Player Page

Bubb, J (John)
Dob: 2014/02/17 (U12)
Gender: Male
Chess SA id: 1140138958
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/09/03 (272 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 rating1275.3
Curent Weighted rating1255.5
Curent Weighted performance1160.1
Current official/published rating (highest between Raw, WR and WP)1275.3
Current floor (min rating allowed)775.3
Current highest rating achieved1275.3
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)±148.9
Current Raw change used (final)0.0
Projected new Raw rating1275.3
Projected new Weighed rating1258.2
Projected new Weighted performance1160.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1275.3
Projected new floor775.3
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 rating1242.8
Curent Weighted rating1222.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1242.8
Current floor (min rating allowed)742.8
Current highest rating achieved1242.8
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)±156.0
Current Raw change used (final)0.0
Projected new Raw rating1242.8
Projected new Weighed rating1225.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1242.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1242.8
Projected new floor742.8
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 rating1287.7
Curent Weighted rating1273.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1287.7
Current floor (min rating allowed)787.7
Current highest rating achieved1287.7
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)±146.3
Current Raw change used (final)0.0
Projected new Raw rating1287.7
Projected new Weighed rating1275.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1287.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1287.7
Projected new floor787.7
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 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)787.7
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 floor787.7
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Western Cape Top Schools 2023 (U9 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 4.0 1239.4 1183.2 Analysis
5 CT Metro District East Top Schools Chess 2023 (U9 Mixed) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 5 4 3.0 1217.4 1255.3 Analysis
4 Western Cape PS Individuals 2023 (U9 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1236.2 1200.0 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys) 2023/03/04 2023/03/04 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1226.0 1233.3 Analysis
2 District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) 2023/02/04 2023/02/04 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1214.8 1220.0 Analysis
1 2022 East Dist Individuals (U9) 2022/03/12 2022/03/12 Cape Town (WCT) Rapid 45 0.74 6 6 3.5 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 32 18 1 13 18.5 57.8 66.4 1241.2 1307.7
White 17 8 0 9 8.0 47.1 -25.0 1247.8 1222.8
Black 15 10 1 4 10.5 70.0 170.0 1233.8 1403.8
Standard All 12 6 0 6 6.0 50.0 0.0 1279.4 1279.4
White 6 2 0 4 2.0 33.3 -141.7 1276.6 1135.0
Black 6 4 0 2 4.0 66.7 141.7 1282.1 1423.8
Rapid All 20 12 1 7 12.5 62.5 106.3 1218.4 1324.6
White 11 6 0 5 6.0 54.5 38.6 1232.1 1270.7
Black 9 6 1 2 6.5 72.2 188.9 1201.6 1390.5
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 2150138964 Martin, E (Emma) 2 1.0 1 0 1 50.0 1208.7 0.0 1208.7 View list
2 2150138957 Bell, E (Emihle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1140137728 Kriel, D (Daniel) 1 1.0 1 0 0 100.0 1236.2 425.0 1661.2 View list
4 1140138136 Jacobs, E (Emmanuel) 1 1.0 1 0 0 100.0 1226.0 425.0 1651.0 View list
5 1140158924 Mynhardt, W (Wihan) 1 1.0 1 0 0 100.0 1217.4 425.0 1642.4 View list
6 1140158927 Pienaar, S (Skyler) 1 1.0 1 0 0 100.0 1217.4 425.0 1642.4 View list
7 1130138969 Owynng, S (Shannon) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 2150150276 Smith, W (Willow) 1 1.0 1 0 0 100.0 1214.8 425.0 1639.8 View list
9 1140136596 Punt, C (Christiaan Rufus) 1 1.0 1 0 0 100.0 1239.4 425.0 1664.4 View list
10 1150147907 Sonday, R (Rayyan) 1 1.0 1 0 0 100.0 1226.0 425.0 1651.0 View list
11 1150140125 Techow-Grubert, D (Dominik) 1 1.0 1 0 0 100.0 1226.0 425.0 1651.0 View list
12 1150150123 Van Den Berg, A (Albert) 1 1.0 1 0 0 100.0 1217.4 425.0 1642.4 View list
13 2140161503 Van Der Bank, R (Recailinn) 1 1.0 1 0 0 100.0 1239.4 425.0 1664.4 View list
14 1150136957 Van Der Merwe, O (Oliver) 1 1.0 1 0 0 100.0 1239.4 425.0 1664.4 View list
15 1140151421 Van Eeden, M (Matthew) 1 1.0 1 0 0 100.0 1239.4 425.0 1664.4 View list
16 1150150277 Viljoen, J (Jordan Joshua) 1 1.0 1 0 0 100.0 1214.8 425.0 1639.8 View list
17 1150140719 Webb, P (Paul) 1 1.0 1 0 0 100.0 1214.8 425.0 1639.8 View list
18 1140139298 Wyngaard, M (Michael) 1 1.0 1 0 0 100.0 1236.2 425.0 1661.2 View list
19 1130138976 Van Den Breg, S (Stefan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 1140138973 Stewart, N (Neil) 1 0.0 0 0 1 0.0 1214.8 -425.0 789.8 View list