Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oberholzer, M (Marni)

Chess SA id

200028687

FIDE id

Date of birth

2000-04-20 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1569.3	1541.6	1613	1470
Raw rating	1569.3	1541.6	1613	1470
Weighted rating	1568.9	1541.6	1613	1470
Weighted performance	329.7	264.5	0	0
Floor	1113	1113	1113	1113
K-factor	28	28	28	28
Min/Max rating change allowed	98	101.9	92.1	112.9
Highest rating	1613 2018-01-01	1613 2018-01-01	1613 2024-02-01	1613 2018-08-01
Highest raw rating	1613 2018-01-01	1613 2018-01-01	1613 2024-02-01	1613 2018-02-01
Highest weighted rating	1613 2018-01-01	1613 2018-01-01	1613 2024-02-01	1613 2018-08-01
Highest weighted performance	1607 2018-01-01	1607 2018-01-01	1200 2024-02-01	1423.6 2018-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1569.3	1541.6	1613	1470
Analysis
Rating	1569.3	1541.6	1613	1470
Raw rating	1569.3	1541.6	1613	1470
Weighted rating	1568.9	1541.6	1613
Weighted performance	329.7	264.5	0
K-factor	28	28	28	28
Floor	1113	1113	1113	1113
Max/Min rating change allowed	98	101.9	92.1	112.9
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	1569.3	1541.6	1613	1470
New weighted rating	1569.2	1541.6	1613	1470
New weighted performance	329.3	264	0	0
Temp new rating	1569.3	1541.6	1613	1470
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1569.3	1541.6	1613	1470
New K-factor	28	28	28	28
New floor	1113	1113	1113	1113

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	730	711	19

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	39	21.5	55.13	43.6	1370.4	1414
Standard	20	11	55	42.5	1444.9	1487.4
Rapid	0	0	0	0	0	0
Blitz	19	10.5	55.26	44.7	1292	1336.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1569.3	1541.6	1613	1470
2025-09-01	1569.3	1541.6	1613	1470
2025-08-01	1569.3	1541.6	1613	1470
2025-07-01	1569.3	1541.6	1613	1470
2025-06-01	1569.3	1541.6	1613	1470
2025-05-01	1569.3	1541.6	1613	1470
2025-04-01	1569.3	1541.6	1613	1470
2025-03-01	1569.3	1541.6	1613	1470
2025-02-01	1569.3	1541.6	1613	1470
2025-01-01	1569.3	1541.6	1613	1470
2024-12-01	1569.3	1541.6	1613	1470
2024-11-01	1569.3	1541.6	1613	1470
2024-10-01	1569.3	1541.6	1613	1470
2024-09-01	1569.3	1541.6	1613	1470
2024-08-01	1569.3	1541.6	1613	1470
2024-07-01	1569.3	1541.6	1613	1470
2024-06-01	1569.3	1541.6	1613	1470
2024-08-01	1569.3	1541.6	1613	1470
2024-04-01	1569.3	1541.6	1613	1470
2024-03-01	1569.3	1541.6	1613	1470
2024-02-01	1569.3	1541.6	1613	1470
2024-01-01	1569.3	1541.6	1613	1470
2023-12-01	1528.1	1541.6	1613	1467.7
2023-11-01	1528.1	1541.6	1613	1467.7

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	2020 Tuks Open (A)	2020-02-22	2020-02-22	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2019 USSA Championships (Women)	2019-12-02	2019-12-06	Standard	Sarah Baartman (ESB)	9	9	6.5	Yes	Analysis
3	2019 USSA Championships (Blitz)	2019-12-04	2019-12-04	Blitz	Sarah Baartman (ESB)	9	9	4.5	Yes	Analysis
4	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	10	6	Yes	Analysis
5	South African Inter Regional Championships 2017	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament 2019 USSA Championships
		date 2018-08-02	rnd 10	type Blitz	result 1	date 2019-12-03	rnd 4	type Standard	result 1
		Opponent Bester, C (Carla)				Opponent Moloto, L (Lebogang)
2	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 4	type Blitz	result 1	date 2018-08-02	rnd 8	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Engelbrecht, H (Hanri)
3	4	Tournament 2019 USSA Championships				Tournament 2020 Tuks Open
		date 2019-12-05	rnd 7	type Standard	result 0.5	date 2020-02-22	rnd 1	type Standard	result 0.5
		Opponent De Beer, I (Ineke)				Opponent Boyisi, A (Aaron)

