Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, S (Sibylie)

Chess SA id

269020806

FIDE id

Date of birth

1969-02-19 (Adult)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

PA,NI

Chess SA registered

Last active game

2023-10-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1440.2	1471.9	1440.8	1518
Raw rating	1440.2	1471.9	1440.8	1518
Weighted rating	1438.7	1471.9	1437.7	1518
Weighted performance	0	0	0	0
Floor	1018	1018	1018	1018
K-factor	32	32	32	32
Min/Max rating change allowed	117.8	112.6	117.7	105.4
Highest rating	1518 2018-02-01	1518 2018-02-01	1518 2018-05-01	1518 2018-05-01
Highest raw rating	1518 2018-02-01	1518 2018-02-01	1518 2019-12-01	1518 2024-03-01
Highest weighted rating	1518 2018-02-01	1518 2018-02-01	1518 2018-05-01	1518 2018-05-01
Highest weighted performance	1376.3 2019-04-01	1375.5 2019-04-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1440.2	1471.9	1440.8	1518
Analysis
Rating	1440.2	1471.9	1440.8	1518
Raw rating	1440.2	1471.9	1440.8	1518
Weighted rating	1438.7	1471.9	1437.7
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	1018	1018	1018	1018
Max/Min rating change allowed	117.8	112.6	117.7	105.4
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	1440.2	1471.9	1440.8	1518
New weighted rating	1438.9	1471.9	1438.1	1518
New weighted performance	0	0	0	0
Temp new rating	1440.2	1471.9	1440.8	1518
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1440.2	1471.9	1440.8	1518
New K-factor	32	32	32	32
New floor	1018	1018	1018	1018

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
	0	0	0
History	326	321	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Female
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	6.5	43.33	-56.7	1331.3	1274.6
Standard	10	4.5	45	-42.5	1419.8	1377.2
Rapid	5	2	40	-85	1154.4	1069.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1440.2	1471.9	1440.8	1518
2025-09-01	1440.2	1471.9	1440.8	1518
2025-08-01	1440.2	1471.9	1440.8	1518
2025-07-01	1440.2	1471.9	1440.8	1518
2025-06-01	1440.2	1471.9	1440.8	1518
2025-05-01	1440.2	1471.9	1440.8	1518
2025-04-01	1440.2	1471.9	1440.8	1518
2025-03-01	1440.2	1471.9	1440.8	1518
2025-02-01	1440.2	1471.9	1440.8	1518
2025-01-01	1436.3	1471.9	1432.9	1518
2024-12-01	1436.3	1471.9	1432.9	1518
2024-11-01	1436.3	1471.9	1432.9	1518
2024-10-01	1436.3	1471.9	1432.9	1518
2024-09-01	1436.3	1471.9	1432.9	1518
2024-08-01	1436.3	1471.9	1432.9	1518
2024-07-01	1436.3	1471.9	1432.9	1518
2024-06-01	1436.3	1471.9	1432.9	1518
2024-08-01	1436.3	1471.9	1432.9	1518
2024-04-01	1436.3	1471.9	1432.9	1518
2024-03-01	1436.3	1471.9	1432.9	1518
2024-02-01	1436.3	1471.9	1432.9	1518
2024-01-01	1436.3	1471.9	1432.9	1518
2023-12-01	1436.3	1471.9	1432.9	1518
2023-11-01	1436.3	1471.9	1432.9	1518

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Dr Pieter Hangelbroek Rapid 2023 (A)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	Dirk de Koster Chess Open 2019 (A)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
3	2018 Volkskool Open (A)	2018-02-17	2018-02-17	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 0.5
		Opponent Nolan, RR (Ricco)				Opponent Verhoef, J (Jan-Meyer)
2	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Venter, M (Margaretha Aw)				Opponent Botes, A (Arne)
3	2	Tournament 2018 Volkskool Open				Tournament Dirk de Koster Chess Open 2019
		date 2018-02-17	rnd 5	type Standard	result 0.5	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Mphela, L (Lebohang)				Opponent Mashiane, K (Koena)

#	Games	Start				End
1	3	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 0.5
		Opponent Nolan, RR (Ricco)				Opponent Verhoef, J (Jan-Meyer)
2	2	Tournament 2018 Volkskool Open				Tournament Dirk de Koster Chess Open 2019
		date 2018-02-17	rnd 5	type Standard	result 0.5	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Mphela, L (Lebohang)				Opponent Mashiane, K (Koena)
3	1	Tournament 2018 Volkskool Open				Tournament 2018 Volkskool Open
		date 2018-02-17	rnd 1	type Standard	result 0.5	date 2018-02-17	rnd 1	type Standard	result 0.5
		Opponent Lebea, BE (Botlhale)				Opponent Lebea, BE (Botlhale)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Venter, M (Margaretha Aw)				Opponent Botes, A (Arne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Venter, M (Margaretha Aw)				Opponent Botes, A (Arne)
2	2	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Nolan, RR (Ricco)				Opponent Huisamen, D (De Villiers)
3	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Mashiane, K (Koena)				Opponent Mashiane, K (Koena)

#	Games	Start				End
1	2	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Nolan, RR (Ricco)				Opponent Huisamen, D (De Villiers)
2	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Mashiane, K (Koena)				Opponent Mashiane, K (Koena)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Venter, M (Margaretha Aw)				Opponent Botes, A (Arne)

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	Naidoo ,R (Rayna)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Naidoo ,R (Rayna)	1	1246.2	821.2	1	1252.8	821.2	0	0	0	0	0	0
2	Mthunzi ,B (Brighton)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mthunzi ,B (Brighton)	1	2036.9	1611.9	1	2032	1611.9	0	0	0	0	0	0
3	Emanuel ,P (Prithee)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Emanuel ,P (Prithee)	1	1027	602	1	1038.3	602	0	0	0	0	0	0
4	Lebea ,BE (Botlhale Ezekial)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Lebea ,BE (Botlhale Ezekial)	1	1942	1942	1	1942	1942	0	0	0	0	0	0
5	Nolan ,RR (Ricco Richard)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nolan ,RR (Ricco Richard)	1	1289	1714	1	1279.3	1714	0	0	0	0	0	0
6	Mphela ,L (Lebohang)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Mphela ,L (Lebohang)	1	1132.7	1132.7	1	1130	1132.7	0	0	0	0	0	0
7	Verhoef ,J (Jan-Meyer)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Verhoef ,J (Jan-Meyer)	1	1572.5	1572.5	1	1579.3	1572.5	0	0	0	0	0	0
8	Huisamen ,D (De Villiers)	1	1	425	1	1	425	0	0	0	0	0	0
8	Huisamen ,D (De Villiers)	1	1191.1	1616.1	1	1188.1	1616.1	0	0	0	0	0	0
9	Mashiane ,K (Koena)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mashiane ,K (Koena)	1	1139.2	1564.2	1	1127.6	1564.2	0	0	0	0	0	0
10	Lesuthu ,KM (Kali Moses)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lesuthu ,KM (Kali Moses)	1	1620.6	1195.6	1	1628.2	1195.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Marais, S (Sibylie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms