Chess South Africa Ratings Database

PLAYER PAGE

Personal

Louw, S (Sarel Johannes)

Chess SA id

1170300085

FIDE id

Date of birth

2017-04-07 (U10)

Gender

Male

Region

Overberg (WOS)

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

1187.5

Item	Main	Standard	Rapid	Blitz
Rating	1298.6	1254	1353.9	1200
Raw rating	1298.6	1254	1353.9	1200
Weighted rating	1244.6	1203.3	1282.7	1200
Weighted performance	1272.9	1224.7	0	0
Floor	798.6	754	853.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	144.1	153.5	133.2	165.8
Highest rating	1298.6 2025-09-30	1261.2 2024-07-01	1353.9 2025-03-01	1200 2024-04-01
Highest raw rating	1298.6 2025-09-30	1254 2025-09-30	1353.9 2025-03-01	1200 2024-04-01
Highest weighted rating	1290.1 2024-09-01	1234.2 2024-09-01	1264.5 2025-08-01	1200 2024-04-01
Highest weighted performance	1284 2025-03-01	1261.2 2024-07-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1298.6	1254	1353.9	1200
Analysis
Rating	1298.6	1254	1353.9	1200
Raw rating	1298.6	1254	1353.9	1200
Weighted rating	1244.6	1203.3	1282.7
Weighted performance	1272.9	1224.7	0
K-factor	36	36	36	36
Floor	798.6	754	853.9	700
Max/Min rating change allowed	144.1	153.5	133.2	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	1298.6	1254	1353.9	1200
New weighted rating	1250.2	1207.5	1291.1	1200
New weighted performance	1272.5	1224.3	0	0
Temp new rating	1298.6	1254	1353.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1298.6	1254	1353.9	1200
New K-factor	36	36	36	36
New floor	798.6	754	853.9	700

Item	Main	Standard	Rapid
	0	0	0
	33	15	18
	33	28	5
	0	0	0
	0	0	0
	0	0	0
History	66	43	23

Games since
	Main 66	Standard 43		Rapid 23		Blitz 0
Gender	Male
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3209		1045		85
Male	2527		766		56
U10	263		85		15
U10 Male	214		62		12
Standard
	RSA		Province		Region
Overall	3479		990		65
Male	2680		693		45
U10	299		89		12
U10 Male	240		64		10
Rapid
	RSA		Province		Region
Overall	719		371		40
Male	601		308		29
U10	47		25		7
U10 Male	40		20		6
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	33	20.5	62.12	103	1249.5	1352.6
Standard	15	8.5	56.67	56.7	1243.3	1300
Rapid	18	12	66.67	141.7	1254.7	1396.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	66	35	53.03	25.8	1251.2	1276.9
Standard	43	20.5	47.67	-19.8	1256.3	1236.5
Rapid	23	14.5	63.04	110.9	1241.7	1352.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1298.6	1254	1353.9	1200
2025-09-01	1292.3	1233.2	1353.9	1200
2025-08-01	1272.9	1196.6	1353.9	1200
2025-07-01	1272.9	1196.6	1353.9	1200
2025-06-01	1272.9	1196.6	1353.9	1200
2025-05-01	1272.9	1196.6	1353.9	1200
2025-04-01	1272.9	1196.3	1353.9	1200
2025-03-01	1290.1	1196.9	1353.9	1200
2025-02-01	1199.7	1195.2	1197.5	1200
2025-01-01	1185.1	1169	1196.4	1200
2024-12-01	1185.1	1169	1196.4	1200
2024-11-01	1185.1	1169	1196.4	1200
2024-10-01	1185.1	1169	1196.4	1200
2024-09-01	1231.7	1234.2	1196.4	1200
2024-08-01	1231.7	1234.2	1196.4	1200
2024-07-01	1215.6	1221.6	1196.4	1200
2024-06-01	1215.6	1221.6	1196.4	1200
2024-08-01	1195.7	1199.2	1196.4	1200
2024-04-01	1195.7	1199.2	1196.4	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	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U9)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	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 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U9 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U9)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Overberg GP Invitational Day 2 2024 (C)	2024-09-27	2024-09-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
8	Overberg GP Invitational Day 1 2024 (C)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U7 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
10	Overberg Schools - Top Schools 2024 (U7+U9 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U7 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
12	Overberg Schools - PS Closed 2024 (U7 Mixed)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
13	Overberg Schools - PS Trials Region 3 2024 (U7 Mixed)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Lourens, L (Lihan)
2	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Bayer, M (Mone)				Opponent Van Huyssteen, A (Alexander)
3	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kuhn, D (Dian)				Opponent Oosthuizen, J (Josua)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Bayer, M (Mone)				Opponent Van Huyssteen, A (Alexander)
2	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 3	type Standard	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Myburgh, J (Joshua)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Jonker, W (William)				Opponent Rostoll, A (Arno)

