Player Page

Jacobs, E (Elsje)
Dob: 2006/09/13 (U20)
Gender: Female
Chess SA id: 2060098046
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/05/01 (17 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
Curent Raw rating1509.6
Curent Weighted rating1524.5
Curent Weighted performance1380.9
Current official/published rating (highest between Raw, WR and WP)1524.5
Current floor (min rating allowed)1055.0
Current highest rating achieved1555.0
Current K-factor32
Games played this month9
Score (S)3.5
Expected score (We)4.78
Difference (S-We)-1.28
Current Raw change (no limits, including tournament time weight)-41.0
Current min/max change allowed (with limits)±106.7
Current Raw change used (final)-41.0
Projected new Raw rating1468.6
Projected new Weighed rating1522.1
Projected new Weighted performance1380.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1522.1
Projected effective change (new Official - current Official)-2.4
Projected new highest rating1555.0
Projected new floor1055.0
Projected new K-facor32
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
Curent Raw rating1495.7
Curent Weighted rating1516.3
Curent Weighted performance1394.6
Current official/published rating (highest between Raw, WR and WP)1516.3
Current floor (min rating allowed)1051.8
Current highest rating achieved1551.8
Current K-factor32
Games played this month9
Score (S)3.5
Expected score (We)4.53
Difference (S-We)-1.03
Current Raw change (no limits, including tournament time weight)-33.0
Current min/max change allowed (with limits)±108.8
Current Raw change used (final)-33.0
Projected new Raw rating1462.7
Projected new Weighed rating1514.4
Projected new Weighted performance1394.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1514.4
Projected effective change (new Official - current Official)-1.9
Projected new highest rating1551.8
Projected new floor1051.8
Projected new K-facor32
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
Curent Raw rating1408.8
Curent Weighted rating1292.3
Curent Weighted performance954.4
Current official/published rating (highest between Raw, WR and WP)1408.8
Current floor (min rating allowed)908.8
Current highest rating achieved1408.8
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)±123.1
Current Raw change used (final)0.0
Projected new Raw rating1408.8
Projected new Weighed rating1304.3
Projected new Weighted performance954.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1408.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1408.8
Projected new floor908.8
Projected new K-facor32
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
Curent Raw rating1276.1
Curent Weighted rating1239.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1276.1
Current floor (min rating allowed)908.8
Current highest rating achieved1276.1
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)±148.8
Current Raw change used (final)0.0
Projected new Raw rating1276.1
Projected new Weighed rating1243.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1276.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1276.1
Projected new floor908.8
Projected new K-facor36
Tournaments
Tournament: South African Junior Closed Chess Championship 2024 (U18 Girls)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 3.5
Main rating: 1509.6  Rating gain/loss: -41.0
Type rating: 1495.7  Rating gain/loss: -33.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 South African Junior Closed Chess Championship 2024 (U18 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 3.5 1509.6 1495.7 Analysis
3 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1531.9 1519.1 Analysis
2 1st BC Chess Trials 2024 (U20+A) 2024/03/02 2024/03/02 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1553.1 1545.7 Analysis
1 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.5 1555.0 1551.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
45 South African Junior Closed Chess Championship 2024 (U18 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 3.5 1509.6 1495.7 Analysis
44 2nd Buffalo City Chess Trials 2024 (U20A) 2024/04/06 2024/04/06 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1531.9 1519.1 Analysis
43 1st BC Chess Trials 2024 (U20+A) 2024/03/02 2024/03/02 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1553.1 1545.7 Analysis
42 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.5 1555.0 1551.8 Analysis
41 BC Vikings Blitz Championship 2023 2023/10/05 2023/10/05 Buffalo City (EBC) Blitz 5 0.18 10 10 6.0 1554.4 1200.8 Analysis
40 BCM Chess Clubs League 2023 (Premier) 2023/09/09 2023/09/09 Buffalo City (EBC) Standard 90 0.94 5 3 2.5 1539.1 1536.4 Analysis
39 2nd BC Trials 2023 (U18-Adults) 2023/06/17 2023/06/17 Buffalo City (EBC) Rapid 20 0.47 7 7 5.0 1543.5 1209.8 Analysis
38 BC Chess Trials 1 of 5 2023 (Prestige) 2023/04/29 2023/04/29 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1452.9 1443.2 Analysis
37 2023 South African Junior Closed Chess Championships (U18 Girls) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 9 5.5 1452.9 1443.2 Analysis
36 3rd Vikings Champs 2023 (Prestige) 2023/03/25 2023/03/25 Buffalo City (EBC) Standard 60 0.83 5 5 2.5 1434.3 1420.5 Analysis
35 Master Vikings 2023 2023/02/11 2023/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 1431.6 1413.1 Analysis
34 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1431.6 1413.1 Analysis
33 2022 South African Junior Team Chess Championships (U18 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 4.5 1431.6 1406.4 Analysis
32 BC Chess Trials 5 of 5 2022 (A) 2022/06/11 2022/06/11 Buffalo City (EBC) Rapid 12 0.33 10 10 6.0 1424.0 1169.0 Analysis
31 BC Chess 4th Border Trials 2022 (A) 2022/05/21 2022/05/21 Buffalo City (EBC) Rapid 12 0.33 10 10 6.0 1410.4 1114.2 Analysis
30 South African Junior Closed Chess Championships 2022 (U16 Girls) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 11 5.5 1391.0 1388.3 Analysis
29 BC Trials 3 2022 (U18A+U20A) 2022/03/05 2022/03/05 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1381.1 1352.2 Analysis
28 Grey College Team Championship 2022 (A) 2022/02/18 2022/02/19 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1326.1 1257.9 Analysis
27 BC Trials 1 2022 (U18A+Open) 2022/02/11 2022/02/11 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 1326.1 1257.9 Analysis
26 BC Blitz Finals 2021 (A) 2021/11/07 2021/11/07 Buffalo City (EBC) Blitz 5 0.18 7 6 2.0 1317.8 1200.0 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 24 11 4 9 13.0 54.2 35.4 1392.8 1428.2
White 13 8 0 5 8.0 61.5 98.1 1385.0 1483.0
Black 11 3 4 4 5.0 45.5 -38.6 1402.0 1363.4
Standard All 24 11 4 9 13.0 54.2 35.4 1392.8 1428.2
White 13 8 0 5 8.0 61.5 98.1 1385.0 1483.0
Black 11 3 4 4 5.0 45.5 -38.6 1402.0 1363.4
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 274 129 25 120 141.5 51.6 14.0 1274.2 1288.1
White 133 70 7 56 73.5 55.3 44.7 1272.1 1316.8
Black 141 59 18 64 68.0 48.2 -15.1 1276.1 1261.1
Standard All 197 86 25 86 98.5 50.0 0.0 1257.5 1257.5
White 97 51 7 39 54.5 56.2 52.6 1250.1 1302.7
Black 100 35 18 47 44.0 44.0 -51.0 1264.7 1213.7
Rapid All 48 28 0 20 28.0 58.3 70.8 1251.8 1322.6
White 22 13 0 9 13.0 59.1 77.3 1218.0 1295.3
Black 26 15 0 11 15.0 57.7 65.4 1280.4 1345.7
Blitz All 29 15 0 14 15.0 51.7 14.7 1424.3 1439.0
White 14 6 0 8 6.0 42.9 -60.7 1509.4 1448.6
Black 15 9 0 6 9.0 60.0 85.0 1344.9 1429.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1070099423 Lin, C (Chenyi) 12 1.0 1 0 11 8.3 1254.0 -354.2 899.8 View list
2 106078250 De Villiers, E (Ethan) 7 1.5 1 1 5 21.4 1136.0 -242.9 893.2 View list
3 206044986 Wang, P-S (Pei-Shan) 7 1.0 1 0 6 14.3 1207.1 -303.6 903.5 View list
4 206044984 Qangule, MK (Mandibonge) 6 0.5 0 1 5 8.3 1041.3 -354.2 687.1 View list
5 207065272 Dove, M (Megan) 5 3.0 3 0 2 60.0 1355.4 85.0 1440.4 View list
6 189044421 Racaza, S (Sinovuyo) 5 2.0 2 0 3 40.0 1383.1 -85.0 1298.1 View list
7 1070104009 Sibanda, T (Takudzwa) 5 0.5 0 1 4 10.0 1292.6 -340.0 952.6 View list
8 105065320 Sparg, N (Nathan) 5 0.0 0 0 5 0.0 1338.8 -425.0 913.8 View list
9 1060104008 Totose, Z (Zimi) 5 0.0 0 0 5 0.0 1409.1 -425.0 984.1 View list
10 1120131139 Mabhera, J (Jedidiah) 4 3.5 3 1 0 87.5 1411.6 318.8 1730.4 View list
11 208076314 Bixa, T (Tshegofatso) 4 3.0 3 0 1 75.0 1270.6 212.5 1483.1 View list
12 207054337 Jikijela, A (Anisha) 4 2.0 2 0 2 50.0 1176.6 0.0 1176.6 View list
13 110088674 Chang, S (Samuel) 4 1.0 1 0 3 25.0 1228.1 -212.5 1015.6 View list
14 106065282 Meise, K (Keagen) 4 0.5 0 1 3 12.5 1282.3 -318.8 963.5 View list
15 1060104005 Ndlebe, A (Anda) 4 0.5 0 1 3 12.5 1254.6 -318.8 935.8 View list
16 1100100199 Botha, T (Tyler) 3 3.0 3 0 0 100.0 1394.9 425.0 1819.9 View list
17 106065267 Becker, M (Matthew) 3 2.0 2 0 1 66.7 1317.2 141.7 1458.9 View list
18 106066545 Matayo, L (Liyema) 3 2.0 1 2 0 66.7 1046.2 141.7 1187.8 View list
19 201076394 Jansen, C (Casey) 3 1.5 1 1 1 50.0 1010.8 0.0 1010.8 View list
20 2060097779 September, M (Mckenzie) 3 1.5 1 1 1 50.0 1451.2 0.0 1451.2 View list