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Individual Calculations July 2018 |
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| Petrosian, Tigran L Total change: -6.00 | |   |
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| 2018 National Open | Las Vegas, Nevada | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2576 | 2613 | 0.50 | 2 | -0.60 | 10 | -6.00 | |
|  Swiercz, Dariusz | g | | 2657 | POL | 0.00 | 1 | -0.44 | 10 | -4.40 | |  Gorovets, Andrey | g | | 2495 | BLR | 0.50 | 1 | -0.16 | 10 | -1.60 | |
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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