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Individual Calculations September 2009 |
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| Boychuk, Evgeny Total change: 2.50 | |   |
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| Summer on Petrograd Side 2009 open | St.Petersburg | RUS | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1772 | 1.50 | 7 | 0.20 | 25 | 5.00 | |
|  Kulek, Yuri | | | 2172 * | RUS | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Lisitsin, Boris | | | 1999 | RUS | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Alekseenko, Kirill | f | | 2112 | RUS | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Ginburg, Vladilen | | | 2012 | RUS | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Salov, Vitaly V. | | | 2141 | RUS | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Frakin, Nikolay | | | 1965 | RUS | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Kalashnikov, Pyotr | | | 1893 | RUS | 0.50 | 1 | 0.16 | 25 | 4.00 | | | * 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) | | | | Petrovskaya Ladya 2009 open | Peterhof | RUS | 2009-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1772 | 1.50 | 7 | -0.10 | 25 | -2.50 | |
| | Kazakevich, Grigoriy | | | 2148 | RUS | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Salman, Pavel | | | 1989 | RUS | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Sarkisov, Vladimir | | | 1939 | RUS | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Shishkin, Vadim | | | 1891 | RUS | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Zhilchikov, Nikolai | | | 2027 | RUS | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Rubtsov, Aleksandr | | | 1990 | RUS | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Emdin, Mark | | | 1956 | RUS | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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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