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Individual Calculations September 2021 |
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| Marek, Grzegorz Total change: 54.80 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN E | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1295 | 3.50 | 7 | 1.37 | 40 | 54.80 | |
|  Jaroszuk, Marcin | | | 1550 | POL | 0.50 | 1 | 0.31 | 40 | 12.40 | |  Perek, Oskar | | | 1567 | POL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Lewandowski, Bartosz | | | 1087 | POL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Maslanka, Piotr | | | 1513 | POL | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Kuska, Bartosz | | | 1425 | POL | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Wiatrowski, Damian | | | 1551 | POL | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Szuber, Dawid | | | 1473 | POL | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | |
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