Player Page

De Abreu, A (Alexia Sally)
Dob: 2004/09/01 (Adult)
Gender: Female
Chess SA id: 204077255
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/12/08 (161 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 rating1274.9
Curent Weighted rating1261.8
Curent Weighted performance1078.7
Current official/published rating (highest between Raw, WR and WP)1274.9
Current floor (min rating allowed)774.9
Current highest rating achieved1274.9
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)±149.0
Current Raw change used (final)0.0
Projected new Raw rating1274.9
Projected new Weighed rating1263.3
Projected new Weighted performance1078.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1274.9
Projected new floor774.9
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 rating1245.6
Curent Weighted rating1234.1
Curent Weighted performance878.2
Current official/published rating (highest between Raw, WR and WP)1245.6
Current floor (min rating allowed)745.6
Current highest rating achieved1245.6
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)±155.4
Current Raw change used (final)0.0
Projected new Raw rating1245.6
Projected new Weighed rating1235.3
Projected new Weighted performance878.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1245.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1245.6
Projected new floor745.6
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 rating941.6
Curent Weighted rating756.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)941.6
Current floor (min rating allowed)500.0
Current highest rating achieved941.6
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)±239.6
Current Raw change used (final)0.0
Projected new Raw rating941.6
Projected new Weighed rating776.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)941.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating941.6
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 rating521.2
Curent Weighted rating521.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)521.2
Current floor (min rating allowed)500.0
Current highest rating achieved521.2
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)±436.1
Current Raw change used (final)0.0
Projected new Raw rating521.2
Projected new Weighed rating521.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)521.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating521.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 2023 USSA Championships (Ladies) 2023/12/04 2023/12/08 Ethekwini (KED) Standard 120 1.00 9 9 6.0 1266.3 1225.4 Analysis
15 Wits University 100 Chess Tournament 2023 2023/09/30 2023/09/30 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 3.0 1245.8 606.8 Analysis
14 2022 Gauteng Interregion (U18 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1207.3 1172.1 Analysis
13 JMC Helpmekaar 2021 (U18) 2021/09/06 2021/09/06 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 2.5 1180.5 521.2 Analysis
12 JNW Club - Trinityhouse Little Falls Open 2020 (C) 2020/03/14 2020/03/14 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1217.0 1216.0 Analysis
11 JNW Club - Bryanston Open1 2020 (C) 2020/02/01 2020/02/01 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1205.3 1203.0 Analysis
10 2019 South African Junior Team Championships (U16D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1237.7 1236.1 Analysis
9 JNW Chess Club - Muldersdrif 2019 (B) 2019/10/18 2019/10/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1142.4 1143.2 Analysis
8 JHB Metro Closed 2019 (U16) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 2.0 1151.2 1149.2 Analysis
7 JNW Club - Helpmekaar Kollege Open 2019 (D) 2019/07/06 2019/07/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1151.2 1149.2 Analysis
6 JNW Club - Hoerskool Linden 2019 (D) 2019/06/15 2019/06/15 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 776.2 827.2 Analysis
5 Ekurhuleni Trials (3) 2019 (U16) 2019/06/08 2019/06/08 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 776.2 827.2 Analysis
4 JNW Club - Bryanston Open 2 2019 (D) 2019/05/11 2019/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 677.6 709.2 Analysis
3 Chessnuts Under 1200 27 April 2019 (Knights) 2019/04/27 2019/04/27 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 579.0 590.4 Analysis
2 Ekurhuleni Trials 2 2019 (U16) 2019/04/27 2019/04/27 Ekurhuleni (GE) Standard 60 0.83 5 0 0.0 579.0 590.4 Analysis
1 Outpost 2nd Open 2018 (C) 2018/08/25 2018/08/25 Johannesburg Metro (GJM) Standard 62 0.84 5 5 2.0 521.2 521.2 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 82 41 5 36 43.5 53.0 25.9 1197.4 1223.3
White 38 18 4 16 20.0 52.6 22.4 1193.6 1216.0
Black 44 23 1 20 23.5 53.4 29.0 1200.6 1229.6
Standard All 72 36 4 32 38.0 52.8 23.6 1176.0 1199.6
White 34 15 4 15 17.0 50.0 0.0 1171.4 1171.4
Black 38 21 0 17 21.0 55.3 44.7 1180.1 1224.9
Rapid All 10 5 1 4 5.5 55.0 42.5 1351.0 1393.5
White 4 3 0 1 3.0 75.0 212.5 1382.3 1594.8
Black 6 2 1 3 2.5 41.7 -70.8 1330.2 1259.4
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 105082260 Botha, M (Marcus) 3 2.0 2 0 1 66.7 1026.2 141.7 1167.9 View list
2 104055373 Mazibuko, T (Themba) 3 1.5 1 1 1 50.0 1158.0 0.0 1158.0 View list
3 1100110071 Poongavanum, K (Kalyan) 2 1.0 1 0 1 50.0 628.3 0.0 628.3 View list
4 1110112163 Chen, Y (Youlin) 1 1.0 1 0 0 100.0 1142.4 425.0 1567.4 View list
5 1080112312 Caroto, K (Konrad) 1 1.0 1 0 0 100.0 1151.2 425.0 1576.2 View list
6 1110112313 Butcher, M (Matthew) 1 1.0 1 0 0 100.0 579.0 425.0 1004.0 View list
7 1040120013 Arends, J (Jeffson) 1 1.0 1 0 0 100.0 1237.7 425.0 1662.7 View list
8 2090113407 Dawson, K (Keira) 1 1.0 1 0 0 100.0 677.6 425.0 1102.6 View list
9 1080107294 De Bruyn, E (Eric) 1 1.0 1 0 0 100.0 579.0 425.0 1004.0 View list
10 204051811 Diemieniet, P (Phoebe) 1 1.0 1 0 0 100.0 1237.7 425.0 1662.7 View list
11 111092701 Deysel, K (Kaleb) 1 1.0 1 0 0 100.0 776.2 425.0 1201.2 View list
12 210092704 Deysel, H (Hannah) 1 1.0 1 0 0 100.0 1205.3 425.0 1630.3 View list
13 204079859 Fauconier, C (Caley) 1 1.0 1 0 0 100.0 1151.2 425.0 1576.2 View list
14 208073206 Fauconier, A (Amber) 1 1.0 1 0 0 100.0 1142.4 425.0 1567.4 View list
15 111009119 Esterhuizen, JL (Janco) 1 1.0 1 0 0 100.0 776.2 425.0 1201.2 View list
16 202010660 Goldstuck, Z (Zianda) 1 1.0 1 0 0 100.0 521.2 425.0 946.2 View list
17 1110099290 Gough, R (Rowan) 1 1.0 1 0 0 100.0 1151.2 425.0 1576.2 View list
18 210076436 Greyling, L (Lene) 1 1.0 1 0 0 100.0 1205.3 425.0 1630.3 View list
19 1050113409 Harris, O (Oliver) 1 1.0 1 0 0 100.0 677.6 425.0 1102.6 View list
20 1090119605 Janssen, A (Alec) 1 1.0 1 0 0 100.0 1142.4 425.0 1567.4 View list