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Individual Calculations September 2018 |
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| Collins, Sam Total change: -12.80 | |   |
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| The Irish Championships 2018 | Dublin | IRL | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2447 | 5.50 | 9 | -1.28 | 10 | -12.80 | |
|  Kennedy, John | | | 2077 | IRL | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Wallace, Paul | | | 2202 | IRL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Lopez, Alex | m | | 2411 | IRL | 0.00 | 1 | -0.55 | 10 | -5.50 | | | Carroll, Peter | | | 2047 * | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Short, Philip | f | | 2333 | IRL | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Murray, David | | | 2149 | IRL | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Murphy, Conor | f | | 2336 | IRL | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Freeman, Gordon | | | 2205 | IRL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | O`donnell, Conor | f | | 2336 | IRL | 0.50 | 1 | -0.15 | 10 | -1.50 | | | * 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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