Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koorbanally, J (James)

Chess SA id

1070097632

FIDE id

Date of birth

2007-07-19 (U20)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1343.2	1358.1	1204.8	1244
Raw rating	1343.2	1358.1	1204.8	1244
Weighted rating	1343.2	1358.1	1204.8	1244
Weighted performance	847.5	782.8	0	0
Floor	876.9	884.7	741.2	744
K-factor	36	36	36	36
Min/Max rating change allowed	135.2	132.4	164.7	155.7
Highest rating	1376.9 2022-06-01	1384.7 2022-06-01	1358.6 2022-01-01	1334.5 2020-01-01
Highest raw rating	1376.9 2022-06-01	1384.7 2022-06-01	1241.2 2022-02-01	1244 2024-02-01
Highest weighted rating	1376.9 2024-01-01	1384.7 2025-02-01	1241.2 2023-01-01	1244 2024-02-01
Highest weighted performance	1282.7 2020-02-01	1299.7 2020-02-01	1358.6 2022-01-01	1334.5 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1343.2	1358.1	1204.8	1244
Analysis
Rating	1343.2	1358.1	1204.8	1244
Raw rating	1343.2	1358.1	1204.8	1244
Weighted rating	1343.2	1358.1	1204.8
Weighted performance	847.5	782.8	0
K-factor	36	36	36	36
Floor	876.9	884.7	741.2	744
Max/Min rating change allowed	135.2	132.4	164.7	155.7
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	1343.2	1358.1	1204.8	1244
New weighted rating	1343.2	1358.1	1204.8	1244
New weighted performance	847	782.3	0	0
Temp new rating	1343.2	1358.1	1204.8	1244
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1343.2	1358.1	1204.8	1244
New K-factor	36	36	36	36
New floor	876.9	884.7	741.2	744

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	11	5	6	0
	18	12	6	0
	0	0	0	0
History	109	86	12	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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	109	65.5	60.09	85.8	1194.2	1280
Standard	86	54	62.79	108.7	1168.4	1277.1
Rapid	12	6	50	0	1286.4	1286.4
Blitz	11	5.5	50	0	1295.4	1295.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1343.2	1358.1	1204.8	1244
2025-09-01	1343.2	1358.1	1204.8	1244
2025-08-01	1343.2	1358.1	1204.8	1244
2025-07-01	1343.2	1358.1	1204.8	1244
2025-06-01	1343.2	1358.1	1204.8	1244
2025-05-01	1343.2	1358.1	1204.8	1244
2025-04-01	1343.2	1358.1	1204.8	1244
2025-03-01	1343.2	1358.1	1204.8	1244
2025-02-01	1343.2	1358.1	1204.8	1244
2025-01-01	1343.2	1358.1	1204.8	1244
2024-12-01	1343.2	1358.1	1204.8	1244
2024-11-01	1343.2	1358.1	1204.8	1244
2024-10-01	1343.2	1358.1	1204.8	1244
2024-09-01	1343.2	1358.1	1204.8	1244
2024-08-01	1343.2	1358.1	1204.8	1244
2024-07-01	1343.2	1358.1	1204.8	1244
2024-06-01	1343.2	1358.1	1204.8	1244
2024-08-01	1343.2	1358.1	1204.8	1244
2024-04-01	1343.2	1358.1	1204.8	1244
2024-03-01	1343.2	1358.1	1204.8	1244
2024-02-01	1343.2	1358.1	1204.8	1244
2024-01-01	1343.2	1358.1	1204.8	1244
2023-12-01	1343.2	1358.1	1204.8	1244
2023-11-01	1343.2	1358.1	1204.8	1244

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	Durban Chess Summer Championship 2023 (B)	2023-03-04	2023-03-04	Standard	Ethekwini (KED)	5	5	3.5	Yes	Analysis
2	2023 La Lucia Rapid (A)	2023-01-21	2023-01-21	Rapid	Ethekwini (KED)	6	6	2	Yes	Analysis
3	2022 Heritage Day Open (B)	2022-09-24	2022-09-25	Standard	Ethekwini (KED)	6	6	3	Yes	Analysis
4	2022 KZN Open (B)	2022-04-30	2022-05-01	Standard	Ethekwini (KED)	6	6	5	Yes	Analysis
5	2022 Umhlanga Rapid (B)	2022-01-29	2022-01-29	Rapid	Ethekwini (KED)	6	6	4	Yes	Analysis
6	2020 ECA Youth Trials (U14)	2020-02-22	2020-02-23	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
7	2020 Chess & Pizza January Blitz	2020-01-26	2020-01-26	Blitz	Ethekwini (KED)	11	11	5.5	Yes	Analysis
8	2019 South African Junior Team Championships (U14A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
9	2019 Heritage Open (B)	2019-10-05	2019-10-06	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
10	2019 Ethekwini 3rd Youth Trials (U14)	2019-07-20	2019-07-21	Standard	Ethekwini (KED)	6	5	3	Yes	Analysis
11	2019 KZN Open (B)	2019-04-27	2019-04-28	Standard	Ethekwini (KED)	6	5	2	Yes	Analysis
12	2019 Ethekwini Youth Trials 2nd (U14)	2019-04-13	2019-04-14	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
13	2019 Ethekwini Youth Trials (U14)	2019-03-09	2019-03-10	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
14	2019 Ethekwini Open (B)	2019-03-30	2019-03-31	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
15	2019 JR Mthembu Memorial Swiss (Primary School)	2019-02-16	2019-02-17	Standard	Ethekwini (KED)	5	5	3	Yes	Analysis
16	2018 Ethekwini Youth Trials 2 (U12)	2018-05-19	2018-05-20	Standard	Ethekwini (KED)	6	5	3	Yes	Analysis
17	2018 Ethekwini Open (B)	2018-03-24	2018-03-25	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
18	2018 Ethekwini Youth Trials (U12)	2018-02-24	2018-02-25	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2022 KZN Open				Tournament 2022 Heritage Day Open
		date 2022-05-01	rnd 4	type Standard	result 1	date 2022-09-24	rnd 3	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Masiteng, N (Nkosikhona)
2	4	Tournament 2020 ECA Youth Trials				Tournament 2022 Umhlanga Rapid
		date 2020-02-23	rnd 5	type Standard	result 0.5	date 2022-01-29	rnd 2	type Rapid	result 1
		Opponent Mbatha, A (Asanda)				Opponent Marks, G (Gal)
3	4	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 ECA Youth Trials
		date 2020-01-26	rnd 11	type Blitz	result 0.5	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Budhram, C (Cadence)				Opponent Jeenarain, R (Riya)

#	Games	Start				End
1	6	Tournament 2022 KZN Open				Tournament 2022 Heritage Day Open
		date 2022-05-01	rnd 4	type Standard	result 1	date 2022-09-24	rnd 3	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Masiteng, N (Nkosikhona)
2	4	Tournament 2020 ECA Youth Trials				Tournament 2022 KZN Open
		date 2020-02-23	rnd 5	type Standard	result 0.5	date 2022-04-30	rnd 2	type Standard	result 1
		Opponent Mbatha, A (Asanda)				Opponent Dlamini, K (Khethelo)
3	4	Tournament 2019 South African Junior Team Championships				Tournament 2020 ECA Youth Trials
		date 2020-01-08	rnd 7	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Dube, O (Olwethu)				Opponent Jeenarain, R (Riya)

#	Games	Start				End
1	2	Tournament 2022 Umhlanga Rapid				Tournament 2022 Umhlanga Rapid
		date 2022-01-29	rnd 1	type Rapid	result 1	date 2022-01-29	rnd 2	type Rapid	result 1
		Opponent Khambule, A (Ayabonga)				Opponent Marks, G (Gal)
2	1	Tournament 2023 La Lucia Rapid				Tournament 2023 La Lucia Rapid
		date 2023-01-21	rnd 4	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Makaula, V (Vumankosi)				Opponent Makaula, V (Vumankosi)
3	1	Tournament 2023 La Lucia Rapid				Tournament 2023 La Lucia Rapid
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 2	type Rapid	result 1
		Opponent Siwela, M (Mnqobi)				Opponent Siwela, M (Mnqobi)

#	Games	Start				End
1	4	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 3	type Blitz	result 1	date 2020-01-26	rnd 6	type Blitz	result 1
		Opponent Kunjbissoon, M (Mihir)				Opponent Khumalo, L (Lindokuhle)
2	1	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 11	type Blitz	result 0.5	date 2020-01-26	rnd 11	type Blitz	result 0.5
		Opponent Budhram, C (Cadence)				Opponent Budhram, C (Cadence)
3	1	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 9	type Blitz	result 1	date 2020-01-26	rnd 9	type Blitz	result 1
		Opponent Jugree, A (Arav)				Opponent Jugree, A (Arav)

#	Games	Start				End
1	6	Tournament 2022 KZN Open				Tournament 2022 Heritage Day Open
		date 2022-05-01	rnd 4	type Standard	result 1	date 2022-09-24	rnd 3	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Masiteng, N (Nkosikhona)
2	4	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 3	type Blitz	result 1	date 2020-01-26	rnd 6	type Blitz	result 1
		Opponent Kunjbissoon, M (Mihir)				Opponent Khumalo, L (Lindokuhle)
3	4	Tournament 2018 Ethekwini Youth Trials				Tournament 2018 Ethekwini Youth Trials
		date 2018-02-24	rnd 2	type Standard	result 1	date 2018-02-25	rnd 5	type Standard	result 1
		Opponent Pillay, T (Tiyuran)				Opponent Ballim, Y (Yahya)

#	Games	Start				End
1	6	Tournament 2022 KZN Open				Tournament 2022 Heritage Day Open
		date 2022-05-01	rnd 4	type Standard	result 1	date 2022-09-24	rnd 3	type Standard	result 1
		Opponent Subramoney, R (Riaan)				Opponent Masiteng, N (Nkosikhona)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2020 ECA Youth Trials
		date 2020-01-08	rnd 7	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Dube, O (Olwethu)				Opponent Jeenarain, R (Riya)
3	4	Tournament 2018 Ethekwini Youth Trials				Tournament 2018 Ethekwini Youth Trials
		date 2018-02-24	rnd 2	type Standard	result 1	date 2018-02-25	rnd 5	type Standard	result 1
		Opponent Pillay, T (Tiyuran)				Opponent Ballim, Y (Yahya)

#	Games	Start				End
1	2	Tournament 2022 Umhlanga Rapid				Tournament 2022 Umhlanga Rapid
		date 2022-01-29	rnd 1	type Rapid	result 1	date 2022-01-29	rnd 2	type Rapid	result 1
		Opponent Khambule, A (Ayabonga)				Opponent Marks, G (Gal)
2	1	Tournament 2023 La Lucia Rapid				Tournament 2023 La Lucia Rapid
		date 2023-01-21	rnd 4	type Rapid	result 1	date 2023-01-21	rnd 4	type Rapid	result 1
		Opponent Makaula, V (Vumankosi)				Opponent Makaula, V (Vumankosi)
3	1	Tournament 2023 La Lucia Rapid				Tournament 2023 La Lucia Rapid
		date 2023-01-21	rnd 2	type Rapid	result 1	date 2023-01-21	rnd 2	type Rapid	result 1
		Opponent Siwela, M (Mnqobi)				Opponent Siwela, M (Mnqobi)

#	Games	Start				End
1	4	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 3	type Blitz	result 1	date 2020-01-26	rnd 6	type Blitz	result 1
		Opponent Kunjbissoon, M (Mihir)				Opponent Khumalo, L (Lindokuhle)
2	1	Tournament 2020 Chess & Pizza January Blitz				Tournament 2020 Chess & Pizza January Blitz
		date 2020-01-26	rnd 9	type Blitz	result 1	date 2020-01-26	rnd 9	type Blitz	result 1
		Opponent Jugree, A (Arav)				Opponent Jugree, A (Arav)

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	Ballim ,Y (Yahya)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Ballim ,Y (Yahya)	3	876.4	876.4	3	893.7	876.4	0	0	0	0	0	0
2	Moodley ,B (Bhairava)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Moodley ,B (Bhairava)	3	1250.6	1250.6	3	1248.9	1250.6	0	0	0	0	0	0
3	Radhakrishna ,S (Shohiel)	2	2	425	2	2	425	0	0	0	0	0	0
3	Radhakrishna ,S (Shohiel)	2	1188.2	1613.2	2	1183.8	1613.2	0	0	0	0	0	0
4	Narainsamy ,T (Taygen)	2	2	425	2	2	425	0	0	0	0	0	0
4	Narainsamy ,T (Taygen)	2	1158.9	1583.9	2	1190.2	1583.9	0	0	0	0	0	0
5	Daniel ,I (Isaiah)	2	1	0	2	1	0	0	0	0	0	0	0
5	Daniel ,I (Isaiah)	2	1400.1	1400.1	2	1390.6	1400.1	0	0	0	0	0	0
6	Soojay ,J (Jorah)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Soojay ,J (Jorah)	2	1418.2	993.2	2	1417.9	993.2	0	0	0	0	0	0
7	Ganyaza ,T (Thandolwethu)	2	1	0	2	1	0	0	0	0	0	0	0
7	Ganyaza ,T (Thandolwethu)	2	1193.3	1193.3	2	1192.2	1193.3	0	0	0	0	0	0
8	Taljaard ,C (Connor)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Taljaard ,C (Connor)	2	1274.8	849.8	2	1280.1	849.8	0	0	0	0	0	0
9	Subramoney ,R (Riaan)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Subramoney ,R (Riaan)	2	1198.4	1198.4	1	1145.9	1623.4	1	1156.8	773.4	0	0	0
10	Makaula ,L (Lubanzi)	2	1	0	1	1	425	1	0	-425	0	0	0
10	Makaula ,L (Lubanzi)	2	1354.4	1354.4	1	1351.1	1779.4	1	1243.4	929.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Koorbanally, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms