Chess South Africa Ratings Database

PLAYER PAGE

Personal

Perez , R (Ruwaan)

Chess SA id

1040099877

FIDE id

Date of birth

2004-01-02 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1113.3	1095.6	1200	1200
Raw rating	1113.3	1095.6	1200	1200
Weighted rating	1113.3	1095.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	187.6	192.4	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 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	1113.3	1095.6	1200	1200
Analysis
Rating	1113.3	1095.6	1200	1200
Raw rating	1113.3	1095.6	1200	1200
Weighted rating	1113.3	1095.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	187.6	192.4	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	1113.3	1095.6	1200	1200
New weighted rating	1113.3	1095.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1113.3	1095.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1113.3	1095.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	16	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
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	16	7	43.75	-53.1	1072	1018.8
Standard	16	7	43.75	-53.1	1072	1018.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1113.3	1095.6	1200	1200
2025-09-30	1113.3	1095.6	1200	1200
2025-09-01	1113.3	1095.6	1200	1200
2025-08-01	1113.3	1095.6	1200	1200
2025-07-01	1113.3	1095.6	1200	1200
2025-06-01	1113.3	1095.6	1200	1200
2025-05-01	1113.3	1095.6	1200	1200
2025-04-01	1113.3	1095.6	1200	1200
2025-03-01	1113.3	1095.6	1200	1200
2025-02-01	1113.3	1095.6	1200	1200
2025-01-01	1113.3	1095.6	1200	1200
2024-12-01	1113.3	1095.6	1200	1200
2024-11-01	1113.3	1095.6	1200	1200
2024-10-01	1113.3	1095.6	1200	1200
2024-09-01	1113.3	1095.6	1200	1200
2024-08-01	1113.3	1095.6	1200	1200
2024-07-01	1113.3	1095.6	1200	1200
2024-09-01	1113.3	1095.6	1200	1200
2024-05-01	1113.3	1095.6	1200	1200
2024-04-01	1113.3	1095.6	1200	1200
2024-03-01	1113.3	1095.6	1200	1200
2024-02-01	1113.3	1095.6	1200	1200
2024-01-01	1113.3	1095.6	1200	1200
2023-12-01	1113.3	1095.6	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	Western Cape Top Schools 2018 (U15 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Chess 1st Trial 2018 (A)	2018-04-14	2018-04-14	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
3	Overberg Schools Closed 2018 (U15 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-26	rnd 5	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Jacobs, D (Duwayne)
2	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Slingers, M (Marlon)				Opponent Slingers, M (Marlon)
3	1	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent De Wee, S (Stewan)				Opponent De Wee, S (Stewan)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-26	rnd 5	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Jacobs, D (Duwayne)
2	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Slingers, M (Marlon)				Opponent Slingers, M (Marlon)
3	1	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent De Wee, S (Stewan)				Opponent De Wee, S (Stewan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-26	rnd 5	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Jacobs, D (Duwayne)
2	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Slingers, M (Marlon)				Opponent Slingers, M (Marlon)
3	1	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent De Wee, S (Stewan)				Opponent De Wee, S (Stewan)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-26	rnd 5	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Jacobs, D (Duwayne)
2	1	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Slingers, M (Marlon)				Opponent Slingers, M (Marlon)
3	1	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent De Wee, S (Stewan)				Opponent De Wee, S (Stewan)

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	Carelse ,C (Colridge)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Carelse ,C (Colridge)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Van Der Westhuizen ,B (Ben)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Der Westhuizen ,B (Ben)	1	1047.8	622.8	1	1047.8	622.8	0	0	0	0	0	0
3	Swarts ,R (Raven)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Swarts ,R (Raven)	1	1212.6	787.6	1	1215.2	787.6	0	0	0	0	0	0
4	Orange ,C (Caitlin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Orange ,C (Caitlin)	1	1183.7	1608.7	1	1180.4	1608.7	0	0	0	0	0	0
5	Van Wyk ,D (Dimitri)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Wyk ,D (Dimitri)	1	629.7	204.7	1	629.7	204.7	0	0	0	0	0	0
6	Tyer ,K (Khaalid)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tyer ,K (Khaalid)	1	910.9	485.9	1	847.4	485.9	0	0	0	0	0	0
7	Witbooi ,Y (Yasmin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Witbooi ,Y (Yasmin)	1	1088.4	663.4	1	1072	663.4	0	0	0	0	0	0
8	Mostert ,R (Remi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mostert ,R (Remi)	1	566.8	991.8	1	566.8	991.8	0	0	0	0	0	0
9	Jacobs ,D (Duwayne)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jacobs ,D (Duwayne)	1	1142.4	1567.4	1	1129.6	1567.4	0	0	0	0	0	0
10	Ndavala ,J (Jeffline)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ndavala ,J (Jeffline)	1	1189.4	764.4	1	1187.2	764.4	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

Perez , R (Ruwaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms