Player Page

De Beer, J (Janka)
Dob: 2005/10/24 (U20)
Gender: Female
Chess SA id: 205067320
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/06/17 (448 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 rating1447.0
Current Weighted rating1440.7
Current Weighted performance1224.9
Current official/published rating (highest between Raw, WR and WP)1447.0
Current highest rating achieved1447.0
Current floor (min rating allowed)947.0
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)±116.6
Current Raw change used (final)0.0
Projected new Raw rating1447.0
Projected new Weighed rating1326.7
Projected new Weighted performance1224.9
Projected new final Raw rating (if new WP > new Raw)1447.0
Projected new highest rating1447.0
Projected new floor947.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1447.0
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 rating1444.2
Current Weighted rating1437.0
Current Weighted performance1224.9
Current official/published rating (highest between Raw, WR and WP)1444.2
Current highest rating achieved1444.2
Current floor (min rating allowed)944.2
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)±117.1
Current Raw change used (final)0.0
Projected new Raw rating1444.2
Projected new Weighed rating1323.4
Projected new Weighted performance1224.9
Projected new final Raw rating (if new WP > new Raw)1444.2
Projected new highest rating1444.2
Projected new floor944.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1444.2
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 rating971.0
Current Weighted rating891.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)971.0
Current highest rating achieved971.0
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)±229.8
Current Raw change used (final)0.0
Projected new Raw rating971.0
Projected new Weighed rating823.5
Projected new Weighted performance102.7
Projected new final Raw rating (if new WP > new Raw)971.0
Projected new highest rating971.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)971.0
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 rating696.4
Current Weighted rating696.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)696.4
Current highest rating achieved696.4
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)±339.8
Current Raw change used (final)0.0
Projected new Raw rating696.4
Projected new Weighed rating640.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating696.4
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)696.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
70 Ekurhuleni Chess Trial 3 2023 (U18) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1401.8 1394.3 Analysis
69 2023 South African Junior Closed Chess Championships (U18 Girls) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 8 4.0 1398.9 1386.3 Analysis
68 Ekhuruleni Chess Trials 1 2023 (Open) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1400.0 1386.9 Analysis
67 2022 South African Junior Team Chess Championships (U14-U18 Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 4.5 1328.6 1316.2 Analysis
66 Chess Power House 2nd RR 2022 (C) 2022/08/20 2022/08/21 Johannesburg Metro (GJM) Standard 90 0.94 5 5 1.0 1412.5 1412.2 Analysis
65 UJ Fundraising Tournament 2022 (A) 2022/08/13 2022/08/13 Johannesburg Metro (GJM) Standard 62 0.84 5 5 0.5 1412.5 1412.2 Analysis
64 2022 Jacaranda Round Robin (D) 2022/07/30 2022/07/30 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1384.7 1381.2 Analysis
63 2022 African Youth Chess Championships 2022/07/03 2022/07/09 Zambia (ZAM) Standard 150 1.00 9 9 5.0 1384.7 1381.2 Analysis
62 2022 Blou Bul Open (B) 2022/06/25 2022/06/26 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1407.3 1403.0 Analysis
61 Ekurhuleni-North Schools Finals Indiv 2022 (U18 Girls) 2022/05/14 2022/05/14 Ekurhuleni (GE) Standard 60 0.83 5 5 4.5 1323.7 1321.5 Analysis
60 Ekurhuleni Trials 1 2022 (U18) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 5 3.5 1301.1 1291.6 Analysis
59 South African Junior Closed Chess Championships 2022 (U18 Girls) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 10 4.0 1301.1 1291.6 Analysis
58 Piet Robertse 2022 (B) 2022/02/05 2022/02/05 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1296.0 1283.7 Analysis
57 Ekurhuleni Chess Open 2022 (A) 2022/01/07 2022/01/09 Ekurhuleni (GE) Standard 90 0.94 7 7 3.0 1293.0 1274.7 Analysis
56 Ekurhuleni Trials (3) 2021 (U18+U20) 2021/11/06 2021/11/06 Ekurhuleni (GE) Standard 62 0.84 5 5 2.0 1316.0 1298.8 Analysis
55 JMC Everest 2021 (B) 2021/10/30 2021/10/30 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1336.0 1324.7 Analysis
54 2021 Chris Greyling Open Tournament (B) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1392.8 1393.1 Analysis
53 Ekurhuleni Chess Chessa Open 2021 (B) 2021/03/27 2021/03/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1373.1 1367.9 Analysis
52 2021 Registration Tournament (B) 2021/03/13 2021/03/13 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1373.1 1367.9 Analysis
51 Ekurhuleni Chess Kempton Park Open 2020 (B) 2020/11/21 2020/11/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1349.2 1339.1 Analysis
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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 382 192 38 152 211.0 55.2 44.5 1167.5 1212.0
White 194 96 22 76 107.0 55.2 43.8 1177.9 1221.7
Black 188 96 16 76 104.0 55.3 45.2 1156.7 1201.9
Standard All 376 188 38 150 207.0 55.1 43.0 1169.0 1212.0
White 191 95 22 74 106.0 55.5 46.7 1178.1 1224.8
Black 185 93 16 76 101.0 54.6 39.1 1159.7 1198.7
Rapid All 6 4 0 2 4.0 66.7 141.7 1069.7 1211.4
White 3 1 0 2 1.0 33.3 -141.7 1165.0 1023.3
Black 3 3 0 0 3.0 100.0 425.0 974.4 1399.4
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 205079715 Evans, R (Robyn) 6 4.0 4 0 2 66.7 1152.5 141.7 1294.2 View list
2 207092830 Netshimbupfe, W (Wanga) 4 2.5 2 1 1 62.5 1170.8 106.3 1277.0 View list
3 211085191 Naidoo, K (Kajol) 4 2.0 2 0 2 50.0 1354.0 0.0 1354.0 View list
4 206091525 Nel, H (Hayley) 4 1.5 1 1 2 37.5 1281.2 -106.3 1175.0 View list
5 105059135 Greyling, S (Schalk) 3 3.0 3 0 0 100.0 918.5 425.0 1343.5 View list
6 105085039 Hanekom, D (Dylan) 3 3.0 3 0 0 100.0 1130.2 425.0 1555.2 View list
7 205081243 Riba, KK (Khanyisile Kgaogelo) 3 3.0 3 0 0 100.0 1012.4 425.0 1437.4 View list
8 105054573 Pienaar, S (Schalk) 3 2.0 2 0 1 66.7 1173.9 141.7 1315.6 View list
9 1100103439 Mungal, E (Ethan) 3 1.5 1 1 1 50.0 1302.5 0.0 1302.5 View list
10 205042537 Weideman, K (Kayleigh) 3 1.5 1 1 1 50.0 1069.5 0.0 1069.5 View list
11 203010232 Gardiner, N (Noa) 3 1.0 1 0 2 33.3 1360.6 -141.7 1219.0 View list
12 105053198 Masemeni, K (Keabetswe) 3 1.0 1 0 2 33.3 934.0 -141.7 792.3 View list
13 205039930 Van Heerden, M (Mia) 3 0.5 0 1 2 16.7 1058.7 -283.3 775.4 View list
14 205014626 Joubert, N (Natasha) 3 0.0 0 0 3 0.0 1205.5 -425.0 780.5 View list
15 207085410 Le Roux, C (Claire) 3 0.0 0 0 3 0.0 1249.0 -425.0 824.0 View list
16 105066120 Wallace, A (Aiden) 3 0.0 0 0 3 0.0 1034.1 -425.0 609.1 View list
17 203088901 Kubheka, Z (Zanothando) 2 2.0 2 0 0 100.0 1171.2 425.0 1596.2 View list
18 107088031 Lewis, J (Jacques) 2 2.0 2 0 0 100.0 740.6 425.0 1165.7 View list
19 2060133808 Mafinya, T (Thama) 2 2.0 2 0 0 100.0 1350.0 425.0 1775.0 View list
20 1060099266 Myaka, M (Mazwi) 2 2.0 2 0 0 100.0 1137.3 425.0 1562.3 View list