Player Page

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
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 rating1221.6
Current Weighted rating1135.0
Current Weighted performance1242.7
Current official/published rating (highest between Raw, WR and WP)1242.7
Current highest rating achieved1221.6
Current floor (min rating allowed)721.6
Current K-factor36
Games played this month0
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 rating1221.6
Projected new Weighed rating1044.6
Projected new Weighted performance1242.7
Projected new final Raw rating (if new WP > new Raw)1242.7
Projected new highest rating1242.7
Projected new floor742.7
Projected new K-facor36
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 rating1112.8
Current Weighted rating1112.6
Current Weighted performance1016.6
Current official/published rating (highest between Raw, WR and WP)1112.8
Current highest rating achieved1166.8
Current floor (min rating allowed)666.8
Current K-factor40
Games played this month0
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 rating1112.8
Projected new Weighed rating1021.7
Projected new Weighted performance1016.6
Projected new final Raw rating (if new WP > new Raw)1112.8
Projected new highest rating1166.8
Projected new floor666.8
Projected new K-facor40
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
s
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 rating1283.8
Current Weighted rating1178.6
Current Weighted performance1277.6
Current official/published rating (highest between Raw, WR and WP)1283.8
Current highest rating achieved1297.5
Current floor (min rating allowed)797.5
Current K-factor36
Games played this month0
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 rating1283.8
Projected new Weighed rating1086.6
Projected new Weighted performance1277.6
Projected new final Raw rating (if new WP > new Raw)1283.8
Projected new highest rating1297.5
Projected new floor797.5
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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