Player Page

Van Der Westhuizen, A (Andru)
Dob: 2012/01/10 (U14)
Gender: Male
Chess SA id: 1120139989
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/07/29 (314 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 rating1214.8
Curent Weighted rating1209.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1214.8
Current floor (min rating allowed)714.8
Current highest rating achieved1214.8
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)±162.4
Current Raw change used (final)0.0
Projected new Raw rating1214.8
Projected new Weighed rating1210.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1214.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1214.8
Projected new floor714.8
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 rating1222.0
Curent Weighted rating1216.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1222.0
Current floor (min rating allowed)722.0
Current highest rating achieved1222.0
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)±160.7
Current Raw change used (final)0.0
Projected new Raw rating1222.0
Projected new Weighed rating1217.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1222.0
Projected new floor722.0
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 rating1200.8
Curent Weighted rating1200.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.8
Current floor (min rating allowed)700.8
Current highest rating achieved1200.8
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)±165.6
Current Raw change used (final)0.0
Projected new Raw rating1200.8
Projected new Weighed rating1200.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.8
Projected new floor700.8
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)700.8
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 floor700.8
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 2023 Tshwane South School District CLOSED League Championship (U11) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1195.9 1200.0 Analysis
1 D4 Individuals 2022 (U11 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 6 3.0 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 11 6 0 5 6.0 54.5 38.6 1188.0 1226.6
White 5 2 0 3 2.0 40.0 -85.0 1178.7 1093.7
Black 6 4 0 2 4.0 66.7 141.7 1195.7 1337.4
Standard All 5 3 0 2 3.0 60.0 85.0 1202.0 1287.0
White 2 1 0 1 1.0 50.0 0.0 1195.4 1195.4
Black 3 2 0 1 2.0 66.7 141.7 1206.3 1348.0
Rapid All 6 3 0 3 3.0 50.0 0.0 1176.3 1176.3
White 3 1 0 2 1.0 33.3 -141.7 1167.5 1025.8
Black 3 2 0 1 2.0 66.7 141.7 1185.1 1326.8
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 1120134047 Engelbrecht, E (Eben) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
2 1130130099 Coetzee, D (Daniel) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
3 2130135724 Brand, I (Isabelle) 1 1.0 1 0 0 100.0 1195.9 425.0 1620.9 View list
4 1130136636 Basson, D (Daniel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 112087592 Potgieter, H (Hanro) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1130112336 Pieters, H (Hanroux) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1130136642 Ottermann, E (Erik) 1 0.0 0 0 1 0.0 1195.9 -425.0 770.9 View list
8 2120139975 Weder, K (Karlien) 1 0.0 0 0 1 0.0 1195.9 -425.0 770.9 View list
9 1110108344 Wagener, K (Keegan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1130136645 Truscott, A (Adriaan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1110131101 Swanepoel, D (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list