Player Page

Botha, E (Emma)
Dob: 2005/08/31 (U20)
Gender: Female
Chess SA id: 205061420
FIDE id:
Region: ZF Mgcawu (NZF)
Citizen: RSA
Title(s):
Last active: 2023/10/14 (212 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 rating1356.1
Curent Weighted rating1354.6
Curent Weighted performance995.2
Current official/published rating (highest between Raw, WR and WP)1356.1
Current floor (min rating allowed)856.1
Current highest rating achieved1356.1
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)±132.8
Current Raw change used (final)0.0
Projected new Raw rating1356.1
Projected new Weighed rating1354.9
Projected new Weighted performance995.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1356.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1356.1
Projected new floor856.1
Projected new K-facor36
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 rating1353.1
Curent Weighted rating1354.5
Curent Weighted performance985.3
Current official/published rating (highest between Raw, WR and WP)1354.5
Current floor (min rating allowed)858.5
Current highest rating achieved1358.5
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)±133.3
Current Raw change used (final)0.0
Projected new Raw rating1353.1
Projected new Weighed rating1354.5
Projected new Weighted performance985.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1354.5
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1358.5
Projected new floor858.5
Projected new K-facor36
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 rating1115.0
Curent Weighted rating867.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1115.0
Current floor (min rating allowed)615.0
Current highest rating achieved1115.0
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)±187.2
Current Raw change used (final)0.0
Projected new Raw rating1115.0
Projected new Weighed rating892.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1115.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1115.0
Projected new floor615.0
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 rating759.8
Curent Weighted rating759.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)759.8
Current floor (min rating allowed)615.0
Current highest rating achieved759.8
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)±310.5
Current Raw change used (final)0.0
Projected new Raw rating759.8
Projected new Weighed rating759.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)759.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating759.8
Projected new floor615.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 Paarl Boys High Chess Festival 2023 (Elite Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 2.5 1355.8 1358.5 Analysis
26 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1344.7 1349.9 Analysis
25 Mangaung Metro Chess February 2020 (B) 2020/02/21 2020/02/22 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1285.2 1281.5 Analysis
24 Grey College Team Championship 2020 (A) 2020/01/31 2020/02/01 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1285.2 1281.5 Analysis
23 2019 South African Junior Team Championships (U16C) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1285.9 1282.9 Analysis
22 Mangaung Metro Chess October 2019 (B) 2019/10/11 2019/10/12 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1284.1 1281.5 Analysis
21 Mangaung Metro July Trials 2019 (U16 Girls) 2019/07/19 2019/07/20 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1247.4 1244.4 Analysis
20 Inter Regional Chess Championship 2019 (U14-U18 Girls) 2019/05/10 2019/05/11 Mangaung (FMB) Standard 60 0.83 5 5 5.0 1130.2 1122.4 Analysis
19 Grey College Team Championship 2019 (B) 2019/02/22 2019/02/23 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1159.9 1157.2 Analysis
18 Mangaung Metro Chess 1-2 February 2019 (C) 2019/02/01 2019/02/02 Mangaung (FMB) Standard 62 0.84 5 5 2.5 1159.9 1157.2 Analysis
17 Mangaung Metro Chess 18-19 January 2019 (C) 2019/01/18 2019/01/19 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1074.2 1079.4 Analysis
16 South African Junior Team Championships 2018 (U14D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 4.0 1087.8 1084.4 Analysis
15 Mangaung Metro Chess12 & 13 October 2018 (Girls) 2018/10/12 2018/10/13 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1077.0 1070.4 Analysis
14 Courteney Page 2018 (Ladies) 2018/09/07 2018/09/08 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1005.1 976.4 Analysis
13 South African Open 2018 (C) 2018/07/11 2018/07/13 Mangaung (FMB) Standard 60 0.83 6 6 2.0 1077.1 1059.2 Analysis
12 King's Guard Chess Club Blitz III Tournament 2018 2018/06/24 2018/06/24 ZF Mgcawu (NZF) Blitz 5 0.18 5 5 3.0 1032.7 628.2 Analysis
11 King's Guard Chess Club Blitz II Tournament 2018 2018/06/23 2018/06/23 ZF Mgcawu (NZF) Rapid 10 0.29 5 5 3.0 1032.7 628.2 Analysis
10 King`s Guard Chess Club Blitz I Tournament 2018 2018/06/22 2018/06/22 ZF Mgcawu (NZF) Blitz 5 0.18 5 5 2.0 1032.7 628.2 Analysis
9 Mangaung Metro Chess 1-2 June 2018 (C) 2018/06/01 2018/06/02 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1032.7 1018.8 Analysis
8 Inter Regional 2018 (U14 Team) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 1.5 1100.4 1102.4 Analysis
12
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 143 82 10 51 87.0 60.8 92.1 1046.7 1138.8
White 72 46 5 21 48.5 67.4 147.6 1064.8 1212.4
Black 71 36 5 30 38.5 54.2 35.9 1028.3 1064.2
Standard All 128 74 10 44 79.0 61.7 99.6 1043.5 1143.2
White 65 43 5 17 45.5 70.0 170.0 1060.9 1230.9
Black 63 31 5 27 33.5 53.2 27.0 1025.7 1052.7
Rapid All 5 3 0 2 3.0 60.0 85.0 1062.2 1147.2
White 3 1 0 2 1.0 33.3 -141.7 1154.5 1012.8
Black 2 2 0 0 2.0 100.0 425.0 923.7 1348.7
Blitz All 10 5 0 5 5.0 50.0 0.0 1079.1 1079.1
White 4 2 0 2 2.0 50.0 0.0 1062.0 1062.0
Black 6 3 0 3 3.0 50.0 0.0 1090.5 1090.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 208061417 Botha, L (Lika) 5 5.0 5 0 0 100.0 985.2 425.0 1410.2 View list
2 205059508 Minnaar, A (Ammoret) 4 3.0 3 0 1 75.0 1051.5 212.5 1264.0 View list
3 106066851 Bosch, A (Altus) 4 0.5 0 1 3 12.5 951.2 -318.8 632.4 View list
4 107069734 Jordaan, W (Wian) 3 3.0 3 0 0 100.0 1140.5 425.0 1565.5 View list
5 204044817 Venter, I (Imche) 3 2.0 2 0 1 66.7 1099.7 141.7 1241.4 View list
6 204001502 Basson, A (Abigail) 3 1.0 1 0 2 33.3 1032.7 -141.7 891.0 View list
7 207064249 Boje, C (Carissa) 2 2.0 2 0 0 100.0 1160.8 425.0 1585.8 View list
8 194038209 Tseka, G (Gerald) 2 2.0 2 0 0 100.0 1032.7 425.0 1457.7 View list
9 206086189 Lebenya, A (Agnes) 2 1.5 1 1 0 75.0 977.0 212.5 1189.5 View list
10 105053111 De Lange, H (Hendrik) 2 1.0 1 0 1 50.0 956.7 0.0 956.7 View list
11 105053233 Fouchee, M (Marinus) 2 1.0 1 0 1 50.0 878.7 0.0 878.7 View list
12 1060097079 Kuhn, J (Johannes Nicolaas) 2 1.0 1 0 1 50.0 1032.7 0.0 1032.7 View list
13 202026287 Mutambala, B (Baraka) 2 1.0 1 0 1 50.0 1041.0 0.0 1041.0 View list
14 1030105421 Serfontein, C (Christiaan Jacobus) 2 1.0 1 0 1 50.0 1179.2 0.0 1179.2 View list
15 105047772 West, E (Ethan) 2 1.0 1 0 1 50.0 652.0 0.0 652.0 View list
16 1040098747 Maile, E (Edward) 2 0.0 0 0 2 0.0 1284.7 -425.0 859.7 View list
17 200090760 Pretorius, E (Elizabeth) 2 0.0 0 0 2 0.0 1032.7 -425.0 607.7 View list
18 1050098991 Booysen, V (Vuyani) 1 1.0 1 0 0 100.0 706.6 425.0 1131.6 View list
19 105005295 Coetzer, E (Erik) 1 1.0 1 0 0 100.0 1285.9 425.0 1710.9 View list
20 106068808 Coetzee, R (Raynhardt) 1 1.0 1 0 0 100.0 1087.8 425.0 1512.8 View list