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Individual Calculations November 2014 |
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| Bobras, Piotr Total change: -5.40 | |   |
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| Polish Team Chess Championship Extraliga 2014 - rounds 7-9 | Katowice | POL | 2014-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2535 | 2.00 | 3 | 0.00 | 10 | 0.00 | |
|  Olszewski, Michal | g | | 2549 | POL | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Mulet, Piotr | f | | 2227 | POL | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Shkapenko, Pavel | m | | 2420 | RUS | 0.50 | 1 | -0.16 | 10 | -1.60 | |
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) | | | | 1. Bundesliga 2014/15 rounds 1 - 2 | Hamburg | GER | 2014-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2520 | 2535 | 0.50 | 2 | -0.54 | 10 | -5.40 | |
| | Siebrecht, Sebastian | g | | 2463 | GER | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Hera, Imre Jr. | g | | 2576 | HUN | 0.00 | 1 | -0.44 | 10 | -4.40 | |
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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