Chess South Africa Ratings Database

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Personal

Gradus-Samson, GA (Grace Ann)

Chess SA id

2080105925

FIDE id

Date of birth

2008-07-07 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1138	1113.2	1206.4	1200
Raw rating	1138	1113.2	1206.4	1200
Weighted rating	1138	1113.2	1206.4	1200
Weighted performance	0	0	0	0
Floor	700	700	706.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.1	187.6	164.3	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1255.8 2019-09-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1206.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1206.4 2024-03-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1255.8 2019-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1138	1113.2	1206.4	1200
Analysis
Rating	1138	1113.2	1206.4	1200
Raw rating	1138	1113.2	1206.4	1200
Weighted rating	1138	1113.2	1206.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	706.4	700
Max/Min rating change allowed	181.1	187.6	164.3	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	1138	1113.2	1206.4	1200
New weighted rating	1138	1113.2	1206.4	1200
New weighted performance	0	0	0	0
Temp new rating	1138	1113.2	1206.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1138	1113.2	1206.4	1200
New K-factor	36	36	36	36
New floor	700	700	706.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	0	0	0
History	27	24	3

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	27	12	44.44	-47.2	1151	1103.8
Standard	24	10	41.67	-70.8	1147.7	1076.9
Rapid	3	2	66.67	141.7	1177.8	1319.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1138	1113.2	1206.4	1200
2025-09-01	1138	1113.2	1206.4	1200
2025-08-01	1138	1113.2	1206.4	1200
2025-07-01	1138	1113.2	1206.4	1200
2025-06-01	1138	1113.2	1206.4	1200
2025-05-01	1138	1113.2	1206.4	1200
2025-04-01	1138	1113.2	1206.4	1200
2025-03-01	1138	1113.2	1206.4	1200
2025-02-01	1138	1113.2	1206.4	1200
2025-01-01	1138	1113.2	1206.4	1200
2024-12-01	1138	1113.2	1206.4	1200
2024-11-01	1138	1113.2	1206.4	1200
2024-10-01	1138	1113.2	1206.4	1200
2024-09-01	1138	1113.2	1206.4	1200
2024-08-01	1138	1113.2	1206.4	1200
2024-07-01	1138	1113.2	1206.4	1200
2024-06-01	1138	1113.2	1206.4	1200
2024-08-01	1138	1113.2	1206.4	1200
2024-04-01	1138	1113.2	1206.4	1200
2024-03-01	1138	1113.2	1206.4	1200
2024-02-01	1138	1113.2	1206.4	1200
2024-01-01	1138	1113.2	1206.4	1200
2023-12-01	1138	1113.2	1206.4	1200
2023-11-01	1138	1113.2	1206.4	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	Western Cape Top Schools 2022 (U15 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
2	WP Closed 2022 (U16)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	0	0	No	Analysis
3	2022 Central District Individual Trials (U15)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	0	0	No	Analysis
4	2020 Metro Trials (U13 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
5	2020 Central District (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
6	3rd ACL Chess Festival 2019 (U12)	2019-09-05	2019-09-05	Rapid	Cape Town (WCT)	6	3	2	Yes	Analysis
7	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
8	Western Cape Top Schools 2018 (U13 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	3	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Schools Individuals 2019
		date 2018-08-25	rnd 2	type Standard	result 0.5	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Deglon, H (Hannah)				Opponent Cupido, M (Meghan)
2	2	Tournament 3rd ACL Chess Festival 2019				Tournament 2020 Central District
		date 2019-09-05	rnd 3	type Rapid	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Aziankou, J (Joshua)				Opponent Boulle, L (Luc)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 4	type Standard	result 0.5	date 2022-09-17	rnd 4	type Standard	result 0.5
		Opponent Titus, T (Tamia)				Opponent Titus, T (Tamia)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Schools Individuals 2019
		date 2018-08-25	rnd 2	type Standard	result 0.5	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Deglon, H (Hannah)				Opponent Cupido, M (Meghan)
2	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 4	type Standard	result 0.5	date 2022-09-17	rnd 4	type Standard	result 0.5
		Opponent Titus, T (Tamia)				Opponent Titus, T (Tamia)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-16	rnd 1	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Phillips, Z (Zara-Leigh)

