Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cele, S (Siyabonga)

Chess SA id

1990141277

FIDE id

Date of birth

1999-10-05 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1583.2	1573.4	1260.1	1230.9
Raw rating	1563.1	1568.2	1260.1	1230.9
Weighted rating	1446.1	1435.4	1247.8	1225.8
Weighted performance	1583.2	1573.4	0	0
Floor	1063.1	1068.2	760.1	730.9
K-factor	32	32	36	36
Min/Max rating change allowed	98.8	98.1	152.2	158.7
Highest rating	1583.2 2025-11-01	1573.4 2025-11-01	1329 2024-07-01	1240.4 2024-08-01
Highest raw rating	1563.1 2025-11-01	1568.2 2025-11-01	1260.1 2024-11-01	1230.9 2024-11-01
Highest weighted rating	1446.1 2025-11-01	1435.4 2025-11-01	1240.2 2025-08-01	1222.3 2025-08-01
Highest weighted performance	1583.2 2025-11-01	1573.4 2025-11-01	1329 2024-07-01	1240.4 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.8	-5.3	0	0
New rating	1573.4	1568.2	1260.1	1230.9
Analysis
Rating	1583.2	1573.4	1260.1	1230.9
Raw rating	1563.1	1568.2	1260.1	1230.9
Weighted rating	1446.1	1435.4	1247.8
Weighted performance	1583.2	1573.4	0
K-factor	32	32	36	36
Floor	1063.1	1068.2	760.1	730.9
Max/Min rating change allowed	98.8	98.1	152.2	158.7
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	1563.1	1568.2	1260.1	1230.9
New weighted rating	1459.9	1450.2	1249.9	1226.8
New weighted performance	1573.4	1563.7	0	0
Temp new rating	1573.4	1568.2	1260.1	1230.9
Temp new rating +/-	-9.8	-5.3	0	0
Final new rating +/-	-9.8	-5.3	0	0
New rating	1573.4	1568.2	1260.1	1230.9
New K-factor	32	32	36	36
New floor	1063.1	1068.2	760.1	730.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	10	10	0	0
	55	22	20	13
	13	13	0	0
	9	9	0	0
	0	0	0	0
History	87	54	20	13

Games since
	Main 74	Standard 41		Rapid 20		Blitz 13
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	730		269		97
Male	650		234		81
Adult	309		113		47
Adult Male	289		107		43
Standard
	RSA		Province		Region
Overall	748		290		99
Male	660		249		81
Adult	302		118		47
Adult Male	283		111		42
Rapid
	RSA		Province		Region
Overall	1300		233		100
Male	1044		181		87
Adult	216		68		45
Adult Male	205		65		43
Blitz
	RSA		Province		Region
Overall	400		136		75
Male	371		122		67
Adult	232		81		46
Adult Male	222		77		43


	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	10	7.5	75	212.5	1555	1767.5
Standard	10	7.5	75	212.5	1555	1767.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	87	47.5	54.6	39.1	1415.1	1454.2
Standard	54	29	53.7	31.5	1447.4	1478.9
Rapid	20	11.5	57.5	63.8	1346.9	1410.7
Blitz	13	7	53.85	32.7	1385.6	1418.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1563.1	1568.2	1260.1	1230.9
2025-09-30	1499.1	1489.8	1260.1	1230.9
2025-09-01	1499.1	1489.8	1260.1	1230.9
2025-08-01	1499.1	1489.8	1260.1	1230.9
2025-07-01	1499.1	1489.8	1260.1	1230.9
2025-06-01	1475.4	1459.2	1260.1	1230.9
2025-05-01	1475.4	1459.2	1260.1	1230.9
2025-04-01	1475.4	1459.2	1260.1	1230.9
2025-03-01	1475.4	1459.2	1260.1	1230.9
2025-02-01	1475.4	1459.2	1260.1	1230.9
2025-01-01	1475.4	1459.2	1260.1	1230.9
2024-12-01	1473.8	1457.3	1260.1	1230.9
2024-11-01	1473.8	1457.3	1260.1	1230.9
2024-10-01	1297.3	1272.1	1202.1	1224.1
2024-09-01	1297.3	1272.1	1202.1	1224.1
2024-08-01	1298.7	1272.1	1224.8	1200
2024-07-01	1265.2	1272.1	1200	1200
2024-09-01	1265.2	1272.1	1200	1200
2024-05-01	1265.2	1272.1	1200	1200
2024-04-01	1265.2	1272.1	1200	1200
2024-03-01	1265.2	1272.1	1200	1200
2024-02-01	1265.2	1272.1	1200	1200
2024-01-01	1265.2	1272.1	1200	1200
2023-12-01	1265.2	1272.1	1200	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 Laerskool Doringkloof Primary Open Chess Tournament (B)	2025-10-25	2025-10-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Laerskool Doringkloof Primary Open Chess Tournament (B)	2025-10-25	2025-10-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	5	Yes	Analysis
4	Guateng Universities Chess Championship 2024	2024-10-05	2024-10-05	Standard	Joe Gqabi (EJG)	5	4	1.5	Yes	Analysis
5	WITS vs UJ 2024	2024-09-28	2024-09-28	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	Wits 7th Blitz 2024	2024-10-03	2024-10-03	Blitz	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
7	Wits Open 2024 (B)	2024-10-12	2024-10-12	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	Laerskool Doringkloof Primary Open Chess Tournament 2024 (B)	2024-10-19	2024-10-19	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
9	WITS 6th Trials 2024	2024-09-21	2024-09-21	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	WITS Blitz 2nd 2024	2024-08-22	2024-08-22	Blitz	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	Wits 5th Trials 2024	2024-08-17	2024-08-17	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	WITS UP 2024	2024-08-03	2024-08-03	Blitz	Johannesburg Metro (GJM)	4	4	2	Yes	Analysis
13	Wits 4th Trials 2024	2024-07-27	2024-07-27	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
14	2023 USSA Championships (Open)	2023-12-04	2023-12-08	Standard	Ethekwini (KED)	9	9	2.5	Yes	Analysis
15	NWU Vaal Open 2023 (A)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
16	Ussa Chess Championships 2022 (Open)	2022-12-05	2022-12-09	Standard	Frances Baard (NCF)	9	9	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Laerskool Doringkloof Primary Open Chess Tournament				Tournament 2025 Laerskool Doringkloof Primary Open Chess Tournament
		date 2025-10-25	rnd 1	type Standard	result 1	date 2025-10-25	rnd 5	type Standard	result 1
		Opponent Dikolomela, T (Tlhogi)				Opponent Rishworth, J (Justin)
2	5	Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024				Tournament USSA Chess Championships 2024
		date 2024-10-19	rnd 5	type Standard	result 1	date 2024-11-30	rnd 4	type Standard	result 0.5
		Opponent Machet, J (Jordan)				Opponent Manqele, SP (Siyabonga)
3	5	Tournament Wits Open 2024				Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024
		date 2024-10-12	rnd 3	type Standard	result 1	date 2024-10-19	rnd 3	type Standard	result 1
		Opponent Mbaimba, M (Munashe)				Opponent Mojaki, T (Tshegofatso)

#	Games	Start				End
1	5	Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024				Tournament USSA Chess Championships 2024
		date 2024-10-19	rnd 5	type Standard	result 1	date 2024-11-30	rnd 4	type Standard	result 0.5
		Opponent Machet, J (Jordan)				Opponent Manqele, SP (Siyabonga)
2	5	Tournament Wits Open 2024				Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024
		date 2024-10-12	rnd 3	type Standard	result 1	date 2024-10-19	rnd 3	type Standard	result 1
		Opponent Mbaimba, M (Munashe)				Opponent Mojaki, T (Tshegofatso)
3	4	Tournament NWU Vaal Open 2023				Tournament 2023 USSA Championships
		date 2023-10-14	rnd 5	type Standard	result 1	date 2023-12-05	rnd 3	type Standard	result 0.5
		Opponent Phosa, L (Lerato)				Opponent Masinga, A (Ayanda)

#	Games	Start				End
1	4	Tournament WITS 6th Trials 2024				Tournament WITS vs UJ 2024
		date 2024-09-21	rnd 3	type Rapid	result 1	date 2024-09-28	rnd 1	type Rapid	result 1
		Opponent Oberholzer, E (Ethan)				Opponent Fulane, L (Lindokuhle)
2	4	Tournament Wits 4th Trials 2024				Tournament Wits 4th Trials 2024
		date 2024-07-27	rnd 2	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Hussey, W (William)				Opponent Nganga, S (Stephen)
3	2	Tournament Wits 5th Trials 2024				Tournament Wits 5th Trials 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 4	type Rapid	result 1
		Opponent Kadiaka, L (Lerato)				Opponent Sikhonde, N (Nelisiwe)

#	Games	Start				End
1	2	Tournament Wits 7th Blitz 2024				Tournament Wits 7th Blitz 2024
		date 2024-10-03	rnd 4	type Blitz	result 1	date 2024-10-03	rnd 5	type Blitz	result 1
		Opponent Wallace, A (Amy)				Opponent Nakedi, T (Thuto Reginald)
2	2	Tournament WITS UP 2024				Tournament WITS UP 2024
		date 2024-08-03	rnd 2	type Blitz	result 1	date 2024-08-03	rnd 3	type Blitz	result 1
		Opponent Mokgatle, O (Obakeng)				Opponent Nganga, S (Stephen)
3	1	Tournament WITS Blitz 2nd 2024				Tournament WITS Blitz 2nd 2024
		date 2024-08-22	rnd 5	type Blitz	result 1	date 2024-08-22	rnd 5	type Blitz	result 1
		Opponent Goge, T (Thobela)				Opponent Goge, T (Thobela)

#	Games	Start				End
1	4	Tournament WITS 6th Trials 2024				Tournament WITS vs UJ 2024
		date 2024-09-21	rnd 3	type Rapid	result 1	date 2024-09-28	rnd 1	type Rapid	result 1
		Opponent Oberholzer, E (Ethan)				Opponent Fulane, L (Lindokuhle)
2	3	Tournament Wits Open 2024				Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-10-19	rnd 3	type Standard	result 1
		Opponent Mankena, S (Satvik Ram)				Opponent Mojaki, T (Tshegofatso)
3	3	Tournament Wits 7th Blitz 2024				Tournament Guateng Universities Chess Championship 2024
		date 2024-10-03	rnd 4	type Blitz	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Wallace, A (Amy)				Opponent Dlamini, S (Samarista)

#	Games	Start				End
1	3	Tournament Wits Open 2024				Tournament Laerskool Doringkloof Primary Open Chess Tournament 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-10-19	rnd 3	type Standard	result 1
		Opponent Mankena, S (Satvik Ram)				Opponent Mojaki, T (Tshegofatso)
2	3	Tournament NWU Vaal Open 2023				Tournament 2023 USSA Championships
		date 2023-10-14	rnd 5	type Standard	result 1	date 2023-12-04	rnd 2	type Standard	result 1
		Opponent Phosa, L (Lerato)				Opponent Ranoto, T (Tumelo)
3	2	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 3	type Standard	result 1	date 2025-06-01	rnd 4	type Standard	result 1
		Opponent Van Dyk, TM (Tayla Mila)				Opponent Bijker, W (Waldo)

