Player Page

Gray, Z (Zhakier)
Dob: 2009/05/08 (U16)
Gender: Male
Chess SA id: 1090141757
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/22 (59 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 rating1317.6
Curent Weighted rating1243.6
Curent Weighted performance1303.3
Current official/published rating (highest between Raw, WR and WP)1317.6
Current floor (min rating allowed)817.6
Current highest rating achieved1317.6
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)±140.2
Current Raw change used (final)0.0
Projected new Raw rating1317.6
Projected new Weighed rating1250.4
Projected new Weighted performance1303.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1317.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1317.6
Projected new floor817.6
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 rating1289.8
Curent Weighted rating1226.7
Curent Weighted performance1211.3
Current official/published rating (highest between Raw, WR and WP)1289.8
Current floor (min rating allowed)789.8
Current highest rating achieved1289.8
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)±145.9
Current Raw change used (final)0.0
Projected new Raw rating1289.8
Projected new Weighed rating1232.3
Projected new Weighted performance1211.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1289.8
Projected new floor789.8
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 rating1265.7
Curent Weighted rating1224.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1265.7
Current floor (min rating allowed)765.7
Current highest rating achieved1265.7
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)±151.0
Current Raw change used (final)0.0
Projected new Raw rating1265.7
Projected new Weighed rating1228.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1265.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1265.7
Projected new floor765.7
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)765.7
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 floor765.7
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1262.3 1216.0 Analysis
2 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1262.3 1216.0 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1235.0 1230.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1262.3 1216.0 Analysis
6 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1262.3 1216.0 Analysis
5 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1235.0 1230.8 Analysis
4 Worcester Knock-Out 2023 (U15 Boys) 2023/10/14 2023/10/14 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.5 1223.6 1200.0 Analysis
3 Cape Winelands Schools Prestige 2023 (U15 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 4 1.5 1230.2 1227.9 Analysis
2 Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1212.0 1205.6 Analysis
1 Worcester Primary School League 2022 (U13) 2022/05/21 2022/05/21 Cape Winelands (WCW) Standard 60 0.83 6 6 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 10 0 7 10.0 58.8 75.0 1331.7 1406.7
White 9 6 0 3 6.0 66.7 141.7 1269.8 1411.5
Black 8 4 0 4 4.0 50.0 0.0 1401.4 1401.4
Standard All 11 6 0 5 6.0 54.5 38.6 1366.2 1404.8
White 5 4 0 1 4.0 80.0 255.0 1264.3 1519.3
Black 6 2 0 4 2.0 33.3 -141.7 1451.1 1309.4
Rapid All 6 4 0 2 4.0 66.7 141.7 1268.6 1410.3
White 4 2 0 2 2.0 50.0 0.0 1276.8 1276.8
Black 2 2 0 0 2.0 100.0 425.0 1252.3 1677.3
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 38 20 2 16 21.0 55.3 44.7 1288.0 1332.8
White 21 13 1 7 13.5 64.3 121.4 1252.8 1374.2
Black 17 7 1 9 7.5 44.1 -50.0 1331.5 1281.5
Standard All 26 13 1 12 13.5 51.9 16.3 1303.7 1320.1
White 13 9 0 4 9.0 69.2 163.5 1250.8 1414.3
Black 13 4 1 8 4.5 34.6 -130.8 1356.6 1225.9
Rapid All 12 7 1 4 7.5 62.5 106.3 1254.0 1360.2
White 8 4 1 3 4.5 56.3 53.1 1256.0 1309.1
Black 4 3 0 1 3.0 75.0 212.5 1249.9 1462.4
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 1100101909 Liu, F (Furui) 2 1.0 1 0 1 50.0 1248.7 0.0 1248.7 View list
2 1090097147 Matthys, C (Chadley) 2 0.5 0 1 1 25.0 1221.1 -212.5 1008.6 View list
3 1090192747 Manjati, K (Kamvalatethu) 1 1.0 1 0 0 100.0 1235.0 425.0 1660.0 View list
4 1090151256 Lukas, C (Clive) 1 1.0 1 0 0 100.0 1262.3 425.0 1687.3 View list
5 1090146166 De Beer, B (Ben) 1 1.0 1 0 0 100.0 1235.0 425.0 1660.0 View list
6 1090151236 Binnedell, H (Hendry) 1 1.0 1 0 0 100.0 1235.0 425.0 1660.0 View list
7 109094685 Beveridge, J (Jesse) 1 1.0 1 0 0 100.0 1262.3 425.0 1687.3 View list
8 1090134091 Ellappa, J (Judah) 1 1.0 1 0 0 100.0 1262.3 425.0 1687.3 View list
9 1130141758 Heatley, T (Tom) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 109078327 Hanekom, L (Logan) 1 1.0 1 0 0 100.0 1212.0 425.0 1637.0 View list
11 1090136837 Jacobs, S (Shaquille) 1 1.0 1 0 0 100.0 1262.3 425.0 1687.3 View list
12 2090141768 Pekeur, H (Hope) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1090112285 Sam, L (Lithemba) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1080151266 Spruit, R (Raegan) 1 1.0 1 0 0 100.0 1230.2 425.0 1655.2 View list
15 1090153071 Strumpfer, C (Christiaan) 1 1.0 1 0 0 100.0 1235.0 425.0 1660.0 View list
16 1100139466 Tiemie, J (Jaheim) 1 1.0 1 0 0 100.0 1223.6 425.0 1648.6 View list
17 1080137613 Topp, K (Kelvin) 1 1.0 1 0 0 100.0 1223.6 425.0 1648.6 View list
18 108076768 Van De Vyver, W (Wian) 1 1.0 1 0 0 100.0 1212.0 425.0 1637.0 View list
19 1100162846 Van Rooy, S (Shaynal) 1 1.0 1 0 0 100.0 1262.3 425.0 1687.3 View list
20 1090139705 Visser, D (Denwill) 1 1.0 1 0 0 100.0 1223.6 425.0 1648.6 View list