Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1621.3
Curent Weighted rating
1365.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1621.3
Current floor (min rating allowed)
1121.3
Current highest rating achieved
1621.3
Current K-factor
28
Games played this month
0
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 rating
1621.3
Projected new Weighed rating
1391.1
Projected new Weighted performance
0.0
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 rating
1621.3
Projected new floor
1121.3
Projected new K-facor
28
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 rating
1646.0
Curent Weighted rating
1363.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1646.0
Current floor (min rating allowed)
1146.0
Current highest rating achieved
1646.0
Current K-factor
28
Games played this month
0
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 rating
1646.0
Projected new Weighed rating
1391.8
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 rating
1646.0
Projected new floor
1146.0
Projected new K-facor
28
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 rating
1559.9
Curent Weighted rating
1318.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1559.9
Current floor (min rating allowed)
1059.9
Current highest rating achieved
1559.9
Current K-factor
32
Games played this month
0
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 rating
1559.9
Projected new Weighed rating
1342.4
Projected new Weighted performance
0.0
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 rating
1559.9
Projected new floor
1059.9
Projected new K-facor
32
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 rating
1646.0
Curent Weighted rating
1377.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1646.0
Current floor (min rating allowed)
1059.9
Current highest rating achieved
1646.0
Current K-factor
28
Games played this month
0
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 rating
1646.0
Projected new Weighed rating
1404.3
Projected new Weighted performance
0.0
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 rating
1646.0
Projected new floor
1059.9
Projected new K-facor
28
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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