Player Page

Ebrahim, Z (Zachary)
Dob: 2008/07/10 (U18)
Gender: Male
Chess SA id: 1080107800
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (119 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 rating1284.7
Curent Weighted rating1298.2
Curent Weighted performance1188.6
Current official/published rating (highest between Raw, WR and WP)1298.2
Current floor (min rating allowed)822.6
Current highest rating achieved1322.6
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)±147.0
Current Raw change used (final)0.0
Projected new Raw rating1284.7
Projected new Weighed rating1297.0
Projected new Weighted performance1188.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.0
Projected effective change (new Official - current Official)-1.2
Projected new highest rating1322.6
Projected new floor822.6
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 rating1275.1
Curent Weighted rating1289.1
Curent Weighted performance1136.4
Current official/published rating (highest between Raw, WR and WP)1289.1
Current floor (min rating allowed)807.5
Current highest rating achieved1307.5
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)±149.0
Current Raw change used (final)0.0
Projected new Raw rating1275.1
Projected new Weighed rating1287.8
Projected new Weighted performance1136.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1287.8
Projected effective change (new Official - current Official)-1.3
Projected new highest rating1307.5
Projected new floor807.5
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 rating1163.6
Curent Weighted rating1152.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1163.6
Current floor (min rating allowed)663.6
Current highest rating achieved1163.6
Current K-factor40
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)±174.6
Current Raw change used (final)0.0
Projected new Raw rating1163.6
Projected new Weighed rating1154.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1163.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1163.6
Projected new floor663.6
Projected new K-facor40
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)663.6
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 floor663.6
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (U16B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1288.8 1274.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 2024 Gauteng Inter-Region Chess Championship (U16B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1288.8 1274.4 Analysis
26 Africawide Chess Championship 2023 (Open) 2023/11/03 2023/11/05 Johannesburg Metro (GJM) Standard 90 0.94 7 6 1.0 1322.6 1307.5 Analysis
25 Lenasia Chess Academy Tournament - Rapid Rated 2023 2023/10/08 2023/10/08 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 2.5 1311.8 1139.6 Analysis
24 Ekhuruleni Chess Trials 1 2023 (U16) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1300.7 1292.0 Analysis
23 Ekurhuleni Soncini Playoffs 2022 (Boys) 2022/09/24 2022/09/24 Ekurhuleni (GE) Rapid 30 0.60 5 0 0.0 1300.7 1139.6 Analysis
22 Alberton Chess Club Open 2022 (B) 2022/07/16 2022/07/16 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1289.3 1278.7 Analysis
21 Ekurhuleni Trials 2 2022 (U16) 2022/05/28 2022/05/28 Ekurhuleni (GE) Standard 62 0.84 5 5 2.5 1292.6 1281.6 Analysis
20 South African Junior Closed Chess Championships 2022 (U14 Open) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 11 4.0 1284.0 1276.6 Analysis
19 2022 Gauteng Interregion (U14 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1285.5 1265.9 Analysis
18 Ekurhuleni Chess Open 2022 (A) 2022/01/07 2022/01/09 Ekurhuleni (GE) Standard 90 0.94 7 6 2.0 1318.0 1279.0 Analysis
17 Ekurhuleni Trials (3) 2021 (U14) 2021/11/06 2021/11/06 Ekurhuleni (GE) Standard 62 0.84 5 5 4.0 1236.7 1221.8 Analysis
16 JMC Everest 2021 (C) 2021/10/30 2021/10/30 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1197.4 1167.1 Analysis
15 Pinnacle College Waterfall Open (Pinnacle) 2021/10/02 2021/10/03 Johannesburg Metro (GJM) Standard 90 0.94 6 5 1.0 1197.4 1167.1 Analysis
14 Ekurhuleni Chess Sochini Trials 2021 (Boys) 2021/09/04 2021/09/04 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.5 1187.9 1200.0 Analysis
13 Ekurhuleni Chess Chessa Open 2021 (B) 2021/03/27 2021/03/27 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.2 1179.3 Analysis
12 Alberton Chess Club Open 2020 (C) 2020/02/22 2020/02/22 Ekurhuleni (GE) Standard 60 0.83 5 3 0.0 1239.0 1225.7 Analysis
11 Springs Chess Club Open 2020 (C) 2020/01/25 2020/01/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1195.2 1170.6 Analysis
10 2019 Wild Card Chess Championship (U12 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 3.5 1195.2 1170.6 Analysis
9 2019 South African Junior Team Championships (U12C) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1195.2 1170.6 Analysis
8 GJM vs GE Inter Region 2019 (U12D) 2019/10/05 2019/10/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.5 1245.1 1232.2 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 1 1 3 1.5 30.0 -170.0 1433.5 1263.5
White 2 0 1 1 0.5 25.0 -212.5 1443.2 1230.7
Black 3 1 0 2 1.0 33.3 -141.7 1427.0 1285.3
Standard All 5 1 1 3 1.5 30.0 -170.0 1433.5 1263.5
White 2 0 1 1 0.5 25.0 -212.5 1443.2 1230.7
Black 3 1 0 2 1.0 33.3 -141.7 1427.0 1285.3
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 140 59 15 66 66.5 47.5 -21.3 1270.0 1248.8
White 67 30 10 27 35.0 52.2 19.0 1274.1 1293.2
Black 73 29 5 39 31.5 43.2 -58.2 1266.3 1208.0
Standard All 130 55 13 62 61.5 47.3 -22.9 1261.7 1238.9
White 63 29 8 26 33.0 52.4 20.2 1262.7 1283.0
Black 67 26 5 36 28.5 42.5 -63.4 1260.8 1197.4
Rapid All 10 4 2 4 5.0 50.0 0.0 1377.8 1377.8
White 4 1 2 1 2.0 50.0 0.0 1454.0 1454.0
Black 6 3 0 3 3.0 50.0 0.0 1327.0 1327.0
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 109091524 Hubbert, C (Connor) 2 1.5 1 1 0 75.0 1172.9 212.5 1385.4 View list
2 1080104946 Pillman, AH (Arthur Hanre) 2 1.5 1 1 0 75.0 1246.0 212.5 1458.5 View list
3 1080107799 Du Toit, J (Jaunre) 2 1.0 1 0 1 50.0 1240.7 0.0 1240.7 View list
4 108082684 De Vries, MA (Andrio) 2 0.5 0 1 1 25.0 1284.8 -212.5 1072.3 View list
5 1730113414 Deysel, R (Ryno) 2 0.5 0 1 1 25.0 1303.7 -212.5 1091.2 View list
6 1080096807 Klinkert, C (Cade) 2 0.5 0 1 1 25.0 1206.1 -212.5 993.6 View list
7 106086008 Swart, Z (Zander) 2 0.5 0 1 1 25.0 1244.7 -212.5 1032.2 View list
8 1080119822 Elvin, D (David) 2 0.0 0 0 2 0.0 1311.7 -425.0 886.7 View list
9 1070107792 Jaitas, K (Kittisak) 2 0.0 0 0 2 0.0 1243.3 -425.0 818.3 View list
10 107088025 Kgwele, D (Ditiro) 2 0.0 0 0 2 0.0 1217.1 -425.0 792.1 View list
11 109083783 Kushar, T (Tristan) 2 0.0 0 0 2 0.0 1292.3 -425.0 867.3 View list
12 109092824 Labuschagne, I (Ivan) 2 0.0 0 0 2 0.0 1260.3 -425.0 835.3 View list
13 109089375 Viljoen, H (Henning) 2 0.0 0 0 2 0.0 1172.9 -425.0 747.9 View list
14 108087013 Addinall, E (Ewald) 1 1.0 1 0 0 100.0 1195.2 425.0 1620.2 View list
15 108092826 Ahrens, C (Conrad) 1 1.0 1 0 0 100.0 1197.4 425.0 1622.4 View list
16 212091698 Chinoruma, K (Kupa) 1 1.0 1 0 0 100.0 1197.4 425.0 1622.4 View list
17 108084451 Cronje, NM (Nicolaas Mattheus) 1 1.0 1 0 0 100.0 1187.9 425.0 1612.9 View list
18 2090101531 De Lange, N (Nadia) 1 1.0 1 0 0 100.0 1163.8 425.0 1588.8 View list
19 1080098200 Carter, D (Dylan) 1 1.0 1 0 0 100.0 1182.1 425.0 1607.1 View list
20 108084884 Bouwer, L (Luan) 1 1.0 1 0 0 100.0 1195.2 425.0 1620.2 View list