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Individual Calculations May 2015 |
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| Orube Bona, Andoni Total change: 4.40 | |   |
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| Cto. de Gipuzkoa por Equipos Preferente 2015 | Donostia | ESP | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1814 | 1.50 | 2 | 0.07 | 20 | 1.40 | |
|  Parron Luceno, David | | | 1540 | ESP | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Markina Amutxastegi, Fernando | | | 1741 | ESP | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | 38 Open Internacional de San Sebastian | San Sebastian | ESP | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1814 | 4.50 | 9 | 0.15 | 20 | 3.00 | |
| | Oratovsky, Michael | g | | 2214 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Delbos, Jean-Louis | | | 1647 | FRA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Yaniz Lana, Francisco Javier | | | 1599 | ESP | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Sacristan Latorre, Alberto | | | 2021 | ESP | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Manterola Ubillos, Josu | | | 1552 | ESP | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Jimenez Almeida, Luis David | | | 2214 * | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Martikorena Endara, Patxi | | | 1682 | ESP | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Arri Martinez, Iker | | | 1662 | ESP | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Fernandez Zubitur, Jokin | | | 1991 | ESP | 0.50 | 1 | 0.23 | 20 | 4.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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