Player Page

Van Der Merwe, J (Josua)
Dob: 2014/04/16 (U12)
Gender: Male
Chess SA id: 1140162269
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (28 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 rating1120.3
Curent Weighted rating1193.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1193.1
Current floor (min rating allowed)705.7
Current highest rating achieved1205.7
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)±185.8
Current Raw change used (final)0.0
Projected new Raw rating1120.3
Projected new Weighed rating1187.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1187.0
Projected effective change (new Official - current Official)-6.1
Projected new highest rating1205.7
Projected new floor705.7
Projected new K-facor36
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 rating1101.1
Curent Weighted rating1190.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1190.9
Current floor (min rating allowed)705.8
Current highest rating achieved1205.8
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)±190.9
Current Raw change used (final)0.0
Projected new Raw rating1101.1
Projected new Weighed rating1183.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1183.4
Projected effective change (new Official - current Official)-7.6
Projected new highest rating1205.8
Projected new floor705.8
Projected new K-facor36
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 achieved1200.0
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 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 rating1200.0
Projected new floor700.0
Projected new K-facor36
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 achieved1200.0
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 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 rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Bojanala Olienpark's One For The Ages 2024 (Knights) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 0.5 1160.3 1151.1 Analysis
1 Schoemies' Kings & Queens 2024 (Knights) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 4 0.5 1205.7 1205.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Bojanala Olienpark's One For The Ages 2024 (Knights) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 0.5 1160.3 1151.1 Analysis
2 Schoemies' Kings & Queens 2024 (Knights) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 4 0.5 1205.7 1205.8 Analysis
1 Bojanala's Battle Of Mount Cambridge 2023 (Cener Pawns) 2023/09/16 2023/09/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 0 2 7 1.0 11.1 -330.6 1237.6 907.1
White 4 0 1 3 0.5 12.5 -318.8 1252.3 933.6
Black 5 0 1 4 0.5 10.0 -340.0 1225.8 885.8
Standard All 9 0 2 7 1.0 11.1 -330.6 1237.6 907.1
White 4 0 1 3 0.5 12.5 -318.8 1252.3 933.6
Black 5 0 1 4 0.5 10.0 -340.0 1225.8 885.8
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 14 3 2 9 4.0 28.6 -182.1 1208.3 1026.1
White 7 2 1 4 2.5 35.7 -121.4 1215.1 1093.7
Black 7 1 1 5 1.5 21.4 -242.9 1201.4 958.6
Standard All 14 3 2 9 4.0 28.6 -182.1 1208.3 1026.1
White 7 2 1 4 2.5 35.7 -121.4 1215.1 1093.7
Black 7 1 1 5 1.5 21.4 -242.9 1201.4 958.6
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 1150141737 Maserumule, T (Tlotlo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1140156744 Tungwane, T (Thoane Goabaone) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2150158843 Brumskine, W (Willow) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1130148745 Voigt, R (Rainer) 1 0.5 0 1 0 50.0 1160.3 0.0 1160.3 View list
5 1080300041 Mbatha, T (Thamsanqa) 1 0.5 0 1 0 50.0 1205.7 0.0 1205.7 View list
6 1140145150 Siko, O (Omogolo Reatlegile) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 2140302165 Senetse, T (Tshepang) 1 0.0 0 0 1 0.0 1160.3 -425.0 735.3 View list
8 2090300050 Ngwenya, R (Reotshepile) 1 0.0 0 0 1 0.0 1205.7 -425.0 780.7 View list
9 1130300048 Motsuane, O (Omphile) 1 0.0 0 0 1 0.0 1205.7 -425.0 780.7 View list
10 1140136365 Mokone, R (Remoabetswe Kgotla) 1 0.0 0 0 1 0.0 1160.3 -425.0 735.3 View list
11 2140158313 Mann, L (Leane) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 2140134062 Fourie, K (Karla) 1 0.0 0 0 1 0.0 1160.3 -425.0 735.3 View list
13 107093975 Coetzer, R (Ruan) 1 0.0 0 0 1 0.0 1205.7 -425.0 780.7 View list
14 1130131229 Changara, A (Alvern Takura) 1 0.0 0 0 1 0.0 1160.3 -425.0 735.3 View list