Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, J (Janli)

Chess SA id

2160300111

FIDE id

Date of birth

2016-06-22 (U10)

Gender

Female

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

1174.5

Item	Main	Standard	Rapid	Blitz
Rating	1283	1204.3	1308.7	1200
Raw rating	1283	1204.3	1308.7	1200
Weighted rating	1218.6	1162.1	1258.4	1200
Weighted performance	1230.6	1185.4	0	0
Floor	818.9	741	808.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.3	164.8	142	165.8
Highest rating	1318.9 2025-09-01	1241 2025-09-01	1308.7 2025-03-01	1200 2024-04-01
Highest raw rating	1318.9 2025-09-01	1241 2025-09-01	1308.7 2025-03-01	1200 2024-04-01
Highest weighted rating	1317.1 2024-03-01	1223.7 2024-03-01	1245.5 2025-08-01	1200 2024-04-01
Highest weighted performance	1317.1 2025-06-01	1226 2025-09-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1283	1204.3	1308.7	1200
Analysis
Rating	1283	1204.3	1308.7	1200
Raw rating	1283	1204.3	1308.7	1200
Weighted rating	1218.6	1162.1	1258.4
Weighted performance	1230.6	1185.4	0
K-factor	36	36	36	36
Floor	818.9	741	808.7	700
Max/Min rating change allowed	147.3	164.8	142	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	1283	1204.3	1308.7	1200
New weighted rating	1225.8	1166	1264.2	1200
New weighted performance	1230.2	1185	0	0
Temp new rating	1283	1204.3	1308.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1283	1204.3	1308.7	1200
New K-factor	36	36	36	36
New floor	818.9	741	808.7	700

Item	Main	Standard	Rapid
	0	0	0
	39	21	18
	30	25	5
	0	0	0
	0	0	0
	0	0	0
History	69	46	23

Games since
	Main 69	Standard 46		Rapid 23		Blitz 0
Gender	Female
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3348		1093		93
Female	711		291		30
U10	284		96		17
U10 Female	56		27		4
Standard
	RSA		Province		Region
Overall	3897		1103		72
Female	938		348		24
U10	364		108		14
U10 Female	81		32		4
Rapid
	RSA		Province		Region
Overall	998		516		58
Female	169		97		16
U10	78		41		15
U10 Female	13		9		4
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-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	39	23	58.97	76.3	1243.4	1319.7
Standard	21	11.5	54.76	40.5	1266.9	1307.4
Rapid	18	11.5	63.89	118.1	1216	1334.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	33	47.83	-18.5	1219.8	1201.3
Standard	46	19	41.3	-73.9	1226.6	1152.7
Rapid	23	14	60.87	92.4	1206.2	1298.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1283	1204.3	1308.7	1200
2025-09-01	1318.9	1241	1308.7	1200
2025-08-01	1317.1	1223.7	1308.7	1200
2025-07-01	1317.1	1223.7	1308.7	1200
2025-06-01	1317.1	1223.7	1308.7	1200
2025-05-01	1314.9	1190.3	1308.7	1200
2025-04-01	1314.9	1190.3	1308.7	1200
2025-03-01	1225.2	1127.8	1308.7	1200
2025-02-01	1133	1126.4	1198	1200
2025-01-01	1089.7	1080	1197.2	1200
2024-12-01	1089.7	1080	1197.2	1200
2024-11-01	1089.7	1080	1197.2	1200
2024-10-01	1090.7	1083.2	1197.2	1200
2024-09-01	1116.6	1111.6	1197.2	1200
2024-08-01	1116.6	1111.6	1197.2	1200
2024-07-01	1089	1069.2	1197.2	1200
2024-06-01	1089	1069.2	1197.2	1200
2024-08-01	1157.4	1153.2	1197.2	1200
2024-04-01	1157.4	1153.2	1197.2	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	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
6	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Overberg Schools & Federation Open 2025 (U9)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	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	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
6	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Overberg Schools & Federation Open 2025 (U9)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
8	Strategema Chess October 2024 (U9)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	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 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
12	Overberg Schools - PS Closed 2024 (U9 Girls)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
13	Overberg Schools - PS Trials Region 3 2024 (U9 Girls)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	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 3	type Standard	result 1
		Opponent Harikisun, A (Aaheli)				Opponent Shai, M (Mpho)
2	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Botha, B (Brandon)				Opponent Avenant, J (Jone)
3	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Finlayson, T (Theodore)				Opponent Oberholzer, C (Carmi)

#	Games	Start				End
1	5	Tournament Strategema Chess October 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-10-05	rnd 4	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, S (Shaundre)				Opponent Shai, M (Mpho)
2	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Finlayson, T (Theodore)				Opponent Oberholzer, C (Carmi)
3	3	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Warner, A (Amalia)

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Botha, B (Brandon)				Opponent Avenant, J (Jone)
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 0.5
		Opponent Harikisun, A (Aaheli)				Opponent de Villiers, I (Isabelle)
3	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 3	type Rapid	result 1	date 2025-02-08	rnd 4	type Rapid	result 1
		Opponent De Bod, D (Daniel)				Opponent Du Preez, J (Janco)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Botha, B (Brandon)				Opponent Avenant, J (Jone)
2	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Finlayson, T (Theodore)				Opponent Oberholzer, C (Carmi)
3	3	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Warner, A (Amalia)

#	Games	Start				End
1	5	Tournament Strategema Chess October 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-10-05	rnd 4	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Toit, S (Shaundre)				Opponent Shai, M (Mpho)
2	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Finlayson, T (Theodore)				Opponent Oberholzer, C (Carmi)
3	3	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Warner, A (Amalia)

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Botha, B (Brandon)				Opponent Avenant, J (Jone)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 3	type Rapid	result 1	date 2025-02-08	rnd 4	type Rapid	result 1
		Opponent De Bod, D (Daniel)				Opponent Du Preez, J (Janco)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Van Geems, A (Amandri)				Opponent Rathbone, J (Jackson)

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	Faasen ,C (Charles)	4	0	-425	2	0	-425	2	0	-425	0	0	0
1	Faasen ,C (Charles)	4	1319.1	894.1	2	1346.1	894.1	2	1268.1	894.1	0	0	0
2	Van Rensburg ,A (Aubrielle)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Van Rensburg ,A (Aubrielle)	3	1132.1	707.1	2	1110.2	707.1	1	1175.6	707.1	0	0	0
3	Rock ,A (Albert)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Rock ,A (Albert)	2	1174.4	749.4	2	1190.4	749.4	0	0	0	0	0	0
4	Harikisun ,A (Acira)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Harikisun ,A (Acira)	2	1205.6	780.6	2	1196.8	780.6	0	0	0	0	0	0
5	Shai ,M (Mpho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Shai ,M (Mpho)	2	1196.6	1409.1	2	1164.4	1409.1	0	0	0	0	0	0
6	Tshota ,E (Enkosi)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Tshota ,E (Enkosi)	2	1254.4	829.4	1	1174.9	829.4	1	1214	829.4	0	0	0
7	Orban ,B (Benjamin)	2	2	425	1	1	425	1	1	425	0	0	0
7	Orban ,B (Benjamin)	2	1226.9	1651.9	1	1199.8	1651.9	1	1272	1651.9	0	0	0
8	Pretorius ,P (Pippa)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
8	Pretorius ,P (Pippa)	2	1196.1	1408.6	1	1197.8	1196.1	1	1200	1621.1	0	0	0
9	Du Preez ,J (Janco)	2	1	0	0	0	0	2	1	0	0	0	0
9	Du Preez ,J (Janco)	2	1244.1	1244.1	0	0	0	2	1233.2	1244.1	0	0	0
10	Muller ,E (Esra)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Muller ,E (Esra)	1	1218.8	793.8	1	1222.5	793.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marais, J (Janli)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms