Player Page

Posthumus, S (Stephen)
Dob: 2010/03/01 (U16)
Gender: Male
Chess SA id: 1100138623
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (468 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 rating1213.5
Curent Weighted rating1208.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1213.5
Current floor (min rating allowed)713.5
Current highest rating achieved1213.5
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)±162.7
Current Raw change used (final)0.0
Projected new Raw rating1213.5
Projected new Weighed rating1209.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1213.5
Projected new floor713.5
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 rating1233.6
Curent Weighted rating1229.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1233.6
Current floor (min rating allowed)733.6
Current highest rating achieved1233.6
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)±158.1
Current Raw change used (final)0.0
Projected new Raw rating1233.6
Projected new Weighed rating1230.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1233.6
Projected new floor733.6
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 rating1155.6
Curent Weighted rating1154.4
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 rating1154.9
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
3 North District School Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1176.0 1200.0 Analysis
2 Metro Rapid 2022 (U13 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1161.4 1118.8 Analysis
1 District North 2022 (U13) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 6 5 1.0 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 16 7 1 8 7.5 46.9 -26.6 1216.5 1189.9
White 9 5 0 4 5.0 55.6 47.2 1239.4 1286.6
Black 7 2 1 4 2.5 35.7 -121.4 1187.1 1065.7
Standard All 6 3 1 2 3.5 58.3 70.8 1264.8 1335.7
White 3 1 0 2 1.0 33.3 -141.7 1329.6 1188.0
Black 3 2 1 0 2.5 83.3 283.3 1200.0 1483.3
Rapid All 10 4 0 6 4.0 40.0 -85.0 1187.5 1102.5
White 6 4 0 2 4.0 66.7 141.7 1194.3 1335.9
Black 4 0 0 4 0.0 0.0 -425.0 1177.4 752.4
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 1080138620 Mxuma, L (Lunika) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1110150495 Marks, S (Shaydin) 1 1.0 1 0 0 100.0 1176.0 425.0 1601.0 View list
3 1110150439 Smit, D (Danie) 1 1.0 1 0 0 100.0 1176.0 425.0 1601.0 View list
4 1090134113 Rubusana, A (Anda) 1 1.0 1 0 0 100.0 1161.4 425.0 1586.4 View list
5 1110150421 Faure, D (Douglas) 1 1.0 1 0 0 100.0 1176.0 425.0 1601.0 View list
6 1100118917 Jawoodien, A (Aziz) 1 1.0 1 0 0 100.0 1161.4 425.0 1586.4 View list
7 1100130981 Damonse, C (Cameron) 1 1.0 1 0 0 100.0 1161.4 425.0 1586.4 View list
8 1100150483 Dominique, K (Kabeya Glory) 1 0.5 0 1 0 50.0 1176.0 0.0 1176.0 View list
9 109077360 Van Wyk, W (Will) 1 0.0 0 0 1 0.0 1161.4 -425.0 736.4 View list
10 1110131083 Priestley, L (Liam) 1 0.0 0 0 1 0.0 1176.0 -425.0 751.0 View list
11 2090101921 Kwali, L (Liyabona) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 110084035 Jacobs, R (Raidon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 1100132105 Els, A (Aiden) 1 0.0 0 0 1 0.0 1161.4 -425.0 736.4 View list
14 2100097014 De Wee, J (Jaydene) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 2090101935 Cloete, N (Nieka) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1110132058 Braaf, J (Jordan) 1 0.0 0 0 1 0.0 1176.0 -425.0 751.0 View list