Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wandemu, B (Betelhem)

Chess SA id

2140317448

FIDE id

Date of birth

2014-07-23 (U12)

Gender

Female

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1045.8

Item	Main	Standard	Rapid	Blitz
Rating	1197	1196.4	1200	1200
Raw rating	1184.2	1180.9	1200	1200
Weighted rating	1197	1196.4	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	169.6	170.4	165.8	165.8
Highest rating	1199.9 2025-03-09	1199.9 2025-03-09	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1199.9 2025-03-09	1199.9 2025-03-09	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1199.9 2025-03-09	1199.9 2025-03-09	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	-1.1	-1.4	0	0
New rating	1195.9	1195	1200	1200
Analysis
Rating	1197	1196.4	1200	1200
Raw rating	1184.2	1180.9	1200	1200
Weighted rating	1197	1196.4	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	169.6	170.4	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	1184.2	1180.9	1200	1200
New weighted rating	1195.9	1195	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1195.9	1195	1200	1200
Temp new rating +/-	-1.1	-1.4	0	0
Final new rating +/-	-1.1	-1.4	0	0
New rating	1195.9	1195	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	14	4.5	32.14	-151.8	1197.6	1045.8
Standard	14	4.5	32.14	-151.8	1197.6	1045.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	4.5	32.14	-151.8	1197.6	1045.8
Standard	14	4.5	32.14	-151.8	1197.6	1045.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1184.2	1180.9	1200	1200
2025-09-30	1184.2	1180.9	1200	1200
2025-09-01	1199.5	1199.3	1200	1200
2025-08-01	1199.5	1199.3	1200	1200
2025-07-01	1199.4	1199.2	1200	1200
2025-06-01	1198.1	1197.7	1200	1200
2025-05-01	1199.4	1199.2	1200	1200
2025-04-01	1195.9	1195.1	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	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	2025 D2 Schools Individuals (U11 Girls)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
3	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	4	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	2025 D2 Schools Individuals (U11 Girls)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
3	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Rand Juniors 2025				Tournament 2025 D2 Schools Individuals
		date 2025-03-08	rnd 5	type Standard	result 0.5	date 2025-05-09	rnd 1	type Standard	result 1
		Opponent Ndebele, M (Minenhle)				Opponent Mcloughlin, H (Hadassah)
2	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Mere, R (Reatlegile Lucia)				Opponent Mere, R (Reatlegile Lucia)
3	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Masina, U (Ubuhle)				Opponent Masina, U (Ubuhle)

#	Games	Start				End
1	2	Tournament West Rand Juniors 2025				Tournament 2025 D2 Schools Individuals
		date 2025-03-08	rnd 5	type Standard	result 0.5	date 2025-05-09	rnd 1	type Standard	result 1
		Opponent Ndebele, M (Minenhle)				Opponent Mcloughlin, H (Hadassah)
2	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Mere, R (Reatlegile Lucia)				Opponent Mere, R (Reatlegile Lucia)
3	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Masina, U (Ubuhle)				Opponent Masina, U (Ubuhle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Mere, R (Reatlegile Lucia)				Opponent Mere, R (Reatlegile Lucia)
2	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Masina, U (Ubuhle)				Opponent Masina, U (Ubuhle)
3	1	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 4	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Modisane, A (Angelina)				Opponent Modisane, A (Angelina)

#	Games	Start				End
1	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 5	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Mere, R (Reatlegile Lucia)				Opponent Mere, R (Reatlegile Lucia)
2	1	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Masina, U (Ubuhle)				Opponent Masina, U (Ubuhle)
3	1	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 4	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Modisane, A (Angelina)				Opponent Modisane, A (Angelina)

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	Seleke ,K (Kelebogile)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Seleke ,K (Kelebogile)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Fourie ,H (Hailey)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Fourie ,H (Hailey)	1	1120	695	1	1110.8	695	0	0	0	0	0	0
3	Nqaqu ,S (Sibusiso Blessing)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Nqaqu ,S (Sibusiso Blessing)	1	1266.5	841.5	1	1263.2	841.5	0	0	0	0	0	0
4	Masina ,U (Ubuhle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Masina ,U (Ubuhle)	1	1199.1	1624.1	1	1198.9	1624.1	0	0	0	0	0	0
5	Ndebele ,M (Minenhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Ndebele ,M (Minenhle)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Blom ,W (Wian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Blom ,W (Wian)	1	1155.1	730.1	1	1146	730.1	0	0	0	0	0	0
7	Mcloughlin ,H (Hadassah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mcloughlin ,H (Hadassah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Sebe ,O (One)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sebe ,O (One)	1	1202.9	777.9	1	1202.5	777.9	0	0	0	0	0	0
9	Mere ,R (Reatlegile Lucia)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mere ,R (Reatlegile Lucia)	1	1199.7	1624.7	1	1199.7	1624.7	0	0	0	0	0	0
10	Haasbroek ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Haasbroek ,Z (Zandre)	1	1190.1	765.1	1	1187.9	765.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Wandemu, B (Betelhem)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms