Player Page

Human, Z (Zachariah)
Dob: 2012/02/19 (U14)
Gender: Male
Chess SA id: 1120153447
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/10/26 (26 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 rating1330.4
Current Weighted rating1235.6
Current Weighted performance1289.7
Current official/published rating (highest between Raw, WR and WP)1330.4
Current highest rating achieved1331.1
Current floor (min rating allowed)831.1
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.28
Difference (S-We)0.60
Current Raw change (no limits, including tournament time weight)21.5
Current min/max change allowed (with limits)±137.7
Current Raw change used (final)21.5
Projected new Raw rating1351.9
Projected new Weighed rating1138.9
Projected new Weighted performance1349.5
Projected new final Raw rating (if new WP > new Raw)1351.9
Projected new highest rating1351.9
Projected new floor851.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1351.9
Projected effective change (new Official - current Official)+21.5
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 rating1332.7
Current Weighted rating1230.8
Current Weighted performance1289.7
Current official/published rating (highest between Raw, WR and WP)1332.7
Current highest rating achieved1332.7
Current floor (min rating allowed)832.7
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.31
Difference (S-We)0.69
Current Raw change (no limits, including tournament time weight)24.8
Current min/max change allowed (with limits)±137.3
Current Raw change used (final)24.8
Projected new Raw rating1357.5
Projected new Weighed rating1134.5
Projected new Weighted performance1349.5
Projected new final Raw rating (if new WP > new Raw)1357.5
Projected new highest rating1357.5
Projected new floor857.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1357.5
Projected effective change (new Official - current Official)+24.8
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
Tournament: Lardies Ope 2024 (B)
Start: 2024/10/26  End: 2024/10/26  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1330.4  Rating gain/loss: 21.5
Type rating: 1332.7  Rating gain/loss: 24.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 Lardies Ope 2024 (B) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1330.4 1332.7 Analysis
9 D1 Gauteng North District School Closed 2024 (U13) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1314.0 1311.5 Analysis
8 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1331.1 1326.6 Analysis
7 2024 Gauteng North School District Individual Championships - D1 (U13 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1263.0 1256.0 Analysis
6 2024 Milos Ristic Open Chess Tournament (U14) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1220.2 1212.5 Analysis
5 2024 Lubowski Open Chess Tournament (D2) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1174.1 1168.7 Analysis
4 2024 Chris Greyling Open Chess Tournament (D1) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1174.1 1168.7 Analysis
3 2024 Tshwane Chess AHS Open Chess Tournament (D2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1179.4 1175.3 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (D1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1112.2 1102.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1112.2 1102.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Lardies Ope 2024 (B) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1330.4 1332.7 Analysis
16 D1 Gauteng North District School Closed 2024 (U13) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1314.0 1311.5 Analysis
15 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1331.1 1326.6 Analysis
14 2024 Gauteng North School District Individual Championships - D1 (U13 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1263.0 1256.0 Analysis
13 2024 Milos Ristic Open Chess Tournament (U14) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1220.2 1212.5 Analysis
12 2024 Lubowski Open Chess Tournament (D2) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1174.1 1168.7 Analysis
11 2024 Chris Greyling Open Chess Tournament (D1) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1174.1 1168.7 Analysis
10 2024 Tshwane Chess AHS Open Chess Tournament (D2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1179.4 1175.3 Analysis
9 2024 Tshwane Chess OPEN Registration Tournament (D1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1112.2 1102.1 Analysis
8 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1112.2 1102.1 Analysis
7 2023 Gauteng Noord (D) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1106.3 1092.0 Analysis
6 2023 Tuks Open Chess Tournament (D) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1106.3 1092.0 Analysis
5 2023 Alekhine Open Tournament (D) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1166.9 1156.4 Analysis
4 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1173.7 1162.5 Analysis
3 2023 Mid Gauteng Open Tournament (D) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1190.1 1185.2 Analysis
2 2023 Milos Ristic Open Tournament (D2) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
1 Silver Lakes Open Chess Tournament (D) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 52 31 0 21 31.0 59.6 81.7 1234.3 1316.0
White 27 15 0 12 15.0 55.6 47.2 1243.8 1291.0
Black 25 16 0 9 16.0 64.0 119.0 1224.1 1343.1
Standard All 52 31 0 21 31.0 59.6 81.7 1234.3 1316.0
White 27 15 0 12 15.0 55.6 47.2 1243.8 1291.0
Black 25 16 0 9 16.0 64.0 119.0 1224.1 1343.1
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 88 45 1 42 45.5 51.7 14.5 1213.9 1228.4
White 46 25 0 21 25.0 54.3 37.0 1228.8 1265.8
Black 42 20 1 21 20.5 48.8 -10.1 1197.5 1187.4
Standard All 88 45 1 42 45.5 51.7 14.5 1213.9 1228.4
White 46 25 0 21 25.0 54.3 37.0 1228.8 1265.8
Black 42 20 1 21 20.5 48.8 -10.1 1197.5 1187.4
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 1120300007 Labuscagne, W (Waldo) 2 2.0 2 0 0 100.0 1197.2 425.0 1622.2 View list
2 2140143071 Haupt, A (Abigail) 2 1.0 1 0 1 50.0 1183.5 0.0 1183.5 View list
3 2110144055 Segalo, O (Ogone) 2 1.0 1 0 1 50.0 1195.0 0.0 1195.0 View list
4 1130131228 Visser, A (Aaron) 2 0.0 0 0 2 0.0 1170.3 -425.0 745.3 View list
5 1120154196 Badenhorst, P (Phillip) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2140149175 Boshoff, M (Milah) 1 1.0 1 0 0 100.0 1106.3 425.0 1531.3 View list
7 1120302676 Cooke, W (William) 1 1.0 1 0 0 100.0 1220.2 425.0 1645.2 View list
8 2120109364 Gruenenfelder, E (Ellie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1110133020 Jacobs, E (Elai) 1 1.0 1 0 0 100.0 1190.1 425.0 1615.1 View list
10 1120133904 Fokker, CD (Christiaan Dirk) 1 1.0 1 0 0 100.0 1220.2 425.0 1645.2 View list
11 2140155741 Akole, S (Sara) 1 1.0 1 0 0 100.0 1330.4 425.0 1755.4 View list
12 2120306211 Kemunto, F (Felinda) 1 1.0 1 0 0 100.0 1331.1 425.0 1756.1 View list
13 1120306213 Kibui, M (Mike) 1 1.0 1 0 0 100.0 1331.1 425.0 1756.1 View list
14 1110119616 Kruger, J (Jason) 1 1.0 1 0 0 100.0 1330.4 425.0 1755.4 View list
15 1090097848 Kubheka, T (Thando) 1 1.0 1 0 0 100.0 1106.3 425.0 1531.3 View list
16 1120152733 Le Roux, E (Etienne) 1 1.0 1 0 0 100.0 1173.7 425.0 1598.7 View list
17 1140144840 Lekalakala, R (Realeboga Blessings) 1 1.0 1 0 0 100.0 1174.1 425.0 1599.1 View list
18 1130152985 Lombard, R (Reece) 1 1.0 1 0 0 100.0 1112.2 425.0 1537.2 View list
19 1130159610 Madithapa, M (Mosa) 1 1.0 1 0 0 100.0 1314.0 425.0 1739.0 View list
20 1120304448 Makopo, D (Dikano) 1 1.0 1 0 0 100.0 1263.0 425.0 1688.0 View list