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Individual Calculations September 2023 |
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| Grzelak, Marcin Total change: -70.40 | |   |
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| Poznanski Festiwal Szachowy | Poznan | POL | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1763 | 5.50 | 8 | -1.16 | 20 | -23.20 | |
|  Martynow, Jacek | | | 1363 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Huchwajda, Grzegorz | | | 1374 | POL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Broszkiewicz, Stanislaw | | | 1392 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Krynicki, Filip | | | 1426 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Skrzypczak, Jan | | | 1525 | POL | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Adamski, Ksawery | | | 1341 | POL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Nowicki, Bartosz | | | 1682 | POL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Zenker, Bernard | | | 1605 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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) | | | | XXX Jubileuszowy Festiwal Szachowy w Poznaniu | Poznan | POL | 2023-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1763 | 4.00 | 8 | -2.36 | 20 | -47.20 | |
| | Purczynski, Andrzej | | | 1363 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tadych, Szymon | | | 1360 | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Kasperski, Jakub | | | 1403 | POL | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Huchwajda, Grzegorz | | | 1338 | POL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Sniedziewski, Emil | | | 1376 | POL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nowak, Feliks | | | 1535 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Skrzypinski, Jan | | | 2030 | POL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Michalska, Lena | | | 1507 | POL | 0.00 | 1 | -0.81 | 20 | -16.20 | | | * 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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