Player Page

Botha, J (Janru)
Dob: 2007/08/23 (U18)
Gender: Male
Chess SA id: 107089376
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2019/05/04 (1880 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 rating1084.6
Current Weighted rating1084.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1084.6
Current highest rating achieved1164.8
Current floor (min rating allowed)664.8
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)±195.4
Current Raw change used (final)0.0
Projected new Raw rating1084.6
Projected new Weighed rating997.8
Projected new Weighted performance187.1
Projected new final Raw rating (if new WP > new Raw)1084.6
Projected new highest rating1164.8
Projected new floor664.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1084.6
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 rating1157.6
Current Weighted rating1157.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1157.6
Current highest rating achieved1157.6
Current floor (min rating allowed)657.6
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)±176.1
Current Raw change used (final)0.0
Projected new Raw rating1157.6
Projected new Weighed rating1065.0
Projected new Weighted performance75.2
Projected new final Raw rating (if new WP > new Raw)1157.6
Projected new highest rating1157.6
Projected new floor657.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.6
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 rating1022.4
Current Weighted rating1022.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1022.4
Current highest rating achieved1141.6
Current floor (min rating allowed)641.6
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)±213.6
Current Raw change used (final)0.0
Projected new Raw rating1022.4
Projected new Weighed rating940.6
Projected new Weighted performance149.4
Projected new final Raw rating (if new WP > new Raw)1022.4
Projected new highest rating1141.6
Projected new floor641.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1022.4
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
3 2019 Super 12 Laerskole (Seniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 0.0 1146.8 1141.6 Analysis
2 2018 Super 12 (Senior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 2.0 1164.8 1200.0 Analysis
1 Fonties Challenge 2018 (U11) 2018/04/21 2018/04/21 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 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 15 4 1 10 4.5 30.0 -170.0 1088.5 918.5
White 9 1 1 7 1.5 16.7 -283.3 1015.1 731.8
Black 6 3 0 3 3.0 50.0 0.0 1198.5 1198.5
Standard All 5 2 1 2 2.5 50.0 0.0 994.8 994.8
White 3 0 1 2 0.5 16.7 -283.3 858.0 574.6
Black 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Rapid All 10 2 0 8 2.0 20.0 -255.0 1135.3 880.3
White 6 1 0 5 1.0 16.7 -283.3 1093.7 810.3
Black 4 1 0 3 1.0 25.0 -212.5 1197.7 985.2
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 207090818 De Lange, A (Angelica) 1 1.0 1 0 0 100.0 1164.8 425.0 1589.8 View list
2 205090900 Niemand, L (Luane) 1 1.0 1 0 0 100.0 1164.8 425.0 1589.8 View list
3 2070100304 Sibiya, M (Mlaphi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1080100305 Van Der Merwe, N (Niel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 108076197 Swart, M (Marco) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
6 1060101116 Volschenk, N (Nathan) 1 0.0 0 0 1 0.0 1164.8 -425.0 739.8 View list
7 107082885 Visser, R (Ruan) 1 0.0 0 0 1 0.0 1164.8 -425.0 739.8 View list
8 108095757 Visagie, M (Mondre) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 109078397 Van Romburgh, DS (Daniel) 1 0.0 0 0 1 0.0 1164.8 -425.0 739.8 View list
10 208086374 Smith, KJ (Kayle) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list
11 107076050 Oosthuizen, H (Henno) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list
12 108090807 Mcphail, R (Ryan) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list
13 107054005 Marais, A (Alex) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list
14 208073206 Fauconier, A (Amber) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 207090835 Du Plessis, L (Luzette) 1 0.0 0 0 1 0.0 1146.8 -425.0 721.8 View list