Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mostert, R (Ruan)

Chess SA id

1100148002

FIDE id

Date of birth

2010-01-05 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1087.1	1065.2	1155.2	1200
Raw rating	1087.1	1065.2	1155.2	1200
Weighted rating	1086.6	1063.9	1154.6	1200
Weighted performance	736.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	194.7	200.9	176.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	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 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1087.1	1065.2	1155.2	1200
Analysis
Rating	1087.1	1065.2	1155.2	1200
Raw rating	1087.1	1065.2	1155.2	1200
Weighted rating	1086.6	1063.9	1154.6
Weighted performance	736.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	194.7	200.9	176.7	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	1087.1	1065.2	1155.2	1200
New weighted rating	1086.7	1064.1	1154.6	1200
New weighted performance	735.9	0	0	0
Temp new rating	1087.1	1065.2	1155.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1087.1	1065.2	1155.2	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
	25	14	11
	4	4	0
	0	0	0
History	29	18	11

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	29	8	27.59	-190.5	1210.4	1019.9
Standard	18	4	22.22	-236.1	1208.4	972.3
Rapid	11	4	36.36	-115.9	1213.6	1097.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1087.1	1065.2	1155.2	1200
2025-09-01	1087.1	1065.2	1155.2	1200
2025-08-01	1087.1	1065.2	1155.2	1200
2025-07-01	1087.1	1065.2	1155.2	1200
2025-06-01	1087.1	1065.2	1155.2	1200
2025-05-01	1087.1	1065.2	1155.2	1200
2025-04-01	1087.1	1065.2	1155.2	1200
2025-03-01	1087.1	1065.2	1155.2	1200
2025-02-01	1087.1	1065.2	1155.2	1200
2025-01-01	1085.9	1062	1153.6	1200
2024-12-01	1085.9	1062	1153.6	1200
2024-11-01	1085.9	1062	1153.6	1200
2024-10-01	1085.9	1062	1153.6	1200
2024-09-01	1085.9	1062	1153.6	1200
2024-08-01	1085.9	1062	1153.6	1200
2024-07-01	1085.9	1062	1153.6	1200
2024-06-01	1085.9	1062	1153.6	1200
2024-08-01	1085.9	1062	1153.6	1200
2024-04-01	1085.9	1062	1153.6	1200
2024-03-01	1085.9	1062	1153.6	1200
2024-02-01	1085.9	1062	1153.6	1200
2024-01-01	1085.9	1062	1153.6	1200
2023-12-01	1085.9	1062	1153.6	1200
2023-11-01	1085.9	1062	1153.6	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	Worcester Knock-Out 2023 (U13 Boys)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Goue Akkertjies 2023 (A)	2023-09-16	2023-09-16	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
3	CW Top Schools 2023 (U13 Mix + U13 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
4	Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Marie Delport Memorial 2023 (Open)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	4	1	Yes	Analysis
6	CW Grass Roots Tournament 2022 (U13 Boys)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2023-10-14	rnd 6	type Rapid	result 1
		Opponent Swanepoel, L (Leighton)				Opponent Erasmus, M (Maxwell)
2	1	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 3	type Rapid	result 1
		Opponent Davidse, Z (Zac)				Opponent Davidse, Z (Zac)
3	1	Tournament Goue Akkertjies 2023				Tournament Goue Akkertjies 2023
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Klopper, M (Marli)				Opponent Klopper, M (Marli)

#	Games	Start				End
1	1	Tournament Goue Akkertjies 2023				Tournament Goue Akkertjies 2023
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Klopper, M (Marli)				Opponent Klopper, M (Marli)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Cassiem, A (Armeen)				Opponent Cassiem, A (Armeen)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Ackerman, C (Corneulse)				Opponent Ackerman, C (Corneulse)

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2023-10-14	rnd 6	type Rapid	result 1
		Opponent Swanepoel, L (Leighton)				Opponent Erasmus, M (Maxwell)
2	1	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 3	type Rapid	result 1
		Opponent Davidse, Z (Zac)				Opponent Davidse, Z (Zac)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 2	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Cyster, J (Jean-Luke)				Opponent Cyster, J (Jean-Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2023-10-14	rnd 6	type Rapid	result 1
		Opponent Swanepoel, L (Leighton)				Opponent Erasmus, M (Maxwell)
2	1	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 3	type Rapid	result 1
		Opponent Davidse, Z (Zac)				Opponent Davidse, Z (Zac)
3	1	Tournament Goue Akkertjies 2023				Tournament Goue Akkertjies 2023
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Klopper, M (Marli)				Opponent Klopper, M (Marli)

#	Games	Start				End
1	1	Tournament Goue Akkertjies 2023				Tournament Goue Akkertjies 2023
		date 2023-09-16	rnd 3	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Klopper, M (Marli)				Opponent Klopper, M (Marli)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Cassiem, A (Armeen)				Opponent Cassiem, A (Armeen)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Ackerman, C (Corneulse)				Opponent Ackerman, C (Corneulse)

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2023-10-14	rnd 6	type Rapid	result 1
		Opponent Swanepoel, L (Leighton)				Opponent Erasmus, M (Maxwell)
2	1	Tournament Worcester Knock-Out 2023				Tournament Worcester Knock-Out 2023
		date 2023-10-14	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 3	type Rapid	result 1
		Opponent Davidse, Z (Zac)				Opponent Davidse, Z (Zac)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 2	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Cyster, J (Jean-Luke)				Opponent Cyster, J (Jean-Luke)

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	Barnard ,B (Ben)	3	0	-425	1	0	-425	2	0	-425	0	0	0
1	Barnard ,B (Ben)	3	1263.8	838.8	1	1188.2	838.8	2	1227.6	838.8	0	0	0
2	Cyster ,J (Jean-Luke)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Cyster ,J (Jean-Luke)	2	1161.1	1161.1	1	1165	736.1	1	1166.8	1586.1	0	0	0
3	September ,C (Cindy-Joy)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	September ,C (Cindy-Joy)	2	1153.7	728.7	1	1171.6	728.7	1	1161.6	728.7	0	0	0
4	Klopper ,M (Marli)	1	1	425	1	1	425	0	0	0	0	0	0
4	Klopper ,M (Marli)	1	1155.7	1580.7	1	1168.2	1580.7	0	0	0	0	0	0
5	Grobbelaar ,A (Altus)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Grobbelaar ,A (Altus)	1	1248.5	823.5	1	1191.6	823.5	0	0	0	0	0	0
6	Vollenhoven ,J (Jodrian Waleek)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vollenhoven ,J (Jodrian Waleek)	1	1121.3	696.3	1	1120	696.3	0	0	0	0	0	0
7	De Kock ,S (Stephan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	De Kock ,S (Stephan)	1	1110.9	685.9	1	1134	685.9	0	0	0	0	0	0
8	Jacobs ,M (Marciano)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jacobs ,M (Marciano)	1	1228.7	803.7	1	1205.6	803.7	0	0	0	0	0	0
9	Van Tonder ,L (Luhann)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Tonder ,L (Luhann)	1	1450.7	1025.7	1	1435.2	1025.7	0	0	0	0	0	0
10	Senti ,S (Samuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Senti ,S (Samuel)	1	1212.8	787.8	1	1221.6	787.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mostert, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms