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: 2024/05/12 (63 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 rating1417.1
Current Weighted rating1410.3
Current Weighted performance1366.6
Current official/published rating (highest between Raw, WR and WP)1417.1
Current highest rating achieved1425.4
Current floor (min rating allowed)925.4
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)±121.7
Current Raw change used (final)0.0
Projected new Raw rating1417.1
Projected new Weighed rating1298.2
Projected new Weighted performance1366.6
Projected new final Raw rating (if new WP > new Raw)1417.1
Projected new highest rating1425.4
Projected new floor925.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1417.1
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 rating1372.8
Current Weighted rating1382.7
Current Weighted performance1320.3
Current official/published rating (highest between Raw, WR and WP)1382.7
Current highest rating achieved1411.9
Current floor (min rating allowed)911.9
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)±129.6
Current Raw change used (final)0.0
Projected new Raw rating1372.8
Projected new Weighed rating1272.3
Projected new Weighted performance1320.3
Projected new final Raw rating (if new WP > new Raw)1372.8
Projected new highest rating1411.9
Projected new floor911.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1372.8
Projected effective change (new Official - current Official)-9.9
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 rating1358.9
Current Weighted rating1275.6
Current Weighted performance1367.4
Current official/published rating (highest between Raw, WR and WP)1367.4
Current highest rating achieved1358.9
Current floor (min rating allowed)858.9
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)±132.2
Current Raw change used (final)0.0
Projected new Raw rating1358.9
Projected new Weighed rating1177.8
Projected new Weighted performance1367.4
Projected new final Raw rating (if new WP > new Raw)1367.4
Projected new highest rating1367.4
Projected new floor867.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1367.4
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 rating1213.5
Current Weighted rating928.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1213.5
Current highest rating achieved1213.5
Current floor (min rating allowed)713.5
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 rating862.9
Projected new Weighted performance157.9
Projected new final Raw rating (if new WP > new Raw)1213.5
Projected new highest rating1213.5
Projected new floor713.5
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Steinitz Chess Festival 2024 (Open) 2024/05/10 2024/05/12 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1393.9 1370.6 Analysis
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
46 Steinitz Chess Festival 2024 (Open) 2024/05/10 2024/05/12 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1393.9 1370.6 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 17 8 10 21.0 60.0 85.0 1325.5 1410.5
White 18 11 2 5 12.0 66.7 141.7 1296.8 1438.5
Black 17 6 6 5 9.0 52.9 25.0 1355.9 1380.9
Standard All 23 9 7 7 12.5 54.3 37.0 1324.6 1361.6
White 12 7 1 4 7.5 62.5 106.3 1309.3 1415.6
Black 11 2 6 3 5.0 45.5 -38.6 1341.3 1302.7
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 267 122 51 94 147.5 55.2 44.6 1306.3 1350.8
White 133 59 25 49 71.5 53.8 32.0 1304.6 1336.6
Black 134 63 26 45 76.0 56.7 57.1 1307.9 1365.0
Standard All 189 85 41 63 105.5 55.8 49.5 1304.3 1353.8
White 95 41 19 35 50.5 53.2 26.8 1305.8 1332.6
Black 94 44 22 28 55.0 58.5 72.3 1302.8 1375.2
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