Player Page

Dykema, JD (Joshua)
Dob: 2005/04/20 (U20)
Gender: Male
Chess SA id: 105008491
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2020/01/11 (1588 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 rating1479.4
Curent Weighted rating1470.2
Curent Weighted performance592.7
Current official/published rating (highest between Raw, WR and WP)1479.4
Current floor (min rating allowed)984.7
Current highest rating achieved1484.7
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)±111.4
Current Raw change used (final)0.0
Projected new Raw rating1479.4
Projected new Weighed rating1471.1
Projected new Weighted performance592.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1479.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1484.7
Projected new floor984.7
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 rating1477.3
Curent Weighted rating1476.5
Curent Weighted performance594.8
Current official/published rating (highest between Raw, WR and WP)1477.3
Current floor (min rating allowed)1002.3
Current highest rating achieved1502.3
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)±111.7
Current Raw change used (final)0.0
Projected new Raw rating1477.3
Projected new Weighed rating1476.6
Projected new Weighted performance594.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1477.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1502.3
Projected new floor1002.3
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 rating1469.7
Curent Weighted rating1469.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1469.7
Current floor (min rating allowed)969.7
Current highest rating achieved1469.7
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)±112.9
Current Raw change used (final)0.0
Projected new Raw rating1469.7
Projected new Weighed rating1469.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1469.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1469.7
Projected new floor969.7
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 rating1307.5
Curent Weighted rating1291.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1307.5
Current floor (min rating allowed)969.7
Current highest rating achieved1431.0
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)±142.3
Current Raw change used (final)0.0
Projected new Raw rating1307.5
Projected new Weighed rating1292.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1307.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1431.0
Projected new floor969.7
Projected new K-facor32
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 2019 South African Top Schools Team Championships (U15+U17 Open) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 3.0 1462.1 1473.8 Analysis
16 2019 Gauteng School League Finals (U15 Open) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1484.7 1502.3 Analysis
15 2019 D4 Tshwane South Schools League Team Finals (U15) 2019/07/27 2019/07/27 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1458.4 1470.3 Analysis
14 2019 Waterkloof Open (B) 2019/03/02 2019/03/03 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1459.6 1476.1 Analysis
13 2018 Inter Region Chess Championships 2018/12/21 2018/12/24 4 Knights (4K) Standard 120 1.00 7 7 2.5 1415.6 1431.3 Analysis
12 South African Junior Blitz 2018 (U14) 2018/12/19 2018/12/19 4 Knights (4K) Blitz 5 0.18 7 7 3.0 1415.6 1381.1 Analysis
11 South African Junior Team Championships 2018 (U14A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 7.0 1415.6 1431.3 Analysis
10 2018 Etienne Lewis Trials (U14 Boys) 2018/08/31 2018/09/02 Tshwane (GTP) Standard 120 1.00 7 6 3.5 1443.4 1461.4 Analysis
9 2018 Gauteng League Final (U15) 2018/08/25 2018/08/25 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1456.6 1460.4 Analysis
8 2018 D4 Tshwane South Schools League Finals (U15) 2018/08/04 2018/08/04 Tshwane (GTP) Standard 60 0.83 5 4 2.5 1456.6 1460.4 Analysis
7 Waterkloof Open Fide Blitz 2018 2018/08/02 2018/08/02 Tshwane (GTP) Blitz 5 0.18 10 10 5.0 1456.6 1469.7 Analysis
6 2018 Capablanca RR (D) 2018/04/26 2018/05/01 Tshwane (GTP) Standard 135 1.00 9 9 5.0 1440.9 1444.7 Analysis
5 2018 Waterkloof Open (B) 2018/03/03 2018/03/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1469.8 1476.1 Analysis
4 2018 Piet Robbertse Chess Tournament (B) 2018/02/03 2018/02/03 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1442.2 1442.2 Analysis
3 South African Inter Regional Championships 2017 2018/01/09 2018/01/12 4 Knights (4K) Standard 120 1.00 7 6 2.0 1469.7 1469.7 Analysis
2 South African Junior Blitz 2017 Championships (A) 2018/01/07 2018/01/07 4 Knights (4K) Blitz 5 0.18 7 0 0.0 1469.7 1469.7 Analysis
1 South African Junior Team Championships 2017 (U14A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.5 1469.7 1469.7 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 97 53 19 25 62.5 64.4 122.7 1284.4 1407.0
White 50 22 11 17 27.5 55.0 42.5 1291.6 1334.1
Black 47 31 8 8 35.0 74.5 208.0 1276.7 1484.7
Standard All 80 47 15 18 54.5 68.1 154.1 1292.8 1446.9
White 42 21 10 11 26.0 61.9 101.2 1290.6 1391.8
Black 38 26 5 7 28.5 75.0 212.5 1295.3 1507.8
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 17 6 4 7 8.0 47.1 -25.0 1244.6 1219.6
White 8 1 1 6 1.5 18.8 -265.6 1296.6 1031.0
Black 9 5 3 1 6.5 72.2 188.9 1198.4 1387.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 201044679 Dinham, M (Megan) 2 2.0 2 0 0 100.0 1455.3 425.0 1880.3 View list
2 106028748 Odendaal, MM (Mikhal) 2 1.0 0 2 0 50.0 1436.1 0.0 1436.1 View list
3 105009732 Fourie, B (Brandon) 2 0.5 0 1 1 25.0 1450.9 -212.5 1238.4 View list
4 103085178 Gopane, B (Bokang) 1 1.0 1 0 0 100.0 1456.6 425.0 1881.6 View list
5 105088368 Freeman, V (Vianco) 1 1.0 1 0 0 100.0 1415.6 425.0 1840.6 View list
6 1690104918 Fourie, J (Jannie) 1 1.0 1 0 0 100.0 1456.6 425.0 1881.6 View list
7 105008461 Duvenhage, LC (Leon) 1 1.0 1 0 0 100.0 1443.4 425.0 1868.4 View list
8 102007831 Du Plessis, JAK (Jan) 1 1.0 1 0 0 100.0 1442.2 425.0 1867.2 View list
9 106066235 Fillis, J (Jordan) 1 1.0 1 0 0 100.0 1415.6 425.0 1840.6 View list
10 169008492 Dykema, RL (Reint) 1 1.0 1 0 0 100.0 1456.6 425.0 1881.6 View list
11 169002661 Booysen, W (Wim) 1 1.0 1 0 0 100.0 1469.8 425.0 1894.8 View list
12 109069449 Boheim, E (Eugene) 1 1.0 1 0 0 100.0 1459.6 425.0 1884.6 View list
13 100080915 Barnard, N (Nico) 1 1.0 1 0 0 100.0 1469.7 425.0 1894.7 View list
14 203064963 Alex, M (Marilyn) 1 1.0 1 0 0 100.0 1456.6 425.0 1881.6 View list
15 104046622 Coetzee, P (Philip) 1 1.0 1 0 0 100.0 1469.7 425.0 1894.7 View list
16 104011327 Grobler, MD (Marco) 1 1.0 1 0 0 100.0 1456.6 425.0 1881.6 View list
17 205012408 Herselman, D (Danica) 1 1.0 1 0 0 100.0 1469.7 425.0 1894.7 View list
18 1040118308 Jenkins, R (Rodney) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list
19 1040117051 Laaks, R (Reinhard) 1 1.0 1 0 0 100.0 1458.4 425.0 1883.4 View list
20 104077949 Lamusse, A (Andre Bernard) 1 1.0 1 0 0 100.0 1484.7 425.0 1909.7 View list