Chess South Africa
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Chess South Africa
Pereira, I (Isabella)
Dob:
2012/07/19 (U14)
Gender:
Female
Chess SA id:
2120140245
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (29 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
Curent Raw rating
1205.6
Curent Weighted rating
1251.4
Curent Weighted performance
1053.9
Current official/published rating (highest between Raw, WR and WP)
1251.4
Current floor (min rating allowed)
768.6
Current highest rating achieved
1268.6
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.6
Projected new Weighed rating
1248.6
Projected new Weighted performance
1053.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1248.6
Projected effective change (new Official - current Official)
-2.7
Projected new highest rating
1268.6
Projected new floor
768.6
Projected new K-facor
36
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
Curent Raw rating
1199.7
Curent Weighted rating
1258.8
Curent Weighted performance
1051.2
Current official/published rating (highest between Raw, WR and WP)
1258.8
Current floor (min rating allowed)
779.3
Current highest rating achieved
1279.3
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)
±165.9
Current Raw change used (final)
0.0
Projected new Raw rating
1199.7
Projected new Weighed rating
1255.2
Projected new Weighted performance
1051.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1255.2
Projected effective change (new Official - current Official)
-3.7
Projected new highest rating
1279.3
Projected new floor
779.3
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 D2 Schools Individuals (U13 Girls)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1268.6
1279.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
2024 D2 Schools Individuals (U13 Girls)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1268.6
1279.3
Analysis
4
D2 School League Finals 2023 (U11)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1254.3
1264.2
Analysis
3
Gauteng Schools Individual Finals 2023 (U11 Girls)
2023/05/26
2023/05/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1208.0
1208.8
Analysis
2
D2 Schools Individuals 2023 (U11 Girls)
2023/05/13
2023/05/13
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1208.0
1208.8
Analysis
1
D2 Schools Individuals 2022 (U11 Girls)
2022/05/07
2022/05/07
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
0
4
1.0
20.0
-255.0
1158.5
903.5
White
2
0
0
2
0.0
0.0
-425.0
1133.8
708.8
Black
3
1
0
2
1.0
33.3
-141.7
1174.9
1033.2
Standard
All
5
1
0
4
1.0
20.0
-255.0
1158.5
903.5
White
2
0
0
2
0.0
0.0
-425.0
1133.8
708.8
Black
3
1
0
2
1.0
33.3
-141.7
1174.9
1033.2
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
25
12
2
11
13.0
52.0
17.0
1209.1
1226.1
White
10
7
1
2
7.5
75.0
212.5
1211.3
1423.8
Black
15
5
1
9
5.5
36.7
-113.3
1207.7
1094.4
Standard
All
25
12
2
11
13.0
52.0
17.0
1209.1
1226.1
White
10
7
1
2
7.5
75.0
212.5
1211.3
1423.8
Black
15
5
1
9
5.5
36.7
-113.3
1207.7
1094.4
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
2110140251
Tlhale, R (Reatile)
2
1.0
1
0
1
50.0
1234.3
0.0
1234.3
View list
2
2130156257
Sidino, K (Kamogelo Candy)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
3
2110158453
Maree, L (Leane)
1
1.0
1
0
0
100.0
1268.6
425.0
1693.6
View list
4
2130144995
Marais, M (Mia)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
5
2120155219
Mokgoko, G (Gontse)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
6
2120158402
Mogale, A (Amogelang)
1
1.0
1
0
0
100.0
1254.3
425.0
1679.3
View list
7
1120156226
Breet, L (Liam)
1
1.0
1
0
0
100.0
1254.3
425.0
1679.3
View list
8
2130155225
Mynhardt, S (Shenique)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
9
2120156254
Ramalepa, M (Matshidiso)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
10
2120135850
Phetu, N (Nompumelelo)
1
1.0
1
0
0
100.0
1254.3
425.0
1679.3
View list
11
2130150825
Benson, L (Lana)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
12
2120140253
Tyolo, L (Lindelwa)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
2110140250
Sebelemetja, BF (Bathabile Faith)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
14
2120155234
Smith, A (Amore)
1
0.5
0
1
0
50.0
1208.0
0.0
1208.0
View list
15
1120149248
Smith, K (Kyle)
1
0.0
0
0
1
0.0
1254.3
-425.0
829.3
View list
16
2130155232
Sididzha, M (Mukhethwa)
1
0.0
0
0
1
0.0
1208.0
-425.0
783.0
View list
17
2120155051
Padi, K (Karabo)
1
0.0
0
0
1
0.0
1208.0
-425.0
783.0
View list
18
2110140242
Mokotedi, M (Mapule)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
2110156293
Boltini, I (Imange)
1
0.0
0
0
1
0.0
1268.6
-425.0
843.6
View list
20
2110100231
Miya, MT (Minentle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list