Player Page

Lederman, A (Azriel)
Dob: 2012/06/12 (U14)
Gender: Male
Chess SA id: 1120133817
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/01/28 (110 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 rating1265.6
Curent Weighted rating1235.4
Curent Weighted performance1194.8
Current official/published rating (highest between Raw, WR and WP)1265.6
Current floor (min rating allowed)765.6
Current highest rating achieved1265.6
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)±151.0
Current Raw change used (final)0.0
Projected new Raw rating1265.6
Projected new Weighed rating1238.4
Projected new Weighted performance1194.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1265.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1265.6
Projected new floor765.6
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 rating1249.5
Curent Weighted rating1233.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1249.5
Current floor (min rating allowed)749.5
Current highest rating achieved1249.5
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)±154.5
Current Raw change used (final)0.0
Projected new Raw rating1249.5
Projected new Weighed rating1234.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1249.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1249.5
Projected new floor749.5
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 rating1230.8
Curent Weighted rating1199.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1230.8
Current floor (min rating allowed)730.8
Current highest rating achieved1230.8
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)±158.7
Current Raw change used (final)0.0
Projected new Raw rating1230.8
Projected new Weighed rating1203.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1230.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1230.8
Projected new floor730.8
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)730.8
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 floor730.8
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1244.4 1219.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1244.4 1219.3 Analysis
6 Chess Power House Festive Rapid 2023 (Grade 3-7) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 4.0 1212.6 1176.4 Analysis
5 ThinkChess 6 July 2023 2023/07/06 2023/07/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1221.9 1234.8 Analysis
4 JMC Trials 1 - Laerskool Fontainebleau 2022 (U12) 2022/07/24 2022/07/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1215.9 1231.2 Analysis
3 Goforchess Junior Championship 2022 (Grayston) 2022/03/06 2022/03/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1188.7 1200.0 Analysis
2 Pinnacle College Waterfall Open (Pinnacle) 2021/10/02 2021/10/03 Johannesburg Metro (GJM) Standard 90 0.94 6 0 0.0 1188.7 1200.0 Analysis
1 JMC Helpmekaar 2021 (U10) 2021/09/06 2021/09/06 Johannesburg Metro (GJM) Rapid 30 0.60 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1273.0 1358.0
White 2 1 0 1 1.0 50.0 0.0 1264.6 1264.6
Black 3 2 0 1 2.0 66.7 141.7 1278.5 1420.2
Standard All 5 3 0 2 3.0 60.0 85.0 1273.0 1358.0
White 2 1 0 1 1.0 50.0 0.0 1264.6 1264.6
Black 3 2 0 1 2.0 66.7 141.7 1278.5 1420.2
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 30 15 1 14 15.5 51.7 14.2 1281.1 1295.2
White 15 9 0 6 9.0 60.0 85.0 1316.1 1401.1
Black 15 6 1 8 6.5 43.3 -56.7 1246.1 1189.4
Standard All 20 10 0 10 10.0 50.0 0.0 1275.4 1275.4
White 9 5 0 4 5.0 55.6 47.2 1326.4 1373.7
Black 11 5 0 6 5.0 45.5 -38.6 1233.6 1195.0
Rapid All 10 5 1 4 5.5 55.0 42.5 1292.4 1334.9
White 6 4 0 2 4.0 66.7 141.7 1300.5 1442.2
Black 4 1 1 2 1.5 37.5 -106.3 1280.2 1173.9
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 109078830 Johnson, A (Ashar) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
2 1140148601 Bazhko, M (Mikhail) 1 1.0 1 0 0 100.0 1221.9 425.0 1646.9 View list
3 1110143798 Ismael, Z (Ziya) 1 1.0 1 0 0 100.0 1215.9 425.0 1640.9 View list
4 1120119998 Horne, K (Kian Louis) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1140138260 Ma, M (Matthew) 1 1.0 1 0 0 100.0 1244.4 425.0 1669.4 View list
6 1080138224 Chaplin, N (Nicholas) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
7 2150136753 Exarchos, I (Isabella) 1 1.0 1 0 0 100.0 1188.7 425.0 1613.7 View list
8 1110191588 Deng, J (Jinyuan) 1 1.0 1 0 0 100.0 1244.4 425.0 1669.4 View list
9 2110141975 Mlilo, S (Sibongisiwe) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
10 1120156396 Mokote, G (Gito Sipho) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
11 2110143800 Naidoo, D (Dhiya) 1 1.0 1 0 0 100.0 1215.9 425.0 1640.9 View list
12 1120147303 Nkuna, I (Inathi) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
13 2140145623 Parag, A (Aadya) 1 1.0 1 0 0 100.0 1244.4 425.0 1669.4 View list
14 1140148614 Subroyen, J (Jeevesh) 1 1.0 1 0 0 100.0 1221.9 425.0 1646.9 View list
15 1150151775 Van Wyk, P (Paul) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
16 2130133722 Dalal, D (Dhanika) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
17 1090140202 Malebye, T (Tshimega) 1 0.0 0 0 1 0.0 1244.4 -425.0 819.4 View list
18 1100158142 Iya, K (Kajua) 1 0.0 0 0 1 0.0 1221.9 -425.0 796.9 View list
19 1090152468 Kojetin, C (Connor) 1 0.0 0 0 1 0.0 1244.4 -425.0 819.4 View list
20 1110141970 Kingsbury, J (Jack) 1 0.0 0 0 1 0.0 1215.9 -425.0 790.9 View list