Player Page

Bosman, J (Johanica)
Dob: 2013/11/13 (U12)
Gender: Female
Chess SA id: 2130303064
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (29 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 rating1184.7
Curent Weighted rating1198.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1198.8
Current floor (min rating allowed)684.7
Current highest rating achieved1184.7
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)±169.5
Current Raw change used (final)0.0
Projected new Raw rating1184.7
Projected new Weighed rating1197.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1197.6
Projected effective change (new Official - current Official)-1.2
Projected new highest rating1184.7
Projected new floor684.7
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 rating1179.2
Curent Weighted rating1198.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1198.3
Current floor (min rating allowed)679.2
Current highest rating achieved1179.2
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)±170.8
Current Raw change used (final)0.0
Projected new Raw rating1179.2
Projected new Weighed rating1196.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1196.7
Projected effective change (new Official - current Official)-1.6
Projected new highest rating1179.2
Projected new floor679.2
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 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)700.0
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor700.0
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 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)700.0
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 D2 Schools Individuals (U11 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
1 2024 D2 Schools Individuals (U11 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1212.3 1127.3
White 3 1 0 2 1.0 33.3 -141.7 1265.1 1123.5
Black 2 1 0 1 1.0 50.0 0.0 1133.0 1133.0
Standard All 5 2 0 3 2.0 40.0 -85.0 1212.3 1127.3
White 3 1 0 2 1.0 33.3 -141.7 1265.1 1123.5
Black 2 1 0 1 1.0 50.0 0.0 1133.0 1133.0
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 5 2 0 3 2.0 40.0 -85.0 1212.3 1127.3
White 3 1 0 2 1.0 33.3 -141.7 1265.1 1123.5
Black 2 1 0 1 1.0 50.0 0.0 1133.0 1133.0
Standard All 5 2 0 3 2.0 40.0 -85.0 1212.3 1127.3
White 3 1 0 2 1.0 33.3 -141.7 1265.1 1123.5
Black 2 1 0 1 1.0 50.0 0.0 1133.0 1133.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2140303070 Phosekana, S (Siphesihle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 2140192197 Davids, C (Cathrien) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2140303072 Thukutha, D (Dakalo Makhadzi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 2130300398 Mapfumo, T (Tashly) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 2140135847 Lokwe, S (Simthandile) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list