#	Games	Start				End
1	1	Tournament 3rd ACL Chess Festival 2019				Tournament 3rd ACL Chess Festival 2019
		date 2019-09-05	rnd 3	type Rapid	result 1	date 2019-09-05	rnd 3	type Rapid	result 1
		Opponent Aziankou, J (Joshua)				Opponent Aziankou, J (Joshua)
2	1	Tournament 3rd ACL Chess Festival 2019				Tournament 3rd ACL Chess Festival 2019
		date 2019-09-05	rnd 1	type Rapid	result 1	date 2019-09-05	rnd 1	type Rapid	result 1
		Opponent Johnson, M (Meah)				Opponent Johnson, M (Meah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 3rd ACL Chess Festival 2019				Tournament 2020 Central District
		date 2019-09-05	rnd 3	type Rapid	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Aziankou, J (Joshua)				Opponent Boulle, L (Luc)
2	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Schools Individuals 2019
		date 2018-08-25	rnd 3	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Markus, T (Tamia)				Opponent Cupido, M (Meghan)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-16	rnd 1	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Phillips, Z (Zara-Leigh)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Schools Individuals 2019
		date 2018-08-25	rnd 3	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Markus, T (Tamia)				Opponent Cupido, M (Meghan)
2	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-16	rnd 1	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Phillips, Z (Zara-Leigh)
3	1	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 4	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Koti, Z (Zinathi)				Opponent Koti, Z (Zinathi)

#	Games	Start				End
1	1	Tournament 3rd ACL Chess Festival 2019				Tournament 3rd ACL Chess Festival 2019
		date 2019-09-05	rnd 3	type Rapid	result 1	date 2019-09-05	rnd 3	type Rapid	result 1
		Opponent Aziankou, J (Joshua)				Opponent Aziankou, J (Joshua)
2	1	Tournament 3rd ACL Chess Festival 2019				Tournament 3rd ACL Chess Festival 2019
		date 2019-09-05	rnd 1	type Rapid	result 1	date 2019-09-05	rnd 1	type Rapid	result 1
		Opponent Johnson, M (Meah)				Opponent Johnson, M (Meah)

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	Ntabeni ,P (Phelisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ntabeni ,P (Phelisa)	1	1218.2	793.2	1	1168.6	793.2	0	0	0	0	0	0
2	Titus ,T (Tamia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Titus ,T (Tamia)	1	1124.5	1124.5	1	1117.2	1124.5	0	0	0	0	0	0
3	Grove ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Grove ,E (Emily)	1	1184.3	759.3	1	1171.1	759.3	0	0	0	0	0	0
4	Boulle ,L (Luc)	1	1	425	1	1	425	0	0	0	0	0	0
4	Boulle ,L (Luc)	1	1146.6	1571.6	1	1132.8	1571.6	0	0	0	0	0	0
5	Steenkamp ,J (Janelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Steenkamp ,J (Janelle)	1	1172.2	747.2	1	1163.2	747.2	0	0	0	0	0	0
6	Lee ,MJ (Muhammad)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lee ,MJ (Muhammad)	1	975.3	550.3	1	908	550.3	0	0	0	0	0	0
7	Gideon ,J (Joy)	1	1	425	1	1	425	0	0	0	0	0	0
7	Gideon ,J (Joy)	1	1084.1	1509.1	1	1076.7	1509.1	0	0	0	0	0	0
8	Phillips ,Z (Zara-Leigh)	1	1	425	1	1	425	0	0	0	0	0	0
8	Phillips ,Z (Zara-Leigh)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Allie ,I (Ishmaeel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Allie ,I (Ishmaeel)	1	1334.1	909.1	1	1323	909.1	0	0	0	0	0	0
10	Kilroe-Smith ,G (Gabriella)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kilroe-Smith ,G (Gabriella)	1	1230.3	805.3	1	1121.5	805.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gradus-Samson, GA (Grace Ann)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms