Player Page

Mangana, J (Jan)
Dob: 2006/06/02 (U20)
Gender: Male
Chess SA id: 1060115207
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/05/19 (403 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 rating1021.9
Current Weighted rating1031.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1031.2
Current highest rating achieved1072.8
Current floor (min rating allowed)572.8
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)±213.7
Current Raw change used (final)0.0
Projected new Raw rating1021.9
Projected new Weighed rating947.8
Projected new Weighted performance346.3
Projected new final Raw rating (if new WP > new Raw)1021.9
Projected new highest rating1072.8
Projected new floor572.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1021.9
Projected effective change (new Official - current Official)-9.3
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 rating1050.0
Current Weighted rating1050.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1050.0
Current highest rating achieved1050.0
Current floor (min rating allowed)550.0
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)±205.3
Current Raw change used (final)0.0
Projected new Raw rating1050.0
Projected new Weighed rating966.0
Projected new Weighted performance178.7
Projected new final Raw rating (if new WP > new Raw)1050.0
Projected new highest rating1050.0
Projected new floor550.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1050.0
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 rating1084.0
Current Weighted rating1105.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1105.3
Current highest rating achieved1084.0
Current floor (min rating allowed)584.0
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)±195.6
Current Raw change used (final)0.0
Projected new Raw rating1084.0
Projected new Weighed rating1014.7
Projected new Weighted performance218.5
Projected new final Raw rating (if new WP > new Raw)1084.0
Projected new highest rating1084.0
Projected new floor584.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1084.0
Projected effective change (new Official - current Official)-21.3
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 Gauteng Open Arnold Classic 2023 (LSEN SID) 2023/05/19 2023/05/19 Tshwane (GTP) Rapid 30 0.60 7 6 0.0 1072.8 1200.0 Analysis
2 2019 Gauteng Disabled Schools Individual Chess Championships (U15 SID) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1200.0 1200.0 Analysis
1 2019 SWVG Arnold Classic (U16 SID) 2019/05/17 2019/05/17 Tshwane (GTP) Standard 60 0.83 5 5 0.5 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 0 1 14 0.5 3.3 -396.7 1201.4 804.8
White 6 0 0 6 0.0 0.0 -425.0 1200.0 775.0
Black 9 0 1 8 0.5 5.6 -377.8 1202.4 824.6
Standard All 9 0 1 8 0.5 5.6 -377.8 1212.1 834.3
White 4 0 0 4 0.0 0.0 -425.0 1200.0 775.0
Black 5 0 1 4 0.5 10.0 -340.0 1221.7 881.7
Rapid All 6 0 0 6 0.0 0.0 -425.0 1185.5 760.5
White 2 0 0 2 0.0 0.0 -425.0 1200.0 775.0
Black 4 0 0 4 0.0 0.0 -425.0 1178.2 753.2
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 1050115205 Van Rooyen, E (Edghardt) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
2 103081164 Nyauza, M (Mpho) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
3 2040115384 Truter, M (Megan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 1020155717 Shalang, M (Molefi) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
5 1080154123 Scheepers, D (Danheen) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
6 1060115206 Nzimande, M (Mpendulo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1130155711 Nyuaza, M (Mpho) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
8 1050115204 Nhlapo, M (Mduduzi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 2050154122 Ndamse, O (Onebango) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
10 1060111974 Mncube, M (Mcebiseni) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1070155725 Maiwele, M (Musa) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
12 103095924 Macwele, M (Musawenkosi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 1070155687 Loubser, D (Daniel) 1 0.0 0 0 1 0.0 1072.8 -425.0 647.8 View list
14 1050115383 Coxen, V (Vusi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list