Player Page

Sihamba, S (Somila)
Dob: 2008/10/25 (U18)
Gender: Female
Chess SA id: 208069933
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (110 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 rating1289.7
Current Weighted rating1295.0
Current Weighted performance1211.0
Current official/published rating (highest between Raw, WR and WP)1295.0
Current highest rating achieved1403.7
Current floor (min rating allowed)903.7
Current K-factor32
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)±145.9
Current Raw change used (final)0.0
Projected new Raw rating1289.7
Projected new Weighed rating1190.9
Projected new Weighted performance1211.0
Projected new final Raw rating (if new WP > new Raw)1289.7
Projected new highest rating1403.7
Projected new floor903.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.7
Projected effective change (new Official - current Official)-5.3
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 rating1261.7
Current Weighted rating1299.3
Current Weighted performance1216.7
Current official/published rating (highest between Raw, WR and WP)1299.3
Current highest rating achieved1391.5
Current floor (min rating allowed)891.5
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)±151.9
Current Raw change used (final)0.0
Projected new Raw rating1261.7
Projected new Weighed rating1195.0
Projected new Weighted performance1216.7
Projected new final Raw rating (if new WP > new Raw)1261.7
Projected new highest rating1391.5
Projected new floor891.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1261.7
Projected effective change (new Official - current Official)-37.6
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 rating1199.3
Current Weighted rating1169.0
Current Weighted performance1128.2
Current official/published rating (highest between Raw, WR and WP)1199.3
Current highest rating achieved1199.3
Current floor (min rating allowed)699.3
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)±166.0
Current Raw change used (final)0.0
Projected new Raw rating1199.3
Projected new Weighed rating1078.2
Projected new Weighted performance1128.2
Projected new final Raw rating (if new WP > new Raw)1199.3
Projected new highest rating1199.3
Projected new floor699.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.3
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 rating661.2
Current Weighted rating661.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)661.2
Current highest rating achieved661.2
Current floor (min rating allowed)500.0
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)±357.3
Current Raw change used (final)0.0
Projected new Raw rating661.2
Projected new Weighed rating608.3
Projected new Weighted performance31.0
Projected new final Raw rating (if new WP > new Raw)661.2
Projected new highest rating661.2
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)661.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1298.1 1279.7 Analysis
7 CT District North Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 4 2.5 1295.8 1183.3 Analysis
6 Cape Town Chess Federation Closed Chess Championships 2024 (U18) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1322.0 1312.8 Analysis
5 Western Cape Inter Region Cup 2024 (U20 Girls) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 3.5 1215.6 1236.1 Analysis
4 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1215.6 1236.1 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1215.6 1236.1 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (Intermediate) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 1.5 1266.0 1329.3 Analysis
1 North District School Trials 2024 (U18 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 2.5 1266.0 1329.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
47 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1298.1 1279.7 Analysis
46 CT District North Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 4 2.5 1295.8 1183.3 Analysis
45 Cape Town Chess Federation Closed Chess Championships 2024 (U18) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1322.0 1312.8 Analysis
44 Western Cape Inter Region Cup 2024 (U20 Girls) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 3.5 1215.6 1236.1 Analysis
43 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1215.6 1236.1 Analysis
42 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1215.6 1236.1 Analysis
41 Cape of Good Hope Open Chess Tournament 2024 (Intermediate) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 1.5 1266.0 1329.3 Analysis
40 North District School Trials 2024 (U18 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 2.5 1266.0 1329.3 Analysis
39 Western Cape Closed Championship 2023 (U16) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 2.5 1366.4 1098.4 Analysis
38 WP Club League 2023 (D PlayOffs) 2023/09/02 2023/09/09 Cape Town (WCT) Standard 70 0.87 5 2 0.0 1366.4 1363.7 Analysis
37 CW Top Schools 2023 (Intermediate) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 5 4.0 1328.2 1311.5 Analysis
36 WP Club League 2023 (C) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 4 0.0 1366.4 1363.7 Analysis
35 CT Metro District North Top Schools Chess 2023 (U15 Mixed) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 7 7 4.0 1338.0 1030.0 Analysis
34 WP Closed 2023 (U16) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1337.4 1301.1 Analysis
33 Steinitz Open 2023 (C) 2023/05/26 2023/05/28 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1403.7 1391.5 Analysis
32 Western Cape HS Individuals 2023 (U15 Girls) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1340.0 1338.8 Analysis
31 Cape Town Open 2023 (Intermediate) 2023/03/25 2023/03/26 Cape Town (WCT) Standard 70 0.87 6 5 3.0 1258.9 1225.2 Analysis
30 Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1258.9 1225.2 Analysis
29 North District School Trials 2023 (U15 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1280.7 1241.8 Analysis
28 Cape of Good Hope Open 2023 (Intermediate) 2023/01/28 2023/01/29 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1318.3 1274.9 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 43 17 6 20 20.0 46.5 -29.7 1290.7 1261.1
White 20 10 1 9 10.5 52.5 21.3 1301.3 1322.5
Black 23 7 5 11 9.5 41.3 -73.9 1281.5 1207.6
Standard All 39 15 5 19 17.5 44.9 -43.6 1298.5 1254.9
White 18 9 1 8 9.5 52.8 23.6 1310.3 1333.9
Black 21 6 4 11 8.0 38.1 -101.2 1288.5 1187.3
Rapid All 4 2 1 1 2.5 62.5 106.3 1214.5 1320.7
White 2 1 0 1 1.0 50.0 0.0 1220.4 1220.4
Black 2 1 1 0 1.5 75.0 212.5 1208.5 1421.0
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 253 120 16 117 128.0 50.6 5.0 1196.8 1201.8
White 125 67 6 52 70.0 56.0 51.0 1194.8 1245.8
Black 128 53 10 65 58.0 45.3 -39.8 1198.7 1158.9
Standard All 211 101 11 99 106.5 50.5 4.0 1197.4 1201.5
White 103 57 4 42 59.0 57.3 61.9 1186.8 1248.7
Black 108 44 7 57 47.5 44.0 -51.2 1207.6 1156.4
Rapid All 35 17 5 13 19.5 55.7 48.6 1263.2 1311.7
White 19 9 2 8 10.0 52.6 22.4 1283.5 1305.9
Black 16 8 3 5 9.5 59.4 79.7 1239.0 1318.7
Blitz All 7 2 0 5 2.0 28.6 -182.1 845.2 663.1
White 3 1 0 2 1.0 33.3 -141.7 906.6 764.9
Black 4 1 0 3 1.0 25.0 -212.5 799.2 586.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2080117986 Vermeulen, I (Inge) 5 2.5 2 1 2 50.0 1264.9 0.0 1264.9 View list
2 208090617 Zenzile, A (Amahle) 4 0.0 0 0 4 0.0 1278.3 -425.0 853.3 View list
3 1090100225 Booysen, L (Lebogang) 3 2.5 2 1 0 83.3 934.1 283.3 1217.4 View list
4 1070097077 Andries, D (Devitihano) 3 0.0 0 0 3 0.0 813.7 -425.0 388.7 View list
5 207069845 Hanekom, L (Larissa) 2 2.0 2 0 0 100.0 806.3 425.0 1231.3 View list
6 2080096088 Hart-Davis, K (Katherine) 2 2.0 2 0 0 100.0 1277.8 425.0 1702.8 View list
7 2100135805 Leipoldt, K (Kelly-Ann) 2 2.0 2 0 0 100.0 1322.9 425.0 1747.9 View list
8 2090135179 Mabunda, P (Precious) 2 2.0 2 0 0 100.0 1228.7 425.0 1653.7 View list
9 2080135807 Mouers, M (Melvia) 2 2.0 2 0 0 100.0 1129.8 425.0 1554.8 View list
10 1090130569 Ndzotyana, LI (Lwazi) 2 2.0 2 0 0 100.0 1245.8 425.0 1670.8 View list
11 110085152 Van Aarde, J (Jampie) 2 2.0 2 0 0 100.0 1027.3 425.0 1452.3 View list
12 107089446 Visagie, L (Luchiano) 2 2.0 2 0 0 100.0 837.0 425.0 1262.0 View list
13 207084932 Baai, A (Andrea) 2 1.0 1 0 1 50.0 856.1 0.0 856.1 View list
14 2080146879 Cabane, S (Sukume) 2 1.0 1 0 1 50.0 1273.3 0.0 1273.3 View list
15 107076747 Osborne, R (Ryan Eugene) 2 1.0 1 0 1 50.0 1329.6 0.0 1329.6 View list
16 1120137368 Sher, J (Jonah) 2 1.0 1 0 1 50.0 1297.1 0.0 1297.1 View list
17 2060108811 Van Niekerk, L (Lizelle) 2 1.0 1 0 1 50.0 1240.9 0.0 1240.9 View list
18 208088220 Afonso, IS (Isabella) 2 0.5 0 1 1 25.0 1273.3 -212.5 1060.8 View list
19 2080100490 Nazo, A (Andisiwe) 2 0.5 0 1 1 25.0 1281.5 -212.5 1069.0 View list
20 2070150247 Caeser, W (Waynika) 2 0.0 0 0 2 0.0 1268.8 -425.0 843.8 View list