Player Page

Viljoen, P (Pieter)
Dob: 2011/10/29 (U14)
Gender: Male
Chess SA id: 1110138431
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (81 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 rating1354.4
Current Weighted rating1293.6
Current Weighted performance1305.1
Current official/published rating (highest between Raw, WR and WP)1354.4
Current highest rating achieved1354.4
Current floor (min rating allowed)854.4
Current K-factor36
Games played this month-4
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)±133.1
Current Raw change used (final)0.0
Projected new Raw rating1354.4
Projected new Weighed rating1192.5
Projected new Weighted performance1305.1
Projected new final Raw rating (if new WP > new Raw)1354.4
Projected new highest rating1354.4
Projected new floor854.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1354.4
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 rating1337.8
Current Weighted rating1267.6
Current Weighted performance1318.9
Current official/published rating (highest between Raw, WR and WP)1337.8
Current highest rating achieved1337.8
Current floor (min rating allowed)837.8
Current K-factor36
Games played this month-4
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)±136.3
Current Raw change used (final)0.0
Projected new Raw rating1337.8
Projected new Weighed rating1168.5
Projected new Weighted performance1318.9
Projected new final Raw rating (if new WP > new Raw)1337.8
Projected new highest rating1337.8
Projected new floor837.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1337.8
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 rating1270.6
Current Weighted rating1263.3
Current Weighted performance1192.0
Current official/published rating (highest between Raw, WR and WP)1270.6
Current highest rating achieved1281.8
Current floor (min rating allowed)781.8
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)±149.9
Current Raw change used (final)0.0
Projected new Raw rating1270.6
Projected new Weighed rating1163.3
Projected new Weighted performance1192.0
Projected new final Raw rating (if new WP > new Raw)1270.6
Projected new highest rating1281.8
Projected new floor781.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1270.6
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1320.3 1299.6 Analysis
4 Hermanus Chess Club Open 2024 (Intermediate) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1327.4 1281.8 Analysis
3 Western Cape Inter Region Cup 2024 (U14 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 4 1.0 1292.2 1264.7 Analysis
2 Overberg Schools - PS Closed 2024 (U13 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.5 1292.2 1264.7 Analysis
1 Overberg Schools - PS Trials Region 3 2024 (U13 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1292.2 1267.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1320.3 1299.6 Analysis
13 Hermanus Chess Club Open 2024 (Intermediate) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1327.4 1281.8 Analysis
12 Western Cape Inter Region Cup 2024 (U14 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 4 1.0 1292.2 1264.7 Analysis
11 Overberg Schools - PS Closed 2024 (U13 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.5 1292.2 1264.7 Analysis
10 Overberg Schools - PS Trials Region 3 2024 (U13 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1292.2 1267.4 Analysis
9 Overberg Top Schools 2023 (U13) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 5 3.0 1283.8 1245.6 Analysis
8 Western Cape PS Individuals 2023 (U13 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1265.9 1227.6 Analysis
7 Hermanus Rapid 2023 (C) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 3.0 1265.3 1261.3 Analysis
6 Overberg School Chess Closed Tournament 2023 (U13 Boys) 2023/03/25 2023/03/25 Overberg (WOS) Standard 60 0.83 5 5 4.0 1191.2 1164.6 Analysis
5 Overberg Primary School Trials (Region 2) 2023 (U13 Boys) 2023/02/24 2023/03/10 Overberg (WOS) Rapid 20 0.47 6 6 4.0 1191.2 1226.4 Analysis
4 Overberg Schools Open Tournament 2023 (U12) 2023/02/11 2023/02/11 Overberg (WOS) Rapid 20 0.47 5 5 3.0 1176.8 1199.2 Analysis
3 Western Cape Schools 2022 (U11 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 5 1.0 1216.6 1220.0 Analysis
2 The Hermanus Open 2022 (U12) 2022/05/14 2022/05/14 Overberg (WOS) Rapid 10 0.29 6 6 3.0 1216.6 1200.0 Analysis
1 Overberg Primary Schools Closed 2022 (U11 Boys) 2022/03/12 2022/03/12 Overberg (WOS) 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 27 14 2 11 15.0 55.6 47.2 1323.5 1370.7
White 13 7 1 5 7.5 57.7 65.4 1329.7 1395.1
Black 14 7 1 6 7.5 53.6 30.4 1317.8 1348.1
Standard All 15 7 2 6 8.0 53.3 28.3 1396.1 1424.4
White 8 4 1 3 4.5 56.3 53.1 1404.8 1457.9
Black 7 3 1 3 3.5 50.0 0.0 1386.1 1386.1
Rapid All 12 7 0 5 7.0 58.3 70.8 1232.8 1303.6
White 5 3 0 2 3.0 60.0 85.0 1209.5 1294.5
Black 7 4 0 3 4.0 57.1 60.7 1249.5 1310.2
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 76 41 2 33 42.0 55.3 44.7 1276.9 1321.6
White 37 24 1 12 24.5 66.2 137.8 1268.3 1406.1
Black 39 17 1 21 17.5 44.9 -43.6 1285.0 1241.4
Standard All 41 21 2 18 22.0 53.7 31.1 1307.0 1338.1
White 21 15 1 5 15.5 73.8 202.4 1292.2 1494.6
Black 20 6 1 13 6.5 32.5 -148.8 1322.6 1173.9
Rapid All 35 20 0 15 20.0 57.1 60.7 1241.5 1302.2
White 16 9 0 7 9.0 56.3 53.1 1236.9 1290.0
Black 19 11 0 8 11.0 57.9 67.1 1245.4 1312.5
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 1110133391 Foye, L (Logan) 3 1.0 1 0 2 33.3 1219.0 -141.7 1077.4 View list
2 1120113687 Prinsloo, L (Lyle) 3 1.0 1 0 2 33.3 1301.6 -141.7 1159.9 View list
3 1110106824 Scholtz, F (Francois) 3 1.0 1 0 2 33.3 1189.3 -141.7 1047.7 View list
4 1120138420 Erasmus, A (Ashton) 2 2.0 2 0 0 100.0 1246.1 425.0 1671.1 View list
5 1110134802 Davison, T (Thomas) 2 2.0 2 0 0 100.0 1288.0 425.0 1713.0 View list
6 1120138427 Nelson, L (Lihan) 2 2.0 2 0 0 100.0 1208.3 425.0 1633.3 View list
7 1000152327 Rolobane, A (Avuyile) 2 2.0 2 0 0 100.0 1191.2 425.0 1616.2 View list
8 1110110756 Olivier, F (Francois) 2 1.5 1 1 0 75.0 1241.7 212.5 1454.2 View list
9 1100116672 Kiessling, K (Kai) 2 0.0 0 0 2 0.0 1237.5 -425.0 812.5 View list
10 1110140733 Ngidi, N (Ndumiso) 2 0.0 0 0 2 0.0 1306.3 -425.0 881.3 View list
11 1120130328 Drury, R (Riko) 1 1.0 1 0 0 100.0 1292.2 425.0 1717.2 View list
12 1100150935 Booysen, W (Whandre) 1 1.0 1 0 0 100.0 1265.9 425.0 1690.9 View list
13 1110152320 Christie Smith, J (Jim) 1 1.0 1 0 0 100.0 1191.2 425.0 1616.2 View list
14 2100138473 Collins, X (Xiane) 1 1.0 1 0 0 100.0 1283.8 425.0 1708.8 View list
15 1090150652 Du Plessis, M (Matthys Armand) 1 1.0 1 0 0 100.0 1327.4 425.0 1752.4 View list
16 2050138672 Fillies, K (Keshe) 1 1.0 1 0 0 100.0 1327.4 425.0 1752.4 View list
17 1110150421 Faure, D (Douglas) 1 1.0 1 0 0 100.0 1320.3 425.0 1745.3 View list
18 1110138423 Gumbato, B (Blessed) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1110152321 Groenewald, L (Lorenzo) 1 1.0 1 0 0 100.0 1191.2 425.0 1616.2 View list
20 1120150083 Franken, R (Roy) 1 1.0 1 0 0 100.0 1176.8 425.0 1601.8 View list