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: 2024/09/27 (55 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 rating1489.6
Current Weighted rating1347.1
Current Weighted performance1478.6
Current official/published rating (highest between Raw, WR and WP)1489.6
Current highest rating achieved1489.6
Current floor (min rating allowed)989.6
Current K-factor32
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)±109.8
Current Raw change used (final)0.0
Projected new Raw rating1489.6
Projected new Weighed rating1242.4
Projected new Weighted performance1478.6
Projected new final Raw rating (if new WP > new Raw)1489.6
Projected new highest rating1489.6
Projected new floor989.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1489.6
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 rating1495.5
Current Weighted rating1331.2
Current Weighted performance1479.1
Current official/published rating (highest between Raw, WR and WP)1495.5
Current highest rating achieved1495.5
Current floor (min rating allowed)995.5
Current K-factor32
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)±108.8
Current Raw change used (final)0.0
Projected new Raw rating1495.5
Projected new Weighed rating1228.3
Projected new Weighted performance1479.1
Projected new final Raw rating (if new WP > new Raw)1495.5
Projected new highest rating1495.5
Projected new floor995.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1495.5
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 rating1323.2
Current Weighted rating1276.9
Current Weighted performance1274.2
Current official/published rating (highest between Raw, WR and WP)1323.2
Current highest rating achieved1323.2
Current floor (min rating allowed)823.2
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)±139.1
Current Raw change used (final)0.0
Projected new Raw rating1323.2
Projected new Weighed rating1175.6
Projected new Weighted performance1274.2
Projected new final Raw rating (if new WP > new Raw)1323.2
Projected new highest rating1323.2
Projected new floor823.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1323.2
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
10 Overberg GP Invitational Day 2 2024 (B) 2024/09/27 2024/09/27 Overberg (WOS) Standard 60 0.83 5 5 4.5 1401.9 1413.0 Analysis
9 Overberg GP Invitational Day 1 2024 (B) 2024/09/26 2024/09/26 Overberg (WOS) Standard 60 0.83 5 5 3.0 1401.9 1413.0 Analysis
8 Kleinmond Chess Club Open 2024 (U14) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 4.5 1401.9 1270.6 Analysis
7 Western Cape Top Schools Championship 2024 (U13 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 3.5 1401.9 1413.0 Analysis
6 Overberg Schools - Top Schools 2024 (U13 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 5 5.0 1354.4 1337.8 Analysis
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
19 Overberg GP Invitational Day 2 2024 (B) 2024/09/27 2024/09/27 Overberg (WOS) Standard 60 0.83 5 5 4.5 1401.9 1413.0 Analysis
18 Overberg GP Invitational Day 1 2024 (B) 2024/09/26 2024/09/26 Overberg (WOS) Standard 60 0.83 5 5 3.0 1401.9 1413.0 Analysis
17 Kleinmond Chess Club Open 2024 (U14) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 4.5 1401.9 1270.6 Analysis
16 Western Cape Top Schools Championship 2024 (U13 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 3.5 1401.9 1413.0 Analysis
15 Overberg Schools - Top Schools 2024 (U13 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 5 5.0 1354.4 1337.8 Analysis
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 54 33 5 16 35.5 65.7 133.8 1313.6 1447.4
White 27 19 2 6 20.0 74.1 204.6 1305.8 1510.5
Black 27 14 3 10 15.5 57.4 63.0 1321.4 1384.3
Standard All 36 22 4 10 24.0 66.7 141.7 1335.5 1477.1
White 19 13 2 4 14.0 73.7 201.3 1329.5 1530.8
Black 17 9 2 6 10.0 58.8 75.0 1342.2 1417.2
Rapid All 18 11 1 6 11.5 63.9 118.1 1269.9 1387.9
White 8 6 0 2 6.0 75.0 212.5 1249.7 1462.2
Black 10 5 1 4 5.5 55.0 42.5 1286.0 1328.5
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 103 60 5 38 62.5 60.7 90.8 1283.9 1374.7
White 51 36 2 13 37.0 72.5 191.7 1272.5 1464.2
Black 52 24 3 25 25.5 49.0 -8.2 1295.1 1286.9
Standard All 62 36 4 22 38.0 61.3 96.0 1302.0 1398.0
White 32 24 2 6 25.0 78.1 239.1 1286.2 1525.3
Black 30 12 2 16 13.0 43.3 -56.7 1318.9 1262.2
Rapid All 41 24 1 16 24.5 59.8 82.9 1256.5 1339.4
White 19 12 0 7 12.0 63.2 111.8 1249.5 1361.3
Black 22 12 1 9 12.5 56.8 58.0 1262.5 1320.5
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 2120138446 Stevens, DA (Danielle-Ann) 3 2.0 2 0 1 66.7 1401.9 141.7 1543.6 View list
2 1110133391 Foye, L (Logan) 3 1.0 1 0 2 33.3 1219.0 -141.7 1077.4 View list
3 1120113687 Prinsloo, L (Lyle) 3 1.0 1 0 2 33.3 1301.6 -141.7 1159.9 View list
4 1110106824 Scholtz, F (Francois) 3 1.0 1 0 2 33.3 1189.3 -141.7 1047.7 View list
5 2110133361 Van Der Linde, L (Luandi) 3 1.0 1 0 2 33.3 1401.9 -141.7 1260.2 View list
6 1120138420 Erasmus, A (Ashton) 2 2.0 2 0 0 100.0 1246.1 425.0 1671.1 View list
7 2120138437 Collins, E (Esme) 2 2.0 2 0 0 100.0 1401.9 425.0 1826.9 View list
8 1110134802 Davison, T (Thomas) 2 2.0 2 0 0 100.0 1288.0 425.0 1713.0 View list
9 1110300069 Jiri, H (Howard) 2 2.0 2 0 0 100.0 1323.3 425.0 1748.3 View list
10 1120138427 Nelson, L (Lihan) 2 2.0 2 0 0 100.0 1208.3 425.0 1633.3 View list
11 1000152327 Rolobane, A (Avuyile) 2 2.0 2 0 0 100.0 1191.2 425.0 1616.2 View list
12 1110154629 Roux, C (Charl) 2 2.0 2 0 0 100.0 1361.1 425.0 1786.1 View list
13 1110110756 Olivier, F (Francois) 2 1.5 1 1 0 75.0 1241.7 212.5 1454.2 View list
14 2120110759 Ntontelo, K (Khazimla) 2 0.5 0 1 1 25.0 1309.3 -212.5 1096.8 View list
15 1100116672 Kiessling, K (Kai) 2 0.0 0 0 2 0.0 1237.5 -425.0 812.5 View list
16 1110140733 Ngidi, N (Ndumiso) 2 0.0 0 0 2 0.0 1306.3 -425.0 881.3 View list
17 1120130328 Drury, R (Riko) 1 1.0 1 0 0 100.0 1292.2 425.0 1717.2 View list
18 2050138672 Fillies, K (Keshe) 1 1.0 1 0 0 100.0 1327.4 425.0 1752.4 View list
19 1110150421 Faure, D (Douglas) 1 1.0 1 0 0 100.0 1320.3 425.0 1745.3 View list
20 1100150935 Booysen, W (Whandre) 1 1.0 1 0 0 100.0 1265.9 425.0 1690.9 View list