Player Page

Van Vollenhoven, I (Ian)
Dob: 1988/02/25 (Adult)
Gender: Male
Chess SA id: 188040685
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2022/01/08 (849 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 rating1621.3
Curent Weighted rating1365.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1621.3
Current floor (min rating allowed)1121.3
Current highest rating achieved1621.3
Current K-factor28
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)±91.0
Current Raw change used (final)0.0
Projected new Raw rating1621.3
Projected new Weighed rating1391.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1621.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1621.3
Projected new floor1121.3
Projected new K-facor28
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 rating1646.0
Curent Weighted rating1363.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1646.0
Current floor (min rating allowed)1146.0
Current highest rating achieved1646.0
Current K-factor28
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)±87.8
Current Raw change used (final)0.0
Projected new Raw rating1646.0
Projected new Weighed rating1391.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1646.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1646.0
Projected new floor1146.0
Projected new K-facor28
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 rating1559.9
Curent Weighted rating1318.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1559.9
Current floor (min rating allowed)1059.9
Current highest rating achieved1559.9
Current K-factor32
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)±99.3
Current Raw change used (final)0.0
Projected new Raw rating1559.9
Projected new Weighed rating1342.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1559.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1559.9
Projected new floor1059.9
Projected new K-facor32
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 rating1646.0
Curent Weighted rating1377.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1646.0
Current floor (min rating allowed)1059.9
Current highest rating achieved1646.0
Current K-factor28
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)±87.8
Current Raw change used (final)0.0
Projected new Raw rating1646.0
Projected new Weighed rating1404.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1646.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1646.0
Projected new floor1059.9
Projected new K-facor28
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Chessheroes Choo Choo Challenge 2022 2022/01/08 2022/01/08 Tshwane (GTP) Blitz 8 0.25 7 7 3.5 1204.4 1200.0 Analysis
1 Chess Heroes Open Rapid Challenge 2020 2020/02/01 2020/02/01 Johannesburg Metro (GJM) Rapid 15 0.39 6 6 2.0 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 13 5 1 7 5.5 42.3 -65.4 1421.9 1356.5
White 7 3 1 3 3.5 50.0 0.0 1422.4 1422.4
Black 6 2 0 4 2.0 33.3 -141.7 1421.3 1279.6
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 6 2 0 4 2.0 33.3 -141.7 1454.2 1312.5
White 3 1 0 2 1.0 33.3 -141.7 1357.9 1216.2
Black 3 1 0 2 1.0 33.3 -141.7 1550.5 1408.9
Blitz All 7 3 1 3 3.5 50.0 0.0 1394.2 1394.2
White 4 2 1 1 2.5 62.5 106.3 1470.7 1577.0
Black 3 1 0 2 1.0 33.3 -141.7 1292.1 1150.4
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060104440 Naidu, L (Layton) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 2120108312 Mulholand, E (Emmy) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 181021687 Mathivha, PA (Phathutshedzo) 1 1.0 1 0 0 100.0 1204.4 425.0 1629.4 View list
4 1890133886 De Montbron, M (Maxime) 1 1.0 1 0 0 100.0 1204.4 425.0 1629.4 View list
5 1090103920 Reyneke, L (Luke) 1 1.0 1 0 0 100.0 1204.4 425.0 1629.4 View list
6 108076196 Potgieter, E (Edward) 1 0.5 0 1 0 50.0 1204.4 0.0 1204.4 View list
7 105060227 Pillay, M (Mikhael) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1810136342 Bumhira, W (Wilbert) 1 0.0 0 0 1 0.0 1204.4 -425.0 779.4 View list
9 1120104109 Bowers, M (Mpho) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 172020557 Manyama, BR (Ronald) 1 0.0 0 0 1 0.0 1204.4 -425.0 779.4 View list
11 181015759 Klaver, C (Cornelis) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 100014750 Kadenhe, T (Tristen) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 104077992 Fourie, B (Brandon) 1 0.0 0 0 1 0.0 1204.4 -425.0 779.4 View list