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Blitz:
Individual Calculations January 2018 |
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| Diaz Charpentier, Kristel Meliss Total change: 10.80 | |   |
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| I Torneo Blitz Federacion Diciembre 2017 | San Jose | CRC | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1625 | 1.00 | 2 | 0.54 | 20 | 10.80 | |
|  Calvo Gutierrez, Luis Guillermo | | | 1885 | CRC | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Rivera Gonzalez, Jose Alexis | | | 1789 | CRC | 1.00 | 1 | 0.72 | 20 | 14.40 | |
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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