Player Page

Van Rooyen, J (Jean)
Dob: 2009/04/06 (U16)
Gender: Male
Chess SA id: 1090156762
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (272 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
Curent Raw rating1235.6
Curent Weighted rating1227.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1235.6
Current floor (min rating allowed)735.6
Current highest rating achieved1235.6
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)±157.6
Current Raw change used (final)0.0
Projected new Raw rating1235.6
Projected new Weighed rating1228.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1235.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1235.6
Projected new floor735.6
Projected new K-facor36
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
Curent Raw rating1237.4
Curent Weighted rating1229.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1237.4
Current floor (min rating allowed)737.4
Current highest rating achieved1237.4
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)±157.2
Current Raw change used (final)0.0
Projected new Raw rating1237.4
Projected new Weighed rating1230.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1237.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1237.4
Projected new floor737.4
Projected new K-facor36
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
Curent Raw rating1150.0
Curent Weighted rating1167.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1167.5
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±178.1
Current Raw change used (final)0.0
Projected new Raw rating1150.0
Projected new Weighed rating1165.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.2
Projected effective change (new Official - current Official)-2.3
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Bojanala School League 2023 (U15) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 2.0 1231.1 1200.0 Analysis
2 Bojanala's Rosewood 2023 (Rooks) 2023/08/12 2023/08/12 Bojanala Platina (NBR) Standard 60 0.83 5 0 0.0 1231.1 1237.4 Analysis
1 Olienpark - 2nd One for the Ages 2023 (U16) 2023/05/13 2023/05/13 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 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 9 5 0 4 5.0 55.6 47.2 1281.1 1328.3
White 4 1 0 3 1.0 25.0 -212.5 1329.4 1116.9
Black 5 4 0 1 4.0 80.0 255.0 1242.4 1497.4
Standard All 4 3 0 1 3.0 75.0 212.5 1208.8 1421.3
White 2 1 0 1 1.0 50.0 0.0 1226.8 1226.8
Black 2 2 0 0 2.0 100.0 425.0 1190.8 1615.8
Rapid All 5 2 0 3 2.0 40.0 -85.0 1338.9 1253.9
White 2 0 0 2 0.0 0.0 -425.0 1432.0 1007.0
Black 3 2 0 1 2.0 66.7 141.7 1276.9 1418.5
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 1080156759 Mogapi, B (Blessing) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 208092670 Mfi, R (Reatlegile) 1 1.0 1 0 0 100.0 1231.1 425.0 1656.1 View list
3 1090159997 Masilo, T (Tumelo) 1 1.0 1 0 0 100.0 1231.1 425.0 1656.1 View list
4 1090140022 Lesejane, T (Tshireletso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1090149566 Du Plessis, A (Anika) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 108065178 Van Der Walt, JHT (Jean Hendrik T) 1 0.0 0 0 1 0.0 1231.1 -425.0 806.1 View list
7 1090111282 Pedersen, J (Jj) 1 0.0 0 0 1 0.0 1231.1 -425.0 806.1 View list
8 208078409 Morake, O (Orefile) 1 0.0 0 0 1 0.0 1231.1 -425.0 806.1 View list
9 108076459 Molefinyane, O (Otlotleng) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list