Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mafereka, B (Boitumelo)

Chess SA id

2120326721

FIDE id

Date of birth

2012-02-09 (U14)

Gender

Female

Region

Gert Sibande (MGS)

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	1258.2	1221.2	1259.9	1200
Raw rating	1258.2	1221.2	1259.9	1200
Weighted rating	1207.4	1201.7	1209.4	1200
Weighted performance	0	0	0	0
Floor	758.2	721.2	759.9	700
K-factor	36	36	36	40
Min/Max rating change allowed	152.6	160.9	152.2	165.8
Highest rating	1258.2 2025-09-30	1221.2 2025-09-30	1259.9 2025-09-01	1199 2025-08-30
Highest raw rating	1258.2 2025-09-30	1221.2 2025-09-30	1259.9 2025-09-01	1199 2025-08-30
Highest weighted rating	1207.4 2025-09-30	1201.7 2025-09-30	1204.8 2025-09-01	0 2025-08-30
Highest weighted performance	0 2025-08-30	0 2025-08-30	0 2025-08-30	0 2025-08-30

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1258.2	1221.2	1259.9	1200
Analysis
Rating	1258.2	1221.2	1259.9	1200
Raw rating	1258.2	1221.2	1259.9	1200
Weighted rating	1207.4	1201.7	1209.4
Weighted performance	0	0	0
K-factor	36	36	36	40
Floor	758.2	721.2	759.9	700
Max/Min rating change allowed	152.6	160.9	152.2	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	1258.2	1221.2	1259.9	1200
New weighted rating	1211.8	1203.3	1213.8	1200
New weighted performance	0	0	0	0
Temp new rating	1258.2	1221.2	1259.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1258.2	1221.2	1259.9	1200
New K-factor	36	36	36	36
New floor	758.2	721.2	759.9	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	F
Age group	U14
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U14	-1		-1		-1
U14 F	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U14	-1		-1		-1
U14 F	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U14	-1		-1		-1
U14 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U14	-1		-1		-1
U14 F	-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	10	7	70	170	1239	1409
Standard	5	3	60	85	1270.3	1355.3
Rapid	5	4	80	255	1207.7	1462.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	7	70	170	1239	1409
Standard	5	3	60	85	1270.3	1355.3
Rapid	5	4	80	255	1207.7	1462.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1258.2	1221.2	1259.9	1200
2025-09-01	1236.1	1200	1259.9	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	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	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Rookies Tournament Secunda 2025 (Girls)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Rookies Tournament Secunda 2025 (Girls)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 4	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Molime, A (Azania)				Opponent Cornelissen, C (Calita)
2	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 1	type Rapid	result 1	date 2025-08-08	rnd 2	type Rapid	result 1
		Opponent Woite, A (Avrey)				Opponent Msiza, Z (Zizipho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 4	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Molime, A (Azania)				Opponent Cornelissen, C (Calita)
2	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 1	type Rapid	result 1	date 2025-08-08	rnd 2	type Rapid	result 1
		Opponent Woite, A (Avrey)				Opponent Msiza, Z (Zizipho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 4	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Molime, A (Azania)				Opponent Cornelissen, C (Calita)
2	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 1	type Rapid	result 1	date 2025-08-08	rnd 2	type Rapid	result 1
		Opponent Woite, A (Avrey)				Opponent Msiza, Z (Zizipho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 4	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Molime, A (Azania)				Opponent Cornelissen, C (Calita)
2	2	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 1	type Rapid	result 1	date 2025-08-08	rnd 2	type Rapid	result 1
		Opponent Woite, A (Avrey)				Opponent Msiza, Z (Zizipho)

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	Mahlangu ,A (Amahle)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Mahlangu ,A (Amahle)	2	1391.2	966.2	1	1206.4	966.2	1	1453.6	966.2	0	0	0
2	Sibeko ,E (Emihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sibeko ,E (Emihle)	1	1289	864	1	1142.8	864	0	0	0	0	0	0
3	Sibeko ,R (Rethabile)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sibeko ,R (Rethabile)	1	1231.8	1656.8	1	1238.3	1656.8	0	0	0	0	0	0
4	Ngwenya ,H (Hlohonono)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ngwenya ,H (Hlohonono)	1	1225.9	1650.9	1	1200	1650.9	0	0	0	0	0	0
5	Nkosi ,A (Awami)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nkosi ,A (Awami)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Molime ,A (Azania)	1	1	425	0	0	0	1	1	425	0	0	0
6	Molime ,A (Azania)	1	1146.4	1571.4	0	0	0	1	1108.3	1571.4	0	0	0
7	Msiza ,Z (Zizipho)	1	1	425	0	0	0	1	1	425	0	0	0
7	Msiza ,Z (Zizipho)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Woite ,A (Avrey)	1	1	425	0	0	0	1	1	425	0	0	0
8	Woite ,A (Avrey)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Cornelissen ,C (Calita)	1	1	425	0	0	0	1	1	425	0	0	0
9	Cornelissen ,C (Calita)	1	1114.8	1539.8	0	0	0	1	1072.3	1539.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Mafereka, B (Boitumelo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms