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Individual Calculations April 2020 |
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| Halla, Jiri Total change: 1.20 | |   |
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| World Senior Team Chess Championship 2020 - Open 65 plus | Prague | CZE | 2020-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1744 | 1.50 | 5 | 0.06 | 20 | 1.20 | |
|  Aragones-Melhem, Georgy | | | 2106 | BEL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Miles, Richard | | | 1981 | WLS | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Bevan, Peter M | | | 1901 | WLS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Tejkal, Jiri | | | 1875 | CZE | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Virtanen, Esko | | | 1723 | FIN | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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