Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jirivengwa, S (Samantha)

Chess SA id

2130324061

FIDE id

Date of birth

2013-08-12 (U14)

Gender

Female

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.3	1199.2	1200	1200
Raw rating	1197.1	1196.4	1200	1200
Weighted rating	1199.3	1199.2	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	166.5	166.7	165.8	165.8
Highest rating	1199.9 2025-07-31	1199.9 2025-07-31	1200 2025-08-01	1200 2025-08-01
Highest raw rating	1199.9 2025-07-31	1199.9 2025-07-31	1200 2025-08-01	1200 2025-08-01
Highest weighted rating	1199.9 2025-07-31	1199.9 2025-07-31	1200 2025-08-01	1200 2025-08-01
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	-0.2	-0.2	0	0
New rating	1199.1	1198.9	1200	1200
Analysis
Rating	1199.3	1199.2	1200	1200
Raw rating	1197.1	1196.4	1200	1200
Weighted rating	1199.3	1199.2	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	166.5	166.7	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	1197.1	1196.4	1200	1200
New weighted rating	1199.1	1198.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.1	1198.9	1200	1200
Temp new rating +/-	-0.2	-0.2	0	0
Final new rating +/-	-0.2	-0.2	0	0
New rating	1199.1	1198.9	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	4	4

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	West Rand (GWR)
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	4	1	25	-212.5	1176.4	963.9
Standard	4	1	25	-212.5	1176.4	963.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	4	1	25	-212.5	1176.4	963.9
Standard	4	1	25	-212.5	1176.4	963.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1197.1	1196.4	1200	1200
2025-09-01	1197.1	1196.4	1200	1200
2025-08-01	1197.1	1196.4	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	2025 D2 Schools League Finals (U13 Girls)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools League Finals (U13 Girls)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Legodi, R (Reneilwe)

#	Games	Start				End
1	1	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Legodi, R (Reneilwe)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Legodi, R (Reneilwe)

#	Games	Start				End
1	1	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Legodi, R (Reneilwe)

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	Legodi ,R (Reneilwe)	1	1	425	1	1	425	0	0	0	0	0	0
1	Legodi ,R (Reneilwe)	1	1105.9	1530.9	1	1105.6	1530.9	0	0	0	0	0	0
2	Molo ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Molo ,M (Mpho)	1	1199.8	774.8	1	1199.7	774.8	0	0	0	0	0	0
3	Pearce ,E (Eyana)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pearce ,E (Eyana)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Ramabanta ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ramabanta ,L (Lethabo)	1	1200	775	1	1200	775	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

Jirivengwa, S (Samantha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms