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Rapid:
Individual Calculations December 2021 |
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| Witczak, Borys Total change: 15.20 | |   |
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| Puchar Slaska Juniorow w Szachach Szybkich do lat 10 | Ustron | POL | 2021-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1350 | 5.00 | 6 | 0.76 | 20 | 15.20 | |
|  Brzezina, Piotr | | | 1336 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | |  Golis, Wiktor | | | 1354 | POL | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Slanina, Agnieszka | | | 1111 | POL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Kisielinski, Stanislaw | | | 1173 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Smolinski, Wojciech | | | 1065 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Tyrna, Stanislaw | | | 1047 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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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