Player Page

Vorster, S (Sophia)
Dob: 2007/08/28 (U18)
Gender: Female
Chess SA id: 207076757
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/10/14 (256 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
Current Raw rating1196.8
Current Weighted rating1190.6
Current Weighted performance1002.6
Current official/published rating (highest between Raw, WR and WP)1196.8
Current highest rating achieved1198.8
Current floor (min rating allowed)698.8
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)±166.6
Current Raw change used (final)0.0
Projected new Raw rating1196.8
Projected new Weighed rating1095.5
Projected new Weighted performance1002.6
Projected new final Raw rating (if new WP > new Raw)1196.8
Projected new highest rating1198.8
Projected new floor698.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1196.8
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1167.2
Current Weighted rating1169.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1169.1
Current highest rating achieved1175.2
Current floor (min rating allowed)675.2
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)±173.7
Current Raw change used (final)0.0
Projected new Raw rating1167.2
Projected new Weighed rating1075.2
Projected new Weighted performance768.2
Projected new final Raw rating (if new WP > new Raw)1167.2
Projected new highest rating1175.2
Projected new floor675.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1167.2
Projected effective change (new Official - current Official)-1.9
s
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
Current Raw rating1202.4
Current Weighted rating1201.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1202.4
Current highest rating achieved1202.4
Current floor (min rating allowed)702.4
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)±165.2
Current Raw change used (final)0.0
Projected new Raw rating1202.4
Projected new Weighed rating1105.4
Projected new Weighted performance644.5
Projected new final Raw rating (if new WP > new Raw)1202.4
Projected new highest rating1202.4
Projected new floor702.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1202.4
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Paarl Boys High Chess Festival 2023 (Elite Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 2 1.0 1179.9 1144.0 Analysis
5 Western Cape Top Schools 2023 (U18 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 2.0 1198.8 1175.2 Analysis
4 CW Top Schools 2023 (U15+U18 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 3.0 1178.1 1199.2 Analysis
3 Cape Winelands Schools Prestige 2023 (U17 Girls) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1176.1 1172.4 Analysis
2 Robertson Strategema Club 2022 (U17) 2022/10/29 2022/10/29 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
1 Metro Rapid 2022 (U15 Girls) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 4 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 26 12 1 13 12.5 48.1 -16.3 1209.1 1192.7
White 13 6 0 7 6.0 46.2 -32.7 1243.7 1211.1
Black 13 6 1 6 6.5 50.0 0.0 1174.4 1174.4
Standard All 17 7 1 9 7.5 44.1 -50.0 1205.9 1155.9
White 9 4 0 5 4.0 44.4 -47.2 1244.8 1197.5
Black 8 3 1 4 3.5 43.8 -53.1 1162.3 1109.1
Rapid All 9 5 0 4 5.0 55.6 47.2 1215.0 1262.2
White 4 2 0 2 2.0 50.0 0.0 1241.5 1241.5
Black 5 3 0 2 3.0 60.0 85.0 1193.8 1278.8
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 2070137532 Snyman, J (Junoel) 1 1.0 1 0 0 100.0 1176.1 425.0 1601.1 View list
2 1070137717 Smith, O (Oswill) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2070146188 Fabricius, A (Anja) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 2080147517 Mostert, C (Carien) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2060131979 Prins, L (Lukeesha) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
6 1070137609 Manuhwa, P (Progress) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2090137487 Cloete, Z (Zoe) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
8 2080108622 Burger, S (Suzanne) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
9 2070159249 Baartzes, C (Cleo) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
10 2070158345 Arnoldus, M (Marceline) 1 1.0 1 0 0 100.0 1178.1 425.0 1603.1 View list
11 2070108668 Springveldt, D (Deileeya) 1 1.0 1 0 0 100.0 1176.1 425.0 1601.1 View list
12 2080162701 Van Niekerk, M (Mone) 1 1.0 1 0 0 100.0 1179.9 425.0 1604.9 View list
13 2070151322 Alkaster, M (Mianca) 1 0.5 0 1 0 50.0 1176.1 0.0 1176.1 View list
14 2070146746 Robinson, J (Jessica) 1 0.0 0 0 1 0.0 1198.8 -425.0 773.8 View list
15 2070146745 Phillips, Z (Zara-Leigh) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 2070115933 Nord, J (Jade) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1060137636 Myoli, O (Oscar) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1060137634 Motasie, S (Sinthle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1070137715 Mattheys, C (Clyde) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 209084197 Crotz, K (Kirsten) 1 0.0 0 0 1 0.0 1178.1 -425.0 753.1 View list