Player Page

Jaftha, J (Jeyhlin)
Dob: 2006/06/22 (U20)
Gender: Male
Chess SA id: 106064704
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (23 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 rating1393.9
Curent Weighted rating1406.9
Curent Weighted performance1326.9
Current official/published rating (highest between Raw, WR and WP)1406.9
Current floor (min rating allowed)925.4
Current highest rating achieved1425.4
Current K-factor32
Games played this month6
Score (S)5.5
Expected score (We)4.09
Difference (S-We)1.41
Current Raw change (no limits, including tournament time weight)24.4
Current min/max change allowed (with limits)±125.8
Current Raw change used (final)24.4
Projected new Raw rating1418.3
Projected new Weighed rating1408.8
Projected new Weighted performance1326.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1418.3
Projected effective change (new Official - current Official)+11.4
Projected new highest rating1425.4
Projected new floor925.4
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 rating1370.6
Curent Weighted rating1383.2
Curent Weighted performance1312.0
Current official/published rating (highest between Raw, WR and WP)1383.2
Current floor (min rating allowed)911.9
Current highest rating achieved1411.9
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)±130.0
Current Raw change used (final)0.0
Projected new Raw rating1370.6
Projected new Weighed rating1382.9
Projected new Weighted performance1312.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1382.9
Projected effective change (new Official - current Official)-0.3
Projected new highest rating1411.9
Projected new floor911.9
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 rating1303.5
Curent Weighted rating1250.6
Curent Weighted performance1212.1
Current official/published rating (highest between Raw, WR and WP)1303.5
Current floor (min rating allowed)803.5
Current highest rating achieved1303.5
Current K-factor36
Games played this month6
Score (S)5.5
Expected score (We)3.96
Difference (S-We)1.54
Current Raw change (no limits, including tournament time weight)55.4
Current min/max change allowed (with limits)±143.1
Current Raw change used (final)55.4
Projected new Raw rating1358.9
Projected new Weighed rating1263.7
Projected new Weighted performance1212.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1358.9
Projected effective change (new Official - current Official)+55.4
Projected new highest rating1358.9
Projected new floor858.9
Projected new K-facor36
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 rating1213.5
Curent Weighted rating859.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1213.5
Current floor (min rating allowed)803.5
Current highest rating achieved1213.5
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)±162.7
Current Raw change used (final)0.0
Projected new Raw rating1213.5
Projected new Weighed rating894.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1213.5
Projected new floor803.5
Projected new K-facor36
Tournaments
Tournament: Cape Town Junior League - Qualifier 2 2024 (U18)
Start: 2024/04/20  End: 2024/04/20  Host: WCT  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 6
Games: 6  Score: 5.5
Main rating: 1393.9  Rating gain/loss: 24.4
Type rating: 1303.5  Rating gain/loss: 55.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Cape Town Junior League - Qualifier 2 2024 (U18) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 5.5 1393.9 1303.5 Analysis
4 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1390.8 1297.0 Analysis
3 Cape Town Open Chess Championship 2024 (Advanced) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 2.0 1412.4 1387.6 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1412.4 1387.6 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1425.4 1396.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
45 Cape Town Junior League - Qualifier 2 2024 (U18) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 5.5 1393.9 1303.5 Analysis
44 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1390.8 1297.0 Analysis
43 Cape Town Open Chess Championship 2024 (Advanced) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 2.0 1412.4 1387.6 Analysis
42 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1412.4 1387.6 Analysis
41 CT District East Schools Chess Individuals Trails 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1425.4 1396.9 Analysis
40 CW Top Schools 2023 (Advanced) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 6 3.0 1396.8 1362.0 Analysis
39 CT Metro District East Top Schools Chess 2023 (U17+U19 Mixed) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1404.5 1297.5 Analysis
38 Curro Durbanville Chess Open Rapid 2023 (Advanced) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1404.5 1297.5 Analysis
37 GPCA Rapid 2023 (Advanced) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 4.5 1395.7 1191.4 Analysis
36 Hermanus Rapid 2023 (B) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 4.0 1396.1 1092.6 Analysis
35 Western Cape HS Individuals 2023 (U17 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1396.1 1394.0 Analysis
34 Cape Town Open 2023 (Advanced) 2023/03/24 2023/03/26 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1394.6 1394.3 Analysis
33 Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1394.6 1394.3 Analysis
32 District East Schools Chess Individual Trials 2023 (U17 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1382.6 1380.5 Analysis
31 Kraaifontein Open 2022 (Advanced) 2022/12/16 2022/12/18 Cape Town (WCT) Standard 90 0.94 6 6 2.0 1408.2 1411.9 Analysis
30 Metro Rapid 2022 (U18 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 4 4 2.0 1337.5 1054.2 Analysis
29 Western Cape Closed Championship 2022 (Prestige) 2022/09/24 2022/09/25 Cape Winelands (WCW) Standard 70 0.87 6 6 3.0 1321.4 1312.2 Analysis
28 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 1 0.5 1337.5 1331.6 Analysis
27 2022 Western Province Club League (C) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 8 7.0 1337.5 1331.6 Analysis
26 South African Open 2022 (B) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 5.5 1332.4 1301.0 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 29 14 6 9 17.0 58.6 73.3 1342.4 1415.6
White 15 9 1 5 9.5 63.3 113.3 1317.5 1430.9
Black 14 5 5 4 7.5 53.6 30.4 1369.0 1399.3
Standard All 17 6 5 6 8.5 50.0 0.0 1353.1 1353.1
White 9 5 0 4 5.0 55.6 47.2 1348.0 1395.3
Black 8 1 5 2 3.5 43.8 -53.1 1358.8 1305.7
Rapid All 12 8 1 3 8.5 70.8 177.1 1327.1 1504.2
White 6 4 1 1 4.5 75.0 212.5 1271.8 1484.3
Black 6 4 0 2 4.0 66.7 141.7 1382.5 1524.2
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 261 119 49 93 143.5 55.0 42.3 1307.7 1350.0
White 130 57 24 49 69.0 53.1 26.2 1307.2 1333.4
Black 131 62 25 44 74.5 56.9 58.4 1308.2 1366.6
Standard All 183 82 39 62 101.5 55.5 46.4 1306.3 1352.7
White 92 39 18 35 48.0 52.2 18.5 1309.4 1327.9
Black 91 43 21 27 53.5 58.8 74.7 1303.1 1377.8
Rapid All 71 34 10 27 39.0 54.9 41.9 1326.7 1368.6
White 34 17 6 11 20.0 58.8 75.0 1323.4 1398.4
Black 37 17 4 16 19.0 51.4 11.5 1329.8 1341.3
Blitz All 7 3 0 4 3.0 42.9 -60.7 1151.7 1091.0
White 4 1 0 3 1.0 25.0 -212.5 1118.4 905.9
Black 3 2 0 1 2.0 66.7 141.7 1196.1 1337.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108087782 Jonkers, T (Tristan) 4 2.5 2 1 1 62.5 1356.3 106.3 1462.5 View list
2 1060108786 Blauw, S (Siyamthanda) 4 0.0 0 0 4 0.0 1399.4 -425.0 974.4 View list
3 107087105 Brink, W (Wihan) 3 2.0 2 0 1 66.7 1182.5 141.7 1324.1 View list
4 108083939 Rosenberg, W (Wagheed) 3 1.0 0 2 1 33.3 1380.4 -141.7 1238.8 View list
5 1060096732 Van Tonder, W (Wium) 3 1.0 0 2 1 33.3 1371.4 -141.7 1229.7 View list
6 1060097568 Mizen, D (Daniel) 2 2.0 2 0 0 100.0 1374.2 425.0 1799.2 View list
7 205053638 Palmer, ZE (Zante) 2 1.5 1 1 0 75.0 1398.8 212.5 1611.3 View list
8 1080193268 Petersen-Bizaare, S (Shaqeel) 2 1.5 1 1 0 75.0 1418.9 212.5 1631.4 View list
9 1080108770 Williams, K (Kylo) 2 1.5 1 1 0 75.0 1403.2 212.5 1615.7 View list
10 1060096574 Bell, A (Ayakha) 2 1.0 1 0 1 50.0 867.6 0.0 867.6 View list
11 106065267 Becker, M (Matthew) 2 1.0 1 0 1 50.0 1248.3 0.0 1248.3 View list
12 205053625 Blows, K (Kiara) 2 1.0 1 0 1 50.0 1238.5 0.0 1238.5 View list
13 2110130686 Joya, I (Imkhita) 2 1.0 1 0 1 50.0 1397.0 0.0 1397.0 View list
14 1080108756 Masoka, A (Ayema) 2 1.0 1 0 1 50.0 1326.9 0.0 1326.9 View list
15 1100109057 Tsabola, B (Bright) 2 1.0 1 0 1 50.0 1363.5 0.0 1363.5 View list
16 2070096482 Ziegers, Z (Zaskia) 2 1.0 1 0 1 50.0 1272.7 0.0 1272.7 View list
17 1060150614 Kannemeyer, D (David) 2 1.0 0 2 0 50.0 1395.3 0.0 1395.3 View list
18 2030107204 Osborne, N (Nicole) 2 1.0 0 2 0 50.0 1337.3 0.0 1337.3 View list
19 107092100 Bomela, N (Nlantha) 2 0.5 0 1 1 25.0 1110.3 -212.5 897.8 View list
20 1120130970 Bell, L (Luke) 2 0.5 0 1 1 25.0 1360.9 -212.5 1148.4 View list