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Individual Calculations January 2009 |
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| Wieczorek, Oskar Total change: -1.95 | |   |
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| European Youth Chess Championship 2008 - Boys U14 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2232 | 6.50 | 9 | 0.03 | 15 | 0.45 | |
|  Ostovic, Matija | | | 1976 | CRO | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Bulatovic, Nikola | | | 2089 | SRB | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Grigoryan, Karen H | c | | 2097 | ARM | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Pintor Munoz, Antonio | | | 2076 | ESP | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Stoyanov, Ivaylo | | | 1978 | BUL | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Kraus, Tomas | | | 2024 | CZE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Mammadov, Zaur Fazahir Oglu | | | 2114 | AZE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | De Filomeno, Simone | | | 2102 | ITA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Kotainy, Jens | | | 2112 | GER | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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) | | | | 24th Voivoda Cup | Legnica | POL | 2008-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2475 | 2267 | 2.00 | 9 | -0.16 | 15 | -2.40 | |
| | Dobrowolski, Aleksander | | | 2335 | POL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Olszewski, Michal | m | | 2499 | POL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Urban, Klaudiusz | m | | 2473 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Sergeev, Vladimir | g | | 2519 | UKR | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Arutinian, David | g | | 2584 | GEO | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Talla, Vladimir | m | | 2394 | CZE | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Sulypa, Alexandre | g | | 2484 | UKR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Piorun, Kacper | m | | 2472 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Grabarczyk, Miroslaw | g | | 2516 | POL | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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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