Player Page

Pieterse, J (Jonathan)
Dob: 2012/01/01 (U14)
Gender: Male
Chess SA id: 1120149915
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (267 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 rating1336.0
Current Weighted rating1317.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1336.0
Current highest rating achieved1336.0
Current floor (min rating allowed)836.0
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)±136.6
Current Raw change used (final)0.0
Projected new Raw rating1336.0
Projected new Weighed rating1213.6
Projected new Weighted performance1149.1
Projected new final Raw rating (if new WP > new Raw)1336.0
Projected new highest rating1336.0
Projected new floor836.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1336.0
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 rating1354.1
Current Weighted rating1334.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1354.1
Current highest rating achieved1354.1
Current floor (min rating allowed)854.1
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)±133.1
Current Raw change used (final)0.0
Projected new Raw rating1354.1
Projected new Weighed rating1229.3
Projected new Weighted performance1149.1
Projected new final Raw rating (if new WP > new Raw)1354.1
Projected new highest rating1354.1
Projected new floor854.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1354.1
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 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
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 George Schools Trials 3 2024 (U13 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 3.0 1310.0 1323.9 Analysis
1 George Schools Trials 2 2024 (U13 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 4 2.0 1296.3 1312.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 George Schools Trials 3 2024 (U13 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 3.0 1310.0 1323.9 Analysis
3 George Schools Trials 2 2024 (U13 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 4 2.0 1296.3 1312.4 Analysis
2 George Chess Trials 3 2023 (U11 Boys) 2023/02/25 2023/02/25 Eden District (WEG) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
1 George Chess Trials 2 2023 (U11 Boys) 2023/02/11 2023/02/11 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 5 0 4 5.0 55.6 47.2 1377.4 1424.6
White 4 2 0 2 2.0 50.0 0.0 1368.5 1368.5
Black 5 3 0 2 3.0 60.0 85.0 1384.4 1469.4
Standard All 9 5 0 4 5.0 55.6 47.2 1377.4 1424.6
White 4 2 0 2 2.0 50.0 0.0 1368.5 1368.5
Black 5 3 0 2 3.0 60.0 85.0 1384.4 1469.4
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 19 11 1 7 11.5 60.5 89.5 1343.7 1433.2
White 8 5 0 3 5.0 62.5 106.3 1319.6 1425.9
Black 11 6 1 4 6.5 59.1 77.3 1361.3 1438.5
Standard All 19 11 1 7 11.5 60.5 89.5 1343.7 1433.2
White 8 5 0 3 5.0 62.5 106.3 1319.6 1425.9
Black 11 6 1 4 6.5 59.1 77.3 1361.3 1438.5
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120144639 Bench Van Rooyen, R (Rj) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
2 1130135830 Simon, R (Riley) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
3 1120149921 Willemse, O (Olwethu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1120150924 Wessels, O (Olwethu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1110149875 Tamboer, K (Kurt-Lee) 1 1.0 1 0 0 100.0 1310.0 425.0 1735.0 View list
6 1110135833 Stewart, E (Ewald) 1 1.0 1 0 0 100.0 1296.3 425.0 1721.3 View list
7 1130135809 Ahrense, C (Cullen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1120135819 Engel, T (Thomas) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1110192906 Nelani, I (Ibongwe) 1 1.0 1 0 0 100.0 1310.0 425.0 1735.0 View list
10 1120119489 Mouton, P (Paul) 1 1.0 1 0 0 100.0 1310.0 425.0 1735.0 View list
11 1110192902 Marriott Watson, T (Takaro) 1 1.0 1 0 0 100.0 1296.3 425.0 1721.3 View list
12 1120142291 Fredericks, R (Reuel) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
13 1110134726 Schmidt, U (Ulrich) 1 0.0 0 0 1 0.0 1310.0 -425.0 885.0 View list
14 1120131110 Punt, H (Heinrich) 1 0.0 0 0 1 0.0 1310.0 -425.0 885.0 View list
15 1120119465 Prins, E (Eddie) 1 0.0 0 0 1 0.0 1296.3 -425.0 871.3 View list
16 1110109382 Fourie, L (Loftie) 1 0.0 0 0 1 0.0 1296.3 -425.0 871.3 View list
17 1130134042 Coleman, F (Ferdinand) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list