Player Page

Cosana, S (Sephesihle)
Dob: 2006/06/27 (U20)
Gender: Female
Chess SA id: 2060096271
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2019/08/11 (1743 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 rating1169.2
Curent Weighted rating1169.2
Curent Weighted performance253.3
Current official/published rating (highest between Raw, WR and WP)1169.2
Current floor (min rating allowed)693.4
Current highest rating achieved1193.4
Current K-factor40
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)±173.3
Current Raw change used (final)0.0
Projected new Raw rating1169.2
Projected new Weighed rating1169.2
Projected new Weighted performance253.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1169.2
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1193.4
Projected new floor693.4
Projected new K-facor40
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 rating1184.0
Curent Weighted rating1184.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1184.0
Current floor (min rating allowed)684.0
Current highest rating achieved1184.0
Current K-factor40
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)±169.6
Current Raw change used (final)0.0
Projected new Raw rating1184.0
Projected new Weighed rating1184.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1184.0
Projected new floor684.0
Projected new K-facor40
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)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)±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 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 rating1085.6
Curent Weighted rating1085.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1085.6
Current floor (min rating allowed)700.0
Current highest rating achieved1163.2
Current K-factor40
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)±195.2
Current Raw change used (final)0.0
Projected new Raw rating1085.6
Projected new Weighed rating1085.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1085.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1163.2
Projected new floor700.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Western Cape Womans Month Tournament 2019 (C) 2019/08/09 2019/08/11 West Coast (WCU) Standard 70 0.87 7 3 2.5 1130.6 1139.6 Analysis
6 West Coast Open 2019 (C) 2019/04/27 2019/04/27 West Coast (WCU) Standard 90 0.94 5 3 1.0 1145.3 1159.2 Analysis
5 Back 2 School 2019 (Blitz) 2019/01/19 2019/01/19 West Coast (WCU) Blitz 5 0.18 7 6 2.0 1154.9 1133.2 Analysis
4 West Coast Open 2018 (C) 2018/04/28 2018/04/28 West Coast (WCU) Standard 70 0.87 5 5 3.0 1143.3 1139.2 Analysis
3 Freedom Day Blitz 2018 (Women) 2018/04/27 2018/04/27 West Coast (WCU) Blitz 5 0.18 7 7 3.0 1143.3 1163.2 Analysis
2 West Coast Schools Prestige Individual Championship 2018 (U11 Girls) 2018/03/10 2018/03/24 West Coast (WCU) Standard 60 0.83 6 4 2.0 1193.4 1200.0 Analysis
1 Mykonos Blitz U8 (U10+U12) 2018/02/04 2018/02/04 West Coast (WCU) Blitz 5 0.18 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 33 14 3 16 15.5 47.0 -25.8 1063.0 1037.2
White 17 5 1 11 5.5 32.4 -150.0 1061.6 911.6
Black 16 9 2 5 10.0 62.5 106.3 1064.5 1170.7
Standard All 15 8 1 6 8.5 56.7 56.7 1035.9 1092.5
White 8 3 1 4 3.5 43.8 -53.1 1083.5 1030.4
Black 7 5 0 2 5.0 71.4 182.1 981.4 1163.6
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 18 6 2 10 7.0 38.9 -94.4 1085.6 991.1
White 9 2 0 7 2.0 22.2 -236.1 1042.1 806.0
Black 9 4 2 3 5.0 55.6 47.2 1129.0 1176.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2070100562 Omari, A (Aicha) 2 2.0 2 0 0 100.0 1136.9 425.0 1561.9 View list
2 2070096264 Xesha, A (Athobe) 2 1.0 1 0 1 50.0 1143.3 0.0 1143.3 View list
3 1100107961 Nqoloba, S (Sintsipho) 1 1.0 1 0 0 100.0 1154.9 425.0 1579.9 View list
4 2080099664 Lawrence, J (Jedidah) 1 1.0 1 0 0 100.0 1193.4 425.0 1618.4 View list
5 2050117671 Kroukamp, N (Nicole) 1 1.0 1 0 0 100.0 1130.6 425.0 1555.6 View list
6 2060100557 Mdutshane, Z (Zizipho) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
7 2070099670 Mrwetyana, P (Phumela) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
8 1060096250 Mlemze, L (Lukhanyo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2070100570 Mangwana, A (Azile) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
10 2090112296 Potwana, S (Sisi) 1 1.0 1 0 0 100.0 1145.3 425.0 1570.3 View list
11 2070100564 Rozani, S (Sphosethu) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
12 1070107960 Snyders, W (Waiden) 1 1.0 1 0 0 100.0 1154.9 425.0 1579.9 View list
13 2070099668 Xhesa, A (Athobe) 1 1.0 1 0 0 100.0 1193.4 425.0 1618.4 View list
14 1070096284 Malamlela, Z (Zukhanya) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
15 2090117681 Majezi, E (Elisma) 1 0.5 0 1 0 50.0 1130.6 0.0 1130.6 View list
16 1070096249 Sithole, D (Dylan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
17 2070100554 Ndinisa, S (Sinalo) 1 0.0 0 0 1 0.0 1143.3 -425.0 718.3 View list
18 299068736 Muller, L (Lara) 1 0.0 0 0 1 0.0 1143.3 -425.0 718.3 View list
19 203049830 Mitchells, J (Jamie-Lee) 1 0.0 0 0 1 0.0 1143.3 -425.0 718.3 View list
20 107077759 Mcquire, C (Craig) 1 0.0 0 0 1 0.0 1145.3 -425.0 720.3 View list