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Individual Calculations April 2009 |
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| Potkin, Vladimir Total change: 7.90 | |   |
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| Aeroflot open A1 | Moscow | RUS | 2009-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2623 | 2613 | 6.00 | 9 | 1.61 | 10 | 16.10 | |
|  Kosintseva, Tatiana | m | wg | 2497 | RUS | 0.50 | 1 | -0.16 | 10 | -1.60 | |  Ragger, Markus | g | | 2540 | AUT | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Bacrot, Etienne | g | | 2722 | FRA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Vitiugov, Nikita | g | | 2687 | RUS | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Bareev, Evgeny | g | | 2645 | RUS | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Grachev, Boris | g | | 2655 | RUS | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Sargissian, Gabriel | g | | 2677 | ARM | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Ehlvest, Jaan | g | | 2595 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Zhigalko, Sergei | g | | 2587 | BLR | 0.50 | 1 | -0.04 | 10 | -0.40 | |
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) | | | | 10th individual European chess championship | Budva | MNE | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2489 | 2613 | 6.50 | 11 | -0.82 | 10 | -8.20 | |
| | Atakisi, Umut | m | | 2393 | TUR | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Nikac, Predrag | | | 2395 | MNE | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Wells, Peter K | g | | 2513 | ENG | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Chirila, Ioan-Cristian | m | | 2485 | ROU | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Chibukhchian, Artur | m | | 2444 | ARM | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Stanojoski, Zvonko | g | | 2493 | MKD | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Simacek, Pavel | m | | 2493 | CZE | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Savic, Miodrag R | g | | 2525 | SRB | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Prohaszka, Peter | m | | 2512 | HUN | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Safarli, Eltaj | g | | 2564 | AZE | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Minasian, Artashes | g | | 2557 | ARM | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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) | | |
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