Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mamadisa, B (Basetsana)

Chess SA id

2120307597

FIDE id

Date of birth

2012-11-16 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1175.5	1171.2	1197.2	1200
Raw rating	1129.2	1129.6	1165.1	1200
Weighted rating	1175.5	1171.2	1197.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.4	183.3	174.3	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.3	-4	-2.7	0
New rating	1171.2	1167.2	1194.5	1200
Analysis
Rating	1175.5	1171.2	1197.2	1200
Raw rating	1129.2	1129.6	1165.1	1200
Weighted rating	1175.5	1171.2	1197.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	183.4	183.3	174.3	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	1129.2	1129.6	1165.1	1200
New weighted rating	1171.2	1167.2	1194.5	1200
New weighted performance	0	0	0	0
Temp new rating	1171.2	1167.2	1194.5	1200
Temp new rating +/-	-4.3	-4	-2.7	0
Final new rating +/-	-4.3	-4	-2.7	0
New rating	1171.2	1167.2	1194.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	3	6
	9	9	0
	0	0	0
	0	0	0
	0	0	0
History	18	12	6

Games since
	Main 18	Standard 12		Rapid 6		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	9	2	22.22	-236.1	1229.4	993.3
Standard	3	0	0	-425	1211.1	786.1
Rapid	6	2	33.33	-141.7	1238.5	1096.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	3	16.67	-283.3	1222.3	938.9
Standard	12	1	8.33	-354.2	1214.2	860
Rapid	6	2	33.33	-141.7	1238.5	1096.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1129.2	1129.6	1165.1	1200
2025-09-01	1141.9	1129.6	1200	1200
2025-08-01	1185.3	1181.9	1200	1200
2025-07-01	1185.3	1181.9	1200	1200
2025-06-01	1185.3	1181.9	1200	1200
2025-05-01	1185.3	1181.9	1200	1200
2025-04-01	1185.3	1181.9	1200	1200
2025-03-01	1185.3	1181.9	1200	1200
2025-02-01	1184.6	1181	1200	1200
2025-01-01	1168.5	1161.2	1200	1200
2024-12-01	1168.5	1161.2	1200	1200
2024-11-01	1168.5	1161.2	1200	1200
2024-10-01	1168.5	1161.2	1200	1200
2024-09-01	1168.5	1161.2	1200	1200
2024-08-01	1168.5	1161.2	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Girls)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Girls)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis
3	Eureka Open 27 July 2024 (F)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	HS Drie Riviere Chess Open Section 2024 (D)	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 3	type Rapid	result 1	date 2025-09-24	rnd 4	type Rapid	result 1
		Opponent Nyambose, K (Karabo)				Opponent Sello, M (Matshediso)
2	1	Tournament Eureka Open 27 July 2024				Tournament Eureka Open 27 July 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Salhab, J (Joshua)				Opponent Salhab, J (Joshua)

#	Games	Start				End
1	1	Tournament Eureka Open 27 July 2024				Tournament Eureka Open 27 July 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Salhab, J (Joshua)				Opponent Salhab, J (Joshua)

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 3	type Rapid	result 1	date 2025-09-24	rnd 4	type Rapid	result 1
		Opponent Nyambose, K (Karabo)				Opponent Sello, M (Matshediso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 3	type Rapid	result 1	date 2025-09-24	rnd 4	type Rapid	result 1
		Opponent Nyambose, K (Karabo)				Opponent Sello, M (Matshediso)
2	1	Tournament Eureka Open 27 July 2024				Tournament Eureka Open 27 July 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Salhab, J (Joshua)				Opponent Salhab, J (Joshua)

#	Games	Start				End
1	1	Tournament Eureka Open 27 July 2024				Tournament Eureka Open 27 July 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Salhab, J (Joshua)				Opponent Salhab, J (Joshua)

#	Games	Start				End
1	2	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 3	type Rapid	result 1	date 2025-09-24	rnd 4	type Rapid	result 1
		Opponent Nyambose, K (Karabo)				Opponent Sello, M (Matshediso)

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	Mogale ,N (Naledi)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mogale ,N (Naledi)	1	1161.5	736.5	1	1152.8	736.5	0	0	0	0	0	0
2	Tlou ,LI (Lefa Isaac)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tlou ,LI (Lefa Isaac)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Tshabalala ,M (Mashudubele)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tshabalala ,M (Mashudubele)	1	1213.7	788.7	1	1216.6	788.7	0	0	0	0	0	0
4	Zemedkun ,S (Surprise)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zemedkun ,S (Surprise)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Myburgh ,V (Vaughn)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Myburgh ,V (Vaughn)	1	1348	923	1	1341.9	923	0	0	0	0	0	0
6	Msengana ,I (Inam)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Msengana ,I (Inam)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Bosman ,P (Pieter)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bosman ,P (Pieter)	1	1289.7	864.7	1	1286.4	864.7	0	0	0	0	0	0
8	Viviers ,W (Wiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Viviers ,W (Wiaan)	1	1327.8	902.8	1	1332.9	902.8	0	0	0	0	0	0
9	Salhab ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
9	Salhab ,J (Joshua)	1	1085.6	1510.6	1	1063.2	1510.6	0	0	0	0	0	0
10	Mcethe ,G (Gabriel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mcethe ,G (Gabriel)	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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Personal

Mamadisa, B (Basetsana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms