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Individual Calculations February 2019 |
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| Tombolis, Christopher Total change: -16.00 | |   |
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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 |
| 1903 | 1898 | 2.00 | 6 | -1.01 | 40 | -40.40 | |
|  Rocco, Federico | | | 2244 | ENG | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Onslow, Teddy | | | 1730 | ENG | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Rizvi, Nasir | | | 1993 | WLS | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Rogers, Tim L | | | 2003 | ENG | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Sanitt, Leo | | | 1749 | ENG | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Patel, Rishi | | | 1701 | ENG | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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 |
| 1863 | 1930 | 3.50 | 5 | 0.61 | 40 | 24.40 | |
| | Voiculescu-Holvad, Stefan | | | 1636 | FRA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Ozturan, Cem | | | 1741 | TUR | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Rushbrooke, Remy | | | 1961 | ENG | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Keohane, Ben | | | 2015 | ENG | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Faulkner, David J | | | 1964 | ENG | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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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