Chess South Africa Ratings Database

PLAYER PAGE

Personal

Magudulela, J (Jacob)

Chess SA id

152072605

FIDE id

Date of birth

1952-04-29 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1326.6	1334	1262.9	1300
Raw rating	1326.6	1334	1262.9	1300
Weighted rating	1322.2	1329.9	1262.5	1299.7
Weighted performance	1076.6	1083.3	0	0
Floor	870.8	875.2	762.9	800
K-factor	36	36	36	36
Min/Max rating change allowed	138.4	137	151.6	143.8
Highest rating	1426.1 2022-09-01	1410.4 2022-09-01	1324.7 2023-06-01	1300 2024-02-01
Highest raw rating	1370.8 2024-02-01	1375.2 2024-02-01	1262.9 2024-04-01	1300 2024-02-01
Highest weighted rating	1370.8 2024-07-01	1375.2 2024-07-01	1261 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1426.1 2022-09-01	1410.4 2022-09-01	1324.7 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1326.6	1334	1262.9	1300
Analysis
Rating	1326.6	1334	1262.9	1300
Raw rating	1326.6	1334	1262.9	1300
Weighted rating	1322.2	1329.9	1262.5
Weighted performance	1076.6	1083.3	0
K-factor	36	36	36	36
Floor	870.8	875.2	762.9	800
Max/Min rating change allowed	138.4	137	151.6	143.8
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	1326.6	1334	1262.9	1300
New weighted rating	1322	1329.6	1262.7	1300
New weighted performance	1069.2	1075.7	0	0
Temp new rating	1326.6	1334	1262.9	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1326.6	1334	1262.9	1300
New K-factor	36	36	36	36
New floor	870.8	875.2	762.9	800

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	23	16	7
	22	18	4
	12	12	0
	0	0	0
History	63	52	11

Games since
	Main 29	Standard 22		Rapid 7		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
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	6	2.5	41.67	-70.8	1339.9	1269.1
Standard	6	2.5	41.67	-70.8	1339.9	1269.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	32	50.79	6.7	1343.5	1350.3
Standard	52	25	48.08	-16.3	1365.4	1349.1
Rapid	11	7	63.64	115.9	1240.1	1356
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1326.6	1334	1262.9	1300
2025-09-30	1326.6	1334	1262.9	1300
2025-09-01	1326.6	1334	1262.9	1300
2025-08-01	1326.6	1334	1262.9	1300
2025-07-01	1326.6	1334	1262.9	1300
2025-06-01	1326.6	1334	1262.9	1300
2025-05-01	1326.6	1334	1262.9	1300
2025-04-01	1326.6	1333.5	1262.9	1300
2025-03-01	1328.3	1335.7	1262.9	1300
2025-02-01	1326.2	1333.6	1262.9	1300
2025-01-01	1288.1	1296	1262.9	1300
2024-12-01	1288.1	1296	1262.9	1300
2024-11-01	1288.1	1296	1262.9	1300
2024-10-01	1288.1	1296	1262.9	1300
2024-09-01	1288.1	1296	1262.9	1300
2024-08-01	1288.1	1296	1262.9	1300
2024-07-01	1360.1	1370.5	1262.9	1300
2024-09-01	1360.1	1370.5	1262.9	1300
2024-05-01	1360.1	1370.5	1262.9	1300
2024-04-01	1362.8	1375.2	1262.9	1300
2024-03-01	1370.8	1375.2	1254.7	1300
2024-02-01	1370.8	1375.2	1254.7	1300
2024-01-01	1370.8	1375.2	1254.7	1300
2023-12-01	1370.8	1375.2	1222	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	2025 Ethekwini Open (A)	2025-03-21	2025-03-22	Standard	Ethekwini (KED)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Ethekwini Open (A)	2025-03-21	2025-03-22	Standard	Ethekwini (KED)	6	6	2.5	Yes	Analysis
2	South African Open Chess Championship 2024 (B)	2024-06-29	2024-07-07	Standard	Ethekwini (KED)	11	10	3	Yes	Analysis
3	2024 Ethekwini Open (A)	2024-04-20	2024-04-21	Standard	Ethekwini (KED)	6	6	3	Yes	Analysis
4	Human Rights Rapid Chess Tournament 2024	2024-03-16	2024-03-16	Rapid	Ethekwini (KED)	7	7	4	Yes	Analysis
5	2023 Heritage Day Open (A)	2023-09-23	2023-09-24	Standard	Ethekwini (KED)	6	5	3	Yes	Analysis
6	INK Chess Open 2023	2023-06-21	2023-06-21	Rapid	Ethekwini (KED)	5	4	3	Yes	Analysis
7	2023 KZN Open (A)	2023-04-29	2023-04-30	Standard	Ethekwini (KED)	7	7	4	Yes	Analysis
8	2023 Umhlanga Chess Club Open (A)	2023-02-11	2023-02-12	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
9	2022 Heritage Day Open (A)	2022-09-24	2022-09-25	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
10	2022 KZN Open (A)	2022-04-30	2022-05-01	Standard	Ethekwini (KED)	6	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2022 Heritage Day Open				Tournament 2022 Heritage Day Open
		date 2022-09-24	rnd 2	type Standard	result 1	date 2022-09-25	rnd 5	type Standard	result 1
		Opponent Mdunge, T (Thobeka)				Opponent Xulu, L (Lethukuthula)
2	3	Tournament Human Rights Rapid Chess Tournament 2024				Tournament 2024 Ethekwini Open
		date 2024-03-16	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 1	type Standard	result 1
		Opponent Mbatha, S (Siyethaba)				Opponent Mehta, V (Vivek)
3	3	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-24	rnd 5	type Standard	result 1
		Opponent Ellender, A (Asher)				Opponent Mkhize, J (Justice)

