Player Page

Pearlman, I (Isaac)
Dob: 2009/08/26 (U16)
Gender: Male
Chess SA id: 1090162465
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/01/30 (297 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
Current Raw rating1156.3
Current Weighted rating1164.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1164.3
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±176.5
Current Raw change used (final)0.0
Projected new Raw rating1156.3
Projected new Weighed rating1070.4
Projected new Weighted performance505.4
Projected new final Raw rating (if new WP > new Raw)1156.3
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1156.3
Projected effective change (new Official - current Official)-8.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
s
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 rating1081.2
Current Weighted rating1104.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1104.9
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±196.4
Current Raw change used (final)0.0
Projected new Raw rating1081.2
Projected new Weighed rating1014.3
Projected new Weighted performance532.0
Projected new final Raw rating (if new WP > new Raw)1081.2
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1081.2
Projected effective change (new Official - current Official)-23.7
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Randburg New Year Rapid 2024 2024/01/23 2024/01/30 Johannesburg Metro (GJM) Rapid 25 0.54 6 3 0.0 1163.7 1110.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Randburg New Year Rapid 2024 2024/01/23 2024/01/30 Johannesburg Metro (GJM) Rapid 25 0.54 6 3 0.0 1163.7 1110.4 Analysis
1 Chess Molecules Rapid 2023 (High School Open) 2023/09/23 2023/09/23 Ekurhuleni (GE) Rapid 30 0.60 5 5 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 3 0 0 3 0.0 0.0 -425.0 1510.4 1085.4
White 2 0 0 2 0.0 0.0 -425.0 1467.1 1042.1
Black 1 0 0 1 0.0 0.0 -425.0 1597.1 1172.1
Standard 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
Rapid All 3 0 0 3 0.0 0.0 -425.0 1510.4 1085.4
White 2 0 0 2 0.0 0.0 -425.0 1467.1 1042.1
Black 1 0 0 1 0.0 0.0 -425.0 1597.1 1172.1
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 8 0 0 8 0.0 0.0 -425.0 1400.0 975.0
White 4 0 0 4 0.0 0.0 -425.0 1382.6 957.6
Black 4 0 0 4 0.0 0.0 -425.0 1417.4 992.4
Standard 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
Rapid All 8 0 0 8 0.0 0.0 -425.0 1400.0 975.0
White 4 0 0 4 0.0 0.0 -425.0 1382.6 957.6
Black 4 0 0 4 0.0 0.0 -425.0 1417.4 992.4
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 1090162466 Yaregal, A (Aaron) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
2 1070130027 Uwandu, E (Emmanuel Chidera) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 1130116883 Tak, R (Rannveer) 1 0.0 0 0 1 0.0 1163.7 -425.0 738.7 View list
4 1090147255 Swartz, K (Kent Pierre) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 1100162464 Onatu, G (George) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 2120115959 Mungal, Z (Zoey) 1 0.0 0 0 1 0.0 1163.7 -425.0 738.7 View list
7 1770131185 Molo, S (Sibo) 1 0.0 0 0 1 0.0 1163.7 -425.0 738.7 View list
8 1090105696 Barradas, K (Keanu) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list