Player Page

Sierra, C (Cj)
Dob: 2009/04/06 (U16)
Gender: Male
Chess SA id: 1090152037
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (36 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 rating1333.9
Current Weighted rating1293.8
Current Weighted performance1259.0
Current official/published rating (highest between Raw, WR and WP)1333.9
Current highest rating achieved1333.9
Current floor (min rating allowed)833.9
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)±137.0
Current Raw change used (final)0.0
Projected new Raw rating1333.9
Projected new Weighed rating1192.5
Projected new Weighted performance1259.0
Projected new final Raw rating (if new WP > new Raw)1333.9
Projected new highest rating1333.9
Projected new floor833.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1333.9
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 rating1334.9
Current Weighted rating1296.2
Current Weighted performance1259.0
Current official/published rating (highest between Raw, WR and WP)1334.9
Current highest rating achieved1334.9
Current floor (min rating allowed)834.9
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)±136.8
Current Raw change used (final)0.0
Projected new Raw rating1334.9
Projected new Weighed rating1194.7
Projected new Weighted performance1259.0
Projected new final Raw rating (if new WP > new Raw)1334.9
Projected new highest rating1334.9
Projected new floor834.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1334.9
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Curro Chess Tournament 2024 (U16) 2024/05/18 2024/05/18 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1321.2 1321.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Curro Chess Tournament 2024 (U16) 2024/05/18 2024/05/18 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1321.2 1321.9 Analysis
5 Trac N4 Mbombela Chess Tournament 2023 (U18) 2023/09/09 2023/09/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1249.3 1254.0 Analysis
4 White River Primary 2023 (U16) 2023/07/21 2023/07/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1270.8 1281.0 Analysis
3 Robbies 2023 (U16) 2023/05/11 2023/05/11 Ehlanzeni (MEN) Standard 63 0.84 5 4 3.0 1253.0 1261.9 Analysis
2 Oikos Chess Tournament 2023 (U20) 2023/03/11 2023/03/11 Ehlanzeni (MEN) Standard 63 0.84 5 3 2.0 1230.6 1236.0 Analysis
1 Uplands Chess Tournament 2023 (U16) 2023/02/25 2023/02/25 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.5 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 1300.2 1385.2
White 2 1 0 1 1.0 50.0 0.0 1227.0 1227.0
Black 3 2 0 1 2.0 66.7 141.7 1348.9 1490.6
Standard All 5 3 0 2 3.0 60.0 85.0 1300.2 1385.2
White 2 1 0 1 1.0 50.0 0.0 1227.0 1227.0
Black 3 2 0 1 2.0 66.7 141.7 1348.9 1490.6
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 27 17 1 9 17.5 64.8 125.9 1238.6 1364.5
White 13 10 1 2 10.5 80.8 261.5 1206.7 1468.3
Black 14 7 0 7 7.0 50.0 0.0 1268.1 1268.1
Standard All 27 17 1 9 17.5 64.8 125.9 1238.6 1364.5
White 13 10 1 2 10.5 80.8 261.5 1206.7 1468.3
Black 14 7 0 7 7.0 50.0 0.0 1268.1 1268.1
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2090132287 Sibiya, A (Alwande) 3 1.0 1 0 2 33.3 1227.9 -141.7 1086.2 View list
2 1090156697 Mokhwana, A (Austin) 1 1.0 1 0 0 100.0 1270.8 425.0 1695.8 View list
3 2060102919 Mkhwanazi, N (Nqobile) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
4 1070162258 Mkhatshwa, N (Nomonde) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
5 1100300628 Mkhabela, V (Valencia) 1 1.0 1 0 0 100.0 1321.2 425.0 1746.2 View list
6 1090304822 Mbhokodo, S (Solomon) 1 1.0 1 0 0 100.0 1321.2 425.0 1746.2 View list
7 1080144378 Marakalla, K (Kago) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
8 1090156696 Makamo, M (Mihla) 1 1.0 1 0 0 100.0 1253.0 425.0 1678.0 View list
9 2080156695 Machel, N (Neryssa) 1 1.0 1 0 0 100.0 1253.0 425.0 1678.0 View list
10 1080097869 Mabuza, B (Bayanda) 1 1.0 1 0 0 100.0 1270.8 425.0 1695.8 View list
11 1000145015 Khumalo, S (Shaun) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1050162246 Khoza, N (Ndumiso) 1 1.0 1 0 0 100.0 1249.3 425.0 1674.3 View list
13 1090304819 Gxamza, K (Khaya) 1 1.0 1 0 0 100.0 1321.2 425.0 1746.2 View list
14 1080097926 Botha, W (Wian) 1 1.0 1 0 0 100.0 1253.0 425.0 1678.0 View list
15 1090152030 Dos Reis, P (Pedro) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 206055418 Van Heerden, D (Dante) 1 1.0 1 0 0 100.0 1230.6 425.0 1655.6 View list
17 2080112388 Venter, I (Isabel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 108065716 Van Heerden, M (Michael) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
19 1090157479 De Jager, J (Jonathan) 1 0.0 0 0 1 0.0 1321.2 -425.0 896.2 View list
20 1080156700 Phillips, E (Eduard) 1 0.0 0 0 1 0.0 1270.8 -425.0 845.8 View list