Player Page

Johnston, D (Dean)
Dob: 2010/11/16 (U16)
Gender: Male
Chess SA id: 1100147740
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/07/31 (291 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 rating1152.4
Curent Weighted rating1159.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1159.4
Current floor (min rating allowed)686.6
Current highest rating achieved1186.6
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)±177.5
Current Raw change used (final)0.0
Projected new Raw rating1152.4
Projected new Weighed rating1158.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1158.0
Projected effective change (new Official - current Official)-1.3
Projected new highest rating1186.6
Projected new floor686.6
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 rating1153.2
Curent Weighted rating1161.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1161.5
Current floor (min rating allowed)668.0
Current highest rating achieved1168.0
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)±177.2
Current Raw change used (final)0.0
Projected new Raw rating1153.2
Projected new Weighed rating1160.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1160.0
Projected effective change (new Official - current Official)-1.5
Projected new highest rating1168.0
Projected new floor668.0
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 rating1178.0
Curent Weighted rating1179.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1179.1
Current floor (min rating allowed)678.0
Current highest rating achieved1178.0
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)±171.1
Current Raw change used (final)0.0
Projected new Raw rating1178.0
Projected new Weighed rating1178.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1178.7
Projected effective change (new Official - current Official)-0.4
Projected new highest rating1178.0
Projected new floor678.0
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)678.0
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 floor678.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Bellville Club Championship 2023 2023/04/17 2023/07/31 Cape Town (WCT) Standard 60 0.83 7 1 0.0 1164.4 1168.0 Analysis
2 North District School Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1186.6 1200.0 Analysis
1 Kenridge Rapid 2022 (U14) 2022/11/05 2022/11/05 Cape Town (WCT) Rapid 25 0.54 6 6 2.5 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 13 3 3 7 4.5 34.6 -130.8 1216.7 1085.9
White 7 2 1 4 2.5 35.7 -121.4 1224.4 1103.0
Black 6 1 2 3 2.0 33.3 -141.7 1207.7 1066.0
Standard All 7 1 2 4 2.0 28.6 -182.1 1246.5 1064.4
White 4 0 1 3 0.5 12.5 -318.8 1250.4 931.6
Black 3 1 1 1 1.5 50.0 0.0 1241.4 1241.4
Rapid All 6 2 1 3 2.5 41.7 -70.8 1181.9 1111.1
White 3 2 0 1 2.0 66.7 141.7 1189.8 1331.4
Black 3 0 1 2 0.5 16.7 -283.3 1174.0 890.7
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 1100147739 Janse Van Rensburg, W (Wian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1100147737 Boesak, N (Neo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1110150473 Blankenberg, V (Verntaygon) 1 1.0 1 0 0 100.0 1186.6 425.0 1611.6 View list
4 1100119275 Dundee, J (Jonathan) 1 0.5 0 1 0 50.0 1186.6 0.0 1186.6 View list
5 1110150512 Wilschut, M (Marcelino) 1 0.5 0 1 0 50.0 1186.6 0.0 1186.6 View list
6 1090141161 Pillay, D (Desan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
7 1100134367 Gwanzura, K (Kevin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1090138811 Fisher, J (Joshua) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 211087036 Osborne, H (Hannah) 1 0.0 0 0 1 0.0 1164.4 -425.0 739.4 View list
10 1110108081 Muller, H (Helgard) 1 0.0 0 0 1 0.0 1186.6 -425.0 761.6 View list
11 1090137382 Mudenda, D (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1100109825 Du Raan, C (Cobus) 1 0.0 0 0 1 0.0 1186.6 -425.0 761.6 View list
13 1100150471 Beukes, T (Thurston) 1 0.0 0 0 1 0.0 1186.6 -425.0 761.6 View list