Player Page

Maduna, N (Ncese Mcebo)
Dob: 2007/08/04 (U18)
Gender: Male
Chess SA id: 1070151800
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/31 (85 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 rating1431.5
Current Weighted rating1409.4
Current Weighted performance1263.0
Current official/published rating (highest between Raw, WR and WP)1431.5
Current highest rating achieved1505.2
Current floor (min rating allowed)1005.2
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)±119.2
Current Raw change used (final)0.0
Projected new Raw rating1431.5
Projected new Weighed rating1300.2
Projected new Weighted performance1263.0
Projected new final Raw rating (if new WP > new Raw)1431.5
Projected new highest rating1505.2
Projected new floor1005.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1431.5
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 rating1437.6
Current Weighted rating1416.5
Current Weighted performance1319.2
Current official/published rating (highest between Raw, WR and WP)1437.6
Current highest rating achieved1505.4
Current floor (min rating allowed)1005.4
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)±118.2
Current Raw change used (final)0.0
Projected new Raw rating1437.6
Projected new Weighed rating1306.7
Projected new Weighted performance1319.2
Projected new final Raw rating (if new WP > new Raw)1437.6
Projected new highest rating1505.4
Projected new floor1005.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1437.6
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 rating1209.4
Current Weighted rating1202.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1209.4
Current highest rating achieved1209.4
Current floor (min rating allowed)709.4
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)±163.6
Current Raw change used (final)0.0
Projected new Raw rating1209.4
Projected new Weighed rating1106.7
Projected new Weighted performance462.8
Projected new final Raw rating (if new WP > new Raw)1209.4
Projected new highest rating1209.4
Projected new floor709.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1209.4
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 rating1184.5
Current Weighted rating1195.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.3
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)±169.5
Current Raw change used (final)0.0
Projected new Raw rating1184.5
Projected new Weighed rating1099.6
Projected new Weighted performance446.4
Projected new final Raw rating (if new WP > new Raw)1184.5
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)1184.5
Projected effective change (new Official - current Official)-10.8
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 JCC Khelo India 1st Annual Chess Tournament 2024 (A) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1453.0 1461.9 Analysis
6 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) 2024/07/27 2024/07/27 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 4.0 1505.2 1200.0 Analysis
5 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1505.2 1505.4 Analysis
4 Midvaal Winter Classic 13 July 2024 (B) 2024/07/13 2024/07/13 Sedibeng (GSV) Rapid 30 0.60 7 7 4.5 1505.2 1200.0 Analysis
3 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1394.8 1403.7 Analysis
2 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1394.8 1403.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1383.0 1391.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 JCC Khelo India 1st Annual Chess Tournament 2024 (A) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1453.0 1461.9 Analysis
11 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) 2024/07/27 2024/07/27 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 4.0 1505.2 1200.0 Analysis
10 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1505.2 1505.4 Analysis
9 Midvaal Winter Classic 13 July 2024 (B) 2024/07/13 2024/07/13 Sedibeng (GSV) Rapid 30 0.60 7 7 4.5 1505.2 1200.0 Analysis
8 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1394.8 1403.7 Analysis
7 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1394.8 1403.1 Analysis
6 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1383.0 1391.2 Analysis
5 Africawide Chess Championship 2023 (Open) 2023/11/03 2023/11/05 Johannesburg Metro (GJM) Standard 90 0.94 7 7 4.0 1321.7 1331.1 Analysis
4 JNW Open - Trinityhouse Little Falls 2023 (B) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1331.0 1348.4 Analysis
3 JNW Open - Trinityhouse Little Falls 2023 (C) 2023/05/13 2023/05/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1302.9 1322.8 Analysis
2 JMC 1 St Peters 2023 (D) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
1 JNW Open - Crawford 2023 (C) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 40 18 2 20 19.0 47.5 -21.3 1452.3 1431.0
White 18 11 1 6 11.5 63.9 118.1 1457.5 1575.6
Black 22 7 1 14 7.5 34.1 -135.2 1448.0 1312.7
Standard All 24 10 1 13 10.5 43.8 -53.1 1490.0 1436.9
White 11 6 0 5 6.0 54.5 38.6 1478.3 1517.0
Black 13 4 1 8 4.5 34.6 -130.8 1499.9 1369.1
Rapid All 7 4 1 2 4.5 64.3 121.4 1333.7 1455.1
White 3 2 1 0 2.5 83.3 283.3 1364.1 1647.5
Black 4 2 0 2 2.0 50.0 0.0 1310.9 1310.9
Blitz All 9 4 0 5 4.0 44.4 -47.2 1443.8 1396.6
White 4 3 0 1 3.0 75.0 212.5 1470.3 1682.8
Black 5 1 0 4 1.0 20.0 -255.0 1422.5 1167.5
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 67 33 5 29 35.5 53.0 25.4 1412.7 1438.0
White 31 21 2 8 22.0 71.0 178.2 1417.4 1595.7
Black 36 12 3 21 13.5 37.5 -106.3 1408.6 1302.3
Standard All 51 25 4 22 27.0 52.9 25.0 1418.0 1443.0
White 24 16 1 7 16.5 68.8 159.4 1415.3 1574.6
Black 27 9 3 15 10.5 38.9 -94.4 1420.5 1326.0
Rapid All 7 4 1 2 4.5 64.3 121.4 1333.7 1455.1
White 3 2 1 0 2.5 83.3 283.3 1364.1 1647.5
Black 4 2 0 2 2.0 50.0 0.0 1310.9 1310.9
Blitz All 9 4 0 5 4.0 44.4 -47.2 1443.8 1396.6
White 4 3 0 1 3.0 75.0 212.5 1470.3 1682.8
Black 5 1 0 4 1.0 20.0 -255.0 1422.5 1167.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107065190 Jonker, J (Jaen-Pierre) 2 2.0 2 0 0 100.0 1444.1 425.0 1869.1 View list
2 106050282 Voigt, H (Heinrich) 2 1.5 1 1 0 75.0 1418.1 212.5 1630.6 View list
3 109059744 Voigt, D (Daniel) 2 1.0 1 0 1 50.0 1423.9 0.0 1423.9 View list
4 1100151738 Combrink, J (Juan-Louis) 2 0.5 0 1 1 25.0 1423.9 -212.5 1211.4 View list
5 107056316 Agre, AS (Atharv) 1 1.0 1 0 0 100.0 1383.0 425.0 1808.0 View list
6 2100131209 Adamson, A (Amani) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1150130726 Badenhorst, D (Daniel) 1 1.0 1 0 0 100.0 1302.9 425.0 1727.9 View list
8 1090130895 Arokiam, E (Ethan) 1 1.0 1 0 0 100.0 1331.0 425.0 1756.0 View list
9 1070307345 Govindjee, N (Niamh) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
10 1120113412 Eapen, E (Ethan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1000306555 Dliwayo, T (Thabo) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
12 107069948 Jones, W (William) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
13 1060162002 Kajee, C (Caleb) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
14 1140136330 Kay, N (Noah) 1 1.0 1 0 0 100.0 1394.8 425.0 1819.8 View list
15 104086509 Khumalo, N (Nkosinathi) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
16 108093065 Koen, JP (Jan-Paul) 1 1.0 1 0 0 100.0 1505.2 425.0 1930.2 View list
17 1110098631 Kruger, T (Tobias) 1 1.0 1 0 0 100.0 1321.7 425.0 1746.7 View list
18 196087700 Mamburu, M (Mutshidzi) 1 1.0 1 0 0 100.0 1453.0 425.0 1878.0 View list
19 2110141975 Mlilo, S (Sibongisiwe) 1 1.0 1 0 0 100.0 1394.8 425.0 1819.8 View list
20 1120138230 Moeketsi, M (Mafoko) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list