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Individual Calculations April 2009 |
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| Iyengar, Ilya Total change: 1.50 | |   |
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| London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1920 | 2.00 | 6 | -0.19 | 15 | -2.85 | |
|  Bonafont, Philip R | | | 2126 | ENG | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Staneland, Peter E | | | 1704 | ENG | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Melnikovs, Svjatoslavs | | | 2062 | LAT | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Lewis, Andrew P | f | | 2270 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Crouch, Colin S | m | | 2270 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Davda, Rahil P | | | 1821 | ENG | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | Hastings Weekend Open | Hastings | ENG | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 1931 | 0.50 | 1 | 0.29 | 15 | 4.35 | |
| | Byron, Alan M | | | 2162 | ENG | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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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