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Individual Calculations December 2017 |
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| Tivillier, Jacques Total change: -8.80 | |   |
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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 |
| 1999 | 1760 | 0.00 | 3 | -0.61 | 20 | -12.20 | |
|  Cannon, Richard J | | | 2012 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Bennett, John M | | | 1993 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Young, Daniel J | | | 1993 | ENG | 0.00 | 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) | | | | 2017/18 4NCL Division 4 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1760 | 1.00 | 2 | 0.37 | 20 | 7.40 | |
| | Wilks, Simon | | | 2019 | ENG | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Towers, Nigel S | | | 1797 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | Hampstead FIDE Congress Under 2200 Nov 17 | London | ENG | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1760 | 0.50 | 2 | -0.20 | 20 | -4.00 | |
| | Sedykh, Mikhail | | | 2138 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Sahinoz, Giulio O | | | 1682 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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