Player Page

Nelson, WJH (William)
Dob: 1978/02/03 (Adult)
Gender: Male
Chess SA id: 178027309
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s): RA,FI
Last active: 2024/02/24 (121 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 rating1969.6
Current Weighted rating1903.3
Current Weighted performance1834.8
Current official/published rating (highest between Raw, WR and WP)1969.6
Current highest rating achieved1980.0
Current floor (min rating allowed)1480.0
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)±55.4
Current Raw change used (final)0.0
Projected new Raw rating1969.6
Projected new Weighed rating1753.2
Projected new Weighted performance1834.8
Projected new final Raw rating (if new WP > new Raw)1969.6
Projected new highest rating1980.0
Projected new floor1480.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1969.6
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 rating1992.0
Current Weighted rating1912.3
Current Weighted performance1834.8
Current official/published rating (highest between Raw, WR and WP)1992.0
Current highest rating achieved1992.0
Current floor (min rating allowed)1492.0
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)±53.7
Current Raw change used (final)0.0
Projected new Raw rating1992.0
Projected new Weighed rating1761.9
Projected new Weighted performance1834.8
Projected new final Raw rating (if new WP > new Raw)1992.0
Projected new highest rating1992.0
Projected new floor1492.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1992.0
Projected effective change (new Official - current Official)=0.0
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 rating1918.8
Current Weighted rating1918.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1918.8
Current highest rating achieved1980.0
Current floor (min rating allowed)1480.0
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)±59.5
Current Raw change used (final)0.0
Projected new Raw rating1918.8
Projected new Weighed rating1765.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1980.0
Projected new floor1480.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1918.8
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 rating1949.0
Current Weighted rating1925.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1949.0
Current highest rating achieved1980.0
Current floor (min rating allowed)1480.0
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)±57.0
Current Raw change used (final)0.0
Projected new Raw rating1949.0
Projected new Weighed rating1771.8
Projected new Weighted performance688.1
Projected new final Raw rating (if new WP > new Raw)1949.0
Projected new highest rating1980.0
Projected new floor1480.0
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1949.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Tshwane Chess AHS Open Chess Tournament (Prestige) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1945.7 1964.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
33 2024 Tshwane Chess AHS Open Chess Tournament (Prestige) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1945.7 1964.4 Analysis
32 Lardies Open Tournament 2023 (Prestige) 2023/10/08 2023/10/08 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1868.5 1871.0 Analysis
31 2023 Tuks Open Chess Tournament (A) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1868.5 1871.0 Analysis
30 2023 Menlo Open Tournament (A) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1867.1 1869.1 Analysis
29 2023 Lubowski Open Tournament (A) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 4.5 1832.7 1824.9 Analysis
28 Wynie Robbertse Open Tournament 2023 (A) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 3 2.5 1832.7 1824.9 Analysis
27 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 7.0 1810.1 1797.8 Analysis
26 Chessheroes Choo Choo Challenge 2022 2022/01/08 2022/01/08 Tshwane (GTP) Blitz 8 0.25 7 7 4.0 1808.4 1918.3 Analysis
25 2021 Lardies Ope (A+B) 2021/10/29 2021/10/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1822.9 1813.2 Analysis
24 2021 Milos Ristic Open (A) 2021/10/09 2021/10/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1822.9 1813.2 Analysis
23 2021 Chris Greyling Open Tournament (A) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1820.3 1809.1 Analysis
22 2021 Blou Bul Tournament (A) 2021/04/10 2021/04/10 Mangaung (FMB) Standard 60 0.83 5 5 3.5 1808.7 1791.3 Analysis
21 Ekurhuleni Chess Chessa Open 2021 (Elite) 2021/03/27 2021/03/28 Ekurhuleni (GE) Standard 90 0.94 5 5 2.0 1822.5 1804.0 Analysis
20 2020 Boardwalk Pearson Open Chess Festival (Prestige) 2020/03/13 2020/03/15 Nelson Mandela Bay (ENM) Standard 90 0.94 7 7 4.0 1804.0 1794.4 Analysis
19 2020 Waterkloof Open (A) 2020/02/29 2020/03/01 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1804.0 1794.4 Analysis
18 2020 Piet Robbertse (A) 2020/01/31 2020/02/02 Cape Winelands (WCW) Standard 120 1.00 5 5 4.0 1778.8 1767.0 Analysis
17 2019 South African Juior Blitz Championship (A) 2020/01/05 2020/01/05 4 Knights (4K) Blitz 5 0.18 7 7 4.0 1771.6 1918.8 Analysis
16 2019 Lardies Open (A) 2019/10/26 2019/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1761.8 1753.1 Analysis
15 2019 Alekhine Open (A) 2019/08/09 2019/08/10 Tshwane (GTP) Standard 120 1.00 5 5 2.0 1800.2 1788.9 Analysis
14 2019 Chris Greyling (A) 2019/04/27 2019/04/27 Tshwane (GTP) Standard 60 0.83 5 2 0.0 1832.1 1826.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 2 1 3.0 60.0 85.0 2058.6 2143.6
White 2 0 2 0 1.0 50.0 0.0 2054.6 2054.6
Black 3 2 0 1 2.0 66.7 141.7 2061.3 2202.9
Standard All 5 2 2 1 3.0 60.0 85.0 2058.6 2143.6
White 2 0 2 0 1.0 50.0 0.0 2054.6 2054.6
Black 3 2 0 1 2.0 66.7 141.7 2061.3 2202.9
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 181 89 39 53 108.5 59.9 84.5 1767.6 1852.2
White 88 49 15 24 56.5 64.2 120.7 1791.7 1912.5
Black 93 40 24 29 52.0 55.9 50.3 1744.8 1795.1
Standard All 167 83 35 49 100.5 60.2 86.5 1748.9 1835.4
White 81 45 14 22 52.0 64.2 120.7 1760.0 1880.7
Black 86 38 21 27 48.5 56.4 54.4 1738.5 1792.9
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 14 6 4 4 8.0 57.1 60.7 1990.8 2051.6
White 7 4 1 2 4.5 64.3 121.4 2158.8 2280.3
Black 7 2 3 2 3.5 50.0 0.0 1822.8 1822.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 104053107 Govender, Y (Yaduvir) 4 3.0 3 0 1 75.0 1866.0 212.5 2078.5 View list
2 106035283 Smit, YH (Yoshua) 4 3.0 3 0 1 75.0 1806.2 212.5 2018.7 View list
3 184027327 Nene, TH (Themba) 4 2.5 1 3 0 62.5 1853.3 106.3 1959.5 View list
4 199021497 Masiya, MA (Mfundo) 4 2.0 2 0 2 50.0 1859.8 0.0 1859.8 View list
5 171042847 Wilken, JB (Justin) 4 1.5 0 3 1 37.5 1835.8 -106.3 1729.5 View list
6 194026329 Mwale, J (Joseph) 4 1.0 1 0 3 25.0 1833.9 -212.5 1621.4 View list
7 101032434 Rogge, CG (Conrad) 3 3.0 3 0 0 100.0 1860.8 425.0 2285.8 View list
8 188023581 Moche, J (Johannes) 3 2.5 2 1 0 83.3 1836.0 283.3 2119.3 View list
9 104064895 Naidoo, T (Tashil) 3 2.5 2 1 0 83.3 1863.2 283.3 2146.5 View list
10 101032167 Richter, J-M (Jan-Michael) 3 2.5 2 1 0 83.3 1842.8 283.3 2126.1 View list
11 103007373 Dinham, J (James) 3 1.5 1 1 1 50.0 1856.7 0.0 1856.7 View list
12 207082268 Badenhorst, C (Chloe) 2 2.0 2 0 0 100.0 1874.8 425.0 2299.8 View list
13 1080103221 Nwedo, K (Khodani) 2 2.0 2 0 0 100.0 1849.9 425.0 2274.9 View list
14 108076196 Potgieter, E (Edward) 2 2.0 2 0 0 100.0 1785.1 425.0 2210.1 View list
15 109069454 Sathish, A (Abinavah) 2 2.0 2 0 0 100.0 1827.8 425.0 2252.8 View list
16 299040998 Van Zyl, C (Charlize) 2 2.0 2 0 0 100.0 1869.3 425.0 2294.3 View list
17 100020721 Marais, DP (Daniel) 2 1.5 1 1 0 75.0 1814.2 212.5 2026.7 View list
18 184019054 Mabusela, JM (Johannes) 2 1.0 1 0 1 50.0 1932.3 0.0 1932.3 View list
19 194019178 Madiba, CM (Carpediem) 2 1.0 1 0 1 50.0 1817.3 0.0 1817.3 View list
20 101050584 Mazibuko, K (Khanya) 2 1.0 1 0 1 50.0 1869.3 0.0 1869.3 View list