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Individual Calculations September 2010 |
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| Orr, Mark Total change: 17.25 | |   |
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| Irish Chess Championships | Dublin | IRL | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2247 | 5.50 | 9 | 1.15 | 15 | 17.25 | |
|  Porter, Liam | | | 1976 | IRL | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Brady, Stephen | f | | 2376 | IRL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Daly, Colm | f | | 2322 | IRL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Griffiths, Ryan-Rhys | | | 2249 | IRL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Delaney, John | f | | 2210 | IRL | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Lopez, Alex | f | | 2367 | IRL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Redmond, John P. | | | 2205 | IRL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Rodriguez Lopez, Rafael | m | | 2312 | ESP | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Short, Philip | f | | 2296 | IRL | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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