Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duri, DR (Dion Ruvarashe)

Chess SA id

2090101546

FIDE id

Date of birth

2009-10-09 (U18)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1150.1	1147.7	1200	1200
Raw rating	1150.1	1147.7	1200	1200
Weighted rating	1149.6	1147.1	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178	178.6	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 2024-03-01	1200 2024-03-01
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 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1150.1	1147.7	1200	1200
Analysis
Rating	1150.1	1147.7	1200	1200
Raw rating	1150.1	1147.7	1200	1200
Weighted rating	1149.6	1147.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178	178.6	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	1150.1	1147.7	1200	1200
New weighted rating	1149.4	1147	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1150.1	1147.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1150.1	1147.7	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	5	5
	10	10
	5	5
	0	0
	0	0
History	22	22

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	5	2	40	-85	1161.3	1076.3
Standard	5	2	40	-85	1161.3	1076.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	7	31.82	-154.5	1220.2	1065.6
Standard	22	7	31.82	-154.5	1220.2	1065.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1150.1	1147.7	1200	1200
2025-09-30	1150.1	1147.7	1200	1200
2025-09-01	1150.1	1147.7	1200	1200
2025-08-01	1150.1	1147.7	1200	1200
2025-07-01	1150.1	1147.7	1200	1200
2025-06-01	1149.5	1146.8	1200	1200
2025-05-01	1150.8	1148.5	1200	1200
2025-04-01	1150.8	1148.5	1200	1200
2025-03-01	1150.8	1148.5	1200	1200
2025-02-01	1150.2	1147.8	1200	1200
2025-01-01	1139.9	1135.6	1200	1200
2024-12-01	1139.9	1135.6	1200	1200
2024-11-01	1139.9	1135.6	1200	1200
2024-10-01	1139.9	1135.6	1200	1200
2024-09-01	1139.9	1135.6	1200	1200
2024-08-01	1139.9	1135.6	1200	1200
2024-07-01	1166.8	1168.4	1200	1200
2024-09-01	1166.8	1168.4	1200	1200
2024-05-01	1166.8	1168.4	1200	1200
2024-04-01	1166.8	1168.4	1200	1200
2024-03-01	1166.8	1168.4	1200	1200
2024-02-01	1153.5	1150.8	1200	1200
2024-01-01	1153.5	1150.8	1200	1200
2023-12-01	1153.5	1150.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	National All Girls' Festival 2025	2025-04-28	2025-04-30	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	National All Girls' Festival 2025	2025-04-28	2025-04-30	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	NMBCU Trials 4 2024 (U16)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
3	NMBCU Trials 1 2024 (U16)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
4	2023 Pearson Open Chess Tournament (C)	2023-02-24	2023-02-25	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
5	NMB Youth Chess Trial 3 2018 (U10)	2018-05-11	2018-05-12	Standard	Nelson Mandela Bay (ENM)	6	2	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 1	type Standard	result 0.5	date 2025-04-28	rnd 2	type Standard	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Kumar, A (Amita)
2	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-02-16	rnd 6	type Standard	result 1
		Opponent Quratulain, M (Munier)				Opponent Cona, S (Shaunwin)
3	1	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-29	rnd 4	type Standard	result 0.5	date 2025-04-29	rnd 4	type Standard	result 0.5
		Opponent Yalcoue, Z (Zenebou)				Opponent Yalcoue, Z (Zenebou)

#	Games	Start				End
1	2	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 1	type Standard	result 0.5	date 2025-04-28	rnd 2	type Standard	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Kumar, A (Amita)
2	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-02-16	rnd 6	type Standard	result 1
		Opponent Quratulain, M (Munier)				Opponent Cona, S (Shaunwin)
3	1	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-29	rnd 4	type Standard	result 0.5	date 2025-04-29	rnd 4	type Standard	result 0.5
		Opponent Yalcoue, Z (Zenebou)				Opponent Yalcoue, Z (Zenebou)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-02-16	rnd 6	type Standard	result 1
		Opponent Quratulain, M (Munier)				Opponent Cona, S (Shaunwin)
2	1	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 2	type Standard	result 1	date 2025-04-28	rnd 2	type Standard	result 1
		Opponent Kumar, A (Amita)				Opponent Kumar, A (Amita)
3	1	Tournament NMBCU Trials 4 2024				Tournament NMBCU Trials 4 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 4	type Standard	result 1
		Opponent Sihewula, A (Achuma)				Opponent Sihewula, A (Achuma)

#	Games	Start				End
1	2	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-02-16	rnd 6	type Standard	result 1
		Opponent Quratulain, M (Munier)				Opponent Cona, S (Shaunwin)
2	1	Tournament National All Girls' Festival 2025				Tournament National All Girls' Festival 2025
		date 2025-04-28	rnd 2	type Standard	result 1	date 2025-04-28	rnd 2	type Standard	result 1
		Opponent Kumar, A (Amita)				Opponent Kumar, A (Amita)
3	1	Tournament NMBCU Trials 4 2024				Tournament NMBCU Trials 4 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 4	type Standard	result 1
		Opponent Sihewula, A (Achuma)				Opponent Sihewula, A (Achuma)

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	Amachukwu ,J (Joseph)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Amachukwu ,J (Joseph)	2	1298.3	873.3	2	1291.7	873.3	0	0	0	0	0	0
2	Nair ,G (Gautam)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nair ,G (Gautam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Quratulain ,M (Munier)	1	1	425	1	1	425	0	0	0	0	0	0
3	Quratulain ,M (Munier)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Dhiya� ,N (Nirmal)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Dhiya� ,N (Nirmal)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Mphephuka ,B (Botshelo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Mphephuka ,B (Botshelo)	1	1150.1	1150.1	1	1200	1150.1	0	0	0	0	0	0
6	Cona ,S (Shaunwin)	1	1	425	1	1	425	0	0	0	0	0	0
6	Cona ,S (Shaunwin)	1	1206.6	1631.6	1	1207.6	1631.6	0	0	0	0	0	0
7	Kivido ,Z (Zach)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kivido ,Z (Zach)	1	1377.5	952.5	1	1382	952.5	0	0	0	0	0	0
8	Sihewula ,A (Achuma)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sihewula ,A (Achuma)	1	1347.7	1772.7	1	1347.2	1772.7	0	0	0	0	0	0
9	Yalcoue ,Z (Zenebou)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Yalcoue ,Z (Zenebou)	1	1183.2	1183.2	1	1132.8	1183.2	0	0	0	0	0	0
10	Jones ,K (Kellen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jones ,K (Kellen)	1	1062.6	637.6	1	1061.4	637.6	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

Duri, DR (Dion Ruvarashe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms