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Individual Calculations July 2009 |
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| Terochin, Piotr Total change: -17.40 | |   |
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| POL Boys Championship U-12 | Leba | POL | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1710 | 1.50 | 4 | -1.16 | 15 | -17.40 | |
|  Matuszewski, Maciej | | | 1576 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Piotrowski, Przemyslaw | | | 1550 | POL | 0.00 | 1 | -0.71 | 15 | -10.65 | |  Szymanowski, Mateusz | | | 1556 | POL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Bronsztejn, Wojciech | | | 1668 | POL | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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