Player Page

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
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 rating1205.6
Curent Weighted rating1251.4
Curent Weighted performance1053.9
Current official/published rating (highest between Raw, WR and WP)1251.4
Current floor (min rating allowed)768.6
Current highest rating achieved1268.6
Current K-factor36
Games played this month0
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 rating1205.6
Projected new Weighed rating1248.6
Projected new Weighted performance1053.9
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 rating1268.6
Projected new floor768.6
Projected new K-facor36
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 rating1199.7
Curent Weighted rating1258.8
Curent Weighted performance1051.2
Current official/published rating (highest between Raw, WR and WP)1258.8
Current floor (min rating allowed)779.3
Current highest rating achieved1279.3
Current K-factor36
Games played this month0
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 rating1199.7
Projected new Weighed rating1255.2
Projected new Weighted performance1051.2
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 rating1279.3
Projected new floor779.3
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
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 rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
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 rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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