#	Games	Start				End
1	7	Tournament South African Inter Regional Championships 2017				Tournament 2019 USSA Championships
		date 2018-01-11	rnd 5	type Standard	result 1	date 2019-12-04	rnd 5	type Standard	result 1
		Opponent Tissot Van Patot, A (Anton)				Opponent Mabitsela, KM (Miranda)
2	4	Tournament 2019 USSA Championships				Tournament 2020 Tuks Open
		date 2019-12-05	rnd 7	type Standard	result 0.5	date 2020-02-22	rnd 1	type Standard	result 0.5
		Opponent De Beer, I (Ineke)				Opponent Boyisi, A (Aaron)
3	2	Tournament South African Inter Regional Championships 2017				Tournament South African Inter Regional Championships 2017
		date 2018-01-09	rnd 1	type Standard	result 1	date 2018-01-09	rnd 2	type Standard	result 0.5
		Opponent Seloana, MA (Mosa)				Opponent Ngakane, D (Dan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 4	type Blitz	result 1	date 2018-08-02	rnd 8	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Engelbrecht, H (Hanri)
2	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 8	type Blitz	result 1	date 2019-12-04	rnd 9	type Blitz	result 1
		Opponent Mundama, CK (Celima)				Opponent Ngobeni, N (Nkateko)
3	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 4	type Blitz	result 0.5	date 2019-12-04	rnd 5	type Blitz	result 1
		Opponent Ngcobo, FN (Freedom)				Opponent De Beer, R (Rene)

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 4	type Blitz	result 1	date 2018-08-02	rnd 8	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Engelbrecht, H (Hanri)
2	3	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 8	type Blitz	result 1	date 2019-12-04	rnd 5	type Standard	result 1
		Opponent Mundama, CK (Celima)				Opponent Mabitsela, KM (Miranda)
3	3	Tournament Waterkloof Open Fide Blitz 2018				Tournament 2019 USSA Championships
		date 2018-08-02	rnd 10	type Blitz	result 1	date 2019-12-02	rnd 2	type Standard	result 1
		Opponent Bester, C (Carla)				Opponent Gumede, M (Minenhle)

#	Games	Start				End
1	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-03	rnd 4	type Standard	result 1	date 2019-12-04	rnd 5	type Standard	result 1
		Opponent Moloto, L (Lebogang)				Opponent Mabitsela, KM (Miranda)
2	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-02	rnd 1	type Standard	result 1	date 2019-12-02	rnd 2	type Standard	result 1
		Opponent Ndunakazi, N (Nontobeko)				Opponent Gumede, M (Minenhle)
3	1	Tournament 2020 Tuks Open				Tournament 2020 Tuks Open
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent De Vries, MA (Andrio)				Opponent De Vries, MA (Andrio)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 4	type Blitz	result 1	date 2018-08-02	rnd 8	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Engelbrecht, H (Hanri)
2	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 8	type Blitz	result 1	date 2019-12-04	rnd 9	type Blitz	result 1
		Opponent Mundama, CK (Celima)				Opponent Ngobeni, N (Nkateko)
3	1	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 5	type Blitz	result 1	date 2019-12-04	rnd 5	type Blitz	result 1
		Opponent De Beer, R (Rene)				Opponent De Beer, R (Rene)

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	Mabitsela ,KM (Miranda)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mabitsela ,KM (Miranda)	1	1362.6	1787.6	1	1364.1	1787.6	0	0	0	0	0	0
2	Ndunakazi ,N (Nontobeko)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ndunakazi ,N (Nontobeko)	1	1121.6	1546.6	1	1123.2	1546.6	0	0	0	0	0	0
3	Reyneke ,PJ (Pieter Jakobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Reyneke ,PJ (Pieter Jakobus)	1	1630.5	1205.5	1	1626.7	1205.5	0	0	0	0	0	0
4	Valks ,J (Johan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Valks ,J (Johan)	1	1266	1266	1	1266	1266	0	0	0	0	0	0
5	Mkhize ,N (Nomthandazo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Mkhize ,N (Nomthandazo)	1	1197.2	1197.2	1	1189.1	1197.2	0	0	0	0	0	0
6	Nxumalo ,B (Banele)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nxumalo ,B (Banele)	1	1409.3	984.3	1	1400.2	984.3	0	0	0	0	0	0
7	Mauvhelwana ,N (Ndalama)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mauvhelwana ,N (Ndalama)	1	1195.5	1195.5	1	1200.5	1195.5	0	0	0	0	0	0
8	Seloana ,MA (Mosa Annah)	1	1	425	1	1	425	0	0	0	0	0	0
8	Seloana ,MA (Mosa Annah)	1	1251	1676	1	1251	1676	0	0	0	0	0	0
9	Lekgau ,M (Mothupi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lekgau ,M (Mothupi)	1	1969.2	1544.2	1	1969.2	1544.2	0	0	0	0	0	0
10	van der Merwe ,I (Ineke)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	van der Merwe ,I (Ineke)	1	1268.7	1268.7	1	1265.3	1268.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Oberholzer, M (Marni)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms