Player Page

Van Der Westhuizen, IP (Izak Petrus)
Dob: 2009/05/30 (U16)
Gender: Male
Chess SA id: 109086538
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/03/09 (2085 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
Current Raw rating637.4
Current Weighted rating637.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)637.4
Current highest rating achieved637.4
Current floor (min rating allowed)500.0
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)±369.6
Current Raw change used (final)0.0
Projected new Raw rating637.4
Projected new Weighed rating586.4
Projected new Weighted performance162.7
Projected new final Raw rating (if new WP > new Raw)637.4
Projected new highest rating637.4
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)637.4
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating666.8
Current Weighted rating666.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)666.8
Current highest rating achieved666.8
Current floor (min rating allowed)500.0
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)±354.4
Current Raw change used (final)0.0
Projected new Raw rating666.8
Projected new Weighed rating613.5
Projected new Weighted performance162.7
Projected new final Raw rating (if new WP > new Raw)666.8
Projected new highest rating666.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)666.8
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2019 D4 Individual Finals (U11 Mixed) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 4 0.5 621.5 647.6 Analysis
2 2018 D4 Tshwane North Individual Chess Championships (U9 Boys) 2018/03/10 2018/03/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 550.5 560.8 Analysis
1 2018 Tshwane Registration Open Chess Tournament (E) 2018/01/27 2018/01/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 500.0 500.0 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 14 5 1 8 5.5 39.3 -91.1 1081.4 990.3
White 7 3 1 3 3.5 50.0 0.0 1108.7 1108.7
Black 7 2 0 5 2.0 28.6 -182.1 1054.1 872.0
Standard All 14 5 1 8 5.5 39.3 -91.1 1081.4 990.3
White 7 3 1 3 3.5 50.0 0.0 1108.7 1108.7
Black 7 2 0 5 2.0 28.6 -182.1 1054.1 872.0
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 210090521 Vivier, A (Anke) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
2 1090098591 Van Niekerk, J (Jano) 1 1.0 1 0 0 100.0 550.5 425.0 975.5 View list
3 1090098586 Seshoka, R (Rorisang) 1 1.0 1 0 0 100.0 550.5 425.0 975.5 View list
4 1100096766 Du Preez, J (Julian) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
5 1090098593 Kruger, H (Heinrich) 1 1.0 1 0 0 100.0 550.5 425.0 975.5 View list
6 1080112212 Hattingh, H (Heinrich) 1 0.5 0 1 0 50.0 621.5 0.0 621.5 View list
7 110086360 Wang, Y (Yiren) 1 0.0 0 0 1 0.0 550.5 -425.0 125.5 View list
8 109089433 Vlok, J (Jan) 1 0.0 0 0 1 0.0 550.5 -425.0 125.5 View list
9 1080112419 Strydom, BC (Barend Cornelius) 1 0.0 0 0 1 0.0 621.5 -425.0 196.5 View list
10 1090112421 Schoeman, RR (Russo Robbertse) 1 0.0 0 0 1 0.0 621.5 -425.0 196.5 View list
11 109069454 Sathish, A (Abinavah) 1 0.0 0 0 1 0.0 621.5 -425.0 196.5 View list
12 106090515 Lovell, MW (Michael Will) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
13 106095058 Dippenaar, A (Adriaan) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
14 200086356 Campher, T (Tiffany) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list