Chess South Africa Ratings Database

PLAYER PAGE

Personal

Doubell, J (Jared)

Chess SA id

1040146331

FIDE id

Date of birth

2004-10-26 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1438.6	1430.8	1196.8	1225.2
Raw rating	1438.6	1430.8	1196.8	1225.2
Weighted rating	1394.4	1389.7	1196.8	1225.2
Weighted performance	1393.3	1386.1	0	0
Floor	938.6	930.8	700	725.2
K-factor	32	32	36	36
Min/Max rating change allowed	118	119.3	166.6	160
Highest rating	1438.6 2025-09-30	1447.5 2024-06-01	1203.8 2022-08-01	1292.7 2022-08-01
Highest raw rating	1438.6 2025-09-30	1430.8 2025-09-30	1200 2019-12-01	1225.2 2024-03-01
Highest weighted rating	1387.2 2025-09-30	1382.7 2025-09-30	1200 2018-10-01	1225.2 2024-08-01
Highest weighted performance	1437.2 2025-06-01	1447.5 2024-06-01	1203.8 2022-08-01	1292.7 2022-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1438.6	1430.8	1196.8	1225.2
Analysis
Rating	1438.6	1430.8	1196.8	1225.2
Raw rating	1438.6	1430.8	1196.8	1225.2
Weighted rating	1394.4	1389.7	1196.8
Weighted performance	1393.3	1386.1	0
K-factor	32	32	36	36
Floor	938.6	930.8	700	725.2
Max/Min rating change allowed	118	119.3	166.6	160
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	1438.6	1430.8	1196.8	1225.2
New weighted rating	1401	1395.9	1196.8	1225.2
New weighted performance	1384.7	1377.6	0	0
Temp new rating	1438.6	1430.8	1196.8	1225.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1438.6	1430.8	1196.8	1225.2
New K-factor	32	32	36	36
New floor	938.6	930.8	700	725.2

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	31	31	0	0
	33	33	0	0
	5	5	0	0
	12	0	5	7
	0	0	0	0
History	81	69	5	7

Games since
	Main 64	Standard 64		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1794		215		72
Male	1491		184		63
Adult	491		39		12
Adult Male	451		37		10
Standard
	RSA		Province		Region
Overall	1773		227		77
Male	1468		192		65
Adult	453		37		11
Adult Male	418		35		9
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	31	18.5	59.68	82.3	1381.4	1463.6
Standard	31	18.5	59.68	82.3	1381.4	1463.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	81	47.5	58.64	73.5	1340.3	1413.7
Standard	69	40	57.97	67.8	1357.4	1425.2
Rapid	5	3	60	85	1217.2	1302.2
Blitz	7	4.5	64.29	121.4	1259.3	1380.7

Date	Main	Standard	Rapid	Blitz
2025-11-01	1438.6	1430.8	1196.8	1225.2
2025-09-30	1438.6	1430.8	1196.8	1225.2
2025-09-01	1437.1	1426	1196.8	1225.2
2025-08-01	1437.2	1423.7	1196.8	1225.2
2025-07-01	1437.2	1423.7	1196.8	1225.2
2025-06-01	1437.2	1423.7	1196.8	1225.2
2025-05-01	1402.3	1396.7	1196.8	1225.2
2025-04-01	1397.4	1392.9	1196.8	1225.2
2025-03-01	1356.8	1358.7	1196.8	1225.2
2025-02-01	1347.3	1353	1196.8	1225.2
2025-01-01	1347.3	1353	1196.8	1225.2
2024-12-01	1403	1405.5	1196.8	1225.2
2024-11-01	1403	1405.5	1196.8	1225.2
2024-10-01	1379.4	1376.3	1196.8	1225.2
2024-09-01	1379.4	1376.3	1196.8	1225.2
2024-08-01	1379.4	1376.3	1196.8	1225.2
2024-07-01	1379.4	1376.3	1196.8	1225.2
2024-09-01	1322.4	1333.8	1196.8	1225.2
2024-05-01	1322.4	1333.8	1196.8	1225.2
2024-04-01	1239.5	1235.9	1196.8	1225.2
2024-03-01	1221.4	1210	1196.8	1225.2
2024-02-01	1221.4	1210	1196.8	1225.2
2024-01-01	1221.4	1210	1196.8	1225.2
2023-12-01	1221.4	1210	1196.8	1225.2

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	EC Closed 2025 (Open)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
2	EC Students League 2025 (Open)	2025-08-23	2025-08-24	Standard	Sarah Baartman (ESB)	7	5	3	Yes	Analysis
3	SBDCA Closed 2025 (Open)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	SBDCU Trial 9 2025 (U20+Open)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
5	Rhodes Open 2025 (A)	2025-03-21	2025-03-22	Standard	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis
6	SBDCU Trials 5 Makhanda Leg 2025 (U20+Open)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (Open)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
2	EC Students League 2025 (Open)	2025-08-23	2025-08-24	Standard	Sarah Baartman (ESB)	7	5	3	Yes	Analysis
3	SBDCA Closed 2025 (Open)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	SBDCU Trial 9 2025 (U20+Open)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
5	Rhodes Open 2025 (A)	2025-03-21	2025-03-22	Standard	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis
6	SBDCU Trials 5 Makhanda Leg 2025 (U20+Open)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
7	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	3	Yes	Analysis
8	EC Students Team League 2024 (A)	2024-09-14	2024-10-05	Standard	Amathole (EAL)	7	7	4.5	Yes	Analysis
9	SBDCU Trial 3 2024 (Open)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
10	UFH Open 2024 (B)	2024-04-13	2024-04-14	Standard	Amathole (EAL)	7	7	5	Yes	Analysis
11	SBDCU Trial 2 2024 (Open)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
12	Rhodes Chess Club Invitational 2023 (A)	2023-07-22	2023-07-22	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
13	2022 Westering Tournament (Rapid)	2022-08-27	2022-08-27	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
14	2022 Westering Tournament (Blitz)	2022-08-27	2022-08-27	Blitz	Nelson Mandela Bay (ENM)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament SBDCU Trial 2 2024				Tournament UFH Open 2024
		date 2024-03-23	rnd 3	type Standard	result 0.5	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Manana, L (Lubusiso)				Opponent George, A (Alaina)
2	4	Tournament SBDCA Closed 2025				Tournament EC Students League 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-23	rnd 1	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Mabitle, O (Osego)
3	4	Tournament EC Students Team League 2024				Tournament EC Students Team League 2024
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Tshona, S (Sinegugu)				Opponent Mtetwa, S (Simphiwe)

#	Games	Start				End
1	5	Tournament SBDCU Trial 2 2024				Tournament UFH Open 2024
		date 2024-03-23	rnd 3	type Standard	result 0.5	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Manana, L (Lubusiso)				Opponent George, A (Alaina)
2	4	Tournament SBDCA Closed 2025				Tournament EC Students League 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-23	rnd 1	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Mabitle, O (Osego)
3	4	Tournament EC Students Team League 2024				Tournament EC Students Team League 2024
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Tshona, S (Sinegugu)				Opponent Mtetwa, S (Simphiwe)

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Munir, A (Ainy)				Opponent Munir, A (Ainy)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Cerfonteyn, Z (Zeenat)				Opponent Cerfonteyn, Z (Zeenat)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 1	type Rapid	result 1	date 2022-08-27	rnd 1	type Rapid	result 1
		Opponent Van Der Bank, Z (Zak)				Opponent Van Der Bank, Z (Zak)

#	Games	Start				End
1	3	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Blitz	result 1	date 2022-08-27	rnd 7	type Blitz	result 0.5
		Opponent Munir, A (Ainy)				Opponent Kapp, J (Jacinto)
2	2	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 1	type Blitz	result 1	date 2022-08-27	rnd 2	type Blitz	result 1
		Opponent Oliver, AL (Allister)				Opponent Jenecker, J (Jayden)

