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Individual Calculations June 2017 |
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| Coffey, Patrick Total change: -15.20 | |   |
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| Ayr Congress Open 2017 | Ayr | SCO | 2017-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 2138 | 2.50 | 4 | -0.76 | 20 | -15.20 | |
|  Tsang, Sai Kong | | | 1942 | SCO | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Jennings, Richard | | | 1924 | SCO | 0.50 | 1 | -0.27 | 20 | -5.40 | | | McQuillan, Stephen G | | | 1738 * | SCO | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Irving, Neil | | | 1873 | SCO | 0.50 | 1 | -0.32 | 20 | -6.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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