Player Page

Mcosana, O (Oyama)
Dob: 2008/01/07 (U18)
Gender: Female
Chess SA id: 2080154672
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/04/02 (412 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 rating1154.9
Curent Weighted rating1160.7
Curent Weighted performance985.7
Current official/published rating (highest between Raw, WR and WP)1160.7
Current floor (min rating allowed)704.5
Current highest rating achieved1204.5
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)±176.8
Current Raw change used (final)0.0
Projected new Raw rating1154.9
Projected new Weighed rating1159.7
Projected new Weighted performance985.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1159.7
Projected effective change (new Official - current Official)-1.0
Projected new highest rating1204.5
Projected new floor704.5
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 rating1111.9
Curent Weighted rating1122.2
Curent Weighted performance784.4
Current official/published rating (highest between Raw, WR and WP)1122.2
Current floor (min rating allowed)700.0
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)±188.0
Current Raw change used (final)0.0
Projected new Raw rating1111.9
Projected new Weighed rating1120.3
Projected new Weighted performance784.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1120.3
Projected effective change (new Official - current Official)-1.9
Projected new highest rating1200.0
Projected new floor700.0
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 rating1229.5
Curent Weighted rating1226.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1229.5
Current floor (min rating allowed)729.5
Current highest rating achieved1229.5
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)±159.0
Current Raw change used (final)0.0
Projected new Raw rating1229.5
Projected new Weighed rating1226.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1229.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1229.5
Projected new floor729.5
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 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)729.5
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 floor729.5
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 Western Cape HS Individuals 2023 (U15 Girls) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 3 0.0 1197.0 1163.0 Analysis
11 Overberg High School Closed 2023 (U15 Girls) 2023/03/25 2023/03/25 Overberg (WOS) Standard 60 0.83 5 5 2.0 1204.5 1169.1 Analysis
10 Overberg High Schools Trails 2023 (U15) 2023/02/24 2023/02/24 Overberg (WOS) Rapid 15 0.39 5 5 3.0 1178.4 1200.0 Analysis
9 Overberg Schools Open Tournament 2023 (U16) 2023/02/11 2023/02/11 Overberg (WOS) Rapid 20 0.47 5 5 3.0 1178.4 1200.0 Analysis
8 Western Cape Top Schools 2022 (U15 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 2.0 1183.2 1172.0 Analysis
7 Overberg Closed 2020 (U13 Girls) 2020/03/15 2020/03/15 Overberg (WOS) Standard 60 0.83 5 5 2.0 1187.1 1172.7 Analysis
6 2019 Western Cape Club Championship (C) 2019/10/25 2019/10/27 Overberg (WOS) Standard 65 0.85 5 5 4.0 1136.3 1109.0 Analysis
5 Western Cape Top Schools 2019 (U11 Mix) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 4 0.0 1193.1 1187.5 Analysis
4 Overberg Top Schools 2019 (U11) 2019/07/20 2019/07/20 Overberg (WOS) Standard 60 0.83 5 5 3.0 1179.4 1170.9 Analysis
3 Overberg First Trial 2019 (U12) 2019/02/23 2019/02/23 Overberg (WOS) Standard 60 0.83 5 5 2.0 1199.7 1195.7 Analysis
2 Western Cape Top Schools 2018 (U9+U11 Girls) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 5 4.0 1172.5 1166.9 Analysis
1 Overberg Schools Closed 2018 (U11 Girls) 2018/03/23 2018/03/24 Overberg (WOS) 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 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 63 31 0 32 31.0 49.2 -6.7 1179.8 1173.0
White 31 14 0 17 14.0 45.2 -41.1 1185.5 1144.4
Black 32 17 0 15 17.0 53.1 26.6 1174.1 1200.7
Standard All 53 25 0 28 25.0 47.2 -24.1 1170.1 1146.0
White 27 14 0 13 14.0 51.9 15.7 1165.5 1181.2
Black 26 11 0 15 11.0 42.3 -65.4 1174.9 1109.5
Rapid All 10 6 0 4 6.0 60.0 85.0 1230.9 1315.9
White 4 0 0 4 0.0 0.0 -425.0 1321.0 896.0
Black 6 6 0 0 6.0 100.0 425.0 1170.9 1595.9
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 208084103 Sibeko, M (Mbalntle) 3 0.0 0 0 3 0.0 1188.4 -425.0 763.4 View list
2 2090099929 Haman, B (Bionica) 2 2.0 2 0 0 100.0 1179.4 425.0 1604.4 View list
3 2070116642 Mushangera, T (Tadiwanashe) 2 2.0 2 0 0 100.0 1179.4 425.0 1604.4 View list
4 208068746 Snyders, M (Meya) 2 2.0 2 0 0 100.0 1179.4 425.0 1604.4 View list
5 2090102785 Beyers, D (Donna-Claire) 2 0.0 0 0 2 0.0 1179.4 -425.0 754.4 View list
6 208084107 Beveridge, TG (Talitha) 2 0.0 0 0 2 0.0 1200.8 -425.0 775.8 View list
7 207084105 Dondolo, A (Ayola) 2 0.0 0 0 2 0.0 1179.4 -425.0 754.4 View list
8 207084106 Hlanzela, M (Milani) 2 0.0 0 0 2 0.0 1193.5 -425.0 768.5 View list
9 208091547 Hendricks, J (Jacquin) 1 1.0 1 0 0 100.0 1136.3 425.0 1561.3 View list
10 1080152205 Booysen, W (Will-Matthew) 1 1.0 1 0 0 100.0 1178.4 425.0 1603.4 View list
11 107092948 Adams, A (Ashley) 1 1.0 1 0 0 100.0 1183.2 425.0 1608.2 View list
12 207088935 Dees, J (Jody) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 2080133325 Fredericks, K (Keshia) 1 1.0 1 0 0 100.0 1187.1 425.0 1612.1 View list
14 2070105985 Fransies, H (Hanlie) 1 1.0 1 0 0 100.0 1172.5 425.0 1597.5 View list
15 2090097172 Erasmus, A (Anneke) 1 1.0 1 0 0 100.0 1172.5 425.0 1597.5 View list
16 2080138409 Duminy, Z (Zaldine) 1 1.0 1 0 0 100.0 1178.4 425.0 1603.4 View list
17 2090152208 Du Toit, I (Isabella) 1 1.0 1 0 0 100.0 1204.5 425.0 1629.5 View list
18 1090100607 Du Plessis, L (Luc) 1 1.0 1 0 0 100.0 1199.7 425.0 1624.7 View list
19 2080099833 Johnson, T (Thandi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 208094918 Mdlokovane, S (Sphendulwe) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list