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Rapid:
Individual Calculations December 2021 |
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| Biela, Jan Total change: -13.80 | |   |
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| TURNIEJ NIEPODLEGLOSCI Memorial Szachowy im.Karola ZIELEZNIKA | Katowice | POL | 2021-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1137 | 0.50 | 2 | -0.02 | 20 | -0.40 | |
|  Oborska, Magda | | | 1475 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Polakiewicz, Blanka | | | 1212 | POL | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | Puchar Slaska Juniorow w Szachach Szybkich do lat 10 | Ustron | POL | 2021-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1096 | 1137 | 1.00 | 3 | -0.67 | 20 | -13.40 | |
| | Reterski, Wiktor | | | 1040 | POL | 0.00 | 1 | -0.63 | 20 | -12.60 | |  Slanina, Agnieszka | | | 1111 | POL | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Swiderski, Piotr | | | 1136 | POL | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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