Player Page

Orwin, J (Jennifer)
Dob: 2010/05/17 (U16)
Gender: Female
Chess SA id: 2100134369
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (42 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 rating1505.4
Curent Weighted rating1466.6
Curent Weighted performance1449.7
Current official/published rating (highest between Raw, WR and WP)1505.4
Current floor (min rating allowed)1007.8
Current highest rating achieved1507.8
Current K-factor32
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)±107.3
Current Raw change used (final)0.0
Projected new Raw rating1505.4
Projected new Weighed rating1472.3
Projected new Weighted performance1449.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1505.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1507.8
Projected new floor1007.8
Projected new K-facor32
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 rating1509.1
Curent Weighted rating1461.3
Curent Weighted performance1442.5
Current official/published rating (highest between Raw, WR and WP)1509.1
Current floor (min rating allowed)1009.1
Current highest rating achieved1509.1
Current K-factor32
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)±106.8
Current Raw change used (final)0.0
Projected new Raw rating1509.1
Projected new Weighed rating1468.1
Projected new Weighted performance1442.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1509.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1509.1
Projected new floor1009.1
Projected new K-facor32
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 rating1274.2
Curent Weighted rating1254.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1274.2
Current floor (min rating allowed)774.2
Current highest rating achieved1274.2
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)±149.2
Current Raw change used (final)0.0
Projected new Raw rating1274.2
Projected new Weighed rating1257.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1274.2
Projected new floor774.2
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 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)774.2
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 floor774.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 3 2.0 1507.8 1255.1 Analysis
2 Western Cape HS Individuals Championship 2024 (U15 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1484.7 1482.5 Analysis
1 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1484.7 1482.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Cape Town Junior League Qualifier 2024 (U15 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 3 2.0 1507.8 1255.1 Analysis
9 Western Cape HS Individuals Championship 2024 (U15 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1484.7 1482.5 Analysis
8 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1484.7 1482.5 Analysis
7 Western Cape PS Individuals 2023 (U13 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1442.1 1419.9 Analysis
6 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 5 3.5 1413.6 1404.2 Analysis
5 District East Schools Chess Individual Trials 2023 (U13 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 6.0 1352.0 1327.5 Analysis
4 Metro Rapid 2022 (U13 Girls) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 4.0 1336.2 1204.0 Analysis
3 Western Cape Schools 2022 (U13 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 5.0 1284.5 1269.2 Analysis
2 Metro WP Schools Chess Trials 2022 (U13 Girls) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1233.4 1200.0 Analysis
1 2022 East Dist Individuals (U13) 2022/03/12 2022/03/12 Cape Town (WCT) Rapid 45 0.74 6 6 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 10 2 3 11.0 73.3 198.3 1332.4 1530.7
White 8 5 2 1 6.0 75.0 212.5 1326.9 1539.4
Black 7 5 0 2 5.0 71.4 182.1 1338.7 1520.8
Standard All 12 8 2 2 9.0 75.0 212.5 1331.7 1544.2
White 6 4 2 0 5.0 83.3 283.3 1301.7 1585.0
Black 6 4 0 2 4.0 66.7 141.7 1361.8 1503.5
Rapid All 3 2 0 1 2.0 66.7 141.7 1335.1 1476.7
White 2 1 0 1 1.0 50.0 0.0 1402.6 1402.6
Black 1 1 0 0 1.0 100.0 425.0 1200.0 1625.0
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 55 41 4 10 43.0 78.2 239.5 1277.8 1517.3
White 28 20 3 5 21.5 76.8 227.7 1278.3 1506.0
Black 27 21 1 5 21.5 79.6 251.9 1277.3 1529.1
Standard All 41 31 4 6 33.0 80.5 259.1 1290.4 1549.6
White 20 14 3 3 15.5 77.5 233.8 1294.9 1528.6
Black 21 17 1 3 17.5 83.3 283.3 1286.2 1569.5
Rapid All 14 10 0 4 10.0 71.4 182.1 1240.9 1423.0
White 8 6 0 2 6.0 75.0 212.5 1236.9 1449.4
Black 6 4 0 2 4.0 66.7 141.7 1246.2 1387.9
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 2110138756 Hanise, A (Avile) 2 2.0 2 0 0 100.0 1382.8 425.0 1807.8 View list
2 2100108133 Kruger, R (Riasha) 2 2.0 2 0 0 100.0 1363.3 425.0 1788.3 View list
3 210088278 Nieuwoudt, N (Noreht) 2 2.0 2 0 0 100.0 1363.3 425.0 1788.3 View list
4 2100118020 Smith, S (Shiloh) 2 2.0 2 0 0 100.0 1292.7 425.0 1717.7 View list
5 2090108393 Williamson, S (Sarah) 2 2.0 2 0 0 100.0 1359.1 425.0 1784.1 View list
6 210092081 Van Heerden, H (Hannah Rose) 2 1.5 1 1 0 75.0 1449.2 212.5 1661.7 View list
7 2100138820 Liu, A (Ava) 2 1.0 1 0 1 50.0 1284.8 0.0 1284.8 View list
8 209084154 Brink, S (Samantha) 2 1.0 1 0 1 50.0 1384.6 0.0 1384.6 View list
9 2100108077 Coetzee, K (Kara) 2 0.5 0 1 1 25.0 1449.2 -212.5 1236.7 View list
10 2110130686 Joya, I (Imkhita) 2 0.0 0 0 2 0.0 1449.2 -425.0 1024.2 View list
11 209095311 Grove, E (Emily) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list
12 2090153241 Fumanisa, L (Lisokhanya) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list
13 2090099594 Engelbrecht, J (Jane) 1 1.0 1 0 0 100.0 1284.5 425.0 1709.5 View list
14 2090134090 Dyantyi, E (Enathi) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
15 2090152208 Du Toit, I (Isabella) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list
16 2100119464 Daniels, R (Richall) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list
17 1090130341 Akuetteh, D (David) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 2110131778 Kleynhans, C (Caylen) 1 1.0 1 0 0 100.0 1442.1 425.0 1867.1 View list
19 2100147503 Keffers, K (Kelly-Anne) 1 1.0 1 0 0 100.0 1352.0 425.0 1777.0 View list
20 2090130355 Joni, A (Ayakhe) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list