Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dvir, J (Jordan)

Chess SA id

205086770

FIDE id

Date of birth

2005-03-02 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1315.1	1306.9	1194.4	1200
Raw rating	1315.1	1306.9	1194.4	1200
Weighted rating	1315.1	1306.9	1194.4	1200
Weighted performance	616.4	567.8	0	0
Floor	923.1	914.1	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	140.7	142.4	167.1	165.8
Highest rating	1437.3 2020-02-01	1428.3 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1423.1 2020-03-01	1414.1 2020-03-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1423.1 2022-01-01	1414.1 2022-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1437.3 2020-02-01	1428.3 2020-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1315.1	1306.9	1194.4	1200
Analysis
Rating	1315.1	1306.9	1194.4	1200
Raw rating	1315.1	1306.9	1194.4	1200
Weighted rating	1315.1	1306.9	1194.4
Weighted performance	616.4	567.8	0
K-factor	32	32	36	36
Floor	923.1	914.1	700	700
Max/Min rating change allowed	140.7	142.4	167.1	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	1315.1	1306.9	1194.4	1200
New weighted rating	1315.1	1306.9	1194.4	1200
New weighted performance	616	567.4	0	0
Temp new rating	1315.1	1306.9	1194.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1315.1	1306.9	1194.4	1200
New K-factor	32	32	36	36
New floor	923.1	914.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	10	5	5
History	123	118	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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	104	53.5	51.44	12.3	1114.4	1126.7
Standard	99	50.5	51.01	8.6	1106.1	1114.7
Rapid	5	3	60	85	1278.7	1363.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1315.1	1306.9	1194.4	1200
2025-09-01	1315.1	1306.9	1194.4	1200
2025-08-01	1315.1	1306.9	1194.4	1200
2025-07-01	1315.1	1306.9	1194.4	1200
2025-06-01	1315.1	1306.9	1194.4	1200
2025-05-01	1315.1	1306.9	1194.4	1200
2025-04-01	1315.1	1306.9	1194.4	1200
2025-03-01	1315.1	1306.9	1194.4	1200
2025-02-01	1315.1	1306.9	1194.4	1200
2025-01-01	1315.1	1306.9	1194.4	1200
2024-12-01	1315.1	1306.9	1194.4	1200
2024-11-01	1315.1	1306.9	1194.4	1200
2024-10-01	1315.1	1306.9	1194.4	1200
2024-09-01	1315.1	1306.9	1194.4	1200
2024-08-01	1315.1	1306.9	1194.4	1200
2024-07-01	1315.1	1306.9	1194.4	1200
2024-06-01	1315.1	1306.9	1194.4	1200
2024-08-01	1315.1	1306.9	1194.4	1200
2024-04-01	1315.1	1306.9	1194.4	1200
2024-03-01	1315.1	1306.9	1194.4	1200
2024-02-01	1315.1	1306.9	1194.4	1200
2024-01-01	1315.1	1306.9	1194.4	1200
2023-12-01	1315.1	1306.9	1194.4	1200
2023-11-01	1315.1	1306.9	1194.4	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	South African Junior Closed Chess Championships 2022 (U18 Girls)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	10	3	Yes	Analysis
2	2021 Silver Lakes Chess Club Wednesday Rapid	2021-10-27	2021-10-27	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2021 Milos Ristic Open (C)	2021-10-09	2021-10-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2020 Piet Robbertse (D)	2020-01-31	2020-02-02	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	2020 Blou Bul (C)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
7	2019 Wild Card Chess Championship (U16 Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
8	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
9	2019 TC SAJCC Prep Tournament (B)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2019 Centurion Open (D)	2019-09-28	2019-09-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	2019 Jacaranda Round Robin (K)	2019-08-03	2019-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2019 Lubowski Open Tournament (C)	2019-05-11	2019-05-12	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
13	2019 Tshwane Chess Registration Tournament (C)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
14	2018 Etienne Lewis Trials (U14 Girls)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
15	2018 Alekhine Open (D)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	5	Yes	Analysis
16	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
17	2018 Lubowski Open (D)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
18	2018 Crawford Open (D)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	2018 Tshwane Registration Open Chess Tournament (D)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Piet Robbertse
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Maseng, G (Gontlafetse)				Opponent Oosthuizen, L (Ludrick)
2	5	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-08-10	rnd 4	type Standard	result 1
		Opponent Slabbert, ZN (Zander Nicolaas)				Opponent Venter, D (Dian)
3	4	Tournament 2021 Milos Ristic Open				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-09	rnd 4	type Standard	result 1	date 2021-10-27	rnd 2	type Rapid	result 1
		Opponent Pillay, V (Verana)				Opponent Jacobs, L (Lenita)

