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Individual Calculations September 2021 |
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| Poltorak, Sebastian Total change: 59.28 | |   |
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| V Miedzynarodowy Memorial Ireny Warakomskiej - Open A | Suwalki | POL | 2021-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2233 | 4.00 | 9 | -0.19 | 38 | -7.22 | |
|  Jarocka, Liwia | f | wf | 1984 | POL | 1.00 | 1 | 0.19 | 38 | 7.22 | |  Nurkiewicz, Maciej | | | 2342 | POL | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Szpar, Milosz | f | | 2392 | POL | 0.50 | 1 | 0.21 | 38 | 7.98 | | | Zylka, Stanislaw | f | | 2362 | POL | 0.00 | 1 | -0.33 | 38 | -12.54 | | | Kucza, Karol | f | | 2337 | POL | 1.00 | 1 | 0.64 | 38 | 24.32 | | | Socko, Monika | g | wg | 2393 | POL | 0.00 | 1 | -0.29 | 38 | -11.02 | | | Krawczyk, Flawian | | | 1984 | POL | 0.00 | 1 | -0.81 | 38 | -30.78 | | | Liberadzki, Slawomir | | | 2022 | POL | 1.00 | 1 | 0.23 | 38 | 8.74 | | | Leniart, Arkadiusz | g | | 2499 | POL | 0.00 | 1 | -0.18 | 38 | -6.84 | |
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) | | | | XXVIII Festiwal Szachowy w Poznaniu - OPEN A | Poznan | POL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2205 | 7.00 | 9 | 1.75 | 38 | 66.50 | |
| | Nicikowski, Jozef | | | 1805 * | POL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Weglarz, Janusz | | | 1805 * | POL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Zgarda, Jakub | | | 1805 * | POL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Zakrzewski, Marek | f | | 2295 | POL | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Chojnacki, Krzysztof | m | | 2381 | POL | 0.50 | 1 | 0.23 | 38 | 8.74 | | | Maj, Pawel | | | 2113 | POL | 0.50 | 1 | -0.13 | 38 | -4.94 | | | Nowak, Mikolaj | | | 2313 | POL | 1.00 | 1 | 0.65 | 38 | 24.70 | | | Niekras, Dawid | f | | 2289 | POL | 0.50 | 1 | 0.12 | 38 | 4.56 | | | Jaskolka, Tomasz | c | | 2220 | POL | 0.50 | 1 | 0.02 | 38 | 0.76 | | | * 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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