Player Page

Perkins, J (Jenna)
Dob: 2011/04/22 (U14)
Gender: Female
Chess SA id: 2110113534
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/12/15 (160 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 rating1224.2
Curent Weighted rating1208.8
Curent Weighted performance1000.3
Current official/published rating (highest between Raw, WR and WP)1224.2
Current floor (min rating allowed)724.2
Current highest rating achieved1224.2
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)±160.2
Current Raw change used (final)0.0
Projected new Raw rating1224.2
Projected new Weighed rating1210.7
Projected new Weighted performance1000.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1224.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1224.2
Projected new floor724.2
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 rating1221.6
Curent Weighted rating1207.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1221.6
Current floor (min rating allowed)721.6
Current highest rating achieved1221.6
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)±160.8
Current Raw change used (final)0.0
Projected new Raw rating1221.6
Projected new Weighed rating1209.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1221.6
Projected new floor721.6
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 rating1205.6
Curent Weighted rating1201.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1205.6
Current floor (min rating allowed)705.6
Current highest rating achieved1205.6
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)±164.5
Current Raw change used (final)0.0
Projected new Raw rating1205.6
Projected new Weighed rating1201.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1205.6
Projected new floor705.6
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 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)705.6
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 floor705.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Chess Power House Festive Rapid 2023 (Grade 3-7) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 3.0 1213.7 1194.0 Analysis
4 Chess Molecules Rapid 2023 (High School Girls) 2023/09/23 2023/09/23 Ekurhuleni (GE) Rapid 30 0.60 5 4 2.0 1218.5 1200.0 Analysis
3 2023 Gauteng Top Schools (U13 Girls) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 3.0 1186.0 1180.8 Analysis
2 2019 Gauteng School League Finals (U9 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1187.7 1182.8 Analysis
1 Ekurhuleni South School Chess 2019 (U9 Girls) 2019/05/11 2019/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 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 24 12 0 12 12.0 50.0 0.0 1236.1 1236.1
White 12 7 0 5 7.0 58.3 70.8 1233.4 1304.2
Black 12 5 0 7 5.0 41.7 -70.8 1238.9 1168.1
Standard All 14 7 0 7 7.0 50.0 0.0 1225.6 1225.6
White 7 4 0 3 4.0 57.1 60.7 1231.8 1292.5
Black 7 3 0 4 3.0 42.9 -60.7 1219.5 1158.8
Rapid All 10 5 0 5 5.0 50.0 0.0 1250.8 1250.8
White 5 3 0 2 3.0 60.0 85.0 1235.6 1320.6
Black 5 2 0 3 2.0 40.0 -85.0 1266.1 1181.1
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 2110113541 George, J (Jordan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1120191357 Dlamini, M (Mohlodi) 1 1.0 1 0 0 100.0 1213.7 425.0 1638.7 View list
3 2130160871 Dicks, C (Cheyanne) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
4 2120142703 Daubert, M (Michelle) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
5 2110140239 Barnard, A (Anjanka) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
6 1140191355 Bari, C (Chanakya) 1 1.0 1 0 0 100.0 1213.7 425.0 1638.7 View list
7 2140155741 Akole, S (Sara) 1 1.0 1 0 0 100.0 1213.7 425.0 1638.7 View list
8 2090153970 Kiruri, C (Cynthia) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
9 2090162461 Kekane, T (Tshireketso) 1 1.0 1 0 0 100.0 1218.5 425.0 1643.5 View list
10 1110118120 Mashankane, K (Kutlwano) 1 1.0 1 0 0 100.0 1187.7 425.0 1612.7 View list
11 1100118141 Ndlovu, SA (Sibusiso Abraham) 1 1.0 1 0 0 100.0 1187.7 425.0 1612.7 View list
12 2100113537 Sitole, N (Nkosazana) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 2120109366 Theron, C (Carla) 1 0.0 0 0 1 0.0 1186.0 -425.0 761.0 View list
14 2120115611 Swart, M (Mignon) 1 0.0 0 0 1 0.0 1186.0 -425.0 761.0 View list
15 2070140162 Onyekwere, F (Favor) 1 0.0 0 0 1 0.0 1218.5 -425.0 793.5 View list
16 210095050 Netshimbupfe, Y (Yoanda) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1100118104 Mohr, L (Lukardt) 1 0.0 0 0 1 0.0 1187.7 -425.0 762.7 View list
18 1120137364 Mclardy, N (Nathan) 1 0.0 0 0 1 0.0 1213.7 -425.0 788.7 View list
19 1130152987 Mann, I (Iowan) 1 0.0 0 0 1 0.0 1213.7 -425.0 788.7 View list
20 2100101517 Lovett, S (Saffron) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list