Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, S (Simone)

Chess SA id

2070146106

FIDE id

Date of birth

2007-01-03 (U20)

Gender

Female

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1208.3	1209.6	1200	1200
Raw rating	1208.3	1209.6	1200	1200
Weighted rating	1208.3	1209.6	1200	1200
Weighted performance	0	0	0	0
Floor	708.3	709.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.9	163.6	165.8	165.8
Highest rating	1234.4 2023-07-01	1232.9 2023-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1208.3 2024-03-01	1209.6 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1208.3 2025-06-01	1209.6 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1234.4 2023-07-01	1232.9 2023-07-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1208.3	1209.6	1200	1200
Analysis
Rating	1208.3	1209.6	1200	1200
Raw rating	1208.3	1209.6	1200	1200
Weighted rating	1208.3	1209.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	708.3	709.6	700	700
Max/Min rating change allowed	163.9	163.6	165.8	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	1208.3	1209.6	1200	1200
New weighted rating	1208.3	1209.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1208.3	1209.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1208.3	1209.6	1200	1200
New K-factor	36	36	36	36
New floor	708.3	709.6	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	4	4
	5	5
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	9	4.5	50	0	1210.1	1210.1
Standard	9	4.5	50	0	1210.1	1210.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1208.3	1209.6	1200	1200
2025-09-30	1208.3	1209.6	1200	1200
2025-09-01	1208.3	1209.6	1200	1200
2025-08-01	1208.3	1209.6	1200	1200
2025-07-01	1208.3	1209.6	1200	1200
2025-06-01	1208.3	1209.6	1200	1200
2025-05-01	1208.3	1209.6	1200	1200
2025-04-01	1208.3	1209.6	1200	1200
2025-03-01	1208.3	1209.6	1200	1200
2025-02-01	1208.3	1209.6	1200	1200
2025-01-01	1208.3	1209.6	1200	1200
2024-12-01	1208.3	1209.6	1200	1200
2024-11-01	1208.3	1209.6	1200	1200
2024-10-01	1208.3	1209.6	1200	1200
2024-09-01	1208.3	1209.6	1200	1200
2024-08-01	1208.3	1209.6	1200	1200
2024-07-01	1208.3	1209.6	1200	1200
2024-09-01	1208.3	1209.6	1200	1200
2024-05-01	1208.3	1209.6	1200	1200
2024-04-01	1208.3	1209.6	1200	1200
2024-03-01	1208.3	1209.6	1200	1200
2024-02-01	1208.3	1209.6	1200	1200
2024-01-01	1208.3	1209.6	1200	1200
2023-12-01	1208.3	1209.6	1200	1200

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	D2 School League Finals 2023 (U19 Girls)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	4	2.5	Yes	Analysis
2	2022 Gauteng Schools Team Championships (U19 Girls)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 0.5	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Thebe, P (Ponatshego)				Opponent Ikalafeng, T (Tshegofatso)
2	2	Tournament 2022 Gauteng Schools Team Championships				Tournament D2 School League Finals 2023
		date 2022-08-26	rnd 5	type Standard	result 0.5	date 2023-07-22	rnd 1	type Standard	result 1
		Opponent Duwarka, IJ (Ishka Jo-Anne)				Opponent Selahle, T (Tshepang)
3	1	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 3	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Rasebotha, P (Precious)				Opponent Rasebotha, P (Precious)

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 0.5	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Thebe, P (Ponatshego)				Opponent Ikalafeng, T (Tshegofatso)
2	2	Tournament 2022 Gauteng Schools Team Championships				Tournament D2 School League Finals 2023
		date 2022-08-26	rnd 5	type Standard	result 0.5	date 2023-07-22	rnd 1	type Standard	result 1
		Opponent Duwarka, IJ (Ishka Jo-Anne)				Opponent Selahle, T (Tshepang)
3	1	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 3	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Rasebotha, P (Precious)				Opponent Rasebotha, P (Precious)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 4	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Ikalafeng, T (Tshegofatso)				Opponent Ikalafeng, T (Tshegofatso)
2	1	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 1	type Standard	result 1
		Opponent Selahle, T (Tshepang)				Opponent Selahle, T (Tshepang)
3	1	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 3	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Rasebotha, P (Precious)				Opponent Rasebotha, P (Precious)

#	Games	Start				End
1	1	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 4	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Ikalafeng, T (Tshegofatso)				Opponent Ikalafeng, T (Tshegofatso)
2	1	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 1	type Standard	result 1
		Opponent Selahle, T (Tshepang)				Opponent Selahle, T (Tshepang)
3	1	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 3	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Rasebotha, P (Precious)				Opponent Rasebotha, P (Precious)

No games found.

#	Games	Start				End

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	Selahle ,T (Tshepang)	1	1	425	1	1	425	0	0	0	0	0	0
1	Selahle ,T (Tshepang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Duwarka ,IJ (Ishka Jo-Anne)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Duwarka ,IJ (Ishka Jo-Anne)	1	1148.9	1148.9	1	1138.4	1148.9	0	0	0	0	0	0
3	Jain ,C (Chesta)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Jain ,C (Chesta)	1	1161.4	1161.4	1	1151.8	1161.4	0	0	0	0	0	0
4	Rasebotha ,P (Precious)	1	1	425	1	1	425	0	0	0	0	0	0
4	Rasebotha ,P (Precious)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mahlangu ,B (Belinda)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mahlangu ,B (Belinda)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Thebe ,P (Ponatshego)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Thebe ,P (Ponatshego)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Valoi ,G (Gina)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Valoi ,G (Gina)	1	1380.5	955.5	1	1379.1	955.5	0	0	0	0	0	0
8	Kgonthe ,N (Neo Kabelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kgonthe ,N (Neo Kabelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Ikalafeng ,T (Tshegofatso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ikalafeng ,T (Tshegofatso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Der Merwe, S (Simone)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms