Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mostert, R (Rian)

Chess SA id

1010097074

FIDE id

Date of birth

2001-07-03 (Adult)

Gender

Male

Region

ZF Mgcawu (NZF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1139.9	1133.5	1200	1200
Raw rating	1139.9	1133.5	1200	1200
Weighted rating	1139.9	1133.5	1200	1200
Weighted performance	0	0	0	0
Floor	702.6	704.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.6	182.3	165.8	165.8
Highest rating	1226.8 2018-03-01	1226.8 2018-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1202.6 2018-04-01	1204.8 2018-04-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1202.6 2018-02-01	1204.8 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1226.8 2018-03-01	1226.8 2018-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1139.9	1133.5	1200	1200
Analysis
Rating	1139.9	1133.5	1200	1200
Raw rating	1139.9	1133.5	1200	1200
Weighted rating	1139.9	1133.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	702.6	704.8	700	700
Max/Min rating change allowed	180.6	182.3	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	1139.9	1133.5	1200	1200
New weighted rating	1139.9	1133.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1139.9	1133.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1139.9	1133.5	1200	1200
New K-factor	36	36	36	36
New floor	702.6	704.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	19	19

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	ZF Mgcawu (NZF)
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	19	10.5	55.26	44.7	1041.5	1086.2
Standard	19	10.5	55.26	44.7	1041.5	1086.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1139.9	1133.5	1200	1200
2025-09-30	1139.9	1133.5	1200	1200
2025-09-01	1139.9	1133.5	1200	1200
2025-08-01	1139.9	1133.5	1200	1200
2025-07-01	1139.9	1133.5	1200	1200
2025-06-01	1139.9	1133.5	1200	1200
2025-05-01	1139.9	1133.5	1200	1200
2025-04-01	1139.9	1133.5	1200	1200
2025-03-01	1139.9	1133.5	1200	1200
2025-02-01	1139.9	1133.5	1200	1200
2025-01-01	1139.9	1133.5	1200	1200
2024-12-01	1139.9	1133.5	1200	1200
2024-11-01	1139.9	1133.5	1200	1200
2024-10-01	1139.9	1133.5	1200	1200
2024-09-01	1139.9	1133.5	1200	1200
2024-08-01	1139.9	1133.5	1200	1200
2024-07-01	1139.9	1133.5	1200	1200
2024-09-01	1139.9	1133.5	1200	1200
2024-05-01	1139.9	1133.5	1200	1200
2024-04-01	1139.9	1133.5	1200	1200
2024-03-01	1139.9	1133.5	1200	1200
2024-02-01	1139.9	1133.5	1200	1200
2024-01-01	1139.9	1133.5	1200	1200
2023-12-01	1139.9	1133.5	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	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	4	2	Yes	Analysis
2	ZF Mgcawu Qualifier (2)	2018-04-21	2018-04-21	Standard	ZF Mgcawu (NZF)	5	5	2.5	Yes	Analysis
3	ZF Mgcawu Schools District Open Chess Tournament 2018 (U18 Boys)	2018-03-17	2018-03-17	Standard	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis
4	ZF Mgcawu Qualifier Open Chess Tournament 2018 (A)	2018-02-17	2018-02-17	Standard	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament ZF Mgcawu Qualifier				Tournament ZF Mgcawu Qualifier
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Strydom, C (Chrizelle)				Opponent Du Plessis, C (Christina)
2	3	Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Maritz, R (Ragel)				Opponent Stemela, S (Sihle)
3	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 3	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Roos, TL (Timothy Leonard)				Opponent Eliades, V (Veronica)

#	Games	Start				End
1	3	Tournament ZF Mgcawu Qualifier				Tournament ZF Mgcawu Qualifier
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Strydom, C (Chrizelle)				Opponent Du Plessis, C (Christina)
2	3	Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Maritz, R (Ragel)				Opponent Stemela, S (Sihle)
3	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 3	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Roos, TL (Timothy Leonard)				Opponent Eliades, V (Veronica)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Maritz, R (Ragel)				Opponent Stemela, S (Sihle)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 3	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Roos, TL (Timothy Leonard)				Opponent Eliades, V (Veronica)
3	1	Tournament ZF Mgcawu Qualifier				Tournament ZF Mgcawu Qualifier
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Du Plessis, C (Christina)				Opponent Du Plessis, C (Christina)

#	Games	Start				End
1	3	Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Maritz, R (Ragel)				Opponent Stemela, S (Sihle)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 3	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Roos, TL (Timothy Leonard)				Opponent Eliades, V (Veronica)
3	1	Tournament ZF Mgcawu Qualifier				Tournament ZF Mgcawu Qualifier
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Du Plessis, C (Christina)				Opponent Du Plessis, C (Christina)

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	Strydom ,C (Chrizelle)	2	2	425	2	2	425	0	0	0	0	0	0
1	Strydom ,C (Chrizelle)	2	868	1293	2	873.9	1293	0	0	0	0	0	0
2	Saunders ,L (Lihandri)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Saunders ,L (Lihandri)	1	881	456	1	927.2	456	0	0	0	0	0	0
3	Engelbrecht ,R (Rian)	1	1	425	1	1	425	0	0	0	0	0	0
3	Engelbrecht ,R (Rian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Stemela ,S (Sihle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Stemela ,S (Sihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Du Plessis ,C (Christina)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Plessis ,C (Christina)	1	1141.6	1566.6	1	1129.6	1566.6	0	0	0	0	0	0
6	Marais ,NJ (Nicholas)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Marais ,NJ (Nicholas)	1	1207.6	782.6	1	1209.6	782.6	0	0	0	0	0	0
7	Willemse ,D (Dean)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Willemse ,D (Dean)	1	713.2	288.2	1	713.2	288.2	0	0	0	0	0	0
8	Maritz ,R (Ragel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maritz ,R (Ragel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Marais ,J (Jp)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Marais ,J (Jp)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Lokay ,K (Keotshepile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lokay ,K (Keotshepile)	1	1161.4	736.4	1	1161.4	736.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Mostert, R (Rian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms