Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sibiya, IS (Sotobe)

Chess SA id

1650119704

FIDE id

Date of birth

1965-09-25 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1270.5	1242	1300	1300
Raw rating	1270.5	1242	1300	1300
Weighted rating	1268.6	1240.2	1299	1299
Weighted performance	0	0	0	0
Floor	770.5	742	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	150	156.2	143.8	143.8
Highest rating	1270.5 2024-02-01	1242 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1270.5 2024-02-01	1242 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1264.1 2025-08-01	1235.8 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1270.5	1242	1300	1300
Analysis
Rating	1270.5	1242	1300	1300
Raw rating	1270.5	1242	1300	1300
Weighted rating	1268.6	1240.2	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	770.5	742	800	800
Max/Min rating change allowed	150	156.2	143.8	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	1270.5	1242	1300	1300
New weighted rating	1269.8	1241.4	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1270.5	1242	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1270.5	1242	1300	1300
New K-factor	36	36	36	36
New floor	770.5	742	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	17	17

Games since
	Main 0	Standard 0		Rapid 0		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	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	17	5.5	32.35	-150	1173.9	1023.9
Standard	17	5.5	32.35	-150	1173.9	1023.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1270.5	1242	1300	1300
2025-09-01	1270.5	1242	1300	1300
2025-08-01	1270.5	1242	1300	1300
2025-07-01	1270.5	1242	1300	1300
2025-06-01	1270.5	1242	1300	1300
2025-05-01	1270.5	1242	1300	1300
2025-04-01	1270.5	1242	1300	1300
2025-03-01	1270.5	1242	1300	1300
2025-02-01	1270.5	1242	1300	1300
2025-01-01	1270.5	1242	1300	1300
2024-12-01	1270.5	1242	1300	1300
2024-11-01	1270.5	1242	1300	1300
2024-10-01	1270.5	1242	1300	1300
2024-09-01	1270.5	1242	1300	1300
2024-08-01	1270.5	1242	1300	1300
2024-07-01	1270.5	1242	1300	1300
2024-06-01	1270.5	1242	1300	1300
2024-08-01	1270.5	1242	1300	1300
2024-04-01	1270.5	1242	1300	1300
2024-03-01	1270.5	1242	1300	1300
2024-02-01	1270.5	1242	1300	1300
2024-01-01	1270.5	1242	1300	1300
2023-12-01	1078.9	1054.4	1200	1200
2023-11-01	1078.9	1054.4	1200	1200

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	SAPS National Individual Chess Championship 2019 (Men)	2019-10-23	2019-10-25	Standard	Frances Baard (NCF)	9	9	2.5	Yes	Analysis
2	SAPS National Team Chess Championship 2019	2019-10-26	2019-10-30	Standard	Frances Baard (NCF)	9	8	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-28	rnd 5	type Standard	result 1	date 2019-10-28	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Matsio, TS (Stanley)
2	2	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-25	rnd 6	type Standard	result 0.5	date 2019-10-25	rnd 7	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Bosoga, T (Thabiso)
3	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-23	rnd 2	type Standard	result 1	date 2019-10-23	rnd 2	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)

#	Games	Start				End
1	3	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-28	rnd 5	type Standard	result 1	date 2019-10-28	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Matsio, TS (Stanley)
2	2	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-25	rnd 6	type Standard	result 0.5	date 2019-10-25	rnd 7	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Bosoga, T (Thabiso)
3	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-23	rnd 2	type Standard	result 1	date 2019-10-23	rnd 2	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-28	rnd 5	type Standard	result 1	date 2019-10-28	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Matsio, TS (Stanley)
2	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-25	rnd 7	type Standard	result 1	date 2019-10-25	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Bosoga, T (Thabiso)
3	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-23	rnd 2	type Standard	result 1	date 2019-10-23	rnd 2	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)

#	Games	Start				End
1	3	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-28	rnd 5	type Standard	result 1	date 2019-10-28	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Matsio, TS (Stanley)
2	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-25	rnd 7	type Standard	result 1	date 2019-10-25	rnd 7	type Standard	result 1
		Opponent Bosoga, T (Thabiso)				Opponent Bosoga, T (Thabiso)
3	1	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Individual Chess Championship 2019
		date 2019-10-23	rnd 2	type Standard	result 1	date 2019-10-23	rnd 2	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)

No games found.

#	Games	Start				End

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	Mukwevho ,R (Reginald)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mukwevho ,R (Reginald)	2	1091.4	1091.4	2	1068.8	1091.4	0	0	0	0	0	0
2	Bosoga ,T (Thabiso)	2	2	425	2	2	425	0	0	0	0	0	0
2	Bosoga ,T (Thabiso)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
3	Jacobs ,J (Jacques Peter)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Jacobs ,J (Jacques Peter)	1	1365.8	940.8	1	1365.8	940.8	0	0	0	0	0	0
4	Mashabela ,SN (Sipho)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mashabela ,SN (Sipho)	1	1215	790	1	1215	790	0	0	0	0	0	0
5	Ponchi ,A (A)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ponchi ,A (A)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ntuli ,S (Sb)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ntuli ,S (Sb)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Slabbert ,WJ (William John)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Slabbert ,WJ (William John)	1	1176.5	751.5	1	1183.8	751.5	0	0	0	0	0	0
8	Mopp ,L (Lwade)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mopp ,L (Lwade)	1	801	376	1	801	376	0	0	0	0	0	0
9	Matsio ,TS (Stanley)	1	1	425	1	1	425	0	0	0	0	0	0
9	Matsio ,TS (Stanley)	1	1182.9	1607.9	1	1185.9	1607.9	0	0	0	0	0	0
10	Ntunzela ,HB (Hopewell Bhekithemba)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ntunzela ,HB (Hopewell Bhekithemba)	1	1277.3	852.3	1	1296	852.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Sibiya, IS (Sotobe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms