Player Page

Zhang, L (Leonard)
Dob: 2012/02/09 (U14)
Gender: Male
Chess SA id: 1120112149
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/06/10 (531 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 rating1371.7
Current Weighted rating1371.5
Current Weighted performance735.2
Current official/published rating (highest between Raw, WR and WP)1371.7
Current highest rating achieved1371.7
Current floor (min rating allowed)871.7
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)±129.8
Current Raw change used (final)0.0
Projected new Raw rating1371.7
Projected new Weighed rating1261.8
Projected new Weighted performance735.2
Projected new final Raw rating (if new WP > new Raw)1371.7
Projected new highest rating1371.7
Projected new floor871.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1371.7
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 rating1364.8
Current Weighted rating1364.8
Current Weighted performance735.2
Current official/published rating (highest between Raw, WR and WP)1364.8
Current highest rating achieved1364.8
Current floor (min rating allowed)864.8
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)±131.1
Current Raw change used (final)0.0
Projected new Raw rating1364.8
Projected new Weighed rating1255.6
Projected new Weighted performance735.2
Projected new final Raw rating (if new WP > new Raw)1364.8
Projected new highest rating1364.8
Projected new floor864.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1364.8
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 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
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 GoForChess Junior Chess Championship 2023 (Senior) 2023/06/10 2023/06/10 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1369.3 1364.4 Analysis
7 2019 Wild Card Chess Championship (U8 Open+Girls) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 4.5 1254.4 1259.9 Analysis
6 2019 South African Junior Team Championships (U8B+U8Girls) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 5.0 1254.4 1259.9 Analysis
5 GoForChess Junior Championships 2019 (U8) 2019/11/16 2019/11/16 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1227.2 1229.3 Analysis
4 JHB Metro Closed 2019 (U8) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1210.3 1212.0 Analysis
3 GoForChess Junior Chess Championships 2019 (U8) 2019/06/09 2019/06/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1177.8 1171.6 Analysis
2 JNW Club - Charterhouse Open 2019 (F) 2019/04/13 2019/04/13 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.5 1200.0 1200.0 Analysis
1 GoForChess SAHETI Introduction To Chess 2019 (B) 2019/04/06 2019/04/06 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 42 23 5 14 25.5 60.7 91.1 1242.0 1333.1
White 20 11 3 6 12.5 62.5 106.3 1269.5 1375.8
Black 22 12 2 8 13.0 59.1 77.3 1217.0 1294.3
Standard All 42 23 5 14 25.5 60.7 91.1 1242.0 1333.1
White 20 11 3 6 12.5 62.5 106.3 1269.5 1375.8
Black 22 12 2 8 13.0 59.1 77.3 1217.0 1294.3
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 1120109893 Buchalter, S (Shane) 3 2.0 2 0 1 66.7 1227.2 141.7 1368.9 View list
2 2120109902 Suresh, A (Aaradhya) 3 1.5 1 1 1 50.0 1196.0 0.0 1196.0 View list
3 1120115958 Bazhko, A (Anton) 2 1.0 1 0 1 50.0 1194.0 0.0 1194.0 View list
4 1120116573 Ansley, T (Tristan) 1 1.0 1 0 0 100.0 1210.3 425.0 1635.3 View list
5 1080109892 Balassis, P (Petro) 1 1.0 1 0 0 100.0 1369.3 425.0 1794.3 View list
6 1130109891 Gerson, F (Frans) 1 1.0 1 0 0 100.0 1177.8 425.0 1602.8 View list
7 2120108352 De Swardt, M (Mieke) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
8 1120111448 Crone, J (Judah) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
9 1100115940 Carapinha, J (Joao) 1 1.0 1 0 0 100.0 1369.3 425.0 1794.3 View list
10 1120119825 Koumbounis, H (Harry) 1 1.0 1 0 0 100.0 1227.2 425.0 1652.2 View list
11 1120112314 Joubert, D (Daniel) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
12 2120108315 Hoek, L (Lore) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1120098503 Heunis, F (Fourie) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
14 1120119827 Lappin, B (Blaine) 1 1.0 1 0 0 100.0 1227.2 425.0 1652.2 View list
15 2110157301 Moodley, T (Tinesha) 1 1.0 1 0 0 100.0 1369.3 425.0 1794.3 View list
16 1120099611 Pedley, G (Geoffrey) 1 1.0 1 0 0 100.0 1227.2 425.0 1652.2 View list
17 1120111803 Retief, A (Antonie) 1 1.0 1 0 0 100.0 1210.3 425.0 1635.3 View list
18 1120112288 Robertson, J (Jonah) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
19 1120107185 Steyn, H (Henco) 1 1.0 1 0 0 100.0 1254.4 425.0 1679.4 View list
20 2120109901 Tsai, M (Ming) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list