Amsterdam, J (Jodan)				Opponent Roelf, W (Wildren)

#	Games	Start				End
1	8	Tournament Strategema Chess October 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-05	rnd 2	type Standard	result 0.5	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Kirchner, M (Miya)				Opponent Visser, M (Meljeanio)
2	6	Tournament Cape Winelands Schools Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-05-17	rnd 4	type Standard	result 0.5
		Opponent Amsterdam, J (Jodan)				Opponent Roelf, W (Wildren)
3	6	Tournament Cape Winelands - Top Schools 2024				Tournament De Villiers PS Tournament 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 0.5
		Opponent Stuurman, J (John)				Opponent Klopper, M (Marli)

#	Games	Start				End
1	18	Tournament CW Top Schools 2023				Tournament Worcester Knock-Out 2024
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 1	type Rapid	result 1
		Opponent Robertson, J (Jonah)				Opponent Segals, K (Kenzo)
2	6	Tournament Worcester Knock-Out 2024				Tournament De Villiers PS 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-08-16	rnd 5	type Rapid	result 0.5
		Opponent Titus, M (Marius)				Opponent Filander, E (Elijah)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Titus, M (Marius)				Opponent Titus, M (Marius)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Worcester Knock-Out 2023				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2023-10-14	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Buys, L (Louwen)				Opponent Jamein, A (Aldivash)
2	8	Tournament Cape Winelands Open 2023				Tournament CW Top Schools 2023
		date 2023-07-23	rnd 3	type Standard	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Kennedy, L (Leah)				Opponent Kleinbooi, R (Riley)
3	5	Tournament Worcester Knock-Out 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Titus, M (Marius)				Opponent Visser, M (Meljeanio)

#	Games	Start				End
1	5	Tournament Strategema Chess October 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-10-05	rnd 5	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Van Zyl, A (Andre)				Opponent Visser, M (Meljeanio)
2	5	Tournament Cape Winelands - Top Schools 2024				Tournament De Villiers PS Tournament 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Stuurman, J (John)				Opponent Eyssen, M (Marcihano)
3	4	Tournament Cape Winelands Schools Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Filander, E (Elijah)				Opponent Malherbe, J (Jeevan)

#	Games	Start				End
1	9	Tournament Worcester Knock-Out 2023				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2023-10-14	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Buys, L (Louwen)				Opponent Jamein, A (Aldivash)
2	5	Tournament Worcester Knock-Out 2024				Tournament De Villiers PS 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Titus, M (Marius)				Opponent Tiemie, J (Jaheim)
3	5	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Robertson, J (Jonah)				Opponent Kleinbooi, R (Riley)

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	Robertson ,J (Jonah)	4	1.5	-106.2	3	0.5	-283.3	1	1	425	0	0	0
1	Robertson ,J (Jonah)	4	1565.1	1458.9	3	1507	1281.8	1	1622	1990.1	0	0	0
2	Barends ,R (Reece)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Barends ,R (Reece)	3	1451.3	1309.6	3	1430.7	1309.6	0	0	0	0	0	0
3	Amsterdam ,J (Jodan)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
3	Amsterdam ,J (Jodan)	3	1247.2	1247.2	2	1246.2	1247.2	1	1256.8	1247.2	0	0	0
4	Januarie ,L (Lee Roy)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Januarie ,L (Lee Roy)	2	1293.1	868.1	2	1281.1	868.1	0	0	0	0	0	0
5	Malherbe ,J (Jeevan)	2	1	0	2	1	0	0	0	0	0	0	0
5	Malherbe ,J (Jeevan)	2	1509.8	1509.8	2	1433.1	1509.8	0	0	0	0	0	0
6	Buys ,L (Louwen)	2	2	425	1	1	425	1	1	425	0	0	0
6	Buys ,L (Louwen)	2	1215.8	1640.8	1	1264.2	1640.8	1	1226.4	1640.8	0	0	0
7	Koert ,D (Dane)	2	2	425	1	1	425	1	1	425	0	0	0
7	Koert ,D (Dane)	2	1416.7	1841.7	1	1414.3	1841.7	1	1317	1841.7	0	0	0
8	Brandt ,C (Cayden)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
8	Brandt ,C (Cayden)	2	1325.2	1112.7	1	1141.6	1325.2	1	1323.1	900.2	0	0	0
9	Filander ,E (Elijah)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
9	Filander ,E (Elijah)	2	1321.4	1533.9	1	1309.6	1746.4	1	1245.2	1321.4	0	0	0
10	Visser ,M (Meljeanio)	2	1	0	1	1	425	1	0	-425	0	0	0
10	Visser ,M (Meljeanio)	2	1370.8	1370.8	1	1220.4	1795.8	1	1302.2	945.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Cornelius, L (Laythan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms