Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mostert, A (Altus)

Chess SA id

174095348

FIDE id

Date of birth

1974-04-12 (Adult)

Gender

Male

Region

Namakwa (NCN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1351.6	1397.5	1300	1300
Raw rating	1351.6	1397.5	1300	1300
Weighted rating	1351.4	1397.3	1299.7	1299.7
Weighted performance	0	0	0	0
Floor	851.6	897.5	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	133.6	125.1	143.8	143.8
Highest rating	1626.1 2018-02-01	1626.1 2018-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1351.6 2024-02-01	1397.5 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1349.7 2025-08-01	1394.8 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1626.1 2018-02-01	1626.1 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1351.6	1397.5	1300	1300
Analysis
Rating	1351.6	1397.5	1300	1300
Raw rating	1351.6	1397.5	1300	1300
Weighted rating	1351.4	1397.3	1299.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	851.6	897.5	800	800
Max/Min rating change allowed	133.6	125.1	143.8	143.8
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	1351.6	1397.5	1300	1300
New weighted rating	1351.6	1397.5	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1351.6	1397.5	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1351.6	1397.5	1300	1300
New K-factor	36	36	36	36
New floor	851.6	897.5	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	11	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Namakwa (NCN)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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	6	6	100	425	1194.5	1619.5
Standard	6	6	100	425	1194.5	1619.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1351.6	1397.5	1300	1300
2025-09-30	1351.6	1397.5	1300	1300
2025-09-01	1351.6	1397.5	1300	1300
2025-08-01	1351.6	1397.5	1300	1300
2025-07-01	1351.6	1397.5	1300	1300
2025-06-01	1351.6	1397.5	1300	1300
2025-05-01	1351.6	1397.5	1300	1300
2025-04-01	1351.6	1397.5	1300	1300
2025-03-01	1351.6	1397.5	1300	1300
2025-02-01	1351.6	1397.5	1300	1300
2025-01-01	1351.6	1397.5	1300	1300
2024-12-01	1351.6	1397.5	1300	1300
2024-11-01	1351.6	1397.5	1300	1300
2024-10-01	1351.6	1397.5	1300	1300
2024-09-01	1351.6	1397.5	1300	1300
2024-08-01	1351.6	1397.5	1300	1300
2024-07-01	1351.6	1397.5	1300	1300
2024-09-01	1351.6	1397.5	1300	1300
2024-05-01	1351.6	1397.5	1300	1300
2024-04-01	1351.6	1397.5	1300	1300
2024-03-01	1351.6	1397.5	1300	1300
2024-02-01	1351.6	1397.5	1300	1300
2024-01-01	1351.6	1397.5	1300	1300
2023-12-01	1296.6	1315.3	1200	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	Namakwa Proewe 2018 (Ope)	2018-08-04	2018-08-04	Standard	Namakwa (NCN)	5	1	1	Yes	Analysis
2	Namakwa District Chess Tournament 2018 (A)	2018-02-02	2018-02-03	Standard	Namakwa (NCN)	5	5	5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa Proewe 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Windfield, J (Jeremia)

#	Games	Start				End
1	6	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa Proewe 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Windfield, J (Jeremia)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa Proewe 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Windfield, J (Jeremia)

#	Games	Start				End
1	6	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa Proewe 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Windfield, J (Jeremia)

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	Windfield ,J (Jeremia)	1	1	425	1	1	425	0	0	0	0	0	0
1	Windfield ,J (Jeremia)	1	1167.1	1592.1	1	1160.4	1592.1	0	0	0	0	0	0
2	Maier ,R (Ralph)	1	1	425	1	1	425	0	0	0	0	0	0
2	Maier ,R (Ralph)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Rutledge ,R (Roderique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Rutledge ,R (Roderique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Erasmus ,R (Rudolph Andries)	1	1	425	1	1	425	0	0	0	0	0	0
4	Erasmus ,R (Rudolph Andries)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Prinsloo ,J (Jan Abram)	1	1	425	1	1	425	0	0	0	0	0	0
5	Prinsloo ,J (Jan Abram)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Williamson ,K (Karen)	1	1	425	1	1	425	0	0	0	0	0	0
6	Williamson ,K (Karen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Mostert, A (Altus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms