Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roos, A (Amone)

Chess SA id

2130144768

FIDE id

Date of birth

2013-04-12 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1086.3	1079.4	1200	1200
Raw rating	1086.3	1079.4	1200	1200
Weighted rating	1053.9	1039.9	1200	1200
Weighted performance	701.6	695.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	195	196.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1086.3	1079.4	1200	1200
Analysis
Rating	1086.3	1079.4	1200	1200
Raw rating	1086.3	1079.4	1200	1200
Weighted rating	1053.9	1039.9	1200
Weighted performance	701.6	695.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	195	196.9	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	1086.3	1079.4	1200	1200
New weighted rating	1057.4	1044.1	1200	1200
New weighted performance	701.3	694.8	0	0
Temp new rating	1086.3	1079.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1086.3	1079.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	3	3
	5	5
	14	14
	10	10
	0	0
History	32	32

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
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	3	3	100	425	1166.2	1591.2
Standard	3	3	100	425	1166.2	1591.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	32	8	25	-212.5	1238.2	1025.7
Standard	32	8	25	-212.5	1238.2	1025.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1086.3	1079.4	1200	1200
2025-09-01	1086.3	1079.4	1200	1200
2025-08-01	1086.3	1079.4	1200	1200
2025-07-01	1086.3	1079.4	1200	1200
2025-06-01	1086.3	1079.4	1200	1200
2025-05-01	1086.3	1079.4	1200	1200
2025-04-01	1086.3	1079.4	1200	1200
2025-03-01	1086.3	1079.4	1200	1200
2025-02-01	1028.3	1007.2	1200	1200
2025-01-01	1010.4	987.2	1200	1200
2024-12-01	1010.4	987.2	1200	1200
2024-11-01	1010.4	987.2	1200	1200
2024-10-01	1010.4	987.2	1200	1200
2024-09-01	1010.4	987.2	1200	1200
2024-08-01	1010.4	987.2	1200	1200
2024-07-01	1010.4	987.2	1200	1200
2024-06-01	1010.4	987.2	1200	1200
2024-08-01	1010.4	987.2	1200	1200
2024-04-01	1010.4	987.2	1200	1200
2024-03-01	1010.4	987.2	1200	1200
2024-02-01	1010.4	987.2	1200	1200
2024-01-01	1065.7	1048	1200	1200
2023-12-01	1065.7	1048	1200	1200
2023-11-01	1065.7	1048	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 UGU Year Opening Tournament (U14)	2025-02-01	2025-02-01	Standard	Ugu (KUG)	5	3	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 UGU Year Opening Tournament (U14)	2025-02-01	2025-02-01	Standard	Ugu (KUG)	5	3	3	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (U12 Girls B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	Queens Gambit Chess Open 2023 (D)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
4	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
5	Gauteng Schools D7 2023 (U11 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
6	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
7	2022 Gauteng Schools Team Championships (U9 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis

#	Games	Start				End
1	5	Tournament Gauteng Schools D7 2023				Tournament Gauteng D7 Teams 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Mokoatsi, D (Dimpho)				Opponent Myburgh, A (Amy)
2	3	Tournament 2025 UGU Year Opening Tournament				Tournament 2025 UGU Year Opening Tournament
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Coetzee, Z (Zurigt)				Opponent Britz, A (Abigail)
3	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 2	type Standard	result 0.5	date 2022-08-13	rnd 2	type Standard	result 0.5
		Opponent Esterhuizen, E (Erich)				Opponent Esterhuizen, E (Erich)

#	Games	Start				End
1	5	Tournament Gauteng Schools D7 2023				Tournament Gauteng D7 Teams 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Mokoatsi, D (Dimpho)				Opponent Myburgh, A (Amy)
2	3	Tournament 2025 UGU Year Opening Tournament				Tournament 2025 UGU Year Opening Tournament
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Coetzee, Z (Zurigt)				Opponent Britz, A (Abigail)
3	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 2	type Standard	result 0.5	date 2022-08-13	rnd 2	type Standard	result 0.5
		Opponent Esterhuizen, E (Erich)				Opponent Esterhuizen, E (Erich)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2025 UGU Year Opening Tournament				Tournament 2025 UGU Year Opening Tournament
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Coetzee, Z (Zurigt)				Opponent Britz, A (Abigail)
2	3	Tournament Gauteng Schools D7 2023				Tournament Gauteng D7 Teams 2023
		date 2023-05-20	rnd 4	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Lehana, B (Bohlokwa)				Opponent Myburgh, A (Amy)
3	1	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mokoatsi, D (Dimpho)				Opponent Mokoatsi, D (Dimpho)

#	Games	Start				End
1	3	Tournament 2025 UGU Year Opening Tournament				Tournament 2025 UGU Year Opening Tournament
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Coetzee, Z (Zurigt)				Opponent Britz, A (Abigail)
2	3	Tournament Gauteng Schools D7 2023				Tournament Gauteng D7 Teams 2023
		date 2023-05-20	rnd 4	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Lehana, B (Bohlokwa)				Opponent Myburgh, A (Amy)
3	1	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mokoatsi, D (Dimpho)				Opponent Mokoatsi, D (Dimpho)

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	Myburgh ,A (Amy)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Myburgh ,A (Amy)	2	1205.2	1417.8	2	1205.8	1417.8	0	0	0	0	0	0
2	Muller ,M (Mari)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Muller ,M (Mari)	1	1288.3	863.3	1	1283.1	863.3	0	0	0	0	0	0
3	Ottermann ,E (Erik)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ottermann ,E (Erik)	1	1154.7	729.7	1	1158.8	729.7	0	0	0	0	0	0
4	Mthembu ,R (Relebohile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mthembu ,R (Relebohile)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Tolmay ,W (Walroux)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Tolmay ,W (Walroux)	1	1489.6	1064.6	1	1494.5	1064.6	0	0	0	0	0	0
6	Du Preez ,L (Lourens)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Du Preez ,L (Lourens)	1	1249.8	824.8	1	1257	824.8	0	0	0	0	0	0
7	Nahlebe ,L (Lubanzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nahlebe ,L (Lubanzi)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Ferreira ,L (Lea Elizabeth)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ferreira ,L (Lea Elizabeth)	1	1308.8	883.8	1	1298	883.8	0	0	0	0	0	0
9	Naidoo ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Naidoo ,J (James)	1	1215	790	1	1219.6	790	0	0	0	0	0	0
10	Myburgh ,V (Vaughn)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Myburgh ,V (Vaughn)	1	1263.4	838.4	1	1275.6	838.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Roos, A (Amone)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms