Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Mbibo, I (Iris)
Dob:
2012/12/01 (U14)
Gender:
Female
Chess SA id:
2120159620
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/10/26 (38 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1161.2
Current Weighted rating
1182.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.9
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±175.2
Current Raw change used (final)
0.0
Projected new Raw rating
1161.2
Projected new Weighed rating
1087.9
Projected new Weighted performance
1002.8
Projected new final Raw rating (if new WP > new Raw)
1161.2
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1161.2
Projected effective change (new Official - current Official)
-21.7
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1153.9
Current Weighted rating
1179.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1179.3
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±177.1
Current Raw change used (final)
0.0
Projected new Raw rating
1153.9
Projected new Weighed rating
1084.5
Projected new Weighted performance
1002.8
Projected new final Raw rating (if new WP > new Raw)
1153.9
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.9
Projected effective change (new Official - current Official)
-25.4
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Lardies Ope 2024 (C)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1169.3
1162.2
Analysis
2
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1184.2
1180.6
Analysis
1
D1 Gauteng North District School Closed 2024 (U13 Girls)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1184.5
1181.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Lardies Ope 2024 (C)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1169.3
1162.2
Analysis
3
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1184.2
1180.6
Analysis
2
D1 Gauteng North District School Closed 2024 (U13 Girls)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1184.5
1181.3
Analysis
1
2023 Gauteng North School District CLOSED League Championships (D1) (U11)
2023/08/05
2023/08/05
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
6
0
8
6.0
42.9
-60.7
1186.6
1125.9
White
6
3
0
3
3.0
50.0
0.0
1192.9
1192.9
Black
8
3
0
5
3.0
37.5
-106.3
1181.9
1075.6
Standard
All
14
6
0
8
6.0
42.9
-60.7
1186.6
1125.9
White
6
3
0
3
3.0
50.0
0.0
1192.9
1192.9
Black
8
3
0
5
3.0
37.5
-106.3
1181.9
1075.6
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
19
8
0
11
8.0
42.1
-67.1
1190.8
1123.7
White
9
4
0
5
4.0
44.4
-47.2
1195.3
1148.0
Black
10
4
0
6
4.0
40.0
-85.0
1186.8
1101.8
Standard
All
19
8
0
11
8.0
42.1
-67.1
1190.8
1123.7
White
9
4
0
5
4.0
44.4
-47.2
1195.3
1148.0
Black
10
4
0
6
4.0
40.0
-85.0
1186.8
1101.8
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120313116
Dlamini, N (Nkosenhle)
1
1.0
1
0
0
100.0
1169.3
425.0
1594.3
View list
2
2140304416
Grobler, D (Denicke)
1
1.0
1
0
0
100.0
1184.5
425.0
1609.5
View list
3
2120312130
Maphosa, M (Mpho)
1
1.0
1
0
0
100.0
1184.2
425.0
1609.2
View list
4
1140156214
Moimana, A (Amogelang)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2120304513
Mokobi, T (Tshiamo)
1
1.0
1
0
0
100.0
1184.5
425.0
1609.5
View list
6
2140160325
Pretorius, C (Cornelia)
1
1.0
1
0
0
100.0
1169.3
425.0
1594.3
View list
7
2140144858
Venter, A (Amile)
1
1.0
1
0
0
100.0
1184.2
425.0
1609.2
View list
8
1140159639
Van Der Westhuizen, S (Samuel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1130159640
Zando, M (Musa)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1120313123
Thobela, S (Sibusiso)
1
0.0
0
0
1
0.0
1169.3
-425.0
744.3
View list
11
2140135778
Sutherland, K (Kiona)
1
0.0
0
0
1
0.0
1184.2
-425.0
759.2
View list
12
1110313120
Njotini, X (Xhanti)
1
0.0
0
0
1
0.0
1169.3
-425.0
744.3
View list
13
1130142890
Naidoo, T (Tristan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1120313118
Mokalapa, J (Junior)
1
0.0
0
0
1
0.0
1169.3
-425.0
744.3
View list
15
2110304511
Memela, M (Mbali)
1
0.0
0
0
1
0.0
1184.5
-425.0
759.5
View list
16
2120156039
Mahlangu, K (Karabo)
1
0.0
0
0
1
0.0
1184.5
-425.0
759.5
View list
17
1130159610
Madithapa, M (Mosa)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1120311868
Gabriel, M (Mishka)
1
0.0
0
0
1
0.0
1184.2
-425.0
759.2
View list
19
2110312122
Botha, K (Kaylynn)
1
0.0
0
0
1
0.0
1184.2
-425.0
759.2
View list