Player Page

Shumba, O (Onalerona)
Dob: 2011/07/21 (U14)
Gender: Male
Chess SA id: 2110143648
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/02/03 (113 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
Curent Raw rating1090.6
Curent Weighted rating1124.8
Curent Weighted performance892.6
Current official/published rating (highest between Raw, WR and WP)1124.8
Current floor (min rating allowed)689.2
Current highest rating achieved1189.2
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)±193.8
Current Raw change used (final)0.0
Projected new Raw rating1090.6
Projected new Weighed rating1120.7
Projected new Weighted performance892.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1120.7
Projected effective change (new Official - current Official)-4.1
Projected new highest rating1189.2
Projected new floor689.2
Projected new K-facor40
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 rating1097.2
Curent Weighted rating1129.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1129.6
Current floor (min rating allowed)680.0
Current highest rating achieved1180.0
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)±192.0
Current Raw change used (final)0.0
Projected new Raw rating1097.2
Projected new Weighed rating1125.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1125.5
Projected effective change (new Official - current Official)-4.2
Projected new highest rating1180.0
Projected new floor680.0
Projected new K-facor40
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 rating1170.8
Curent Weighted rating1181.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1181.8
Current floor (min rating allowed)694.0
Current highest rating achieved1194.0
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)±172.9
Current Raw change used (final)0.0
Projected new Raw rating1170.8
Projected new Weighed rating1181.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.0
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1194.0
Projected new floor694.0
Projected new K-facor40
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)694.0
Current highest rating achieved1200.0
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 rating1200.0
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 rating1200.0
Projected new floor694.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 1.5 1117.5 1125.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 1.5 1117.5 1125.6 Analysis
7 Gugulethu Chess College Bashment Cup 2023 (U13) 2023/12/06 2023/12/06 Cape Town (WCT) Rapid 20 0.47 5 3 1.0 1126.5 1194.0 Analysis
6 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 5 1.0 1175.3 1180.0 Analysis
5 Central District School Trials 2023 (U13 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 2.5 1189.2 1200.0 Analysis
4 Summer Slam 2022 (C) 2022/12/13 2022/12/13 Cape Town (WCT) Rapid 20 0.47 6 5 2.0 1181.1 1165.6 Analysis
3 2022 Bashment Cup (U11) 2022/12/09 2022/12/09 Cape Town (WCT) Rapid 20 0.47 5 5 3.5 1181.1 1165.6 Analysis
2 Metro Rapid 2022 (U11 Girls) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 2.5 1175.6 1154.8 Analysis
1 Curro Durbanville Chess Open Rapid 2022 (U12) 2022/07/02 2022/07/02 Cape Town (WCT) Rapid 25 0.54 6 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 1 1 3 1.5 30.0 -170.0 1144.5 974.5
White 2 1 0 1 1.0 50.0 0.0 1168.8 1168.8
Black 3 0 1 2 0.5 16.7 -283.3 1128.3 845.0
Standard All 5 1 1 3 1.5 30.0 -170.0 1144.5 974.5
White 2 1 0 1 1.0 50.0 0.0 1168.8 1168.8
Black 3 0 1 2 0.5 16.7 -283.3 1128.3 845.0
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 40 12 8 20 16.0 40.0 -85.0 1175.8 1090.8
White 18 8 4 6 10.0 55.6 47.2 1171.1 1218.3
Black 22 4 4 14 6.0 27.3 -193.2 1179.6 986.4
Standard All 16 3 4 9 5.0 31.3 -159.4 1174.8 1015.4
White 7 3 1 3 3.5 50.0 0.0 1183.0 1183.0
Black 9 0 3 6 1.5 16.7 -283.3 1168.4 885.1
Rapid All 24 9 4 11 11.0 45.8 -35.4 1176.5 1141.0
White 11 5 3 3 6.5 59.1 77.3 1163.6 1240.9
Black 13 4 1 8 4.5 34.6 -130.8 1187.3 1056.6
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2120147463 Maseti, L (Lindokuhle) 2 2.0 2 0 0 100.0 1149.3 425.0 1574.3 View list
2 2120143647 Qoto, A (Asivile) 2 2.0 2 0 0 100.0 1178.3 425.0 1603.3 View list
3 1110134474 Mavuso, L (Lusiphe) 2 1.0 1 0 1 50.0 1190.5 0.0 1190.5 View list
4 2110134086 Mavuso, T (Thimna) 2 1.0 0 2 0 50.0 1187.7 0.0 1187.7 View list
5 2130148283 Mani, N (Ntlahla) 1 1.0 1 0 0 100.0 1181.1 425.0 1606.1 View list
6 2120143638 Gusha, A (Anovuyo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2110150592 Leng, K (Keva) 1 1.0 1 0 0 100.0 1189.2 425.0 1614.2 View list
8 2110150590 Ernstzen, U (Ummaymah) 1 1.0 1 0 0 100.0 1189.2 425.0 1614.2 View list
9 2050148298 Seoposenwe, T (Tshepo) 1 1.0 1 0 0 100.0 1181.1 425.0 1606.1 View list
10 1110150587 Sibotho, K (Khayone) 1 1.0 1 0 0 100.0 1126.5 425.0 1551.5 View list
11 2120147467 Spinnler, E (Elizabeth Hendrina) 1 1.0 1 0 0 100.0 1175.6 425.0 1600.6 View list
12 2100148215 Mayekiso, I (Indiphile) 1 0.5 0 1 0 50.0 1189.2 0.0 1189.2 View list
13 2120147454 Besten, L (Lerato) 1 0.5 0 1 0 50.0 1181.1 0.0 1181.1 View list
14 2110147453 Barnes, A (Asiyah) 1 0.5 0 1 0 50.0 1175.6 0.0 1175.6 View list
15 1110143640 Madlala, B (Bonginkosi) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
16 2120147465 Musvasvi, K (Kelly) 1 0.5 0 1 0 50.0 1117.5 0.0 1117.5 View list
17 2100138845 Solomons, C (Candice) 1 0.5 0 1 0 50.0 1175.3 0.0 1175.3 View list
18 2120137358 Iuzhakova, H (Heidi) 1 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
19 2120137358 Luzhakova, K (Khaidi) 1 0.0 0 0 2 0.0 1117.5 -425.0 692.5 View list
20 1110143642 Mokhele, A (Anganathi) 1 0.0 0 0 1 0.0 1126.5 -425.0 701.5 View list