Chess South Africa Ratings Database

PLAYER PAGE

Personal

Holster, K (Keisia)

Chess SA id

2090318733

FIDE id

Date of birth

2009-01-24 (U18)

Gender

Female

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1201.3	1201.7	1200	1200
Raw rating	1201.2	1201.5	1200	1200
Weighted rating	1201.3	1201.7	1200	1200
Weighted performance	0	0	0	0
Floor	709.5	711.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.5	165.5	165.8	165.8
Highest rating	1209.5 2025-04-01	1211.9 2025-04-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1209.5 2025-04-01	1211.9 2025-04-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1209.5 2025-05-05	1211.9 2025-05-05	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	0	0	0
New rating	1201.3	1201.7	1200	1200
Analysis
Rating	1201.3	1201.7	1200	1200
Raw rating	1201.2	1201.5	1200	1200
Weighted rating	1201.3	1201.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709.5	711.9	700	700
Max/Min rating change allowed	165.5	165.5	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	1201.2	1201.5	1200	1200
New weighted rating	1201.3	1201.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1201.3	1201.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1201.3	1201.7	1200	1200
New K-factor	36	36	36	36
New floor	709.5	711.9	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	9	2	22.22	-236.1	1253.7	1017.6
Standard	9	2	22.22	-236.1	1253.7	1017.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	2	22.22	-236.1	1253.7	1017.6
Standard	9	2	22.22	-236.1	1253.7	1017.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1201.2	1201.5	1200	1200
2025-09-30	1201.2	1201.5	1200	1200
2025-09-01	1201.2	1201.5	1200	1200
2025-08-01	1201.2	1201.5	1200	1200
2025-07-01	1200.9	1201.1	1200	1200
2025-06-01	1196.8	1196.1	1200	1200
2025-05-01	1209.5	1211.9	1200	1200
2025-04-01	1209.5	1211.9	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	SBDCA Closed 2025 (U18 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	0	Yes	Analysis
2	SBDCA Trials GRT 22 March 2025 (U18)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Closed 2025 (U18 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	0	Yes	Analysis
2	SBDCA Trials GRT 22 March 2025 (U18)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Niemand, R (Romeo)				Opponent Nkohla, M (Mihle)

#	Games	Start				End
1	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Niemand, R (Romeo)				Opponent Nkohla, M (Mihle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Niemand, R (Romeo)				Opponent Nkohla, M (Mihle)

#	Games	Start				End
1	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Niemand, R (Romeo)				Opponent Nkohla, M (Mihle)

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	Nkohla ,M (Mihle)	1	1	425	1	1	425	0	0	0	0	0	0
1	Nkohla ,M (Mihle)	1	1190.5	1615.5	1	1200	1615.5	0	0	0	0	0	0
2	Fourie ,N (Neelon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Fourie ,N (Neelon)	1	1426.9	1001.9	1	1423.8	1001.9	0	0	0	0	0	0
3	Senekal ,L (Lianie)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Senekal ,L (Lianie)	1	1200.9	775.9	1	1200.6	775.9	0	0	0	0	0	0
4	Mostert ,M (Michyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mostert ,M (Michyle)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Abercrombie ,J (Jasmine)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Abercrombie ,J (Jasmine)	1	1302.9	877.9	1	1297.1	877.9	0	0	0	0	0	0
6	Niemand ,R (Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Niemand ,R (Romeo)	1	1228.3	1653.3	1	1232.1	1653.3	0	0	0	0	0	0
7	Ramusi ,D (Dimpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ramusi ,D (Dimpho)	1	1219.5	794.5	1	1223.6	794.5	0	0	0	0	0	0
8	Skere ,Z (Zenande)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Skere ,Z (Zenande)	1	1253	828	1	1226	828	0	0	0	0	0	0
9	Lufu ,N (Nomalanga)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lufu ,N (Nomalanga)	1	1261	836	1	1236	836	0	0	0	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

Holster, K (Keisia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms