Player Page

Pieterse, J (Jamel)
Dob: 2013/10/01 (U12)
Gender: Male
Chess SA id: 1130300864
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (46 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 rating1117.2
Current Weighted rating1192.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1192.2
Current highest rating achieved1192.3
Current floor (min rating allowed)692.3
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)±186.6
Current Raw change used (final)0.0
Projected new Raw rating1117.2
Projected new Weighed rating1096.5
Projected new Weighted performance796.8
Projected new final Raw rating (if new WP > new Raw)1117.2
Projected new highest rating1192.3
Projected new floor692.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1117.2
Projected effective change (new Official - current Official)-75.0
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 rating1119.6
Current Weighted rating1193.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1193.6
Current highest rating achieved1119.6
Current floor (min rating allowed)619.6
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)±185.9
Current Raw change used (final)0.0
Projected new Raw rating1119.6
Projected new Weighed rating1097.8
Projected new Weighted performance299.8
Projected new final Raw rating (if new WP > new Raw)1119.6
Projected new highest rating1119.6
Projected new floor619.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1119.6
Projected effective change (new Official - current Official)-74.0
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 rating1180.4
Current Weighted rating1197.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.4
Current highest rating achieved1193.2
Current floor (min rating allowed)693.2
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)±170.5
Current Raw change used (final)0.0
Projected new Raw rating1180.4
Projected new Weighed rating1101.5
Projected new Weighted performance660.6
Projected new final Raw rating (if new WP > new Raw)1180.4
Projected new highest rating1193.2
Projected new floor693.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1180.4
Projected effective change (new Official - current Official)-17.0
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Robertson Strategema Chess May 2024 (U11) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.0 1192.3 1193.2 Analysis
2 Worcester PS League 2024 (U13) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 7 6 1.0 1192.3 1200.0 Analysis
1 Brave Knights 2024 (U11) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Robertson Strategema Chess May 2024 (U11) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.0 1192.3 1193.2 Analysis
2 Worcester PS League 2024 (U13) 2024/04/27 2024/04/27 Cape Winelands (WCW) Standard 60 0.83 7 6 1.0 1192.3 1200.0 Analysis
1 Brave Knights 2024 (U11) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 5 2 10 6.0 35.3 -125.0 1182.5 1057.5
White 8 3 0 5 3.0 37.5 -106.3 1178.0 1071.8
Black 9 2 2 5 3.0 33.3 -141.7 1186.4 1044.8
Standard All 6 0 2 4 1.0 16.7 -283.3 1201.5 918.2
White 3 0 0 3 0.0 0.0 -425.0 1198.7 773.7
Black 3 0 2 1 1.0 33.3 -141.7 1204.4 1062.7
Rapid All 11 5 0 6 5.0 45.5 -38.6 1172.1 1133.4
White 5 3 0 2 3.0 60.0 85.0 1165.6 1250.6
Black 6 2 0 4 2.0 33.3 -141.7 1177.4 1035.8
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 17 5 2 10 6.0 35.3 -125.0 1182.5 1057.5
White 8 3 0 5 3.0 37.5 -106.3 1178.0 1071.8
Black 9 2 2 5 3.0 33.3 -141.7 1186.4 1044.8
Standard All 6 0 2 4 1.0 16.7 -283.3 1201.5 918.2
White 3 0 0 3 0.0 0.0 -425.0 1198.7 773.7
Black 3 0 2 1 1.0 33.3 -141.7 1204.4 1062.7
Rapid All 11 5 0 6 5.0 45.5 -38.6 1172.1 1133.4
White 5 3 0 2 3.0 60.0 85.0 1165.6 1250.6
Black 6 2 0 4 2.0 33.3 -141.7 1177.4 1035.8
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 2140140074 Oliphant, E (Elnique) 2 2.0 2 0 0 100.0 1196.2 425.0 1621.2 View list
2 2130304711 Sekoe, M (Mellinda) 1 1.0 1 0 0 100.0 1192.3 425.0 1617.3 View list
3 1140300866 Rudolf, G (Gladwin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1140159013 Fluks, J (Jovan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2150162881 Ferus, Z (Zarah) 1 0.5 0 1 0 50.0 1192.3 0.0 1192.3 View list
6 1140303266 Skeyi, A (Ayama) 1 0.5 0 1 0 50.0 1192.3 0.0 1192.3 View list
7 1120149760 Van Wyk, C (Caylem) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
8 1120303267 Steynder, J (Jo-Wayne) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
9 1130192802 Rankin, A (Alexander Rohan) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
10 1110303264 Mlanjeni, A (Amenathi) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
11 1110162347 Geldenhuys, J (Joshua) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
12 2130191174 Diedericks, S (Shardonique) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
13 1140300861 Davids, M (Mj) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 2140149832 Colyn, E (Estelanie) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 2130139487 Cilliers, D (Dene) 1 0.0 0 0 1 0.0 1192.3 -425.0 767.3 View list
16 1130300860 Carlse, A (Andreo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list