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Individual Calculations April 2009 |
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| Piskun, Alexey Total change: 28.50 | |   |
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| 23. T.Petrosian Memorial 2009 open | Moscow | RUS | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2095 | 6.00 | 9 | 1.84 | 15 | 27.60 | |
|  Kostoglotov, Dmitry | | | 1827 | RUS | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Stankovic, Milos | | | 2311 | SRB | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Akopova, Anna | | | 1939 | RUS | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Zaitsev, Andrey | | | 1961 | RUS | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kukhmazov, Arsen | | | 1871 | RUS | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Pustovoitova, Daria | | | 2314 | RUS | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Omariev, Maksim | | | 2248 | RUS | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Hovhannisyan, Robert | | | 2402 | ARM | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Repina, Varvara | | wf | 2258 | RUS | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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) | | | | Moscow open 2009 B | Moscow | RUS | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2095 | 4.00 | 6 | 0.06 | 15 | 0.90 | |
| | Stroganov, Andrey | | | 1915 | RUS | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Shubin, Gennady | | | 1913 | RUS | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Glushkov, Lev | | | 1897 | RUS | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Kapov, Adam | | | 1927 | RUS | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Safoev, Zarif | | | 1959 | TJK | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ryzhov, Vladimir | | | 2246 | RUS | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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