Chess South Africa Ratings Database

PLAYER PAGE

Personal

Subke, JJ (Jason James)

Chess SA id

172036708

FIDE id

Date of birth

1972-04-05 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1773.1	1775.1	1803.3	1846.7
Raw rating	1759.2	1759.6	1773.4	1846.7
Weighted rating	1773.1	1775.1	1803.3	1846.7
Weighted performance	1680.6	1685.1	850.2	0
Floor	1393.6	1393.3	1377	1377
K-factor	24	24	24	24
Min/Max rating change allowed	74.8	74.7	73.3	66
Highest rating	1946.5 2018-03-01	1945.3 2018-03-01	1877 2018-04-01	1877 2018-04-01
Highest raw rating	1893.6 2018-04-01	1893.3 2018-04-01	1877 2018-01-01	1877 2018-01-01
Highest weighted rating	1893.6 2018-05-01	1893.3 2018-05-01	1877 2018-04-01	1877 2018-04-01
Highest weighted performance	1946.5 2018-03-01	1945.3 2018-03-01	1741.5 2018-07-01	1692.9 2019-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-0.7	-2.5	0
New rating	1772.5	1774.4	1800.9	1846.7
Analysis
Rating	1773.1	1775.1	1803.3	1846.7
Raw rating	1759.2	1759.6	1773.4	1846.7
Weighted rating	1773.1	1775.1	1803.3
Weighted performance	1680.6	1685.1	850.2
K-factor	24	24	24	24
Floor	1393.6	1393.3	1377	1377
Max/Min rating change allowed	74.8	74.7	73.3	66
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	1759.2	1759.6	1773.4	1846.7
New weighted rating	1772.5	1774.4	1800.9	1846.7
New weighted performance	1680	1684.5	849.7	0
Temp new rating	1772.5	1774.4	1800.9	1846.7
Temp new rating +/-	-0.6	-0.7	-2.5	0
Final new rating +/-	-0.6	-0.7	-2.5	0
New rating	1772.5	1774.4	1800.9	1846.7
New K-factor	24	24	24	24
New floor	1393.6	1393.3	1377	1377

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	38	32	6	0
	16	16	0	0
	21	21	0	0
	12	12	0	0
	6	0	6	0
History	765	610	92	63

Games since
	Main 60	Standard 54		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	185		10		9
Male	177		10		9
Adult	115		5		5
Adult Male	112		5		5
Standard
	RSA		Province		Region
Overall	177		8		7
Male	168		8		7
Adult	112		5		5
Adult Male	108		5		5
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	38	26	68.42	156.6	1605.2	1761.8
Standard	32	21.5	67.19	146.1	1618.2	1764.3
Rapid	6	4.5	75	212.5	1536.1	1748.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	209	146	69.86	168.8	1578.5	1747.3
Standard	145	99.5	68.62	158.3	1597.1	1755.4
Rapid	39	28	71.79	185.3	1512.1	1697.4
Blitz	25	18.5	74	204	1574	1778

Date	Main	Standard	Rapid	Blitz
2025-09-30	1759.2	1759.6	1773.4	1846.7
2025-09-01	1786.4	1786.9	1806	1846.7
2025-08-01	1786.4	1786.9	1806	1846.7
2025-07-01	1786.4	1786.9	1806	1846.7
2025-06-01	1796.6	1799.6	1806	1846.7
2025-05-01	1770.7	1772.4	1806	1846.7
2025-04-01	1770.7	1772.4	1806	1846.7
2025-03-01	1774.6	1777.9	1806	1846.7
2025-02-01	1774.6	1777.9	1806	1846.7
2025-01-01	1774.6	1777.9	1806	1846.7
2024-12-01	1774.6	1777.9	1806	1846.7
2024-11-01	1774.6	1777.9	1806	1846.7
2024-10-01	1774.6	1777.9	1806	1846.7
2024-09-01	1774.6	1777.9	1806	1846.7
2024-08-01	1774.6	1777.9	1806	1846.7
2024-07-01	1774.6	1777.9	1806	1846.7
2024-06-01	1733.3	1733	1806	1846.7
2024-08-01	1733.3	1733	1806	1846.7
2024-04-01	1749.1	1751.7	1806	1846.7
2024-03-01	1749.1	1751.7	1806	1846.7
2024-02-01	1749.1	1751.7	1806	1846.7
2024-01-01	1749.1	1751.7	1806	1846.7
2023-12-01	1749.1	1751.7	1799.6	1845.8
2023-11-01	1749.1	1751.7	1799.6	1845.8

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	2025 Durban CC Second Swiss	2025-07-31	2025-09-18	Standard	Ethekwini (KED)	8	8	5	Yes	Analysis
2	2025 KZN Provincial Trials (Adult)	2025-09-06	2025-09-06	Rapid	Ethekwini (KED)	6	6	4.5	Yes	Analysis
3	2025 Durban Chess Club Championships	2025-04-17	2025-06-12	Standard	Ethekwini (KED)	9	9	6	Yes	Analysis
4	2025 KZN Open (A)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	7	4.5	Yes	Analysis
5	2025 Durban Chess Club Revive Swiss	2025-01-16	2025-03-13	Standard	Ethekwini (KED)	9	8	6	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Durban CC Second Swiss	2025-07-31	2025-09-18	Standard	Ethekwini (KED)	8	8	5	Yes	Analysis
2	2025 KZN Provincial Trials (Adult)	2025-09-06	2025-09-06	Rapid	Ethekwini (KED)	6	6	4.5	Yes	Analysis
3	2025 Durban Chess Club Championships	2025-04-17	2025-06-12	Standard	Ethekwini (KED)	9	9	6	Yes	Analysis
4	2025 KZN Open (A)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	7	4.5	Yes	Analysis
5	2025 Durban Chess Club Revive Swiss	2025-01-16	2025-03-13	Standard	Ethekwini (KED)	9	8	6	Yes	Analysis
6	2024 Durban Chess Club Championships (A)	2024-04-18	2024-06-13	Standard	Ethekwini (KED)	9	9	7	Yes	Analysis
7	2024 Durban Chess Club Revive Swiss	2024-01-18	2024-04-04	Standard	Ethekwini (KED)	9	7	4.5	Yes	Analysis
8	2023 UCC Durban Open (A)	2023-10-28	2023-10-29	Standard	Ethekwini (KED)	6	6	4.5	Yes	Analysis
9	2023 Heritage Day Open (A)	2023-09-23	2023-09-24	Standard	Ethekwini (KED)	6	3	2	Yes	Analysis
10	2023 KZN Open (A)	2023-04-29	2023-04-30	Standard	Ethekwini (KED)	7	7	5.5	Yes	Analysis
11	Durban Chess Clarence Championship 2023 (A)	2023-03-18	2023-03-18	Standard	Ethekwini (KED)	5	5	3	Yes	Analysis
12	2022 Heritage Day Open (A)	2022-09-24	2022-09-25	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
13	2022 KZN Open (A)	2022-04-30	2022-05-01	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
14	Umhlanga Rapid 2021 (A)	2021-12-04	2021-12-04	Rapid	iLembe (KIK)	6	6	3.5	Yes	Analysis
15	2019 Darryl Mhlongo Blitz	2019-10-03	2019-10-03	Blitz	Ethekwini (KED)	8	8	6.5	Yes	Analysis
16	2019 John Blackburn Memorial Swiss	2019-08-01	2019-09-19	Standard	Ethekwini (KED)	7	6	5.5	Yes	Analysis
17	2019 Durban CC Winter Rapid	2019-06-13	2019-07-25	Rapid	Ethekwini (KED)	8	8	7	Yes	Analysis
18	South African Open Chess Championships 2019 (A)	2019-06-15	2019-06-22	Standard	Frances Baard (NCF)	9	9	5.5	Yes	Analysis
19	South African Open Chess Championships 2019 (Rapid)	2019-06-17	2019-06-17	Rapid	Frances Baard (NCF)	5	5	4	Yes	Analysis
20	South African Open Chess Championships 2019 (Blitz)	2019-06-19	2019-06-19	Blitz	Frances Baard (NCF)	9	9	5	Yes	Analysis
21	2019 Durban Chess Club Championship (A)	2019-03-14	2019-05-16	Standard	Ethekwini (KED)	9	8	6	Yes	Analysis
22	2019 KZN Open (A)	2019-04-27	2019-04-28	Standard	Ethekwini (KED)	6	6	4.5	Yes	Analysis
23	2019 Ethekwini Open (A)	2019-03-30	2019-03-31	Standard	Ethekwini (KED)	6	5	3.5	Yes	Analysis
24	2019 Fischer Blitz	2019-03-07	2019-03-07	Blitz	Ethekwini (KED)	8	8	7	Yes	Analysis
25	2019 Moss Kolnik Memorial Swiss	2019-01-10	2019-02-28	Standard	Ethekwini (KED)	8	8	7.5	Yes	Analysis
26	2019 Ethekwini Club Challenge	2019-02-24	2019-02-24	Rapid	Ethekwini (KED)	6	6	4	Yes	Analysis
27	2018 John Blackburn Memorial	2018-08-02	2018-09-27	Standard	Ethekwini (KED)	7	7	4	Yes	Analysis
28	2018 Durban Chess Club Rapid	2018-06-14	2018-07-26	Rapid	Ethekwini (KED)	8	8	5	Yes	Analysis
29	2018 Durban Chess Club (A)	2018-03-15	2018-05-24	Standard	Ethekwini (KED)	9	6	3.5	Yes	Analysis
30	2018 KZN Open (A)	2018-04-27	2018-04-30	Standard	Ethekwini (KED)	7	0	0	No	Analysis
31	Umhlanga Invitational 2018	2018-03-07	2018-03-11	Standard	Ethekwini (KED)	9	9	3.5	Yes	Analysis

#	Games	Start				End
1	19	Tournament 2024 Durban Chess Club Revive Swiss				Tournament 2025 Durban Chess Club Revive Swiss
		date 2024-02-29	rnd 6	type Standard	result 0.5	date 2025-03-06	rnd 8	type Standard	result 1
		Opponent Nxumalo, Q (Qiniso)				Opponent Puran, M (Madhav)
2	16	Tournament 2019 Ethekwini Open				Tournament South African Open Chess Championships 2019
		date 2019-03-31	rnd 5	type Standard	result 0.5	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Mthembu, P (Prince)				Opponent Phillips, NJ (Nigel)
3	11	Tournament 2019 Fischer Blitz				Tournament 2019 Ethekwini Open
		date 2019-03-07	rnd 3	type Blitz	result 1	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Rooplal, J (Jasveer)				Opponent Blomeyer, C (Chad)

#	Games	Start				End
1	19	Tournament 2024 Durban Chess Club Revive Swiss				Tournament 2025 Durban Chess Club Revive Swiss
		date 2024-02-29	rnd 6	type Standard	result 0.5	date 2025-03-06	rnd 8	type Standard	result 1
		Opponent Nxumalo, Q (Qiniso)				Opponent Puran, M (Madhav)
2	14	Tournament 2019 Ethekwini Open				Tournament South African Open Chess Championships 2019
		date 2019-03-31	rnd 5	type Standard	result 0.5	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Mthembu, P (Prince)				Opponent Phillips, NJ (Nigel)
3	13	Tournament 2019 Moss Kolnik Memorial Swiss				Tournament 2019 Ethekwini Open
		date 2019-01-10	rnd 1	type Standard	result 1	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Gopaulsingh, N (Nadean)				Opponent Blomeyer, C (Chad)

#	Games	Start				End
1	8	Tournament South African Open Chess Championships 2019				Tournament 2019 Durban CC Winter Rapid
		date 2019-06-17	rnd 3	type Rapid	result 1	date 2019-07-25	rnd 7	type Rapid	result 1
		Opponent Mothata, O (Omaatla)				Opponent Danisa, CT (Cyril)
2	5	Tournament 2019 Ethekwini Club Challenge				Tournament South African Open Chess Championships 2019
		date 2019-02-24	rnd 5	type Rapid	result 1	date 2019-06-17	rnd 1	type Rapid	result 1
		Opponent Khumalo, L (Lindokuhle)				Opponent Jacobs, DE (Darryl)
3	4	Tournament 2025 KZN Provincial Trials				Tournament 2025 KZN Provincial Trials
		date 2025-09-06	rnd 3	type Rapid	result 0.5	date 2025-09-06	rnd 6	type Rapid	result 1
		Opponent Kanwal, T (Tejasvi)				Opponent De Kock, K (Kaneesha)

#	Games	Start				End
1	6	Tournament 2019 Fischer Blitz				Tournament 2019 Fischer Blitz
		date 2019-03-07	rnd 3	type Blitz	result 1	date 2019-03-07	rnd 8	type Blitz	result 1
		Opponent Rooplal, J (Jasveer)				Opponent Mtoboyi, S (Sipho)
2	4	Tournament 2019 Darryl Mhlongo Blitz				Tournament 2019 Darryl Mhlongo Blitz
		date 2019-10-03	rnd 5	type Blitz	result 1	date 2019-10-03	rnd 8	type Blitz	result 1
		Opponent Duma, S (Sibonelo)				Opponent Zuma, M (Mbusiswa)
3	3	Tournament 2019 Darryl Mhlongo Blitz				Tournament 2019 Darryl Mhlongo Blitz
		date 2019-10-03	rnd 1	type Blitz	result 1	date 2019-10-03	rnd 3	type Blitz	result 1
		Opponent Kumarasamy, D (Daaruk)				Opponent Soojay, J (Jorah)

#	Games	Start				End
1	6	Tournament 2019 Fischer Blitz				Tournament 2019 Fischer Blitz
		date 2019-03-07	rnd 3	type Blitz	result 1	date 2019-03-07	rnd 8	type Blitz	result 1
		Opponent Rooplal, J (Jasveer)				Opponent Mtoboyi, S (Sipho)
2	5	Tournament 2019 Durban CC Winter Rapid				Tournament 2019 Durban CC Winter Rapid
		date 2019-07-11	rnd 3	type Rapid	result 1	date 2019-07-25	rnd 7	type Rapid	result 1
		Opponent Zuma, M (Mbusiswa)				Opponent Danisa, CT (Cyril)
3	5	Tournament 2019 Moss Kolnik Memorial Swiss				Tournament 2019 Moss Kolnik Memorial Swiss
		date 2019-01-10	rnd 1	type Standard	result 1	date 2019-02-07	rnd 5	type Standard	result 1
		Opponent Gopaulsingh, N (Nadean)				Opponent Mgaga, SB (Bongani)

#	Games	Start				End
1	5	Tournament 2019 John Blackburn Memorial Swiss				Tournament 2022 KZN Open
		date 2019-09-19	rnd 7	type Standard	result 1	date 2022-05-01	rnd 4	type Standard	result 1
		Opponent Soojay, J (Jorah)				Opponent Mthembu, P (Prince)
2	5	Tournament 2019 Moss Kolnik Memorial Swiss				Tournament 2019 Moss Kolnik Memorial Swiss
		date 2019-01-10	rnd 1	type Standard	result 1	date 2019-02-07	rnd 5	type Standard	result 1
		Opponent Gopaulsingh, N (Nadean)				Opponent Mgaga, SB (Bongani)
3	4	Tournament 2024 Durban Chess Club Championships				Tournament 2024 Durban Chess Club Championships
		date 2024-04-18	rnd 1	type Standard	result 1	date 2024-05-09	rnd 4	type Standard	result 1
		Opponent Paraskevopoulos, AL (Aresti)				Opponent Mate, B (Buhle)

#	Games	Start				End
1	8	Tournament South African Open Chess Championships 2019				Tournament 2019 Durban CC Winter Rapid
		date 2019-06-17	rnd 3	type Rapid	result 1	date 2019-07-25	rnd 7	type Rapid	result 1
		Opponent Mothata, O (Omaatla)				Opponent Danisa, CT (Cyril)
2	3	Tournament 2025 KZN Provincial Trials				Tournament 2025 KZN Provincial Trials
		date 2025-09-06	rnd 4	type Rapid	result 1	date 2025-09-06	rnd 6	type Rapid	result 1
		Opponent Mhlongo, D (David)				Opponent De Kock, K (Kaneesha)
3	3	Tournament 2019 Durban CC Winter Rapid				Tournament South African Open Chess Championships 2019
		date 2019-06-13	rnd 1	type Rapid	result 1	date 2019-06-17	rnd 1	type Rapid	result 1
		Opponent Mkhaliphi, B (Bandile)				Opponent Jacobs, DE (Darryl)

#	Games	Start				End
1	6	Tournament 2019 Fischer Blitz				Tournament 2019 Fischer Blitz
		date 2019-03-07	rnd 3	type Blitz	result 1	date 2019-03-07	rnd 8	type Blitz	result 1
		Opponent Rooplal, J (Jasveer)				Opponent Mtoboyi, S (Sipho)
2	3	Tournament 2019 Darryl Mhlongo Blitz				Tournament 2019 Darryl Mhlongo Blitz
		date 2019-10-03	rnd 1	type Blitz	result 1	date 2019-10-03	rnd 3	type Blitz	result 1
		Opponent Kumarasamy, D (Daaruk)				Opponent Soojay, J (Jorah)
3	3	Tournament South African Open Chess Championships 2019				Tournament South African Open Chess Championships 2019
		date 2019-06-19	rnd 4	type Blitz	result 1	date 2019-06-19	rnd 6	type Blitz	result 1
		Opponent Mithi, D (Dumiso)				Opponent Schutte, R (Rico)

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	Danisa ,CT (Cyril Thanda)	10	6	85	8	5	106.2	2	1	0	0	0	0
1	Danisa ,CT (Cyril Thanda)	10	1718.3	1803.3	8	1704.1	1824.6	2	1842	1718.3	0	0	0
2	Msimango ,S (Senzo)	7	4.5	121.4	7	4.5	121.4	0	0	0	0	0	0
2	Msimango ,S (Senzo)	7	1565.5	1686.9	7	1593.9	1686.9	0	0	0	0	0	0
3	Soojay ,J (Jorah)	7	4.5	121.4	4	1.5	-106.2	2	2	425	1	1	425
3	Soojay ,J (Jorah)	7	1713.7	1835.2	4	1813.6	1607.5	2	1321.5	2138.7	1	1220.4	2138.7
4	Zuma ,M (Mbusiswa)	7	6	303.6	2	2	425	4	3	212.5	1	1	425
4	Zuma ,M (Mbusiswa)	7	1497.9	1801.5	2	1492.7	1922.9	4	1541.6	1710.4	1	1499.7	1922.9
5	Puran ,A (Ahdir)	6	5.5	354.2	4	3.5	318.8	2	2	425	0	0	0
5	Puran ,A (Ahdir)	6	1649.6	2003.7	4	1622.2	1968.3	2	1672.7	2074.6	0	0	0
6	Zwakala ,N (Ntando)	5	0	-425	3	0	-425	2	0	-425	0	0	0
6	Zwakala ,N (Ntando)	5	2050.2	1625.2	3	2028.1	1625.2	2	2062.4	1625.2	0	0	0
7	Rooplal ,D (Desmond)	5	2.5	0	3	1	-141.7	1	0.5	0	1	1	425
7	Rooplal ,D (Desmond)	5	1663.8	1663.8	3	1695.8	1522.2	1	1682.3	1663.8	1	1751.5	2088.8
8	Millard ,C (Chad)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
8	Millard ,C (Chad)	4	1578.5	1791	4	1578.4	1791	0	0	0	0	0	0
9	Mwale ,J (Joseph)	4	0.5	-318.8	2	0.5	-212.5	1	0	-425	1	0	-425
9	Mwale ,J (Joseph)	4	2183.5	1864.7	2	2200.9	1971	1	2147.2	1758.5	1	2240.5	1758.5
10	Nzama ,C (Cedric)	4	4	425	2	2	425	0	0	0	2	2	425
10	Nzama ,C (Cedric)	4	1435.4	1860.4	2	1451.4	1860.4	0	0	0	2	1349.4	1860.4

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Subke, JJ (Jason James)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms