Player Page

Botha, J (Johan)
Dob: 1987/04/08 (Adult)
Gender: Male
Chess SA id: 187003026
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2023/09/06 (256 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 rating1505.4
Curent Weighted rating1495.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1505.4
Current floor (min rating allowed)1019.0
Current highest rating achieved1519.0
Current K-factor32
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)±107.3
Current Raw change used (final)0.0
Projected new Raw rating1505.4
Projected new Weighed rating1496.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1505.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1519.0
Projected new floor1019.0
Projected new K-facor32
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 rating1510.9
Curent Weighted rating1499.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1510.9
Current floor (min rating allowed)1019.0
Current highest rating achieved1519.0
Current K-factor32
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)±106.5
Current Raw change used (final)0.0
Projected new Raw rating1510.9
Projected new Weighed rating1501.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1510.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1519.0
Projected new floor1019.0
Projected new K-facor32
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 rating1515.0
Curent Weighted rating1502.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1515.0
Current floor (min rating allowed)1019.0
Current highest rating achieved1519.0
Current K-factor32
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)±105.9
Current Raw change used (final)0.0
Projected new Raw rating1515.0
Projected new Weighed rating1504.1
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1515.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1519.0
Projected new floor1019.0
Projected new K-facor32
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 rating1515.0
Curent Weighted rating1502.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1515.0
Current floor (min rating allowed)1019.0
Current highest rating achieved1519.0
Current K-factor32
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)±105.9
Current Raw change used (final)0.0
Projected new Raw rating1515.0
Projected new Weighed rating1504.1
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1515.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1519.0
Projected new floor1019.0
Projected new K-facor32
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2023 Centurion Club Championships 2023/07/19 2023/09/06 Tshwane (GTP) Standard 60 0.83 6 6 4.0 1501.7 1509.6 Analysis
2 2023 Milos Ristic Open Tournament (B) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1453.1 1450.4 Analysis
1 2018 Alekhine Open (A) 2018/08/09 2018/08/11 Tshwane (GTP) Standard 90 0.94 6 5 1.0 1495.8 1495.8 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 16 9 1 6 9.5 59.4 79.7 1433.7 1513.4
White 8 5 0 3 5.0 62.5 106.3 1387.2 1493.5
Black 8 4 1 3 4.5 56.3 53.1 1480.2 1533.3
Standard All 16 9 1 6 9.5 59.4 79.7 1433.7 1513.4
White 8 5 0 3 5.0 62.5 106.3 1387.2 1493.5
Black 8 4 1 3 4.5 56.3 53.1 1480.2 1533.3
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 184006037 Darby, AGP (Arthur) 1 1.0 1 0 0 100.0 1501.7 425.0 1926.7 View list
2 169002661 Booysen, W (Wim) 1 1.0 1 0 0 100.0 1495.8 425.0 1920.8 View list
3 1070153444 Ballim, S (Salif) 1 1.0 1 0 0 100.0 1501.7 425.0 1926.7 View list
4 207078376 Goede, K (Kari) 1 1.0 1 0 0 100.0 1453.1 425.0 1878.1 View list
5 108052034 Du Toit, SJM (Stephanus (Matteo)) 1 1.0 1 0 0 100.0 1453.1 425.0 1878.1 View list
6 1870162046 Mailula, D (Donald) 1 1.0 1 0 0 100.0 1501.7 425.0 1926.7 View list
7 1810147331 Monare, L (Lekgila David) 1 1.0 1 0 0 100.0 1453.1 425.0 1878.1 View list
8 1090140004 Van Staden, R (Rikus) 1 1.0 1 0 0 100.0 1501.7 425.0 1926.7 View list
9 1020105338 Phokela, O (Osia) 1 1.0 1 0 0 100.0 1453.1 425.0 1878.1 View list
10 105092232 Venter, R (Ray) 1 0.5 0 1 0 50.0 1453.1 0.0 1453.1 View list
11 102027765 Nieuwoudt, H (Hanno) 1 0.0 0 0 1 0.0 1495.8 -425.0 1070.8 View list
12 184027327 Nene, TH (Themba) 1 0.0 0 0 1 0.0 1495.8 -425.0 1070.8 View list
13 168020116 Malatji, LM (Lackson) 1 0.0 0 0 1 0.0 1495.8 -425.0 1070.8 View list
14 177017896 Letsoalo, PM (Peter) 1 0.0 0 0 1 0.0 1501.7 -425.0 1076.7 View list
15 109086379 Jacobs, CN (Calvin Nicholas) 1 0.0 0 0 1 0.0 1501.7 -425.0 1076.7 View list
16 101006984 De Wet, R (Ryan) 1 0.0 0 0 1 0.0 1495.8 -425.0 1070.8 View list