Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mayanja, B (Brianah)

Chess SA id

2110317045

FIDE id

Date of birth

2011-10-16 (U16)

Gender

Female

Region

John Taolo Gaetswewe (NCJ)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1170.9

Item	Main	Standard	Rapid	Blitz
Rating	1199.9	1200.5	1200	1200
Raw rating	1196.8	1197.8	1200	1200
Weighted rating	1199.9	1200.5	1200	1200
Weighted performance	0	0	0	0
Floor	703.4	705.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.6	166.3	165.8	165.8
Highest rating	1203.4 2025-06-01	1205.3 2025-06-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1203.4 2025-06-01	1205.3 2025-06-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1203.4 2025-04-01	1205.3 2025-04-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.3	-0.2	0	0
New rating	1199.6	1200.3	1200	1200
Analysis
Rating	1199.9	1200.5	1200	1200
Raw rating	1196.8	1197.8	1200	1200
Weighted rating	1199.9	1200.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	703.4	705.3	700	700
Max/Min rating change allowed	166.6	166.3	165.8	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	1196.8	1197.8	1200	1200
New weighted rating	1199.6	1200.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.6	1200.3	1200	1200
Temp new rating +/-	-0.3	-0.2	0	0
Final new rating +/-	-0.3	-0.2	0	0
New rating	1199.6	1200.3	1200	1200
New K-factor	36	36	36	36
New floor	703.4	705.3	700	700

Item	Main	Standard
	0	0
	17	17
	0	0
	0	0
	0	0
	0	0
History	17	17

Games since
	Main 17	Standard 17		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	John Taolo Gaetswewe (NCJ)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	17	7	41.18	-75	1246.4	1171.4
Standard	17	7	41.18	-75	1246.4	1171.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	7	41.18	-75	1246.4	1171.4
Standard	17	7	41.18	-75	1246.4	1171.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1196.8	1197.8	1200	1200
2025-09-30	1196.8	1197.8	1200	1200
2025-09-01	1196.8	1197.8	1200	1200
2025-08-01	1203.4	1205.3	1200	1200
2025-07-01	1203.4	1205.3	1200	1200
2025-06-01	1203.4	1205.3	1200	1200
2025-05-01	1198.6	1198.4	1200	1200
2025-04-01	1200.6	1200.8	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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Northern Cape Closed 202 (U16 Girls)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
2	2025 Hotazel College Rated Chess Tournament (U15)	2025-05-10	2025-05-10	Standard	John Taolo Gaetswewe (NCJ)	5	4	2	Yes	Analysis
3	JTG Open Tournament 2 2025 (B)	2025-04-12	2025-04-12	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis
4	2025 JTG Open (B)	2025-03-01	2025-03-01	Standard	John Taolo Gaetswewe (NCJ)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Northern Cape Closed 202 (U16 Girls)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
2	2025 Hotazel College Rated Chess Tournament (U15)	2025-05-10	2025-05-10	Standard	John Taolo Gaetswewe (NCJ)	5	4	2	Yes	Analysis
3	JTG Open Tournament 2 2025 (B)	2025-04-12	2025-04-12	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis
4	2025 JTG Open (B)	2025-03-01	2025-03-01	Standard	John Taolo Gaetswewe (NCJ)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 5	type Standard	result 1
		Opponent Julie, H (Hailey)				Opponent Van Rooi, K (Kaitlin)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Matlhatsi, K (Koketso)				Opponent Titus, L (Loriano)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Ellise, M (Marine)				Opponent Kubang, T (Tumiso)

#	Games	Start				End
1	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 5	type Standard	result 1
		Opponent Julie, H (Hailey)				Opponent Van Rooi, K (Kaitlin)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Matlhatsi, K (Koketso)				Opponent Titus, L (Loriano)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Ellise, M (Marine)				Opponent Kubang, T (Tumiso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 5	type Standard	result 1
		Opponent Julie, H (Hailey)				Opponent Van Rooi, K (Kaitlin)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Matlhatsi, K (Koketso)				Opponent Titus, L (Loriano)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Ellise, M (Marine)				Opponent Kubang, T (Tumiso)

#	Games	Start				End
1	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 5	type Standard	result 1
		Opponent Julie, H (Hailey)				Opponent Van Rooi, K (Kaitlin)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Matlhatsi, K (Koketso)				Opponent Titus, L (Loriano)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Ellise, M (Marine)				Opponent Kubang, T (Tumiso)

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	Buanga ,A (Adeli)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Buanga ,A (Adeli)	2	1236.2	811.2	2	1244.1	811.2	0	0	0	0	0	0
2	Van Rooi ,K (Kaitlin)	1	1	425	1	1	425	0	0	0	0	0	0
2	Van Rooi ,K (Kaitlin)	1	1125.3	1550.3	1	1114.2	1550.3	0	0	0	0	0	0
3	Titus ,L (Loriano)	1	1	425	1	1	425	0	0	0	0	0	0
3	Titus ,L (Loriano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Winterbach ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Winterbach ,J (Jayden)	1	1320.2	895.2	1	1331.5	895.2	0	0	0	0	0	0
5	Peters ,H (Hope)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Peters ,H (Hope)	1	1460.9	1035.9	1	1461	1035.9	0	0	0	0	0	0
6	Matlhatsi ,K (Koketso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Matlhatsi ,K (Koketso)	1	1246.9	1671.9	1	1256.4	1671.9	0	0	0	0	0	0
7	Du Plessis ,M (Marlon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Du Plessis ,M (Marlon)	1	1222.2	797.2	1	1226	797.2	0	0	0	0	0	0
8	Julie ,H (Hailey)	1	1	425	1	1	425	0	0	0	0	0	0
8	Julie ,H (Hailey)	1	1204.2	1629.2	1	1204.6	1629.2	0	0	0	0	0	0
9	Lengo ,DA (Divengele Ambroise)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lengo ,DA (Divengele Ambroise)	1	1368.9	943.9	1	1362.6	943.9	0	0	0	0	0	0
10	Mostert ,H (Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mostert ,H (Hendrik)	1	1193.9	768.9	1	1191.7	768.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Mayanja, B (Brianah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms