Player Page

Mbana, N (Ndinani)
Dob: 2008/06/28 (U18)
Gender: Male
Chess SA id: 1080161942
FIDE id:
Region: Amathole (EAL)
Citizen: RSA
Title(s):
Last active: 2024/09/22 (64 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 rating1369.7
Current Weighted rating1270.0
Current Weighted performance1329.3
Current official/published rating (highest between Raw, WR and WP)1369.7
Current highest rating achieved1369.7
Current floor (min rating allowed)869.7
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)±130.2
Current Raw change used (final)0.0
Projected new Raw rating1369.7
Projected new Weighed rating1170.4
Projected new Weighted performance1329.3
Projected new final Raw rating (if new WP > new Raw)1369.7
Projected new highest rating1369.7
Projected new floor869.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1369.7
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 rating1374.6
Current Weighted rating1268.6
Current Weighted performance1329.3
Current official/published rating (highest between Raw, WR and WP)1374.6
Current highest rating achieved1374.6
Current floor (min rating allowed)874.6
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)±129.3
Current Raw change used (final)0.0
Projected new Raw rating1374.6
Projected new Weighed rating1169.0
Projected new Weighted performance1329.3
Projected new final Raw rating (if new WP > new Raw)1374.6
Projected new highest rating1374.6
Projected new floor874.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1374.6
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 rating1227.7
Current Weighted rating1221.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1227.7
Current highest rating achieved1227.7
Current floor (min rating allowed)727.7
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)±159.4
Current Raw change used (final)0.0
Projected new Raw rating1227.7
Projected new Weighed rating1124.4
Projected new Weighted performance377.1
Projected new final Raw rating (if new WP > new Raw)1227.7
Projected new highest rating1227.7
Projected new floor727.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.7
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 rating1212.6
Current Weighted rating1208.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1212.6
Current highest rating achieved1212.6
Current floor (min rating allowed)712.6
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)±162.9
Current Raw change used (final)0.0
Projected new Raw rating1212.6
Projected new Weighed rating1111.8
Projected new Weighted performance416.3
Projected new final Raw rating (if new WP > new Raw)1212.6
Projected new highest rating1212.6
Projected new floor712.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1212.6
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 7th Annual UFH Heritage Open 2024 (B) 2024/09/21 2024/09/22 Amathole (EAL) Standard 62 0.84 7 0 0.0 1369.7 1374.6 Analysis
8 5th BC Trails 2024 (U14A) 2024/08/17 2024/08/17 Buffalo City (EBC) Standard 60 0.83 5 4 2.0 1258.0 1253.3 Analysis
7 Buffalo City District Schools Chess All Ages Championships 2024 (U13 Boys) 2024/08/10 2024/08/10 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1258.0 1253.3 Analysis
6 EL Schools Chess All Ages Festival 2024 (U13 Boys) 2024/08/03 2024/08/03 Buffalo City (EBC) Standard 62 0.84 5 5 4.0 1258.0 1253.3 Analysis
5 3rd BC Trials 2024 (U14A) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1251.4 1245.4 Analysis
4 BC Chess HS Trials 3 2024 (B) 2024/05/04 2024/05/04 Buffalo City (EBC) Standard 60 0.83 7 6 3.0 1251.4 1245.4 Analysis
3 UFH Open 2024 (B) 2024/04/13 2024/04/14 Amathole (EAL) Standard 62 0.84 7 6 2.5 1254.8 1241.8 Analysis
2 2nd Buffalo City Chess Trials 2024 (High School B) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1254.8 1241.8 Analysis
1 Chess Vikings VP-Mall Blitz 2024 (B) 2024/01/27 2024/01/27 Buffalo City (EBC) Blitz 8 0.25 9 9 5.5 1240.7 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 7th Annual UFH Heritage Open 2024 (B) 2024/09/21 2024/09/22 Amathole (EAL) Standard 62 0.84 7 0 0.0 1369.7 1374.6 Analysis
11 5th BC Trails 2024 (U14A) 2024/08/17 2024/08/17 Buffalo City (EBC) Standard 60 0.83 5 4 2.0 1258.0 1253.3 Analysis
10 Buffalo City District Schools Chess All Ages Championships 2024 (U13 Boys) 2024/08/10 2024/08/10 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1258.0 1253.3 Analysis
9 EL Schools Chess All Ages Festival 2024 (U13 Boys) 2024/08/03 2024/08/03 Buffalo City (EBC) Standard 62 0.84 5 5 4.0 1258.0 1253.3 Analysis
8 3rd BC Trials 2024 (U14A) 2024/05/11 2024/05/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1251.4 1245.4 Analysis
7 BC Chess HS Trials 3 2024 (B) 2024/05/04 2024/05/04 Buffalo City (EBC) Standard 60 0.83 7 6 3.0 1251.4 1245.4 Analysis
6 UFH Open 2024 (B) 2024/04/13 2024/04/14 Amathole (EAL) Standard 62 0.84 7 6 2.5 1254.8 1241.8 Analysis
5 2nd Buffalo City Chess Trials 2024 (High School B) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1254.8 1241.8 Analysis
4 Chess Vikings VP-Mall Blitz 2024 (B) 2024/01/27 2024/01/27 Buffalo City (EBC) Blitz 8 0.25 9 9 5.5 1240.7 1200.0 Analysis
3 Chess Vikings Exam Rapid 2023 (B) 2023/11/04 2023/11/04 Buffalo City (EBC) Rapid 20 0.47 7 7 4.0 1231.4 1200.0 Analysis
2 UFH Heritage Open 2023 (B) 2023/09/23 2023/09/23 Amathole (EAL) Standard 62 0.84 5 5 1.0 1200.0 1200.0 Analysis
1 BCM Chess Clubs League 2023 (C) 2023/09/09 2023/09/16 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 45 24 5 16 26.5 58.9 75.6 1267.9 1343.5
White 22 13 1 8 13.5 61.4 96.6 1277.6 1374.2
Black 23 11 4 8 13.0 56.5 55.4 1258.7 1314.1
Standard All 36 19 4 13 21.0 58.3 70.8 1260.1 1330.9
White 17 10 0 7 10.0 58.8 75.0 1281.3 1356.3
Black 19 9 4 6 11.0 57.9 67.1 1241.1 1308.2
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 9 5 1 3 5.5 61.1 94.4 1299.1 1393.6
White 5 3 1 1 3.5 70.0 170.0 1264.7 1434.7
Black 4 2 0 2 2.0 50.0 0.0 1342.1 1342.1
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 62 33 5 24 35.5 57.3 61.7 1269.0 1330.7
White 31 17 1 13 17.5 56.5 54.8 1277.0 1331.8
Black 31 16 4 11 18.0 58.1 68.5 1261.1 1329.6
Standard All 46 24 4 18 26.0 56.5 55.4 1267.1 1322.5
White 22 12 0 10 12.0 54.5 38.6 1286.0 1324.6
Black 24 12 4 8 14.0 58.3 70.8 1249.7 1320.6
Rapid All 7 4 0 3 4.0 57.1 60.7 1243.3 1304.0
White 4 2 0 2 2.0 50.0 0.0 1243.0 1243.0
Black 3 2 0 1 2.0 66.7 141.7 1243.7 1385.4
Blitz All 9 5 1 3 5.5 61.1 94.4 1299.1 1393.6
White 5 3 1 1 3.5 70.0 170.0 1264.7 1434.7
Black 4 2 0 2 2.0 50.0 0.0 1342.1 1342.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120149007 Planga, K (Kungawo) 2 1.0 1 0 1 50.0 1229.0 0.0 1229.0 View list
2 1140150755 Foslara, Z (Ziminathi) 2 0.5 0 1 1 25.0 1253.1 -212.5 1040.6 View list
3 1110161958 Van Der Sandt, J (Joshua) 2 0.5 0 1 1 25.0 1246.1 -212.5 1033.6 View list
4 1120150771 Harman, R (Ryan) 2 0.0 0 0 2 0.0 1244.7 -425.0 819.7 View list
5 1130133657 George, A (Aaron) 2 0.0 0 0 2 0.0 1236.1 -425.0 811.1 View list
6 1080190314 Gxekwa, C (Chulumanco) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090301794 Ford, S (Simthandile) 1 1.0 1 0 0 100.0 1254.8 425.0 1679.8 View list
8 1130137759 Du Preez, D (Dante) 1 1.0 1 0 0 100.0 1231.4 425.0 1656.4 View list
9 1110160315 Dickinson, E (Elijah) 1 1.0 1 0 0 100.0 1231.4 425.0 1656.4 View list
10 1090148969 Furstenburg, O (Olivier) 1 1.0 1 0 0 100.0 1240.7 425.0 1665.7 View list
11 1110309390 Booysen, C (Chezlyn) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list
12 1000119986 Bokuva, K (Khazimla) 1 1.0 1 0 0 100.0 1240.7 425.0 1665.7 View list
13 1100301792 Blignaut, E (Ezra) 1 1.0 1 0 0 100.0 1254.8 425.0 1679.8 View list
14 1120309389 Bhana, K (Karan) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list
15 1110309391 Brown, R (Reece) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list
16 1100301790 Abdani, M (Mubeen) 1 1.0 1 0 0 100.0 1254.8 425.0 1679.8 View list
17 1130136882 Jagers, N (Noah) 1 1.0 1 0 0 100.0 1231.4 425.0 1656.4 View list
18 1110309395 Kosani, I (Inam) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list
19 1120149000 Kwelani, A (Amvuyele) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list
20 1120309557 Madolo, O (Owam) 1 1.0 1 0 0 100.0 1258.0 425.0 1683.0 View list