Player Page

Ngobeni, S (Sarah Ruther)
Dob: 2007/02/17 (U18)
Gender: Female
Chess SA id: 207091071
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2019/05/25 (2010 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 rating703.9
Current Weighted rating703.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)703.9
Current highest rating achieved703.9
Current floor (min rating allowed)500.0
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)±336.2
Current Raw change used (final)0.0
Projected new Raw rating703.9
Projected new Weighed rating647.6
Projected new Weighted performance206.0
Projected new final Raw rating (if new WP > new Raw)703.9
Projected new highest rating703.9
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)703.9
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 rating748.8
Current Weighted rating748.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)748.8
Current highest rating achieved748.8
Current floor (min rating allowed)500.0
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)±315.4
Current Raw change used (final)0.0
Projected new Raw rating748.8
Projected new Weighed rating688.9
Projected new Weighted performance206.0
Projected new final Raw rating (if new WP > new Raw)748.8
Projected new highest rating748.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)748.8
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2019 Gauteng Primary Schools Individual Chess Championships (U13 Girls) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 646.1 678.8 Analysis
2 2018 Gauteng League Final (U13 Girls) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 547.8 560.8 Analysis
1 2018 Gauteng Secondary Schools Individual Chess Championships (U11 Girls) 2018/05/25 2018/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 500.0 500.0 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 15 8 0 7 8.0 53.3 28.3 988.2 1016.6
White 6 5 0 1 5.0 83.3 283.3 987.2 1270.6
Black 9 3 0 6 3.0 33.3 -141.7 988.9 847.3
Standard All 15 8 0 7 8.0 53.3 28.3 988.2 1016.6
White 6 5 0 1 5.0 83.3 283.3 987.2 1270.6
Black 9 3 0 6 3.0 33.3 -141.7 988.9 847.3
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 205072960 King, M (Mavis) 1 1.0 1 0 0 100.0 547.8 425.0 972.8 View list
2 207090395 Mokoena, BM (Biotumelo Mahlodi) 1 1.0 1 0 0 100.0 547.8 425.0 972.8 View list
3 208093692 Pretorius, A (Amelia) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
4 208059167 Oosthuizen, L (Luelsje) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
5 207094342 Ngwenya, F (Fortunate) 1 1.0 1 0 0 100.0 646.1 425.0 1071.1 View list
6 209093696 Swart, L (Linzey) 1 1.0 1 0 0 100.0 547.8 425.0 972.8 View list
7 2070099074 Sefanyetso, T (Tlotliso) 1 1.0 1 0 0 100.0 547.8 425.0 972.8 View list
8 2070115275 Mulaudzi, M (Musa) 1 1.0 1 0 0 100.0 646.1 425.0 1071.1 View list
9 207067183 Msiwa, N (Nokuthula) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
10 208066845 Roos, G (Gabriella) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
11 2070101262 Rasepae, AK (Aobakwe Katlego) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
12 206064938 Mvundla, T (Thandiswa) 1 0.0 0 0 1 0.0 646.1 -425.0 221.1 View list
13 2060105202 Luies, C (Chane) 1 0.0 0 0 1 0.0 646.1 -425.0 221.1 View list
14 206092313 Louw, A (Arne) 1 0.0 0 0 1 0.0 646.1 -425.0 221.1 View list
15 207077144 Bezuidenhout, L (Lounel) 1 0.0 0 0 1 0.0 547.8 -425.0 122.8 View list