Player Page

Wilken, JB (Justin)
Dob: 1971/05/31 (Adult)
Gender: Male
Chess SA id: 171042847
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s): L3
Last active: 2024/04/20 (58 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 rating1840.6
Current Weighted rating1841.0
Current Weighted performance1574.1
Current official/published rating (highest between Raw, WR and WP)1841.0
Current highest rating achieved1984.0
Current floor (min rating allowed)1484.0
Current K-factor24
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)±66.6
Current Raw change used (final)0.0
Projected new Raw rating1840.6
Projected new Weighed rating1693.8
Projected new Weighted performance1574.1
Projected new final Raw rating (if new WP > new Raw)1840.6
Projected new highest rating1984.0
Projected new floor1484.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1840.6
Projected effective change (new Official - current Official)-0.4
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 rating1838.6
Current Weighted rating1845.0
Current Weighted performance1574.1
Current official/published rating (highest between Raw, WR and WP)1845.0
Current highest rating achieved1984.0
Current floor (min rating allowed)1484.0
Current K-factor24
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)±66.8
Current Raw change used (final)0.0
Projected new Raw rating1838.6
Projected new Weighed rating1697.4
Projected new Weighted performance1574.1
Projected new final Raw rating (if new WP > new Raw)1838.6
Projected new highest rating1984.0
Projected new floor1484.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1838.6
Projected effective change (new Official - current Official)-6.4
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 rating1926.5
Current Weighted rating1926.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1926.5
Current highest rating achieved1984.0
Current floor (min rating allowed)1484.0
Current K-factor24
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)±58.9
Current Raw change used (final)0.0
Projected new Raw rating1926.5
Projected new Weighed rating1772.4
Projected new Weighted performance250.1
Projected new final Raw rating (if new WP > new Raw)1926.5
Projected new highest rating1984.0
Projected new floor1484.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1926.5
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 rating1935.0
Current Weighted rating1932.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1935.0
Current highest rating achieved1984.0
Current floor (min rating allowed)1484.0
Current K-factor24
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)±58.2
Current Raw change used (final)0.0
Projected new Raw rating1935.0
Projected new Weighed rating1778.2
Projected new Weighted performance721.5
Projected new final Raw rating (if new WP > new Raw)1935.0
Projected new highest rating1984.0
Projected new floor1484.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1935.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 3 0.0 1858.1 1861.8 Analysis
1 South African Closed Chess Championship 2024 (Seniors) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 7.5 1858.1 1861.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
28 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 3 0.0 1858.1 1861.8 Analysis
27 South African Closed Chess Championship 2024 (Seniors) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 7.5 1858.1 1861.8 Analysis
26 Bojanala's FIDE in the Sparkling Waters 2023 (Prestige) 2023/07/28 2023/07/30 Bojanala Platina (NBR) Standard 120 1.00 6 6 3.0 1862.3 1868.7 Analysis
25 2023 Lubowski Open Tournament (A) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1855.3 1862.7 Analysis
24 Harties Wolf Pack 2023 (Money Queens) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 3.5 1838.0 1842.8 Analysis
23 Lardies Tournament 2022 (Open) 2022/10/29 2022/10/29 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1830.0 1833.4 Analysis
22 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 6.5 1808.6 1811.1 Analysis
21 Chessheroes Choo Choo Challenge 2022 2022/01/08 2022/01/08 Tshwane (GTP) Blitz 8 0.25 7 7 4.0 1813.0 1965.8 Analysis
20 2021 Lardies Ope (A+B) 2021/10/29 2021/10/29 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1804.2 1800.3 Analysis
19 2021 Milos Ristic Open (A) 2021/10/09 2021/10/09 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1804.2 1800.3 Analysis
18 Volkskool Tournament 2021 (Open) 2021/06/26 2021/06/26 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1822.3 1822.4 Analysis
17 KHS 2021 (A) 2021/04/10 2021/04/10 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1838.8 1842.3 Analysis
16 2020 Boardwalk Pearson Open Chess Festival (Prestige) 2020/03/13 2020/03/15 Nelson Mandela Bay (ENM) Standard 90 0.94 7 7 2.5 1897.5 1903.2 Analysis
15 King Cars Pe Chess Club Grand Prix Leg 1 2020 2020/02/15 2020/02/22 Nelson Mandela Bay (ENM) Standard 92 0.94 6 6 5.0 1910.1 1917.6 Analysis
14 2019 Inter Region Chess Championships 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 6 4.5 1873.9 1882.3 Analysis
13 Ulitmate Chess Open 2019 (Rapid A) 2019/11/30 2019/11/30 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 6 3.5 1886.0 1971.6 Analysis
12 Ulitmate Chess Open 2019 (Blitz A) 2019/11/30 2019/11/30 Nelson Mandela Bay (ENM) Blitz 5 0.18 6 6 4.5 1886.0 1983.8 Analysis
11 South African Open Chess Championships 2019 (A) 2019/06/15 2019/06/22 Frances Baard (NCF) Standard 135 1.00 9 9 5.5 1895.4 1890.7 Analysis
10 2019 Chris Greyling (A) 2019/04/27 2019/04/27 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1894.2 1887.6 Analysis
9 2019 Capablanca Chess Festival (RR A) 2019/04/18 2019/04/22 Tshwane (GTP) Standard 135 1.00 9 9 3.5 1894.2 1887.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 5 5 4 7.5 53.6 30.4 1767.0 1797.3
White 7 3 1 3 3.5 50.0 0.0 1722.2 1722.2
Black 7 2 4 1 4.0 57.1 60.7 1811.7 1872.4
Standard All 14 5 5 4 7.5 53.6 30.4 1767.0 1797.3
White 7 3 1 3 3.5 50.0 0.0 1722.2 1722.2
Black 7 2 4 1 4.0 57.1 60.7 1811.7 1872.4
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 172 85 44 43 107.0 62.2 103.8 1699.8 1803.6
White 85 45 21 19 55.5 65.3 130.0 1702.4 1832.4
Black 87 40 23 24 51.5 59.2 78.2 1697.3 1775.5
Standard All 146 71 40 35 91.0 62.3 104.8 1697.2 1802.0
White 73 39 18 16 48.0 65.8 133.9 1697.8 1831.7
Black 73 32 22 19 43.0 58.9 75.7 1696.5 1772.2
Rapid All 6 3 1 2 3.5 58.3 70.8 1669.1 1739.9
White 3 1 1 1 1.5 50.0 0.0 1756.9 1756.9
Black 3 2 0 1 2.0 66.7 141.7 1581.3 1723.0
Blitz All 20 11 3 6 12.5 62.5 106.3 1728.6 1834.9
White 9 5 2 2 6.0 66.7 141.7 1721.7 1863.4
Black 11 6 1 4 6.5 59.1 77.3 1734.3 1811.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 178027309 Nelson, WJH (William) 4 2.5 1 3 0 62.5 1837.8 106.3 1944.1 View list
2 184019054 Mabusela, JM (Johannes) 4 0.5 0 1 3 12.5 1819.1 -318.8 1500.3 View list
3 106027371 Nevin, TW (Tyler) 3 2.0 2 0 1 66.7 1913.0 141.7 2054.7 View list
4 187025727 Mpya, TM (Tshediso) 3 1.5 0 3 0 50.0 1887.8 0.0 1887.8 View list
5 194026329 Mwale, J (Joseph) 3 1.0 0 2 1 33.3 1890.1 -141.7 1748.4 View list
6 192023485 Mnguni, JD (Jakob) 3 0.0 0 0 3 0.0 1920.4 -425.0 1495.4 View list
7 105088368 Freeman, V (Vianco) 2 2.0 2 0 0 100.0 1847.3 425.0 2272.3 View list
8 109069454 Sathish, A (Abinavah) 2 2.0 2 0 0 100.0 1869.5 425.0 2294.5 View list
9 110086011 Felix, R (Raphael) 2 1.5 1 1 0 75.0 1876.4 212.5 2088.9 View list
10 105057058 Kruger, MJ (Matthew) 2 1.5 1 1 0 75.0 1920.8 212.5 2133.3 View list
11 106035283 Smit, YH (Yoshua) 2 1.5 1 1 0 75.0 1829.8 212.5 2042.3 View list
12 1820104922 Kritzinger, A (Andre) 2 1.0 1 0 1 50.0 1886.0 0.0 1886.0 View list
13 105050597 Lefyedi, T (Thatego) 2 1.0 1 0 1 50.0 1850.2 0.0 1850.2 View list
14 180020180 Malgas, GL (Glenwell) 2 1.0 1 0 1 50.0 1886.0 0.0 1886.0 View list
15 179035900 Stambull, RF (Ricardo) 2 1.0 1 0 1 50.0 1898.0 0.0 1898.0 View list
16 173003226 Bouah, LJ (Lyndon) 2 1.0 0 2 0 50.0 1833.3 0.0 1833.3 View list
17 101023373 Mlahleki, V (Vusimuzi) 2 1.0 0 2 0 50.0 1849.2 0.0 1849.2 View list
18 180028736 Odendaal, F (Frederick) 2 1.0 0 2 0 50.0 1886.0 0.0 1886.0 View list
19 163002189 Bhawoodien, SH (Shabier) 2 0.5 0 1 1 25.0 1906.8 -212.5 1694.3 View list
20 187019959 Makoto, R (Rodwell) 2 0.0 0 0 2 0.0 1847.9 -425.0 1422.9 View list