Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sibiya, I (Iyazi)

Chess SA id

1070140506

FIDE id

Date of birth

2007-12-03 (U20)

Gender

Male

Region

iLembe (KIK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1279	1261.6	1230.1	1174.9
Raw rating	1279	1261.6	1230.1	1173.9
Weighted rating	1273.6	1251.4	1230.1	1174.9
Weighted performance	1050.6	0	880.9	0
Floor	791.3	770	730.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.2	151.9	158.9	172.1
Highest rating	1456.8 2022-05-01	1434.7 2022-05-01	1266.9 2023-03-01	1200 2018-10-01
Highest raw rating	1291.3 2023-04-01	1270 2022-08-01	1230.4 2023-04-01	1200 2020-01-01
Highest weighted rating	1291.3 2024-04-01	1270 2023-12-01	1230.4 2025-07-01	1200 2018-10-01
Highest weighted performance	1456.8 2022-05-01	1434.7 2022-05-01	1266.9 2023-03-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.1
New rating	1279	1261.6	1230.1	1174.8
Analysis
Rating	1279	1261.6	1230.1	1174.9
Raw rating	1279	1261.6	1230.1	1173.9
Weighted rating	1273.6	1251.4	1230.1
Weighted performance	1050.6	0	880.9
K-factor	36	36	36	36
Floor	791.3	770	730.4	700
Max/Min rating change allowed	148.2	151.9	158.9	172.1
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	1279	1261.6	1230.1	1173.9
New weighted rating	1274.2	1252.5	1230.1	1174.8
New weighted performance	1050.2	0	880.4	0
Temp new rating	1279	1261.6	1230.1	1174.8
Temp new rating +/-	0	0	0	-0.1
Final new rating +/-	0	0	0	-0.1
New rating	1279	1261.6	1230.1	1174.8
New K-factor	36	36	36	36
New floor	791.3	770	730.4	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	10	5	0	5
	0	0	0	0
	22	6	16	0
	29	15	9	5
	0	0	0	0
History	61	26	25	10

Games since
	Main 16	Standard 11		Rapid 0		Blitz 5
Gender	Male
Age group	U20
Region	iLembe (KIK)
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	10	5	50	0	1275.4	1275.4
Standard	5	3	60	85	1274.2	1359.2
Rapid	0	0	0	0	0	0
Blitz	5	2	40	-85	1276.6	1191.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	61	33.5	54.92	41.8	1265.3	1307.1
Standard	26	15	57.69	65.4	1246.6	1312
Rapid	25	13.5	54	34	1271.2	1305.2
Blitz	10	5	50	0	1299.2	1299.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1279	1261.6	1230.1	1173.9
2025-09-01	1279	1261.6	1230.1	1173.9
2025-08-01	1279	1261.6	1230.1	1173.9
2025-07-01	1282.8	1261.6	1230.1	1175.2
2025-06-01	1282.8	1261.6	1230.1	1175.2
2025-05-01	1282.8	1261.6	1230.1	1175.2
2025-04-01	1282.8	1261.6	1230.1	1175.2
2025-03-01	1268	1243.4	1230.1	1175.2
2025-02-01	1268	1243.4	1230.1	1175.2
2025-01-01	1265.8	1240.9	1230.1	1175.2
2024-12-01	1265.8	1240.9	1230.1	1175.2
2024-11-01	1265.8	1240.9	1230.1	1175.2
2024-10-01	1265.8	1240.9	1230.1	1175.2
2024-09-01	1265.8	1240.9	1230.1	1175.2
2024-08-01	1265.8	1240.9	1230.1	1175.2
2024-07-01	1265.8	1240.9	1230.1	1175.2
2024-06-01	1265.8	1240.9	1230.1	1175.2
2024-08-01	1265.8	1240.9	1230.1	1175.2
2024-04-01	1265.8	1240.9	1230.1	1175.2
2024-03-01	1265.8	1240.9	1230.1	1175.2
2024-02-01	1265.8	1240.9	1230.1	1175.2
2024-01-01	1265.8	1240.9	1230.1	1175.2
2023-12-01	1265.8	1240.9	1230.1	1175.2
2023-11-01	1280.7	1257.8	1230.1	1175.2

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 KwaZulu-Natal Women Championship (Teams)	2025-08-23	2025-08-23	Rapid	King Cetshwayo (KUR)	6	0	0	No	Analysis
2	Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025	2025-07-18	2025-07-18	Blitz	iLembe (KIK)	5	5	2	Yes	Analysis
3	Nokukhanya Luthuli Chess Challenge 2025 (High School)	2025-03-08	2025-03-08	Standard	iLembe (KIK)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 KwaZulu-Natal Women Championship (Teams)	2025-08-23	2025-08-23	Rapid	King Cetshwayo (KUR)	6	0	0	No	Analysis
2	Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025	2025-07-18	2025-07-18	Blitz	iLembe (KIK)	5	5	2	Yes	Analysis
3	Nokukhanya Luthuli Chess Challenge 2025 (High School)	2025-03-08	2025-03-08	Standard	iLembe (KIK)	5	5	3	Yes	Analysis
4	2023 KZN SALGA Games Chess Tournament 2023	2023-12-08	2023-12-10	Standard	Ethekwini (KED)	7	6	2	Yes	Analysis
5	2023 Heritage Day Open (A)	2023-09-23	2023-09-24	Standard	Ethekwini (KED)	6	0	0	No	Analysis
6	ILembe Junior Challenge 2023 (U18)	2023-08-26	2023-08-26	Rapid	iLembe (KIK)	5	5	2.5	Yes	Analysis
7	iLembe Winter Games 2023 (U18 Girls)	2023-06-10	2023-06-10	Rapid	iLembe (KIK)	6	6	2.5	Yes	Analysis
8	Mama Nokukhanya Luthuli Commemoration 2023 (High School)	2023-03-18	2023-03-18	Rapid	iLembe (KIK)	5	5	4	Yes	Analysis
9	2022 KZN Salga DSAC Games	2022-12-09	2022-12-11	Standard	Amajuba (KAN)	6	6	3	Yes	Analysis
10	UPS Exam Cool Down Rapid Challenge 2022 (Open)	2022-11-19	2022-11-19	Rapid	iLembe (KIK)	5	5	3.5	Yes	Analysis
11	Ballito Chess Challenge 2022 (Open)	2022-09-03	2022-09-03	Rapid	iLembe (KIK)	5	4	1	Yes	Analysis
12	Luthuli Fun Walk And Chess Blitz 2022	2022-07-23	2022-07-23	Blitz	iLembe (KIK)	5	5	3	Yes	Analysis
13	2022 Kwadabeka Chess Open	2022-07-30	2022-07-30	Standard	Ethekwini (KED)	6	4	3	Yes	Analysis
14	Kwadukuza Schools Chess Trials 2022 (U15 Open)	2022-05-13	2022-05-13	Standard	iLembe (KIK)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 KZN Salga DSAC Games				Tournament Mama Nokukhanya Luthuli Commemoration 2023
		date 2022-12-11	rnd 6	type Standard	result 1	date 2023-03-18	rnd 4	type Rapid	result 1
		Opponent Khumalo, N (Nosipho)				Opponent Zungu, N (Ntando)
2	4	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament Nokukhanya Luthuli Chess Challenge 2025
		date 2023-12-10	rnd 6	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dludla, K (Kwande)				Opponent Dube, S (Snakhokonke)
3	4	Tournament 2022 Kwadabeka Chess Open				Tournament Ballito Chess Challenge 2022
		date 2022-07-30	rnd 4	type Standard	result 1	date 2022-09-03	rnd 1	type Rapid	result 1
		Opponent Khumalo, S (Snenhlanhla)				Opponent Gazo, B (Baphiwe)

#	Games	Start				End
1	4	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament Nokukhanya Luthuli Chess Challenge 2025
		date 2023-12-10	rnd 6	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dludla, K (Kwande)				Opponent Dube, S (Snakhokonke)
2	3	Tournament 2022 Kwadabeka Chess Open				Tournament 2022 Kwadabeka Chess Open
		date 2022-07-30	rnd 4	type Standard	result 1	date 2022-07-30	rnd 6	type Standard	result 1
		Opponent Khumalo, S (Snenhlanhla)				Opponent Makoni, J (Jonathan)
3	3	Tournament Kwadukuza Schools Chess Trials 2022				Tournament Kwadukuza Schools Chess Trials 2022
		date 2022-05-13	rnd 3	type Standard	result 1	date 2022-05-13	rnd 5	type Standard	result 1
		Opponent Jaku, B (Bayanda)				Opponent Manyokolo, N (Nhlanhla)

#	Games	Start				End
1	6	Tournament UPS Exam Cool Down Rapid Challenge 2022				Tournament Mama Nokukhanya Luthuli Commemoration 2023
		date 2022-11-19	rnd 4	type Rapid	result 1	date 2023-03-18	rnd 4	type Rapid	result 1
		Opponent Mthembu, L (Luyanda)				Opponent Zungu, N (Ntando)
2	3	Tournament iLembe Winter Games 2023				Tournament ILembe Junior Challenge 2023
		date 2023-06-10	rnd 6	type Rapid	result 0.5	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Makhoba, A (Akhona)				Opponent Buthelezi, M (Mukelani)
3	2	Tournament UPS Exam Cool Down Rapid Challenge 2022				Tournament UPS Exam Cool Down Rapid Challenge 2022
		date 2022-11-19	rnd 1	type Rapid	result 1	date 2022-11-19	rnd 2	type Rapid	result 0.5
		Opponent Hough, J (Joshua)				Opponent Zuma, T (Thokozani)

#	Games	Start				End
1	3	Tournament Luthuli Fun Walk And Chess Blitz 2022				Tournament Luthuli Fun Walk And Chess Blitz 2022
		date 2022-07-23	rnd 2	type Blitz	result 1	date 2022-07-23	rnd 4	type Blitz	result 1
		Opponent Khumalo, S (Selio)				Opponent Khambule, A (Ayabonga)
2	2	Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-07-18	rnd 2	type Blitz	result 1	date 2025-07-18	rnd 3	type Blitz	result 1
		Opponent Mbonambi, P (Philasande)				Opponent Nxumalo, S (Samkelo)

#	Games	Start				End
1	5	Tournament 2022 KZN Salga DSAC Games				Tournament Mama Nokukhanya Luthuli Commemoration 2023
		date 2022-12-11	rnd 6	type Standard	result 1	date 2023-03-18	rnd 4	type Rapid	result 1
		Opponent Khumalo, N (Nosipho)				Opponent Zungu, N (Ntando)
2	4	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament Nokukhanya Luthuli Chess Challenge 2025
		date 2023-12-10	rnd 6	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dludla, K (Kwande)				Opponent Dube, S (Snakhokonke)
3	4	Tournament 2022 Kwadabeka Chess Open				Tournament Ballito Chess Challenge 2022
		date 2022-07-30	rnd 4	type Standard	result 1	date 2022-09-03	rnd 1	type Rapid	result 1
		Opponent Khumalo, S (Snenhlanhla)				Opponent Gazo, B (Baphiwe)

#	Games	Start				End
1	4	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament Nokukhanya Luthuli Chess Challenge 2025
		date 2023-12-10	rnd 6	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dludla, K (Kwande)				Opponent Dube, S (Snakhokonke)
2	3	Tournament 2022 Kwadabeka Chess Open				Tournament 2022 Kwadabeka Chess Open
		date 2022-07-30	rnd 4	type Standard	result 1	date 2022-07-30	rnd 6	type Standard	result 1
		Opponent Khumalo, S (Snenhlanhla)				Opponent Makoni, J (Jonathan)
3	3	Tournament Kwadukuza Schools Chess Trials 2022				Tournament Kwadukuza Schools Chess Trials 2022
		date 2022-05-13	rnd 3	type Standard	result 1	date 2022-05-13	rnd 5	type Standard	result 1
		Opponent Jaku, B (Bayanda)				Opponent Manyokolo, N (Nhlanhla)

#	Games	Start				End
1	6	Tournament UPS Exam Cool Down Rapid Challenge 2022				Tournament Mama Nokukhanya Luthuli Commemoration 2023
		date 2022-11-19	rnd 4	type Rapid	result 1	date 2023-03-18	rnd 4	type Rapid	result 1
		Opponent Mthembu, L (Luyanda)				Opponent Zungu, N (Ntando)
2	2	Tournament ILembe Junior Challenge 2023				Tournament ILembe Junior Challenge 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Khambule, A (Ayabonga)				Opponent Buthelezi, M (Mukelani)
3	1	Tournament iLembe Winter Games 2023				Tournament iLembe Winter Games 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 4	type Rapid	result 1
		Opponent Khubisa, N (Natasha)				Opponent Khubisa, N (Natasha)

#	Games	Start				End
1	3	Tournament Luthuli Fun Walk And Chess Blitz 2022				Tournament Luthuli Fun Walk And Chess Blitz 2022
		date 2022-07-23	rnd 2	type Blitz	result 1	date 2022-07-23	rnd 4	type Blitz	result 1
		Opponent Khumalo, S (Selio)				Opponent Khambule, A (Ayabonga)
2	2	Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025				Tournament Luthuli Walk Fun Run & Bltz Chess Tournament Open 2025
		date 2025-07-18	rnd 2	type Blitz	result 1	date 2025-07-18	rnd 3	type Blitz	result 1
		Opponent Mbonambi, P (Philasande)				Opponent Nxumalo, S (Samkelo)

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	Manyokolo ,N (Nhlanhla)	4	1	-212.5	1	1	425	2	0	-425	1	0	-425
1	Manyokolo ,N (Nhlanhla)	4	1236.2	1023.7	1	1202.8	1661.2	2	1091.4	811.2	1	1157.6	811.2
2	Mkhize ,G (Gcina)	4	0	-425	0	0	0	4	0	-425	0	0	0
2	Mkhize ,G (Gcina)	4	1366.2	941.2	0	0	0	4	1155.9	941.2	0	0	0
3	Makhoba ,A (Akhona)	3	0.5	-283.3	1	0	-425	2	0.5	-212.5	0	0	0
3	Makhoba ,A (Akhona)	3	1191.4	908	1	1066.4	766.4	2	1319.1	978.9	0	0	0
4	Dube ,S (Snakhokonke)	2	2	425	1	1	425	1	1	425	0	0	0
4	Dube ,S (Snakhokonke)	2	1194.7	1619.7	1	1200	1619.7	1	1200	1619.7	0	0	0
5	Khubisa ,N (Natasha)	2	2	425	0	0	0	2	2	425	0	0	0
5	Khubisa ,N (Natasha)	2	1168.8	1593.8	0	0	0	2	1218.4	1593.8	0	0	0
6	Khambule ,A (Ayabonga)	2	2	425	0	0	0	1	1	425	1	1	425
6	Khambule ,A (Ayabonga)	2	1200	1625	0	0	0	1	1281	1625	1	1200	1625
7	Mthembu ,M (Mfanukhona)	2	1	0	0	0	0	1	1	425	1	0	-425
7	Mthembu ,M (Mfanukhona)	2	1347	1347	0	0	0	1	843	1772	1	611.8	922
8	Madiya ,F (Fezile)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Madiya ,F (Fezile)	1	1324.2	899.2	1	1283.8	899.2	0	0	0	0	0	0
9	Mdletshe ,S (Sivuno)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mdletshe ,S (Sivuno)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mdladla ,Z (Ziyanda)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mdladla ,Z (Ziyanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sibiya, I (Iyazi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms