Player Page

Roos, A (Abigail)
Dob: 2005/07/25 (U20)
Gender: Female
Chess SA id: 205082938
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2022/06/04 (713 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 rating1184.8
Curent Weighted rating1184.8
Curent Weighted performance630.5
Current official/published rating (highest between Raw, WR and WP)1184.8
Current floor (min rating allowed)684.8
Current highest rating achieved1184.8
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)±169.4
Current Raw change used (final)0.0
Projected new Raw rating1184.8
Projected new Weighed rating1184.8
Projected new Weighted performance630.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1184.8
Projected new floor684.8
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 rating1194.5
Curent Weighted rating1194.5
Curent Weighted performance634.6
Current official/published rating (highest between Raw, WR and WP)1194.5
Current floor (min rating allowed)694.5
Current highest rating achieved1194.5
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)±167.1
Current Raw change used (final)0.0
Projected new Raw rating1194.5
Projected new Weighed rating1194.5
Projected new Weighted performance634.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1194.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1194.5
Projected new floor694.5
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 rating512.0
Curent Weighted rating512.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)512.0
Current floor (min rating allowed)500.0
Current highest rating achieved512.0
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)±441.9
Current Raw change used (final)0.0
Projected new Raw rating512.0
Projected new Weighed rating512.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)512.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating512.0
Projected new floor500.0
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 rating512.0
Curent Weighted rating512.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)512.0
Current floor (min rating allowed)500.0
Current highest rating achieved512.0
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)±441.9
Current Raw change used (final)0.0
Projected new Raw rating512.0
Projected new Weighed rating512.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)512.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating512.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 Gaueng Schools D7 2022 (U18 Girls) 2022/06/04 2022/06/04 Sedibeng (GSV) Standard 60 0.83 5 5 3.5 1183.5 1192.5 Analysis
18 Heidelberg Open 2020 (C) 2020/02/01 2020/02/01 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1164.9 1170.1 Analysis
17 2019 Gauteng School League Finals (U15 Open) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1144.6 1146.1 Analysis
16 D7 High School League 2019 (U15) 2019/08/03 2019/08/03 Sedibeng (GSV) Standard 61 0.83 6 6 4.5 1144.6 1146.1 Analysis
15 2019 Gauteng Secondary Schools Individual Chess Championships (U15 Girls) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1093.7 1092.2 Analysis
14 D7 Individuals 2019 (U15 Girls) 2019/05/04 2019/05/04 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 1093.7 1092.2 Analysis
13 2019 Heidelberg Open (C) 2019/02/02 2019/02/02 Sedibeng (GSV) Standard 120 1.00 5 5 3.0 1007.0 1008.6 Analysis
12 South African Junior Team Championships 2018 (U16-U20 Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 2.0 931.3 943.9 Analysis
11 Eagle`s Open 2018 (C) 2018/12/08 2018/12/08 Sedibeng (GSV) Standard 61 0.83 5 5 3.0 931.3 943.9 Analysis
10 2018 Interregion Sedibeng vs Ekurhuleni (L) 2018/11/03 2018/11/03 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 887.8 888.3 Analysis
9 2018 Sedibeng Summer Open (H) 2018/10/20 2018/10/20 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 905.7 910.7 Analysis
8 2018 Gauteng League Final (U13 Girls) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 905.0 906.7 Analysis
7 Hoerskool Drie Riviere Open 2018 (C) 2018/06/09 2018/06/09 Sedibeng (GSV) Standard 61 0.83 5 5 2.5 923.6 928.3 Analysis
6 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls) 2018/05/25 2018/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.5 695.3 727.2 Analysis
5 Word of Life Open 2018 (C) 2018/05/12 2018/05/12 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 695.3 727.2 Analysis
4 Heidelberg Skaak Klub 2018 (Team 10) 2018/05/05 2018/05/05 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 695.3 727.2 Analysis
3 D7 Primary School League 2023 (U9-U13 Girls) 2018/04/21 2018/04/21 Sedibeng (GSV) Standard 61 0.83 5 5 4.0 618.6 636.8 Analysis
2 D7 Individual 2018 (U13 Girls) 2018/02/24 2018/02/24 Sedibeng (GSV) Standard 61 0.83 5 4 4.0 529.6 529.6 Analysis
1 South African Junior Team Championships 2017 (U14 Girls) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 512.0 512.0 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 98 56 4 38 58.0 59.2 78.1 955.4 1033.5
White 49 33 1 15 33.5 68.4 156.1 951.9 1108.0
Black 49 23 3 23 24.5 50.0 0.0 958.9 958.9
Standard All 98 56 4 38 58.0 59.2 78.1 955.4 1033.5
White 49 33 1 15 33.5 68.4 156.1 951.9 1108.0
Black 49 23 3 23 24.5 50.0 0.0 958.9 958.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 206066091 Roos, R (Roxanne) 5 4.0 3 2 0 80.0 937.9 255.0 1192.9 View list
2 205078940 Hancke, C (Carli) 2 2.0 2 0 0 100.0 811.7 425.0 1236.7 View list
3 1040117226 Tshelwane, L (Livine) 2 2.0 2 0 0 100.0 1144.6 425.0 1569.6 View list
4 105079006 Gounden, L (Liam) 2 1.5 1 1 0 75.0 1144.6 212.5 1357.1 View list
5 1070097826 De Wet, J (James) 2 1.0 1 0 1 50.0 914.7 0.0 914.7 View list
6 206079945 Gaula, M (Mateboho) 2 1.0 1 0 1 50.0 901.0 0.0 901.0 View list
7 1040112780 Cronje, J (Jacques) 2 1.0 1 0 1 50.0 1144.6 0.0 1144.6 View list
8 1050108484 Bholo, SV (Sicelo Vuyo) 1 1.0 1 0 0 100.0 1007.0 425.0 1432.0 View list
9 206071018 Besele, N (Nomsa) 1 1.0 1 0 0 100.0 1183.5 425.0 1608.5 View list
10 108070894 Barnard, M (Martin) 1 1.0 1 0 0 100.0 931.3 425.0 1356.3 View list
11 204073350 Adams, A (Atiyyah) 1 1.0 1 0 0 100.0 512.0 425.0 937.0 View list
12 106080831 Cronje, C (Cor) 1 1.0 1 0 0 100.0 1007.0 425.0 1432.0 View list
13 205087157 Coetzee, Z (Zahne) 1 1.0 1 0 0 100.0 1093.7 425.0 1518.7 View list
14 208089371 Coetzee, G (Gisele) 1 1.0 1 0 0 100.0 931.3 425.0 1356.3 View list
15 204006460 De Jager, V (Vivica) 1 1.0 1 0 0 100.0 1093.7 425.0 1518.7 View list
16 206065188 De Beer, E (Elrize) 1 1.0 1 0 0 100.0 695.3 425.0 1120.3 View list
17 204057823 Darvall, BR (Bianca) 1 1.0 1 0 0 100.0 1144.6 425.0 1569.6 View list
18 109087166 Cronje, O (Omri) 1 1.0 1 0 0 100.0 1164.9 425.0 1589.9 View list
19 1040118298 Greyling, D (Darius) 1 1.0 1 0 0 100.0 1144.6 425.0 1569.6 View list
20 107085046 Hanekom, J (Jayden) 1 1.0 1 0 0 100.0 695.3 425.0 1120.3 View list