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Individual Calculations February 2019 |
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| Usharovsky, Ron Total change: -7.20 | |   |
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| London Christmas Chess Congress Major | London | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1607 | 1.50 | 5 | -0.53 | 40 | -21.20 | |
|  Hibbitt, Arthur M | | | 1773 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Maton, James J | | | 1402 | ENG | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ashcroft, Graham J | | | 1860 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Sheikh, Nasarullah | | | 1722 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Parry, Jacques | | | 1639 | ENG | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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) | | | | 2018/19 4NCL Div 4 Rounds 3 - 4 | Bedford | ENG | 2019-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1581 | 0.00 | 2 | -0.24 | 40 | -9.60 | |
| | Karamazondo, Ernest | | | 1864 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Fletcher, John | | | 1981 * | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2018-19 Junior 4NCL 2, Division 1 | Solihull | ENG | 2019-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1607 | 1581 | 2.50 | 4 | 0.59 | 40 | 23.60 | |
| | Dicen, Imogen | | | 1590 | ENG | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Akeya-Price, Robert | | | 1845 | ENG | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Smith, George | | | 1510 | WLS | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Bridgeman, Niamh | | | 1481 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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