Chess South Africa
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Chess South Africa
Sonday, R (Rayyan)
Dob:
2015/11/13 (U10)
Gender:
Male
Chess SA id:
1150147907
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (29 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
1077.7
Curent Weighted rating
1115.9
Curent Weighted performance
1017.3
Current official/published rating (highest between Raw, WR and WP)
1115.9
Current floor (min rating allowed)
652.3
Current highest rating achieved
1152.3
Current K-factor
40
Games played this month
6
Score (S)
2.0
Expected score (We)
2.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±197.4
Current Raw change used (final)
0.0
Projected new Raw rating
1077.7
Projected new Weighed rating
1111.3
Projected new Weighted performance
1017.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1111.3
Projected effective change (new Official - current Official)
-4.6
Projected new highest rating
1152.3
Projected new floor
652.3
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
1063.2
Curent Weighted rating
1142.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1142.7
Current floor (min rating allowed)
666.8
Current highest rating achieved
1166.8
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)
±201.5
Current Raw change used (final)
0.0
Projected new Raw rating
1063.2
Projected new Weighed rating
1134.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1134.7
Projected effective change (new Official - current Official)
-8.1
Projected new highest rating
1166.8
Projected new floor
666.8
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
1135.2
Curent Weighted rating
1124.0
Curent Weighted performance
1071.5
Current official/published rating (highest between Raw, WR and WP)
1135.2
Current floor (min rating allowed)
635.6
Current highest rating achieved
1135.6
Current K-factor
40
Games played this month
6
Score (S)
2.0
Expected score (We)
2.25
Difference (S-We)
-0.25
Current Raw change (no limits, including tournament time weight)
-10.0
Current min/max change allowed (with limits)
±181.9
Current Raw change used (final)
-10.0
Projected new Raw rating
1125.2
Projected new Weighed rating
1123.3
Projected new Weighted performance
1071.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1125.2
Projected effective change (new Official - current Official)
-10.0
Projected new highest rating
1135.6
Projected new floor
635.6
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
635.6
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
635.6
Projected new K-facor
36
Tournaments
History
Tournament:
Cape Town Junior League - Qualifier 2 2024 (U13)
Start:
2024/04/20
End:
2024/04/20
Host:
WCT
Type:
Rapid
Time:
25
Time weight:
0.54
Rounds:
6
Games:
6
Score:
2.0
Main rating:
1077.7
Rating gain/loss:
0.0
Type rating:
1135.2
Rating gain/loss:
-10.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Cape Town Junior League - Qualifier 2 2024 (U13)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
6
2.0
1077.7
1135.2
Analysis
3
Cape Town Junior League Qualifier 2024 (U13 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
5
2.0
1068.0
1129.6
Analysis
2
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
0.5
1112.8
1126.0
Analysis
1
North District School Trials 2024 (U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
2.0
1111.1
1130.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
15
Cape Town Junior League - Qualifier 2 2024 (U13)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
6
2.0
1077.7
1135.2
Analysis
14
Cape Town Junior League Qualifier 2024 (U13 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
5
2.0
1068.0
1129.6
Analysis
13
Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
0.5
1112.8
1126.0
Analysis
12
North District School Trials 2024 (U9 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
2.0
1111.1
1130.4
Analysis
11
Rylib Summer Slam 2023 (Development)
2023/12/12
2023/12/12
Cape Town (WCT)
Rapid
20
