Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mbibo, I (Iris)

Chess SA id

2120159620

FIDE id

Date of birth

2012-12-01 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1236.2

Item	Main	Standard	Rapid	Blitz
Rating	1235.2	1243.9	1200	1200
Raw rating	1235.2	1243.9	1200	1200
Weighted rating	1188.9	1187	1200	1200
Weighted performance	1201.1	1203.9	0	0
Floor	735.2	743.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	155.8	165.8	165.8
Highest rating	1235.2 2025-11-01	1243.9 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1235.2 2025-11-01	1243.9 2025-11-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1201.1 2025-11-01	1203.9 2025-11-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1235.2	1243.9	1200	1200
Analysis
Rating	1235.2	1243.9	1200	1200
Raw rating	1235.2	1243.9	1200	1200
Weighted rating	1188.9	1187	1200
Weighted performance	1201.1	1203.9	0
K-factor	36	36	36	36
Floor	735.2	743.9	700	700
Max/Min rating change allowed	157.7	155.8	165.8	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	1235.2	1243.9	1200	1200
New weighted rating	1192.9	1191.9	1200	1200
New weighted performance	1193.6	1196.4	0	0
Temp new rating	1235.2	1243.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.2	1243.9	1200	1200
New K-factor	36	36	36	36
New floor	735.2	743.9	700	700

Item	Main	Standard
	0	0
	8	8
	14	14
	5	5
	0	0
	0	0
History	27	27

Games since
	Main 22	Standard 22		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	8	5.5	68.75	159.4	1237.1	1396.5
Standard	8	5.5	68.75	159.4	1237.1	1396.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	27	13.5	50	0	1204.5	1204.5
Standard	27	13.5	50	0	1204.5	1204.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1235.2	1243.9	1200	1200
2025-09-30	1218.5	1224.1	1200	1200
2025-09-01	1218.5	1224.1	1200	1200
2025-08-01	1179.7	1175.6	1200	1200
2025-07-01	1179.7	1175.6	1200	1200
2025-06-01	1179.7	1175.6	1200	1200
2025-05-01	1179.7	1175.6	1200	1200
2025-04-01	1179.7	1175.6	1200	1200
2025-03-01	1179.7	1175.6	1200	1200
2025-02-01	1178.8	1174.5	1200	1200
2025-01-01	1161.2	1153.9	1200	1200
2024-12-01	1161.2	1153.9	1200	1200
2024-11-01	1169.3	1162.2	1200	1200
2024-10-01	1184.2	1180.6	1200	1200
2024-09-01	1184.2	1180.6	1200	1200
2024-08-01	1184.5	1181.3	1200	1200
2024-07-01	1184.5	1181.3	1200	1200
2024-09-01	1184.5	1181.3	1200	1200
2024-05-01	1184.5	1181.3	1200	1200
2024-04-01	1184.5	1181.3	1200	1200
2024-03-01	1184.5	1181.3	1200	1200
2024-02-01	1184.5	1181.3	1200	1200
2024-01-01	1184.5	1181.3	1200	1200
2023-12-01	1184.5	1181.3	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	2025 Gauteng Top Schools Teams (U13 Girls)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis
2	2025 Gauteng North School District CLOSED League Finals - D1 (U13 Girls)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U13 Girls)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis
2	2025 Gauteng North School District CLOSED League Finals - D1 (U13 Girls)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
3	Lardies Ope 2024 (C)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	Gauteng Top Schools 2024 (U13 Girls)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	D1 Gauteng North District School Closed 2024 (U13 Girls)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
6	2023 Gauteng North School District CLOSED League Championships (D1)	2023-08-05	2023-08-05	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-29	rnd 4	type Standard	result 1	date 2025-08-29	rnd 5	type Standard	result 1
		Opponent Matuba, K (Katleho)				Opponent Khuphe, T (Thabisile)
2	2	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-15	rnd 5	type Standard	result 1	date 2025-08-29	rnd 1	type Standard	result 0.5
		Opponent Shawa, B (Buang)				Opponent Smith, A (Amore)
3	2	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mahlangu, B (Banele)				Opponent Mampuru, A (Amogelang)

#	Games	Start				End
1	2	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mahlangu, B (Banele)				Opponent Mampuru, A (Amogelang)
2	2	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 3	type Standard	result 1	date 2024-10-26	rnd 4	type Standard	result 1
		Opponent Dlamini, N (Nkosenhle)				Opponent Pretorius, C (Cornelia)
3	2	Tournament D1 Gauteng North District School Closed 2024				Tournament D1 Gauteng North District School Closed 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Grobler, D (Denicke)				Opponent Mokobi, T (Tshiamo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mahlangu, B (Banele)				Opponent Mampuru, A (Amogelang)
2	2	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 3	type Standard	result 1	date 2024-10-26	rnd 4	type Standard	result 1
		Opponent Dlamini, N (Nkosenhle)				Opponent Pretorius, C (Cornelia)
3	2	Tournament D1 Gauteng North District School Closed 2024				Tournament D1 Gauteng North District School Closed 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Grobler, D (Denicke)				Opponent Mokobi, T (Tshiamo)

#	Games	Start				End
1	2	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mahlangu, B (Banele)				Opponent Mampuru, A (Amogelang)
2	2	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 3	type Standard	result 1	date 2024-10-26	rnd 4	type Standard	result 1
		Opponent Dlamini, N (Nkosenhle)				Opponent Pretorius, C (Cornelia)
3	2	Tournament D1 Gauteng North District School Closed 2024				Tournament D1 Gauteng North District School Closed 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Grobler, D (Denicke)				Opponent Mokobi, T (Tshiamo)

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	De Jager ,Z (Zannicka)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	De Jager ,Z (Zannicka)	1	1226.1	801.1	1	1234	801.1	0	0	0	0	0	0
2	Moimana ,A (Amogelang)	1	1	425	1	1	425	0	0	0	0	0	0
2	Moimana ,A (Amogelang)	1	1216.1	1641.1	1	1219.4	1641.1	0	0	0	0	0	0
3	Shawa ,B (Buang)	1	1	425	1	1	425	0	0	0	0	0	0
3	Shawa ,B (Buang)	1	1199.6	1624.6	1	1199.5	1624.6	0	0	0	0	0	0
4	Njotini ,X (Xhanti)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Njotini ,X (Xhanti)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Khuphe ,T (Thabisile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Khuphe ,T (Thabisile)	1	1186.5	1611.5	1	1182.6	1611.5	0	0	0	0	0	0
6	Van Der Westhuizen ,S (Samuel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Westhuizen ,S (Samuel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Dlamini ,N (Nkosenhle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dlamini ,N (Nkosenhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Maphosa ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maphosa ,M (Mpho)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Smith ,A (Amore)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Smith ,A (Amore)	1	1332.6	1332.6	1	1357.1	1332.6	0	0	0	0	0	0
10	Thobela ,S (Sibusiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thobela ,S (Sibusiso)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mbibo, I (Iris)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms