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Rapid:
Individual Calculations January 2015 |
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| Lach, Piotr Total change: 42.80 | |   |
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| European Rapid Chess Championship 2014 | Wroclaw | POL | 2014-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2128 | 6.50 | 11 | 2.14 | 20 | 42.80 | |
|  Skurniak, Szymon | | | 1728 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kovalev, Vladislav | g | | 2528 * | BLR | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Petrosyan, Tigran S. | m | | 2429 | ARM | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Salgado Lopez, Ivan | g | | 2528 * | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Butkiewicz, Lukasz | m | | 2366 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Putka, Verners | | | 2391 | LAT | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Wieczorek, Oskar | m | | 2368 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Sieciechowicz, Marcin | m | | 2406 | POL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Psyk, Radoslaw | | | 1920 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Marchewka, Jakub | | | 1920 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Michalski, Filip | | | 1839 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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) | | |
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