Player Page

Koshy, R (Rochelle)
Dob: 2010/04/01 (U16)
Gender: Female
Chess SA id: 2100097271
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2022/03/05 (789 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 rating1217.9
Curent Weighted rating1217.9
Curent Weighted performance773.3
Current official/published rating (highest between Raw, WR and WP)1217.9
Current floor (min rating allowed)788.4
Current highest rating achieved1288.4
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)±161.6
Current Raw change used (final)0.0
Projected new Raw rating1217.9
Projected new Weighed rating1217.9
Projected new Weighted performance773.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1288.4
Projected new floor788.4
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 rating1207.0
Curent Weighted rating1207.0
Curent Weighted performance771.6
Current official/published rating (highest between Raw, WR and WP)1207.0
Current floor (min rating allowed)791.5
Current highest rating achieved1291.5
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)±164.2
Current Raw change used (final)0.0
Projected new Raw rating1207.0
Projected new Weighed rating1207.0
Projected new Weighted performance771.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1207.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1291.5
Projected new floor791.5
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 rating1201.6
Curent Weighted rating1201.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1201.6
Current floor (min rating allowed)701.6
Current highest rating achieved1201.6
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)±165.4
Current Raw change used (final)0.0
Projected new Raw rating1201.6
Projected new Weighed rating1201.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1201.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1201.6
Projected new floor701.6
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)701.6
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 floor701.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 BC Trials 3 2022 (U14A) 2022/03/05 2022/03/05 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1243.0 1238.3 Analysis
13 BC Trials 1 2022 (U14A) 2022/02/11 2022/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1263.6 1261.3 Analysis
12 Mortal Kombat 2021 (B) 2021/04/10 2021/04/10 Buffalo City (EBC) Standard 60 0.83 5 4 3.0 1236.7 1227.1 Analysis
11 BC Trials 2 2020 (U12B) 2020/02/29 2020/02/29 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1288.4 1291.5 Analysis
10 South Park Valentinez Open 2020 (B) 2020/02/22 2020/02/22 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1288.4 1291.5 Analysis
9 Buffalo City Trials 5 of 5 2019 (U10B) 2019/05/25 2019/05/25 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1252.2 1262.1 Analysis
8 Buffalo City Trials 4 of 5 2019 (U10B) 2019/05/04 2019/05/04 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1252.2 1262.1 Analysis
7 Buffalo City Trials 3 of 5 2019 (U10B) 2019/04/13 2019/04/13 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1242.9 1252.7 Analysis
6 Buffalo City Trials 1 of 5 2019 (U10B) 2019/02/09 2019/02/09 Buffalo City (EBC) Standard 60 0.83 5 5 3.5 1217.2 1223.5 Analysis
5 East London School League 2018 (Foundation) 2018/08/18 2018/08/18 Buffalo City (EBC) Standard 60 0.83 5 5 3.5 1184.3 1182.5 Analysis
4 5th Buffalo Trials 2018 (U10A) 2018/05/26 2018/05/26 Buffalo City (EBC) Standard 60 0.83 5 4 2.0 1201.3 1201.6 Analysis
3 4th Buffalo Trials 2018 (U10B) 2018/05/05 2018/05/05 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1201.3 1201.6 Analysis
2 3rd Buffalo Trials 2018 (U10B) 2018/04/14 2018/04/14 Buffalo City (EBC) Rapid 30 0.60 7 7 3.5 1201.3 1200.0 Analysis
1 Buffalo City 1st Chess Trials 2018 (U8B+U10B) 2018/02/17 2018/02/17 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 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 70 34 9 27 38.5 55.0 42.5 1184.4 1226.9
White 35 18 5 12 20.5 58.6 72.9 1156.3 1229.2
Black 35 16 4 15 18.0 51.4 12.1 1212.4 1224.5
Standard All 63 31 8 24 35.0 55.6 47.2 1183.1 1230.3
White 32 16 4 12 18.0 56.3 53.1 1151.1 1204.2
Black 31 15 4 12 17.0 54.8 41.1 1216.2 1257.3
Rapid All 7 3 1 3 3.5 50.0 0.0 1195.7 1195.7
White 3 2 1 0 2.5 83.3 283.3 1212.4 1495.7
Black 4 1 0 3 1.0 25.0 -212.5 1183.2 970.7
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 209091496 Voyi, T (Thando) 4 0.0 0 0 4 0.0 1211.4 -425.0 786.4 View list
2 209088687 Ningi, K (Kwezikazi) 3 0.5 0 1 2 16.7 1200.9 -283.3 917.5 View list
3 1090097272 Bruton, I (Isaiah) 2 2.0 2 0 0 100.0 1200.7 425.0 1625.7 View list
4 1110109262 Blom, B (Blake) 2 2.0 2 0 0 100.0 1247.6 425.0 1672.6 View list
5 2100133501 Ngxazisa, Q (Qonda) 2 2.0 2 0 0 100.0 1276.0 425.0 1701.0 View list
6 2100136896 Veleekizhakethil, E (Elina Joseph) 2 2.0 2 0 0 100.0 1253.3 425.0 1678.3 View list
7 1090099394 Venter, JT (Jt) 2 2.0 2 0 0 100.0 1192.8 425.0 1617.8 View list
8 1100100199 Botha, T (Tyler) 2 1.0 1 0 1 50.0 1232.4 0.0 1232.4 View list
9 2110109722 Beecum, V (Viha) 2 0.5 0 1 1 25.0 1252.2 -212.5 1039.7 View list
10 2100109242 George, A (Alaina) 2 0.0 0 0 2 0.0 1276.0 -425.0 851.0 View list
11 109088693 Slater, J (James) 2 0.0 0 0 2 0.0 1253.3 -425.0 828.3 View list
12 1100113007 Lombard, C (Chris) 1 1.0 1 0 0 100.0 1252.2 425.0 1677.2 View list
13 1110097268 Kosani, L (Lunje) 1 1.0 1 0 0 100.0 1201.3 425.0 1626.3 View list
14 2100109268 Bhattarai, A (Alisha) 1 1.0 1 0 0 100.0 1242.9 425.0 1667.9 View list
15 1100114239 Abraham, R (Rozandro) 1 1.0 1 0 0 100.0 1252.2 425.0 1677.2 View list
16 109088681 Bronkhorst, J (Joachim) 1 1.0 1 0 0 100.0 1201.3 425.0 1626.3 View list
17 1090119988 Malusi, L (Lilitha) 1 1.0 1 0 0 100.0 1236.7 425.0 1661.7 View list
18 1110109726 Mpika, L (Likhona) 1 1.0 1 0 0 100.0 1242.9 425.0 1667.9 View list
19 2100131152 Mpondo, A (Ambesiwe) 1 1.0 1 0 0 100.0 1288.4 425.0 1713.4 View list
20 1120113009 Mtiya, H (Hlonela) 1 1.0 1 0 0 100.0 1252.2 425.0 1677.2 View list