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Individual Calculations April 2013 |
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| Puzyrevsky, Boris M. Total change: 0.60 | |   |
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| The championship of the North-West among veterans | St. Petersburg | RUS | 2012-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 2022 | 2.50 | 7 | -0.55 | 15 | -8.25 | |
|  Chembaev, Evgeny | | | 2202 | RUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Mishuchkov, Nikolai M. | m | | 2394 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Nikitin, Vladimir | | | 2070 | RUS | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Polevoi, Vladimir | | | 2065 | RUS | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Bratus, Petr P | | | 2143 | RUS | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Pankina, Larisa | | | 1958 | RUS | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Bezobrazov, Lev | | | 1676 | RUS | 0.00 | 1 | -0.89 | 15 | -13.35 | |
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) | | | | North-West chess Championship for men | St. Petersburg | RUS | 2013-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1987 | 3.00 | 8 | 0.59 | 15 | 8.85 | |
| | Isakov, Andrey | | | 2278 | RUS | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Toivonen, Alexander V. | f | | 2287 | RUS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Semenenko, Sergey | | | 2154 | RUS | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Gogolev, Artem | | | 2092 | RUS | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Neverov, Ivan | | | 2078 | RUS | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Kordumov, Sergei | | | 2080 | RUS | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Balakin, Vadim | | | 2223 | RUS | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Trefilov, Maksim | | | 1971 | RUS | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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