Player Page

Roos, R (Roxanne)
Dob: 2006/05/31 (U20)
Gender: Female
Chess SA id: 206066091
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (124 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 rating1219.9
Curent Weighted rating1218.8
Curent Weighted performance1047.8
Current official/published rating (highest between Raw, WR and WP)1219.9
Current floor (min rating allowed)782.8
Current highest rating achieved1282.8
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)±161.2
Current Raw change used (final)0.0
Projected new Raw rating1219.9
Projected new Weighed rating1218.7
Projected new Weighted performance1047.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1282.8
Projected new floor782.8
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 rating1211.8
Curent Weighted rating1207.1
Curent Weighted performance1047.1
Current official/published rating (highest between Raw, WR and WP)1211.8
Current floor (min rating allowed)783.1
Current highest rating achieved1283.1
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)±163.1
Current Raw change used (final)0.0
Projected new Raw rating1211.8
Projected new Weighed rating1207.3
Projected new Weighted performance1047.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1211.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1283.1
Projected new floor783.1
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 rating621.2
Curent Weighted rating621.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)621.2
Current floor (min rating allowed)500.0
Current highest rating achieved621.2
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)±378.2
Current Raw change used (final)0.0
Projected new Raw rating621.2
Projected new Weighed rating621.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)621.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating621.2
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 rating621.2
Curent Weighted rating621.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)621.2
Current floor (min rating allowed)500.0
Current highest rating achieved621.2
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)±378.2
Current Raw change used (final)0.0
Projected new Raw rating621.2
Projected new Weighed rating621.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)621.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating621.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (U18 Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1228.4 1219.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 2024 Gauteng Inter-Region Chess Championship (U18 Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1228.4 1219.0 Analysis
22 Queens Gambit Chess Open 2023 (B) 2023/11/25 2023/11/25 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1213.5 1198.5 Analysis
21 2022 Gauteng Schools Team Championships (U19 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1270.0 1268.0 Analysis
20 D7 Teams 2022 (U17+U19 Mixed) 2022/08/13 2022/08/13 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1270.0 1268.0 Analysis
19 Gaueng Schools D7 2022 (U18 Girls) 2022/06/04 2022/06/04 Sedibeng (GSV) Standard 60 0.83 5 5 3.5 1267.9 1264.4 Analysis
18 Heidelberg Open 2020 (C) 2020/02/01 2020/02/01 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1282.8 1283.1 Analysis
17 2019 Gauteng School League Finals (U13 Girls) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1114.2 1120.7 Analysis
16 D7 Primary School League 2019 (Girls) 2019/08/03 2019/08/03 Sedibeng (GSV) Standard 60 0.83 6 6 6.0 1114.2 1120.7 Analysis
15 2019 Gauteng Primary Schools Individual Chess Championships (U13 Girls) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 3.0 992.6 994.3 Analysis
14 D7 Individuals 2019 (U13 Girls) 2019/05/04 2019/05/04 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 992.6 994.3 Analysis
13 South African Junior Team Championships 2018 (U14A Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 1.0 974.9 979.4 Analysis
12 Eagle`s Open 2018 (C) 2018/12/08 2018/12/08 Sedibeng (GSV) Standard 61 0.83 5 4 3.0 974.9 979.4 Analysis
11 2018 Interregion Sedibeng vs Ekurhuleni (L) 2018/11/03 2018/11/03 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 987.8 995.0 Analysis
10 2018 Sedibeng Summer Open (G) 2018/10/20 2018/10/20 Sedibeng (GSV) Standard 60 0.83 5 5 2.5 983.2 992.2 Analysis
9 2018 Gauteng League Final (U13 Girls) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 954.3 953.0 Analysis
8 Hoerskool Drie Riviere Open 2018 (C) 2018/06/09 2018/06/09 Sedibeng (GSV) Standard 61 0.83 5 5 2.5 981.2 985.8 Analysis
7 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls) 2018/05/25 2018/05/25 Tshwane (GTP) Standard 60 0.83 5 5 3.0 754.6 780.8 Analysis
6 Word of Life Open 2018 (C) 2018/05/12 2018/05/12 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 754.6 780.8 Analysis
5 Heidelberg Skaak Klub 2018 (Team 7) 2018/05/05 2018/05/05 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 754.6 780.8 Analysis
4 D7 Primary School League 2023 (U9-U13 Girls) 2018/04/21 2018/04/21 Sedibeng (GSV) Standard 61 0.83 5 5 5.0 611.2 607.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1263.6 1178.6
White 2 1 0 1 1.0 50.0 0.0 1267.0 1267.0
Black 3 1 0 2 1.0 33.3 -141.7 1261.3 1119.6
Standard All 5 2 0 3 2.0 40.0 -85.0 1263.6 1178.6
White 2 1 0 1 1.0 50.0 0.0 1267.0 1267.0
Black 3 1 0 2 1.0 33.3 -141.7 1261.3 1119.6
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 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 117 63 5 49 65.5 56.0 50.9 1016.6 1067.5
White 60 33 3 24 34.5 57.5 63.7 1017.4 1081.1
Black 57 30 2 25 31.0 54.4 37.3 1015.8 1053.1
Standard All 117 63 5 49 65.5 56.0 50.9 1016.6 1067.5
White 60 33 3 24 34.5 57.5 63.7 1017.4 1081.1
Black 57 30 2 25 31.0 54.4 37.3 1015.8 1053.1
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 205082938 Roos, A (Abigail) 5 1.0 0 2 3 20.0 1029.7 -255.0 774.7 View list
2 206071024 Gladile, S (Smangele) 3 3.0 3 0 0 100.0 1036.7 425.0 1461.7 View list
3 206091204 Kelebogile, M (Marumo) 3 3.0 3 0 0 100.0 1073.7 425.0 1498.7 View list
4 207064041 Coetzee, A (Anika) 3 0.5 0 1 2 16.7 868.2 -283.3 584.9 View list
5 207089251 Fourie, K (Kira) 2 2.0 2 0 0 100.0 1114.2 425.0 1539.2 View list
6 206071018 Besele, N (Nomsa) 2 2.0 2 0 0 100.0 973.5 425.0 1398.5 View list
7 2000100397 Abrahams, C (Caylie) 2 2.0 2 0 0 100.0 1114.2 425.0 1539.2 View list
8 206091208 Mateboho, G (Gaula) 2 1.0 1 0 1 50.0 983.8 0.0 983.8 View list
9 107086032 Naude, E (Enrique) 2 1.0 1 0 1 50.0 864.8 0.0 864.8 View list
10 205091406 Pretorius, S (Suate) 2 0.5 0 1 1 25.0 808.3 -212.5 595.8 View list
11 108070894 Barnard, M (Martin) 1 1.0 1 0 0 100.0 1213.5 425.0 1638.5 View list
12 106065421 Burgess, J (Jaydelan-Waytt) 1 1.0 1 0 0 100.0 621.2 425.0 1046.2 View list
13 206086648 Bezuidenhout, D (Deidre) 1 1.0 1 0 0 100.0 974.9 425.0 1399.9 View list
14 1060133932 De Graaff, M (Megan) 1 1.0 1 0 0 100.0 1228.4 425.0 1653.4 View list
15 2060141433 Connon, M (Michaela) 1 1.0 1 0 0 100.0 1228.4 425.0 1653.4 View list
16 1070098052 Eberwein, HJ (Heinrich) 1 1.0 1 0 0 100.0 754.6 425.0 1179.6 View list
17 205087157 Coetzee, Z (Zahne) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
18 2040143534 Hlatshwayo, N (Nontobeko) 1 1.0 1 0 0 100.0 1270.0 425.0 1695.0 View list
19 1070098064 Jacobs, N (Nicholaas) 1 1.0 1 0 0 100.0 1282.8 425.0 1707.8 View list
20 107067393 Jones, M (Musa) 1 1.0 1 0 0 100.0 981.2 425.0 1406.2 View list