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Individual Calculations September 2010 |
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| Brady, Stephen Total change: -25.80 | |   |
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| Phibsboro Chess Club Senior Club Championship | Dublin | IRL | 2010-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2383 | 4.00 | 5 | -0.29 | 15 | -4.35 | |
|  O`Donovan, Richard | | | 2156 | IRL | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Sierra Canosa, Francisco | | | 2130 | ESP | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Butler, Kevin C. | | | 2050 | IRL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Gonzalez Gonzalez, Alfonso | | | 2036 | ESP | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Salter, David | | | 1983 * | IRL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | Irish Chess Championships | Dublin | IRL | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2376 | 5.00 | 9 | -1.43 | 15 | -21.45 | |
| | Cafolla, Peter | | | 2090 | IRL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Orr, Mark | m | | 2247 | IRL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Duffy, Seamus | | | 1996 | IRL | 1.00 | 1 | 0.09 | 15 | 1.35 | | | O`Connell, Gerard | | | 2136 | IRL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Rodriguez Lopez, Rafael | m | | 2312 | ESP | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Quinn, Ciaran | | | 2104 | IRL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Short, Philip | f | | 2296 | IRL | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Griffiths, Ryan-Rhys | | | 2249 | IRL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Lopez, Alex | f | | 2367 | IRL | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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