Chess South Africa Ratings Database

PLAYER PAGE

Personal

Louw, J (Jean)

Chess SA id

1150151765

FIDE id

Date of birth

2015-07-24 (U12)

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

1282.6

Item	Main	Standard	Rapid	Blitz
Rating	1293.1	1268.5	1328	1200
Raw rating	1293.1	1268.5	1327.3	1200
Weighted rating	1291.8	1249.5	1328	1200
Weighted performance	1211.4	1212.7	0	0
Floor	811.3	786.9	840.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.2	150.4	138.3	165.8
Highest rating	1311.3 2025-04-01	1286.9 2025-04-01	1512.5 2023-08-01	1200 2018-10-01
Highest raw rating	1311.3 2025-04-01	1286.9 2025-04-01	1340.3 2024-03-01	1200 2024-03-01
Highest weighted rating	1291.8 2025-11-01	1286.9 2018-10-01	1327.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1291.5 2025-04-01	1284.5 2019-12-01	1512.5 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1293.1	1268.5	1328	1200
Analysis
Rating	1293.1	1268.5	1328	1200
Raw rating	1293.1	1268.5	1327.3	1200
Weighted rating	1291.8	1249.5	1328
Weighted performance	1211.4	1212.7	0
K-factor	36	36	36	36
Floor	811.3	786.9	840.3	700
Max/Min rating change allowed	145.2	150.4	138.3	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	1293.1	1268.5	1327.3	1200
New weighted rating	1292.8	1252.9	1328	1200
New weighted performance	1203.7	1205.1	0	0
Temp new rating	1293.1	1268.5	1328	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1293.1	1268.5	1328	1200
New K-factor	36	36	36	36
New floor	811.3	786.9	840.3	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	25	15	10
	21	10	11
	0	0	0
	0	0	0
History	62	41	21

Games since
	Main 46	Standard 31		Rapid 15		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3333		1097		452
Male	2599		815		356
U12	507		177		58
U12 Male	359		116		46
Standard
	RSA		Province		Region
Overall	3473		989		413
Male	2679		706		314
U12	526		149		54
U12 Male	371		95		39
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	10	62.5	106.2	1205.8	1312.1
Standard	16	10	62.5	106.2	1205.8	1312.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	38	61.29	96	1210.3	1306.3
Standard	41	23	56.1	51.8	1208.1	1259.9
Rapid	21	15	71.43	182.1	1214.5	1396.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1293.1	1268.5	1327.3	1200
2025-09-30	1311.3	1286.9	1327.3	1200
2025-09-01	1311.3	1286.9	1327.3	1200
2025-08-01	1311.3	1286.9	1327.3	1200
2025-07-01	1311.3	1286.9	1326.8	1200
2025-06-01	1311.3	1286.9	1326.3	1200
2025-05-01	1311.3	1286.9	1326.3	1200
2025-04-01	1311.3	1286.9	1326.3	1200
2025-03-01	1276	1239.1	1326.3	1200
2025-02-01	1279.3	1228.8	1326.3	1200
2025-01-01	1279.3	1228.8	1326.3	1200
2024-12-01	1279.3	1228.8	1326.3	1200
2024-11-01	1279.3	1228.8	1326.3	1200
2024-10-01	1269.1	1199.6	1326.3	1200
2024-09-01	1269.1	1199.6	1326.3	1200
2024-08-01	1269.3	1199.6	1340.3	1200
2024-07-01	1260	1164.8	1340.3	1200
2024-09-01	1260	1164.8	1340.3	1200
2024-05-01	1260	1164.8	1340.3	1200
2024-04-01	1260	1164.8	1340.3	1200
2024-03-01	1260	1164.8	1340.3	1200
2024-02-01	1256.1	1188.8	1303.6	1200
2024-01-01	1256.1	1188.8	1303.6	1200
2023-12-01	1256.1	1188.8	1303.6	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 (U11 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3.5	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 (U11 Boys)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
4	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
5	Stellenbosch Primary 2024 (U9)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
6	CT Metro District East Top Schools Chess 2024 (U9 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
7	Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed)	2024-02-24	2024-02-24	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
8	CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
9	Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
10	Stellenbosch Primary Chess Tournament 2023 (U10)	2023-08-19	2023-08-19	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
11	Ekhuruleni Chess Trials 1 2023 (U8+U10)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
12	Ekurhuleni Springs Open 4 March 2023 (E)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Schilhorn, W (Walter)				Opponent Flatela, K (Khayone)
2	5	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Brent, M (Marlo)				Opponent Els, P (Petri)
3	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Dachs, L (Liam)				Opponent Chauke, R (Rhulani)

