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Individual Calculations May 2018 |
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| Izaguirre Altuna, Alberto Total change: 16.80 | |   |
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| XLI Open Internacional Ciudad de San Sebastian 2018 | Donostia | ESP | 2018-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1585 | 2.00 | 2 | 0.99 | 20 | 19.80 | |
|  Miralles Larraza, Faustino | | | 1389 | ESP | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Arocena Uria, Jaime | | | 1771 | ESP | 1.00 | 1 | 0.74 | 20 | 14.80 | |
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) | | | | Liga Gipuzkoana de Preferente 2018 Ronda 11 | Guipuzkoa | ESP | 2018-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1579 | 0.00 | 1 | -0.15 | 20 | -3.00 | |
| | Larranaga Aldalur, Jose Joaquin | | | 1880 | ESP | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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