Player Page

Buxmann, S (Sonya)
Dob: 2009/03/20 (U16)
Gender: Female
Chess SA id: 2090138472
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2022/09/17 (608 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 rating1117.7
Curent Weighted rating1118.2
Curent Weighted performance825.6
Current official/published rating (highest between Raw, WR and WP)1118.2
Current floor (min rating allowed)684.7
Current highest rating achieved1184.7
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)±186.4
Current Raw change used (final)0.0
Projected new Raw rating1117.7
Projected new Weighed rating1118.0
Projected new Weighted performance825.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1118.0
Projected effective change (new Official - current Official)-0.2
Projected new highest rating1184.7
Projected new floor684.7
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 rating1103.2
Curent Weighted rating1104.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1104.0
Current floor (min rating allowed)678.8
Current highest rating achieved1178.8
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)±190.3
Current Raw change used (final)0.0
Projected new Raw rating1103.2
Projected new Weighed rating1103.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1103.7
Projected effective change (new Official - current Official)-0.4
Projected new highest rating1178.8
Projected new floor678.8
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 rating1155.6
Curent Weighted rating1155.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1155.6
Current floor (min rating allowed)655.6
Current highest rating achieved1155.6
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)±176.6
Current Raw change used (final)0.0
Projected new Raw rating1155.6
Projected new Weighed rating1155.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1155.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1155.6
Projected new floor655.6
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)655.6
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 floor655.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Western Cape Top Schools 2022 (U13 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 4 0.0 1153.8 1155.2 Analysis
6 Kleinmond Open Tournament 2022 (C) 2022/09/10 2022/09/10 Overberg (WOS) Rapid 30 0.60 5 5 2.5 1153.8 1138.0 Analysis
5 Overberg Topskole 2022 (O13) 2022/08/20 2022/08/20 Overberg (WOS) Standard 60 0.83 5 5 3.0 1135.5 1136.0 Analysis
4 Western Cape Schools 2022 (U13 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 2.0 1156.4 1178.8 Analysis
3 The Hermanus Open 2022 (U14) 2022/05/14 2022/05/14 Overberg (WOS) Rapid 10 0.29 6 6 3.0 1156.4 1126.0 Analysis
2 OCF Open 2022 (U14) 2022/04/09 2022/04/09 Overberg (WOS) Rapid 30 0.60 5 5 1.0 1184.7 1200.0 Analysis
1 Overberg Primary Schools Closed 2022 (U13 Girls) 2022/03/12 2022/03/12 Overberg (WOS) Standard 60 0.83 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 36 13 1 22 13.5 37.5 -106.3 1211.8 1105.5
White 18 8 0 10 8.0 44.4 -47.2 1225.3 1178.1
Black 18 5 1 12 5.5 30.6 -165.3 1198.2 1033.0
Standard All 20 7 0 13 7.0 35.0 -127.5 1205.6 1078.1
White 10 4 0 6 4.0 40.0 -85.0 1212.7 1127.7
Black 10 3 0 7 3.0 30.0 -170.0 1198.6 1028.6
Rapid All 16 6 1 9 6.5 40.6 -79.7 1219.5 1139.8
White 8 4 0 4 4.0 50.0 0.0 1241.1 1241.1
Black 8 2 1 5 2.5 31.3 -159.4 1197.8 1038.4
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 2100110753 Magida, S (Sinawo) 3 0.0 0 0 3 0.0 1164.0 -425.0 739.0 View list
2 2090139724 Mathias, I (Imelda) 2 2.0 2 0 0 100.0 1170.6 425.0 1595.6 View list
3 2100110741 Mbuli, A (Anelisa) 2 1.0 1 0 1 50.0 1178.2 0.0 1178.2 View list
4 109080785 Muller, C (Christiaan) 2 0.0 0 0 2 0.0 1170.6 -425.0 745.6 View list
5 2100138833 Ngcobo, Z (Zethu) 1 1.0 1 0 0 100.0 1156.4 425.0 1581.4 View list
6 1120133348 Benn, W (Waydin) 1 1.0 1 0 0 100.0 1135.5 425.0 1560.5 View list
7 1120139718 Du Toit, V (Victor) 1 1.0 1 0 0 100.0 1135.5 425.0 1560.5 View list
8 1100138452 Du Toit, M (Matthew) 1 1.0 1 0 0 100.0 1153.8 425.0 1578.8 View list
9 1120130328 Drury, R (Riko) 1 1.0 1 0 0 100.0 1153.8 425.0 1578.8 View list
10 2100138476 Kondowe, A (Andrea) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 2100138477 Ruiters, J (Justine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1090140624 Scheepers, T (Tiaan) 1 1.0 1 0 0 100.0 1156.4 425.0 1581.4 View list
13 2090138481 Van Der Vyver, M (Michae) 1 1.0 1 0 0 100.0 1135.5 425.0 1560.5 View list
14 2090108393 Williamson, S (Sarah) 1 1.0 1 0 0 100.0 1156.4 425.0 1581.4 View list
15 2100106826 Hendricks, L (Lakeisha) 1 0.5 0 1 0 50.0 1153.8 0.0 1153.8 View list
16 109094924 Matinywa, T (Thobani) 1 0.0 0 0 1 0.0 1156.4 -425.0 731.4 View list
17 2100119485 Makriga, G (Geonio) 1 0.0 0 0 1 0.0 1156.4 -425.0 731.4 View list
18 2120138760 Liu, A (Amy) 1 0.0 0 0 1 0.0 1153.8 -425.0 728.8 View list
19 210093629 Linde, M (Morgan) 1 0.0 0 0 1 0.0 1153.8 -425.0 728.8 View list
20 1090107767 Liebenberg, J (Jayden) 1 0.0 0 0 1 0.0 1153.8 -425.0 728.8 View list