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Rapid:
Individual Calculations September 2017 |
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| Buba, Piotr Total change: -23.60 | |   |
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| Polish Rapid Youth Chess Championship 2017 - B12 | Wroclaw | POL | 2017-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1192 | 1082 | 2.00 | 9 | -1.18 | 20 | -23.60 | |
|  Kitewski, Bartosz | | | 1307 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Sloniec, Adrian | | | 1232 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Olcha, Michal | | | 1196 | POL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Owczarzak, Maciej | | | 1245 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Rosinski, Filip | | | 1156 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Walkowski, Tobiasz | | | 1131 | POL | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Osiakow, Sebastian | | | 1174 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Zyhalko, Konrad | | | 1158 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Zychlewicz, Tomasz | | | 1128 | POL | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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