Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lewin, R (Ruwaida)

Chess SA id

2070314618

FIDE id

Date of birth

2007-11-25 (U20)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.7	1199.6	1200	1200
Raw rating	1199.7	1199.6	1200	1200
Weighted rating	1199.7	1199.5	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	165.9	165.9	165.8	165.8
Highest rating	1199.9 2025-02-06	1199.9 2025-02-06	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1199.9 2025-02-06	1199.9 2025-02-06	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-06	1199.9 2025-02-06	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1145.7 2025-05-05	1118.4 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.7	1199.6	1200	1200
Analysis
Rating	1199.7	1199.6	1200	1200
Raw rating	1199.7	1199.6	1200	1200
Weighted rating	1199.7	1199.5	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	165.9	165.9	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	1199.7	1199.6	1200	1200
New weighted rating	1199.7	1199.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.7	1199.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.7	1199.6	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	21	21
	0	0
	0	0
	0	0
	0	0
History	21	21

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	21	9	42.86	-60.7	1223.2	1162.4
Standard	21	9	42.86	-60.7	1223.2	1162.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	9	42.86	-60.7	1223.2	1162.4
Standard	21	9	42.86	-60.7	1223.2	1162.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1199.7	1199.6	1200	1200
2025-11-30	1199.7	1199.6	1200	1200
2025-11-01	1199.7	1199.6	1200	1200
2025-09-30	1199.7	1199.6	1200	1200
2025-09-01	1199.7	1199.6	1200	1200
2025-08-01	1199.7	1199.6	1200	1200
2025-07-01	1199.7	1199.6	1200	1200
2025-06-01	1199.7	1199.5	1200	1200
2025-05-01	1199.7	1198.7	1200	1200
2025-04-01	1199.5	1199.2	1200	1200
2025-03-01	1197.5	1197	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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 Schools Individual Championship 2025 (U19 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U19 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	2	Yes	Analysis
3	George Schools Chess Trials 3 2025 (U15-U19 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Chess Trials 2 2025 (U19 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Schools Chess Trials 1 2025 (U19 Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	1	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 2	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Dowrie, R (Rory)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Radloff, I (Ivanicha)				Opponent Kloppers, C (Charlin)
3	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Siganga, P (Princess)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 2	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Dowrie, R (Rory)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Radloff, I (Ivanicha)				Opponent Kloppers, C (Charlin)
3	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Siganga, P (Princess)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 2	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Dowrie, R (Rory)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Radloff, I (Ivanicha)				Opponent Kloppers, C (Charlin)
3	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Siganga, P (Princess)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 2	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Dowrie, R (Rory)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Radloff, I (Ivanicha)				Opponent Kloppers, C (Charlin)
3	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Pypers, M (Mctayrrah)				Opponent Siganga, P (Princess)

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	Taylor ,M (Menirva)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Taylor ,M (Menirva)	3	1259.9	834.9	3	1261.2	834.9	0	0	0	0	0	0
2	Kloppers ,C (Charlin)	2	2	425	2	2	425	0	0	0	0	0	0
2	Kloppers ,C (Charlin)	2	1197.4	1622.4	2	1196.9	1622.4	0	0	0	0	0	0
3	Siganga ,P (Princess)	2	1	0	2	1	0	0	0	0	0	0	0
3	Siganga ,P (Princess)	2	1102.8	1102.8	2	1091	1102.8	0	0	0	0	0	0
4	Douglas ,C (Caitlin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Douglas ,C (Caitlin)	1	1432.2	1007.2	1	1429.6	1007.2	0	0	0	0	0	0
5	Nortje ,M (Melvinia)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nortje ,M (Melvinia)	1	1164.8	1589.8	1	1070.5	1589.8	0	0	0	0	0	0
6	Ziegers ,Z (Zaskia)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ziegers ,Z (Zaskia)	1	1541.7	1116.7	1	1534	1116.7	0	0	0	0	0	0
7	Jantjies ,T (Tresne)	1	1	425	1	1	425	0	0	0	0	0	0
7	Jantjies ,T (Tresne)	1	1047.1	1472.1	1	1038	1472.1	0	0	0	0	0	0
8	Adams ,J (Jade)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Adams ,J (Jade)	1	1461.7	1036.7	1	1444.9	1036.7	0	0	0	0	0	0
9	Dowrie ,R (Rory)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dowrie ,R (Rory)	1	913.9	1338.9	1	613.3	1338.9	0	0	0	0	0	0
10	Radloff ,I (Ivanicha)	1	1	425	1	1	425	0	0	0	0	0	0
10	Radloff ,I (Ivanicha)	1	1130.8	1555.8	1	1113.4	1555.8	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

Lewin, R (Ruwaida)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms