Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ackerman, B (Bea-Mari)

Chess SA id

208072577

FIDE id

Date of birth

2008-03-13 (U18)

Gender

Female

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1101.2	1026	956.7	500
Raw rating	1101.2	1026	956.7	500
Weighted rating	1100	1024.6	947.7	500
Weighted performance	901	597.8	0	0
Floor	620	570.1	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	190.9	212.5	234.5	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1385.5 2023-04-01	1200 2024-03-01
Highest raw rating	1120 2023-10-01	1070.1 2023-10-01	956.7 2024-05-01	500 2024-03-01
Highest weighted rating	1120 2024-11-01	1070.1 2024-11-01	956.7 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1385.5 2023-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1101.2	1026	956.7	500
Analysis
Rating	1101.2	1026	956.7	500
Raw rating	1101.2	1026	956.7	500
Weighted rating	1100	1024.6	947.7
Weighted performance	901	597.8	0
K-factor	40	40	40	40
Floor	620	570.1	500	500
Max/Min rating change allowed	190.9	212.5	234.5	449.5
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	1101.2	1026	956.7	500
New weighted rating	1100.1	1024.4	951	500
New weighted performance	900.6	597.4	0	0
Temp new rating	1101.2	1026	956.7	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1101.2	1026	956.7	500
New K-factor	40	40	40	40
New floor	620	570.1	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	8	3	5
	11	5	6
	5	5	0
	0	0	0
History	113	102	11

Games since
	Main 8	Standard 3		Rapid 5		Blitz 0
Gender	Female
Age group	U18
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	61	27.5	45.08	-41.8	1032.8	991
Standard	50	19.5	39	-93.5	1001.7	908.2
Rapid	11	8	72.73	193.2	1174.3	1367.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1101.2	1026	956.7	500
2025-09-01	1101.2	1026	956.7	500
2025-08-01	1101.2	1026	956.7	500
2025-07-01	1101.2	1026	956.7	500
2025-06-01	1101.2	1026	956.7	500
2025-05-01	1101.2	1026	956.7	500
2025-04-01	1101.2	1025.9	956.7	500
2025-03-01	1101.2	1025.6	956.7	500
2025-02-01	1101.2	1025	956.7	500
2025-01-01	1101.2	1020.1	956.7	500
2024-12-01	1101.2	1020.1	956.7	500
2024-11-01	1101.2	1020.1	956.7	500
2024-10-01	1101.2	1020.1	956.7	500
2024-09-01	1101.2	1020.1	956.7	500
2024-08-01	1101.2	1020.1	956.7	500
2024-07-01	1101.2	1020.1	956.7	500
2024-06-01	1101.2	1020.1	956.7	500
2024-08-01	1101.2	1020.1	956.7	500
2024-04-01	1070	1020.1	853.1	500
2024-03-01	1070	1020.1	853.1	500
2024-02-01	1070	1020.1	853.1	500
2024-01-01	1120	1070.1	853.1	500
2023-12-01	1120	1070.1	683.2	500
2023-11-01	1120	1070.1	683.2	500

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	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	5	3	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (U18B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	3	0	Yes	Analysis
3	2023 Thomas Lechelele North West Open (C)	2023-09-15	2023-09-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
4	NWU Super 16 2023 (A)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	6	5	Yes	Analysis
5	Schoonspruit Ope 2022 (C)	2022-05-21	2022-05-21	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
6	Doringkruin 2019 (U12)	2019-06-08	2019-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis
7	Strathvaal 2019 (U12)	2019-04-13	2019-03-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
8	South African Junior Team Championships 2018 (U12B Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
9	Boys and Girls 2018 (U12 Girls)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
10	Driefontein Proewe 2018 (O12 Dogters)	2018-07-28	2018-07-28	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
11	President 16 Junie 2018 (U12)	2018-06-16	2018-06-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
12	South African Junior Team Championships 2017 (U10D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Schoonspruit Ope 2022				Tournament NWU Super 16 2023
		date 2022-05-21	rnd 5	type Standard	result 1	date 2023-04-21	rnd 3	type Rapid	result 1
		Opponent Makale, T (Tlotliso)				Opponent Meyer, L (Luan)
2	3	Tournament NWU Super 16 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-21	rnd 5	type Rapid	result 1	date 2023-09-15	rnd 1	type Standard	result 1
		Opponent Nkokou, G (Gomolemo)				Opponent Greyling, J (Jeandre)
3	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Du Preez, D (Dihan)				Opponent Teisho, T (Tsogo)

#	Games	Start				End
1	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 4	type Standard	result 1	date 2023-09-16	rnd 5	type Standard	result 1
		Opponent Matanhire, S (Shammah)				Opponent Lehasa, O (Onalenna)
2	2	Tournament Schoonspruit Ope 2022				Tournament 2023 Thomas Lechelele North West Open
		date 2022-05-21	rnd 5	type Standard	result 1	date 2023-09-15	rnd 1	type Standard	result 1
		Opponent Makale, T (Tlotliso)				Opponent Greyling, J (Jeandre)
3	2	Tournament Doringkruin 2019				Tournament Schoonspruit Ope 2022
		date 2019-06-08	rnd 5	type Standard	result 1	date 2022-05-21	rnd 1	type Standard	result 1
		Opponent Moremi, T (Thiamo)				Opponent Janse Van Rensburg, CM (Chailo)

#	Games	Start				End
1	3	Tournament NWU Super 16 2023				Tournament NWU Super 16 2024
		date 2023-04-21	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Nkokou, G (Gomolemo)				Opponent Briel, J (Josephus)
2	3	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 3	type Rapid	result 1
		Opponent De Lange, GL (Gianni)				Opponent Meyer, L (Luan)
3	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Du Preez, D (Dihan)				Opponent Teisho, T (Tsogo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Schoonspruit Ope 2022				Tournament NWU Super 16 2023
		date 2022-05-21	rnd 5	type Standard	result 1	date 2023-04-21	rnd 3	type Rapid	result 1
		Opponent Makale, T (Tlotliso)				Opponent Meyer, L (Luan)
2	3	Tournament NWU Super 16 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-21	rnd 5	type Rapid	result 1	date 2023-09-15	rnd 1	type Standard	result 1
		Opponent Nkokou, G (Gomolemo)				Opponent Greyling, J (Jeandre)
3	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Du Preez, D (Dihan)				Opponent Teisho, T (Tsogo)

#	Games	Start				End
1	2	Tournament 2023 Thomas Lechelele North West Open				Tournament 2023 Thomas Lechelele North West Open
		date 2023-09-16	rnd 4	type Standard	result 1	date 2023-09-16	rnd 5	type Standard	result 1
		Opponent Matanhire, S (Shammah)				Opponent Lehasa, O (Onalenna)
2	2	Tournament Schoonspruit Ope 2022				Tournament 2023 Thomas Lechelele North West Open
		date 2022-05-21	rnd 5	type Standard	result 1	date 2023-09-15	rnd 1	type Standard	result 1
		Opponent Makale, T (Tlotliso)				Opponent Greyling, J (Jeandre)
3	2	Tournament Doringkruin 2019				Tournament Schoonspruit Ope 2022
		date 2019-06-08	rnd 5	type Standard	result 1	date 2022-05-21	rnd 1	type Standard	result 1
		Opponent Moremi, T (Thiamo)				Opponent Janse Van Rensburg, CM (Chailo)

#	Games	Start				End
1	3	Tournament NWU Super 16 2023				Tournament NWU Super 16 2024
		date 2023-04-21	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Nkokou, G (Gomolemo)				Opponent Briel, J (Josephus)
2	3	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 3	type Rapid	result 1
		Opponent De Lange, GL (Gianni)				Opponent Meyer, L (Luan)
3	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Du Preez, D (Dihan)				Opponent Teisho, T (Tsogo)

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	Van Der Westhuizen ,A (Annemarie)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Van Der Westhuizen ,A (Annemarie)	2	903.5	478.5	2	910.7	478.5	0	0	0	0	0	0
2	Hugo ,H (Howard)	2	1	0	2	1	0	0	0	0	0	0	0
2	Hugo ,H (Howard)	2	811.4	811.4	2	818.2	811.4	0	0	0	0	0	0
3	Matlala ,U (Unathi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Matlala ,U (Unathi)	2	1067.3	1279.8	2	1039.8	1279.8	0	0	0	0	0	0
4	Jerling ,AAM (Alicia)	2	2	425	2	2	425	0	0	0	0	0	0
4	Jerling ,AAM (Alicia)	2	890.6	1315.6	2	845.8	1315.6	0	0	0	0	0	0
5	Viljoen ,D (Dian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Viljoen ,D (Dian)	1	1385.7	960.7	1	1384.1	960.7	0	0	0	0	0	0
6	Jooste ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jooste ,J (Jayden)	1	979.7	1404.7	1	964.6	1404.7	0	0	0	0	0	0
7	Matanhire ,S (Shammah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Matanhire ,S (Shammah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Bhula ,S (Shyam Hitesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bhula ,S (Shyam Hitesh)	1	1284	859	1	1262.3	859	0	0	0	0	0	0
9	Goede ,K (Kari)	1	1	425	1	1	425	0	0	0	0	0	0
9	Goede ,K (Kari)	1	1056.2	1481.2	1	1035.2	1481.2	0	0	0	0	0	0
10	Michalakis ,K (Kiriakos)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Michalakis ,K (Kiriakos)	1	1200	775	1	1200	775	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

Ackerman, B (Bea-Mari)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms