Chess South Africa Ratings Database

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Personal

Sizani, I (Iviwe)

Chess SA id

2160312678

FIDE id

Date of birth

2016-11-06 (U10)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-30

Personal details last changed

2025-07-14

Junior GPX Games

72.9

Junior GPX Points

1233.2

Item	Main	Standard	Rapid	Blitz
Rating	1390.8	1388.4	1225.4	1200
Raw rating	1379.7	1339.3	1225.4	1200
Weighted rating	1246	1234.6	1203.5	1200
Weighted performance	1390.8	1388.4	0	0
Floor	902.7	839.3	745.2	700
K-factor	32	36	36	36
Min/Max rating change allowed	128.4	136	159.9	165.8
Highest rating	1406.4 2025-09-30	1404 2025-09-30	1245.2 2025-08-01	1200 2024-10-01
Highest raw rating	1402.7 2025-08-01	1339.3 2025-09-30	1245.2 2025-08-01	1200 2024-10-01
Highest weighted rating	1246 2025-11-01	1224.5 2025-09-30	1203.5 2025-11-01	1200 2024-10-01
Highest weighted performance	1406.4 2025-09-30	1404 2025-09-30	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.3	-8.3	0	0
New rating	1382.5	1380.1	1225.4	1200
Analysis
Rating	1390.8	1388.4	1225.4	1200
Raw rating	1379.7	1339.3	1225.4	1200
Weighted rating	1246	1234.6	1203.5
Weighted performance	1390.8	1388.4	0
K-factor	32	36	36	36
Floor	902.7	839.3	745.2	700
Max/Min rating change allowed	128.4	136	159.9	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	1379.7	1339.3	1225.4	1200
New weighted rating	1258.4	1244.2	1205.5	1200
New weighted performance	1382.5	1380.1	0	0
Temp new rating	1382.5	1380.1	1225.4	1200
Temp new rating +/-	-8.3	-8.3	0	0
Final new rating +/-	-8.3	-8.3	0	0
New rating	1382.5	1380.1	1225.4	1200
New K-factor	32	36	36	36
New floor	902.7	839.3	745.2	700

Item	Main	Standard	Rapid
	0	0	0
	76	69	7
	3	0	3
	0	0	0
	0	0	0
	0	0	0
History	79	69	10

Games since
	Main 79	Standard 69		Rapid 10		Blitz 0
Gender	Female
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2290		284		97
Female	398		44		14
U10	159		18		8
U10 Female	19		4		2
Standard
	RSA		Province		Region
Overall	2224		281		93
Female	388		44		15
U10	155		21		8
U10 Female	20		5		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-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	76	36.5	48.03	-16.8	1291.9	1275.1
Standard	69	33	47.83	-18.5	1275.4	1256.9
Rapid	7	3.5	50	0	1454.5	1454.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	79	37.5	47.47	-21.5	1284	1262.5
Standard	69	33	47.83	-18.5	1275.4	1256.9
Rapid	10	4.5	45	-42.5	1343.8	1301.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1379.7	1339.3	1225.4	1200
2025-09-30	1382.4	1339.3	1245.2	1200
2025-09-01	1322.6	1265.5	1245.2	1200
2025-08-01	1402.7	1301.3	1245.2	1200
2025-07-01	1206.6	1219.1	1187.9	1200
2025-06-01	1191.2	1198.2	1190.3	1200
2025-05-01	1190.6	1197.3	1190.3	1200
2025-04-01	1192.8	1199.6	1190.3	1200
2025-03-01	1191.3	1197.8	1190.3	1200
2025-02-01	1191.7	1200	1188.7	1200
2025-01-01	1172.2	1200	1162.4	1200
2024-12-01	1172.2	1200	1162.4	1200
2024-11-01	1172.2	1200	1162.4	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	EC Closed 2025 (U8+U10 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
3	FIDE in the Bay 2025 (U12)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
4	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	3	1	Yes	Analysis
5	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
6	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	3	2.5	Yes	Analysis
7	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	5	Yes	Analysis
8	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	0.5	Yes	Analysis
9	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
10	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis
11	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
12	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
13	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
14	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
15	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
16	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	EC Closed 2025 (U8+U10 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
3	FIDE in the Bay 2025 (U12)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
4	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	3	1	Yes	Analysis
5	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
6	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	3	2.5	Yes	Analysis
7	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	5	Yes	Analysis
8	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	0.5	Yes	Analysis
9	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
10	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis
11	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
12	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
13	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
14	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
15	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
16	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
17	NMBCU Top Schools 2024 (Junior Primary)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	3	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Coetzee, N (Niki)				Opponent Jikijela, A (Ayana)
2	4	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Tadese, S (Saron)				Opponent Van Huyssteen, Z (Zani)
3	4	Tournament Fide in the Bay 2025				Tournament UCC Rapid July 2025
		date 2025-07-05	rnd 5	type Standard	result 1	date 2025-07-08	rnd 3	type Rapid	result 1
		Opponent Noah, A (Alexander)				Opponent Smile, O (Osakhe)

#	Games	Start				End
1	4	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Coetzee, N (Niki)				Opponent Jikijela, A (Ayana)
2	4	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Tadese, S (Saron)				Opponent Van Huyssteen, Z (Zani)
3	4	Tournament NMB 3rd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent Armstrong, K (Kristin)

#	Games	Start				End
1	3	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-08	rnd 1	type Rapid	result 1	date 2025-07-08	rnd 3	type Rapid	result 1
		Opponent Verwey, M (Malan)				Opponent Smile, O (Osakhe)
2	1	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 4	type Rapid	result 1	date 2024-10-12	rnd 4	type Rapid	result 1
		Opponent Makhetha, T (Tebello)				Opponent Makhetha, T (Tebello)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Coetzee, N (Niki)				Opponent Jikijela, A (Ayana)
2	4	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Tadese, S (Saron)				Opponent Van Huyssteen, Z (Zani)
3	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 1	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Van Dyk, B (Ben)

#	Games	Start				End
1	4	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Coetzee, N (Niki)				Opponent Jikijela, A (Ayana)
2	4	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Tadese, S (Saron)				Opponent Van Huyssteen, Z (Zani)
3	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 1	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Van Dyk, B (Ben)

#	Games	Start				End
1	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-08	rnd 3	type Rapid	result 1	date 2025-07-08	rnd 3	type Rapid	result 1
		Opponent Smile, O (Osakhe)				Opponent Smile, O (Osakhe)
2	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-08	rnd 1	type Rapid	result 1	date 2025-07-08	rnd 1	type Rapid	result 1
		Opponent Verwey, M (Malan)				Opponent Verwey, M (Malan)
3	1	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 4	type Rapid	result 1	date 2024-10-12	rnd 4	type Rapid	result 1
		Opponent Makhetha, T (Tebello)				Opponent Makhetha, T (Tebello)

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	Armstrong ,K (Kristin)	6	3	0	6	3	0	0	0	0	0	0	0
1	Armstrong ,K (Kristin)	6	1223.1	1223.1	6	1221.3	1223.1	0	0	0	0	0	0
2	Van Huyssteen ,Z (Zani)	6	6	425	6	6	425	0	0	0	0	0	0
2	Van Huyssteen ,Z (Zani)	6	1200.5	1625.5	6	1200.2	1625.5	0	0	0	0	0	0
3	Mitchell ,N (Nicholas)	5	0	-425	5	0	-425	0	0	0	0	0	0
3	Mitchell ,N (Nicholas)	5	1276	851	5	1267	851	0	0	0	0	0	0
4	Smith ,A (Ayden)	3	3	425	3	3	425	0	0	0	0	0	0
4	Smith ,A (Ayden)	3	1171.7	1596.7	3	1165.5	1596.7	0	0	0	0	0	0
5	Borriero ,L (Luca)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Borriero ,L (Luca)	3	1342.2	1200.5	3	1340.1	1200.5	0	0	0	0	0	0
6	Coetzer ,H (Hanroux)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Coetzer ,H (Hanroux)	3	1228.3	803.3	3	1271.4	803.3	0	0	0	0	0	0
7	Goosen ,B (Blake)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
7	Goosen ,B (Blake)	3	1245.3	1387	3	1216.4	1387	0	0	0	0	0	0
8	Viljoen ,C (Colton)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
8	Viljoen ,C (Colton)	3	1205.8	1064.1	3	1199	1064.1	0	0	0	0	0	0
9	Verwey ,M (Malan)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
9	Verwey ,M (Malan)	3	1464.3	1322.6	2	1394.9	1039.3	1	1363.1	1889.3	0	0	0
10	Smile ,O (Osakhe)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
10	Smile ,O (Osakhe)	3	1296.7	1155	2	1306.5	871.7	1	1186.5	1721.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sizani, I (Iviwe)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms