Player Page

Botha, B (Bertus)
Dob: 2010/12/02 (U16)
Gender: Male
Chess SA id: 110095383
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2020/03/07 (1533 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 rating1058.3
Curent Weighted rating1058.3
Curent Weighted performance474.7
Current official/published rating (highest between Raw, WR and WP)1058.3
Current floor (min rating allowed)649.2
Current highest rating achieved1149.2
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)±202.9
Current Raw change used (final)0.0
Projected new Raw rating1058.3
Projected new Weighed rating1058.3
Projected new Weighted performance474.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1058.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1149.2
Projected new floor649.2
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 rating1060.4
Curent Weighted rating1060.4
Curent Weighted performance472.9
Current official/published rating (highest between Raw, WR and WP)1060.4
Current floor (min rating allowed)638.8
Current highest rating achieved1138.8
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)±202.3
Current Raw change used (final)0.0
Projected new Raw rating1060.4
Projected new Weighed rating1060.4
Projected new Weighted performance472.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1060.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1138.8
Projected new floor638.8
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 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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Eden Schools Closed Trials 1 2020 (U11 Boys) 2020/03/07 2020/03/07 Eden District (WEG) Standard 65 0.85 5 5 2.0 1030.4 1032.8 Analysis
8 Knysna School Trials Round 2 2020 (Juniors) 2020/02/22 2020/02/22 Eden District (WEG) Standard 60 0.83 5 5 2.0 1009.8 1008.0 Analysis
7 Eden Trials 3 2019 (U10 Open) 2019/05/11 2019/05/11 Eden District (WEG) Standard 60 0.83 5 5 1.0 1018.8 1016.0 Analysis
6 Eden Trials 2 2019 (U10 Open) 2019/04/13 2019/04/13 Eden District (WEG) Standard 60 0.83 5 5 1.5 997.9 986.0 Analysis
5 Eden Trials 1 2019 (U10 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 1.0 1004.2 982.0 Analysis
4 Knysna School Trials #2 2019 2019/02/16 2019/02/16 Eden District (WEG) Standard 60 0.83 5 5 2.0 1069.9 1044.8 Analysis
3 Knysna School Trials #1 2019 2019/02/02 2019/02/02 Eden District (WEG) Standard 60 0.83 5 5 2.0 1069.9 1044.8 Analysis
2 EDENSC Closed 1 2018 (U10) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 5 1.0 1149.2 1138.8 Analysis
1 Knysna Junior Chess Trials #1 2018 2018/02/10 2018/02/10 Eden District (WEG) Standard 60 0.83 5 4 1.0 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 44 13 1 30 13.5 30.7 -164.2 1122.2 957.9
White 21 5 1 15 5.5 26.2 -202.4 1224.5 1022.2
Black 23 8 0 15 8.0 34.8 -129.3 1028.7 899.3
Standard All 44 13 1 30 13.5 30.7 -164.2 1122.2 957.9
White 21 5 1 15 5.5 26.2 -202.4 1224.5 1022.2
Black 23 8 0 15 8.0 34.8 -129.3 1028.7 899.3
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 2070098430 Van Tonder, M (Monique) 2 1.0 1 0 1 50.0 1135.0 0.0 1135.0 View list
2 1110108602 Zhu, D (David) 2 1.0 1 0 1 50.0 1069.9 0.0 1069.9 View list
3 1110108531 Joseph, W (William) 2 0.0 0 0 2 0.0 1011.5 -425.0 586.5 View list
4 2110107823 Boshoff, C (Carla) 2 0.0 0 0 2 0.0 1008.3 -425.0 583.3 View list
5 1100108128 Prins, R (Reinhart) 2 0.0 0 0 2 0.0 1014.2 -425.0 589.2 View list
6 2100108140 Van Niekerk, N (Nina) 2 0.0 0 0 2 0.0 1011.5 -425.0 586.5 View list
7 2080131503 Bosman, C (Conlyn) 1 1.0 1 0 0 100.0 1009.8 425.0 1434.8 View list
8 1110102781 Adams, J (Jay-D) 1 1.0 1 0 0 100.0 1004.2 425.0 1429.2 View list
9 1100131508 Kuka, A (Avelodwa) 1 1.0 1 0 0 100.0 1030.4 425.0 1455.4 View list
10 1080131513 Perks, K (Kai) 1 1.0 1 0 0 100.0 1009.8 425.0 1434.8 View list
11 1100098405 Odendaal, L (Ludwig) 1 1.0 1 0 0 100.0 997.9 425.0 1422.9 View list
12 108095369 Talmaggies, L (Liron) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1110108601 Van Der Vywer, L (Liam) 1 1.0 1 0 0 100.0 1069.9 425.0 1494.9 View list
14 1110109548 Van Lill, J (Jandre) 1 1.0 1 0 0 100.0 1069.9 425.0 1494.9 View list
15 1090131521 Vermaak, M (Markne) 1 1.0 1 0 0 100.0 1030.4 425.0 1455.4 View list
16 2100108139 Vos, M (Mieke) 1 1.0 1 0 0 100.0 1018.8 425.0 1443.8 View list
17 110086220 Willemse, J (Jesrial) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
18 1110108535 Manho, M (Matthew) 1 0.5 0 1 0 50.0 997.9 0.0 997.9 View list
19 1090131999 Lewendal, E (Eliah) 1 0.0 0 0 1 0.0 1030.4 -425.0 605.4 View list
20 1090100454 Law, A (Aaron) 1 0.0 0 0 1 0.0 1069.9 -425.0 644.9 View list