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Individual Calculations December 2019 |
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| Platonovs, Nikolajs Total change: -33.20 | |   |
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| ISTRA-A Chess Cup for players with ELO until 1600 | Riga | LAT | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1319 | 1284 | 1.00 | 4 | -0.83 | 40 | -33.20 | |
|  Freibergs, Andrejs | | | 1441 | LAT | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Spiridovskis, Rafaels | | | 1505 | LAT | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Sharakov, Petr | | | 1180 | RUS | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Tolmacevs, Romans | | | 1151 | LAT | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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