Player Page

Du Plessis, S (Stefan)
Dob: 2007/04/07 (U18)
Gender: Male
Chess SA id: 107087110
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (66 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 rating1438.0
Current Weighted rating1442.7
Current Weighted performance1278.9
Current official/published rating (highest between Raw, WR and WP)1442.7
Current highest rating achieved1485.4
Current floor (min rating allowed)985.4
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)±118.1
Current Raw change used (final)0.0
Projected new Raw rating1438.0
Projected new Weighed rating1329.5
Projected new Weighted performance1278.9
Projected new final Raw rating (if new WP > new Raw)1438.0
Projected new highest rating1485.4
Projected new floor985.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1438.0
Projected effective change (new Official - current Official)-4.7
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 rating1365.0
Current Weighted rating1369.2
Current Weighted performance1261.0
Current official/published rating (highest between Raw, WR and WP)1369.2
Current highest rating achieved1401.8
Current floor (min rating allowed)901.8
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)±131.1
Current Raw change used (final)0.0
Projected new Raw rating1365.0
Projected new Weighed rating1261.8
Projected new Weighted performance1261.0
Projected new final Raw rating (if new WP > new Raw)1365.0
Projected new highest rating1401.8
Projected new floor901.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1365.0
Projected effective change (new Official - current Official)-4.2
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 rating1420.8
Current Weighted rating1378.6
Current Weighted performance1374.4
Current official/published rating (highest between Raw, WR and WP)1420.8
Current highest rating achieved1430.4
Current floor (min rating allowed)930.4
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)±121.1
Current Raw change used (final)0.0
Projected new Raw rating1420.8
Projected new Weighed rating1270.5
Projected new Weighted performance1374.4
Projected new final Raw rating (if new WP > new Raw)1420.8
Projected new highest rating1430.4
Projected new floor930.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1420.8
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 rating709.2
Current Weighted rating709.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)709.2
Current highest rating achieved709.2
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)±333.7
Current Raw change used (final)0.0
Projected new Raw rating709.2
Projected new Weighed rating652.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating709.2
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)709.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1444.0 1430.4 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 2.5 1485.4 1401.8 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1475.8 1381.8 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U18 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1475.8 1381.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
29 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1444.0 1430.4 Analysis
28 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 2.5 1485.4 1401.8 Analysis
27 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1475.8 1381.8 Analysis
26 Lower West Coast Schools Chess Prestige 2024 (U18 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1475.8 1381.8 Analysis
25 West Coast Primary Schools Grand Challenge League 2023 (High School) 2023/10/21 2023/10/21 West Coast (WCU) Rapid 15 0.39 5 5 4.0 1468.7 1346.2 Analysis
24 Pedro Booyse Top Schools 2023 (High School) 2023/07/29 2023/07/29 West Coast (WCU) Standard 60 0.83 5 5 5.0 1418.1 1347.1 Analysis
23 Lower West Coast Top Schools Championships 2023 (High School) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 2.5 1406.8 1323.2 Analysis
22 Western Cape HS Individuals 2023 (U17 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1372.4 1284.8 Analysis
21 West Coast High School Championships 2023 (U17 Boys) 2023/02/18 2023/02/18 West Coast (WCU) Standard 60 0.83 6 6 4.5 1323.6 1254.9 Analysis
20 Lower West Coast High Schools Prestige 2023 (U17 Boys) 2023/02/11 2023/02/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1323.6 1281.8 Analysis
19 West Coast Schools Chess Grand Challenge 2022 (HS Super) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1320.4 1283.2 Analysis
18 Onder-Weskus Top Skole 2022 (Hoerskool) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1318.5 1294.0 Analysis
17 Drakenstein Pioneers Open 2022 (B) 2022/03/26 2022/03/26 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1328.4 1259.2 Analysis
16 West Coast Schools Prestige 2022 (U15 Boys) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 6 5.0 1263.3 1135.6 Analysis
15 Lower West Coast 2021 (U15 Boys) 2021/04/10 2021/04/10 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1248.2 1288.2 Analysis
14 West Coast Schools Prestige 2020 (U13 Boys) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1239.3 1264.7 Analysis
13 Onder Weskus Prestige 2020 (U13 Boys) 2020/02/15 2020/02/22 West Coast (WCU) Standard 60 0.83 6 6 4.0 1161.3 1043.6 Analysis
12 Back to School Rapid 2020 (Boys) 2020/02/01 2020/02/01 West Coast (WCU) Rapid 20 0.47 5 5 4.0 1161.3 1106.0 Analysis
11 Western Cape Top Schools 2019 (U13 Mix) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1174.4 1030.4 Analysis
10 Curro Durbanville Chess Tournament 2019 (Premier) 2019/08/23 2019/08/24 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1206.1 1020.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 12 1 7 12.5 62.5 106.3 1282.7 1389.0
White 10 7 1 2 7.5 75.0 212.5 1181.4 1393.9
Black 10 5 0 5 5.0 50.0 0.0 1384.0 1384.0
Standard All 6 2 1 3 2.5 41.7 -70.8 1332.8 1262.0
White 3 1 1 1 1.5 50.0 0.0 1252.9 1252.9
Black 3 1 0 2 1.0 33.3 -141.7 1412.7 1271.1
Rapid All 14 10 0 4 10.0 71.4 182.1 1261.2 1443.4
White 7 6 0 1 6.0 85.7 303.6 1150.7 1454.3
Black 7 4 0 3 4.0 57.1 60.7 1371.7 1432.5
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 158 98 5 55 100.5 63.6 115.7 1220.5 1336.2
White 82 54 3 25 55.5 67.7 150.3 1193.6 1343.9
Black 76 44 2 30 45.0 59.2 78.3 1249.5 1327.8
Standard All 79 44 4 31 46.0 58.2 69.9 1218.2 1288.2
White 40 25 2 13 26.0 65.0 127.5 1184.4 1311.9
Black 39 19 2 18 20.0 51.3 10.9 1252.9 1263.8
Rapid All 79 54 1 24 54.5 69.0 161.4 1222.8 1384.2
White 42 29 1 12 29.5 70.2 172.0 1202.3 1374.3
Black 37 25 0 12 25.0 67.6 149.3 1246.0 1395.3
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 1060096290 Kariem, S (Shakir) 9 1.0 1 0 8 11.1 1294.7 -330.6 964.1 View list
2 108077754 Opperman, M (Matthew) 6 1.0 1 0 5 16.7 1324.4 -283.3 1041.0 View list
3 1060099677 Njokweni, L (Llyabona) 5 1.0 1 0 4 20.0 1265.4 -255.0 1010.4 View list
4 1070134025 Filander, J (Jayrin) 3 3.0 3 0 0 100.0 1421.0 425.0 1846.0 View list
5 106066235 Fillis, J (Jordan) 3 3.0 3 0 0 100.0 1244.4 425.0 1669.4 View list
6 1070131714 Maroem, D (Daron) 3 3.0 3 0 0 100.0 1265.7 425.0 1690.7 View list
7 1060099672 Ruiters, A (Adriaan) 3 3.0 3 0 0 100.0 1225.1 425.0 1650.1 View list
8 108090548 Lewaks, S (Shaundre) 3 2.0 2 0 1 66.7 1197.4 141.7 1339.0 View list
9 1080109625 Boks, L (Li-Thann) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
10 1070149726 De Meillon, K (Kian) 2 2.0 2 0 0 100.0 1383.8 425.0 1808.8 View list
11 1070117542 Farao, P (Pharel) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
12 1070100543 Kearns, R (Ray) 2 2.0 2 0 0 100.0 1168.3 425.0 1593.3 View list
13 1060110180 Klein, C (Calvin) 2 2.0 2 0 0 100.0 1198.5 425.0 1623.5 View list
14 1060110582 Koegelenberg, D (Daniel) 2 2.0 2 0 0 100.0 1395.3 425.0 1820.3 View list
15 1070110182 Maarman, R (Royaldhino) 2 2.0 2 0 0 100.0 1212.3 425.0 1637.3 View list
16 1080096285 Martins, M (Matthew) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
17 106077632 Visser, J (Jp) 2 2.0 2 0 0 100.0 1322.0 425.0 1747.0 View list
18 106066234 Fillis, J (Jared) 2 1.0 1 0 1 50.0 1198.5 0.0 1198.5 View list
19 107087100 Knoesen, Z (Zichri) 2 0.5 0 1 1 25.0 974.3 -212.5 761.8 View list
20 107082126 Saoud, J (Jassem) 2 0.0 0 0 2 0.0 975.5 -425.0 550.5 View list