Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wandemu, B (Betelhem)

Chess SA id

2140317448

FIDE id

Date of birth

2014-07-23 (U14)

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

Item	Main	Standard	Rapid	Blitz
Rating	1194.8	1193.7	1200	1200
Raw rating	1184.2	1180.9	1200	1200
Weighted rating	1194.8	1193.7	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	-1.2	0	0
New rating	1193.8	1192.5	1200	1200
Analysis
Rating	1194.8	1193.7	1200	1200
Raw rating	1184.2	1180.9	1200	1200
Weighted rating	1194.8	1193.7	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	1193.8	1192.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1193.8	1192.5	1200	1200
Temp new rating +/-	-1	-1.2	0	0
Final new rating +/-	-1	-1.2	0	0
New rating	1193.8	1192.5	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
2026-01-01	1184.2	1180.9	1200	1200
2025-11-30	1184.2	1180.9	1200	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	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

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Wandemu, B (Betelhem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms