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Individual Calculations September 2009 |
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| Zajtzev, Alexander Total change: -22.05 | |   |
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| Obninsk 2009 open | Obninsk | RUS | 2009-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2018 | 0.50 | 4 | -1.47 | 15 | -22.05 | |
|  Popelyshev, Igor V. | | | 2119 | RUS | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Sheremet, Anton | | | 1830 | BLR | 0.50 | 1 | -0.24 | 15 | -3.60 | |  Dzhangobegov, Vladimir | | | 2242 | RUS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Motorin, Alexander | | | 1907 | RUS | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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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