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Individual Calculations July 2009 |
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| Peteiro Osta, Luis Angel Total change: -17.75 | |   |
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| Campeonato de Guipuzcoa por Equipos Preferente | Donostia San Sebastian | ESP | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1958 | 3.00 | 6 | -0.71 | 25 | -17.75 | |
|  Arrieta Gonzalez, Arkaitz | | | 1959 | ESP | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Franco Arroyo, Javier | | | 1755 | ESP | 0.00 | 1 | -0.76 | 25 | -19.00 | | | Mujika Lizaso, Xabier | | | 1905 | ESP | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Etxagibel Larranaga, Asier | | | 1909 | ESP | 1.00 | 1 | 0.43 | 25 | 10.75 | |  Eziolaza Etxebarria, Ibon | | | 1879 | ESP | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Fernandez Zubitur, Jokin | | | 1811 | ESP | 0.50 | 1 | -0.20 | 25 | -5.00 | |
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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