Player Page

Pietersen, W (Willmore)
Dob: 1989/01/02 (Adult)
Gender: Male
Chess SA id: 189050816
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (59 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 rating1496.4
Current Weighted rating1488.3
Current Weighted performance1310.5
Current official/published rating (highest between Raw, WR and WP)1496.4
Current highest rating achieved1496.4
Current floor (min rating allowed)996.4
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)±108.7
Current Raw change used (final)0.0
Projected new Raw rating1496.4
Projected new Weighed rating1369.9
Projected new Weighted performance1310.5
Projected new final Raw rating (if new WP > new Raw)1496.4
Projected new highest rating1496.4
Projected new floor996.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1496.4
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 rating1509.8
Current Weighted rating1508.5
Current Weighted performance1115.8
Current official/published rating (highest between Raw, WR and WP)1509.8
Current highest rating achieved1509.8
Current floor (min rating allowed)1009.8
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)±106.6
Current Raw change used (final)0.0
Projected new Raw rating1509.8
Projected new Weighed rating1388.4
Projected new Weighted performance1115.8
Projected new final Raw rating (if new WP > new Raw)1509.8
Projected new highest rating1509.8
Projected new floor1009.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1509.8
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 rating1320.9
Current Weighted rating1259.4
Current Weighted performance1182.7
Current official/published rating (highest between Raw, WR and WP)1320.9
Current highest rating achieved1320.9
Current floor (min rating allowed)820.9
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)±139.6
Current Raw change used (final)0.0
Projected new Raw rating1320.9
Projected new Weighed rating1159.7
Projected new Weighted performance1182.7
Projected new final Raw rating (if new WP > new Raw)1320.9
Projected new highest rating1320.9
Projected new floor820.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1320.9
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 rating1300.4
Current Weighted rating1263.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.4
Current highest rating achieved1300.4
Current floor (min rating allowed)800.4
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)±143.7
Current Raw change used (final)0.0
Projected new Raw rating1300.4
Projected new Weighed rating1163.1
Projected new Weighted performance932.0
Projected new final Raw rating (if new WP > new Raw)1300.4
Projected new highest rating1300.4
Projected new floor800.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Hermanus Chess Club Open 2024 (Advanced) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1492.0 1251.8 Analysis
1 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 3.0 1487.5 1247.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Hermanus Chess Club Open 2024 (Advanced) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1492.0 1251.8 Analysis
16 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 3.0 1487.5 1247.8 Analysis
15 Cape of Good Hope Open 2023 (Rapid) 2023/01/29 2023/01/29 Cape Town (WCT) Rapid 25 0.54 6 5 2.0 1489.9 1205.7 Analysis
14 Western Cape Closed Championship 2022 (Blitz) 2022/09/24 2022/09/25 Cape Winelands (WCW) Blitz 5 0.18 7 6 2.0 1422.4 1274.8 Analysis
13 2022 Western Province Club League (C) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 7 6.5 1420.8 1446.4 Analysis
12 CTCA Rapid Masters @ Kraaifontein Library 2022 (Open) 2022/05/15 2022/05/15 Cape Town (WCT) Rapid 15 0.39 6 1 0.0 1431.5 1223.3 Analysis
11 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) 2022/04/18 2022/04/18 Cape Town (WCT) Rapid 15 0.39 6 6 2.0 1446.0 1231.2 Analysis
10 Western Province Open 2022 (Advanced) 2022/02/25 2022/02/27 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1444.5 1439.9 Analysis
9 Cape Winelands Open 2022 (Advanced) 2022/02/12 2022/02/13 Cape Winelands (WCW) Standard 70 0.87 6 6 3.0 1444.5 1439.9 Analysis
8 Kraaifontein Open 2022 (Intermediate) 2022/01/08 2022/01/09 Cape Town (WCT) Standard 70 0.87 6 6 5.5 1380.6 1363.9 Analysis
7 Kraaifontein Rapid 2021 (Advanced) 2021/12/11 2021/12/12 Cape Town (WCT) Rapid 30 0.60 6 6 3.5 1367.0 1198.0 Analysis
6 Western Cape Closed 2021 (Open) 2021/09/24 2021/09/25 Cape Winelands (WCW) Standard 70 0.87 6 6 3.5 1372.0 1372.5 Analysis
5 Paul Roos Gymnasium Covid-19 Challenge 2021 (B) 2021/02/27 2021/02/28 Cape Winelands (WCW) Standard 65 0.85 5 5 4.0 1309.3 1297.6 Analysis
4 2020 Western Province Open (Prestige) 2020/03/07 2020/03/08 Cape Town (WCT) Standard 70 0.87 6 6 4.0 1259.8 1236.4 Analysis
3 Paul Roos Blitz 2020 2020/02/22 2020/02/22 Cape Winelands (WCW) Blitz 5 0.18 9 9 6.0 1239.0 1200.0 Analysis
2 Nelson Mandela Rapid 2020 (Open) 2020/02/01 2020/02/01 Cape Town (WCT) Rapid 27 0.57 6 6 2.0 1239.0 1200.0 Analysis
1 2019 Western Cape Closed Chess Championships (D) 2019/09/21 2019/09/22 Cape Winelands (WCW) Standard 70 0.87 6 6 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 5 2 7 6.0 42.9 -60.7 1629.9 1569.2
White 6 3 1 2 3.5 58.3 70.8 1581.6 1652.5
Black 8 2 1 5 2.5 31.3 -159.4 1666.1 1506.8
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 7 2 2 3 3.0 42.9 -60.7 1583.2 1522.5
White 3 1 1 1 1.5 50.0 0.0 1603.7 1603.7
Black 4 1 1 2 1.5 37.5 -106.3 1567.9 1461.6
Blitz All 7 3 0 4 3.0 42.9 -60.7 1676.6 1615.9
White 3 2 0 1 2.0 66.7 141.7 1559.5 1701.2
Black 4 1 0 3 1.0 25.0 -212.5 1764.4 1551.9
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 101 54 6 41 57.0 56.4 54.7 1404.0 1458.7
White 46 26 2 18 27.0 58.7 73.9 1383.9 1457.8
Black 55 28 4 23 30.0 54.5 38.6 1420.9 1459.5
Standard All 48 32 3 13 33.5 69.8 168.2 1333.4 1501.6
White 23 15 1 7 15.5 67.4 147.8 1306.0 1453.8
Black 25 17 2 6 18.0 72.0 187.0 1358.7 1545.7
Rapid All 31 11 3 17 12.5 40.3 -82.3 1476.6 1394.3
White 13 5 1 7 5.5 42.3 -65.4 1458.7 1393.3
Black 18 6 2 10 7.0 38.9 -94.4 1489.5 1395.0
Blitz All 22 11 0 11 11.0 50.0 0.0 1455.8 1455.8
White 10 6 0 4 6.0 60.0 85.0 1465.8 1550.8
Black 12 5 0 7 5.0 41.7 -70.8 1447.6 1376.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 102045848 Munro, JM (Jonathan) 3 0.5 0 1 2 16.7 1397.9 -283.3 1114.5 View list
2 2100118020 Smith, S (Shiloh) 2 2.0 2 0 0 100.0 1373.7 425.0 1798.7 View list
3 1060108786 Blauw, S (Siyamthanda) 2 1.0 1 0 1 50.0 1429.5 0.0 1429.5 View list
4 197056130 Titus, V (Virgel) 2 0.0 0 0 2 0.0 1249.4 -425.0 824.4 View list
5 1010140109 Crawford, R (Ross) 1 1.0 1 0 0 100.0 1446.0 425.0 1871.0 View list
6 149004276 Carter, ES (Eric) 1 1.0 1 0 0 100.0 1492.0 425.0 1917.0 View list
7 103071988 Cupido, L (Leighton) 1 1.0 1 0 0 100.0 1420.8 425.0 1845.8 View list
8 189002582 Booys, LI (Leatin) 1 1.0 1 0 0 100.0 1444.5 425.0 1869.5 View list
9 100007192 Deysel, A (Ashwin) 1 1.0 1 0 0 100.0 1372.0 425.0 1797.0 View list
10 1090097018 Degueldre, J (Jean-Christian) 1 1.0 1 0 0 100.0 1380.6 425.0 1805.6 View list
11 103087389 Badenhorst, B (Bernard) 1 1.0 1 0 0 100.0 1239.0 425.0 1664.0 View list
12 1050132442 Appollis, M (Martino) 1 1.0 1 0 0 100.0 1239.0 425.0 1664.0 View list
13 1060101971 Achiano, K (Kofi) 1 1.0 1 0 0 100.0 1239.0 425.0 1664.0 View list
14 208084107 Beveridge, TG (Talitha) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1820130541 Benans, Y (Yulin) 1 1.0 1 0 0 100.0 1239.0 425.0 1664.0 View list
16 111094683 Bingold, V (Vincent) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 107087105 Brink, W (Wihan) 1 1.0 1 0 0 100.0 1380.6 425.0 1805.6 View list
18 103076866 Du Plessis, F (Francois) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 205055185 Du Preez, K (Katrien) 1 1.0 1 0 0 100.0 1372.0 425.0 1797.0 View list
20 102071989 Dyantyi, L (Liyabona) 1 1.0 1 0 0 100.0 1420.8 425.0 1845.8 View list