Chess South Africa Ratings Database

PLAYER PAGE

Personal

van der Merwe, I (Ineke)

Chess SA id

299006248

FIDE id

Date of birth

1999-01-20 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-12-06

Personal details last changed

2025-01-31

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1328.9	1326.9	1310.3	1310.3
Raw rating	1328.9	1326.9	1310.3	1310.3
Weighted rating	1328.9	1326.9	1310.3	1310.3
Weighted performance	0	0	0	0
Floor	828.9	826.9	810.3	810.3
K-factor	36	36	36	36
Min/Max rating change allowed	138	138.4	141.7	141.7
Highest rating	1328.9 2024-02-01	1326.9 2024-02-01	1310.3 2019-08-01	1310.3 2019-08-01
Highest raw rating	1328.9 2024-02-01	1326.9 2024-02-01	1310.3 2024-02-01	1310.3 2024-02-01
Highest weighted rating	1328.9 2024-02-01	1326.9 2024-02-01	1310.3 2019-08-01	1310.3 2019-08-01
Highest weighted performance	1274.8 2019-12-01	1268.7 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1328.9	1326.9	1310.3	1310.3
Analysis
Rating	1328.9	1326.9	1310.3	1310.3
Raw rating	1328.9	1326.9	1310.3	1310.3
Weighted rating	1328.9	1326.9	1310.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	828.9	826.9	810.3	810.3
Max/Min rating change allowed	138	138.4	141.7	141.7
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	1328.9	1326.9	1310.3	1310.3
New weighted rating	1328.9	1326.9	1310.3	1310.3
New weighted performance	0	0	0	0
Temp new rating	1328.9	1326.9	1310.3	1310.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1328.9	1326.9	1310.3	1310.3
New K-factor	36	36	36	36
New floor	828.9	826.9	810.3	810.3

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	354	354

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Tshwane (GTP)
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	18	13	72.22	188.9	1100.9	1289.8
Standard	18	13	72.22	188.9	1100.9	1289.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1328.9	1326.9	1310.3	1310.3
2025-09-30	1328.9	1326.9	1310.3	1310.3
2025-09-01	1328.9	1326.9	1310.3	1310.3
2025-08-01	1328.9	1326.9	1310.3	1310.3
2025-07-01	1328.9	1326.9	1310.3	1310.3
2025-06-01	1328.9	1326.9	1310.3	1310.3
2025-05-01	1328.9	1326.9	1310.3	1310.3
2025-04-01	1328.9	1326.9	1310.3	1310.3
2025-03-01	1328.9	1326.9	1310.3	1310.3
2025-02-01	1328.9	1326.9	1310.3	1310.3
2025-01-01	1328.9	1326.9	1310.3	1310.3
2024-12-01	1328.9	1326.9	1310.3	1310.3
2024-11-01	1328.9	1326.9	1310.3	1310.3
2024-10-01	1328.9	1326.9	1310.3	1310.3
2024-09-01	1328.9	1326.9	1310.3	1310.3
2024-08-01	1328.9	1326.9	1310.3	1310.3
2024-07-01	1328.9	1326.9	1310.3	1310.3
2024-09-01	1328.9	1326.9	1310.3	1310.3
2024-05-01	1328.9	1326.9	1310.3	1310.3
2024-04-01	1328.9	1326.9	1310.3	1310.3
2024-03-01	1328.9	1326.9	1310.3	1310.3
2024-02-01	1328.9	1326.9	1310.3	1310.3
2024-01-01	1328.9	1326.9	1310.3	1310.3
2023-12-01	1328.9	1326.9	1310.3	1310.3

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	2019 USSA Championships (Women)	2019-12-02	2019-12-06	Standard	Sarah Baartman (ESB)	9	9	7	Yes	Analysis
2	2018 USSA Championship (Ladies)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	6	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 5	type Standard	result 0.5	date 2019-12-06	rnd 9	type Standard	result 1
		Opponent Marope, R (Rebaone)				Opponent Malinga, N (Nombuyiselo)
2	5	Tournament 2018 USSA Championship				Tournament 2019 USSA Championships
		date 2018-07-06	rnd 8	type Standard	result 0.5	date 2019-12-03	rnd 3	type Standard	result 1
		Opponent Philander, P (Pharin)				Opponent Mngomezulu, N (Ntombikhona)
3	4	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 3	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Cele, M (Mandisa)				Opponent Yende, T (Thokozile)

#	Games	Start				End
1	5	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 5	type Standard	result 0.5	date 2019-12-06	rnd 9	type Standard	result 1
		Opponent Marope, R (Rebaone)				Opponent Malinga, N (Nombuyiselo)
2	5	Tournament 2018 USSA Championship				Tournament 2019 USSA Championships
		date 2018-07-06	rnd 8	type Standard	result 0.5	date 2019-12-03	rnd 3	type Standard	result 1
		Opponent Philander, P (Pharin)				Opponent Mngomezulu, N (Ntombikhona)
3	4	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 3	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Cele, M (Mandisa)				Opponent Yende, T (Thokozile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2018 USSA Championship				Tournament 2019 USSA Championships
		date 2018-07-06	rnd 9	type Standard	result 1	date 2019-12-03	rnd 3	type Standard	result 1
		Opponent Sepuru, R (Robin)				Opponent Mngomezulu, N (Ntombikhona)
2	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-06	rnd 8	type Standard	result 1	date 2019-12-06	rnd 9	type Standard	result 1
		Opponent Moloto, L (Lebogang)				Opponent Malinga, N (Nombuyiselo)
3	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 3	type Standard	result 1	date 2018-07-03	rnd 4	type Standard	result 1
		Opponent Cele, M (Mandisa)				Opponent Skermand, JL (Jamie-Lee)

#	Games	Start				End
1	4	Tournament 2018 USSA Championship				Tournament 2019 USSA Championships
		date 2018-07-06	rnd 9	type Standard	result 1	date 2019-12-03	rnd 3	type Standard	result 1
		Opponent Sepuru, R (Robin)				Opponent Mngomezulu, N (Ntombikhona)
2	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-06	rnd 8	type Standard	result 1	date 2019-12-06	rnd 9	type Standard	result 1
		Opponent Moloto, L (Lebogang)				Opponent Malinga, N (Nombuyiselo)
3	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 3	type Standard	result 1	date 2018-07-03	rnd 4	type Standard	result 1
		Opponent Cele, M (Mandisa)				Opponent Skermand, JL (Jamie-Lee)

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	Mpofu ,N (Nobuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mpofu ,N (Nobuhle)	1	833	408	1	833	408	0	0	0	0	0	0
2	Wilke ,EG (Eljeanie Genevieve)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Wilke ,EG (Eljeanie Genevieve)	1	1489.1	1064.1	1	1489.1	1064.1	0	0	0	0	0	0
3	Moloto ,L (Lebogang)	1	1	425	1	1	425	0	0	0	0	0	0
3	Moloto ,L (Lebogang)	1	1111	1536	1	1111.4	1536	0	0	0	0	0	0
4	Mkhize ,N (Nomthandazo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Mkhize ,N (Nomthandazo)	1	755.7	755.7	1	772.8	755.7	0	0	0	0	0	0
5	Makwaeba ,BM (Bonolo Maria)	1	1	425	1	1	425	0	0	0	0	0	0
5	Makwaeba ,BM (Bonolo Maria)	1	594.8	1019.8	1	594.8	1019.8	0	0	0	0	0	0
6	Oberholzer ,M (Marni)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Oberholzer ,M (Marni)	1	1598.4	1598.4	1	1608.2	1598.4	0	0	0	0	0	0
7	Philander ,P (Pharin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Philander ,P (Pharin)	1	1238.1	1238.1	1	1238.1	1238.1	0	0	0	0	0	0
8	Fritz ,K (Kaylyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Fritz ,K (Kaylyn)	1	1519	1094	1	1517.9	1094	0	0	0	0	0	0
9	Mngomezulu ,N (Ntombikhona)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mngomezulu ,N (Ntombikhona)	1	977.7	1402.7	1	909.6	1402.7	0	0	0	0	0	0
10	Malinga ,N (Nombuyiselo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Malinga ,N (Nombuyiselo)	1	1182.3	1607.3	1	1178.4	1607.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

van der Merwe, I (Ineke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms