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Individual Calculations September 2023 |
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| Grzelak, Piotr Total change: -42.80 | |   |
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| 59. Miedzynardowy Festiwal Szachowy im. Akiby Rubinsteina - Open D | Polanica-Zdroj | POL | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1579 | 4.50 | 9 | -2.14 | 20 | -42.80 | |
|  Wojtycki, Jacek | | | 1313 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Wieczorek, Maja | | | 1337 | POL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Soszka, Szymon | | | 1421 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Szalbierz, Piotr | | | 1407 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Klisz, Piotr | | | 1440 | SVK | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Juszczak, Milosz | | | 1356 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Semkiw, Orest | | | 1463 | POL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Pawelczyk, Jan | | | 1389 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Karalchuk, Aliaksei | | | 1430 | POL | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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