Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roos, K (Kirstin)

Chess SA id

2100137667

FIDE id

Date of birth

2010-03-23 (U16)

Gender

Female

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1220.5	1221.7	1200	1200
Raw rating	1220.5	1221.7	1200	1200
Weighted rating	1220.5	1221.7	1200	1200
Weighted performance	719.3	715.8	0	0
Floor	768.9	778.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161	160.8	165.8	165.8
Highest rating	1364.7 2022-05-01	1362 2022-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1268.9 2022-06-01	1278.6 2022-06-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1268.9 2024-01-01	1278.6 2023-12-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1364.7 2022-05-01	1362 2022-05-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.5	1221.7	1200	1200
Analysis
Rating	1220.5	1221.7	1200	1200
Raw rating	1220.5	1221.7	1200	1200
Weighted rating	1220.5	1221.7	1200
Weighted performance	719.3	715.8	0
K-factor	36	36	36	36
Floor	768.9	778.6	700	700
Max/Min rating change allowed	161	160.8	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	1220.5	1221.7	1200	1200
New weighted rating	1220.5	1221.7	1200	1200
New weighted performance	718.9	715.4	0	0
Temp new rating	1220.5	1221.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.5	1221.7	1200	1200
New K-factor	36	36	36	36
New floor	768.9	778.6	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	25	25
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	14	56	51	1199.5	1250.5
Standard	25	14	56	51	1199.5	1250.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1220.5	1221.7	1200	1200
2025-09-01	1220.5	1221.7	1200	1200
2025-08-01	1220.5	1221.7	1200	1200
2025-07-01	1220.5	1221.7	1200	1200
2025-06-01	1220.5	1221.7	1200	1200
2025-05-01	1220.5	1221.7	1200	1200
2025-04-01	1220.5	1221.7	1200	1200
2025-03-01	1220.5	1221.7	1200	1200
2025-02-01	1220.5	1221.7	1200	1200
2025-01-01	1220.5	1221.7	1200	1200
2024-12-01	1220.5	1221.7	1200	1200
2024-11-01	1220.5	1221.7	1200	1200
2024-10-01	1220.5	1221.7	1200	1200
2024-09-01	1220.5	1221.7	1200	1200
2024-08-01	1220.5	1221.7	1200	1200
2024-07-01	1220.5	1221.7	1200	1200
2024-06-01	1220.5	1221.7	1200	1200
2024-08-01	1220.5	1221.7	1200	1200
2024-04-01	1220.5	1221.7	1200	1200
2024-03-01	1220.5	1221.7	1200	1200
2024-02-01	1220.5	1221.7	1200	1200
2024-01-01	1220.5	1221.7	1200	1200
2023-12-01	1220.5	1221.7	1200	1200
2023-11-01	1220.5	1221.7	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	White River Primary 2022 (U14)	2022-07-30	2022-07-30	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
2	2022 Blou Bul Open (C)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	Rob Ferreira Chess Tournament 2022 (U14)	2022-05-07	2022-05-07	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
4	Lydenburg Chess Club 2022 (U14)	2022-04-09	2022-04-09	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
5	Uplands Chess Tournament 2022 (U14)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Rob Ferreira Chess Tournament 2022
		date 2022-05-07	rnd 1	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Makawa, T (Tabeth)				Opponent Nonyane, M (Mohau)
2	2	Tournament White River Primary 2022				Tournament White River Primary 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Malepe, P (Pugisho)				Opponent Kruger, R (Ruan)
3	2	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 3	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Venter, L (Ludwig)				Opponent Sibanyoni, U (Ulibo)

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Rob Ferreira Chess Tournament 2022
		date 2022-05-07	rnd 1	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Makawa, T (Tabeth)				Opponent Nonyane, M (Mohau)
2	2	Tournament White River Primary 2022				Tournament White River Primary 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Malepe, P (Pugisho)				Opponent Kruger, R (Ruan)
3	2	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 3	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Venter, L (Ludwig)				Opponent Sibanyoni, U (Ulibo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Rob Ferreira Chess Tournament 2022
		date 2022-05-07	rnd 1	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Makawa, T (Tabeth)				Opponent Nonyane, M (Mohau)
2	2	Tournament White River Primary 2022				Tournament White River Primary 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Malepe, P (Pugisho)				Opponent Kruger, R (Ruan)
3	2	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 3	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Venter, L (Ludwig)				Opponent Sibanyoni, U (Ulibo)

#	Games	Start				End
1	3	Tournament Rob Ferreira Chess Tournament 2022				Tournament Rob Ferreira Chess Tournament 2022
		date 2022-05-07	rnd 1	type Standard	result 1	date 2022-05-07	rnd 3	type Standard	result 1
		Opponent Makawa, T (Tabeth)				Opponent Nonyane, M (Mohau)
2	2	Tournament White River Primary 2022				Tournament White River Primary 2022
		date 2022-07-30	rnd 3	type Standard	result 1	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Malepe, P (Pugisho)				Opponent Kruger, R (Ruan)
3	2	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 3	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Venter, L (Ludwig)				Opponent Sibanyoni, U (Ulibo)

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	Grobler ,Z (Zander)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Grobler ,Z (Zander)	2	1213.3	788.3	2	1221.1	788.3	0	0	0	0	0	0
2	Kotu ,K (Kagiso)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kotu ,K (Kagiso)	1	1165.9	1590.9	1	1159.6	1590.9	0	0	0	0	0	0
3	Kruger ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kruger ,R (Ruan)	1	1177.2	1602.2	1	1171.2	1602.2	0	0	0	0	0	0
4	Makawa ,T (Tabeth)	1	1	425	1	1	425	0	0	0	0	0	0
4	Makawa ,T (Tabeth)	1	1178.2	1603.2	1	1173.2	1603.2	0	0	0	0	0	0
5	Rambritch ,A (Abhay)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Rambritch ,A (Abhay)	1	1303.6	878.6	1	1289.6	878.6	0	0	0	0	0	0
6	Du Bruyn ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Du Bruyn ,D (Dylan)	1	1249.3	1674.3	1	1258.8	1674.3	0	0	0	0	0	0
7	Venter ,L (Ludwig)	1	1	425	1	1	425	0	0	0	0	0	0
7	Venter ,L (Ludwig)	1	1166.4	1591.4	1	1160	1591.4	0	0	0	0	0	0
8	Baraganye ,T (Tirisano)	1	1	425	1	1	425	0	0	0	0	0	0
8	Baraganye ,T (Tirisano)	1	1170.1	1595.1	1	1162.4	1595.1	0	0	0	0	0	0
9	De Almeida ,K (Kelly)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Almeida ,K (Kelly)	1	1334.8	909.8	1	1326	909.8	0	0	0	0	0	0
10	Chiloane ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Chiloane ,N (Neo)	1	1200	1625	1	1200	1625	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

Roos, K (Kirstin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms