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Individual Calculations September 2009 |
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| Roggeveen, Pieter Total change: 31.50 | |   |
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| XVIII Miêdzynarodowy Festiwal Szachowy - Open A | Poznan | POL | 2009-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2102 | 5.00 | 9 | 2.10 | 15 | 31.50 | |
|  Szelag, Marcin | m | | 2466 | POL | 1.00 | 1 | 0.90 | 15 | 13.50 | |  Sieciechowicz, Marcin | | | 2390 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Szuminski, Marek | | | 2094 | POL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Maciejewski, Miroslaw | f | | 2296 | POL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Chojnacki, Krzysztof | m | | 2404 | POL | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Scibior, Adam | | | 2179 | POL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Bernat, Marcin | | | 2211 | POL | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Kozlowski, Tomasz | | | 2007 | POL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Sroczynski, Maciej | | | 2202 | POL | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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) | | |
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