Player Page

Joubert, J (Juan)
Dob: 2008/06/23 (U18)
Gender: Male
Chess SA id: 1080143425
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (314 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 rating1260.6
Current Weighted rating1238.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1260.6
Current highest rating achieved1260.6
Current floor (min rating allowed)760.6
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)±152.1
Current Raw change used (final)0.0
Projected new Raw rating1260.6
Projected new Weighed rating1141.0
Projected new Weighted performance922.4
Projected new final Raw rating (if new WP > new Raw)1260.6
Projected new highest rating1260.6
Projected new floor760.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1260.6
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 rating1271.8
Current Weighted rating1245.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1271.8
Current highest rating achieved1271.8
Current floor (min rating allowed)771.8
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)±149.7
Current Raw change used (final)0.0
Projected new Raw rating1271.8
Projected new Weighed rating1147.7
Projected new Weighted performance922.4
Projected new final Raw rating (if new WP > new Raw)1271.8
Projected new highest rating1271.8
Projected new floor771.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1271.8
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 4.5 1204.7 1204.8 Analysis
2 Gauteng Schools Individual Finals 2023 (U15 Boys) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1176.8 1171.6 Analysis
1 2022 Gauteng Schools Individual Chess Championship (U15 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 1.5 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 15 7 3 5 8.5 56.7 56.7 1255.6 1312.3
White 8 4 2 2 5.0 62.5 106.3 1233.4 1339.6
Black 7 3 1 3 3.5 50.0 0.0 1281.1 1281.1
Standard All 15 7 3 5 8.5 56.7 56.7 1255.6 1312.3
White 8 4 2 2 5.0 62.5 106.3 1233.4 1339.6
Black 7 3 1 3 3.5 50.0 0.0 1281.1 1281.1
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 206001830 Bent, C (Cierra) 1 1.0 1 0 0 100.0 1204.7 425.0 1629.7 View list
2 1060146136 Nkosi, T (Thando) 1 1.0 1 0 0 100.0 1204.7 425.0 1629.7 View list
3 1070155885 Motaung, K (Kelebohile) 1 1.0 1 0 0 100.0 1204.7 425.0 1629.7 View list
4 1080143439 Molefe, B (Bandzile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1090155446 Tshabalala, M (Mduduzi) 1 1.0 1 0 0 100.0 1176.8 425.0 1601.8 View list
6 106072964 Tom, N (Naledi) 1 1.0 1 0 0 100.0 1204.7 425.0 1629.7 View list
7 1080155441 Sambo, L (Leago) 1 1.0 1 0 0 100.0 1176.8 425.0 1601.8 View list
8 1080099597 Rossouw, W (Wessel Johannes) 1 0.5 0 1 0 50.0 1176.8 0.0 1176.8 View list
9 1080143450 Rikhotso, N (Nyiko) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
10 1090156524 Van Zyl, G (Gerhardus Tj) 1 0.5 0 1 0 50.0 1204.7 0.0 1204.7 View list
11 1080143456 Van Rheede Van Oudtshoorn, E (Ewald) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1080155436 Olifant, L (Lethabo) 1 0.0 0 0 1 0.0 1176.8 -425.0 751.8 View list
13 109083783 Kushar, T (Tristan) 1 0.0 0 0 1 0.0 1176.8 -425.0 751.8 View list
14 1080097365 Kriel, D (Devin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 108052034 Du Toit, SJM (Stephanus (Matteo)) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list