Player Page

Ackerman, B (Bea-Mari)
Dob: 2008/03/13 (U18)
Gender: Female
Chess SA id: 208072577
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2024/04/19 (217 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 rating1101.2
Current Weighted rating1091.4
Current Weighted performance990.4
Current official/published rating (highest between Raw, WR and WP)1101.2
Current highest rating achieved1120.0
Current floor (min rating allowed)620.0
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)±190.9
Current Raw change used (final)0.0
Projected new Raw rating1101.2
Projected new Weighed rating1005.5
Projected new Weighted performance990.4
Projected new final Raw rating (if new WP > new Raw)1101.2
Projected new highest rating1120.0
Projected new floor620.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1101.2
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 rating1020.1
Current Weighted rating1024.5
Current Weighted performance762.6
Current official/published rating (highest between Raw, WR and WP)1024.5
Current highest rating achieved1070.1
Current floor (min rating allowed)570.1
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)±214.3
Current Raw change used (final)0.0
Projected new Raw rating1020.1
Projected new Weighed rating943.1
Projected new Weighted performance762.6
Projected new final Raw rating (if new WP > new Raw)1020.1
Projected new highest rating1070.1
Projected new floor570.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1020.1
Projected effective change (new Official - current Official)-4.4
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 rating956.7
Current Weighted rating846.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)956.7
Current highest rating achieved956.7
Current floor (min rating allowed)456.7
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)±234.5
Current Raw change used (final)0.0
Projected new Raw rating956.7
Projected new Weighed rating785.4
Projected new Weighted performance703.5
Projected new final Raw rating (if new WP > new Raw)956.7
Projected new highest rating956.7
Projected new floor456.7
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)956.7
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 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
2 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 5 3.0 1070.0 853.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U18B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 3 0.0 1120.0 1070.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 5 3.0 1070.0 853.1 Analysis
11 2024 Gauteng Inter-Region Chess Championship (U18B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 3 0.0 1120.0 1070.1 Analysis
10 2023 Thomas Lechelele North West Open (C) 2023/09/15 2023/09/16 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1060.9 982.5 Analysis
9 NWU Super 16 2023 (A) 2023/04/21 2023/04/21 Gert Sibande (MGS) Rapid 30 0.60 7 6 5.0 985.1 500.0 Analysis
8 Schoonspruit Ope 2022 (C) 2022/05/21 2022/05/21 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 939.3 925.7 Analysis
7 Doringkruin 2019 (U12) 2019/06/08 2019/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 882.3 866.4 Analysis
6 Strathvaal 2019 (U12) 2019/04/13 2019/03/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 842.2 824.1 Analysis
5 South African Junior Team Championships 2018 (U12B Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 2.0 682.9 699.2 Analysis
4 Boys and Girls 2018 (U12 Girls) 2018/08/25 2018/08/25 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 632.4 655.6 Analysis
3 Driefontein Proewe 2018 (O12 Dogters) 2018/07/28 2018/07/28 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.0 573.0 586.8 Analysis
2 President 16 Junie 2018 (U12) 2018/06/16 2018/06/16 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 500.0 500.0 Analysis
1 South African Junior Team Championships 2017 (U10D) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 0.0 500.0 500.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 8 3 0 5 3.0 37.5 -106.3 1194.7 1088.4
White 4 2 0 2 2.0 50.0 0.0 1189.3 1189.3
Black 4 1 0 3 1.0 25.0 -212.5 1200.1 987.6
Standard All 3 0 0 3 0.0 0.0 -425.0 1182.5 757.5
White 2 0 0 2 0.0 0.0 -425.0 1178.5 753.5
Black 1 0 0 1 0.0 0.0 -425.0 1190.4 765.4
Rapid All 5 3 0 2 3.0 60.0 85.0 1202.0 1287.0
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 1 0 2 1.0 33.3 -141.7 1203.3 1061.6
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 61 27 1 33 27.5 45.1 -41.8 1032.8 991.0
White 28 13 0 15 13.0 46.4 -30.4 1066.5 1036.2
Black 33 14 1 18 14.5 43.9 -51.5 1004.2 952.7
Standard All 50 19 1 30 19.5 39.0 -93.5 1001.7 908.2
White 23 8 0 15 8.0 34.8 -129.3 1040.6 911.3
Black 27 11 1 15 11.5 42.6 -63.0 968.5 905.5
Rapid All 11 8 0 3 8.0 72.7 193.2 1174.3 1367.5
White 5 5 0 0 5.0 100.0 425.0 1185.7 1610.7
Black 6 3 0 3 3.0 50.0 0.0 1164.8 1164.8
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 208093327 Jerling, AAM (Alicia) 2 2.0 2 0 0 100.0 602.7 425.0 1027.7 View list
2 1080106039 Matlala, U (Unathi) 2 1.5 1 1 0 75.0 862.3 212.5 1074.8 View list
3 108081703 Hugo, H (Howard) 2 1.0 1 0 1 50.0 691.1 0.0 691.1 View list
4 207050551 Van Der Westhuizen, A (Annemarie) 2 0.0 0 0 2 0.0 602.7 -425.0 177.7 View list
5 108076258 Jooste, J (Jayden) 1 1.0 1 0 0 100.0 882.3 425.0 1307.3 View list
6 1110104165 Janse Van Rensburg, CM (Chailo) 1 1.0 1 0 0 100.0 939.3 425.0 1364.3 View list
7 1080302214 Briel, J (Josephus) 1 1.0 1 0 0 100.0 1070.0 425.0 1495.0 View list
8 1100110914 Fouche, N (Nathan) 1 1.0 1 0 0 100.0 939.3 425.0 1364.3 View list
9 1080302222 Du Preez, D (Dihan) 1 1.0 1 0 0 100.0 1070.0 425.0 1495.0 View list
10 207053339 Devenish, T (Tara-Jane) 1 1.0 1 0 0 100.0 573.0 425.0 998.0 View list
11 106091297 De Lange, GL (Gianni) 1 1.0 1 0 0 100.0 985.1 425.0 1410.1 View list
12 208087581 Combrink, H (Helen) 1 1.0 1 0 0 100.0 682.9 425.0 1107.9 View list
13 1110131186 Greyling, J (Jeandre) 1 1.0 1 0 0 100.0 1060.9 425.0 1485.9 View list
14 207078376 Goede, K (Kari) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
15 2090097251 Jordaan, D (Dailina) 1 1.0 1 0 0 100.0 842.2 425.0 1267.2 View list
16 2070101634 Kegakilwe, N (Nkanyiso) 1 1.0 1 0 0 100.0 632.4 425.0 1057.4 View list
17 206076220 Kruger, C (Carmi) 1 1.0 1 0 0 100.0 985.1 425.0 1410.1 View list
18 2070108560 Lamberts, D (Denika) 1 1.0 1 0 0 100.0 682.9 425.0 1107.9 View list
19 1110162325 Lehasa, O (Onalenna) 1 1.0 1 0 0 100.0 1060.9 425.0 1485.9 View list
20 108069124 Makale, T (Tlotliso) 1 1.0 1 0 0 100.0 939.3 425.0 1364.3 View list