Player Page

Fredericks, J (Jonathan)
Dob: 1975/07/14 (Adult)
Gender: Male
Chess SA id: 175071006
FIDE id:
Region: Amathole (EAL)
Citizen: RSA
Title(s):
Last active: 2022/04/30 (741 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 rating1576.4
Curent Weighted rating1428.3
Curent Weighted performance907.9
Current official/published rating (highest between Raw, WR and WP)1576.4
Current floor (min rating allowed)1076.4
Current highest rating achieved1576.4
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)±97.0
Current Raw change used (final)0.0
Projected new Raw rating1576.4
Projected new Weighed rating1443.1
Projected new Weighted performance907.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1576.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1576.4
Projected new floor1076.4
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 rating1588.2
Curent Weighted rating1222.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1588.2
Current floor (min rating allowed)1088.2
Current highest rating achieved1588.2
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)±95.4
Current Raw change used (final)0.0
Projected new Raw rating1588.2
Projected new Weighed rating1259.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1588.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1588.2
Projected new floor1088.2
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 rating870.3
Curent Weighted rating736.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)870.3
Current floor (min rating allowed)500.0
Current highest rating achieved870.3
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)±265.2
Current Raw change used (final)0.0
Projected new Raw rating870.3
Projected new Weighed rating749.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)870.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating870.3
Projected new floor500.0
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 rating1417.6
Curent Weighted rating1152.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1417.6
Current floor (min rating allowed)500.0
Current highest rating achieved1417.6
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)±121.6
Current Raw change used (final)0.0
Projected new Raw rating1417.6
Projected new Weighed rating1178.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1417.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1417.6
Projected new floor500.0
Projected new K-facor32
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Makhanda Open Chess Tournament 2022 (A) 2022/04/30 2022/04/30 Sarah Baartman (ESB) Rapid 25 0.54 6 4 2.0 1359.7 602.6 Analysis
5 UFH Heritage Open 2021 (Blitz) 2021/10/17 2021/10/17 Amathole (EAL) Blitz 5 0.18 7 7 4.0 914.2 859.8 Analysis
4 UFH Heritage Open 2021 (A) 2021/10/16 2021/10/17 Amathole (EAL) Standard 90 0.94 5 5 3.0 914.2 900.6 Analysis
3 Alice Cup 2021 (Elite) 2021/05/29 2021/05/29 Amathole (EAL) Standard 60 0.83 5 5 4.0 783.1 741.4 Analysis
2 2020 Boardwalk Pearson Open Chess Festival (Open) 2020/03/14 2020/03/15 Nelson Mandela Bay (ENM) Standard 90 0.94 5 5 3.5 652.6 602.6 Analysis
1 2019 UFH Heritage (Blitz) 2019/10/05 2019/10/05 Amathole (EAL) Blitz 5 0.18 9 9 7.0 602.6 602.6 Analysis
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 35 21 5 9 23.5 67.1 145.7 1385.8 1531.5
White 18 11 3 4 12.5 69.4 165.3 1370.3 1535.6
Black 17 10 2 5 11.0 64.7 125.0 1402.1 1527.1
Standard All 15 10 1 4 10.5 70.0 170.0 1384.5 1554.5
White 7 5 0 2 5.0 71.4 182.1 1396.6 1578.8
Black 8 5 1 2 5.5 68.8 159.4 1373.8 1533.2
Rapid All 4 1 2 1 2.0 50.0 0.0 1083.5 1083.5
White 2 0 2 0 1.0 50.0 0.0 928.5 928.5
Black 2 1 0 1 1.0 50.0 0.0 1238.5 1238.5
Blitz All 16 10 2 4 11.0 68.8 159.4 1462.5 1621.9
White 9 6 1 2 6.5 72.2 188.9 1448.0 1636.9
Black 7 4 1 2 4.5 64.3 121.4 1481.2 1602.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1980117938 Wababa, L (Lumanyano) 2 2.0 2 0 0 100.0 848.7 425.0 1273.7 View list
2 1980102809 Zenani, S (Sibabalwe) 2 1.0 1 0 1 50.0 848.7 0.0 848.7 View list
3 180020180 Malgas, GL (Glenwell) 2 0.5 0 1 1 25.0 914.2 -212.5 701.7 View list
4 180028736 Odendaal, F (Frederick) 2 0.0 0 0 2 0.0 914.2 -425.0 489.2 View list
5 190044396 Miya, G (Gugulethu) 1 1.0 1 0 0 100.0 602.6 425.0 1027.6 View list
6 1970111400 Mayekiso, S (Songezo) 1 1.0 1 0 0 100.0 602.6 425.0 1027.6 View list
7 181026956 Ndlovu, T (Terence) 1 1.0 1 0 0 100.0 602.6 425.0 1027.6 View list
8 211085191 Naidoo, K (Kajol) 1 1.0 1 0 0 100.0 652.6 425.0 1077.6 View list
9 1000133508 Mxenge, A (Afika) 1 1.0 1 0 0 100.0 914.2 425.0 1339.2 View list
10 103054244 Muller, K (Kaden) 1 1.0 1 0 0 100.0 652.6 425.0 1077.6 View list
11 1050118758 Mokitimi, U (Unathi) 1 1.0 1 0 0 100.0 914.2 425.0 1339.2 View list
12 1080134779 Mokitimi, T (Thapelo) 1 1.0 1 0 0 100.0 914.2 425.0 1339.2 View list
13 1940111401 Mabulu, S (Sakhe) 1 1.0 1 0 0 100.0 783.1 425.0 1208.1 View list
14 183068085 Magagula, R (Raymond) 1 1.0 1 0 0 100.0 602.6 425.0 1027.6 View list
15 1090111065 Blignaut, J (Jordan) 1 1.0 1 0 0 100.0 652.6 425.0 1077.6 View list
16 210076312 August, S (Siyolise) 1 1.0 1 0 0 100.0 602.6 425.0 1027.6 View list
17 2070134911 Fosini, L (Lilitha) 1 1.0 1 0 0 100.0 1359.7 425.0 1784.7 View list
18 199029719 Peter, AA (Aviwe) 1 1.0 1 0 0 100.0 783.1 425.0 1208.1 View list
19 1000097969 Tokoyi, R (Romeo) 1 1.0 1 0 0 100.0 783.1 425.0 1208.1 View list
20 1010134072 Tokwe, L (Luvolwethu) 1 1.0 1 0 0 100.0 914.2 425.0 1339.2 View list