Player Page

Botha, J (Joshua)
Dob: 2007/12/13 (U18)
Gender: Male
Chess SA id: 1070099823
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2020/03/15 (1564 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 rating1275.7
Current Weighted rating1275.7
Current Weighted performance592.0
Current official/published rating (highest between Raw, WR and WP)1275.7
Current highest rating achieved1275.7
Current floor (min rating allowed)775.7
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)±148.9
Current Raw change used (final)0.0
Projected new Raw rating1275.7
Projected new Weighed rating1173.6
Projected new Weighted performance592.0
Projected new final Raw rating (if new WP > new Raw)1275.7
Projected new highest rating1275.7
Projected new floor775.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.7
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 rating1208.8
Current Weighted rating1208.8
Current Weighted performance551.9
Current official/published rating (highest between Raw, WR and WP)1208.8
Current highest rating achieved1208.8
Current floor (min rating allowed)708.8
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)±163.7
Current Raw change used (final)0.0
Projected new Raw rating1208.8
Projected new Weighed rating1112.1
Projected new Weighted performance551.9
Projected new final Raw rating (if new WP > new Raw)1208.8
Projected new highest rating1208.8
Projected new floor708.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1208.8
Projected effective change (new Official - current Official)=0.0
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 rating1220.0
Current Weighted rating1220.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1220.0
Current highest rating achieved1220.0
Current floor (min rating allowed)720.0
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)±161.2
Current Raw change used (final)0.0
Projected new Raw rating1220.0
Projected new Weighed rating1122.4
Projected new Weighted performance179.6
Projected new final Raw rating (if new WP > new Raw)1220.0
Projected new highest rating1220.0
Projected new floor720.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1220.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Overberg Closed 2020 (U13 Boys) 2020/03/15 2020/03/15 Overberg (WOS) Standard 60 0.83 5 5 3.5 1075.3 1046.0 Analysis
6 OCF Chess Tournament 3 2020 (U14) 2020/03/07 2020/03/07 Overberg (WOS) Standard 60 0.83 5 5 4.0 1075.3 1046.0 Analysis
5 OCF Chess Tournament 2 2020 (U14) 2020/02/01 2020/02/01 Overberg (WOS) Standard 60 0.83 5 5 3.0 1030.1 978.8 Analysis
4 OCF Open 2020 (U14) 2020/01/25 2020/01/25 Overberg (WOS) Rapid 15 0.39 5 5 3.0 1011.8 1200.0 Analysis
3 Overberg School Chess Close Champs 2019 (U13 Boys) 2019/03/08 2019/03/09 Overberg (WOS) Standard 60 0.83 6 5 1.0 1058.9 1030.0 Analysis
2 Western Cape Schools Individuals 2018 (U11 Boys) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 0.0 1183.7 1180.4 Analysis
1 Overberg Schools Closed 2018 (U11 Boys) 2018/03/23 2018/03/23 Overberg (WOS) Standard 60 0.83 6 6 3.5 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 37 17 2 18 18.0 48.6 -11.5 1113.3 1101.8
White 18 7 1 10 7.5 41.7 -70.8 1131.7 1060.8
Black 19 10 1 8 10.5 55.3 44.7 1095.8 1140.6
Standard All 32 14 2 16 15.0 46.9 -26.6 1112.2 1085.7
White 16 6 1 9 6.5 40.6 -79.7 1122.6 1042.9
Black 16 8 1 7 8.5 53.1 26.6 1101.9 1128.5
Rapid All 5 3 0 2 3.0 60.0 85.0 1119.9 1204.9
White 2 1 0 1 1.0 50.0 0.0 1204.5 1204.5
Black 3 2 0 1 2.0 66.7 141.7 1063.6 1205.2
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 107091560 Fourie, T (Tristan) 2 2.0 2 0 0 100.0 1035.3 425.0 1460.3 View list
2 108091550 Pekeur, A (Aiden) 2 2.0 2 0 0 100.0 1052.7 425.0 1477.7 View list
3 1070100613 Gabriels, J (Jawon) 2 1.0 1 0 1 50.0 1075.3 0.0 1075.3 View list
4 108089032 Steenkamp, L (Luka) 2 1.0 1 0 1 50.0 1137.7 0.0 1137.7 View list
5 108068744 Mfundisi, M (Mlibo) 2 1.0 0 2 0 50.0 1137.7 0.0 1137.7 View list
6 108091557 Bester, HN (Hugo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2080130182 Johnson, G (Gabriella) 1 1.0 1 0 0 100.0 1030.1 425.0 1455.1 View list
8 1070133318 Jayiya, L (Lihle) 1 1.0 1 0 0 100.0 1075.3 425.0 1500.3 View list
9 1070116664 Odigie, M (Mark) 1 1.0 1 0 0 100.0 1075.3 425.0 1500.3 View list
10 1070110750 Nel, A (Aj) 1 1.0 1 0 0 100.0 1011.8 425.0 1436.8 View list
11 1070099827 Nale, G (Griffin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 185025525 Mouton, JP (Jean) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1080133397 Hansen, J (Javen) 1 1.0 1 0 0 100.0 1075.3 425.0 1500.3 View list
14 1080130335 Liya, B (Boyi) 1 1.0 1 0 0 100.0 1030.1 425.0 1455.1 View list
15 208094918 Mdlokovane, S (Sphendulwe) 1 1.0 1 0 0 100.0 1075.3 425.0 1500.3 View list
16 2070130194 Uys, J (Janke) 1 1.0 1 0 0 100.0 1011.8 425.0 1436.8 View list
17 1070096281 Louw, G (Ghrislan) 1 0.0 0 0 1 0.0 1183.7 -425.0 758.7 View list
18 107087100 Knoesen, Z (Zichri) 1 0.0 0 0 1 0.0 1183.7 -425.0 758.7 View list
19 1070111313 Kelly, L (Luke) 1 0.0 0 0 1 0.0 1058.9 -425.0 633.9 View list
20 107089399 Jacobs, A (Aiden) 1 0.0 0 0 1 0.0 1183.7 -425.0 758.7 View list