Player Page

De Villiers, J (Jean)
Dob: 2008/04/19 (U18)
Gender: Male
Chess SA id: 1080153732
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/03/11 (255 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 rating1233.9
Current Weighted rating1243.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1243.9
Current highest rating achieved1265.2
Current floor (min rating allowed)765.2
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)±158.0
Current Raw change used (final)0.0
Projected new Raw rating1233.9
Projected new Weighed rating1144.4
Projected new Weighted performance860.0
Projected new final Raw rating (if new WP > new Raw)1233.9
Projected new highest rating1265.2
Projected new floor765.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.9
Projected effective change (new Official - current Official)-10.0
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 rating1236.3
Current Weighted rating1248.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1248.6
Current highest rating achieved1274.1
Current floor (min rating allowed)774.1
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)±157.5
Current Raw change used (final)0.0
Projected new Raw rating1236.3
Projected new Weighed rating1148.7
Projected new Weighted performance860.0
Projected new final Raw rating (if new WP > new Raw)1236.3
Projected new highest rating1274.1
Projected new floor774.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1236.3
Projected effective change (new Official - current Official)-12.3
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 Dainfern College Chess League 2024 (A) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 1 0.0 1251.8 1258.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Dainfern College Chess League 2024 (A) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 1 0.0 1251.8 1258.3 Analysis
3 St Peters College Chess League 2023 (A) 2023/09/11 2023/10/23 Johannesburg Metro (GJM) Standard 60 0.83 6 5 1.5 1265.2 1274.1 Analysis
2 Steyn City School Chess League 2023 (A) 2023/05/05 2023/05/29 Johannesburg Metro (GJM) Standard 60 0.83 6 4 2.0 1255.3 1262.6 Analysis
1 Dainfern College Chess League 2023 (A) 2023/01/30 2023/03/13 Johannesburg Metro (GJM) Standard 60 0.83 6 6 4.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
White 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Standard All 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
White 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
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 16 7 2 7 8.0 50.0 0.0 1298.9 1298.9
White 8 5 0 3 5.0 62.5 106.3 1281.6 1387.9
Black 8 2 2 4 3.0 37.5 -106.3 1316.1 1209.9
Standard All 16 7 2 7 8.0 50.0 0.0 1298.9 1298.9
White 8 5 0 3 5.0 62.5 106.3 1281.6 1387.9
Black 8 2 2 4 3.0 37.5 -106.3 1316.1 1209.9
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 2070117343 Pauwels, P (Piper) 2 2.0 2 0 0 100.0 1260.3 425.0 1685.3 View list
2 1080152480 Pagenkopf, C (Christian) 2 1.5 1 1 0 75.0 1260.3 212.5 1472.8 View list
3 209092675 Ramlall, S (Sanjana) 2 0.0 0 0 2 0.0 1260.3 -425.0 835.3 View list
4 205068846 Donaldson, K (Kiera) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1050134892 Shubham, K (Kale) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1070134890 Narothan, N (Nicholas) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1060153746 Mahlatsi, R (Remothabetse) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1060153735 Dowse, D (Daniel) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 1070119419 Shatlin, D (Damien) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1070301661 Reddy, K (Kamran) 1 0.0 0 0 1 0.0 1251.8 -425.0 826.8 View list
11 1060133825 Paiker, J (Joey) 1 0.0 0 0 1 0.0 1265.2 -425.0 840.2 View list
12 1090153753 Muthuselvan, J (Jayanthan) 1 0.0 0 0 1 0.0 1255.3 -425.0 830.3 View list
13 108085070 Moustakis, C (Costa) 1 0.0 0 0 1 0.0 1265.2 -425.0 840.2 View list