Chess South Africa
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Chess South Africa
Perkins, R (Ryan)
Dob:
2006/01/19 (U20)
Gender:
Male
Chess SA id:
106051730
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/03/06 (808 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
1425.0
Curent Weighted rating
1425.0
Curent Weighted performance
659.9
Current official/published rating (highest between Raw, WR and WP)
1425.0
Current floor (min rating allowed)
955.7
Current highest rating achieved
1455.7
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)
±120.3
Current Raw change used (final)
0.0
Projected new Raw rating
1425.0
Projected new Weighed rating
1425.0
Projected new Weighted performance
659.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1425.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1455.7
Projected new floor
955.7
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
1444.7
Curent Weighted rating
1444.7
Curent Weighted performance
655.0
Current official/published rating (highest between Raw, WR and WP)
1444.7
Current floor (min rating allowed)
944.7
Current highest rating achieved
1444.7
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)
±117.0
Current Raw change used (final)
0.0
Projected new Raw rating
1444.7
Projected new Weighed rating
1444.7
Projected new Weighted performance
655.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1444.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1444.7
Projected new floor
944.7
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
861.4
Curent Weighted rating
861.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
861.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
871.0
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)
±268.6
Current Raw change used (final)
0.0
Projected new Raw rating
861.4
Projected new Weighed rating
861.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
861.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
871.0
Projected new floor
500.0
Projected new K-facor
40
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
811.4
Curent Weighted rating
811.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
811.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
824.0
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)
±288.5
Current Raw change used (final)
0.0
Projected new Raw rating
811.4
Projected new Weighed rating
811.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
811.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
824.0
Projected new floor
500.0
Projected new K-facor
40
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
18
District North 2022 (U18)
2022/03/06
2022/03/06
Cape Town (WCT)
Rapid
30
0.60
6
2
0.0
1455.7
871.0
Analysis
17
Metro North Individual Trials 2020 (U15)
2020/02/07
2020/02/08
Cape Town (WCT)
Standard
60
0.83
6
4
4.0
1394.8
1377.9
Analysis
16
2019 South African Junior Team Championships (U14B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
6.0
1320.3
1303.0
Analysis
15
Western Cape Top Schools 2019 (U13 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1227.7
1218.1
Analysis
14
Curro Durbanville Chess Tournament 2019 (Premier)
2019/08/23
2019/08/24
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1164.3
1156.1
Analysis
13
2019 WP Youth Open (C)
2019/07/13
2019/07/13
Cape Town (WCT)
Standard
60
0.83
5
0
0.0
1164.3
1156.1
Analysis
12
Stellenberg Youth Chess Championship 2019 (B)
2019/04/30
2019/05/01
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1145.1
1134.8
Analysis
11
Steinitz Chess Festival 2019 (C)
2019/04/05
2019/04/07
Cape Town (WCT)
Standard
70
0.87
6
6
3.5
1077.8
1073.5
Analysis
10
District North Schools Chess Trials 2019 (U13)
2019/01/25
2019/01/26
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1003.8
995.0
Analysis
9
South African Junior Team Championships 2018 (U14B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1031.0
1021.8
Analysis
8
ACL Chess Festival 2018 (Open)
2018/10/05
2018/10/07
Cape Town (WCT)
Standard
120
1.00
5
3
1.0
1009.8
988.4
Analysis
7
Western Cape Top Schools 2018 (U13 Mix)
2018/08/25
2018/08/26
Overberg (WOS)
Standard
60
0.83
5
5
2.0
999.8
980.4
Analysis
6
Stellenberg Youth Chess Champs 2018 (C)
2018/06/22
2018/06/23
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1042.3
995.0
Analysis
5
Crossroads Open Chess Championship 2018 (C)
2018/04/27
2018/04/29
Cape Town (WCT)
Standard
120
1.00
6
6
4.0
945.5
938.2
Analysis
4
2018 Steinitz Chess Festival (B)
2018/03/21
2018/03/25
Cape Town (WCT)
Standard
90
0.94
7
7
2.0
911.8
887.4
Analysis
3
2018 WP Schools Closed Trials (U13 Boys)
2018/03/09
2018/03/10
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
911.8
887.4
Analysis
2
Welgemoed Chess Challenge 2018 (U14)
2018/02/24
2018/02/24
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
811.4
811.4
Analysis
1
District North Schools Chess Open Trials 2018 (U13)
2018/02/09
2018/02/10
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
811.4
811.4
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
92
51
4
37
53.0
57.6
64.7
1115.9
1180.6
White
47
23
4
20
25.0
53.2
27.1
1118.6
1145.7
Black
45
28
0
17
28.0
62.2
103.9
1113.2
1217.1
Standard
All
85
48
4
33
50.0
58.8
75.0
1121.0
1196.0
White
43
21
4
18
23.0
53.5
29.7
1119.3
1149.0
Black
42
27
0
15
27.0
64.3
121.4
1122.7
1244.1
Rapid
All
7
3
0
4
3.0
42.9
-60.7
1054.6
993.8
White
4
2
0
2
2.0
50.0
0.0
1110.5
1110.5
Black
3
1
0
2
1.0
33.3
-141.7
979.9
838.2
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
210092081
Van Heerden, H (Hannah Rose)
2
1.0
1
0
1
50.0
1121.0
0.0
1121.0
View list
2
106064603
Viljoen, R (Reinhard)
2
0.0
0
0
2
0.0
861.6
-425.0
436.6
View list
3
106072018
Bantam, G (Gio)
1
1.0
1
0
0
100.0
1227.7
425.0
1652.7
View list
4
106065030
Burger, M (Marius)
1
1.0
1
0
0
100.0
1394.8
425.0
1819.8
View list
5
106059113
Chang, S (Sebastian)
1
1.0
1
0
0
100.0
1320.3
425.0
1745.3
View list
6
1060096530
Collison, D (David)
1
1.0
1
0
0
100.0
911.8
425.0
1336.8
View list
7
1060096912
De Lange, OB (Oden )
1
1.0
1
0
0
100.0
811.4
425.0
1236.4
View list
8
1020099538
De Koker, C (Chad)
1
1.0
1
0
0
100.0
911.8
425.0
1336.8
View list
9
1050131023
De Beer, Z (Zandre)
1
1.0
1
0
0
100.0
1394.8
425.0
1819.8
View list
10
105094459
Gatya, X (Xolani)
1
1.0
1
0
0
100.0
945.5
425.0
1370.5
View list
11
1050096911
Forbes, C (Conwill)
1
1.0
1
0
0
100.0
811.4
425.0
1236.4
View list
12
2050131025
Dzvene, I (Isabell)
1
1.0
1
0
0
100.0
1394.8
425.0
1819.8
View list
13
1050100472
Gxavu, Y (Yanga)
1
1.0
1
0
0
100.0
945.5
425.0
1370.5
View list
14
105058919
Hufton, O (Oliver)
1
1.0
1
0
0
100.0
811.4
425.0
1236.4
View list
15
108092067
Imrie, D (Daniel)
1
1.0
1
0
0
100.0
1042.3
425.0
1467.3
View list
16
1090112746
Jackson, M (Minenthle)
1
1.0
1
0
0
100.0
1145.1
425.0
1570.1
View list
17
107058910
Jacobs, J (Jordan)
1
1.0
1
0
0
100.0
1394.8
425.0
1819.8
View list
18
106054537
Khan, S (Sher Ali)
1
1.0
1
0
0
100.0
911.8
425.0
1336.8
View list
19
106086419
Le Roux, N (Nicolaas)
1
1.0
1
0
0
100.0
1320.3
425.0
1745.3
View list
20
1070107975
Lewis, I (Imaad)
1
1.0
1
0
0
100.0
1003.8
425.0
1428.8
View list