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Individual Calculations April 2009 |
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| Sidorenko, Ilya Total change: -12.75 | |   |
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| Israel U20 League 2009 | Various | ISR | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2370 | 5.50 | 6 | 0.44 | 15 | 6.60 | |
|  Rahmilevitz, Anton | | | 2038 | ISR | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Porat, Hen | | | 2020 | ISR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Boruchovsky, Avital | | | 2079 | ISR | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Svoysky, Daniel | | | 2021 | ISR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Zak, Uri | | | 2205 | ISR | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Givon, Asaf | | | 2101 | ISR | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | Ashdod Festival 2008 | Ashdod | ISR | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2370 | 2.00 | 4 | -1.08 | 15 | -16.20 | |
| | Ettinger, Amir | | | 2036 | ISR | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Zak, Uri | | | 2205 | ISR | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Mordechai, Hanan | | | 2149 | ISR | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Bondar, Alexandr | | | 2224 | RUS | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | 10th individual European chess championship | Budva | MNE | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2379 | 2370 | 5.00 | 11 | -0.21 | 15 | -3.15 | |
| | Sedlak, Nikola | g | | 2592 | SRB | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Draskovic, Luka | | | 2020 | MNE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Sofronie, Iulian | m | | 2471 | ROU | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Pecurica, Milos | | | 2020 | MNE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Stanojoski, Zvonko | g | | 2493 | MKD | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Stojanovic, Dalibor | m | | 2469 | BIH | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kalezic, Blazo | m | | 2460 | MNE | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Haznedaroglu, Kivanc | m | | 2451 | TUR | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Papadopoulos, Ioannis K | m | | 2455 | GRE | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Erdogdu, Mert | m | | 2459 | TUR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Brajovic, Radovan | f | | 2275 | MNE | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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