0.47
6
6
3.0
1106.6
1120.4
Analysis
10
Kraaifontein Open 2023 (U10)
2023/12/09
2023/12/09
Cape Town (WCT)
Rapid
30
0.60
6
5
1.5
1106.6
1120.4
Analysis
9
Western Cape Closed Championship 2023 (U10)
2023/09/23
2023/09/23
Cape Town (WCT)
Rapid
25
0.54
6
0
0.0
1129.8
1120.4
Analysis
8
Western Cape Top Schools 2023 (U9 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
4
0.5
1129.8
1166.8
Analysis
7
CT Metro District North Top Schools Chess 2023 (U9 Mixed)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
3
2
1.0
1114.4
1097.6
Analysis
6
Curro Durbanville Chess Open Rapid 2023 (U10)
2023/07/15
2023/07/15
Cape Town (WCT)
Rapid
35
0.66
6
6
3.0
1114.4
1097.6
Analysis
5
WP Closed 2023 (U10)
2023/06/17
2023/06/17
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1124.7
1200.0
Analysis
4
Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys)
2023/03/04
2023/03/04
Cape Town (WCT)
Rapid
30
0.60
5
5
1.0
1152.3
1135.6
Analysis
3
Laerskool Welgemoed Rapid 2023 (U10)
2023/02/11
2023/02/11
Cape Town (WCT)
Rapid
25
0.54
6
6
2.0
1143.6
1095.2
Analysis
2
North District School Trials 2023 (U9 Boys+Girls)
2023/02/04
2023/02/04
Cape Town (WCT)
Rapid
30
0.60
5
5
3.0
1143.6
1095.2
Analysis
1
ACL November 2022 (Beginners)
2022/11/12
2022/11/12
Cape Town (WCT)
Rapid
25
0.54
6
6
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
22
6
1
15
6.5
29.5
-173.9
1234.6
1060.7
White
11
1
1
9
1.5
13.6
-309.1
1259.7
950.7
Black
11
5
0
6
5.0
45.5
-38.6
1209.4
1170.7
Standard
All
11
2
1
8
2.5
22.7
-231.8
1248.2
1016.4
White
6
0
1
5
0.5
8.3
-354.2
1270.9
916.7
Black
5
2
0
3
2.0
40.0
-85.0
1221.1
1136.1
Rapid
All
11
4
0
7
4.0
36.4
-115.9
1220.9
1104.9
White
5
1
0
4
1.0
20.0
-255.0
1246.4
991.4
Black
6
3
0
3
3.0
50.0
0.0
1199.6
1199.6
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
71
21
3
47
22.5
31.7
-155.6
1225.4
1069.8
White
35
9
1
25
9.5
27.1
-194.3
1243.6
1049.3
Black
36
12
2
22
13.0
36.1
-118.1
1207.7
1089.7
Standard
All
19
3
2
14
4.0
21.1
-246.1
1264.6
1018.5
White
10
0
1
9
0.5
5.0
-382.5
1274.6
892.1
Black
9
3
1
5
3.5
38.9
-94.4
1253.4
1159.0
Rapid
All
52
18
1
33
18.5
35.6
-122.6
1211.1
1088.5
White
25
9
0
16
9.0
36.0
-119.0
1231.1
1112.1
Black
27
9
1
17
9.5
35.2
-125.9
1192.5
1066.6
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
1140135124
Nogaga, O (Owethu)
3
0.0
0
0
3
0.0
1130.5
-425.0
705.5
View list
2
1150140125
Techow-Grubert, D (Dominik)
2
1.0
1
0
1
50.0
1127.3
0.0
1127.3
View list
3
1140157003
Wiggins, M (Mikhail)
2
1.0
1
0
1
50.0
1110.5
0.0
1110.5
View list
4
1150158970
Chapela, K (Kai)
2
0.5
0
1
1
25.0
1121.3
-212.5
908.8
View list
5
1160193580
Kruger, W (Willem Lodewyk Kruger)
2
0.0
0
0
2
0.0
1111.9
-425.0
686.9
View list
6
2150150379
Hoffman, L (Lume)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
7
2140150443
Handile, L (Linomtha)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
8
1140150363
George, L (Logan)
1
1.0
1
0
0
100.0
1152.3
425.0
1577.3
View list
9
1140157948
Burger, J (Jj)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
10
1160150368
Esterhuizen, C (Christiaan)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
11
1160193582
Lekau, A (Atlegang Jordan)
1
1.0
1
0
0
100.0
1111.1
425.0
1536.1
View list
12
1160147530
Magi, A (Aqhame Alizwa)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
13
1120162353
Maphungu, L (Likhona)
1
1.0
1
0
0
100.0
1068.0
425.0
1493.0
View list
14
1140150444
Mayedwa, Z (Zwelande)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
15
1140150445
Mudenda, N (Nathan)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
16
1140158928
Pieters, E (Eli)
1
1.0
1
0
0
100.0
1077.7
425.0
1502.7
View list
17
1090150339
Sampson, J (Jamal)
1
1.0
1
0
0
100.0
1106.6
425.0
1531.6
View list
18
1150193587
Smuts, H (Hugo)
1
1.0
1
0
0
100.0
1111.1
425.0
1536.1
View list
19
1120143649
Tyhalibhongo, G (Gift)
1
1.0
1
0
0
100.0
1077.7
425.0
1502.7
View list
20
1120301972
Van Eyssen, A (Aiden)
1
1.0
1
0
0
100.0
1068.0
425.0
1493.0
View list