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:
2024/10/19 (15 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
1221.6
Current Weighted rating
1135.0
Current Weighted performance
1242.7
Current official/published rating (highest between Raw, WR and WP)
1242.7
Current highest rating achieved
1221.6
Current floor (min rating allowed)
721.6
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)
±160.8
Current Raw change used (final)
0.0
Projected new Raw rating
1221.6
Projected new Weighed rating
1044.6
Projected new Weighted performance
1242.7
Projected new final Raw rating (if new WP > new Raw)
1242.7
Projected new highest rating
1242.7
Projected new floor
742.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.7
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
1112.8
Current Weighted rating
1112.6
Current Weighted performance
1016.6
Current official/published rating (highest between Raw, WR and WP)
1112.8
Current highest rating achieved
1166.8
Current floor (min rating allowed)
666.8
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)
±187.8
Current Raw change used (final)
0.0
Projected new Raw rating
1112.8
Projected new Weighed rating
1021.7
Projected new Weighted performance
1016.6
Projected new final Raw rating (if new WP > new Raw)
1112.8
Projected new highest rating
1166.8
Projected new floor
666.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1112.8
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
1283.8
Current Weighted rating
1178.6
Current Weighted performance
1277.6
Current official/published rating (highest between Raw, WR and WP)
1283.8
Current highest rating achieved
1297.5
Current floor (min rating allowed)
797.5
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)
±147.2
Current Raw change used (final)
0.0
Projected new Raw rating
1283.8
Projected new Weighed rating
1086.6
Projected new Weighted performance
1277.6
Projected new final Raw rating (if new WP > new Raw)
1283.8
Projected new highest rating
1297.5
Projected new floor
797.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1283.8
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
8
Laerskool Welgemoed Rapid 2024 (U10)
2024/10/19
2024/10/19
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1214.4
1297.5
Analysis
7
2nd Young Minds Classic 2024 (Junior)
2024/08/10
2024/08/10
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1153.9
1063.2
Analysis
6
CT District North Top Schools 2024 (U9 Mixed)
2024/07/27
2024/07/27
Cape Town (WCT)
Rapid
30
0.60
5
3
3.0
1102.3
1156.8
Analysis
5
Cape Town Junior League Finals 2024 (U13 Open B)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
6
6
3.5
1077.7
1135.2
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
19
Laerskool Welgemoed Rapid 2024 (U10)
2024/10/19
2024/10/19
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1214.4
1297.5
Analysis
18
2nd Young Minds Classic 2024 (Junior)
2024/08/10
2024/08/10
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1153.9
1063.2
Analysis
17
CT District North Top Schools 2024 (U9 Mixed)
2024/07/27
2024/07/27
Cape Town (WCT)
Rapid
30
0.60
5
3
3.0
1102.3
1156.8
Analysis
16
Cape Town Junior League Finals 2024 (U13 Open B)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
6
6
3.5
1077.7
1135.2
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
42
18
2
22
19.0
45.2
-40.5
1223.9
1183.4
White
22
11
1
10
11.5
52.3
19.3
1227.2
1246.6
Black
20
7
1
12
7.5
37.5
-106.3
1220.2
1113.9
Standard
All
16
5
1
10
5.5
34.4
-132.8
1233.5
1100.7
White
9
2
1
6
2.5
27.8
-188.9
1253.4
1064.5
Black
7
3
0
4
3.0
42.9
-60.7
1208.1
1147.3
Rapid
All
26
13
1
12
13.5
51.9
16.3
1217.9
1234.3
White
13
9
0
4
9.0
69.2
163.5
1209.2
1372.6
Black
13
4
1
8
4.5
34.6
-130.8
1226.7
1095.9
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
91
33
4
54
35.0
38.5
-98.1
1222.5
1124.4
White
46
19
1
26
19.5
42.4
-64.7
1231.9
1167.2
Black
45
14
3
28
15.5
34.4
-132.2
1212.9
1080.6
Standard
All
24
6
2
16
7.0
29.2
-177.1
1251.4
1074.3
White
13
2
1
10
2.5
19.2
-261.5
1261.7
1000.1
Black
11
4
1
6
4.5
40.9
-77.3
1239.2
1162.0
Rapid
All
67
27
2
38
28.0
41.8
-69.8
1212.1
1142.3
White
33
17
0
16
17.0
51.5
12.9
1220.2
1233.0
Black
34
10
2
22
11.0
32.4
-150.0
1204.3
1054.3
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
1160193582
Lekau, A (Atlegang Jordan)
2
2.0
2
0
0
100.0
1132.5
425.0
1557.5
View list
3
1120162353
Maphungu, L (Likhona)
2
2.0
2
0
0
100.0
1072.8
425.0
1497.8
View list
4
1120143649
Tyhalibhongo, G (Gift)
2
1.5
1
1
0
75.0
1077.7
212.5
1290.2
View list
5
1150140125
Techow-Grubert, D (Dominik)
2
1.0
1
0
1
50.0
1127.3
0.0
1127.3
View list
6
1140157003
Wiggins, M (Mikhail)
2
1.0
1
0
1
50.0
1110.5
0.0
1110.5
View list
7
1150158970
Chapela, K (Kai)
2
0.5
0
1
1
25.0
1121.3
-212.5
908.8
View list
8
1160193580
Kruger, W (Willem Lodewyk Kruger)
2
0.0
0
0
2
0.0
1111.9
-425.0
686.9
View list
9
1140157948
Burger, J (Jj)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
10
2140150443
Handile, L (Linomtha)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
11
1140150363
George, L (Logan)
1
1.0
1
0
0
100.0
1152.3
425.0
1577.3
View list
12
1150308005
Hendricks, Z (Zayne)
1
1.0
1
0
0
100.0
1102.3
425.0
1527.3
View list
13
1160150368
Esterhuizen, C (Christiaan)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
14
1150313098
Hill, E (Edward)
1
1.0
1
0
0
100.0
1214.4
425.0
1639.4
View list
15
2150150379
Hoffman, L (Lume)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
16
1110143640
Madlala, B (Bonginkosi)
1
1.0
1
0
0
100.0
1077.7
425.0
1502.7
View list
17
1160147530
Magi, A (Aqhame Alizwa)
1
1.0
1
0
0
100.0
1114.4
425.0
1539.4
View list
18
2110147733
Matthee, A (Alexa)
1
1.0
1
0
0
100.0
1077.7
425.0
1502.7
View list
19
1140150444
Mayedwa, Z (Zwelande)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list
20
1140150445
Mudenda, N (Nathan)
1
1.0
1
0
0
100.0
1143.6
425.0
1568.6
View list