Player Page

Botha, C (Calum)
Dob: 2005/02/01 (U20)
Gender: Male
Chess SA id: 1050098209
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2018/12/20 (1977 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 rating1166.6
Curent Weighted rating1166.6
Curent Weighted performance319.3
Current official/published rating (highest between Raw, WR and WP)1166.6
Current floor (min rating allowed)666.6
Current highest rating achieved1166.6
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)±173.9
Current Raw change used (final)0.0
Projected new Raw rating1166.6
Projected new Weighed rating1166.6
Projected new Weighted performance319.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1166.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1166.6
Projected new floor666.6
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 rating1168.0
Curent Weighted rating1168.0
Curent Weighted performance324.7
Current official/published rating (highest between Raw, WR and WP)1168.0
Current floor (min rating allowed)668.0
Current highest rating achieved1168.0
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)±173.6
Current Raw change used (final)0.0
Projected new Raw rating1168.0
Projected new Weighed rating1168.0
Projected new Weighted performance324.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1168.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1168.0
Projected new floor668.0
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 achieved1200.0
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)±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 rating1200.0
Projected new floor700.0
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 rating1100.4
Curent Weighted rating1100.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1100.4
Current floor (min rating allowed)700.0
Current highest rating achieved1100.4
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)±191.1
Current Raw change used (final)0.0
Projected new Raw rating1100.4
Projected new Weighed rating1100.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1100.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1100.4
Projected new floor700.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 South African Junior Blitz 2018 (U14) 2018/12/19 2018/12/19 4 Knights (4K) Blitz 5 0.18 7 4 0.0 1098.3 1200.0 Analysis
9 South African Junior Team Championships 2018 (U14E) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 6.0 1098.3 1094.0 Analysis
8 Ekurhuleni Open 2018 (C) 2018/08/18 2018/08/18 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1099.0 1095.6 Analysis
7 Witfield Open 2018 (C) 2018/07/21 2018/07/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1095.7 1092.8 Analysis
6 2018 Swartkop Open (C) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1075.8 1055.2 Analysis
5 Ekurhuleni Trials 3 2018 (U14) 2018/06/16 2018/06/16 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1075.8 1055.2 Analysis
4 Primrose Chess Club Open 2018 (D) 2018/06/02 2018/06/02 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1075.8 1055.2 Analysis
3 JNW Club - Bryanston Open 2 2018 (D) 2018/05/05 2018/05/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1092.1 1075.6 Analysis
2 Ekurhuleni Trials 2 2018 (U14) 2018/04/21 2018/04/21 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1112.7 1093.6 Analysis
1 Ekurhuleni Trials 1 2018 (U14) 2018/03/10 2018/03/10 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.0 1200.0 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 50 26 2 22 27.0 54.0 34.0 1016.1 1050.1
White 25 10 1 14 10.5 42.0 -68.0 977.2 909.2
Black 25 16 1 8 16.5 66.0 136.0 1055.0 1191.0
Standard All 46 26 2 18 27.0 58.7 73.9 997.2 1071.1
White 23 10 1 12 10.5 45.7 -37.0 967.6 930.7
Black 23 16 1 6 16.5 71.7 184.8 1026.8 1211.6
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 4 0 0 4 0.0 0.0 -425.0 1233.2 808.2
White 2 0 0 2 0.0 0.0 -425.0 1087.2 662.2
Black 2 0 0 2 0.0 0.0 -425.0 1379.2 954.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 106066143 Waring, G (Gabriel) 2 2.0 2 0 0 100.0 1149.5 425.0 1574.5 View list
2 106092825 Arthur, T (Ty) 2 1.0 1 0 1 50.0 1087.4 0.0 1087.4 View list
3 207080628 Mavuso, Z (Zinhle) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
4 105053198 Masemeni, K (Keabetswe) 1 1.0 1 0 0 100.0 1112.7 425.0 1537.7 View list
5 1060099257 Lubedu, B (Bonginkosi) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
6 206065273 Govender, C (Chaneeka) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
7 109078440 Jansen Van Vuuren, C (Christopher) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
8 1080098201 Janse Van Rensburg, J (Jayden) 1 1.0 1 0 0 100.0 1099.0 425.0 1524.0 View list
9 105085039 Hanekom, D (Dylan) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
10 210088032 De Vasconcelos, T (Tiaana) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
11 205067320 De Beer, J (Janka) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
12 1080100350 Beere, A (Aidan) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
13 2070099610 Nayak, D (Dhwani) 1 1.0 1 0 0 100.0 1092.1 425.0 1517.1 View list
14 1050104159 Ntshangase, N (Nkululeko) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
15 1110097360 Pillay, Z (Zac) 1 1.0 1 0 0 100.0 1075.8 425.0 1500.8 View list
16 108093911 Rothmann, WR (Willem Ruwan) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
17 1070096804 Scheepers, D (Divan) 1 1.0 1 0 0 100.0 1099.0 425.0 1524.0 View list
18 2060097779 September, M (Mckenzie) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
19 105092641 Serahanye, K (Khotso) 1 1.0 1 0 0 100.0 1112.7 425.0 1537.7 View list
20 106081018 Sikhonde, C (Chichima) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list