Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, S (Simeon Juda)

Chess SA id

1160162752

FIDE id

Date of birth

2016-01-15 (U10)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1376.3

Item	Main	Standard	Rapid	Blitz
Rating	1459.8	1463.1	1297.4	1200
Raw rating	1459.8	1463.1	1297.4	1200
Weighted rating	1407.9	1402.6	1296.4	1200
Weighted performance	1446.9	1442.3	0	0
Floor	964	971.4	824.6	700
K-factor	32	32	36	36
Min/Max rating change allowed	114.5	114	144.3	165.8
Highest rating	1550.6 2023-10-01	1499.4 2024-07-01	1632.2 2023-10-01	1200 2018-10-01
Highest raw rating	1464 2025-09-01	1471.4 2025-09-01	1324.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1407.9 2025-11-01	1402.6 2025-11-01	1297.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1550.6 2023-10-01	1499.4 2024-07-01	1632.2 2023-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1459.8	1463.1	1297.4	1200
Analysis
Rating	1459.8	1463.1	1297.4	1200
Raw rating	1459.8	1463.1	1297.4	1200
Weighted rating	1407.9	1402.6	1296.4
Weighted performance	1446.9	1442.3	0
K-factor	32	32	36	36
Floor	964	971.4	824.6	700
Max/Min rating change allowed	114.5	114	144.3	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	1459.8	1463.1	1297.4	1200
New weighted rating	1415.2	1411.8	1296.1	1200
New weighted performance	1438.2	1433.6	0	0
Temp new rating	1459.8	1463.1	1297.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1459.8	1463.1	1297.4	1200
New K-factor	32	32	36	36
New floor	964	971.4	824.6	700

Item	Main	Standard	Rapid
	0	0	0
	36	36	0
	31	25	6
	7	0	7
	0	0	0
	0	0	0
History	74	61	13

Games since
	Main 67	Standard 61		Rapid 6		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1604		494		252
Male	1345		407		211
U10	89		20		10
U10 Male	80		17		8
Standard
	RSA		Province		Region
Overall	1495		406		218
Male	1254		332		182
U10	85		21		9
U10 Male	74		16		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	36	25.5	70.83	177.1	1268.3	1445.4
Standard	36	25.5	70.83	177.1	1268.3	1445.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	74	54	72.97	195.3	1243.3	1438.6
Standard	61	44	72.13	188.1	1254.4	1442.5
Rapid	13	10	76.92	228.8	1191.6	1420.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1459.8	1463.1	1297.4	1200
2025-09-30	1464	1471.4	1297.4	1200
2025-09-01	1464	1471.4	1297.4	1200
2025-08-01	1430.9	1432.9	1297.4	1200
2025-07-01	1430.9	1432.9	1297.2	1200
2025-06-01	1430.9	1432.9	1296.7	1200
2025-05-01	1446.7	1451.7	1295.9	1200
2025-04-01	1446.7	1451.7	1294.8	1200
2025-03-01	1446.4	1453.7	1293.6	1200
2025-02-01	1382.5	1381	1292	1200
2025-01-01	1421.3	1427.8	1289.7	1200
2024-12-01	1421.3	1427.8	1289.7	1200
2024-11-01	1421.3	1427.8	1289.7	1200
2024-10-01	1330.7	1314	1289.7	1200
2024-09-01	1326.2	1303.6	1289.7	1200
2024-08-01	1326.2	1303.6	1289.7	1200
2024-07-01	1264.9	1219.4	1289.7	1200
2024-09-01	1264.9	1219.4	1289.7	1200
2024-05-01	1278.9	1219.4	1324.6	1200
2024-04-01	1278.9	1219.4	1324.6	1200
2024-03-01	1278.9	1219.4	1324.6	1200
2024-02-01	1274.7	1200	1324.6	1200
2024-01-01	1274.7	1200	1324.6	1200
2023-12-01	1274.7	1200	1324.6	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	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U9)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U9 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	De Hoop Primary Schools Teams Play-offs 2025 (U9)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
6	CT Metro District East Schools Chess Individuals Trials 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
7	Helderberg Chess Club PS Development Tournament 2025 (U9)	2025-01-25	2025-01-25	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	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U9)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U9 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	De Hoop Primary Schools Teams Play-offs 2025 (U9)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
6	CT Metro District East Schools Chess Individuals Trials 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
7	Helderberg Chess Club PS Development Tournament 2025 (U9)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
8	De Hoop Chess Championship Tournament 2024 (U7+U8)	2024-10-12	2024-10-12	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
9	Grant East Annual Primary School Invitational Chess Tournament 2024 (U9)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	3	Yes	Analysis
11	CT Metro District East Top Schools Chess 2024 (U9 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
12	Rhenish PS Tournament 2024 (U10)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
13	De Hoop Teams Play Offs 2023 (U9 Mixed)	2024-02-10	2024-02-10	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
14	De Hoop Chess Championship 2023 (U7)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	7	7	7	Yes	Analysis

