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Individual Calculations July 2010 |
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| Serpik, Ilia Total change: -3.60 | |   |
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| 2010 National Open | Las Vegas, Nevada | USA | 2010-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2210 | 2.00 | 5 | -0.24 | 15 | -3.60 | |
|  Finegold, Benjamin | g | | 2539 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Tanner, Robert B | | | 2082 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kogan, Arthur | g | | 2525 | ISR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Lin, Dachey | | | 1810 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Abrahamyan, Tatev | | wf | 2290 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | * 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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