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Individual Calculations July 2023 |
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| Ibanez Gijon, Ruben Total change: -17.80 | |   |
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| II International Amateur Chess Open U1800 Colonia Sant Jordi | Ses Salines (Baleares) | ESP | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1449 | 1.00 | 4 | -0.89 | 20 | -17.80 | |
|  Perez Gandesa, Jose Antonio | | | 1788 | ESP | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Tamayo Zafra, Hernan | | | 1297 | ESP | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Hidalgo Maireles, Juan Carlos | | | 1661 | ESP | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Marin Ferragut, Lluc | | | 1162 | ESP | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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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