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Individual Calculations May 2015 |
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| Grabarczyk, Miroslaw Total change: 3.70 | |   |
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| Polish Chess Championship 2015 | Poznan | POL | 2015-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2461 | 2433 | 4.00 | 9 | -0.17 | 10 | -1.70 | |
|  Olszewski, Michal | g | | 2567 | POL | 0.00 | 1 | -0.32 | 10 | -3.20 | |  Przybylski, Wojciech | f | | 2378 | POL | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Duda, Jan-Krzysztof | g | | 2597 | POL | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Skawinski, Arkadiusz | f | | 2388 | POL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Matuszewski, Michal | m | | 2463 | POL | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Maksimenko, Andrei | g | | 2495 | UKR | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Krysztofiak, Marcin | m | | 2410 | POL | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Weichhold, Pawel | m | | 2404 | POL | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Kolosowski, Mateusz | m | | 2443 | POL | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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) | | | | 2. Bundesliga Sued 2014/15 round 9 | Hamburg | GER | 2015-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2311 | 2433 | 0.50 | 1 | -0.17 | 10 | -1.70 | |
| | Trachtmann, Mark | f | | 2311 | GER | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | Open Krynica 2015 - Ogolnopolski Integracyjny Turniej Szachowy Osob Niepelnosprawnych | Krynica Zdroj | POL | 2015-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2433 | 7.50 | 9 | 0.71 | 10 | 7.10 | |
| | Lech, Piotr | | | 2033 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Domanski, Lukasz | | | 2033 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gasik, Jadwiga | | | 2033 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bakalarz, Leszek | f | | 2148 | POL | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Jarmula, Lukasz | f | | 2386 | POL | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Jelonek, Michal | | | 2033 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Shishkin, Vadim | g | | 2506 | UKR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Cyborowski, Lukasz | g | | 2522 | POL | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Bobrowski, Piotr | | | 2033 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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