Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sibiya, N (Ndumiso)

Chess SA id

1090304691

FIDE id

Date of birth

2009-12-28 (U18)

Gender

Male

Region

Ugu (KUG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1241.6	1215.2	1249.2	1200
Raw rating	1241.6	1215.2	1249.2	1200
Weighted rating	1224.4	1199.7	1238.4	1200
Weighted performance	0	0	0	0
Floor	741.6	715.2	749.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.3	162.3	154.6	165.8
Highest rating	1283.2 2024-09-01	1215.2 2025-06-01	1408.4 2024-09-01	1200 2024-06-01
Highest raw rating	1241.6 2025-06-01	1215.2 2025-06-01	1249.2 2024-10-01	1200 2024-06-01
Highest weighted rating	1219.5 2025-08-01	1215.2 2024-11-01	1234.3 2025-08-01	1200 2024-06-01
Highest weighted performance	1283.2 2024-09-01	1200 2024-12-01	1408.4 2024-09-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1241.6	1215.2	1249.2	1200
Analysis
Rating	1241.6	1215.2	1249.2	1200
Raw rating	1241.6	1215.2	1249.2	1200
Weighted rating	1224.4	1199.7	1238.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	741.6	715.2	749.2	700
Max/Min rating change allowed	156.3	162.3	154.6	165.8
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	1241.6	1215.2	1249.2	1200
New weighted rating	1226.6	1201.3	1240.2	1200
New weighted performance	0	0	0	0
Temp new rating	1241.6	1215.2	1249.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1241.6	1215.2	1249.2	1200
New K-factor	36	36	36	36
New floor	741.6	715.2	749.2	700

Item	Main	Standard	Rapid
	0	0	0
	7	7	0
	14	9	5
	0	0	0
	0	0	0
	0	0	0
History	21	16	5

Games since
	Main 21	Standard 16		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Ugu (KUG)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	7	2.5	35.71	-121.4	1392.6	1271.2
Standard	7	2.5	35.71	-121.4	1392.6	1271.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	10	47.62	-20.2	1288.3	1268
Standard	16	6.5	40.62	-79.7	1295	1215.3
Rapid	5	3.5	70	170	1266.6	1436.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1241.6	1215.2	1249.2	1200
2025-09-01	1241.6	1215.2	1249.2	1200
2025-08-01	1241.6	1215.2	1249.2	1200
2025-07-01	1241.6	1215.2	1249.2	1200
2025-06-01	1241.6	1215.2	1249.2	1200
2025-05-01	1232.8	1198.8	1249.2	1200
2025-04-01	1232.8	1198.8	1249.2	1200
2025-03-01	1232.8	1198.8	1249.2	1200
2025-02-01	1232.8	1198.8	1249.2	1200
2025-01-01	1232.8	1198.8	1249.2	1200
2024-12-01	1232.8	1198.8	1249.2	1200
2024-11-01	1232.8	1198.8	1249.2	1200
2024-10-01	1232.8	1198.8	1249.2	1200
2024-09-01	1165.1	1158	1200	1200
2024-08-01	1165.1	1158	1200	1200
2024-07-01	1165.1	1158	1200	1200
2024-06-01	1165.1	1158	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Ugu Women's Day tournament 2025 (Open)	2025-08-09	2025-08-09	Rapid	Ugu (KUG)	6	0	0	No	Analysis
2	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	7	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ugu Women's Day tournament 2025 (Open)	2025-08-09	2025-08-09	Rapid	Ugu (KUG)	6	0	0	No	Analysis
2	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	7	2.5	Yes	Analysis
3	2024 UGU District Schools Trials (U15 Boys)	2024-09-07	2024-09-07	Standard	Ugu (KUG)	5	5	3	Yes	Analysis
4	2024 KZN Royals Chess Club Tournament (U16-U20)	2024-09-14	2024-09-14	Rapid	Ethekwini (KED)	5	5	3.5	Yes	Analysis
5	UGU Trials for KZN Open 2024 (U16)	2024-04-06	2024-04-06	Standard	Ugu (KUG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-02	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 0.5
		Opponent Asghar, A (Adam)				Opponent Baleni, A (Aphendule)
2	3	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 3	type Rapid	result 0.5
		Opponent Mkhize, B (Banele)				Opponent Mahadeo, S (Shreeya)
3	2	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Ngcobo, P (Philasande)				Opponent Sikhosana, M (Malusi)

#	Games	Start				End
1	3	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-02	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 0.5
		Opponent Asghar, A (Adam)				Opponent Baleni, A (Aphendule)
2	2	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Ngcobo, P (Philasande)				Opponent Sikhosana, M (Malusi)
3	1	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mbuthuma, L (Lwandile)				Opponent Mbuthuma, L (Lwandile)

#	Games	Start				End
1	3	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 3	type Rapid	result 0.5
		Opponent Mkhize, B (Banele)				Opponent Mahadeo, S (Shreeya)
2	1	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Msomi, E (Emihle)				Opponent Msomi, E (Emihle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-02	rnd 2	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Asghar, A (Adam)				Opponent Dawah, D (Dhyan)
2	2	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Mkhize, B (Banele)				Opponent Thini, L (Lwandile)
3	2	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Ngcobo, P (Philasande)				Opponent Sikhosana, M (Malusi)

#	Games	Start				End
1	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-02	rnd 2	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Asghar, A (Adam)				Opponent Dawah, D (Dhyan)
2	2	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Ngcobo, P (Philasande)				Opponent Sikhosana, M (Malusi)
3	1	Tournament 2024 UGU District Schools Trials				Tournament 2024 UGU District Schools Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mbuthuma, L (Lwandile)				Opponent Mbuthuma, L (Lwandile)

#	Games	Start				End
1	2	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Mkhize, B (Banele)				Opponent Thini, L (Lwandile)
2	1	Tournament 2024 KZN Royals Chess Club Tournament				Tournament 2024 KZN Royals Chess Club Tournament
		date 2024-09-14	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Msomi, E (Emihle)				Opponent Msomi, E (Emihle)

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	Phuthumani ,I (Iviwe)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Phuthumani ,I (Iviwe)	2	1413.1	988.1	2	1401.7	988.1	0	0	0	0	0	0
2	Govender ,D (Dejuan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Govender ,D (Dejuan)	1	1367.8	942.8	1	1357	942.8	0	0	0	0	0	0
3	Khoza ,S (Slindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Khoza ,S (Slindokuhle)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Dawah ,D (Dhyan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Dawah ,D (Dhyan)	1	1441.8	1866.8	1	1435	1866.8	0	0	0	0	0	0
5	Mbuthuma ,L (Lwandile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mbuthuma ,L (Lwandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Asghar ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
6	Asghar ,A (Adam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ngcobo ,P (Philasande)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ngcobo ,P (Philasande)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Cele ,M (Mpendulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cele ,M (Mpendulo)	1	1492.1	1067.1	1	1482.4	1067.1	0	0	0	0	0	0
9	Sikhosana ,M (Malusi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Sikhosana ,M (Malusi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Nxumalo ,S (Sisonke)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nxumalo ,S (Sisonke)	1	1415.4	990.4	1	1404.4	990.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sibiya, N (Ndumiso)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms