Chess South Africa
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Chess South Africa
Holt, I (Isiah)
Dob:
2009/04/06 (U16)
Gender:
Male
Chess SA id:
1090131675
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/02/18 (598 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
1170.4
Current Weighted rating
1170.5
Current Weighted performance
878.5
Current official/published rating (highest between Raw, WR and WP)
1170.5
Current highest rating achieved
1219.2
Current floor (min rating allowed)
719.2
Current K-factor
36
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)
±173.0
Current Raw change used (final)
0.0
Projected new Raw rating
1170.4
Projected new Weighed rating
1076.8
Projected new Weighted performance
878.5
Projected new final Raw rating (if new WP > new Raw)
1170.4
Projected new highest rating
1219.2
Projected new floor
719.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.4
Projected effective change (new Official - current Official)
-0.1
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
1140.3
Current Weighted rating
1140.9
Current Weighted performance
844.8
Current official/published rating (highest between Raw, WR and WP)
1140.9
Current highest rating achieved
1227.8
Current floor (min rating allowed)
727.8
Current K-factor
36
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)
±180.5
Current Raw change used (final)
0.0
Projected new Raw rating
1140.3
Projected new Weighed rating
1049.4
Projected new Weighted performance
844.8
Projected new final Raw rating (if new WP > new Raw)
1140.3
Projected new highest rating
1227.8
Projected new floor
727.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1140.3
Projected effective change (new Official - current Official)
-0.6
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
1216.8
Current Weighted rating
1216.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1216.8
Current highest rating achieved
1216.8
Current floor (min rating allowed)
716.8
Current K-factor
36
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)
±161.9
Current Raw change used (final)
0.0
Projected new Raw rating
1216.8
Projected new Weighed rating
1119.2
Projected new Weighted performance
700.2
Projected new final Raw rating (if new WP > new Raw)
1216.8
Projected new highest rating
1216.8
Projected new floor
716.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1216.8
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
West Coast High School Championships 2023 (U15 Boys)
2023/02/18
2023/02/18
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1174.4
1169.8
Analysis
8
Lower West Coast High Schools Prestige 2023 (U15 Boys)
2023/02/11
2023/02/11
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1174.4
1188.4
Analysis
7
Western Cape Top Schools 2022 (U15 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
1.0
1219.2
1227.8
Analysis
6
Pedro Booyse Top Schools 2022 (U15 Open)
2022/07/23
2022/07/23
West Coast (WCU)
Standard
60
0.83
6
4
3.0
1192.0
1190.7
Analysis
5
Onder-Weskus Top Skole 2022 (Hoerskool)
2022/06/04
2022/06/04
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
1189.0
1181.2
Analysis
4
Western Cape Schools 2022 (U13 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
2.0
1209.2
1215.2
Analysis
3
West Coast Schools Prestige 2022 (U13 Boys)
2022/02/19
2022/02/19
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1170.7
1174.4
Analysis
2
Lower West Coast Schools Chess Prestige 2021 (U13 Boys)
2021/05/15
2021/05/15
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1178.4
1200.0
Analysis
1
Onder Weskus Prestige 2020 (U11 Boys)
2020/02/15
2020/02/22
West Coast (WCU)
Standard
60
0.83
6
6
2.5
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
47
21
1
25
21.5
45.7
-36.2
1211.5
1175.3
White
24
7
1
16
7.5
31.3
-159.4
1232.8
1073.4
Black
23
14
0
9
14.0
60.9
92.4
1189.2
1281.6
Standard
All
33
14
1
18
14.5
43.9
-51.5
1210.9
1159.3
White
17
5
1
11
5.5
32.4
-150.0
1229.9
1079.9
Black
16
9
0
7
9.0
56.3
53.1
1190.7
1243.8
Rapid
All
14
7
0
7
7.0
50.0
0.0
1212.9
1212.9
White
7
2
0
5
2.0
28.6
-182.1
1239.9
1057.8
Black
7
5
0
2
5.0
71.4
182.1
1185.9
1368.0
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
1080110428
Beukes, H (Hen-Lee)
2
2.0
2
0
0
100.0
1192.0
425.0
1617.0
View list
2
1080110402
Gentles, A (Abrain)
2
1.0
1
0
1
50.0
1192.0
0.0
1192.0
View list
3
1080096511
Cloete, D (De Vlliers)
2
1.0
1
0
1
50.0
1174.4
0.0
1174.4
View list
4
1070110599
Claase, E (Evan)
1
1.0
1
0
0
100.0
1219.2
425.0
1644.2
View list
5
1060142247
Burger, M (Migael)
1
1.0
1
0
0
100.0
1189.0
425.0
1614.0
View list
6
1080134320
Louw, I (Irwin)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
7
1080134310
Abrahams, J (Jenovian)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
8
1080138371
Johnson, D (Deomanthy)
1
1.0
1
0
0
100.0
1189.0
425.0
1614.0
View list
9
1090138331
Noorman, J (Jaden)
1
1.0
1
0
0
100.0
1174.4
425.0
1599.4
View list
10
1090134395
Roos, M (Michael)
1
1.0
1
0
0
100.0
1209.2
425.0
1634.2
View list
11
1090142540
Sawayer, L (Luke)
1
1.0
1
0
0
100.0
1170.7
425.0
1595.7
View list
12
1090138340
Slingers, M (Morne)
1
1.0
1
0
0
100.0
1170.7
425.0
1595.7
View list
13
1100115888
Smith, A (Arnold)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1090149717
Snyers, L (Luciano)
1
1.0
1
0
0
100.0
1174.4
425.0
1599.4
View list
15
110090536
Stewe, R (Raphael)
1
1.0
1
0
0
100.0
1170.7
425.0
1595.7
View list
16
1090131685
Taylor, G (Gershan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1090138468
Tengren, L (Liam)
1
1.0
1
0
0
100.0
1209.2
425.0
1634.2
View list
18
1080099747
Van Rooyen, S (Sergio)
1
1.0
1
0
0
100.0
1174.4
425.0
1599.4
View list
19
1090099736
Van Wyk, J (Jaden)
1
1.0
1
0
0
100.0
1170.7
425.0
1595.7
View list
20
1080138376
Witbooi, J (Jaden)
1
1.0
1
0
0
100.0
1174.4
425.0
1599.4
View list