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Individual Calculations May 2019 |
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| Tarbuck, David Total change: -20.00 | |   |
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| English Seniors Championship Over 65 2019 | Solihull | ENG | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 2001 | 2.50 | 5 | -1.00 | 20 | -20.00 | |
|  Hughes, Peter | | | 1820 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Price, Andrew | | | 1767 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Slinger, Aj (tony) | | | 1859 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Charnley, Bernard J | | | 1873 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Calvert, D Ian | | | 1921 | 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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