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Individual Calculations December 2017 |
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| Russell, Christopher Total change: 14.40 | |   |
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| 2017 Central London Chess Congress (Open Section) | London | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2089 | 3.50 | 5 | -0.03 | 20 | -0.60 | |
|  Rizzoli, Aluna | | | 1900 | ITA | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Shepherd, Katherine M | | | 1918 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Ortiz Sanchez, Luis | | | 1868 | ESP | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Martelli, Tommaso | | | 1945 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Niccoli, Tony | | | 2030 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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) | | | | 2017/18 4NCL Division 2 Rounds 1-2 | Telford | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2089 | 1.50 | 2 | 0.75 | 20 | 15.00 | |
| | Okike, David | | | 2198 | NGR | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Willis, Rupert | | | 2163 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | |
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