Player Page

De Klerk, J (Jason)
Dob: 2009/11/11 (U16)
Gender: Male
Chess SA id: 1090096276
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/06/03 (407 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 rating1270.6
Current Weighted rating1276.4
Current Weighted performance1005.2
Current official/published rating (highest between Raw, WR and WP)1276.4
Current highest rating achieved1329.4
Current floor (min rating allowed)829.4
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)±149.9
Current Raw change used (final)0.0
Projected new Raw rating1270.6
Projected new Weighed rating1173.8
Projected new Weighted performance1005.2
Projected new final Raw rating (if new WP > new Raw)1270.6
Projected new highest rating1329.4
Projected new floor829.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1270.6
Projected effective change (new Official - current Official)-5.8
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 rating1185.7
Current Weighted rating1194.6
Current Weighted performance646.8
Current official/published rating (highest between Raw, WR and WP)1194.6
Current highest rating achieved1285.7
Current floor (min rating allowed)785.7
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)±169.2
Current Raw change used (final)0.0
Projected new Raw rating1185.7
Projected new Weighed rating1098.1
Projected new Weighted performance646.8
Projected new final Raw rating (if new WP > new Raw)1185.7
Projected new highest rating1285.7
Projected new floor785.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1185.7
Projected effective change (new Official - current Official)-8.9
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 rating1356.7
Current Weighted rating1345.3
Current Weighted performance1102.3
Current official/published rating (highest between Raw, WR and WP)1356.7
Current highest rating achieved1356.7
Current floor (min rating allowed)856.7
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)±132.6
Current Raw change used (final)0.0
Projected new Raw rating1356.7
Projected new Weighed rating1239.0
Projected new Weighted performance1102.3
Projected new final Raw rating (if new WP > new Raw)1356.7
Projected new highest rating1356.7
Projected new floor856.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1356.7
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 rating1094.4
Current Weighted rating1100.1
Current Weighted performance580.4
Current official/published rating (highest between Raw, WR and WP)1100.1
Current highest rating achieved1178.4
Current floor (min rating allowed)678.4
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)±192.7
Current Raw change used (final)0.0
Projected new Raw rating1094.4
Projected new Weighed rating1011.3
Projected new Weighted performance580.4
Projected new final Raw rating (if new WP > new Raw)1094.4
Projected new highest rating1178.4
Projected new floor678.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1094.4
Projected effective change (new Official - current Official)-5.7
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
27 West Coast Open 2023 (Elite) 2023/05/20 2023/06/03 West Coast (WCU) Standard 65 0.85 5 5 1.0 1329.4 1234.3 Analysis
26 St Helenabaai Open 2023 (Open) 2023/05/13 2023/05/13 West Coast (WCU) Rapid 30 0.60 5 5 4.5 1290.5 1280.7 Analysis
25 WCCI Open 2023 (Blitz) 2023/04/29 2023/04/29 West Coast (WCU) Blitz 5 0.18 5 5 1.0 1298.0 1142.0 Analysis
24 Deep Blue Chess Club 2022 (Open) 2022/08/20 2022/08/20 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1278.6 1253.0 Analysis
23 Onder-Weskus Top Skole 2022 (O13 Seuns) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1266.1 1233.2 Analysis
22 West Coast Open 2021 (Open) 2021/06/26 2021/06/26 West Coast (WCU) Rapid 28 0.58 6 6 3.0 1273.6 1243.3 Analysis
21 Lower West Coast Schools Chess Prestige 2021 (U13 Boys) 2021/05/15 2021/05/15 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1263.4 1222.4 Analysis
20 West Coast Schools Prestige 2020 (U11 Boys) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1257.1 1212.3 Analysis
19 Onder Weskus Prestige 2020 (U11 Boys) 2020/02/15 2020/02/22 West Coast (WCU) Standard 60 0.83 6 6 4.0 1237.1 1212.3 Analysis
18 Back to School Rapid 2020 (Boys) 2020/02/01 2020/02/01 West Coast (WCU) Rapid 20 0.47 5 5 3.0 1237.1 1201.5 Analysis
17 West Coast Youth Open 2019 (C) 2019/11/30 2019/11/30 West Coast (WCU) Standard 60 0.83 5 5 4.0 1194.9 1160.8 Analysis
16 West Coast Youth Open Langebaanweg Club Blitz 2019 2019/11/29 2019/11/29 West Coast (WCU) Blitz 5 0.18 5 4 2.0 1194.9 1141.2 Analysis
15 West Coast Club Champs 2019 (A) 2019/09/13 2019/09/14 West Coast (WCU) Standard 70 0.87 5 5 1.0 1248.1 1232.1 Analysis
14 Weskus Topskole 2019 (U11) 2019/07/20 2019/07/20 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1260.6 1245.4 Analysis
13 Weskus Mall Rapid 2019 (U10) 2019/07/15 2019/07/15 West Coast (WCU) Rapid 10 0.29 5 4 2.0 1261.5 1253.7 Analysis
12 Western Cape Schools Individuals 2019 (U11 Boys) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 6 2.5 1295.9 1285.7 Analysis
11 West Coast Open 2019 (C) 2019/04/27 2019/04/27 West Coast (WCU) Standard 90 0.94 5 5 3.0 1288.1 1280.7 Analysis
10 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O11 Seuns) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 4.0 1288.1 1280.7 Analysis
9 Onder-Weskus Skole Proewe 2019 (O11 Seuns) 2019/02/16 2019/02/23 West Coast (WCU) Rapid 30 0.60 8 8 5.0 1234.8 1258.4 Analysis
8 St Helenabaai Open 2019 (U10) 2019/02/09 2019/02/09 West Coast (WCU) Standard 60 0.83 5 5 4.0 1234.8 1235.3 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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
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 148 79 5 64 81.5 55.1 43.1 1209.9 1253.0
White 74 40 3 31 41.5 56.1 51.7 1187.6 1239.3
Black 74 39 2 33 40.0 54.1 34.5 1232.1 1266.6
Standard All 54 30 1 23 30.5 56.5 55.1 1194.3 1249.3
White 27 13 1 13 13.5 50.0 0.0 1179.6 1179.6
Black 27 17 0 10 17.0 63.0 110.2 1208.9 1319.1
Rapid All 63 37 3 23 38.5 61.1 94.4 1220.4 1314.8
White 32 21 2 9 22.0 68.8 159.4 1196.5 1355.8
Black 31 16 1 14 16.5 53.2 27.4 1245.1 1272.5
Blitz All 31 12 1 18 12.5 40.3 -82.3 1215.8 1133.6
White 15 6 0 9 6.0 40.0 -85.0 1183.3 1098.3
Black 16 6 1 9 6.5 40.6 -79.7 1246.3 1166.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 109090543 Visagie, C (Christopher) 8 1.0 1 0 7 12.5 1240.5 -318.8 921.8 View list
2 1090096311 Schroeder, L (Liam) 7 0.5 0 1 6 7.1 1249.3 -364.3 885.1 View list
3 1090096312 Lu, DTX (Daniel Ting Xu) 5 1.0 1 0 4 20.0 1250.4 -255.0 995.4 View list
4 1100131669 Burger, J (Jalem) 2 2.0 2 0 0 100.0 1247.1 425.0 1672.1 View list
5 108082252 Brandt, A (Ashwin) 2 2.0 2 0 0 100.0 1234.7 425.0 1659.7 View list
6 2100115883 Bester, K (Kericheni) 2 2.0 2 0 0 100.0 1260.6 425.0 1685.6 View list
7 1060130313 Davids, C (Cleverton) 2 2.0 2 0 0 100.0 1260.3 425.0 1685.3 View list
8 1090117534 Jannetjies, Z (Zion) 2 2.0 2 0 0 100.0 1260.6 425.0 1685.6 View list
9 1080109596 Mabaso, S (Sicelo) 2 2.0 2 0 0 100.0 1216.0 425.0 1641.0 View list
10 2090096275 Farmer, J (Jaydean) 2 1.5 1 1 0 75.0 1276.0 212.5 1488.5 View list
11 108090542 Van Wyk, C (Christiaan) 2 1.5 1 1 0 75.0 1292.0 212.5 1504.5 View list
12 206055118 Ellman, A (Anne-Belle) 2 1.0 1 0 1 50.0 1212.8 0.0 1212.8 View list
13 1060099677 Njokweni, L (Llyabona) 2 1.0 1 0 1 50.0 1230.6 0.0 1230.6 View list
14 1090096256 Ocks, K (Keano) 2 1.0 1 0 1 50.0 1228.2 0.0 1228.2 View list
15 1070100545 Williams, I (Ivan) 2 1.0 1 0 1 50.0 1238.0 0.0 1238.0 View list
16 208078018 Kilroe-Smith, G (Gabriella) 2 0.0 0 0 2 0.0 1260.6 -425.0 835.6 View list
17 108090548 Lewaks, S (Shaundre) 2 0.0 0 0 2 0.0 1261.0 -425.0 836.0 View list
18 108077754 Opperman, M (Matthew) 2 0.0 0 0 2 0.0 1261.4 -425.0 836.4 View list
19 208078559 Van Zyl, M (Mea) 2 0.0 0 0 2 0.0 1301.5 -425.0 876.5 View list
20 1050112303 Abrahams, Z (Zayron) 1 1.0 1 0 0 100.0 1288.1 425.0 1713.1 View list