#	Games	Start				End
1	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Dachs, L (Liam)				Opponent Chauke, R (Rhulani)
2	4	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 2	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 0.5
		Opponent Noack, A (Angelica)				Opponent Kleijnhans, M (Mila)
3	3	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 0.5
		Opponent Onyire, W (Winner)				Opponent Fourie, S (Steph)

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Stellenbosch Primary 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 2	type Rapid	result 1
		Opponent Schilhorn, W (Walter)				Opponent Ntamo, I (Isabella)
2	5	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Brent, M (Marlo)				Opponent Els, P (Petri)
3	2	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 4	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Van Wyk, Z (Zia)				Opponent Erasmus, C (Caleb)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Schilhorn, W (Walter)				Opponent Flatela, K (Khayone)
2	5	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Brent, M (Marlo)				Opponent Els, P (Petri)
3	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Dachs, L (Liam)				Opponent Chauke, R (Rhulani)

#	Games	Start				End
1	4	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Dachs, L (Liam)				Opponent Chauke, R (Rhulani)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Osaro, S (Shawn)				Opponent Kramer, R (Ruben)
3	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Keeling, J (Jayden)				Opponent Flatela, K (Khayone)

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Stellenbosch Primary 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 2	type Rapid	result 1
		Opponent Schilhorn, W (Walter)				Opponent Ntamo, I (Isabella)
2	5	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Brent, M (Marlo)				Opponent Els, P (Petri)
3	2	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 4	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Van Wyk, Z (Zia)				Opponent Erasmus, C (Caleb)

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	Rautenbach ,J (Juan)	2	2	425	2	2	425	0	0	0	0	0	0
1	Rautenbach ,J (Juan)	2	1199.4	1624.4	2	1198.7	1624.4	0	0	0	0	0	0
2	Lin ,J (Junming)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Lin ,J (Junming)	2	1323.6	898.6	2	1313.6	898.6	0	0	0	0	0	0
3	Chauke ,R (Rhulani)	2	2	425	2	2	425	0	0	0	0	0	0
3	Chauke ,R (Rhulani)	2	1193.8	1618.8	2	1191.8	1618.8	0	0	0	0	0	0
4	Fourie ,S (Steph)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
4	Fourie ,S (Steph)	2	1277.4	1064.9	1	1200	1277.4	1	1292	852.4	0	0	0
5	Patterson ,E (Eli)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Patterson ,E (Eli)	1	1157.7	1157.7	1	1167.6	1157.7	0	0	0	0	0	0
6	Carney ,E (Evangeline)	1	1	425	1	1	425	0	0	0	0	0	0
6	Carney ,E (Evangeline)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Dachs ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dachs ,L (Liam)	1	1202.7	1627.7	1	1203.2	1627.7	0	0	0	0	0	0
8	Kleijnhans ,M (Mila)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Kleijnhans ,M (Mila)	1	994.4	994.4	1	974.4	994.4	0	0	0	0	0	0
9	Viljoen ,L (Lihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Viljoen ,L (Lihan)	1	1291.2	866.2	1	1283.2	866.2	0	0	0	0	0	0
10	Kramer ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kramer ,R (Ruben)	1	1213.4	1638.4	1	1178.4	1638.4	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

Louw, J (Jean)

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