#	Games	Start				End
1	4	Tournament WITS 6th Trials 2024				Tournament WITS vs UJ 2024
		date 2024-09-21	rnd 3	type Rapid	result 1	date 2024-09-28	rnd 1	type Rapid	result 1
		Opponent Oberholzer, E (Ethan)				Opponent Fulane, L (Lindokuhle)
2	2	Tournament Wits 5th Trials 2024				Tournament Wits 5th Trials 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 4	type Rapid	result 1
		Opponent Kadiaka, L (Lerato)				Opponent Sikhonde, N (Nelisiwe)
3	2	Tournament Wits 4th Trials 2024				Tournament Wits 4th Trials 2024
		date 2024-07-27	rnd 2	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Hussey, W (William)				Opponent Mashao, BM (Botlhale)

#	Games	Start				End
1	2	Tournament Wits 7th Blitz 2024				Tournament Wits 7th Blitz 2024
		date 2024-10-03	rnd 4	type Blitz	result 1	date 2024-10-03	rnd 5	type Blitz	result 1
		Opponent Wallace, A (Amy)				Opponent Nakedi, T (Thuto Reginald)
2	2	Tournament WITS UP 2024				Tournament WITS UP 2024
		date 2024-08-03	rnd 2	type Blitz	result 1	date 2024-08-03	rnd 3	type Blitz	result 1
		Opponent Mokgatle, O (Obakeng)				Opponent Nganga, S (Stephen)
3	1	Tournament WITS Blitz 2nd 2024				Tournament WITS Blitz 2nd 2024
		date 2024-08-22	rnd 5	type Blitz	result 1	date 2024-08-22	rnd 5	type Blitz	result 1
		Opponent Goge, T (Thobela)				Opponent Goge, T (Thobela)

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	Goge ,T (Thobela)	4	1.5	-106.2	1	0.5	0	1	0	-425	2	1	0
1	Goge ,T (Thobela)	4	1536.6	1430.3	1	1485.7	1536.6	1	1442.8	1111.6	2	1341	1536.6
2	Bokgoshi ,L (Lesley)	3	1.5	0	0	0	0	3	1.5	0	0	0	0
2	Bokgoshi ,L (Lesley)	3	1338.3	1338.3	0	0	0	3	1214	1338.3	0	0	0
3	Nganga ,S (Stephen)	3	3	425	0	0	0	1	1	425	2	2	425
3	Nganga ,S (Stephen)	3	1208.6	1633.6	0	0	0	1	1233.5	1633.6	2	1196	1633.6
4	Vele ,O (Ompha)	3	0	-425	0	0	0	1	0	-425	2	0	-425
4	Vele ,O (Ompha)	3	1627.2	1202.2	0	0	0	1	1344.5	1202.2	2	1310.6	1202.2
5	Ranoto ,T (Tumelo)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Ranoto ,T (Tumelo)	2	1534.8	1534.8	1	1504.1	1959.8	1	1335.1	1109.8	0	0	0
6	Manganye ,T (Tshepiso)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Manganye ,T (Tshepiso)	2	1574.7	1574.7	1	1556.3	1999.7	1	1582.5	1149.7	0	0	0
7	Chettiar ,E (Evasan)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
7	Chettiar ,E (Evasan)	2	1856.4	1643.9	1	1875.7	1856.4	1	1843.2	1431.4	0	0	0
8	Mashao ,BM (Botlhale)	2	1	0	0	0	0	1	1	425	1	0	-425
8	Mashao ,BM (Botlhale)	2	1500.9	1500.9	0	0	0	1	778	1925.9	1	500	1075.9
9	Sikhonde ,N (Nelisiwe)	2	2	425	0	0	0	1	1	425	1	1	425
9	Sikhonde ,N (Nelisiwe)	2	1157.9	1582.9	0	0	0	1	1071.6	1582.9	1	1200	1582.9
10	Nakedi ,T (Thuto Reginald)	2	1	0	0	0	0	0	0	0	2	1	0
10	Nakedi ,T (Thuto Reginald)	2	1298.6	1298.6	0	0	0	0	0	0	2	1523.9	1298.6

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Cele, S (Siyabonga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms