Player Page

Mametja, B (Bonolo)
Dob: 2005/09/22 (U20)
Gender: Male
Chess SA id: 105069512
FIDE id:
Region: Nkangala (MNW)
Citizen: RSA
Title(s):
Last active: 2020/02/08 (1600 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 rating1131.4
Current Weighted rating1131.4
Current Weighted performance451.9
Current official/published rating (highest between Raw, WR and WP)1131.4
Current highest rating achieved1141.7
Current floor (min rating allowed)641.7
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)±182.8
Current Raw change used (final)0.0
Projected new Raw rating1131.4
Projected new Weighed rating1040.9
Projected new Weighted performance451.9
Projected new final Raw rating (if new WP > new Raw)1131.4
Projected new highest rating1141.7
Projected new floor641.7
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1131.4
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 rating1016.5
Current Weighted rating1016.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1016.5
Current highest rating achieved1016.5
Current floor (min rating allowed)516.5
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)±215.4
Current Raw change used (final)0.0
Projected new Raw rating1016.5
Projected new Weighed rating935.2
Projected new Weighted performance393.9
Projected new final Raw rating (if new WP > new Raw)1016.5
Projected new highest rating1016.5
Projected new floor516.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1016.5
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 rating1152.8
Current Weighted rating1152.8
Current Weighted performance362.2
Current official/published rating (highest between Raw, WR and WP)1152.8
Current highest rating achieved1152.8
Current floor (min rating allowed)652.8
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)±177.3
Current Raw change used (final)0.0
Projected new Raw rating1152.8
Projected new Weighed rating1060.6
Projected new Weighted performance362.2
Projected new final Raw rating (if new WP > new Raw)1152.8
Projected new highest rating1152.8
Projected new floor652.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1152.8
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 rating908.1
Current Weighted rating908.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)908.1
Current highest rating achieved908.1
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)±251.3
Current Raw change used (final)0.0
Projected new Raw rating908.1
Projected new Weighed rating835.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating908.1
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)908.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Nkangala 2nd Tournament St Thomas Aquinas School 2020 (A+B) 2020/02/08 2020/02/08 Nkangala (MNW) Standard 60 0.83 5 5 3.0 1105.2 963.7 Analysis
8 Nkangala 4th Tournament Steelcrest High School - Middelburg 2019 (D) 2019/05/04 2019/05/04 Nkangala (MNW) Standard 60 0.83 5 5 1.5 1141.7 1003.7 Analysis
7 Nkangala 3rd Tournament St Thomas Aquinas School - Witbank 2019 (D) 2019/04/13 2019/04/13 Nkangala (MNW) Rapid 30 0.60 5 5 4.5 1067.6 1056.1 Analysis
6 Nkangala 2nd Tournament St Thomas Aquinas School 2019 (C) 2019/02/23 2019/02/23 Nkangala (MNW) Standard 60 0.83 5 5 3.0 996.8 945.7 Analysis
5 Nkangala 1st Tournamant Laerskool President CR Swart 2019 (C) 2019/02/02 2019/02/02 Nkangala (MNW) Rapid 30 0.60 5 5 3.5 996.8 1010.5 Analysis
4 Nkangala 5th Tournament Laerskool Panorama - Witbank 2018 (D) 2018/07/28 2018/07/28 Nkangala (MNW) Standard 60 0.83 5 5 3.0 977.5 908.1 Analysis
3 3rd Nkangala Tournament Curro School 2018 (D) 2018/03/24 2018/03/24 Nkangala (MNW) Rapid 30 0.60 5 5 2.5 984.7 1026.5 Analysis
2 Nkangala 1st Tournament Curro - Witbank 2018 (D) 2018/02/24 2018/02/24 Nkangala (MNW) Rapid 30 0.60 5 5 3.0 970.3 1011.7 Analysis
1 Nkangala 1st Tournament Curro - Witbank 2018 (D+E) 2018/01/27 2018/01/27 Nkangala (MNW) Rapid 30 0.60 5 5 5.0 908.1 908.1 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 45 27 4 14 29.0 64.4 122.8 1043.2 1165.9
White 22 13 2 7 14.0 63.6 115.9 1043.7 1159.6
Black 23 14 2 7 15.0 65.2 129.3 1042.6 1172.0
Standard All 20 10 1 9 10.5 52.5 21.3 1095.8 1117.0
White 9 4 0 5 4.0 44.4 -47.2 1103.9 1056.7
Black 11 6 1 4 6.5 59.1 77.3 1089.1 1166.4
Rapid All 25 17 3 5 18.5 74.0 204.0 1001.1 1205.1
White 13 9 2 2 10.0 76.9 228.8 1002.0 1230.9
Black 12 8 1 3 8.5 70.8 177.1 1000.0 1177.1
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 105069908 Mtetwa, L (Lwazi) 5 1.5 0 3 2 30.0 1032.2 -170.0 862.2 View list
2 104057211 Lutchman, R (Rishal) 3 1.0 1 0 2 33.3 1068.7 -141.7 927.0 View list
3 206069539 Lefefa, D (Dimpho) 3 1.0 1 0 2 33.3 1006.7 -141.7 865.0 View list
4 108069538 Edeani, T (Tobenna) 2 1.0 1 0 1 50.0 942.8 0.0 942.8 View list
5 2060105546 Lefafa, D (Dimpho) 2 1.0 1 0 1 50.0 1022.5 0.0 1022.5 View list
6 108069915 Mametja, O (Oarabile) 1 1.0 1 0 0 100.0 908.1 425.0 1333.1 View list
7 1050112102 Makgoga, B (Boitumelo) 1 1.0 1 0 0 100.0 1067.6 425.0 1492.6 View list
8 206069914 Makgobe, T (Tshegofatso) 1 1.0 1 0 0 100.0 977.5 425.0 1402.5 View list
9 1050110288 Mahlelela, KB (Keletso Bequest) 1 1.0 1 0 0 100.0 996.8 425.0 1421.8 View list
10 1050097738 Mahlangu, B (Bafana) 1 1.0 1 0 0 100.0 970.3 425.0 1395.3 View list
11 203019456 Maharaj, S (Sarjana) 1 1.0 1 0 0 100.0 1105.2 425.0 1530.2 View list
12 103014569 Joubert, GCD (Coenraad) 1 1.0 1 0 0 100.0 1105.2 425.0 1530.2 View list
13 106093428 Jacobs, D (Dillan) 1 1.0 1 0 0 100.0 970.3 425.0 1395.3 View list
14 1060099793 Goosen, R (Robert) 1 1.0 1 0 0 100.0 984.7 425.0 1409.7 View list
15 1050099792 Gautier, N (Nicholas) 1 1.0 1 0 0 100.0 977.5 425.0 1402.5 View list
16 1050099795 Gautier, J (Johnathan) 1 1.0 1 0 0 100.0 977.5 425.0 1402.5 View list
17 1040099788 Fouche, P (Philip) 1 1.0 1 0 0 100.0 1067.6 425.0 1492.6 View list
18 106076420 Mashego, K (Kgaogelo) 1 1.0 1 0 0 100.0 984.7 425.0 1409.7 View list
19 1060096045 Masilela, T (Themba) 1 1.0 1 0 0 100.0 908.1 425.0 1333.1 View list
20 2050110291 Masilele, N (Nompumelelo) 1 1.0 1 0 0 100.0 996.8 425.0 1421.8 View list