#	Games	Start				End
1	8	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Piet Robbertse
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Maseng, G (Gontlafetse)				Opponent Oosthuizen, L (Ludrick)
2	5	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-08-10	rnd 4	type Standard	result 1
		Opponent Slabbert, ZN (Zander Nicolaas)				Opponent Venter, D (Dian)
3	4	Tournament 2020 Blou Bul				Tournament 2021 Milos Ristic Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2021-10-09	rnd 1	type Standard	result 1
		Opponent Malan, J (Jane)				Opponent Dalal, D (Dhanika)

#	Games	Start				End
1	2	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 1	type Rapid	result 1	date 2021-10-27	rnd 2	type Rapid	result 1
		Opponent Fokker, CD (Christiaan Dirk)				Opponent Jacobs, L (Lenita)
2	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 5	type Rapid	result 1	date 2021-10-27	rnd 5	type Rapid	result 1
		Opponent Louw, K (Karin)				Opponent Louw, K (Karin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Piet Robbertse
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Maseng, G (Gontlafetse)				Opponent Oosthuizen, L (Ludrick)
2	5	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-08-10	rnd 4	type Standard	result 1
		Opponent Slabbert, ZN (Zander Nicolaas)				Opponent Venter, D (Dian)
3	4	Tournament 2021 Milos Ristic Open				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-09	rnd 4	type Standard	result 1	date 2021-10-27	rnd 2	type Rapid	result 1
		Opponent Pillay, V (Verana)				Opponent Jacobs, L (Lenita)

#	Games	Start				End
1	8	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Piet Robbertse
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Maseng, G (Gontlafetse)				Opponent Oosthuizen, L (Ludrick)
2	5	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-08-10	rnd 4	type Standard	result 1
		Opponent Slabbert, ZN (Zander Nicolaas)				Opponent Venter, D (Dian)
3	4	Tournament 2020 Blou Bul				Tournament 2021 Milos Ristic Open
		date 2020-02-15	rnd 3	type Standard	result 1	date 2021-10-09	rnd 1	type Standard	result 1
		Opponent Malan, J (Jane)				Opponent Dalal, D (Dhanika)

#	Games	Start				End
1	2	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 1	type Rapid	result 1	date 2021-10-27	rnd 2	type Rapid	result 1
		Opponent Fokker, CD (Christiaan Dirk)				Opponent Jacobs, L (Lenita)
2	1	Tournament 2021 Silver Lakes Chess Club Wednesday Rapid				Tournament 2021 Silver Lakes Chess Club Wednesday Rapid
		date 2021-10-27	rnd 5	type Rapid	result 1	date 2021-10-27	rnd 5	type Rapid	result 1
		Opponent Louw, K (Karin)				Opponent Louw, K (Karin)

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	De Souza-Allegria ,M (Minette)	4	2	0	4	2	0	0	0	0	0	0	0
1	De Souza-Allegria ,M (Minette)	4	1231.2	1231.2	4	1229.2	1231.2	0	0	0	0	0	0
2	Jacobs ,L (Lenita)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
2	Jacobs ,L (Lenita)	3	1132	990.3	2	1105.2	707	1	1200	1557	0	0	0
3	Shaw ,A (Amy)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Shaw ,A (Amy)	2	1278.1	1065.6	2	1277.8	1065.6	0	0	0	0	0	0
4	Botha ,R (Riti)	2	1	0	2	1	0	0	0	0	0	0	0
4	Botha ,R (Riti)	2	818.5	818.5	2	821	818.5	0	0	0	0	0	0
5	Van Heerden ,M (Mia)	2	1	0	2	1	0	0	0	0	0	0	0
5	Van Heerden ,M (Mia)	2	1135.5	1135.5	2	1147.9	1135.5	0	0	0	0	0	0
6	Venter ,D (Dian)	2	1	0	2	1	0	0	0	0	0	0	0
6	Venter ,D (Dian)	2	1120.1	1120.1	2	1112.4	1120.1	0	0	0	0	0	0
7	Van Rooyen ,M (Marcel)	2	1	0	1	1	425	1	0	-425	0	0	0
7	Van Rooyen ,M (Marcel)	2	895.8	895.8	1	616.6	1320.8	1	616.6	470.8	0	0	0
8	Dalal ,D (Dhanika)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dalal ,D (Dhanika)	1	1229.1	1654.1	1	1169.2	1654.1	0	0	0	0	0	0
9	Ferreira ,F (Frederik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ferreira ,F (Frederik)	1	1028.4	603.4	1	1029.7	603.4	0	0	0	0	0	0
10	Vermaak ,T (Talita)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vermaak ,T (Talita)	1	1352	927	1	1347.6	927	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

Dvir, J (Jordan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms