Player Page

Van Der Westhuyzen, P (Petrus Johanne)
Dob: 2008/05/15 (U18)
Gender: Male
Chess SA id: 1080146876
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/05/06 (568 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 rating1300.1
Current Weighted rating1296.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.1
Current highest rating achieved1300.1
Current floor (min rating allowed)800.1
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.1
Projected new Weighed rating1194.2
Projected new Weighted performance896.8
Projected new final Raw rating (if new WP > new Raw)1300.1
Projected new highest rating1300.1
Projected new floor800.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.1
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 rating1321.8
Current Weighted rating1318.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1321.8
Current highest rating achieved1321.8
Current floor (min rating allowed)821.8
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)±139.4
Current Raw change used (final)0.0
Projected new Raw rating1321.8
Projected new Weighed rating1213.9
Projected new Weighted performance736.6
Projected new final Raw rating (if new WP > new Raw)1321.8
Projected new highest rating1321.8
Projected new floor821.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1321.8
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 rating1126.0
Current Weighted rating1126.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1126.0
Current highest rating achieved1126.0
Current floor (min rating allowed)626.0
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)±184.3
Current Raw change used (final)0.0
Projected new Raw rating1126.0
Projected new Weighed rating1035.9
Projected new Weighted performance281.1
Projected new final Raw rating (if new WP > new Raw)1126.0
Projected new highest rating1126.0
Projected new floor626.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1126.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 2023 Mid Gauteng Open Tournament (D) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1264.8 1283.6 Analysis
2 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1193.1 1200.0 Analysis
1 Afrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 2022/09/22 2022/09/22 Tshwane (GTP) Rapid 25 0.54 7 7 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 16 11 0 5 11.0 68.8 159.4 1215.8 1375.1
White 7 5 0 2 5.0 71.4 182.1 1207.0 1389.1
Black 9 6 0 3 6.0 66.7 141.7 1222.6 1364.3
Standard All 9 8 0 1 8.0 88.9 330.6 1213.2 1543.8
White 4 3 0 1 3.0 75.0 212.5 1209.0 1421.5
Black 5 5 0 0 5.0 100.0 425.0 1216.6 1641.6
Rapid All 7 3 0 4 3.0 42.9 -60.7 1219.0 1158.3
White 3 2 0 1 2.0 66.7 141.7 1204.3 1346.0
Black 4 1 0 3 1.0 25.0 -212.5 1230.1 1017.6
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 2100109348 Karsten, CB (Chay Belle) 2 1.0 1 0 1 50.0 1228.9 0.0 1228.9 View list
2 1070138288 Crouse, R (Ronald Clive) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1070115477 Coetzer, W (Waldo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 107078866 Ferreira, H (Hechter) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2070143697 Tivane, L (Lebo) 1 1.0 1 0 0 100.0 1264.8 425.0 1689.8 View list
6 2090151374 Swanepoel, M (Montiné) 1 1.0 1 0 0 100.0 1193.1 425.0 1618.1 View list
7 206084814 Stander, L (Lizanne) 1 1.0 1 0 0 100.0 1264.8 425.0 1689.8 View list
8 2120130097 Padayachy, V (Vidya) 1 1.0 1 0 0 100.0 1193.1 425.0 1618.1 View list
9 2060146015 Nthle, P (Palesa) 1 1.0 1 0 0 100.0 1264.8 425.0 1689.8 View list
10 107079671 Makaleng, M (Mosa) 1 1.0 1 0 0 100.0 1193.1 425.0 1618.1 View list
11 1090116738 Makaleng, K (Kgothatso) 1 1.0 1 0 0 100.0 1264.8 425.0 1689.8 View list
12 108086772 Zietsman, SC (Steyn) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 105092339 Kunz, D (Dirk) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1060135512 Markram, G (Gideon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 104008166 Du Toit, DR (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list