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Individual Calculations January 2018 |
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| O`gorman, Brian Total change: -4.20 | |   |
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| Heidenfeld Trophy 2017-18 Rounds 3-4 | Various | IRL | 2017-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1586 | 0.50 | 2 | -0.21 | 20 | -4.20 | |
|  O`brien, John P. | | | 1846 | IRL | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Vesely, Jozef | | | 1563 | SVK | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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