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Individual Calculations September 2011 |
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| Kowalski, Roman Total change: -18.75 | |   |
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| Miedzynarodowy Festiwal Szachowy - Mieleñska Perla - Open B | Lazy | POL | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1593 | 0.50 | 3 | 0.01 | 15 | 0.15 | |
|  Mazalon, Mateusz | | | 1863 | POL | 0.50 | 1 | 0.33 | 15 | 4.95 | |  Ciechonski, Piotr | | | 1888 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Ufimtsev, Egor | | | 1863 | RUS | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | XVIII Miedzynarodowy Turniej Szachowy w Kowalewie Pomorskim - B | Kowalewo Pomorskie | POL | 2011-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1593 | 1.00 | 5 | -1.26 | 15 | -18.90 | |
| | Mazalon, Mateusz | | | 1863 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Jasnikowska, Daria | | | 1755 | POL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Zwara, Szymon | | | 1681 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Humin, Julia | | | 1442 | POL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Wicikowska, Agata | | | 1428 | POL | 0.00 | 1 | -0.72 | 15 | -10.80 | |
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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