Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sizani, I (Iviwe)

Chess SA id

2160312678

FIDE id

534014195

Date of birth

2016-11-06 (U12)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

2025-07-14

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1511.3	1493.4	1275.5	1200
Raw rating	1457.5	1443	1275.5	1200
Weighted rating	1277.2	1261.7	1215.4	1200
Weighted performance	1511.3	1493.4	0	0
Floor	957.5	943	775.5	700
K-factor	32	32	36	36
Min/Max rating change allowed	114.9	117.3	148.9	165.8
Highest rating	1511.3 2026-01-01	1493.4 2026-01-01	1275.5 2025-11-30	1200 2024-10-01
Highest raw rating	1457.5 2026-01-01	1443 2026-01-01	1275.5 2025-11-30	1200 2024-10-01
Highest weighted rating	1277.2 2026-01-01	1261.7 2026-01-01	1209.6 2025-11-30	1200 2024-10-01
Highest weighted performance	1511.3 2026-01-01	1493.4 2026-01-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10	-9.9	0	0
New rating	1501.3	1483.5	1275.5	1200
Analysis
Rating	1511.3	1493.4	1275.5	1200
Raw rating	1457.5	1443	1275.5	1200
Weighted rating	1277.2	1261.7	1215.4
Weighted performance	1511.3	1493.4	0
K-factor	32	32	36	36
Floor	957.5	943	775.5	700
Max/Min rating change allowed	114.9	117.3	148.9	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	1457.5	1443	1275.5	1200
New weighted rating	1294.4	1278.3	1221	1200
New weighted performance	1501.3	1483.5	0	0
Temp new rating	1501.3	1483.5	1275.5	1200
Temp new rating +/-	-10	-9.9	0	0
Final new rating +/-	-10	-9.9	0	0
New rating	1501.3	1483.5	1275.5	1200
New K-factor	32	32	36	36
New floor	957.5	943	775.5	700

Item	Main	Standard	Rapid
	0	0	0
	81	69	12
	3	0	3
	0	0	0
	0	0	0
	0	0	0
History	84	69	15

Games since
	Main 84	Standard 69		Rapid 15		Blitz 0
Gender	Female
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2122		265		95
Female	344		39		13
U10	137		17		8
U10 Female	16		4		2
Standard
	RSA		Province		Region
Overall	2363		297		100
Female	425		49		16
U10	170		21		8
U10 Female	24		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	81	40.5	50	0	1288.6	1288.6
Standard	69	33	47.83	-18.5	1275.4	1256.9
Rapid	12	7.5	62.5	106.2	1364.2	1470.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	84	41.5	49.4	-5.1	1281.3	1276.2
Standard	69	33	47.83	-18.5	1275.4	1256.9
Rapid	15	8.5	56.67	56.7	1308.4	1365.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1457.5	1443	1275.5	1200
2025-11-30	1387.9	1339.3	1275.5	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	2025 Mzansi Individual Championships (U10 Girls)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
3	St Thomas Future Masters Challenge 2025 (Grade 4-7)	2025-11-29	2025-11-29	Rapid	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
4	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
5	EC Closed 2025 (U8+U10 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
6	FIDE in the Bay 2025 (U12)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
7	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	3	1	Yes	Analysis
8	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
9	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	3	2.5	Yes	Analysis
10	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	5	Yes	Analysis
11	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	0.5	Yes	Analysis
12	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
13	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis
14	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
15	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
16	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
17	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
18	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
19	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
20	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	Borriero ,L (Luca)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Borriero ,L (Luca)	3	1342.2	1200.5	3	1340.1	1200.5	0	0	0	0	0	0
5	Coetzer ,H (Hanroux)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Coetzer ,H (Hanroux)	3	1228.3	803.3	3	1271.4	803.3	0	0	0	0	0	0
6	Goosen ,B (Blake)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Goosen ,B (Blake)	3	1245.3	1387	3	1216.4	1387	0	0	0	0	0	0
7	Viljoen ,C (Colton)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	Viljoen ,C (Colton)	3	1205.8	1064.1	3	1199	1064.1	0	0	0	0	0	0
8	Smith ,A (Ayden)	3	3	425	3	3	425	0	0	0	0	0	0
8	Smith ,A (Ayden)	3	1171.7	1596.7	3	1165.5	1596.7	0	0	0	0	0	0
9	Smile ,O (Osakhe)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
9	Smile ,O (Osakhe)	3	1296.7	1155	2	1306.5	871.7	1	1186.5	1721.7	0	0	0
10	Kapp ,A (Amelie)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
10	Kapp ,A (Amelie)	3	1515	1373.3	2	1479.1	1515	1	1195.4	1090	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sizani, I (Iviwe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms