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Individual Calculations December 2019 |
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| Abrahams, Daniel Total change: -8.80 | |   |
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| Preston Chess Congress 2019 | Preston | ENG | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2185 | 2.00 | 4 | -0.44 | 20 | -8.80 | |
|  Peacock, Malcolm R | | | 2037 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Newton, Robert A | | | 1950 | ENG | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Littlewood, Paul E | m | | 2347 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Phillips, David A | | | 2068 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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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