#	Games	Start				End
1	8	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 0.5
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Karamalla, A (Ahmed)
2	7	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2024-10-05	rnd 5	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Johnson, W (Wian)				Opponent Davids, N (Noah)
3	7	Tournament De Hoop Chess Championship 2023				Tournament De Hoop Chess Championship 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-10-14	rnd 7	type Rapid	result 1
		Opponent Els, K (Kian)				Opponent Cleophas, E (Ethan)

#	Games	Start				End
1	8	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 0.5
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Karamalla, A (Ahmed)
2	7	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2024-10-05	rnd 5	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Johnson, W (Wian)				Opponent Davids, N (Noah)
3	6	Tournament CT Metro District East Top Schools Chess 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Biesenbach, J (Johannes)				Opponent Ramadahya, L (Lerano)

#	Games	Start				End
1	9	Tournament De Hoop Chess Championship 2023				Tournament Rhenish PS Tournament 2024
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Els, K (Kian)				Opponent Forster, B (Bjorn)
2	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Carter, C (Cullen)				Opponent Carter, C (Cullen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Van der Westhuizen, H (Hunter)
2	7	Tournament De Hoop Chess Championship 2023				Tournament De Hoop Chess Championship 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-10-14	rnd 7	type Rapid	result 1
		Opponent Els, K (Kian)				Opponent Cleophas, E (Ethan)
3	6	Tournament CT Metro District East Top Schools Chess 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Biesenbach, J (Johannes)				Opponent Ramadahya, L (Lerano)

#	Games	Start				End
1	7	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Chumpitaz Avila, J (Jozua)				Opponent Van der Westhuizen, H (Hunter)
2	6	Tournament CT Metro District East Top Schools Chess 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Biesenbach, J (Johannes)				Opponent Ramadahya, L (Lerano)
3	5	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament De Hoop Chess Championship Tournament 2024
		date 2024-10-05	rnd 5	type Standard	result 1	date 2024-10-12	rnd 4	type Standard	result 1
		Opponent Johnson, W (Wian)				Opponent Lin, J (Junming)

#	Games	Start				End
1	9	Tournament De Hoop Chess Championship 2023				Tournament Rhenish PS Tournament 2024
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Els, K (Kian)				Opponent Forster, B (Bjorn)
2	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Carter, C (Cullen)				Opponent Carter, C (Cullen)

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	Lin ,J (Junming)	5	3.5	170	4	2.5	106.2	1	1	425	0	0	0
1	Lin ,J (Junming)	5	1348.8	1518.8	4	1377.9	1455.1	1	1200	1773.8	0	0	0
2	Davids ,N (Noah)	3	3	425	3	3	425	0	0	0	0	0	0
2	Davids ,N (Noah)	3	1177.2	1602.2	3	1206	1602.2	0	0	0	0	0	0
3	Poole ,C (Cayden)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Poole ,C (Cayden)	3	1281.8	1140.1	3	1267.1	1140.1	0	0	0	0	0	0
4	Klopper ,E (Elbe)	3	3	425	3	3	425	0	0	0	0	0	0
4	Klopper ,E (Elbe)	3	1300.8	1725.8	3	1326.3	1725.8	0	0	0	0	0	0
5	Venter ,M (Michael)	3	0	-425	2	0	-425	1	0	-425	0	0	0
5	Venter ,M (Michael)	3	1340.6	915.6	2	1387.7	915.6	1	1200	915.6	0	0	0
6	Van Der Merwe ,L (Lara)	3	3	425	2	2	425	1	1	425	0	0	0
6	Van Der Merwe ,L (Lara)	3	1211.7	1636.7	2	1182.2	1636.7	1	1200	1636.7	0	0	0
7	Ferreira ,H (Hendre)	2	2	425	2	2	425	0	0	0	0	0	0
7	Ferreira ,H (Hendre)	2	1191.6	1616.6	2	1189.2	1616.6	0	0	0	0	0	0
8	Kruger ,J (Josua Baruch)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Kruger ,J (Josua Baruch)	2	1566.3	1141.3	2	1558.9	1141.3	0	0	0	0	0	0
9	Hoffmann ,E (Emma)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Hoffmann ,E (Emma)	2	1219.2	1431.8	2	1223	1431.8	0	0	0	0	0	0
10	Foster ,B (Bjorn)	2	1	0	2	1	0	0	0	0	0	0	0
10	Foster ,B (Bjorn)	2	1181.6	1181.6	2	1196.8	1181.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Lourens, S (Simeon Juda)

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