Player Page

Joubert, J (Jonathan)
Dob: 2011/03/18 (U14)
Gender: Male
Chess SA id: 1110145749
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (73 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 rating1263.0
Current Weighted rating1239.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1263.0
Current highest rating achieved1263.0
Current floor (min rating allowed)763.0
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)±151.6
Current Raw change used (final)0.0
Projected new Raw rating1263.0
Projected new Weighed rating1141.2
Projected new Weighted performance773.0
Projected new final Raw rating (if new WP > new Raw)1263.0
Projected new highest rating1263.0
Projected new floor763.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1263.0
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 rating1274.2
Current Weighted rating1247.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1274.2
Current highest rating achieved1274.2
Current floor (min rating allowed)774.2
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)±149.2
Current Raw change used (final)0.0
Projected new Raw rating1274.2
Projected new Weighed rating1148.8
Projected new Weighted performance773.0
Projected new final Raw rating (if new WP > new Raw)1274.2
Projected new highest rating1274.2
Projected new floor774.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.2
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
1 District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1250.5 1261.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1250.5 1261.2 Analysis
1 2023 Tshwane North School District CLOSED League Championships (D3) (U13) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1230.0 1315.0
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 1 0 2 1.0 33.3 -141.7 1250.0 1108.3
Standard All 5 3 0 2 3.0 60.0 85.0 1230.0 1315.0
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 1 0 2 1.0 33.3 -141.7 1250.0 1108.3
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 10 7 0 3 7.0 70.0 170.0 1220.7 1390.7
White 5 4 0 1 4.0 80.0 255.0 1194.3 1449.3
Black 5 3 0 2 3.0 60.0 85.0 1247.0 1332.0
Standard All 10 7 0 3 7.0 70.0 170.0 1220.7 1390.7
White 5 4 0 1 4.0 80.0 255.0 1194.3 1449.3
Black 5 3 0 2 3.0 60.0 85.0 1247.0 1332.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120303362 Sibande, K (Karabo) 1 1.0 1 0 0 100.0 1250.5 425.0 1675.5 View list
2 1110155371 Raphotle, A (Amogelang) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1120303358 Ntamatungiro, Z (Zakes) 1 1.0 1 0 0 100.0 1250.5 425.0 1675.5 View list
4 1100155960 Munyai, O (Oratilwe Carolex) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100155958 Mokhabela, K (Kgothatso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1120155925 Maodi, O (Oratile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1120303345 De Villiers, P (Petri) 1 1.0 1 0 0 100.0 1250.5 425.0 1675.5 View list
8 1120115610 Van Niekerk, CD (Christiaan David) 1 0.0 0 0 1 0.0 1250.5 -425.0 825.5 View list
9 1110114818 Van Der Walt, H (Henrico) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1120303356 Mtungwa, M (Mbuso) 1 0.0 0 0 1 0.0 1250.5 -425.0 825.5 View list