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Rapid:
Individual Calculations December 2021 |
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| Zareba, Piotr Total change: 78.60 | |   |
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| Druzynowe Mistrzostwa ZP Juniorow Rapid 2021 | Szczecin | POL | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1526 | 5.50 | 7 | -0.22 | 20 | -4.40 | |
|  Jodlowski, Robert | | | 1209 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Lonski, Aleksander | | | 1535 | POL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Ziobrowska, Maja | | | 1428 | POL | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Bury, Marcel | | | 1204 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kowalik, Wojciech | | | 1081 | POL | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Cirin, Wojciech | | | 1010 | POL | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Byszewska, Hanna | | | 1025 | POL | 1.00 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | Turniej Szachowy XXIII GRYFINO OPEN 2021 | Gryfino | POL | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1526 | 3.00 | 6 | 1.49 | 20 | 29.80 | |
| | Sokolowski, Ryszard | | | 1986 | POL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Swiderski, Radoslaw | | | 2049 | POL | 1.00 | 1 | 0.97 | 20 | 19.40 | | | Strzalkowski, Damian | | | 1809 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Derejczyk, Mateusz | | | 1560 | POL | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Kowalczyk, Michal | | | 1603 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Gniazdowski, Marian | | | 1577 | POL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | XXXII Memorial Szachowy Jozefa Kochana | Koszalin | POL | 2021-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 1526 | 5.00 | 8 | 2.66 | 20 | 53.20 | |
| | Bochniak, Franciszek | | | 1662 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Sowinski, Ryszard | | | 1272 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Jaroszewicz, Dawid | | | 1694 | POL | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Szczepinski, Michal | | | 2261 | POL | 1.00 | 1 | 0.99 | 20 | 19.80 | | | Sokolowski, Ryszard | | | 1986 | POL | 1.00 | 1 | 0.95 | 20 | 19.00 | | | Luczak, Filip | f | | 2037 | POL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Leszcz, Mateusz | | | 1308 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Korbal, Arkadiusz | | | 1988 | POL | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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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