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Individual Calculations February 2016 |
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| Murray, David B. Total change: 21.00 | |   |
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| Armstrong Cup 2015/2016 Rounds 5 and 6 | Various | IRL | 2015-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 2149 | 2.00 | 2 | 0.40 | 20 | 8.00 | |
|  Cooney, Brendan | | | 1749 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Duffy, Seamus | | | 2014 | IRL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | * 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) | | | | Gonzaga Chess Classic Masters | Dublin | IRL | 2016-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2160 | 4.00 | 5 | 0.65 | 20 | 13.00 | |
|  Nikrow, Shahram | | | 1835 | IRL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Mulligan, Scott | | | 1919 | IRL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Li, Henry | | | 1882 | IRL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Moran, Stephen | | | 2128 | IRL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | O`donnell, Conor | f | | 2302 | IRL | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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