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Individual Calculations October 2021 |
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| Ruiz De Ona Cortes, Jose Ignacio Total change: -5.00 | |   |
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| XXXI Open Internacional de Gros 2021 | Donostia | ESP | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 1515 | 0.00 | 2 | -0.25 | 20 | -5.00 | |
|  Roque Sola, Andrea | | wc | 1910 | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Esturo Loiola, Jon | | | 1791 | ESP | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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