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: 2024/10/26 (29 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 rating1407.7
Current Weighted rating1440.9
Current Weighted performance1214.8
Current official/published rating (highest between Raw, WR and WP)1440.9
Current highest rating achieved1485.4
Current floor (min rating allowed)985.4
Current K-factor32
Games played this month5
Score (S)4.0
Expected score (We)3.01
Difference (S-We)0.47
Current Raw change (no limits, including tournament time weight)14.9
Current min/max change allowed (with limits)±123.3
Current Raw change used (final)14.9
Projected new Raw rating1422.6
Projected new Weighed rating1326.5
Projected new Weighted performance1298.0
Projected new final Raw rating (if new WP > new Raw)1422.6
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)1422.6
Projected effective change (new Official - current Official)-18.3
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 rating1335.9
Current Weighted rating1367.5
Current Weighted performance1225.9
Current official/published rating (highest between Raw, WR and WP)1367.5
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)±136.6
Current Raw change used (final)0.0
Projected new Raw rating1335.9
Projected new Weighed rating1258.9
Projected new Weighted performance1225.9
Projected new final Raw rating (if new WP > new Raw)1335.9
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)1335.9
Projected effective change (new Official - current Official)-31.6
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 rating1398.3
Current Weighted performance1309.2
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 month5
Score (S)4.0
Expected score (We)3.23
Difference (S-We)0.77
Current Raw change (no limits, including tournament time weight)24.6
Current min/max change allowed (with limits)±121.1
Current Raw change used (final)24.6
Projected new Raw rating1445.4
Projected new Weighed rating1288.4
Projected new Weighted performance1390.7
Projected new final Raw rating (if new WP > new Raw)1445.4
Projected new highest rating1445.4
Projected new floor945.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1445.4
Projected effective change (new Official - current Official)+24.6
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
Tournament: West Coast Grand Challange League 2024 (HS Champions)
Start: 2024/10/26  End: 2024/10/26  Host: WCU  Type: Rapid   Time: 20  Time weight: 0.47  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1407.7  Rating gain/loss: 14.9
Type rating: 1420.8  Rating gain/loss: 24.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 West Coast Grand Challange League 2024 (HS Champions) 2024/10/26 2024/10/26 West Coast (WCU) Rapid 20 0.47 5 5 4.0 1407.7 1420.8 Analysis
5 Pedro Booyse Top Schools Championships 2024 (U18) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 6 6 1.5 1438.0 1365.0 Analysis
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
31 West Coast Grand Challange League 2024 (HS Champions) 2024/10/26 2024/10/26 West Coast (WCU) Rapid 20 0.47 5 5 4.0 1407.7 1420.8 Analysis
30 Pedro Booyse Top Schools Championships 2024 (U18) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 6 6 1.5 1438.0 1365.0 Analysis
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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 31 17 2 12 18.0 58.1 68.5 1327.9 1396.4
White 15 10 1 4 10.5 70.0 170.0 1262.5 1432.5
Black 16 7 1 8 7.5 46.9 -26.6 1389.2 1362.6
Standard All 12 3 2 7 4.0 33.3 -141.7 1411.9 1270.3
White 6 2 1 3 2.5 41.7 -70.8 1372.0 1301.2
Black 6 1 1 4 1.5 25.0 -212.5 1451.9 1239.4
Rapid All 19 14 0 5 14.0 73.7 201.3 1274.8 1476.1
White 9 8 0 1 8.0 88.9 330.6 1189.6 1520.1
Black 10 6 0 4 6.0 60.0 85.0 1351.5 1436.5
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 169 103 6 60 106.0 62.7 108.1 1232.8 1341.0
White 87 57 3 27 58.5 67.2 146.6 1206.9 1353.4
Black 82 46 3 33 47.5 57.9 67.4 1260.4 1327.8
Standard All 85 45 5 35 47.5 55.9 50.0 1237.5 1287.5
White 43 26 2 15 27.0 62.8 108.7 1205.8 1314.6
Black 42 19 3 20 20.5 48.8 -10.1 1269.9 1259.8
Rapid All 84 58 1 25 58.5 69.6 167.0 1228.1 1395.1
White 44 31 1 12 31.5 71.6 183.5 1207.9 1391.4
Black 40 27 0 13 27.0 67.5 148.8 1250.4 1399.1
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) 11 1.0 1 0 10 9.1 1320.8 -347.7 973.0 View list
2 1060099677 Njokweni, L (Llyabona) 7 1.0 1 0 6 14.3 1314.7 -303.6 1011.1 View list
3 108077754 Opperman, M (Matthew) 6 1.0 1 0 5 16.7 1324.4 -283.3 1041.0 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 1060138388 Hendricks, G (Guevante) 3 2.5 2 1 0 83.3 1453.8 283.3 1737.1 View list
9 108090548 Lewaks, S (Shaundre) 3 2.0 2 0 1 66.7 1197.4 141.7 1339.0 View list
10 1080109625 Boks, L (Li-Thann) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
11 1070149726 De Meillon, K (Kian) 2 2.0 2 0 0 100.0 1383.8 425.0 1808.8 View list
12 1070117542 Farao, P (Pharel) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
13 1070100543 Kearns, R (Ray) 2 2.0 2 0 0 100.0 1168.3 425.0 1593.3 View list
14 1060110180 Klein, C (Calvin) 2 2.0 2 0 0 100.0 1198.5 425.0 1623.5 View list
15 1060110582 Koegelenberg, D (Daniel) 2 2.0 2 0 0 100.0 1395.3 425.0 1820.3 View list
16 1070110182 Maarman, R (Royaldhino) 2 2.0 2 0 0 100.0 1212.3 425.0 1637.3 View list
17 1080096285 Martins, M (Matthew) 2 2.0 2 0 0 100.0 1142.8 425.0 1567.8 View list
18 106077632 Visser, J (Jp) 2 2.0 2 0 0 100.0 1322.0 425.0 1747.0 View list
19 106066234 Fillis, J (Jared) 2 1.0 1 0 1 50.0 1198.5 0.0 1198.5 View list
20 107087100 Knoesen, Z (Zichri) 2 0.5 0 1 1 25.0 974.3 -212.5 761.8 View list