Player Page

Botha, D (Derick)
Dob: 2009/02/12 (U16)
Gender: Male
Chess SA id: 1090107095
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2022/08/27 (638 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 rating1254.9
Curent Weighted rating1255.0
Curent Weighted performance881.0
Current official/published rating (highest between Raw, WR and WP)1255.0
Current floor (min rating allowed)764.2
Current highest rating achieved1264.2
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)±153.3
Current Raw change used (final)0.0
Projected new Raw rating1254.9
Projected new Weighed rating1254.9
Projected new Weighted performance881.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1254.9
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1264.2
Projected new floor764.2
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 rating1205.5
Curent Weighted rating1205.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1205.6
Current floor (min rating allowed)715.2
Current highest rating achieved1215.2
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)±164.5
Current Raw change used (final)0.0
Projected new Raw rating1205.5
Projected new Weighed rating1205.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.5
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1215.2
Projected new floor715.2
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 rating1275.0
Curent Weighted rating1275.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1275.0
Current floor (min rating allowed)775.0
Current highest rating achieved1275.0
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)±149.0
Current Raw change used (final)0.0
Projected new Raw rating1275.0
Projected new Weighed rating1275.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1275.0
Projected new floor775.0
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)775.0
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 floor775.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Cape Winelands Schools Top Schools 2022 (U13 Mix) 2022/08/27 2022/08/27 Cape Winelands (WCW) Standard 60 0.83 5 3 1.0 1264.2 1215.2 Analysis
8 Western Cape Schools 2022 (U13 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 3.0 1246.8 1182.4 Analysis
7 Cape Winelands Schools 2022 (U13 Boys) 2022/03/12 2022/03/12 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1221.4 1150.8 Analysis
6 Cape Winelands Schools Closed 2021 (U13 Boys) 2021/09/24 2021/09/24 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1207.4 1265.3 Analysis
5 2020 Western Province Open (Development) 2020/03/07 2020/03/07 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1195.1 1129.2 Analysis
4 Cape Winelands Schools Trials 1 2020 (U11 Boys) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1157.0 1219.6 Analysis
3 Nelson Mandela Rapid 2020 (Primary School) 2020/02/01 2020/02/01 Cape Town (WCT) Rapid 27 0.57 6 6 3.0 1157.0 1219.6 Analysis
2 Cape Winelands Schools Closed 2019 (U11 Boys) 2019/03/16 2019/03/17 Cape Winelands (WCW) Standard 60 0.83 7 7 2.5 1207.2 1200.0 Analysis
1 Courtrai Young Masters 2018 (U10) 2018/10/27 2018/10/27 Cape Winelands (WCW) Rapid 15 0.39 7 5 3.0 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 48 25 2 21 26.0 54.2 35.4 1213.8 1249.2
White 23 11 2 10 12.0 52.2 18.5 1190.3 1208.7
Black 25 14 0 11 14.0 56.0 51.0 1235.5 1286.5
Standard All 26 12 2 12 13.0 50.0 0.0 1213.6 1213.6
White 12 6 2 4 7.0 58.3 70.8 1174.4 1245.2
Black 14 6 0 8 6.0 42.9 -60.7 1247.3 1186.6
Rapid All 22 13 0 9 13.0 59.1 77.3 1214.0 1291.3
White 11 5 0 6 5.0 45.5 -38.6 1207.6 1169.0
Black 11 8 0 3 8.0 72.7 193.2 1220.4 1413.6
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1100135522 Oosthuizen, E (Ethan) 3 1.0 1 0 2 33.3 1244.1 -141.7 1102.5 View list
2 1100110831 Uys, K (Kayde) 2 2.0 2 0 0 100.0 1214.4 425.0 1639.4 View list
3 109088275 Zungula, C (Chulumanco) 2 1.0 1 0 1 50.0 1182.1 0.0 1182.1 View list
4 1100103428 Fourie, O (Ockert) 1 1.0 1 0 0 100.0 1264.2 425.0 1689.2 View list
5 1090112282 Kana, D (Deequin) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
6 1100116672 Kiessling, K (Kai) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
7 2080107091 Malan, J (Jade-Leigh) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1090132306 Baron, Z (Zeke) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
9 108072617 Adonis, D (Dylan) 1 1.0 1 0 0 100.0 1195.1 425.0 1620.1 View list
10 109072619 Dangazele, S (Sibabalwe) 1 1.0 1 0 0 100.0 1221.4 425.0 1646.4 View list
11 1100132307 Du Preez, A (Andre) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
12 1090097151 De Vlam, J (Jemeal) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
13 1090130552 Panalura, O (Ongesa) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
14 1100096199 Petersen, S (Shenwin) 1 1.0 1 0 0 100.0 1246.8 425.0 1671.8 View list
15 109078335 Samuels, R (Reagan) 1 1.0 1 0 0 100.0 1221.4 425.0 1646.4 View list
16 1090130553 Scholtz, T (Triston) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
17 2130130554 September, C (Chameeka) 1 1.0 1 0 0 100.0 1157.0 425.0 1582.0 View list
18 1090107090 Sharma, M (Mihir) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 108090546 Theron, W (Wian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 1090097150 Van Zyl, L (Louis) 1 1.0 1 0 0 100.0 1207.2 425.0 1632.2 View list