Chess South Africa Ratings Database

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Personal

Marais, A (Ava)

Chess SA id

2140151822

FIDE id

Marais

Date of birth

2014-08-20 (U12)

Gender

Female

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1368.9

Item	Main	Standard	Rapid	Blitz
Rating	1467.7	1465.3	1200	1200
Raw rating	1463.1	1463.3	1200	1200
Weighted rating	1326.7	1327.8	1200	1200
Weighted performance	1467.7	1465.3	0	0
Floor	963.1	963.3	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	114	114	165.8	165.8
Highest rating	1467.7 2025-09-30	1465.3 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1463.1 2025-09-30	1463.3 2025-09-30	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1326.7 2025-09-30	1327.8 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1467.7 2025-09-30	1465.3 2025-09-30	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.5	0	0
New rating	1467.2	1464.7	1200	1200
Analysis
Rating	1467.7	1465.3	1200	1200
Raw rating	1463.1	1463.3	1200	1200
Weighted rating	1326.7	1327.8	1200
Weighted performance	1467.7	1465.3	0
K-factor	32	32	36	36
Floor	963.1	963.3	700	700
Max/Min rating change allowed	114	114	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	1463.1	1463.3	1200	1200
New weighted rating	1341	1342	1200	1200
New weighted performance	1467.2	1464.7	0	0
Temp new rating	1467.2	1464.7	1200	1200
Temp new rating +/-	-0.5	-0.5	0	0
Final new rating +/-	-0.5	-0.5	0	0
New rating	1467.2	1464.7	1200	1200
New K-factor	32	32	36	36
New floor	963.1	963.3	700	700

Item	Main	Standard
	0	0
	24	24
	29	29
	24	24
	0	0
	0	0
History	77	77

Games since
	Main 58	Standard 58		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1511		515		32
Female	219		82		7
U12	175		63		5
U12 Female	47		22		3
Standard
	RSA		Province		Region
Overall	1446		527		39
Female	218		87		10
U12	164		67		6
U12 Female	46		25		4
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	24	18	75	212.5	1278.6	1491.1
Standard	24	18	75	212.5	1278.6	1491.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	77	42.5	55.19	44.2	1276.1	1320.3
Standard	77	42.5	55.19	44.2	1276.1	1320.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1463.1	1463.3	1200	1200
2025-09-01	1447.7	1444.4	1200	1200
2025-08-01	1447.7	1444.4	1200	1200
2025-07-01	1447.7	1444.4	1200	1200
2025-06-01	1396.4	1393.5	1200	1200
2025-05-01	1396.4	1393.5	1200	1200
2025-04-01	1315.4	1321.2	1200	1200
2025-03-01	1232.1	1235.1	1200	1200
2025-02-01	1237.7	1238.9	1200	1200
2025-01-01	1237.7	1238.9	1200	1200
2024-12-01	1252.6	1255.8	1200	1200
2024-11-01	1252.6	1255.8	1200	1200
2024-10-01	1273.5	1282.8	1200	1200
2024-09-01	1242.1	1249	1200	1200
2024-08-01	1242.1	1249	1200	1200
2024-07-01	1242.1	1249	1200	1200
2024-06-01	1214.3	1218	1200	1200
2024-08-01	1214.3	1218	1200	1200
2024-04-01	1214.3	1218	1200	1200
2024-03-01	1186.5	1184.2	1200	1200
2024-02-01	1186.5	1184.2	1200	1200
2024-01-01	1224.1	1224.9	1200	1200
2023-12-01	1224.1	1224.9	1200	1200
2023-11-01	1224.1	1224.9	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	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
2	West Rand Open 2.0 2025 (U12)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	4	3	Yes	Analysis
3	FIDE in The West 2025 (U12)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
5	2025 Piet Robbertse Fide Rated Open Chess Tournament (D)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
2	West Rand Open 2.0 2025 (U12)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	4	3	Yes	Analysis
3	FIDE in The West 2025 (U12)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	West Rand Juniors 2025 (U12)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
5	2025 Piet Robbertse Fide Rated Open Chess Tournament (D)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	2024 West Rand Closed (U12)	2024-10-12	2024-10-12	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
8	2024 West Rand Trials (U12)	2024-09-07	2024-09-07	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
9	FIDE in the West 2024 (U12)	2024-06-08	2024-06-08	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
10	2024 West Rand Juniors (U12)	2024-03-09	2024-03-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
11	2024 Gauteng Inter-Region Chess Championship (U10A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
12	West Rand vs Bojanala Inter-Regional Championships 2023 (U10)	2023-10-14	2023-10-14	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
13	2023 West Rand Trials (U10)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
14	4th Knight Riders Junior Open 2023 (U10+U12)	2023-09-16	2023-09-16	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
16	JNW Open - Crawford 2023 (U10)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament West Rand Juniors 2025				Tournament FIDE in The West 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Fourie, H (Hailey)				Opponent Carr, P (Phillip Stuart)
2	3	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Ngwenya, L (Lwazi)				Opponent Van Rensburg, L (Liem)
3	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Trials 2025
		date 2025-06-07	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sebe, O (One)

#	Games	Start				End
1	7	Tournament West Rand Juniors 2025				Tournament FIDE in The West 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Fourie, H (Hailey)				Opponent Carr, P (Phillip Stuart)
2	3	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Ngwenya, L (Lwazi)				Opponent Van Rensburg, L (Liem)
3	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Trials 2025
		date 2025-06-07	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sebe, O (One)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament West Rand Juniors 2025				Tournament FIDE in The West 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Fourie, H (Hailey)				Opponent Carr, P (Phillip Stuart)
2	3	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Ngwenya, L (Lwazi)				Opponent Van Rensburg, L (Liem)
3	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Trials 2025
		date 2025-06-07	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sebe, O (One)

#	Games	Start				End
1	7	Tournament West Rand Juniors 2025				Tournament FIDE in The West 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Fourie, H (Hailey)				Opponent Carr, P (Phillip Stuart)
2	3	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 5	type Standard	result 1
		Opponent Ngwenya, L (Lwazi)				Opponent Van Rensburg, L (Liem)
3	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Trials 2025
		date 2025-06-07	rnd 4	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sebe, O (One)

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	Mangqayi ,B (Busisiwe)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mangqayi ,B (Busisiwe)	3	1222.9	1364.5	3	1219.9	1364.5	0	0	0	0	0	0
2	White ,E (Edward)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	White ,E (Edward)	3	1446.4	1021.4	3	1435.4	1021.4	0	0	0	0	0	0
3	Ninham ,G (Grant)	2	2	425	2	2	425	0	0	0	0	0	0
3	Ninham ,G (Grant)	2	1315.2	1740.2	2	1321	1740.2	0	0	0	0	0	0
4	Van Wyk ,N (Nihann)	2	2	425	2	2	425	0	0	0	0	0	0
4	Van Wyk ,N (Nihann)	2	1214.1	1639.1	2	1215.1	1639.1	0	0	0	0	0	0
5	Fourie ,H (Hailey)	2	2	425	2	2	425	0	0	0	0	0	0
5	Fourie ,H (Hailey)	2	1094.6	1519.6	2	1076.2	1519.6	0	0	0	0	0	0
6	Van Rensburg ,L (Liem)	2	1	0	2	1	0	0	0	0	0	0	0
6	Van Rensburg ,L (Liem)	2	1263.8	1263.8	2	1260.8	1263.8	0	0	0	0	0	0
7	Brits ,E (Etienne)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Brits ,E (Etienne)	1	1248.5	823.5	1	1258.4	823.5	0	0	0	0	0	0
8	Pretorius ,A (Amone)	1	1	425	1	1	425	0	0	0	0	0	0
8	Pretorius ,A (Amone)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Namane ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Namane ,B (Bokamoso)	1	1179.6	1604.6	1	1176.2	1604.6	0	0	0	0	0	0
10	Wang ,J (Jiashu Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Wang ,J (Jiashu Daniel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marais, A (Ava)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms