Player Page

Johnston, S (Samuel)
Dob: 2008/05/02 (U18)
Gender: Male
Chess SA id: 1080096089
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2019/02/23 (1950 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 rating1140.4
Current Weighted rating1140.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1140.4
Current highest rating achieved1140.4
Current floor (min rating allowed)640.4
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)±180.5
Current Raw change used (final)0.0
Projected new Raw rating1140.4
Projected new Weighed rating1049.2
Projected new Weighted performance179.7
Projected new final Raw rating (if new WP > new Raw)1140.4
Projected new highest rating1140.4
Projected new floor640.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1140.4
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 rating1102.8
Current Weighted rating1102.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1102.8
Current highest rating achieved1102.8
Current floor (min rating allowed)602.8
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)±190.4
Current Raw change used (final)0.0
Projected new Raw rating1102.8
Projected new Weighed rating1014.6
Projected new Weighted performance58.8
Projected new final Raw rating (if new WP > new Raw)1102.8
Projected new highest rating1102.8
Projected new floor602.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1102.8
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 rating1216.4
Current Weighted rating1216.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1216.4
Current highest rating achieved1216.4
Current floor (min rating allowed)716.4
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)±162.0
Current Raw change used (final)0.0
Projected new Raw rating1216.4
Projected new Weighed rating1119.1
Projected new Weighted performance139.7
Projected new final Raw rating (if new WP > new Raw)1216.4
Projected new highest rating1216.4
Projected new floor716.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.4
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
3 Welgemoed Chess Challenge 2019 (U12) 2019/02/23 2019/02/23 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1119.3 1200.0 Analysis
2 2018 Central District Trials (U11) 2018/02/02 2018/02/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1200.0 1200.0 Analysis
1 WP District South 2018 (U11) 2018/02/01 2018/02/02 Cape Town (WCT) Standard 60 0.83 6 1 0.0 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 12 5 0 7 5.0 41.7 -70.8 1101.2 1030.3
White 6 2 0 4 2.0 33.3 -141.7 1087.1 945.5
Black 6 3 0 3 3.0 50.0 0.0 1115.2 1115.2
Standard All 7 2 0 5 2.0 28.6 -182.1 1047.3 865.1
White 4 2 0 2 2.0 50.0 0.0 1025.0 1025.0
Black 3 0 0 3 0.0 0.0 -425.0 1076.9 651.9
Rapid All 5 3 0 2 3.0 60.0 85.0 1176.6 1261.6
White 2 0 0 2 0.0 0.0 -425.0 1211.5 786.5
Black 3 3 0 0 3.0 100.0 425.0 1153.4 1578.4
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 1090109847 Hugo, E (Emil) 1 1.0 1 0 0 100.0 1119.3 425.0 1544.3 View list
2 207088200 Gamzana, S (Simthandile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 108093008 Dibden, C (Cameron) 1 1.0 1 0 0 100.0 1119.3 425.0 1544.3 View list
4 107059401 Siyo, O (Owethu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1080097553 Siwa, I (Inako) 1 1.0 1 0 0 100.0 1119.3 425.0 1544.3 View list
6 109068118 Spiller, C (Caden) 1 0.0 0 0 1 0.0 1119.3 -425.0 694.3 View list
7 1120096364 Rabinowitz, A (Adam) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 107094988 Matthews, L (Luke) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1080109852 Kunnie, RM (Reilan Matteo) 1 0.0 0 0 1 0.0 1119.3 -425.0 694.3 View list
10 108072311 Karsten, JD (Jan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 107093481 Chen, P (Po-Hao) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1070096095 Bake, Z (Zenzo Alessandro) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list