Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stafford, A (Anna)

Chess SA id

1160191340

FIDE id

Date of birth

2016-01-01 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1191.5	1200	1176.4	1200
Raw rating	1168.2	1200	1116.2	1200
Weighted rating	1191.5	1200	1176.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.5	165.8	186.8	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 2024-02-01	1200 2019-12-01	1200 2024-02-01
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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.9	0	-5	0
New rating	1189.6	1200	1171.3	1200
Analysis
Rating	1191.5	1200	1176.4	1200
Raw rating	1168.2	1200	1116.2	1200
Weighted rating	1191.5	1200	1176.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.5	165.8	186.8	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	1168.2	1200	1116.2	1200
New weighted rating	1189.6	1200	1171.3	1200
New weighted performance	0	0	0	0
Temp new rating	1189.6	1200	1171.3	1200
Temp new rating +/-	-1.9	0	-5	0
Final new rating +/-	-1.9	0	-5	0
New rating	1189.6	1200	1171.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	4	4
	0	0
	5	5
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 0		Rapid 9		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-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	0	0	-425	1297.7	872.7
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1297.7	872.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	2	22.22	-236.1	1263.4	1027.3
Standard	0	0	0	0	0	0
Rapid	9	2	22.22	-236.1	1263.4	1027.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1168.2	1200	1116.2	1200
2025-09-01	1194	1200	1182.8	1200
2025-08-01	1194	1200	1182.8	1200
2025-07-01	1194	1200	1182.8	1200
2025-06-01	1194	1200	1182.8	1200
2025-05-01	1194	1200	1182.8	1200
2025-04-01	1194	1200	1182.8	1200
2025-03-01	1194	1200	1182.8	1200
2025-02-01	1194	1200	1182.8	1200
2025-01-01	1192.9	1200	1179.8	1200
2024-12-01	1192.9	1200	1179.8	1200
2024-11-01	1192.9	1200	1179.8	1200
2024-10-01	1192.9	1200	1179.8	1200
2024-09-01	1192.9	1200	1179.8	1200
2024-08-01	1192.9	1200	1179.8	1200
2024-07-01	1192.9	1200	1179.8	1200
2024-06-01	1192.9	1200	1179.8	1200
2024-08-01	1192.9	1200	1179.8	1200
2024-04-01	1192.9	1200	1179.8	1200
2024-03-01	1192.9	1200	1179.8	1200
2024-02-01	1192.9	1200	1179.8	1200
2024-01-01	1192.9	1200	1179.8	1200
2023-12-01	1192.9	1200	1179.8	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	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
2	Chess is My Lifestyle 2023 (Grade 0-2)	2023-12-09	2023-12-09	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Chess is My Lifestyle 2023				Tournament Chess is My Lifestyle 2023
		date 2023-12-09	rnd 1	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Phiri, I (Ikaneng)				Opponent Mwanza, C (Chloe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess is My Lifestyle 2023				Tournament Chess is My Lifestyle 2023
		date 2023-12-09	rnd 1	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Phiri, I (Ikaneng)				Opponent Mwanza, C (Chloe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess is My Lifestyle 2023				Tournament Chess is My Lifestyle 2023
		date 2023-12-09	rnd 1	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Phiri, I (Ikaneng)				Opponent Mwanza, C (Chloe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess is My Lifestyle 2023				Tournament Chess is My Lifestyle 2023
		date 2023-12-09	rnd 1	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Phiri, I (Ikaneng)				Opponent Mwanza, C (Chloe)

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	Phiri ,I (Ikaneng)	1	1	425	0	0	0	1	1	425	0	0	0
1	Phiri ,I (Ikaneng)	1	1128.2	1553.2	0	0	0	1	1083.2	1553.2	0	0	0
2	Farkas ,G (Gadi)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Farkas ,G (Gadi)	1	1335.7	910.7	0	0	0	1	1239.6	910.7	0	0	0
3	Wong ,K (Kayla)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Wong ,K (Kayla)	1	1226.1	801.1	0	0	0	1	1223.2	801.1	0	0	0
4	Kamffer ,J (John-Andrew)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Kamffer ,J (John-Andrew)	1	1448.4	1023.4	0	0	0	1	1232	1023.4	0	0	0
5	Moss ,D (Danielle)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Moss ,D (Danielle)	1	1177.1	752.1	0	0	0	1	1143.8	752.1	0	0	0
6	Zhu ,R (Ryan Yuancheng)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Zhu ,R (Ryan Yuancheng)	1	1425	1000	0	0	0	1	1267.6	1000	0	0	0
7	Jacobs ,R (Rameez)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jacobs ,R (Rameez)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Mwanza ,C (Chloe)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mwanza ,C (Chloe)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Marcus ,Y (Yoni)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Marcus ,Y (Yoni)	1	1229.7	804.7	0	0	0	1	1238	804.7	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

Stafford, A (Anna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms