Player Page

Willemse, S (Schalk)
Dob: 2012/02/13 (U14)
Gender: Male
Chess SA id: 1120157843
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (47 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 rating1371.7
Current Weighted rating1328.4
Current Weighted performance1225.6
Current official/published rating (highest between Raw, WR and WP)1371.7
Current highest rating achieved1421.4
Current floor (min rating allowed)921.4
Current K-factor32
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)±129.8
Current Raw change used (final)0.0
Projected new Raw rating1371.7
Projected new Weighed rating1225.4
Projected new Weighted performance1225.6
Projected new final Raw rating (if new WP > new Raw)1371.7
Projected new highest rating1421.4
Projected new floor921.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1371.7
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 rating1414.4
Current Weighted rating1307.5
Current Weighted performance1399.2
Current official/published rating (highest between Raw, WR and WP)1414.4
Current highest rating achieved1414.4
Current floor (min rating allowed)914.4
Current K-factor32
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)±122.2
Current Raw change used (final)0.0
Projected new Raw rating1414.4
Projected new Weighed rating1205.8
Projected new Weighted performance1399.2
Projected new final Raw rating (if new WP > new Raw)1414.4
Projected new highest rating1414.4
Projected new floor914.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1414.4
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 rating1377.9
Current Weighted rating1335.0
Current Weighted performance1262.7
Current official/published rating (highest between Raw, WR and WP)1377.9
Current highest rating achieved1490.6
Current floor (min rating allowed)990.6
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)±128.7
Current Raw change used (final)0.0
Projected new Raw rating1377.9
Projected new Weighed rating1232.0
Projected new Weighted performance1262.7
Projected new final Raw rating (if new WP > new Raw)1377.9
Projected new highest rating1490.6
Projected new floor990.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1377.9
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 rating1137.7
Current Weighted rating1181.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1181.3
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)±181.2
Current Raw change used (final)0.0
Projected new Raw rating1137.7
Projected new Weighed rating1086.1
Projected new Weighted performance409.7
Projected new final Raw rating (if new WP > new Raw)1137.7
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)1137.7
Projected effective change (new Official - current Official)-43.6
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 Basil Ellman Annual Rapid 2024 (Elite) 2024/06/08 2024/06/08 West Coast (WCU) Rapid 28 0.58 5 5 0.0 1421.4 1468.8 Analysis
8 West Coast & Mykonos Open 2024 (U14) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 5 4.0 1395.4 1322.8 Analysis
7 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1395.4 1322.8 Analysis
6 Deep Blue Open 2024 (Advanced) 2024/04/13 2024/04/13 West Coast (WCU) Rapid 35 0.66 5 5 3.0 1402.6 1490.6 Analysis
5 Western Cape Inter Region Cup 2024 (U14 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.0 1376.9 1322.8 Analysis
4 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 2.0 1376.9 1200.0 Analysis
3 West Coast Schools Chess Prestige Championships 2024 (U13 Boys) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 4.5 1376.9 1414.7 Analysis
2 Lower West Coast Schools Chess Prestige 2024 (U13 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1337.2 1307.3 Analysis
1 Longacres Top 10 Battle January 2024 2024/01/27 2024/01/27 West Coast (WCU) Rapid 12 0.33 5 5 3.0 1341.8 1315.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 Basil Ellman Annual Rapid 2024 (Elite) 2024/06/08 2024/06/08 West Coast (WCU) Rapid 28 0.58 5 5 0.0 1421.4 1468.8 Analysis
13 West Coast & Mykonos Open 2024 (U14) 2024/05/18 2024/05/18 West Coast (WCU) Standard 60 0.83 5 5 4.0 1395.4 1322.8 Analysis
12 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1395.4 1322.8 Analysis
11 Deep Blue Open 2024 (Advanced) 2024/04/13 2024/04/13 West Coast (WCU) Rapid 35 0.66 5 5 3.0 1402.6 1490.6 Analysis
10 Western Cape Inter Region Cup 2024 (U14 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.0 1376.9 1322.8 Analysis
9 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 2.0 1376.9 1200.0 Analysis
8 West Coast Schools Chess Prestige Championships 2024 (U13 Boys) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 4.5 1376.9 1414.7 Analysis
7 Lower West Coast Schools Chess Prestige 2024 (U13 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1337.2 1307.3 Analysis
6 Longacres Top 10 Battle January 2024 2024/01/27 2024/01/27 West Coast (WCU) Rapid 12 0.33 5 5 3.0 1341.8 1315.6 Analysis
5 Basil Ellman Rapid 2023 (B) 2023/09/30 2023/09/30 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1334.7 1268.4 Analysis
4 Deep Blue Open 2023 (Juniors) 2023/09/16 2023/09/16 West Coast (WCU) Rapid 28 0.58 5 5 4.0 1334.7 1268.4 Analysis
3 CW Top Schools 2023 (U12) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 5 4.0 1287.2 1258.0 Analysis
2 Pedro Booyse Top Schools 2023 (U13) 2023/07/29 2023/07/29 West Coast (WCU) Standard 60 0.83 5 5 4.0 1241.5 1200.0 Analysis
1 Lower West Coast Top Schools Championships 2023 (U13) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 48 26 1 21 26.5 55.2 44.3 1339.1 1383.3
White 25 15 0 10 15.0 60.0 85.0 1349.7 1434.7
Black 23 11 1 11 11.5 50.0 0.0 1327.5 1327.5
Standard All 16 9 0 7 9.0 56.3 53.1 1381.6 1434.8
White 8 4 0 4 4.0 50.0 0.0 1398.8 1398.8
Black 8 5 0 3 5.0 62.5 106.3 1364.5 1470.7
Rapid All 25 15 1 9 15.5 62.0 102.0 1276.2 1378.2
White 13 10 0 3 10.0 76.9 228.8 1278.9 1507.7
Black 12 5 1 6 5.5 45.8 -35.4 1273.3 1237.8
Blitz All 7 2 0 5 2.0 28.6 -182.1 1466.3 1284.1
White 4 1 0 3 1.0 25.0 -212.5 1481.8 1269.3
Black 3 1 0 2 1.0 33.3 -141.7 1445.7 1304.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 72 44 2 26 45.0 62.5 106.3 1307.2 1413.4
White 37 24 1 12 24.5 66.2 137.8 1324.0 1461.8
Black 35 20 1 14 20.5 58.6 72.9 1289.4 1362.3
Standard All 26 17 0 9 17.0 65.4 130.8 1337.7 1468.4
White 12 7 0 5 7.0 58.3 70.8 1374.3 1445.1
Black 14 10 0 4 10.0 71.4 182.1 1306.3 1488.4
Rapid All 39 25 2 12 26.0 66.7 141.7 1258.3 1400.0
White 21 16 1 4 16.5 78.6 242.9 1265.2 1508.0
Black 18 9 1 8 9.5 52.8 23.6 1250.3 1273.9
Blitz All 7 2 0 5 2.0 28.6 -182.1 1466.3 1284.1
White 4 1 0 3 1.0 25.0 -212.5 1481.8 1269.3
Black 3 1 0 2 1.0 33.3 -141.7 1445.7 1304.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2130139089 Swartz, A (Ashan) 2 2.0 2 0 0 100.0 1288.1 425.0 1713.1 View list
2 1110139048 Siebritz, Y (Yul) 2 0.5 0 1 1 25.0 1399.2 -212.5 1186.7 View list
3 2120116532 Cornforth, K (Kayleigh) 2 0.0 0 0 2 0.0 1332.1 -425.0 907.1 View list
4 1090191670 Plint, G (Gordon) 2 0.0 0 0 2 0.0 1372.2 -425.0 947.2 View list
5 1100192698 Sedeman, A (Aiden) 2 0.0 0 0 2 0.0 1412.0 -425.0 987.0 View list
6 1130139060 Benjamin, E (Entwan) 1 1.0 1 0 0 100.0 1334.7 425.0 1759.7 View list
7 1080148003 Baartman, J (Jason) 1 1.0 1 0 0 100.0 1402.6 425.0 1827.6 View list
8 2140134825 Avontuur, A (Al-Meeche) 1 1.0 1 0 0 100.0 1376.9 425.0 1801.9 View list
9 1110157832 Adams, T (Tyler) 1 1.0 1 0 0 100.0 1337.2 425.0 1762.2 View list
10 1130134375 Copley, M (Murray) 1 1.0 1 0 0 100.0 1287.2 425.0 1712.2 View list
11 1150150376 Erasmus, D (Daniel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1120139039 Engelbrecht, V (Vinchenzo) 1 1.0 1 0 0 100.0 1376.9 425.0 1801.9 View list
13 1120154550 Engelbrecht, S (Shaquille) 1 1.0 1 0 0 100.0 1395.4 425.0 1820.4 View list
14 209077302 Ellman, E (Elle-Marie) 1 1.0 1 0 0 100.0 1402.6 425.0 1827.6 View list
15 1100157836 Elliott, M (Matayo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1120192651 Eksteen, T (Theunis) 1 1.0 1 0 0 100.0 1395.4 425.0 1820.4 View list
17 1120110490 Dirks, R (Ryan) 1 1.0 1 0 0 100.0 1241.5 425.0 1666.5 View list
18 2120150143 De Silva, A (Alyssa) 1 1.0 1 0 0 100.0 1287.2 425.0 1712.2 View list
19 1120192648 Davids, C (Craig) 1 1.0 1 0 0 100.0 1337.2 425.0 1762.2 View list
20 1110099722 Booysen, C (Chadlin) 1 1.0 1 0 0 100.0 1376.9 425.0 1801.9 View list