#	Games	Start				End
1	4	Tournament SBDCA Closed 2025				Tournament EC Students League 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-23	rnd 1	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Mabitle, O (Osego)
2	4	Tournament SBDCU Trial 2 2024				Tournament UFH Open 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Ralebofu, K (Kemisetso)				Opponent George, A (Alaina)
3	3	Tournament UFH Open 2024				Tournament UFH Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-14	rnd 6	type Standard	result 1
		Opponent Henene, S (Sanele)				Opponent Shokane, N (Noel)

#	Games	Start				End
1	4	Tournament SBDCA Closed 2025				Tournament EC Students League 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-08-23	rnd 1	type Standard	result 1
		Opponent Claasen, C (Cleavan)				Opponent Mabitle, O (Osego)
2	4	Tournament SBDCU Trial 2 2024				Tournament UFH Open 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Ralebofu, K (Kemisetso)				Opponent George, A (Alaina)
3	3	Tournament UFH Open 2024				Tournament UFH Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-14	rnd 6	type Standard	result 1
		Opponent Henene, S (Sanele)				Opponent Shokane, N (Noel)

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Munir, A (Ainy)				Opponent Munir, A (Ainy)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Cerfonteyn, Z (Zeenat)				Opponent Cerfonteyn, Z (Zeenat)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 1	type Rapid	result 1	date 2022-08-27	rnd 1	type Rapid	result 1
		Opponent Van Der Bank, Z (Zak)				Opponent Van Der Bank, Z (Zak)

#	Games	Start				End
1	2	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Blitz	result 1	date 2022-08-27	rnd 6	type Blitz	result 1
		Opponent Munir, A (Ainy)				Opponent Blandy, L (Levi)
2	2	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 1	type Blitz	result 1	date 2022-08-27	rnd 2	type Blitz	result 1
		Opponent Oliver, AL (Allister)				Opponent Jenecker, J (Jayden)

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	Tshozi ,I (Inga)	4	2	0	4	2	0	0	0	0	0	0	0
1	Tshozi ,I (Inga)	4	1349.8	1349.8	4	1350.5	1349.8	0	0	0	0	0	0
2	Solomon ,S (Simamkele)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Solomon ,S (Simamkele)	2	1438.9	1013.9	2	1453.1	1013.9	0	0	0	0	0	0
3	Mtetwa ,S (Simphiwe)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mtetwa ,S (Simphiwe)	2	1214.3	1639.3	2	1215.8	1639.3	0	0	0	0	0	0
4	Mqadi ,L (Lindokuhle)	2	2	425	2	2	425	0	0	0	0	0	0
4	Mqadi ,L (Lindokuhle)	2	1523.4	1948.4	2	1505.8	1948.4	0	0	0	0	0	0
5	Mngoma ,T (Thubelihle)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mngoma ,T (Thubelihle)	2	1199.8	1624.8	2	1199.8	1624.8	0	0	0	0	0	0
6	Madlala ,N (Nonhle)	2	2	425	2	2	425	0	0	0	0	0	0
6	Madlala ,N (Nonhle)	2	1281.8	1706.8	2	1280.2	1706.8	0	0	0	0	0	0
7	Manana ,L (Lubusiso)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Manana ,L (Lubusiso)	2	1245.3	1457.8	2	1200.3	1457.8	0	0	0	0	0	0
8	Van Der Bank ,Z (Zak)	2	1	0	0	0	0	1	1	425	1	0	-425
8	Van Der Bank ,Z (Zak)	2	1167.5	1167.5	0	0	0	1	860.4	1592.5	1	940.8	742.5
9	Munir ,A (Ainy)	2	2	425	0	0	0	1	1	425	1	1	425
9	Munir ,A (Ainy)	2	1172.9	1597.9	0	0	0	1	1200	1597.9	1	1200	1597.9
10	Jenecker ,J (Jayden)	2	1	0	0	0	0	1	0	-425	1	1	425
10	Jenecker ,J (Jayden)	2	1333.2	1333.2	0	0	0	1	1092.4	908.2	1	1200	1758.2

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Doubell, J (Jared)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms