Player Page

Jaffray, J (Joseph)
Dob: 2008/09/07 (U18)
Gender: Male
Chess SA id: 1080133991
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (35 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 rating1495.6
Curent Weighted rating1424.3
Curent Weighted performance1448.3
Current official/published rating (highest between Raw, WR and WP)1495.6
Current floor (min rating allowed)1028.0
Current highest rating achieved1528.0
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)±108.8
Current Raw change used (final)0.0
Projected new Raw rating1495.6
Projected new Weighed rating1435.6
Projected new Weighted performance1448.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1495.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1528.0
Projected new floor1028.0
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 rating1490.4
Curent Weighted rating1425.8
Curent Weighted performance1448.8
Current official/published rating (highest between Raw, WR and WP)1490.4
Current floor (min rating allowed)1022.7
Current highest rating achieved1522.7
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)±109.6
Current Raw change used (final)0.0
Projected new Raw rating1490.4
Projected new Weighed rating1436.3
Projected new Weighted performance1448.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1490.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1522.7
Projected new floor1022.7
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 rating1197.6
Curent Weighted rating1198.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1198.0
Current floor (min rating allowed)697.6
Current highest rating achieved1197.6
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)±166.4
Current Raw change used (final)0.0
Projected new Raw rating1197.6
Projected new Weighed rating1197.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1197.9
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1197.6
Projected new floor697.6
Projected new K-facor40
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)697.6
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor697.6
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 NMBCU Trials 2 2024 (U18) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1479.1 1469.6 Analysis
3 Madibaz Chess Tournament 2024 (B) 2024/03/01 2024/03/02 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1510.7 1503.5 Analysis
2 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1528.0 1522.7 Analysis
1 NMBCU Trials 1 2024 (U16) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 1 0.0 1528.0 1522.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 NMBCU Trials 2 2024 (U18) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1479.1 1469.6 Analysis
15 Madibaz Chess Tournament 2024 (B) 2024/03/01 2024/03/02 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1510.7 1503.5 Analysis
14 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1528.0 1522.7 Analysis
13 NMBCU Trials 1 2024 (U16) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 1 0.0 1528.0 1522.7 Analysis
12 PECC Club Championship 2023 (Senior) 2023/10/12 2023/11/23 Nelson Mandela Bay (ENM) Standard 90 0.94 6 3 2.0 1517.3 1511.3 Analysis
11 Eastern Cape Chess Team Championship 2023 (U16) 2023/10/07 2023/10/08 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 4.5 1418.6 1431.9 Analysis
10 Eastern Cape Provincial Individual Championship 2023 (U16 Boys) 2023/10/05 2023/10/06 Nelson Mandela Bay (ENM) Standard 65 0.85 7 7 5.0 1418.6 1431.9 Analysis
9 NMBCU Closed 2023 (U16) 2023/08/11 2023/08/12 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1391.2 1397.2 Analysis
8 NMBCU Trial 4 2023 (U16) 2023/07/28 2023/07/29 Nelson Mandela Bay (ENM) Standard 60 0.83 5 4 3.0 1322.3 1326.4 Analysis
7 2023 EC Schools Provincial Winter Games (U15 Boys) 2023/06/02 2023/06/03 Buffalo City (EBC) Standard 60 0.83 6 6 3.0 1324.4 1332.2 Analysis
6 NMB 2nd Trials 2023 (U16) 2023/03/24 2023/03/25 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1251.5 1269.6 Analysis
5 Youth Chess Acadamy Rapid Tournament 2023 (A) 2023/03/11 2023/03/11 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 2.0 1251.5 1200.0 Analysis
4 NMB 1st Trials 2023 (U16) 2023/02/17 2023/02/18 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1212.4 1226.4 Analysis
3 NMBCU Trial 3 2022 (U16) 2022/07/22 2022/07/23 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1127.1 1120.4 Analysis
2 NSSC Winter Games 2022 (U15 Boys) 2022/07/04 2022/07/06 Cape Town (WCT) Standard 70 0.87 7 7 4.0 1127.1 1120.4 Analysis
1 2022 Nelson Mandela Bay Open (B) 2022/02/04 2022/02/06 Nelson Mandela Bay (ENM) Standard 90 0.94 5 4 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 18 11 0 7 11.0 61.1 94.4 1352.8 1447.3
White 9 5 0 4 5.0 55.6 47.2 1343.8 1391.1
Black 9 6 0 3 6.0 66.7 141.7 1361.8 1503.5
Standard All 18 11 0 7 11.0 61.1 94.4 1352.8 1447.3
White 9 5 0 4 5.0 55.6 47.2 1343.8 1391.1
Black 9 6 0 3 6.0 66.7 141.7 1361.8 1503.5
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 83 45 9 29 49.5 59.6 81.9 1323.9 1405.8
White 42 23 4 15 25.0 59.5 81.0 1319.5 1400.5
Black 41 22 5 14 24.5 59.8 82.9 1328.3 1411.2
Standard All 78 43 9 26 47.5 60.9 92.6 1319.0 1411.7
White 39 21 4 14 23.0 59.0 76.3 1321.5 1397.7
Black 39 22 5 12 24.5 62.8 109.0 1316.6 1425.6
Rapid All 5 2 0 3 2.0 40.0 -85.0 1399.4 1314.4
White 3 2 0 1 2.0 66.7 141.7 1294.4 1436.1
Black 2 0 0 2 0.0 0.0 -425.0 1557.0 1132.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1080131476 Chipunza, J (James) 7 1.5 0 3 4 21.4 1363.7 -242.9 1120.8 View list
2 108070881 Bouwer, R (Ruben) 5 4.5 4 1 0 90.0 1333.3 340.0 1673.3 View list
3 1090140449 Randall, K (Kyle) 3 3.0 3 0 0 100.0 1371.4 425.0 1796.4 View list
4 1080139768 Grigor, R (Ruan) 3 2.0 2 0 1 66.7 1314.3 141.7 1456.0 View list
5 109083952 Taljard, J (Julian) 3 1.0 1 0 2 33.3 1294.2 -141.7 1152.5 View list
6 107057087 Peter, NM (Neathan) 3 0.0 0 0 3 0.0 1378.1 -425.0 953.1 View list
7 1090158533 Amachukwu, J (Joseph) 2 1.0 1 0 1 50.0 1416.5 0.0 1416.5 View list
8 108070879 Slabbert, D (Deon) 2 1.0 1 0 1 50.0 1321.3 0.0 1321.3 View list
9 1090139779 Udemans, B (Billy) 2 1.0 1 0 1 50.0 1321.3 0.0 1321.3 View list
10 109067367 Peter, N (Noah) 2 0.0 0 0 2 0.0 1370.4 -425.0 945.4 View list
11 1850146931 Davies, S (Stanton) 1 1.0 1 0 0 100.0 1251.5 425.0 1676.5 View list
12 1090134448 Krieger, BCJ (Brian) 1 1.0 1 0 0 100.0 1418.6 425.0 1843.6 View list
13 1080135624 Hintsa, B (Banele) 1 1.0 1 0 0 100.0 1324.4 425.0 1749.4 View list
14 1990190827 Hina, B (Bathandwa) 1 1.0 1 0 0 100.0 1517.3 425.0 1942.3 View list
15 1070151228 Gcwabe, O (Othandwayo) 1 1.0 1 0 0 100.0 1479.1 425.0 1904.1 View list
16 2080146921 Follie, Q (Qhayiya) 1 1.0 1 0 0 100.0 1418.6 425.0 1843.6 View list
17 2080111070 Cerfonteyn, Z (Zeenat) 1 1.0 1 0 0 100.0 1212.4 425.0 1637.4 View list
18 1080151219 Collett, S (Samuel) 1 1.0 1 0 0 100.0 1528.0 425.0 1953.0 View list
19 2080111089 Barnard, L (Leandre) 1 1.0 1 0 0 100.0 1127.1 425.0 1552.1 View list
20 109077429 Le Roux, JC (Jean) 1 1.0 1 0 0 100.0 1324.4 425.0 1749.4 View list