Player Page

Botha, J (Janko)
Dob: 2001/10/13 (Adult)
Gender: Male
Chess SA id: 101003015
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
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 rating1057.5
Curent Weighted rating1052.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1057.5
Current floor (min rating allowed)597.3
Current highest rating achieved1097.3
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)±203.1
Current Raw change used (final)0.0
Projected new Raw rating1057.5
Projected new Weighed rating1052.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1057.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1097.3
Projected new floor597.3
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 rating1055.3
Curent Weighted rating1051.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1055.3
Current floor (min rating allowed)597.3
Current highest rating achieved1097.3
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)±203.8
Current Raw change used (final)0.0
Projected new Raw rating1055.3
Projected new Weighed rating1051.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1055.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1097.3
Projected new floor597.3
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 rating1102.9
Curent Weighted rating1102.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1102.9
Current floor (min rating allowed)602.9
Current highest rating achieved1102.9
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)±190.4
Current Raw change used (final)0.0
Projected new Raw rating1102.9
Projected new Weighed rating1102.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1102.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1102.9
Projected new floor602.9
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 rating1102.9
Curent Weighted rating1102.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1102.9
Current floor (min rating allowed)602.9
Current highest rating achieved1102.9
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)±190.4
Current Raw change used (final)0.0
Projected new Raw rating1102.9
Projected new Weighed rating1102.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1102.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1102.9
Projected new floor602.9
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 South African Junior Team Championships 2018 (U18B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 1.5 1081.0 1077.7 Analysis
2 Driefontein Proewe 2018 (O20 Seuns) 2018/07/28 2018/07/28 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.5 1097.3 1097.3 Analysis
1 South African Junior Team Championships 2017 (U18A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 1102.9 1102.9 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 18 2 4 12 4.0 22.2 -236.1 1305.3 1069.2
White 9 0 2 7 1.0 11.1 -330.6 1349.7 1019.1
Black 9 2 2 5 3.0 33.3 -141.7 1260.9 1119.2
Standard All 18 2 4 12 4.0 22.2 -236.1 1305.3 1069.2
White 9 0 2 7 1.0 11.1 -330.6 1349.7 1019.1
Black 9 2 2 5 3.0 33.3 -141.7 1260.9 1119.2
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 102017958 Lewis, H (Henrique) 1 1.0 1 0 0 100.0 1081.0 425.0 1506.0 View list
2 101081713 James, S (Sebenzile) 1 1.0 1 0 0 100.0 1097.3 425.0 1522.3 View list
3 102009689 Fouche, J (Janu) 1 0.5 0 1 0 50.0 1097.3 0.0 1097.3 View list
4 102014726 Juta, C (Cornell) 1 0.5 0 1 0 50.0 1081.0 0.0 1081.0 View list
5 101069842 Mantje, K (Katleho) 1 0.5 0 1 0 50.0 1102.9 0.0 1102.9 View list
6 101023373 Mlahleki, V (Vusimuzi) 1 0.5 0 1 0 50.0 1102.9 0.0 1102.9 View list
7 102021248 Maseng, GT (Gomolemo) 1 0.0 0 0 1 0.0 1081.0 -425.0 656.0 View list
8 100051203 Zondo, LC (Linda) 1 0.0 0 0 1 0.0 1102.9 -425.0 677.9 View list
9 101066253 Vester, J (Jordan) 1 0.0 0 0 1 0.0 1102.9 -425.0 677.9 View list
10 100066751 To, H (Himson) 1 0.0 0 0 1 0.0 1102.9 -425.0 677.9 View list
11 102064456 Sithole, A (Anoona) 1 0.0 0 0 1 0.0 1081.0 -425.0 656.0 View list
12 102032719 Roux, D (Duval) 1 0.0 0 0 1 0.0 1097.3 -425.0 672.3 View list
13 101032167 Richter, J-M (Jan-Michael) 1 0.0 0 0 1 0.0 1102.9 -425.0 677.9 View list
14 102029624 Pelser, C (Casper-Hugo) 1 0.0 0 0 1 0.0 1081.0 -425.0 656.0 View list
15 102046430 Lutz, J (Joseph) 1 0.0 0 0 1 0.0 1081.0 -425.0 656.0 View list
16 101093344 Dhlamini, B (Brian) 1 0.0 0 0 1 0.0 1097.3 -425.0 672.3 View list
17 101005265 Coetzee, RJ (Ruhandre) 1 0.0 0 0 1 0.0 1081.0 -425.0 656.0 View list
18 101002411 Blomeyer, C (Chad) 1 0.0 0 0 1 0.0 1102.9 -425.0 677.9 View list