Chess South Africa
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Chess South Africa
Koen, I (Ian)
Dob:
2007/07/12 (U18)
Gender:
Male
Chess SA id:
107076733
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2019/05/19 (1865 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
Current Raw rating
1098.1
Current Weighted rating
1098.1
Current Weighted performance
371.3
Current official/published rating (highest between Raw, WR and WP)
1098.1
Current highest rating achieved
1161.5
Current floor (min rating allowed)
661.5
Current K-factor
40
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)
±191.7
Current Raw change used (final)
0.0
Projected new Raw rating
1098.1
Projected new Weighed rating
1010.3
Projected new Weighted performance
371.3
Projected new final Raw rating (if new WP > new Raw)
1098.1
Projected new highest rating
1161.5
Projected new floor
661.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1098.1
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 rating
1089.0
Current Weighted rating
1089.0
Current Weighted performance
371.3
Current official/published rating (highest between Raw, WR and WP)
1089.0
Current highest rating achieved
1178.2
Current floor (min rating allowed)
678.2
Current K-factor
40
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)
±194.2
Current Raw change used (final)
0.0
Projected new Raw rating
1089.0
Projected new Weighed rating
1001.9
Projected new Weighted performance
371.3
Projected new final Raw rating (if new WP > new Raw)
1089.0
Projected new highest rating
1178.2
Projected new floor
678.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1089.0
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 rating
800.7
Current Weighted rating
779.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
800.7
Current highest rating achieved
800.7
Current floor (min rating allowed)
500.0
Current K-factor
40
s
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)
±292.9
Current Raw change used (final)
0.0
Projected new Raw rating
800.7
Projected new Weighed rating
717.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
800.7
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
800.7
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 rating
763.0
Current Weighted rating
763.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
763.0
Current highest rating achieved
763.0
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±309.0
Current Raw change used (final)
0.0
Projected new Raw rating
763.0
Projected new Weighed rating
702.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
763.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
763.0
Projected effective change (new Official - current Official)
=0.0
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
8
Western Cape Schools Individuals 2019 (U13 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
1.0
1161.5
1178.2
Analysis
7
Trial 2 Teddy/Toy Tournament 2019 (U12)
2019/04/06
2019/04/06
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1132.3
1148.2
Analysis
6
Overberg School Chess Close Champs 2019 (U13 Boys)
2019/03/08
2019/03/09
Overberg (WOS)
Standard
60
0.83
6
6
4.0
1084.8
1094.6
Analysis
5
Caledon Casino 2 2018 (U12)
2018/10/20
2018/10/20
Overberg (WOS)
Standard
60
0.83
5
5
2.5
1054.5
1101.8
Analysis
4
Western Cape Schools Individuals 2018 (U11 Boys)
2018/05/19
2018/05/20
Overberg (WOS)
Standard
60
0.83
6
6
2.5
816.1
827.0
Analysis
3
Overberg 3rd Trial 2018 (U12)
2018/05/05
2018/05/05
Overberg (WOS)
Standard
60
0.83
5
5
4.0
816.1
827.0
Analysis
2
Overberg 2nd Trial 2018 (U12)
2018/05/05
2018/05/05
Overberg (WOS)
Standard
60
0.83
5
5
4.0
816.1
827.0
Analysis
1
Overberg Schools Closed 2018 (U11 Boys)
2018/03/23
2018/03/23
Overberg (WOS)
Standard
60
0.83
6
6
4.0
763.0
763.0
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
44
24
2
18
25.0
56.8
58.0
1081.9
1139.9
White
24
14
1
9
14.5
60.4
88.5
1114.5
1203.0
Black
20
10
1
9
10.5
52.5
21.3
1042.8
1064.1
Standard
All
44
24
2
18
25.0
56.8
58.0
1081.9
1139.9
White
24
14
1
9
14.5
60.4
88.5
1114.5
1203.0
Black
20
10
1
9
10.5
52.5
21.3
1042.8
1064.1
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
108084101
De Wet, R (Rossouw)
3
2.5
2
1
0
83.3
877.9
283.3
1161.2
View list
2
2080099834
Du Plessis, Y (Yara)
2
2.0
2
0
0
100.0
974.2
425.0
1399.2
View list
3
208084107
Beveridge, TG (Talitha)
2
1.0
1
0
1
50.0
935.3
0.0
935.3
View list
4
106088984
Jonas, SG (Sue-Win)
2
0.0
0
0
2
0.0
950.5
-425.0
525.5
View list
5
208068746
Snyders, M (Meya)
2
0.0
0
0
2
0.0
935.3
-425.0
510.3
View list
6
207088935
Dees, J (Jody)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
7
1090111522
Da Silva, M (Miguel)
1
1.0
1
0
0
100.0
1132.3
425.0
1557.3
View list
8
1080099825
Burger, B (Bartho)
1
1.0
1
0
0
100.0
763.0
425.0
1188.0
View list
9
208080808
Beukes, L (Lanique)
1
1.0
1
0
0
100.0
1054.5
425.0
1479.5
View list
10
1070110154
Bester, Q (Q-Whine)
1
1.0
1
0
0
100.0
1161.5
425.0
1586.5
View list
11
1080099820
Hofmeyr, J (Jonah)
1
1.0
1
0
0
100.0
763.0
425.0
1188.0
View list
12
106095776
Higham, E (Ethan)
1
1.0
1
0
0
100.0
1084.8
425.0
1509.8
View list
13
1070111318
Hewitt, P (Peter)
1
1.0
1
0
0
100.0
1084.8
425.0
1509.8
View list
14
208068740
Hans, J (Joy)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
15
1070100613
Gabriels, J (Jawon)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
16
107091560
Fourie, T (Tristan)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
17
1000099748
Neo, B (Bell)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
18
1070097771
Pieterse, S (Shaun)
1
1.0
1
0
0
100.0
1084.8
425.0
1509.8
View list
19
108091556
Snyman, CS (Carel)
1
1.0
1
0
0
100.0
816.1
425.0
1241.1
View list
20
1080110747
Snyman, S (Sebastian)
1
1.0
1
0
0
100.0
1132.3
425.0
1557.3
View list