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Individual Calculations October 2021 |
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| Pollack, Oscar Total change: -14.20 | |   |
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| 26th 4NCL Congress Open | Leamington Spa | ENG | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 2027 | 2.50 | 4 | -0.71 | 20 | -14.20 | |
|  Prince, Alan R | | | 1695 | SCO | 0.00 | 1 | -0.88 | 20 | -17.60 | |  Shearsby, Jude | | | 1762 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Alizada, Eldar A | | | 1922 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Weersing, Abigail R | | | 1704 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | |
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