#	Games	Start				End
1	4	Tournament 2022 Heritage Day Open				Tournament 2022 Heritage Day Open
		date 2022-09-24	rnd 2	type Standard	result 1	date 2022-09-25	rnd 5	type Standard	result 1
		Opponent Mdunge, T (Thobeka)				Opponent Xulu, L (Lethukuthula)
2	3	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-24	rnd 5	type Standard	result 1
		Opponent Ellender, A (Asher)				Opponent Mkhize, J (Justice)
3	3	Tournament 2023 KZN Open				Tournament 2023 KZN Open
		date 2023-04-29	rnd 3	type Standard	result 1	date 2023-04-30	rnd 5	type Standard	result 1
		Opponent Masondo, O (Olwethu)				Opponent Mkhwanazi, M (Muzi)

#	Games	Start				End
1	3	Tournament INK Chess Open 2023				Tournament Human Rights Rapid Chess Tournament 2024
		date 2023-06-21	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Khumalo, T (Terrence)				Opponent Dlamini, N (Nkosikhona)
2	2	Tournament Human Rights Rapid Chess Tournament 2024				Tournament Human Rights Rapid Chess Tournament 2024
		date 2024-03-16	rnd 6	type Rapid	result 1	date 2024-03-16	rnd 7	type Rapid	result 1
		Opponent Mbatha, S (Siyethaba)				Opponent Langa, M (Masikane)
3	1	Tournament Human Rights Rapid Chess Tournament 2024				Tournament Human Rights Rapid Chess Tournament 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Mdletshe, N (Nsindiso)				Opponent Mdletshe, N (Nsindiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2022 Heritage Day Open				Tournament 2022 Heritage Day Open
		date 2022-09-24	rnd 2	type Standard	result 1	date 2022-09-25	rnd 5	type Standard	result 1
		Opponent Mdunge, T (Thobeka)				Opponent Xulu, L (Lethukuthula)
2	3	Tournament Human Rights Rapid Chess Tournament 2024				Tournament 2024 Ethekwini Open
		date 2024-03-16	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 1	type Standard	result 1
		Opponent Mbatha, S (Siyethaba)				Opponent Mehta, V (Vivek)
3	3	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-24	rnd 5	type Standard	result 1
		Opponent Ellender, A (Asher)				Opponent Mkhize, J (Justice)

#	Games	Start				End
1	4	Tournament 2022 Heritage Day Open				Tournament 2022 Heritage Day Open
		date 2022-09-24	rnd 2	type Standard	result 1	date 2022-09-25	rnd 5	type Standard	result 1
		Opponent Mdunge, T (Thobeka)				Opponent Xulu, L (Lethukuthula)
2	3	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-24	rnd 5	type Standard	result 1
		Opponent Ellender, A (Asher)				Opponent Mkhize, J (Justice)
3	3	Tournament 2023 KZN Open				Tournament 2023 KZN Open
		date 2023-04-29	rnd 3	type Standard	result 1	date 2023-04-30	rnd 5	type Standard	result 1
		Opponent Masondo, O (Olwethu)				Opponent Mkhwanazi, M (Muzi)

#	Games	Start				End
1	3	Tournament INK Chess Open 2023				Tournament Human Rights Rapid Chess Tournament 2024
		date 2023-06-21	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent Khumalo, T (Terrence)				Opponent Dlamini, N (Nkosikhona)
2	2	Tournament Human Rights Rapid Chess Tournament 2024				Tournament Human Rights Rapid Chess Tournament 2024
		date 2024-03-16	rnd 6	type Rapid	result 1	date 2024-03-16	rnd 7	type Rapid	result 1
		Opponent Mbatha, S (Siyethaba)				Opponent Langa, M (Masikane)
3	1	Tournament Human Rights Rapid Chess Tournament 2024				Tournament Human Rights Rapid Chess Tournament 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Mdletshe, N (Nsindiso)				Opponent Mdletshe, N (Nsindiso)

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	Yan ,W (Weilun)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Yan ,W (Weilun)	2	1638.4	1213.4	2	1652.9	1213.4	0	0	0	0	0	0
2	Elephant ,K (Kabelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Elephant ,K (Kabelo)	2	1396.6	971.6	2	1376.5	971.6	0	0	0	0	0	0
3	Ndlovu ,M (Mlamuli)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Ndlovu ,M (Mlamuli)	2	1558.8	1133.8	2	1577.7	1133.8	0	0	0	0	0	0
4	Danisa ,CT (Cyril Thanda)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Danisa ,CT (Cyril Thanda)	2	1694.4	1269.4	1	1701	1269.4	1	1621.9	1269.4	0	0	0
5	Mbanjwa ,N (Nhlakanipho)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Mbanjwa ,N (Nhlakanipho)	2	1540.4	1115.4	1	1544	1115.4	1	1583.5	1115.4	0	0	0
6	Atkinson ,CW (Craig)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Atkinson ,CW (Craig)	1	1357.4	932.4	1	1337	932.4	0	0	0	0	0	0
7	Sibiya ,S (Sbonga)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sibiya ,S (Sbonga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mthembu ,Z (Zolani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mthembu ,Z (Zolani)	1	1173.6	748.6	1	1140.7	748.6	0	0	0	0	0	0
9	Rishworth ,J (Justin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Rishworth ,J (Justin)	1	1558.6	1133.6	1	1552.3	1133.6	0	0	0	0	0	0
10	Masiteng ,L (Lerato)	1	1	425	1	1	425	0	0	0	0	0	0
10	Masiteng ,L (Lerato)	1	1292.8	1717.8	1	1286.2	1717.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Magudulela, J (Jacob)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms