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Individual Calculations February 2019 |
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| Iyengar, Ilya Total change: -17.80 | |   |
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| London Christmas Chess Congress Open Under 18-21 | London | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 2001 | 3.50 | 5 | -0.02 | 20 | -0.40 | |
|  Ramaiya, Anshu | | | 1931 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | |  Sanitt, Ethan | | | 1762 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Watson, Mikey J | | | 1900 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | White, David J | | | 1865 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Hosdurga, Chirag | | | 1758 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 68th Hampstead FIDE Chess Congress Jan U2200 | London | ENG | 2019-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1997 | 2.00 | 4 | -0.87 | 20 | -17.40 | |
| | Cowan, Xavier | | | 1699 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Balaji, Aaravamudhan | | | 1933 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Isaksen, Peter A | | | 1898 | ENG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Sanitt, Ethan | | | 1762 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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