Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, A (Amber)

Chess SA id

2140153645

FIDE id

Date of birth

2014-04-09 (U12)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1181.6	1183.5	1182.4	1200
Raw rating	1181.6	1183.5	1182.4	1200
Weighted rating	1181.6	1183.4	1182.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.2	169.8	170	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 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 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1181.6	1183.5	1182.4	1200
Analysis
Rating	1181.6	1183.5	1182.4	1200
Raw rating	1181.6	1183.5	1182.4	1200
Weighted rating	1181.6	1183.4	1182.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	170.2	169.8	170	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	1181.6	1183.5	1182.4	1200
New weighted rating	1181.6	1183.4	1182.2	1200
New weighted performance	0	0	0	0
Temp new rating	1181.6	1183.5	1182.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1181.6	1183.5	1182.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	11	5	6
	0	0	0
	0	0	0
History	11	5	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	11	4.5	40.91	-77.3	1214.3	1137.1
Standard	5	2	40	-85	1200	1115
Rapid	6	2.5	41.67	-70.8	1226.3	1155.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1181.6	1183.5	1182.4	1200
2025-09-01	1181.6	1183.5	1182.4	1200
2025-08-01	1181.6	1183.5	1182.4	1200
2025-07-01	1181.6	1183.5	1182.4	1200
2025-06-01	1181.6	1183.5	1182.4	1200
2025-05-01	1181.6	1183.5	1182.4	1200
2025-04-01	1181.6	1183.5	1182.4	1200
2025-03-01	1181.6	1183.5	1182.4	1200
2025-02-01	1181.6	1183.5	1182.4	1200
2025-01-01	1181.5	1183.4	1182	1200
2024-12-01	1181.5	1183.4	1182	1200
2024-11-01	1181.5	1183.4	1182	1200
2024-10-01	1181.5	1183.4	1182	1200
2024-09-01	1181.5	1183.4	1182	1200
2024-08-01	1181.5	1183.4	1182	1200
2024-07-01	1181.5	1183.4	1182	1200
2024-06-01	1181.5	1183.4	1182	1200
2024-08-01	1181.5	1183.4	1182	1200
2024-04-01	1181.5	1183.4	1182	1200
2024-03-01	1181.5	1183.4	1182	1200
2024-02-01	1181.5	1183.4	1182	1200
2024-01-01	1181.5	1183.4	1182	1200
2023-12-01	1181.5	1183.4	1182	1200
2023-11-01	1181.5	1183.4	1182	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	2nd BC Trials 2023 (U10B)	2023-06-03	2023-06-03	Rapid	Buffalo City (EBC)	7	6	2.5	Yes	Analysis
2	BC Chess Trials 1 of 5 2023 (Beginner)	2023-04-22	2023-04-22	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament BC Chess Trials 1 of 5 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-04-22	rnd 2	type Standard	result 0.5	date 2023-04-22	rnd 5	type Standard	result 0.5
		Opponent Matyobeni, A (Athandwa)				Opponent Sonjica, G (Gqwesa)
2	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 6	type Rapid	result 1	date 2023-06-03	rnd 7	type Rapid	result 0.5
		Opponent Sejosing, U (Uyakha)				Opponent Mayekiso, L (Lunathi)
3	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Makeleni, S (Sandiso)				Opponent Makeleni, S (Sandiso)

#	Games	Start				End
1	4	Tournament BC Chess Trials 1 of 5 2023				Tournament BC Chess Trials 1 of 5 2023
		date 2023-04-22	rnd 2	type Standard	result 0.5	date 2023-04-22	rnd 5	type Standard	result 0.5
		Opponent Matyobeni, A (Athandwa)				Opponent Sonjica, G (Gqwesa)

#	Games	Start				End
1	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 6	type Rapid	result 1	date 2023-06-03	rnd 7	type Rapid	result 0.5
		Opponent Sejosing, U (Uyakha)				Opponent Mayekiso, L (Lunathi)
2	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Makeleni, S (Sandiso)				Opponent Makeleni, S (Sandiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 6	type Rapid	result 1	date 2023-06-03	rnd 6	type Rapid	result 1
		Opponent Sejosing, U (Uyakha)				Opponent Sejosing, U (Uyakha)
2	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Makeleni, S (Sandiso)				Opponent Makeleni, S (Sandiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 6	type Rapid	result 1	date 2023-06-03	rnd 6	type Rapid	result 1
		Opponent Sejosing, U (Uyakha)				Opponent Sejosing, U (Uyakha)
2	1	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Makeleni, S (Sandiso)				Opponent Makeleni, S (Sandiso)

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	Marques ,T (Typquin Creed)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Marques ,T (Typquin Creed)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
2	Ntshona ,L (Linethemba)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ntshona ,L (Linethemba)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Matyobeni ,A (Athandwa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Matyobeni ,A (Athandwa)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Sonjica ,G (Gqwesa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Sonjica ,G (Gqwesa)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Mdukisi ,A (Ambesa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Mdukisi ,A (Ambesa)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Makeleni ,S (Sandiso)	1	1	425	0	0	0	1	1	425	0	0	0
6	Makeleni ,S (Sandiso)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Sejosing ,U (Uyakha)	1	1	425	0	0	0	1	1	425	0	0	0
7	Sejosing ,U (Uyakha)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Wood ,S (Sebastian)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Wood ,S (Sebastian)	1	1258.6	833.6	0	0	0	1	1200	833.6	0	0	0
9	Mayekiso ,L (Lunathi)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Mayekiso ,L (Lunathi)	1	1229.3	1229.3	0	0	0	1	1200	1229.3	0	0	0
10	Tshona ,L (Linethemba)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Tshona ,L (Linethemba)	1	1253.6	828.6	0	0	0	1	1200	828.6	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

Du Preez, A (Amber)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms