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Individual Calculations September 2010 |
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| Butler, Kevin C. Total change: -1.80 | |   |
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| Phibsboro Chess Club Senior Club Championship | Dublin | IRL | 2010-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2050 | 1.50 | 5 | -0.60 | 15 | -9.00 | |
|  Gonzalez Gonzalez, Alfonso | | | 2036 | ESP | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Salter, David | | | 1892 | IRL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Brady, Stephen | f | | 2383 | IRL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | O`Donovan, Richard | | | 2156 | IRL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Sierra Canosa, Francisco | | | 2130 | ESP | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | Irish Chess Championships | Dublin | IRL | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2054 | 4.50 | 9 | 0.48 | 15 | 7.20 | |
| | Fitzsimons, David | | | 2263 | IRL | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Duffy, Seamus | | | 1996 | IRL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Delaney, John | f | | 2210 | IRL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Loughran, John | | | 1928 | IRL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Boyle, Bernard | | | 1943 | IRL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Wallace, Paul A. | | | 2242 | IRL | 0.50 | 1 | 0.24 | 15 | 3.60 | | | O`Connell, Gerard | | | 2136 | IRL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Murray, David B. | | | 2021 | IRL | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Fox, Anthony | | | 2129 | IRL | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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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