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Rapid:
Individual Calculations September 2017 |
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| Leszcz, Mateusz Total change: 14.20 | |   |
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| Polish Rapid Youth Chess Championship 2017 - B10 | Wroclaw | POL | 2017-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1005 | 1.50 | 6 | 0.27 | 20 | 5.40 | |
|  Iwaszkiewicz, Grzegorz | | | 1308 | POL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Janusiewicz, Michal | | | 1181 | POL | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Ptaszynski, Szymon | | | 1137 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Podlewski, Szymon | | | 1161 | POL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Kozlowski, Bartosz | | | 1364 | POL | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Skrzypinski, Jan | | | 1351 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | XXVIII Memorial Szachowy Jozefa Kochana | Koszalin | POL | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1005 | 1.00 | 4 | 0.44 | 20 | 8.80 | |
| | Januszkiewicz, Wojciech | | | 1405 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Borkowski, Helmut | | | 1374 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Zadkowski, Maciej | | | 1284 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Malaczek, Franciszek | | | 1221 | POL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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