Player Page

Ngumbela, S (Sibulele)
Dob: 2008/02/03 (U18)
Gender: Male
Chess SA id: 1080191856
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/03/21 (58 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 rating1067.1
Curent Weighted rating1173.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1173.2
Current floor (min rating allowed)618.3
Current highest rating achieved1118.3
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)±200.4
Current Raw change used (final)0.0
Projected new Raw rating1067.1
Projected new Weighed rating1163.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1163.7
Projected effective change (new Official - current Official)-9.5
Projected new highest rating1118.3
Projected new floor618.3
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 rating1044.8
Curent Weighted rating1168.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1168.4
Current floor (min rating allowed)601.2
Current highest rating achieved1101.2
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)±206.8
Current Raw change used (final)0.0
Projected new Raw rating1044.8
Projected new Weighed rating1157.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.4
Projected effective change (new Official - current Official)-11.1
Projected new highest rating1101.2
Projected new floor601.2
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 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)700.0
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor700.0
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)700.0
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Township Chess Academy Open 2024 (A) 2024/03/21 2024/03/21 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 0.5 1118.3 1101.2 Analysis
2 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 1 0.0 1118.3 1101.2 Analysis
1 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 0.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Township Chess Academy Open 2024 (A) 2024/03/21 2024/03/21 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 0.5 1118.3 1101.2 Analysis
2 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 1 0.0 1118.3 1101.2 Analysis
1 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 0 1 10 0.5 4.5 -386.4 1236.7 850.4
White 6 0 1 5 0.5 8.3 -354.2 1265.2 911.0
Black 5 0 0 5 0.0 0.0 -425.0 1202.6 777.6
Standard All 11 0 1 10 0.5 4.5 -386.4 1236.7 850.4
White 6 0 1 5 0.5 8.3 -354.2 1265.2 911.0
Black 5 0 0 5 0.0 0.0 -425.0 1202.6 777.6
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 11 0 1 10 0.5 4.5 -386.4 1236.7 850.4
White 6 0 1 5 0.5 8.3 -354.2 1265.2 911.0
Black 5 0 0 5 0.0 0.0 -425.0 1202.6 777.6
Standard All 11 0 1 10 0.5 4.5 -386.4 1236.7 850.4
White 6 0 1 5 0.5 8.3 -354.2 1265.2 911.0
Black 5 0 0 5 0.0 0.0 -425.0 1202.6 777.6
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1070191851 Jingxa, S (Simvuyele) 1 0.5 0 1 0 50.0 1118.3 0.0 1118.3 View list
2 1080151219 Collett, S (Samuel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 1070152436 Brown, K (Kershae) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 2070153635 Vital, K (Keirah) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 1080300969 Sitonga, O (Owam) 1 0.0 0 0 1 0.0 1118.3 -425.0 693.3 View list
6 1080191858 Phillip, E (Endinako) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1070191857 Peter, A (Abenathi) 1 0.0 0 0 1 0.0 1118.3 -425.0 693.3 View list
8 1120109254 Mazikana, E (Ethan) 1 0.0 0 0 1 0.0 1118.3 -425.0 693.3 View list
9 101066748 Mapungwana, S (Sikelela) 1 0.0 0 0 1 0.0 1118.3 -425.0 693.3 View list
10 1080151620 Lippstreu, C (Caleb) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1070191852 Khumalo, S (Sifiso) 1 0.0 0 0 1 0.0 1118.3 -425.0 693.3 View list