Player Page

Vollgraaff, S (Stefan)
Dob: 2009/12/23 (U16)
Gender: Male
Chess SA id: 1090130804
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2023/02/11 (501 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 rating1258.8
Current Weighted rating1257.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1258.8
Current highest rating achieved1258.8
Current floor (min rating allowed)758.8
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)±152.5
Current Raw change used (final)0.0
Projected new Raw rating1258.8
Projected new Weighed rating1157.3
Projected new Weighted performance714.2
Projected new final Raw rating (if new WP > new Raw)1258.8
Projected new highest rating1258.8
Projected new floor758.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.8
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 rating1267.4
Current Weighted rating1266.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1267.4
Current highest rating achieved1267.4
Current floor (min rating allowed)767.4
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)±150.6
Current Raw change used (final)0.0
Projected new Raw rating1267.4
Projected new Weighed rating1165.1
Projected new Weighted performance714.2
Projected new final Raw rating (if new WP > new Raw)1267.4
Projected new highest rating1267.4
Projected new floor767.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1267.4
Projected effective change (new Official - current Official)=0.0
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 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
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
4 Hessequa Proewe 2 2023 (O15 Seuns) 2023/02/11 2023/02/11 Eden District (WEG) Standard 60 0.83 5 5 3.5 1247.1 1254.4 Analysis
3 Eden Schools Closed Trials 1 2020 (U11 Boys) 2020/03/07 2020/03/07 Eden District (WEG) Standard 65 0.85 5 5 3.0 1233.3 1240.0 Analysis
2 Mossel Bay Trials 2 2020 (U11) 2020/02/15 2020/02/15 Eden District (WEG) Standard 65 0.85 5 4 2.0 1200.0 1200.0 Analysis
1 Mossel Bay Trials 1 2020 (U11) 2020/02/01 2020/02/01 Eden District (WEG) Standard 65 0.85 5 4 3.0 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 18 11 1 6 11.5 63.9 118.1 1186.3 1304.3
White 8 4 0 4 4.0 50.0 0.0 1190.4 1190.4
Black 10 7 1 2 7.5 75.0 212.5 1183.0 1395.5
Standard All 18 11 1 6 11.5 63.9 118.1 1186.3 1304.3
White 8 4 0 4 4.0 50.0 0.0 1190.4 1190.4
Black 10 7 1 2 7.5 75.0 212.5 1183.0 1395.5
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 1090108554 Saaiman, K (Kayle) 2 2.0 2 0 0 100.0 1240.2 425.0 1665.2 View list
2 1080107835 Sauls, S (Shalmino) 1 1.0 1 0 0 100.0 1247.1 425.0 1672.1 View list
3 1090147423 Wewers, A (Adriano) 1 1.0 1 0 0 100.0 1247.1 425.0 1672.1 View list
4 1090130767 De Wet , L (Leehundro) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2100119464 Daniels, R (Richall) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1090130778 Jacobs, G (Giovandre) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090130777 Harris, E (Emerique) 1 1.0 1 0 0 100.0 1233.3 425.0 1658.3 View list
8 1100130775 Groenewald, C (Cameron) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1100130771 Gelderbloem, C (Chadley) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 109088305 Fredericks, J (Jean Pierre) 1 1.0 1 0 0 100.0 1233.3 425.0 1658.3 View list
11 1080136779 Faurie, D (Dawie) 1 0.5 0 1 0 50.0 1247.1 0.0 1247.1 View list
12 1090109670 Swartz, T (Tayrese) 1 0.0 0 0 1 0.0 1247.1 -425.0 822.1 View list
13 1100096199 Petersen, S (Shenwin) 1 0.0 0 0 1 0.0 1233.3 -425.0 808.3 View list
14 1100119486 Muller, K (Kieran) 1 0.0 0 0 1 0.0 1233.3 -425.0 808.3 View list
15 1100130764 Claassen, R (Raynier) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1090130763 Claassen, M (Migael) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1100130762 Claassen, M (Mervin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list