#	Games	Start				End
1	5	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Lourens, L (Lihan)
2	3	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 3	type Rapid	result 1
		Opponent Fourie, C (Cj)				Opponent Loubser, R (Ruhan)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Kuhn, D (Dian)				Opponent Huisamen, H (Heinrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Lourens, L (Lihan)
2	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Bayer, M (Mone)				Opponent Van Huyssteen, A (Alexander)
3	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Kuhn, D (Dian)				Opponent Oosthuizen, J (Josua)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Bayer, M (Mone)				Opponent Van Huyssteen, A (Alexander)
2	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 3	type Standard	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Myburgh, J (Joshua)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Jonker, W (William)				Opponent Rostoll, A (Arno)

#	Games	Start				End
1	5	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 2	type Rapid	result 1
		Opponent Van Rensburg, A (Aubrielle)				Opponent Lourens, L (Lihan)
2	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Kuhn, D (Dian)				Opponent Huisamen, H (Heinrich)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Schoeman, S (Stiaan)				Opponent Lourens, L (Lihan)

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	Coetzer ,R (Rossouw)	9	2	-236.1	6	2	-141.7	3	0	-425	0	0	0
1	Coetzer ,R (Rossouw)	9	1364.3	1128.1	6	1332.8	1222.6	3	1284.3	939.3	0	0	0
2	Buhr ,W (Wilhelm)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Buhr ,W (Wilhelm)	3	1165	1023.4	3	1127.7	1023.4	0	0	0	0	0	0
3	Fourie ,C (Cj)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
3	Fourie ,C (Cj)	3	1194.3	1477.7	2	1188.4	1406.8	1	1200	1619.3	0	0	0
4	Lourens ,L (Lihan)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
4	Lourens ,L (Lihan)	3	1282.1	1423.8	0	0	0	3	1326.8	1423.8	0	0	0
5	Van Der Merwe ,F (Finley)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van Der Merwe ,F (Finley)	2	1334.2	909.2	2	1336.5	909.2	0	0	0	0	0	0
6	Oosthuizen ,J (Josua)	2	2	425	2	2	425	0	0	0	0	0	0
6	Oosthuizen ,J (Josua)	2	1196.2	1621.2	2	1201.8	1621.2	0	0	0	0	0	0
7	Du Preez ,A (Anneke)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Du Preez ,A (Anneke)	2	1466	1041	2	1467.5	1041	0	0	0	0	0	0
8	Avenant ,J (Jone)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
8	Avenant ,J (Jone)	2	1181.6	1394.1	1	1214	1606.6	1	1160	1181.6	0	0	0
9	De Bod ,D (Daniel)	2	2	425	1	1	425	1	1	425	0	0	0
9	De Bod ,D (Daniel)	2	1204.1	1629.1	1	1200	1629.1	1	1216.8	1629.1	0	0	0
10	Lingenfelder ,S (Stephanus)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Lingenfelder ,S (Stephanus)	2	1276.3	851.3	0	0	0	2	1313.2	851.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Louw, S (Sarel Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms