Player Page

Ngculana, Z (Zachuma)
Dob: 2006/03/14 (U20)
Gender: Male
Chess SA id: 106066546
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/02/24 (123 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 rating1186.9
Current Weighted rating1157.3
Current Weighted performance1125.9
Current official/published rating (highest between Raw, WR and WP)1186.9
Current highest rating achieved1200.3
Current floor (min rating allowed)700.3
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)±168.9
Current Raw change used (final)0.0
Projected new Raw rating1186.9
Projected new Weighed rating1068.7
Projected new Weighted performance1125.9
Projected new final Raw rating (if new WP > new Raw)1186.9
Projected new highest rating1200.3
Projected new floor700.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.9
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 rating1213.4
Current Weighted rating1186.5
Current Weighted performance1125.9
Current official/published rating (highest between Raw, WR and WP)1213.4
Current highest rating achieved1238.6
Current floor (min rating allowed)738.6
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)±162.7
Current Raw change used (final)0.0
Projected new Raw rating1213.4
Projected new Weighed rating1096.2
Projected new Weighted performance1125.9
Projected new final Raw rating (if new WP > new Raw)1213.4
Projected new highest rating1238.6
Projected new floor738.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.4
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 rating840.9
Current Weighted rating646.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)840.9
Current highest rating achieved840.9
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)±276.6
Current Raw change used (final)0.0
Projected new Raw rating840.9
Projected new Weighed rating599.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating840.9
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)840.9
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1200.3 1238.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1200.3 1238.6 Analysis
14 4th BC HS Trials 2023 (U18A-Adult) 2023/08/26 2023/08/26 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1124.9 1154.6 Analysis
13 Senior Vikings 2023 (U18A) 2023/02/11 2023/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 952.3 950.6 Analysis
12 Grey College Team Championship 2023 (B) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 4.0 952.3 950.6 Analysis
11 Buffalo City Trials 3 of 5 2019 (U14A) 2019/04/13 2019/04/13 Buffalo City (EBC) Standard 60 0.83 5 5 1.0 972.6 977.4 Analysis
10 Buffalo City Trials 1 of 5 2019 (U14) 2019/02/09 2019/02/09 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 914.8 904.6 Analysis
9 South African Junior Team Championships 2018 (U14E) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 3.0 915.2 912.2 Analysis
8 5th Vikings League 2018 (A) 2018/11/01 2018/11/01 Buffalo City (EBC) Standard 60 0.83 5 4 0.5 945.1 944.2 Analysis
7 4th Vikings League 208 (B) 2018/10/18 2018/10/18 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 914.6 911.4 Analysis
6 Buffalo Open 29 September 2018 2018/09/29 2018/09/29 Buffalo City (EBC) Standard 60 0.83 5 4 2.0 684.9 712.4 Analysis
5 Swiss Vikings vs South Park 1st 2018 2018/09/01 2018/09/01 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 684.9 712.4 Analysis
4 1st Border Vikings Chess League 2018 (B) 2018/07/28 2018/07/28 Buffalo City (EBC) Standard 60 0.83 5 5 4.0 571.7 577.2 Analysis
3 5th Buffalo Trials 2018 (U14A) 2018/05/26 2018/05/26 Buffalo City (EBC) Standard 60 0.83 5 4 1.0 583.7 598.4 Analysis
2 2nd Buffalo Trials 2018 (U14A) 2018/03/17 2018/03/17 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 577.4 593.2 Analysis
1 Buffalo City 1st Chess Trials 2018 (U14B) 2018/02/17 2018/02/17 Buffalo City (EBC) Standard 60 0.83 5 5 3.5 500.0 500.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1215.3 1130.3
White 3 1 0 2 1.0 33.3 -141.7 1231.8 1090.1
Black 2 1 0 1 1.0 50.0 0.0 1190.6 1190.6
Standard All 5 2 0 3 2.0 40.0 -85.0 1215.3 1130.3
White 3 1 0 2 1.0 33.3 -141.7 1231.8 1090.1
Black 2 1 0 1 1.0 50.0 0.0 1190.6 1190.6
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 74 36 2 36 37.0 50.0 0.0 1040.8 1040.8
White 38 16 2 20 17.0 44.7 -44.7 1028.7 984.0
Black 36 20 0 16 20.0 55.6 47.2 1053.5 1100.7
Standard All 74 36 2 36 37.0 50.0 0.0 1040.8 1040.8
White 38 16 2 20 17.0 44.7 -44.7 1028.7 984.0
Black 36 20 0 16 20.0 55.6 47.2 1053.5 1100.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 106066545 Matayo, L (Liyema) 3 1.5 1 1 1 50.0 710.0 0.0 710.0 View list
2 207065272 Dove, M (Megan) 2 1.0 1 0 1 50.0 772.2 0.0 772.2 View list
3 1060099424 Gwababa, L (Langa) 2 1.0 1 0 1 50.0 746.1 0.0 746.1 View list
4 1060097302 Nel, C (Christiaan) 2 1.0 1 0 1 50.0 736.3 0.0 736.3 View list
5 2070104204 Pafa, A (Aqhama) 2 1.0 1 0 1 50.0 628.3 0.0 628.3 View list
6 207054337 Jikijela, A (Anisha) 2 0.0 0 0 2 0.0 772.2 -425.0 347.2 View list
7 106065267 Becker, M (Matthew) 2 0.0 0 0 2 0.0 746.1 -425.0 321.1 View list
8 110088674 Chang, S (Samuel) 2 0.0 0 0 2 0.0 815.0 -425.0 390.0 View list
9 1050136235 Brown, X (Xavier) 1 1.0 1 0 0 100.0 952.3 425.0 1377.3 View list
10 106066543 Bovu, I (Inga) 1 1.0 1 0 0 100.0 571.7 425.0 996.7 View list
11 1070097287 Basin, L (Louis) 1 1.0 1 0 0 100.0 972.6 425.0 1397.6 View list
12 105083300 Gopakumar, A (Akhil) 1 1.0 1 0 0 100.0 577.4 425.0 1002.4 View list
13 105067212 Goliath, J (Juwain) 1 1.0 1 0 0 100.0 577.4 425.0 1002.4 View list
14 1070153856 Gabela, L (Lomzi) 1 1.0 1 0 0 100.0 1124.9 425.0 1549.9 View list
15 2060136995 Jacobs, C (Christine) 1 1.0 1 0 0 100.0 952.3 425.0 1377.3 View list
16 109078830 Johnson, A (Ashar) 1 1.0 1 0 0 100.0 952.3 425.0 1377.3 View list
17 108092864 Lombaard, A (Adriaan) 1 1.0 1 0 0 100.0 914.6 425.0 1339.6 View list
18 1120131139 Mabhera, J (Jedidiah) 1 1.0 1 0 0 100.0 1124.9 425.0 1549.9 View list
19 1000106164 Mabinya, S (Sikhona) 1 1.0 1 0 0 100.0 684.9 425.0 1109.9 View list
20 208088689 Manadan, A (Anina) 1 1.0 1 0 0 100.0 914.6 425.0 1339.6 View list